/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ========================================== */

:root {
    /* ---- Brand / Primary (Ant Design Blue) ---- */
    --primary-color: #1677ff;
    --primary-hover: #4096ff;
    --primary-active: #0958d9;
    --primary-light: #e6f4ff;
    --primary-light-hover: #bae0ff;
    --hover: #f0f4fa;


    --menu-item-hover: #f0f4fa;
    --menu-item-active: #e6f4ff;

    --header-row-cell-after-bottom: -0.5px;
    --header-col-after-right: -0.5px;

    --bg-tab: #eaeaef;
    --bg-tab-hover: #e0e1e8;
    --text-muted: #a0a2b0;

    /* ---- Semantic: Success / Warning / Error / Info ---- */
    --success-color: #52c41a;
    --success-hover: #73d13d;
    --success-active: #389e0d;
    --success-light: #f6ffed;

    --warning-color: #faad14;
    --warning-hover: #ffc53d;
    --warning-active: #d48806;
    --warning-light: #fffbe6;

    --error-color: #f5222d;
    --error-hover: #ff4d4f;
    --error-active: #cf1322;
    --error-light: #fff1f0;

    --info-color: #1677ff;
    --info-light: #e6f4ff;

    /* ---- Text ---- */
    --text-title: rgba(0, 0, 0, 0.88);
    --text-primary: rgba(0, 0, 0, 0.65);
    --text-secondary: rgba(0, 0, 0, 0.45);
    --text-disabled: rgba(0, 0, 0, 0.25);
    --text-inverse: #ffffff;
    --text-on-primary: #ffffff;

    /* ---- Background ---- */
    --bg-body: #f0f2f5;
    --bg-component: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-elevated: #ffffff;
    --bg-disabled: #f5f5f5;
    --bg-mask: rgba(0, 0, 0, 0.45);

    /* ---- Border ---- */
    --border-color: #d9d9d9;
    --border-secondary-light: #f0f0f0;
    --border-secondary: #D4D4D4;
    --border-disabled: #e0e0e0;
    --border-split: rgba(5, 5, 5, 0.06);

    /* ---- Scrollbars ---- */
    --scrollbar-track: #f0f0f0;
    --scrollbar-thumb: #c1c1c1;
    --scrollbar-thumb-hover: #999999;

    /* ---- Shadow (Ant Design style) ---- */
    --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px 0 rgba(0, 0, 0, 0.02);
    --shadow-2: 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
    --shadow-3: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);

    /* ---- Radius ---- */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* ---- Font ---- */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;

    /* ---- Controls ---- */
    --control-border-width: 1px;
    --focus-ring-width: 2px;
    --scrollbar-size: 6px;

    /* ---- Spacing ---- */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* ---- Transition ---- */
    --transition-fast: all 0.15s ease-in-out;
    --transition-base: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;

    /* ---- Z-index ladder (use these, never hardcode z-index) ---- */
    --z-base: 1;
    --z-cell-selected: 2;
    --z-sheet-object: 3;
    --z-resize-handle: 4;
    --z-frozen-header: 100;
    --z-corner: 100;
    --z-formula-bar: 110;
    --z-toolbar: 120;
    --z-app-header: 1000;
    --z-dropdown: 1100;
    --z-modal: 1300;
    --z-toast: 1500;

    /* ---- Layout (mirrors src/constants.rs) ---- */
    --cell-default-width: 80px;
    --cell-default-height: 28px;
    --cell-min-width: 20px;
    --cell-min-height: 16px;
    --row-header-width: 60px;
    --col-header-height: 28px;
    --sheet-tabs-height: 32px;
    --sheet-tabs-list-max-height: calc(var(--space-2xl) * 6);
    --toolbar-height: 40px;
    --app-header-height: 40px;
    --workbook-command-height: 36px;
    --workbook-command-button-height: 26px;
    --formula-bar-height: 32px;
    --formula-bar-action-size: 22px;
    --formula-bar-action-gap: 2px;
    --spreadsheet-height: 600px;
    --font-selector-trigger-min-width: 210px;
    --font-selector-trigger-height: 28px;
    --font-selector-dropdown-width: 320px;
    --font-selector-dropdown-max-height: 420px;
    --font-selector-icon-size: 16px;
    --filter-menu-control-height: 30px;
    --filter-menu-checkbox-size: 14px;
    --sort-dialog-width: 680px;
    --sort-dialog-max-height: 560px;
    --sort-dialog-level-min-width: 620px;
    --sort-dialog-control-height: 30px;
    --sort-dialog-icon-size: 28px;


    --sort-dialog-delete-icon-size: 16px;

    /* ---- Floating chart objects ---- */
    --chart-min-width: 160px;
    --chart-min-height: 120px;
    --chart-border-width: 1px;
    --chart-selected-border-width: 2px;
    --chart-handle-size: 8px;
    --chart-handle-offset: -5px;
    --chart-handle-border-width: 1px;
    --chart-selected-shadow: 0 0 0 1px var(--primary-light);

    /* ---- Frozen panes ---- */
    --frozen-separator-width: 3px;
    --frozen-background-color: #E8F4FF;

    /* 基础颜色变量 - Ant Design 蓝色主题 */
    --primary-bg: #E6F4FF;

    /* 功能色 */
    --success-bg: #F6FFED;
    --warning-bg: #FFFBE6;
    --error-bg: #FFF2F0;
    --info-bg: #E6F4FF;

    /* 中性色阶 */
    --text-tertiary: rgba(0, 0, 0, 0.45);
    --border-light: #F0F0F0;
    --background-base: #FFFFFF;
    --background-light: #FAFAFA;
    --background-gray: #F5F5F5;

    /* 圆角规范 */
    --radius-small: 2px;
    --radius-medium: 4px;
    --radius-large: 8px;
    --radius-circle: 50%;

    /* 阴影系统 */
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);

    /* 间距系统 - 基于 8px 网格 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

[data-theme="dark"] {
    --primary-color: #1668dc;
    --primary-hover: #3c89e8;
    --primary-active: #114ba3;
    --primary-light: #111a2c;
    --primary-light-hover: #15325b;
    --hover: #1f293a;

    --menu-item-hover: #1f293a;
    --menu-item-active: #15325b;

    --bg-tab: #262626;
    --bg-tab-hover: #303030;

    --success-color: #49aa19;
    --success-hover: #6abe39;
    --success-active: #367a15;
    --success-light: #162312;

    --warning-color: #d89614;
    --warning-hover: #e8b339;
    --warning-active: #aa7714;
    --warning-light: #2b2111;

    --error-color: #dc4446;
    --error-hover: #e8686a;
    --error-active: #ad393a;
    --error-light: #2c1618;

    --info-color: #1668dc;
    --info-light: #111a2c;

    --text-title: rgba(255, 255, 255, 0.85);
    --text-primary: rgba(255, 255, 255, 0.65);
    --text-secondary: rgba(255, 255, 255, 0.45);
    --text-disabled: rgba(255, 255, 255, 0.3);
    --text-inverse: rgba(0, 0, 0, 0.85);
    --text-on-primary: #ffffff;
    --text-muted: #8b8d9e;
    --bg-disabled: #262626;
    --border-disabled: #3a3a3a;

    --bg-body: #141414;
    --bg-component: #1f1f1f;
    --bg-secondary: #2a2a2a;
    --bg-elevated: #2c2c2c;
    --bg-mask: rgba(0, 0, 0, 0.65);

    --border-color: #434343;
    --border-secondary-light: #262626;
    --border-secondary: #303030;
    --border-split: rgba(253, 253, 253, 0.06);

    --scrollbar-track: #1b1b1b;
    --scrollbar-thumb: #4a4a4a;
    --scrollbar-thumb-hover: #5f5f5f;

    --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.25), 0 1px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px 0 rgba(0, 0, 0, 0.2);
    --shadow-2: 0 3px 6px -4px rgba(0, 0, 0, 0.4), 0 6px 16px 0 rgba(0, 0, 0, 0.3), 0 9px 28px 8px rgba(0, 0, 0, 0.25);
    --shadow-3: 0 6px 16px 0 rgba(0, 0, 0, 0.3), 0 3px 6px -4px rgba(0, 0, 0, 0.4), 0 9px 28px 8px rgba(0, 0, 0, 0.25);

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

    --frozen-background-color: #111a2c;
}

[data-theme="green"] {
    --primary-color: #1da57a;
    --primary-hover: #36cfc9;
    --primary-active: #08979c;
    --primary-light: #e6fffb;
    --primary-light-hover: #b5f5ec;
    --hover: #e8faf5;

    --menu-item-hover: #e8faf5;
    --menu-item-active: #d5f5eb;

    --bg-tab: #dcebe6;
    --bg-tab-hover: #cfe2dc;

    --success-color: #52c41a;
    --success-hover: #73d13d;
    --success-active: #389e0d;
    --success-light: #f6ffed;

    --warning-color: #faad14;
    --warning-hover: #ffc53d;
    --warning-active: #d48806;
    --warning-light: #fffbe6;

    --error-color: #f5222d;
    --error-hover: #ff4d4f;
    --error-active: #cf1322;
    --error-light: #fff1f0;

    --info-color: #1da57a;
    --info-light: #e6fffb;

    /* Explicit overrides — keep token set in sync with :root / dark */
    --text-title: rgba(0, 0, 0, 0.88);
    --text-primary: rgba(0, 0, 0, 0.65);
    --text-secondary: rgba(0, 0, 0, 0.45);
    --text-disabled: rgba(0, 0, 0, 0.25);
    --text-inverse: #ffffff;
    --text-on-primary: #ffffff;
    --text-muted: #7a8a85;

    --bg-body: #eef6f3;
    --bg-component: #ffffff;
    --bg-secondary: #e3eeea;
    --bg-elevated: #ffffff;
    --bg-disabled: #e3eeea;
    --bg-mask: rgba(0, 0, 0, 0.45);

    --border-color: #b9d3cb;
    --border-secondary-light: #d6e6e0;
    --border-secondary: #b9d3cb;
    --border-disabled: #c8d8d3;
    --border-split: rgba(29, 165, 122, 0.08);

    --scrollbar-track: #e3eeea;
    --scrollbar-thumb: #a8c3bb;
    --scrollbar-thumb-hover: #829f97;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

    --frozen-background-color: #e6fffb;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Base
 * Global reset, body defaults, scrollbar styling.
 * Depends on: tokens.css (must load first).
 * ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

html[data-theme="dark"] {
    color-scheme: dark;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background-color: var(--bg-body);
    line-height: 1.5715;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Layout
 * App shell, theme switcher, demo page chrome.
 * Block prefixes:
 *   .fx-app         (outer shell)
 *   .fx-app-header  (top bar)
 *   .fx-theme-switcher
 *   .fx-demo        (demo page)
 * ============================================================ */

/* ===== App shell ===== */
.fx-app {
    width: 100%;
    height: 100vh;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.fx-app__main {
    flex: 1 1 auto;
    min-height: 0;
}

/* ===== Workbook + AI workspace ===== */
.fx-workbook-layout {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 0;
}
.fx-workbook-layout .fx-workbook-page {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
}

/* Full-page assistant workspace. The workbook remains mounted so switching
 * back preserves the current sheet, selection, and conversation state. */
.fx-workbook-layout--assistant-page .fx-workbook-page {
    display: none;
}
.fx-workbook-layout--assistant-page .fx-ai-panel {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    min-width: 0;
    border-left: 0;
}
.fx-workbook-layout--assistant-page .fx-ai-panel__header,
.fx-workbook-layout--assistant-page .fx-ai-panel__status,
.fx-workbook-layout--assistant-page .fx-ai-settings,
.fx-workbook-layout--assistant-page .fx-ai-context,
.fx-workbook-layout--assistant-page .fx-ai-messages,
.fx-workbook-layout--assistant-page .fx-ai-composer {
    width: min(100% - 48px, 960px);
    margin-right: auto;
    margin-left: auto;
}
.fx-workbook-layout--assistant-page .fx-ai-messages {
    flex: 1 1 auto;
}

.fx-app-header__assistant-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    height: calc(var(--app-header-height) - var(--space-sm));
    padding: 0 var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-sm);
}
.fx-app-header__assistant-button:hover,
.fx-app-header__assistant-button:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}

/* ===== App header ===== */
.fx-app-header {
    position: relative;
    z-index: var(--z-app-header);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 var(--app-header-height);
    height: var(--app-header-height);
    padding: 0 var(--space-md);
    gap: var(--space-sm);
    background: var(--bg-component);
    border-bottom: 1px solid var(--border-secondary);
    box-shadow: var(--shadow-1);
    transition: background 0.3s, border-color 0.3s;
}
.fx-app-header__left {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
    /*gap: var(--space-sm);*/
}
.fx-app-header__brand {
    flex: 0 0 auto;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    padding: 0;
}
.fx-app-header__left img {
    width: 26px;
    height: 24px;
    border: none;
}
.fx-app-header__document-input {
    width: calc(var(--space-2xl) * 4);
    flex: 1 1 auto;
    min-width: var(--space-xl);
    max-width: 40vw;
    height: calc(var(--app-header-height) - var(--space-sm));
    padding: 0 var(--space-xs);
    border: var(--control-border-width) solid transparent;
    border-radius: var(--radius-sm);
    outline: none;
    background: transparent;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}
.fx-app-header__document-input:hover {
    border-color: var(--border-secondary);
    background: var(--bg-secondary);
}
.fx-app-header__document-input:focus {
    border-color: var(--primary-color);
    background: var(--bg-component);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}

/* ===== Workbook command bar ===== */
.fx-workbook-commands {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    height: var(--workbook-command-button-height);
    gap: var(--space-xs);
    padding: 0;
    overflow: visible;
    margin-left: 4px;
    margin-right: 4px;
}
.fx-workbook-commands__group {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: var(--space-xs);
}
.fx-workbook-commands__label {
    padding-right: var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
}
.fx-workbook-commands__divider {
    width: var(--control-border-width);
    height: calc(var(--workbook-command-button-height) - var(--space-sm));
    flex: 0 0 var(--control-border-width);
    background: var(--border-secondary);
}
.fx-workbook-commands__button {
    display: grid;
    width: var(--workbook-command-button-height);
    height: var(--workbook-command-button-height);
    min-width: var(--workbook-command-button-height);
    padding: 0;
    place-items: center;
    border: var(--control-border-width) solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
}
.fx-workbook-commands__button:hover,
.fx-workbook-commands__button:focus-visible {
    border-color: var(--primary-color);
    background: var(--bg-component);
    outline: none;
}
.fx-workbook-commands__button--save {
    color: var(--primary-color);
}
.fx-workbook-commands__button svg {
    width: var(--space-md);
    height: var(--space-md);
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.5;
}

@media (max-width: 45rem) {
    .fx-workbook-commands__button--clipboard {
        display: none;
    }
}

@media (max-width: 35rem) {
    .fx-workbook-commands__button--file {
        display: none;
    }
    .fx-workbook-commands__divider {
        display: none;
    }
    .fx-theme-switcher__label {
        display: none;
    }
    .fx-theme-switcher__trigger {
        padding-right: var(--space-sm);
        padding-left: var(--space-sm);
    }
}

/* ===== Workbook workspace ===== */
.fx-workbook-page {
    width: 100%;
    height: 100%;
    min-height: 0;
}
.fx-workbook-page .fx-spreadsheet {
    height: 100%;
}

/* ===== Theme switcher ===== */
.fx-theme-switcher {
    position: relative;
}
.fx-theme-switcher__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}
.fx-theme-switcher__trigger:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.fx-theme-switcher__arrow {
    font-size: 10px;
    opacity: 0.6;
}
.fx-theme-switcher__dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 160px;
    background: var(--bg-component);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    padding: 4px;
    z-index: var(--z-dropdown);
    animation: fx-theme-switcher-drop-in 0.15s ease;
}
@keyframes fx-theme-switcher-drop-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}
.fx-theme-switcher__option {
    appearance: none;
    width: 100%;
    border: 0;
    background: transparent;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: var(--transition-fast);
    text-align: left;
    font-family: inherit;
}
.fx-theme-switcher__option:hover,
.fx-theme-switcher__option:focus-visible {
    background: var(--bg-secondary);
    color: var(--primary-color);
}
.fx-theme-switcher__option.is-active {
    background: var(--primary-light);
    color: var(--primary-color);
}
.fx-theme-switcher__icon {
    font-size: 16px;
}

/* ===== Demo page ===== */
.fx-demo {
    padding-bottom: var(--space-2xl);
}
.fx-demo__section {
    margin-bottom: var(--space-2xl);
}
.fx-demo__section-title-wrap {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-split);
}
.fx-demo__section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: var(--space-xs);
}
.fx-demo__section-desc {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}
.fx-demo__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(920px, 1fr));
    gap: var(--space-lg);
}
.fx-demo__block {
    background: var(--bg-component);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border-secondary);
    transition: var(--transition-base);
}
.fx-demo__block:hover {
    border-color: var(--border-color);
}
.fx-demo__block-title {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-title);
    margin-bottom: var(--space-md);
}
.fx-demo__block-content {
    color: var(--text-primary);
}

.fx-demo__highlights {
    margin-top: var(--space-md);
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.8;
}

.fx-demo__highlights-title {
    color: var(--text-primary);
}

.fx-demo__picker-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

.fx-demo__picker-hint {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.fx-demo__no-pad {
    padding: 0;
}

.demo-container {
    padding: var(--space-md);
}

.demo-hero {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.hero-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: var(--space-md);
}

.hero-desc {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
* Component: spreadsheet (core)
* Source:    src/spreadsheet.rs
                 * Block:     .fx-spreadsheet
  * Note:      toolbar / font-selector / sheet-tabs / formula-bar
  *            live in their own CSS files.
* ============================================================ */

/* ===== Demo wrapper ===== */
.fx-spreadsheet-demo {
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* ===== Block ===== */
.fx-spreadsheet {
    position: relative;
    width: 100%;
    height: 640px;
    background: var(--bg-component);
    outline: none;
    overflow: hidden;
    font-size: var(--font-size-sm);
    user-select: none;
    -webkit-user-select: none;
}

/* ===== Row header & viewport ===== */
.fx-spreadsheet__viewport {
    position: absolute;
    overflow: auto;
    z-index: var(--z-base);
    outline: none;
}
.fx-spreadsheet__content-placeholder {
    position: relative;
    top: 0;
    left: 0;
}

/* ===== Cells ===== */
.fx-spreadsheet__cell {
    position: absolute;
    display: flex;
    align-items: center;
    padding: 0 8px;
    background: var(--bg-component);
    border-right: 1px solid var(--border-secondary);
    border-bottom: 1px solid var(--border-secondary);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: cell;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}
.fx-spreadsheet__cell:hover {
    background: var(--primary-light);
}
.fx-spreadsheet__cell--selected {
    background: var(--primary-light) !important;
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
    z-index: var(--z-cell-selected);
}
.fx-spreadsheet__cell--editing {
    padding: 0;
    z-index: var(--z-cell-selected);
}

/* ===== Canvas ===== */
.fx-spreadsheet__canvas {
    position: absolute;
    z-index: var(--z-base);
    cursor: cell;
}
.fx-spreadsheet__canvas--col-resize {
    cursor: col-resize;
}
.fx-spreadsheet__canvas--row-resize {
    cursor: row-resize;
}

/* ===== Cell editing overlay ===== */
.fx-spreadsheet__cell-editing-overlay {
    position: absolute;
    z-index: var(--z-frozen-header);
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-component);
}

/* ===== Cell editor (rich text content) ===== */
.fx-cell-editor {
    padding: 1px 5px;
    outline: none;
    box-sizing: border-box;
    width: 100%;
    line-height: 20px;
    background-color: var(--bg-component);
    transition: border-color var(--transition-fast);
}

.fx-cell-editor br {
    display: block;
    content: "";
    line-height: 20px;
}

.fx-cell-editor--nowrap br[data-fx-trailing-br] {
    display: none;
}

/* ===== Fill handle ===== */
.fx-spreadsheet__fill-handle {
    position: absolute;
    cursor: crosshair;
    z-index: var(--z-cell-selected);
    transition: transform 0.1s ease;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}
/*
.fx-spreadsheet__fill-handle:hover {
    transform: scale(1.0);
    box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.3);
}

.fx-spreadsheet__fill-handle:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.3);
}

.fx-spreadsheet__fill-handle:active {
    transform: scale(1.0);
}*/

/* When dragging fill handle, force cursor on entire spreadsheet */
.fx-spreadsheet.is-fill-handle-dragging {
    cursor: crosshair !important;
}

.fx-spreadsheet.is-fill-handle-dragging * {
    cursor: crosshair !important;
}

.fx-spreadsheet.is-format-painter-active .fx-spreadsheet__canvas {
    cursor: crosshair !important;
}

/* ===== Copy border (marching ants) ===== */
.fx-spreadsheet__copied-border {
    position: absolute;
    z-index: var(--z-resize-handle);
    pointer-events: none;
    background-repeat: no-repeat;
    background-image:
            repeating-linear-gradient(90deg, var(--primary-color) 0 3px, transparent 3px 7px),
            repeating-linear-gradient(90deg, var(--primary-color) 0 3px, transparent 3px 7px),
            repeating-linear-gradient(0deg, var(--primary-color) 0 3px, transparent 3px 7px),
            repeating-linear-gradient(0deg, var(--primary-color) 0 3px, transparent 3px 7px);
    background-size:
            100% 2px,
            100% 2px,
            2px 100%,
            2px 100%;
    background-position:
            0 0,
            0 100%,
            0 0,
            100% 0;
    animation: fx-spreadsheet-marching-ants 0.4s linear infinite;
}

@keyframes fx-spreadsheet-marching-ants {
    to {
        background-position:
                7px 0,
                -7px 100%,
                0 -7px,
                100% 7px;
    }
}

/* ===== Viewport scrollbar ===== */
.fx-spreadsheet__viewport::-webkit-scrollbar, .fx-spreadsheet__viewport::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}
.fx-spreadsheet__viewport::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
.fx-spreadsheet__viewport::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 0;
    border: 3px solid var(--scrollbar-track);
}
.fx-spreadsheet__viewport::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}
.fx-spreadsheet__viewport::-webkit-scrollbar-corner {
    background: var(--scrollbar-track);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* Floating chart objects */
.fx-spreadsheet__chart-layer {
    position: absolute;
    overflow: hidden;
    z-index: var(--z-sheet-object);
    pointer-events: none;
}

.fx-chart-object {
    position: absolute;
    box-sizing: border-box;
    min-width: var(--chart-min-width);
    min-height: var(--chart-min-height);
    overflow: visible;
    background: var(--bg-component);
    box-shadow: var(--shadow-1);
    cursor: move;
    pointer-events: auto;
    user-select: none;
}

.fx-chart-object.is-selected {
    border-color: transparent;
    box-shadow: var(--chart-selected-shadow);
}

.fx-chart-object.is-selected::after {
    content: "";
    position: absolute;
    inset: 0;
    box-sizing: border-box;
    border: var(--chart-selected-border-width) solid var(--primary-color);
    pointer-events: none;
    z-index: var(--z-cell-selected);
}

.fx-chart-object.is-read-only,
.fx-chart-object.is-locked {
    cursor: default;
}

.fx-chart__canvas {
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: auto;
}

.fx-chart-design-controls {
    position: absolute;
    top: var(--space-xs);
    right: var(--space-xs);
    display: flex;
    width: min(
        calc(100% - var(--space-sm)),
        calc(var(--space-lg) * 16)
    );
    max-width: calc(100% - var(--space-sm));
    align-items: center;
    gap: var(--control-border-width);
    padding: var(--control-border-width);
    box-sizing: border-box;
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-secondary);
    box-shadow: var(--shadow-1);
    z-index: var(--z-dropdown);
}

.fx-chart-design-controls.has-title {
    top: calc(var(--space-xl) + var(--space-xs));
}

.fx-chart-design-controls__types,
.fx-chart-design-controls__options {
    display: flex;
    align-items: center;
    gap: var(--control-border-width);
}

.fx-chart-design-controls__types {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scrollbar-gutter: stable;
}

.fx-chart-design-controls__options {
    flex: 0 0 auto;
}

.fx-chart-design-controls__button {
    display: grid;
    flex: 0 0 var(--space-lg);
    width: var(--space-lg);
    height: var(--space-lg);
    padding: 0;
    place-items: center;
    color: var(--text-secondary);
    background: transparent;
    border: 0;
    cursor: pointer;
}

.fx-chart-design-controls__button:hover,
.fx-chart-design-controls__button.is-active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.fx-chart-design-controls__button:focus-visible {
    outline: var(--control-border-width) solid var(--primary-color);
    outline-offset: calc(-1 * var(--control-border-width));
}

.fx-chart-design-controls__button svg {
    width: var(--space-lg);
    height: var(--space-md);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.fx-chart-design-controls__types > .fx-chart-design-controls__button:first-child svg path {
    fill: currentColor;
    stroke: none;
}

.fx-chart-design-controls__divider {
    flex: 0 0 var(--control-border-width);
    width: var(--control-border-width);
    height: var(--space-lg);
    background: var(--border-secondary);
}

.fx-chart-design-controls__types::-webkit-scrollbar {
    height: var(--control-border-width);
}

.fx-chart-design-controls__types::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
}

.fx-chart-combo-settings {
    position: absolute;
    top: calc(100% + var(--space-xs));
    right: 0;
    display: grid;
    width: min(calc(var(--space-xl) * 8), calc(100vw - var(--space-lg)));
    max-height: calc(var(--space-xl) * 10);
    gap: var(--space-xs);
    padding: var(--space-sm);
    overflow-y: auto;
    color: var(--text-primary);
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-secondary);
    box-shadow: var(--shadow-1);
    z-index: var(--z-dropdown);
}

.fx-chart-3d-settings {
    position: absolute;
    top: calc(100% + var(--space-xs));
    right: 0;
    display: grid;
    width: min(calc(var(--space-xl) * 9), calc(100vw - var(--space-lg)));
    gap: var(--space-xs);
    padding: var(--space-sm);
    color: var(--text-primary);
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-secondary);
    box-shadow: var(--shadow-1);
    z-index: var(--z-dropdown);
}

.fx-chart-3d-settings__heading,
.fx-chart-3d-settings__toggle,
.fx-chart-3d-settings__fields {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.fx-chart-3d-settings__heading {
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-chart-3d-settings__toggle {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-chart-3d-settings__toggle input {
    margin: 0;
    accent-color: var(--primary-color);
}

.fx-chart-3d-settings__fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fx-chart-3d-settings__fields label {
    display: grid;
    min-width: 0;
    gap: var(--control-border-width);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-chart-3d-settings__fields input {
    min-width: 0;
    height: var(--space-lg);
    padding: 0 var(--space-xs);
    color: var(--text-primary);
    font: inherit;
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-secondary);
}

.fx-chart-3d-settings__fields input:focus-visible {
    outline: var(--control-border-width) solid var(--primary-color);
    outline-offset: calc(-1 * var(--control-border-width));
}

.fx-chart-combo-settings__section {
    display: grid;
    gap: var(--space-xs);
    padding-bottom: var(--space-xs);
    border-bottom: var(--control-border-width) solid var(--border-secondary);
}

.fx-chart-combo-settings__section:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.fx-chart-combo-settings__heading {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-chart-combo-settings__series-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) repeat(2, auto);
    align-items: center;
    gap: var(--space-xs);
}

.fx-chart-combo-settings__series-name {
    min-width: 0;
    overflow: hidden;
    font-size: var(--font-size-sm);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-chart-combo-settings__select,
.fx-chart-combo-settings__number {
    min-width: 0;
    height: var(--space-lg);
    padding: 0 var(--space-xs);
    color: var(--text-primary);
    font: inherit;
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-secondary);
}

.fx-chart-combo-settings__select:focus-visible,
.fx-chart-combo-settings__number:focus-visible {
    outline: var(--control-border-width) solid var(--primary-color);
    outline-offset: calc(-1 * var(--control-border-width));
}

.fx-chart-combo-settings__axis-heading,
.fx-chart-combo-settings__toggle,
.fx-chart-combo-settings__axis-fields {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.fx-chart-combo-settings__axis-heading {
    justify-content: space-between;
}

.fx-chart-combo-settings__toggle,
.fx-chart-combo-settings__axis-fields label {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-chart-combo-settings__toggle input {
    margin: 0;
    accent-color: var(--primary-color);
}

.fx-chart-combo-settings__axis-fields label {
    display: grid;
    flex: 1 1 0;
    min-width: 0;
    gap: var(--control-border-width);
}

.fx-chart-title-editor {
    position: absolute;
    top: var(--space-xs);
    right: var(--space-xs);
    left: var(--space-xs);
    width: auto;
    height: var(--space-lg);
    min-width: 0;
    padding: 0 var(--space-sm);
    color: var(--text-primary);
    font: 600 14px Calibri, "Segoe UI", sans-serif;
    text-align: center;
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--primary-color);
    outline: 0;
    z-index: var(--z-resize-handle);
}

.fx-chart-handle {
    position: absolute;
    width: var(--chart-handle-size);
    height: var(--chart-handle-size);
    box-sizing: border-box;
    background: var(--bg-component);
    border: var(--chart-handle-border-width) solid var(--primary-color);
    z-index: var(--z-resize-handle);
}

.fx-chart-handle--nw {
    top: var(--chart-handle-offset);
    left: var(--chart-handle-offset);
    cursor: nwse-resize;
}

.fx-chart-handle--ne {
    top: var(--chart-handle-offset);
    right: var(--chart-handle-offset);
    cursor: nesw-resize;
}

.fx-chart-handle--n {
    top: var(--chart-handle-offset);
    left: 50%;
    cursor: ns-resize;
    transform: translateX(-50%);
}

.fx-chart-handle--e {
    top: 50%;
    right: var(--chart-handle-offset);
    cursor: ew-resize;
    transform: translateY(-50%);
}

.fx-chart-handle--sw {
    bottom: var(--chart-handle-offset);
    left: var(--chart-handle-offset);
    cursor: nesw-resize;
}

.fx-chart-handle--se {
    right: var(--chart-handle-offset);
    bottom: var(--chart-handle-offset);
    cursor: nwse-resize;
}

.fx-chart-handle--s {
    bottom: var(--chart-handle-offset);
    left: 50%;
    cursor: ns-resize;
    transform: translateX(-50%);
}

.fx-chart-handle--w {
    top: 50%;
    left: var(--chart-handle-offset);
    cursor: ew-resize;
    transform: translateY(-50%);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Component: toolbar
 * Source:    src/components/toolbar.rs
 * Block:     .fx-toolbar
 * Contains:  toolbar shell, groups/buttons, custom select,
 *            size selector, inputs/labels/checkboxes.
 * ============================================================ */

/* ===== Block ===== */
.fx-spreadsheet__toolbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 8px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    /* Keep the toolbar stacking context above the later formula-bar sibling so
       every toolbar dropdown can cross the formula-bar region. */
    z-index: var(--z-toolbar);
    overflow: visible;
    white-space: nowrap;
}

/* ===== Group ===== */
.fx-toolbar__group {
    display: flex;
    align-items: center;
    gap: 2px;
    padding-right: 4px;
    border-left: 1px solid var(--border-secondary-light);
    border-right: 1px solid var(--border-secondary);
    overflow: visible;
}
.fx-toolbar__group:last-child {
    border-right: none;
}
.fx-toolbar__group.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}
.fx-toolbar__group.is-disabled .fx-toolbar__btn-icons,
.fx-toolbar__group.is-disabled .fx-toolbar__btn,
.fx-toolbar__group.is-disabled .fx-toolbar__input {
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== Button ===== */
.fx-toolbar__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 26px;
    padding: 0 6px;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    font-family: inherit;
}
.fx-toolbar__btn:hover {
    background: var(--bg-component);
    border-color: var(--border-secondary);
}
.fx-toolbar__btn.is-active {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.fx-toolbar__btn:disabled,
.fx-toolbar__btn.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== Icon button ===== */
.fx-toolbar__btn-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    height: 26px;
    width: 28px;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    padding: 0;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
}
.fx-toolbar__btn-icons--top {
    align-items: flex-start;
}
.fx-toolbar__btn-icons--bottom {
    align-items: flex-end;
}

.fx-toolbar__btn-icons:hover {
    background: var(--bg-component);
    border-color: var(--border-secondary);
}
.fx-toolbar__btn-icons.is-active {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.fx-toolbar__btn-icons:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fx-toolbar__btn-icons .fx-toolbar__icon {
    height: 16px;
    width: 16px;
}
.fx-toolbar__font-icon {
    height: 16px;
    width: 16px;
}

.fx-toolbar__arrow .fx-toolbar__icon {
    height: 14px;
    width: 14px;
}

.fx-toolbar__font-color-icon {
    height: 18px;
    width: 20px;
}

/* Legacy SVG assets used fixed gray fills, which disappear on dark surfaces. */
.fx-toolbar__group--text-formatting > button.fx-toolbar__btn .fx-toolbar__font-icon path,
button.fx-toolbar__btn-icons > .fx-toolbar__icon path,
.cg-trigger-host .fx-toolbar__icon path:last-child,
.fx-toolbar__font-color-icon path:first-child {
    fill: currentColor;
}

.fx-toolbar__word-wrap-icon {
    height: 20px;
    width: 20px;
}

.fx-toolbar__check-icon {
    opacity: 0;
    margin-left: 8px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}
.fx-toolbar__check-icon.is-visible {
    opacity: 1;
}

/* ===== Custom select ===== */
.fx-toolbar__select {
    position: relative;
    display: inline-block;
}

.fx-toolbar__select--font-family {
    min-width: 140px;
}

.fx-toolbar__select.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.fx-toolbar__select-input {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 22px 4px 8px;
    min-width: 60px;
    height: 26px;
    background: var(--bg-component);
    border: 1px solid var(--border-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    transition: border-color 0.15s;
    user-select: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fx-toolbar__select--font-family .fx-toolbar__select-input {
    min-width: 140px;
}

.fx-toolbar__select-input:hover {
    border-color: var(--primary-color);
}

.fx-toolbar__select-input.is-disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.fx-toolbar__select.is-open .fx-toolbar__select-input {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.fx-toolbar__select-arrow {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--text-secondary);
    transition: transform 0.2s;
}

.fx-toolbar__select.is-open .fx-toolbar__select-arrow {
    transform: translateY(-50%) rotate(180deg);
}

/* 下拉面板 */
.fx-toolbar__select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 100%;
    max-height: 280px;
    background: var(--bg-component);
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    box-shadow: var(--shadow-2);
    z-index: var(--z-dropdown);
    display: none;
    flex-direction: column;
    overflow-y: auto;
    animation: fx-toolbar-dropdown-in 0.18s ease-out;
}

.fx-toolbar__select.is-open .fx-toolbar__select-dropdown {
    display: flex;
}

.fx-toolbar__select-dropdown--font-family {
    min-width: 200px;
    max-height: 320px;
}

@keyframes fx-toolbar-dropdown-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Select option ===== */
.fx-toolbar__select-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}

.fx-toolbar__select-option:hover {
    background: var(--hover);
}

.fx-toolbar__select-option.is-selected {
    background: var(--primary-light);
    color: var(--primary-color);
}

.fx-toolbar__select-option .fx-toolbar__check-icon {
    opacity: 0;
    margin-left: 8px;
}

.fx-toolbar__select-option.is-selected .fx-toolbar__check-icon {
    opacity: 1;
}

.fx-toolbar__select-option.is-disabled {
    color: var(--text-disabled);
    cursor: not-allowed;
}
.fx-toolbar__select-option.is-disabled:hover {
    background: transparent;
}

/* 字体选择器列表 */
.fx-toolbar__select-font-list {
    padding: 4px 0;
}

.fx-toolbar__select-font-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    cursor: pointer;
    transition: background 0.1s;
}

.fx-toolbar__select-font-item:hover {
    background: var(--hover);
}

.fx-toolbar__select-font-item.is-selected {
    background: var(--primary-light);
}

.fx-toolbar__select-font-item .fx-toolbar__check-icon {
    opacity: 0;
    flex-shrink: 0;
}

.fx-toolbar__select-font-item.is-selected .fx-toolbar__check-icon {
    opacity: 1;
}

.fx-toolbar__select-font-item .fx-toolbar__font-preview-text {
    flex: 1;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Size selector ===== */
.fx-toolbar__size-selector {
    position: relative;
}

.fx-toolbar__size-trigger {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px 6px;
    width: 56px;
    height: 26px;
    background: var(--bg-component);
    border: 1px solid var(--border-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    transition: border-color 0.15s;
}

.fx-toolbar__size-trigger:hover {
    border-color: var(--primary-color);
}

.fx-toolbar__size-trigger.is-active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.fx-toolbar__size-trigger .fx-toolbar__size-val {
    flex: 1;
    text-align: center;
}

.fx-toolbar__size-trigger .fx-toolbar__arrow {
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.fx-toolbar__size-trigger.is-active .fx-toolbar__arrow {
    transform: rotate(180deg);
}

.fx-toolbar__size-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    min-width: 56px;
    background: var(--bg-component);
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    box-shadow: var(--shadow-2);
    z-index: var(--z-dropdown);
    padding: 4px;
    display: none;
    flex-direction: column;
    overflow-y: auto;
    max-height: 200px;
}

.fx-toolbar__size-dropdown.is-active {
    display: flex;
    animation: fx-toolbar-dropdown-in 0.18s ease-out;
}

.fx-toolbar__size-option {
    padding: 5px 8px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.1s;
    text-align: center;
}

.fx-toolbar__size-option:hover {
    background: var(--hover);
}

.fx-toolbar__size-option.is-selected {
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
    content: ' ✓';
    font-size: 10px;
}

/* ===== Input / Label / Checkbox ===== */
.fx-toolbar__input {
    height: 26px;
    width: 48px;
    padding: 0 4px;
    border: 1px solid var(--border-secondary);
    border-radius: 4px;
    background: var(--bg-component);
    color: var(--text-primary);
    font-size: 12px;
    text-align: center;
    outline: none;
    font-family: inherit;
}
.fx-toolbar__input:hover {
    border-color: var(--primary-color);
}
.fx-toolbar__input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}
.fx-toolbar__input--dim {
    width: 56px;
}
.fx-toolbar__input--size {
    width: 52px;
}
.fx-toolbar__label {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}
.fx-toolbar__checkbox {
    cursor: pointer;
    accent-color: var(--primary-color);
}
.fx-toolbar__wrap {
    gap: 4px;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* Font selector */
.fx-font-selector {
    position: relative;
}

.fx-font-selector.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fx-font-selector__trigger {
    appearance: none;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: calc(var(--space-xs) + var(--control-border-width));
    min-width: var(--font-selector-trigger-min-width);
    height: var(--font-selector-trigger-height);
    padding: var(--space-xs) var(--space-sm);
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-xs);
    text-align: left;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.fx-font-selector__trigger:hover:not(:disabled),
.fx-font-selector__trigger.is-open {
    border-color: var(--primary-color);
}

.fx-font-selector__trigger.is-open {
    box-shadow: var(--shadow-1);
}

.fx-font-selector__trigger:focus-visible,
.fx-font-selector__section-header:focus-visible,
.fx-font-selector__theme-row:focus-visible,
.fx-font-selector__item:focus-visible,
.fx-font-selector__footer-btn:focus-visible {
    outline: var(--focus-ring-width) solid var(--primary-color);
    outline-offset: calc(-1 * var(--control-border-width));
}

.fx-font-selector__trigger:disabled {
    color: var(--text-disabled);
    cursor: not-allowed;
}

.fx-font-selector__name {
    min-width: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-font-selector__arrow,
.fx-font-selector__toggle-icon,
.fx-font-selector__search-icon,
.fx-font-selector__item-check {
    display: inline-flex;
    flex: 0 0 var(--font-selector-icon-size);
    align-items: center;
    justify-content: center;
    width: var(--font-selector-icon-size);
    height: var(--font-selector-icon-size);
}

.fx-font-selector__arrow,
.fx-font-selector__toggle-icon {
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.fx-font-selector__trigger:hover:not(:disabled) .fx-font-selector__arrow,
.fx-font-selector__trigger.is-open .fx-font-selector__arrow {
    color: var(--primary-color);
}

.fx-font-selector__trigger.is-open .fx-font-selector__arrow {
    transform: rotate(180deg);
}

.fx-font-selector__toggle-icon.is-collapsed {
    transform: rotate(-90deg);
}

.fx-font-selector .icon {
    width: var(--font-selector-icon-size);
    height: var(--font-selector-icon-size);
}

.fx-font-selector__dropdown {
    position: fixed;
    z-index: var(--z-dropdown);
    box-sizing: border-box;
    display: none;
    width: min(var(--font-selector-dropdown-width), calc(100vw - var(--space-md)));
    max-height: var(--font-selector-dropdown-max-height);
    overflow: hidden;
    flex-direction: column;
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-3);
    color: var(--text-primary);
    animation: fx-font-selector-drop-in 0.15s ease-out;
}

.fx-font-selector__dropdown.is-visible {
    display: flex;
}

@keyframes fx-font-selector-drop-in {
    from {
        opacity: 0;
        transform: translateY(calc(-1 * var(--space-xs)));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fx-font-selector__search-bar {
    flex: none;
    padding: var(--space-sm);
    border-bottom: var(--control-border-width) solid var(--border-secondary);
    background: var(--bg-component);
}

.fx-font-selector__search-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    transition: var(--transition-fast);
}

.fx-font-selector__search-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-1);
}

.fx-font-selector__search-icon {
    color: var(--text-secondary);
}

.fx-font-selector__search-input {
    min-width: 0;
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-xs);
}

.fx-font-selector__search-input::placeholder {
    color: var(--text-muted);
}

.fx-font-selector__list {
    min-height: 0;
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xs) 0;
}

.fx-font-selector__list::-webkit-scrollbar {
    width: var(--scrollbar-size);
}

.fx-font-selector__list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.fx-font-selector__list::-webkit-scrollbar-thumb {
    border-radius: var(--radius-full);
    background: var(--border-color);
}

.fx-font-selector__section-header,
.fx-font-selector__theme-row,
.fx-font-selector__item {
    appearance: none;
    box-sizing: border-box;
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.fx-font-selector__section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) calc(var(--space-sm) + var(--space-xs)) var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    user-select: none;
}

.fx-font-selector__section-header:hover {
    color: var(--text-primary);
}

.fx-font-selector__themes.is-hidden,
.fx-font-selector__section-header.is-hidden,
.fx-font-selector__section-content.is-collapsed {
    display: none;
}

.fx-font-selector__theme-row,
.fx-font-selector__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: calc(var(--space-xs) + var(--control-border-width)) calc(var(--space-sm) + var(--space-xs));
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.fx-font-selector__theme-row:hover,
.fx-font-selector__item:hover,
.fx-font-selector__item.is-active {
    background: var(--hover);
}

.fx-font-selector__theme-row.is-selected,
.fx-font-selector__item.is-selected {
    background: var(--primary-light);
}

.fx-font-selector__item-check {
    color: var(--primary-color);
    opacity: 0;
}

.fx-font-selector__theme-row.is-selected .fx-font-selector__item-check,
.fx-font-selector__item.is-selected .fx-font-selector__item-check {
    opacity: 1;
}

.fx-font-selector__theme-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: var(--control-border-width);
}

.fx-font-selector__theme-name,
.fx-font-selector__theme-value,
.fx-font-selector__item-preview {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-font-selector__theme-name {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.fx-font-selector__theme-value,
.fx-font-selector__item-preview {
    min-width: 0;
    flex: 1;
    font-size: var(--font-size-xs);
}

.fx-font-selector__item-name-sub {
    flex-shrink: 0;
    margin-left: auto;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-font-selector__item-name-sub:empty {
    display: none;
}

.fx-font-selector__divider {
    height: var(--control-border-width);
    margin: var(--space-xs) calc(var(--space-sm) + var(--space-xs));
    background: var(--border-secondary);
}

.fx-font-selector__empty {
    padding: var(--space-md) var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-align: center;
}

.fx-font-selector__footer {
    display: flex;
    flex: none;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) calc(var(--space-sm) + var(--space-xs));
    border-top: var(--control-border-width) solid var(--border-secondary);
    background: var(--bg-secondary);
}

.fx-font-selector__footer-info {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-font-selector__footer-btn {
    appearance: none;
    padding: var(--space-xs) var(--space-sm);
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-font-selector__footer-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    background: var(--hover);
    color: var(--primary-color);
}

.fx-font-selector__footer-btn:disabled {
    color: var(--text-disabled);
    cursor: not-allowed;
}

.fx-font-selector__theme-dots {
    flex: 1;
    display: flex;
    gap: 3px;
    margin-bottom: 5px;
    align-self: self-end;
    justify-content: flex-end;
}

.fx-font-selector__theme-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}

@media (prefers-reduced-motion: reduce) {
    .fx-font-selector__dropdown {
        animation: none;
    }

    .fx-font-selector__trigger,
    .fx-font-selector__arrow,
    .fx-font-selector__toggle-icon,
    .fx-font-selector__search-wrapper,
    .fx-font-selector__theme-row,
    .fx-font-selector__item,
    .fx-font-selector__footer-btn {
        transition: none;
    }
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Component: formula-bar
 * Source:    src/spreadsheet.rs (formula bar region)
 * Block:     .fx-formula-bar
 * ============================================================ */

/* ===== Block ===== */
.fx-formula-bar {
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 32px;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    padding: 0 12px;
    font-size: 12px;
    gap: 0;
    z-index: var(--z-formula-bar);
    user-select: text;
    -webkit-user-select: text;
    box-shadow: inset 0 var(--control-border-width) 0 0 var(--border-secondary-light);
}

/* ===== Cell ref ===== */
.fx-formula-bar__cell-ref {
    width: 64px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 12px;
    font-family: "Times New Roman", serif;
    padding: 0 8px;
    background: var(--bg-component);
    color: var(--text-title);
    outline: none;
    transition: var(--transition-fast);
    user-select: none;
    -webkit-user-select: none;
    flex-shrink: 0;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

.fx-formula-bar__cell-ref:hover {
    border-color: var(--primary-hover);
}

.fx-formula-bar__cell-ref:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.fx-formula-bar__cell-ref.is-invalid {
    border-color: var(--error-color);
    box-shadow: 0 0 0 2px var(--error-light);
}

/* ===== Separator ===== */
.fx-formula-bar__separator {
    width: 1px;
    height: 18px;
    border-left: 1px solid var(--border-secondary);
    border-right: 1px solid var(--bg-component);
    margin: 0 6px;
    flex-shrink: 0;
}

/* ===== fx label ===== */
.fx-formula-bar__fx-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 24px;
    color: var(--primary-color);
    font-style: italic;
    font-weight: 700;
    font-size: 13px;
    font-family: "Times New Roman", serif;
    user-select: none;
    -webkit-user-select: none;
    flex-shrink: 0;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    border: 0;
    padding: 0;
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-formula-bar__fx-label:hover {
    background: var(--primary-light-hover);
}

.fx-formula-bar__fx-label:disabled {
    color: var(--text-disabled);
    background: transparent;
    cursor: default;
}

[data-theme="dark"] .fx-formula-bar__fx-label {
    background: var(--primary-light);
}

[data-theme="dark"] .fx-formula-bar__fx-label:disabled {
    background: transparent;
}

/* ===== Input wrapper ===== */
.fx-formula-bar__input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    position: relative;
    min-width: 0;
    margin-left: 6px;
}

/* ===== Formula preview ===== */
.fx-formula-bar__preview {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 0 8px;
    font-size: 12px;
    font-family: var(--font-family);
    pointer-events: none;
    z-index: var(--z-base);
    background: var(--bg-component);
    border-radius: var(--radius-sm);
    overflow: hidden;
    /* 确保文本颜色可见 */
    color: var(--text-primary);
}

/* 当预览层显示时，input 需要在预览层之上以显示光标 */
.fx-formula-bar__input-wrapper.has-preview .fx-formula-bar__input {
    color: transparent !important;
    caret-color: var(--text-title) !important;
    -webkit-text-fill-color: transparent !important;
    z-index: var(--z-cell-selected) !important;
    position: relative;
    background: transparent !important;
}

/* Excel-style accept/cancel controls. They stay out of the layout until
   the formula bar owns an active edit session. */
.fx-formula-bar__actions {
    display: none;
    align-items: center;
    gap: var(--formula-bar-action-gap);
    flex-shrink: 0;
    margin-left: var(--space-xs);
    position: relative;
    z-index: var(--z-cell-selected);
}

.fx-formula-bar__actions.is-visible {
    display: flex;
}

.fx-formula-bar__action {
    width: var(--formula-bar-action-size);
    height: var(--formula-bar-action-size);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-size-lg);
    line-height: 1;
    padding: 0;
    transition: var(--transition-fast);
}

.fx-formula-bar__action:hover {
    background: var(--hover);
    border-color: var(--border-color);
}

.fx-formula-bar__action--cancel:hover {
    color: var(--error-color);
}

.fx-formula-bar__action--confirm:hover {
    color: var(--success-color);
}

.fx-formula-bar__preview span {
    /* 保持 span 的内联样式 */
    font-weight: inherit;
}

/* ===== Input ===== */
.fx-formula-bar__input {
    flex: 1;
    height: 24px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 12px;
    padding: 0 8px;
    background: transparent;
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-family);
    transition: var(--transition-fast);
    min-width: 0;
}

.fx-formula-bar__input:hover {
    border-color: var(--border-color);
    background: var(--bg-component);
}

.fx-formula-bar__input:focus {
    border-color: var(--primary-color);
    background: var(--bg-component);
    box-shadow: 0 0 0 2px var(--primary-light), inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

.fx-formula-bar__input.is-editing {
    border-color: var(--primary-color);
    background: var(--bg-component);
    box-shadow: 0 0 0 2px var(--primary-light), inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

.fx-formula-bar__input:read-only {
    cursor: default;
    color: var(--text-secondary);
}

.fx-formula-bar__input:read-only:focus {
    border-color: transparent;
    box-shadow: none;
}

/* ===== Expand button ===== */
.fx-formula-bar__expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    margin-left: 4px;
}

.fx-formula-bar__expand-btn:hover {
    background: var(--hover);
    color: var(--primary-color);
}

.fx-formula-bar__expand-btn svg {
    width: 12px;
    height: 12px;
}

/* ===== Dropdown ===== */
.fx-formula-bar__dropdown {
    /* position 由内联 style 动态设置（fixed + top/left 视口坐标），
       跟随当前编辑位置（公式栏 / cell 编辑器）显示在输入框下方。 */
    position: fixed;
    width: 500px;
    /* Excel 2007 函数下拉参考：限制可视高度并启用独立滚动条，避免遮挡下方内容 */
    max-height: 320px;
    background: var(--bg-component);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    z-index: var(--z-dropdown);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: fx-formula-bar-dropdown-in 0.18s ease-out;
}

.fx-formula-bar__dropdown.is-visible {
    display: flex;
}

@keyframes fx-formula-bar-dropdown-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fx-formula-bar__dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-secondary);
    background: var(--bg-secondary);
    font-size: 11px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.fx-formula-bar__dropdown-title {
    font-weight: 600;
    color: var(--text-title);
}

.fx-formula-bar__dropdown-count {
    color: var(--text-secondary);
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 11px;
}

/* 滚动容器：限制可视行数，超出后独立滚动。
   使用 -webkit-overflow-scrolling 提供 iOS 弹性滚动体验。 */
.fx-formula-bar__dropdown-content {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding: 4px 0;
}

.fx-formula-bar__dropdown-content::-webkit-scrollbar {
    width: 8px;
}

.fx-formula-bar__dropdown-content::-webkit-scrollbar-track {
    background: transparent;
}

.fx-formula-bar__dropdown-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    border: 2px solid var(--bg-component);
}

.fx-formula-bar__dropdown-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.fx-formula-bar__suggestion {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
    border-radius: var(--radius-sm);
    margin: 0 4px;
}

.fx-formula-bar__suggestion:hover {
    background: var(--hover);
}

.fx-formula-bar__suggestion.is-selected {
    background: var(--primary-light);
    color: var(--primary-color);
}

.fx-formula-bar__suggestion-icon {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.fx-formula-bar__suggestion-name {
    flex: 1;
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-weight: 500;
}

.fx-formula-bar__suggestion-params {
    color: var(--text-secondary);
    font-size: 11px;
    font-family: "Consolas", "Monaco", "Courier New", monospace;
}

.fx-formula-bar__suggestion-desc {
    color: var(--text-secondary);
    font-size: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-left: 8px;
}

.fx-formula-bar__dropdown-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--border-secondary);
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fx-formula-bar__dropdown-footer-btn {
    padding: 4px 16px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-component);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.fx-formula-bar__dropdown-footer-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ===== Dark theme ===== */
[data-theme="dark"] .fx-formula-bar__input:hover {
    background: var(--bg-elevated);
}

[data-theme="dark"] .fx-formula-bar__input:focus {
    background: var(--bg-elevated);
}

/* ===== Signature hint ===== */
.fx-formula-bar__signature-hint {
    /* position 由内联 style 动态设置（fixed + top/left 视口坐标），
       跟随当前编辑位置（公式栏 / cell 编辑器）显示在输入框下方。 */
    position: fixed;
    max-width: 500px;
    background: var(--bg-component);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 10px;
    font-size: 11px;
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    color: var(--text-secondary);
    box-shadow: var(--shadow-1);
    z-index: var(--z-dropdown);
    align-items: center;
    gap: 4px;
    animation: fx-formula-bar-signature-in 0.15s ease-out;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@keyframes fx-formula-bar-signature-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-theme="dark"] .fx-formula-bar__signature-hint {
    background: var(--bg-elevated);
    box-shadow: var(--shadow-2);
}

/* ===== Green theme ===== */
[data-theme="green"] .fx-formula-bar__fx-label {
    color: var(--primary-color);
    background: var(--primary-light);
}

[data-theme="green"] .fx-formula-bar__fx-label:hover {
    background: var(--primary-light-hover);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Component: sheet-tabs
 * Source:    src/components/sheet_tabs.rs
 * Block:     .fx-sheet-tabs
 * Note:      Viewport scrollbar styling lives in spreadsheet.css.
 * ============================================================ */

/* ===== Block ===== */
.fx-sheet-tabs {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 32px;
    z-index: var(--z-resize-handle);
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-secondary);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 4px;
    gap: 1px;
}

/* ===== Bar ===== */
.fx-sheet-tabs__bar {
    display: flex;
    align-items: stretch;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    height: var(--sheet-tabs-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-secondary);
    box-shadow: inset 0 1px 0 0 var(--bg-component);
    padding: 0 4px;
    gap: 0;
    flex-shrink: 0;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: visible;
}

/* ===== Navigation group ===== */
.fx-sheet-tabs__nav-group {
    display: flex;
    align-items: center;
    gap: 0;
    margin-right: 2px;
    flex-shrink: 0;
    align-self: center;
}

.fx-sheet-tabs__nav-btn {
    margin-top: 4px;
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.fx-sheet-tabs__nav-btn:hover:not(:disabled) {
    background: var(--bg-tab-hover);
    color: var(--text-secondary);
}

.fx-sheet-tabs__nav-btn:active:not(:disabled) {
    transform: scale(0.85);
}

.fx-sheet-tabs__nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.fx-sheet-tabs__nav-btn svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    stroke: currentColor;
}

.fx-sheet-tabs__divider {
    width: 1px;
    height: 14px;
    background: var(--border-secondary);
    margin: 0 3px;
    flex-shrink: 0;
    align-self: center;
}

/* ===== Scroll area ===== */
.fx-sheet-tabs__scroll {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    display: flex;
    align-items: flex-end;
    overscroll-behavior-x: contain;
    scroll-behavior: smooth;
}

.fx-sheet-tabs__scroll::-webkit-scrollbar {
    display: none;
}

.fx-sheet-tabs__row {
    display: flex;
    align-items: flex-end;
    min-width: max-content;
    height: 100%;
    gap: 1px;
    padding: 0 2px;
}

/* ===== Tab ===== */
.fx-sheet-tabs__tab {
    display: flex;
    align-items: center;
    height: 28px;
    padding: 0 16px 0 10px;
    background: var(--bg-tab);
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex-shrink: 0;
    user-select: none;
    min-width: 50px;
    max-width: calc(var(--space-2xl) * 3 + var(--space-sm));
    margin-bottom: -1px;
}

.fx-sheet-tabs__tab:hover {
    background: var(--hover);
    color: var(--text-secondary);
    border-color: var(--border-secondary);
    border-bottom-color: transparent;
}

.fx-sheet-tabs__tab.is-active {
    background: var(--bg-component);
    color: var(--text-primary);
    font-weight: 600;
    border-color: var(--border-secondary);
    border-bottom-color: var(--bg-component);
    z-index: var(--z-cell-selected);
}

.fx-sheet-tabs__tab-active-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px 3px 0 0;
    box-shadow: 0 0 8px var(--primary-light);
    opacity: 0;
    transform: scaleX(0.5);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.fx-sheet-tabs__tab.is-active .fx-sheet-tabs__tab-active-bar {
    opacity: 1;
    transform: scaleX(1);
}

.fx-sheet-tabs__tab-color-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fx-sheet-tabs__tab.is-active .fx-sheet-tabs__tab-color-dot {
    transform: scale(1.15);
    box-shadow: 0 0 6px currentColor;
}

.fx-sheet-tabs__tab-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
    line-height: 22px;
    transition: color 0.15s ease;
    margin-left: 6px;
    margin-right: 4px;
}

/* ===== Sheet list ===== */
.fx-sheet-tabs__list-wrap {
    position: relative;
    flex: 0 0 auto;
    margin-right: var(--space-xs);
    max-height: var(--sheet-tabs-list-max-height);
    overflow: visible;
}

.fx-sheet-tabs__sheet-list {
    position: absolute;
    z-index: var(--z-dropdown);
    bottom: calc(100% + var(--space-xs));
    right: var(--space-xs);
    left: auto;
    display: none;
    width: calc(var(--space-2xl) * 4);
    max-height: min(
        var(--sheet-tabs-list-max-height),
        calc(100vh - var(--sheet-tabs-height) - var(--space-xl))
    );
    padding: var(--space-xs);
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-color: var(--scrollbar-thumb) transparent;
    scrollbar-width: thin;
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
}

.fx-sheet-tabs__sheet-list.is-visible {
    display: grid;
    gap: var(--control-border-width);
}

.fx-sheet-tabs__sheet-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    width: 100%;
    min-width: 0;
    height: calc(var(--sheet-tabs-height) - var(--space-sm));
    padding: 0 var(--space-sm);
    overflow: hidden;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-xs);
    text-align: left;
}

.fx-sheet-tabs__sheet-list-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-sheet-tabs__sheet-list-item:hover,
.fx-sheet-tabs__sheet-list-item:focus-visible,
.fx-sheet-tabs__sheet-list-item.is-active {
    outline: none;
    background: var(--primary-light);
    color: var(--primary-color);
}

.fx-sheet-tabs__tab-close {
    appearance: none;
    padding: 0;
    border: 0;
    background: transparent;
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%) scale(0.8);
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    border-radius: 3px;
    color: var(--text-muted);
    opacity: 0;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: var(--z-resize-handle);
    cursor: pointer;
}

.fx-sheet-tabs__tab-close.is-hidden {
    display: none;
}

.fx-sheet-tabs__tab-close svg {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
}

.fx-sheet-tabs__tab:hover .fx-sheet-tabs__tab-close {
    opacity: 0.6;
    transform: translateY(-50%) scale(1);
}

.fx-sheet-tabs__tab-close:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.15);
    background: var(--error-light);
    color: var(--error-color);
}

.fx-sheet-tabs__tab.is-active .fx-sheet-tabs__tab-close {
    opacity: 0.3;
}

.fx-sheet-tabs__tab.is-active:hover .fx-sheet-tabs__tab-close {
    opacity: 0.7;
    transform: translateY(-50%) scale(1);
}

/* ===== Rename input ===== */
.fx-sheet-tabs__tab-rename-input {
    width: 100%;
    height: 20px;
    border: 1px solid var(--primary-color);
    border-radius: 3px;
    background: var(--bg-component);
    color: var(--text-title);
    font-size: 11px;
    font-family: var(--font-family);
    font-weight: 500;
    padding: 0 4px;
    outline: none;
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light), var(--shadow-1);
    min-width: 40px;
    transition: all 0.2s ease;
}

.fx-sheet-tabs__tab-rename-input:focus {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light), var(--shadow-2);
}

/* ===== Add button ===== */
.fx-sheet-tabs__add-btn {
    width: 22px;
    height: 22px;
    border: 1px dashed var(--border-secondary);
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-left: 3px;
    align-self: center;
    margin-right: 4px;
}

.fx-sheet-tabs__add-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.fx-sheet-tabs__add-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
    box-shadow: 0 2px 8px var(--primary-light);
}

.fx-sheet-tabs__add-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.92);
}

.fx-sheet-tabs__add-btn:disabled {
    border-color: var(--border-disabled);
    background: var(--bg-disabled);
    color: var(--text-disabled);
    cursor: default;
    box-shadow: none;
}

/* ===== Tools ===== */
.fx-sheet-tabs__tools {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: 2px;
    flex-shrink: 0;
    align-self: center;
}

.fx-sheet-tabs__tool-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.fx-sheet-tabs__tool-btn svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.fx-sheet-tabs__tool-btn:hover {
    background: var(--bg-component);
    color: var(--text-secondary);
}

/* ===== Context menu ===== */
.fx-sheet-tabs__ctx-menu {
    position: fixed;
    z-index: var(--z-dropdown);
    background: var(--bg-component);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-2);
    min-width: 170px;
    padding: 3px 0;
    font-size: 11px;
    display: none;
}
.fx-sheet-tabs__ctx-menu.is-visible {
    display: block;
}

.fx-sheet-tabs__ctx-item {
    appearance: none;
    box-sizing: border-box;
    width: calc(100% - 6px);
    border: 0;
    background: transparent;
    font: inherit;
    text-align: left;
    padding: 6px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    transition: all 0.12s ease;
    border-radius: 4px;
    margin: 0 3px;
}

.fx-sheet-tabs__ctx-item svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.fx-sheet-tabs__ctx-item:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.fx-sheet-tabs__ctx-item--danger {
    color: var(--error-color);
}

.fx-sheet-tabs__ctx-item--danger:hover {
    background: var(--error-light);
    color: var(--error-color);
}

.fx-sheet-tabs__ctx-item.is-disabled,
.fx-sheet-tabs__ctx-item.is-disabled:hover,
.fx-sheet-tabs__ctx-item:disabled,
.fx-sheet-tabs__ctx-item:disabled:hover {
    background: transparent;
    color: var(--text-disabled);
    cursor: default;
}

.fx-sheet-tabs__ctx-item.is-disabled .fx-sheet-tabs__ctx-shortcut {
    color: var(--text-disabled);
}

.fx-sheet-tabs__ctx-shortcut {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 10px;
    font-family: var(--font-family);
}

.fx-sheet-tabs__ctx-divider {
    height: 1px;
    background: var(--border-color);
    margin: 3px 8px;
}

.fx-sheet-tabs__ctx-colors {
    padding: 6px 10px;
}

.fx-sheet-tabs__ctx-colors-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.fx-sheet-tabs__ctx-color-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.fx-sheet-tabs__ctx-color-swatch {
    appearance: none;
    padding: 0;
    width: 15px;
    height: 15px;
    border-radius: 3px;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all 0.12s ease;
}

.fx-sheet-tabs__ctx-color-swatch:hover {
    transform: scale(1.3);
    border-color: var(--text-secondary);
    box-shadow: var(--shadow-1);
}

.fx-sheet-tabs__ctx-color-swatch--no-color {
    background: var(--bg-secondary) !important;
    position: relative;
}

.fx-sheet-tabs__ctx-color-swatch--no-color::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -1px;
    right: -1px;
    height: 1px;
    background: var(--error-color);
    transform: rotate(-45deg);
}

.fx-sheet-tabs__ctx-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--z-dropdown) - 1);
    background: transparent;
    display: none;
}
.fx-sheet-tabs__ctx-overlay.is-visible {
    display: block;
}

@media (max-width: 480px) {
    .fx-sheet-tabs__bar {
        padding-right: var(--space-xs);
        padding-left: var(--space-xs);
    }

    .fx-sheet-tabs__nav-btn--edge {
        display: none;
    }

    .fx-sheet-tabs__tab {
        max-width: calc(var(--space-2xl) * 2 + var(--space-md));
    }
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Component: input-number
 * Source:    src/components/input_number.rs
 * Block:     .fx-input-number
 * Convention:
 *   .fx-input-number              block
 *   .fx-input-number__<elem>      element
 *   .fx-input-number--<modifier>  variant (size / layout / variant)
 *   .is-focused / .is-disabled / .is-error / .is-active   state
 * ============================================================ */

/* ===== Block ===== */
.fx-input-number {
    position: relative;
    display: inline-flex;
    align-items: stretch;
    background: var(--bg-component);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-base);
    box-shadow: var(--shadow-1);

    /* CSS Custom Properties for component sizing */
    --input-height: 40px;
    --step-btn-width: 34px;
    --step-btn-height: calc(var(--input-height) / 2);
}

/* ===== Size variants ===== */
.fx-input-number--sm {
    --input-height: 26px;
    --step-btn-width: 28px;
}

.fx-input-number--lg {
    --input-height: 48px;
    --step-btn-width: 40px;
}

/* ===== State ===== */
.fx-input-number:hover {
    border-color: var(--primary-color);
}

.fx-input-number.is-focused {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}

.fx-input-number.is-disabled {
    opacity: 0.45;
    pointer-events: none;
    background: var(--bg-secondary);
}

.fx-input-number.is-error {
    border-color: var(--error-color);
}

.fx-input-number.is-error.is-focused {
    box-shadow: 0 0 0 var(--focus-ring-width) var(--error-light);
}

/* ===== Variant: borderless ===== */
.fx-input-number--borderless {
    border-color: transparent;
    box-shadow: none;
}

.fx-input-number--borderless:hover {
    border-color: var(--border-color);
}

.fx-input-number--borderless.is-focused {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}

/* ===== Variant: filled ===== */
.fx-input-number--filled {
    border-color: transparent;
    background: var(--bg-secondary);
}

.fx-input-number--filled:hover {
    background: var(--primary-light);
    border-color: transparent;
}

.fx-input-number--filled.is-focused {
    background: var(--bg-component);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}

.fx-input-number--filled .fx-input-number__step-group {
    border-left-color: var(--border-split);
}

.fx-input-number--filled .fx-input-number__step-btn:first-child {
    border-bottom-color: var(--border-split);
}

/* ===== Prefix & Suffix ===== */
.fx-input-number__prefix,
.fx-input-number__suffix {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    white-space: nowrap;
    user-select: none;
}

.fx-input-number__prefix {
    padding-left: var(--space-sm);
}

.fx-input-number__suffix {
    padding-right: var(--space-xs);
    font-size: var(--font-size-xs);
}

/* ===== Input control ===== */
.fx-input-number__control {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

.fx-input-number__control input {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--space-xs);
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-title);
    font-size: inherit;
    font-weight: 500;
    text-align: center;
    -moz-appearance: textfield;
}

.fx-input-number__control input::-webkit-outer-spin-button,
.fx-input-number__control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.fx-input-number__control input::placeholder {
    color: var(--text-secondary);
    font-weight: 400;
}

.fx-input-number__control input:read-only {
    cursor: default;
}

/* ===== Step button group ===== */
.fx-input-number__step-group {
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
    transition: border-color var(--transition-base);
}

.fx-input-number.is-focused .fx-input-number__step-group {
    border-left-color: var(--primary-light-hover);
}

.fx-input-number__step-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--step-btn-width);
    height: var(--step-btn-height);
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.fx-input-number__step-btn:first-child {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast), border-color var(--transition-base);
}

.fx-input-number.is-focused .fx-input-number__step-btn:first-child {
    border-bottom-color: var(--primary-light-hover);
}

.fx-input-number__step-btn:hover:not(.is-disabled) {
    background: var(--primary-light);
    color: var(--primary-color);
}

.fx-input-number__step-btn:active:not(.is-disabled) {
    background: var(--primary-light-hover);
    transform: scale(0.92);
}

.fx-input-number__step-btn.is-disabled {
    color: var(--text-disabled);
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== Layout: horizontal ===== */
.fx-input-number--horizontal {
    flex-direction: row-reverse;
}

.fx-input-number--horizontal .fx-input-number__step-group {
    flex-direction: row;
    border-left: none;
}
.fx-input-number--horizontal .fx-input-number__step-btn {
    border-bottom: none;
    border-right: 1px solid var(--border-color);
}

.fx-input-number--horizontal .fx-input-number__step-btn {
    width: var(--step-btn-width);
    height: var(--input-height);
}
.fx-input-number--horizontal.is-focused .fx-input-number__step-btn {
    border-right-color: var(--primary-light-hover);
}

/* ===== Error message ===== */
.fx-input-number__error {
    position: absolute;
    bottom: -22px;
    left: 0;
    font-size: var(--font-size-xs);
    color: var(--error-color);
    white-space: nowrap;
    animation: fx-input-number-shake 0.35s ease;
}

/* ===== Value flash ===== */
.fx-input-number__flash {
    position: absolute;
    inset: 0;
    background: var(--primary-light);
    opacity: 0;
    pointer-events: none;
    border-radius: inherit;
    transition: opacity 0.3s ease;
}

.fx-input-number__flash.is-active {
    opacity: 1;
    animation: fx-input-number-flash 0.4s ease forwards;
}

/* ===== Animations ===== */
@keyframes fx-input-number-flash {
    from { opacity: 0.6; }
    to   { opacity: 0; }
}

@keyframes fx-input-number-shake {
    0%, 100% { transform: translateX(0); }
    20%       { transform: translateX(-4px); }
    40%       { transform: translateX(4px); }
    60%       { transform: translateX(-2px); }
    80%       { transform: translateX(2px); }
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================================================
 * Component: dropdown-menu (通用下拉菜单)
 * Used by:   MergeMenu, FreezeMenu (toolbar.rs)
 * Prefix:    .fx-dropdown
 * ============================================================ */

/* ===== Wrapper ===== */
.fx-dropdown-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
}

/* ===== Trigger button ===== */
.fx-dropdown-trigger-btn {
    display: flex;
    align-items: center;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    background: transparent;
    transition: all 0.1s;
    padding: 0;
    overflow: hidden;
    color: var(--text-primary);
    font: inherit;
}
.fx-dropdown-trigger-btn:hover {
    background: var(--menu-item-hover, #E1E1E1);
    border-color: var(--border-secondary, #aaa);
}
.fx-dropdown-trigger-btn.is-open,
.fx-dropdown-trigger-btn.is-active {
    /* background: var(--bg-component-pressed, #c8c8c8);*/
    background: var(--menu-item-active, #c8c8c8);
    border-color: var(--border-secondary, #aaa);
}
.fx-dropdown-trigger-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.fx-dropdown-trigger-preview {
    width: 28px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.fx-dropdown-trigger-preview svg {
    width: 18px;
    height: 14px;
}
.fx-dropdown-trigger-arrow {
    width: 12px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid transparent;
    flex-shrink: 0;
}
.fx-dropdown-trigger-btn:hover .fx-dropdown-trigger-arrow,
.fx-dropdown-trigger-btn.is-open .fx-dropdown-trigger-arrow {
    border-left-color: var(--border-secondary, #aaa);
}
.fx-dropdown-trigger-arrow svg {
    width: 10px;
    height: 6px;
}

/* ===== Overlay ===== */
.fx-dropdown-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-dropdown, 599);
}
.fx-dropdown-overlay.is-visible {
    display: block;
}

/* ===== Panel ===== */
.fx-dropdown-panel {
    position: fixed;
    z-index: calc(var(--z-dropdown, 599) + 1);
    background: var(--bg-component, #ffffff);
    border: 1px solid var(--border-color, #bfbfbf);
    box-shadow: var(--shadow-2);
    border-radius: 6px;
    min-width: 220px;
    padding: 6px 0;
    max-height: calc(100vh - var(--space-xl));
    overflow-y: auto;
    animation: fxDropdownFadeIn 0.14s ease-out;
}

/* Chart types share the generic toolbar menu but exceed a practical viewport
 * height. Keep the list independently scrollable so wheel gestures never
 * reach the worksheet behind the open menu. */
.fx-dropdown-panel--scrollable {
    max-height: min(
        calc(var(--toolbar-height) * 11),
        calc(100vh - var(--space-xl))
    );
    overflow-x: hidden;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}
@keyframes fxDropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== Menu item ===== */
.fx-dropdown-item {
    display: flex;
    align-items: center;
    padding: 8px 14px 8px 12px;
    cursor: pointer;
    transition: background 0.08s;
    font-size: 12px;
    gap: 12px;
    white-space: nowrap;
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    font-family: inherit;
    text-align: left;
}
.fx-dropdown-item:hover,
.fx-dropdown-item:focus-visible {
    background: var(--hover, #dce7f5);
    outline: none;
}
.fx-dropdown-item-icon {
    width: 24px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-title, #1b1b1b);
}
.fx-dropdown-item-icon svg {
    width: 18px;
    height: 14px;
}
.fx-dropdown-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.fx-dropdown-item-label {
    color: var(--text-title, #1b1b1b);
    font-size: 12px;
}
.fx-dropdown-item-desc {
    color: var(--text-secondary, #6a6a6a);
    font-size: 10px;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* Color Picker Component Styles */
.cg { position: relative; display: inline-block; }

/* ---- Trigger ---- */
.cg-trigger {
    display: flex; flex-direction: column; align-items: center;
    cursor: pointer; padding: 2px 6px; border-radius: var(--radius-md, 4px);
    transition: var(--transition-fast, .15s);
}
.cg-trigger:hover { background: var(--bg-secondary, #f5f5f5); }
.cg-trigger-host.is-disabled,
.cg-trigger.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.cg-trigger-text {
    font-size: 15px; font-weight: 600; line-height: 1.2;
    color: var(--text-title, rgba(0,0,0,0.88));
}
.cg-trigger-bar {
    width: 100%; height: 4px; border-radius: 1px; margin-top: 2px;
}

/* ---- Panel ---- */
.cg-panel {
    position: absolute; top: calc(100% + 4px); left: 0; z-index: var(--z-dropdown);
    width: 224px;
    background: var(--bg-component, #fff);
    border-radius: var(--radius-lg, 6px);
    box-shadow: var(--shadow-3, 0 6px 16px rgba(0,0,0,.08));
    border: 1px solid var(--border-color, #d9d9d9);
    opacity: 0; visibility: hidden;
    transform: translateY(-4px) scale(0.98);
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}
.cg-panel.show {
    opacity: 1; visibility: visible;
    transform: translateY(0) scale(1);
}
.cg-panel-body { padding: 10px 10px 6px; }

/* ---- Top Options ---- */
.cg-options {
    display: flex; align-items: center; gap: 6px; margin-bottom: 8px;
}
.cg-hc-label {
    display: flex; align-items: center; gap: 4px;
    cursor: pointer; font-size: 11px;
    color: var(--text-primary, rgba(0,0,0,0.65));
    user-select: none;
}
.cg-hc-label input[type="checkbox"] {
    width: 13px; height: 13px; cursor: pointer;
}
.cg-no-fill {
    width: 100%;
    display: flex; align-items: center; gap: 4px;
    padding: 3px 7px; border-radius: var(--radius-sm, 3px);
    border: 1px solid var(--border-color, #d9d9d9);
    background: var(--bg-component, #fff);
    cursor: pointer; transition: var(--transition-fast, .12s);
    margin-left: auto;
    font-size: 11px; font-family: inherit; font-weight: 500;
    color: var(--text-primary, rgba(0,0,0,0.65));
}
.cg-no-fill:hover { border-color: var(--primary-color, #1677ff); }
.cg-no-fill.selected { border-color: var(--primary-color); background: var(--primary-light); }
.cg-no-fill-icon {
    width: 14px; height: 14px; position: relative;
    display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cg-no-fill-text {
    display: inline-flex; align-items: center; justify-content: center; flex:1;
}
.cg-no-fill-icon::before {
    content: ''; position: absolute;
    width: 12px; height: 12px;
    border: 1.5px solid var(--text-secondary, rgba(0,0,0,0.45));
    border-radius: 1px; background: var(--bg-component);
}
.cg-no-fill-icon::after {
    content: ''; position: absolute;
    width: 16px; height: 1.5px;
    background: var(--error-color);
    transform: rotate(-45deg); z-index: var(--z-base);
}

/* ---- Group Titles ---- */
.cg-group-title {
    font-size: 10px; font-weight: 600;
    color: var(--text-secondary, rgba(0,0,0,0.45));
    margin-bottom: 4px; margin-top: 8px; letter-spacing: 0.2px;
}
.cg-group-title:first-of-type { margin-top: 0; }

/* ---- Theme Colors Grid ---- */
.cg-theme-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 1.5px; margin-bottom: 2px;
}
.cg-swatch {
    aspect-ratio: 1;
    border-radius: 1.5px; cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.1s ease; position: relative;
    padding: 0;
    min-width: 0;
}
.cg-swatch:hover {
    transform: scale(1.35); z-index: var(--z-cell-selected);
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    border-color: rgba(255,255,255,0.7);
}
.cg-swatch.selected {
    border-color: var(--text-title, rgba(0,0,0,0.88));
    box-shadow: 0 0 0 1px var(--bg-component, #fff), 0 0 0 2px var(--text-title, rgba(0,0,0,0.88));
    transform: scale(1.2); z-index: var(--z-base);
}
.cg-swatch:focus-visible,
.cg-sswatch:focus-visible {
    outline: var(--focus-ring-width) solid var(--primary-color);
    outline-offset: var(--control-border-width);
    z-index: var(--z-resize-handle);
}
.cg-swatch:disabled,
.cg-sswatch:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* ---- Standard Colors Row ---- */
.cg-standard-row {
    display: flex; gap: 2px; margin-bottom: 2px;
}
.cg-sswatch {
    width: 18px; height: 18px;
    border-radius: 1.5px; cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.1s ease; flex-shrink: 0;
    padding: 0;
}
.cg-sswatch:hover {
    transform: scale(1.25); z-index: var(--z-cell-selected);
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.cg-sswatch.selected {
    border-color: var(--text-title, rgba(0,0,0,0.88));
    box-shadow: 0 0 0 1px var(--bg-component, #fff), 0 0 0 2px var(--text-title, rgba(0,0,0,0.88));
    transform: scale(1.15);
}

/* ---- More Colors Button ---- */
.cg-more-btn {
    display: flex; align-items: center; gap: 5px;
    width: 100%; padding: 6px 0;
    border: none; border-top: 1px solid var(--border-color, #d9d9d9);
    background: var(--bg-component, #fff);
    color: var(--text-primary, rgba(0,0,0,0.65));
    font-family: inherit; font-size: 11px; font-weight: 500;
    cursor: pointer; justify-content: center;
    transition: var(--transition-fast, .12s);
}
.cg-more-btn:hover {
    background: var(--bg-secondary, #f5f5f5);
    color: var(--primary-color, #1677ff);
}
.cg-more-btn svg {
    width: 12px; height: 12px;
    fill: var(--primary-color, #1677ff);
}

/* ---- Overlay ---- */
.cg-overlay {
    position: fixed; inset: 0; z-index: calc(var(--z-dropdown) - 1);
    display: none;
}
.cg-overlay.show { display: block; }

/* ---- Custom Modal ---- */
.cg-modal {
    position: fixed; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-mask, rgba(0,0,0,0.45));
    z-index: var(--z-modal);
    opacity: 0; visibility: hidden;
    transition: all 0.2s ease;
}
.cg-modal.show { opacity: 1; visibility: visible; }
.cg-modal-card {
    background: var(--bg-component, #fff);
    border-radius: var(--radius-lg, 8px);
    box-shadow: var(--shadow-3);
    padding: 20px 24px; width: 310px;
    transform: scale(0.92);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.cg-modal.show .cg-modal-card { transform: scale(1); }
.cg-modal-card h3 {
    font-size: 14px; font-weight: 600;
    color: var(--text-title, rgba(0,0,0,0.88));
    margin-bottom: 14px;
}

/* Hue Bar */
.cg-hue-bar {
    width: 100%; height: 16px; border-radius: 8px;
    background: linear-gradient(to right, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000);
    cursor: crosshair; position: relative;
    border: 1px solid var(--border-color, #d9d9d9);
    margin-bottom: 14px;
}
.cg-hue-thumb {
    position: absolute; top: -3px;
    width: 6px; height: 22px;
    background: var(--bg-component); border: 2px solid var(--text-primary);
    border-radius: 3px;
    transform: translateX(-50%);
    pointer-events: none;
}

/* Hex Row */
.cg-hex-row {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 14px;
}
.cg-hex-row label {
    font-size: 12px;
    color: var(--text-secondary, rgba(0,0,0,0.45));
    font-weight: 500; width: 55px;
}
.cg-hex-input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color, #d9d9d9);
    border-radius: var(--radius-md, 4px);
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-title, rgba(0,0,0,0.88));
    outline: none;
    transition: border-color 0.15s;
}
.cg-hex-input:focus { border-color: var(--primary-color, #1677ff); }
.cg-preview-dot {
    width: 34px; height: 34px; border-radius: var(--radius-md, 4px);
    border: 2px solid var(--border-color, #d9d9d9);
    transition: background 0.15s; flex-shrink: 0;
}

/* Modal Actions */
.cg-modal-actions {
    display: flex; gap: 8px; justify-content: flex-end;
}
.cg-modal-btn {
    padding: 6px 18px; border-radius: var(--radius-md, 4px);
    font-family: inherit; font-size: 12px; font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color, #d9d9d9);
    background: var(--bg-component, #fff);
    color: var(--text-primary, rgba(0,0,0,0.65));
    transition: var(--transition-fast, .12s);
}
.cg-modal-btn:hover { background: var(--bg-secondary, #f5f5f5); }
.cg-modal-btn.primary {
    background: var(--primary-color, #1677ff);
    color: var(--text-on-primary); border-color: var(--primary-color);
}
.cg-modal-btn.primary:hover { background: var(--primary-hover, #4096ff); }

/* ---- Inline Mode ---- */
.cg-inline {
    /* Container for inline color grid (no trigger/panel wrapper) */
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ===== Border Menu Component Styles ===== */

/* ===== 边框按钮包装器 ===== */
.bm-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
}
.bm-wrapper.is-disabled {
    opacity: 0.5;
}

/* ===== 触发按钮（左右样式） ===== */
.bm-trigger-btn {
    display: flex;
    align-items: center;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    background: transparent;
    transition: all 0.1s;
    padding: 0;
    overflow: hidden;
    color: var(--text-primary);
}
.bm-trigger-btn:hover {
    background: var(--menu-item-hover);
    border-color: var(--border-color);
}
.bm-trigger-btn.open {
    background: var(--primary-light, #d2e2f5);
    border-color: var(--border-color);
}
.bm-trigger-preview {
    appearance: none;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    width: 28px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bm-trigger-preview svg {
    width: 20px;
    height: 16px;
}
.bm-trigger-arrow {
    appearance: none;
    padding: 0;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    width: 12px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid transparent;
    flex-shrink: 0;
}
.bm-trigger-btn:hover .bm-trigger-arrow {
    border-left-color: var(--border-color);
}
.bm-trigger-btn.open .bm-trigger-arrow {
    border-left-color: var(--border-color);
}
.bm-trigger-arrow svg {
    width: 10px;
    height: 6px;
}
.bm-trigger-preview:disabled,
.bm-trigger-arrow:disabled {
    cursor: not-allowed;
}

/* ===== 遮罩 ===== */
.bm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-dropdown) - 1);
}
.bm-overlay.show {
    display: block;
}

/* ===== 下拉菜单 ===== */
.bm-panel {
    position: fixed;
    z-index: var(--z-dropdown);
    background: var(--bg-component, #ffffff);
    border: 1px solid var(--border-color, #bfbfbf);
    box-shadow: var(--shadow-2);
    border-radius: 6px;
    min-width: 226px;
    padding: 6px 0;
    overflow: visible;
    animation: bmFadeIn 0.14s ease-out;
}
@keyframes bmFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== 预览条 ===== */
.bm-preview-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    border-radius: 6px 6px 0 0;
}
.bm-preview-label {
    font-size: 11px;
    color: var(--text-secondary, #6a6a6a);
    white-space: nowrap;
}
.bm-preview-line {
    flex: 1;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bm-preview-line svg {
    width: 90px;
}
.bm-preview-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: inset 0 0 0 var(--control-border-width) var(--bg-component);
}

/* ===== 图标网格 ===== */
.bm-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
    padding: 10px 12px 8px;
}
.bm-grid-item {
    appearance: none;
    width: 44px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
    transition: all 0.1s;
}
.bm-grid-item:hover {
    background: var(--hover, #dce7f5);
    border-color: var(--primary-light-hover);
}
.bm-grid-item.active {
    background: var(--primary-light, #d2e2f5);
    border-color: var(--primary-color);
}
.bm-grid-item svg {
    width: 28px;
    height: 18px;
}

/* ===== 分隔线 ===== */
.bm-sep {
    height: 1px;
    background: var(--border-color, #cdcdcd);
    margin: 4px 12px;
}

/* ===== 菜单项 ===== */
.bm-item {
    appearance: none;
    box-sizing: border-box;
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    display: flex;
    align-items: center;
    padding: 6px 14px 6px 12px;
    cursor: pointer;
    transition: background 0.08s;
    font-size: 12px;
    gap: 10px;
    white-space: nowrap;
}
.bm-item:hover {
    background: var(--hover, #dce7f5);
}
.bm-item.active {
    background: var(--primary-light, #d2e2f5);
}
.bm-item.has-sub {
    position: relative;
    overflow: visible;
}
.bm-item.has-sub:hover {
    background: var(--hover);
}
.bm-item-icon {
    width: 26px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bm-item-icon svg {
    width: 24px;
    height: 14px;
}
.bm-item-label {
    flex: 1;
    color: var(--text-title, #1b1b1b);
}
.bm-item-arrow {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 6px;
}
.bm-item-arrow svg {
    width: 8px;
    height: 8px;
}

/* ===== 二级子菜单 ===== */
.bm-submenu {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    left: calc(100% + 4px);
    top: -8px;
    background: var(--bg-component, #ffffff);
    border: 1px solid var(--border-color, #bfbfbf);
    box-shadow: var(--shadow-2);
    border-radius: 6px;
    z-index: calc(var(--z-dropdown) + 1);
    min-width: 210px;
    padding: 6px 0;
    overflow: visible;
    transition: visibility 0.1s, opacity 0.1s;
}
.bm-item.has-sub:hover > .bm-submenu {
    visibility: visible;
    opacity: 1;
}
.bm-item.has-sub:hover {
    background: var(--hover, #dce7f5);
}

/* ===== 线型选项 ===== */
.bm-ls-item {
    appearance: none;
    box-sizing: border-box;
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    display: flex;
    align-items: center;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.08s;
    gap: 14px;
    position: relative;
}
.bm-ls-item:hover {
    background: var(--hover, #dce7f5);
}
.bm-ls-item.active {
    background: var(--primary-light, #d2e2f5);
}
.bm-ls-item.active::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary-color, #1d7d47);
}
.bm-ls-preview {
    width: 90px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bm-ls-preview svg {
    width: 90px;
}
.bm-ls-label {
    font-size: 11px;
    color: var(--text-secondary, #6a6a6a);
    white-space: nowrap;
}
.bm-ls-item.active .bm-ls-label {
    color: var(--primary-color, #1d7d47);
    font-weight: 600;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */


/* ============================================================
 * Component: format-menu
 * Source:    src/components/format_menu.rs
 * Note:      Follows border-menu.css/dropdown-menu.css
 *            toolbar-button convention: transparent bg,
 *            theme-token hover.
 * ============================================================ */

/* ===== Wrapper ===== */
.fm-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
}
.fm-wrapper.is-disabled {
    opacity: 0.5;
}

/* ===== Trigger button ===== */
.fm-trigger-btn {
    display: flex;
    align-items: stretch;
    height: 26px;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    background: transparent;
    transition: all 0.1s;
    padding: 0;
    overflow: hidden;
}
.fm-trigger-btn:hover {
    background: var(--menu-item-hover, #E1E1E1);
    border-color: var(--border-secondary, #aaa);
}
.fm-trigger-btn.open {
    background: var(--menu-item-active, #c8c8c8);
    border-color: var(--border-secondary, #aaa);
}

.fm-trigger-preview {
    appearance: none;
    border: 0;
    background: transparent;
    font: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    /*height: 26px;*/
    padding: 0 6px;
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
}
.fm-trigger-preview .icon {
    width: 16px;
    height: 16px;
}
.fm-trigger-label {
    margin-left: 4px;
    font-size: 11px;
    color: var(--text-primary);
    user-select: none;
}

.fm-trigger-arrow {
    appearance: none;
    padding: 0;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 26px;
    border-left: 1px solid transparent;
    flex-shrink: 0;
    color: var(--text-secondary);
}
.fm-trigger-btn:hover .fm-trigger-arrow,
.fm-trigger-btn.open .fm-trigger-arrow {
    border-left-color: var(--border-secondary, #aaa);
}
.fm-trigger-arrow svg {
    width: 10px;
    height: 6px;
}
.fm-trigger-preview:disabled,
.fm-trigger-arrow:disabled {
    cursor: not-allowed;
}

/* ===== Overlay ===== */
.fm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-dropdown, 599) - 1);
}
.fm-overlay.show {
    display: block;
}

/* ===== Panel ===== */
.fm-panel {
    position: fixed;
    display: flex;
    flex-direction: column;
    z-index: var(--z-dropdown, 600);
    background: var(--bg-component, #ffffff);
    border: 1px solid var(--border-color, #bfbfbf);
    box-shadow: var(--shadow-2, 0 4px 18px rgba(0, 0, 0, 0.16));
    border-radius: 6px;
    min-width: 220px;
    max-width: 270px;
    max-height: 480px;
    overflow: hidden;
    padding: 0;
    animation: fmFadeIn 0.14s ease-out;
}
@keyframes fmFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== Preview bar ===== */
.fm-preview-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--hover, #f4f7fc);
    border-top: 1px solid var(--border-secondary, #e0e6f0);
    border-bottom: 1px solid var(--border-secondary, #e0e6f0);
    margin-bottom: 2px;
}
.fm-panel__header {
    flex: 0 0 auto;
}
.fm-panel__body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}
.fm-preview-label {
    font-size: 11px;
    color: var(--text-secondary);
}
.fm-preview-value {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-title);
}

/* ===== Separator ===== */
.fm-sep {
    height: 1px;
    background: var(--border-split, #cdcdcd);
    margin: 4px 12px;
}

/* ===== List ===== */
.fm-list {
    display: flex;
    flex-direction: column;
}

/* ===== Menu item ===== */
.fm-item {
    appearance: none;
    box-sizing: border-box;
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 12px;
    cursor: pointer;
    transition: background 0.08s;
    user-select: none;
}
.fm-item:hover {
    background: var(--hover, #dce7f5);
}
.fm-item.active {
    background: var(--primary-light, #d2e2f5);
}
.fm-item.active .fm-item-label {
    color: var(--primary-color);
    font-weight: 500;
}

.fm-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 18px;
    flex-shrink: 0;
    color: var(--text-title);
}
.fm-item-icon svg {
    width: 16px;
    height: 16px;
}

.fm-item-label {
    font-size: 12px;
    color: var(--text-primary);
    flex: 1;
    white-space: nowrap;
}

.fm-item-code {
    font-size: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
    font-family: "Times New Roman", serif;
}

/* ===== fm-panel body scrollbar ===== */
.fm-panel__body::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}
.fm-panel__body::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
.fm-panel__body::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 0;
    border: 3px solid var(--scrollbar-track);
}
.fm-panel__body::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}
.fm-panel__body::-webkit-scrollbar-corner {
    background: var(--scrollbar-track);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* Excel-style cell context menu. */
.fx-cell-context-menu {
    position: fixed;
    z-index: var(--z-dropdown);
    width: 220px;
    max-height: min(336px, calc(100vh - var(--space-sm)));
    overflow-y: auto;
    padding: var(--space-xs) 0;
    background: var(--bg-elevated);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    color: var(--text-primary);
    outline: none;
}

.fx-cell-context-menu__item {
    appearance: none;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    min-height: 30px;
    padding: 5px var(--space-sm);
    border: 0;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-xs);
    text-align: left;
    cursor: pointer;
}

.fx-cell-context-menu__item:hover,
.fx-cell-context-menu__item:focus-visible {
    background: var(--menu-item-hover);
    color: var(--text-title);
    outline: none;
}

.fx-cell-context-menu__item:disabled,
.fx-cell-context-menu__item:disabled:hover {
    background: transparent;
    color: var(--text-disabled);
    cursor: not-allowed;
}

.fx-cell-context-menu__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    min-width: 22px;
    color: currentColor;
    font-size: var(--font-size-sm);
    text-align: center;
}

.fx-cell-context-menu__label {
    flex: 1;
    white-space: nowrap;
}

.fx-cell-context-menu__shortcut {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    white-space: nowrap;
}

.fx-cell-context-menu__item:disabled .fx-cell-context-menu__shortcut {
    color: var(--text-disabled);
}

.fx-cell-context-menu__separator {
    height: var(--control-border-width);
    margin: var(--space-xs) var(--space-sm);
    background: var(--border-split);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

.fx-filter-menu {
    position: fixed;
    z-index: var(--z-dropdown);
    display: flex;
    flex-direction: column;
    width: 248px;
    max-height: min(420px, calc(100vh - var(--space-md)));
    padding: var(--space-sm);
    box-sizing: border-box;
    overflow: hidden;
    background: var(--bg-elevated);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    outline: none;
}

.fx-filter-menu__search-row {
    padding-top: var(--space-sm);
}

.fx-filter-menu__search {
    appearance: none;
    width: 100%;
    height: var(--filter-menu-control-height);
    box-sizing: border-box;
    padding: 0 var(--space-sm);
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    color: var(--text-title);
    caret-color: var(--primary-color);
    font: inherit;
    transition: var(--transition-fast);
}

.fx-filter-menu__search::placeholder,
.fx-filter-menu__condition-value::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.fx-filter-menu__search::-webkit-search-cancel-button {
    cursor: pointer;
    opacity: 0.65;
}

.fx-filter-menu__search:hover,
.fx-filter-menu__operator:hover,
.fx-filter-menu__condition-value:hover {
    border-color: var(--primary-color);
}

.fx-filter-menu__search:focus,
.fx-filter-menu__operator:focus,
.fx-filter-menu__condition-value:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
    outline: none;
}

.fx-filter-menu__sort-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-xs);
    padding-bottom: var(--space-xs);
}

.fx-filter-menu__command {
    appearance: none;
    min-height: 28px;
    padding: var(--space-xs) var(--space-sm);
    overflow: hidden;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-filter-menu__command:last-child {
    grid-column: 1 / -1;
}

.fx-filter-menu__command:hover,
.fx-filter-menu__command:focus-visible {
    background: var(--menu-item-hover);
    color: var(--text-title);
    outline: none;
}

.fx-filter-menu__command:active {
    background: var(--menu-item-active);
}

.fx-filter-menu__mode,
.fx-filter-menu__join {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--control-border-width);
    padding: var(--control-border-width);
    background: var(--bg-secondary);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
}

.fx-filter-menu__mode-button,
.fx-filter-menu__join-button {
    appearance: none;
    min-height: 28px;
    padding: var(--space-xs) var(--space-sm);
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-filter-menu__mode-button:hover,
.fx-filter-menu__join-button:hover {
    color: var(--text-title);
}

.fx-filter-menu__mode-button.is-active,
.fx-filter-menu__join-button.is-active {
    background: var(--bg-component);
    color: var(--text-title);
    box-shadow: var(--shadow-1);
}

.fx-filter-menu__mode-button:focus-visible,
.fx-filter-menu__join-button:focus-visible {
    color: var(--text-title);
    outline: var(--focus-ring-width) solid var(--primary-color);
    outline-offset: calc(-1 * var(--control-border-width));
}

.fx-filter-menu__custom {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    min-height: calc(var(--filter-menu-control-height) * 5 + var(--space-sm));
    padding: var(--space-sm) 0;
}

.fx-filter-menu__condition {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-xs);
}

.fx-filter-menu__operator,
.fx-filter-menu__condition-value {
    box-sizing: border-box;
    min-width: 0;
    height: var(--filter-menu-control-height);
    padding: 0 var(--space-sm);
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    color: var(--text-title);
    font: inherit;
    transition: var(--transition-fast);
}

.fx-filter-menu__operator {
    color-scheme: inherit;
    cursor: pointer;
}

.fx-filter-menu__operator option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.fx-filter-menu__second-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-height: 28px;
    cursor: pointer;
    color: var(--text-primary);
    user-select: none;
    transition: var(--transition-fast);
}

.fx-filter-menu__second-toggle:hover {
    color: var(--text-title);
}

.fx-filter-menu__checkbox {
    appearance: none;
    position: relative;
    flex: 0 0 var(--filter-menu-checkbox-size);
    width: var(--filter-menu-checkbox-size);
    height: var(--filter-menu-checkbox-size);
    margin: 0;
    border: var(--control-border-width) solid var(--border-secondary);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-filter-menu__checkbox:hover {
    border-color: var(--primary-color);
}

.fx-filter-menu__checkbox:checked {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.fx-filter-menu__checkbox:checked::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--space-xs);
    height: calc(var(--space-sm) - var(--control-border-width));
    border: solid var(--text-on-primary);
    border-width: 0 var(--control-border-width) var(--control-border-width) 0;
    content: "";
    transform: translate(-50%, -60%) rotate(45deg);
}

.fx-filter-menu__checkbox:focus-visible {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
    outline: none;
}

.fx-filter-menu__quick-actions,
.fx-filter-menu__footer {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-xs) 0;
}

.fx-filter-menu__select-all {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-height: 28px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.fx-filter-menu__select-all:hover {
    color: var(--text-title);
}

.fx-filter-menu__selection-count {
    align-self: center;
    margin-left: auto;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-variant-numeric: tabular-nums;
}

.fx-filter-menu__action,
.fx-filter-menu__button {
    appearance: none;
    min-height: 28px;
    padding: var(--space-xs) var(--space-sm);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
}

.fx-filter-menu__action:hover,
.fx-filter-menu__button:hover:not(:disabled) {
    background: var(--menu-item-hover);
    color: var(--text-title);
}

.fx-filter-menu__action:active,
.fx-filter-menu__button:active:not(:disabled) {
    background: var(--menu-item-active);
}

.fx-filter-menu__action:focus-visible,
.fx-filter-menu__button:focus-visible {
    border-color: var(--primary-color);
    outline: var(--focus-ring-width) solid var(--primary-light);
    outline-offset: var(--control-border-width);
}

.fx-filter-menu__values {
    flex: 1;
    min-height: calc(var(--filter-menu-control-height) + var(--space-md));
    overflow: auto;
    border: var(--control-border-width) solid var(--border-secondary-light);
    border-radius: var(--radius-md);
    background: var(--bg-component);
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.fx-filter-menu__values::-webkit-scrollbar {
    width: var(--scrollbar-size);
}

.fx-filter-menu__values::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

.fx-filter-menu__values::-webkit-scrollbar-thumb {
    border-radius: var(--radius-full);
    background: var(--scrollbar-thumb);
}

.fx-filter-menu__values::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

.fx-filter-menu__empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--filter-menu-control-height);
    color: var(--text-muted);
    text-align: center;
}

.fx-filter-menu__value {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-height: 28px;
    padding: 0 var(--space-xs);
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.fx-filter-menu__value:hover,
.fx-filter-menu__value:has(.fx-filter-menu__checkbox:focus-visible) {
    background: var(--menu-item-hover);
}

.fx-filter-menu__value:has(.fx-filter-menu__checkbox:checked) {
    color: var(--text-title);
}

.fx-filter-menu__value-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-filter-menu__value-count {
    flex: 0 0 auto;
    padding-left: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-variant-numeric: tabular-nums;
}

.fx-filter-menu__value:has(.fx-filter-menu__checkbox:checked) .fx-filter-menu__value-count {
    color: var(--text-secondary);
}

.fx-filter-menu__footer {
    justify-content: flex-end;
    margin-top: var(--space-xs);
    border-top: var(--control-border-width) solid var(--border-split);
}

.fx-filter-menu__button--apply {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--text-on-primary);
}

.fx-filter-menu__button--apply:hover:not(:disabled) {
    border-color: var(--primary-hover);
    background: var(--primary-hover);
    color: var(--text-on-primary);
}

.fx-filter-menu__button--apply:active:not(:disabled) {
    border-color: var(--primary-active);
    background: var(--primary-active);
}

.fx-filter-menu input:disabled,
.fx-filter-menu select:disabled,
.fx-filter-menu button:disabled {
    border-color: var(--border-disabled);
    background: var(--bg-disabled);
    color: var(--text-disabled);
    cursor: not-allowed;
}

/* 表头筛选按钮悬停提示（画布外浮层） */
.fx-filter-tooltip {
    position: fixed;
    z-index: var(--z-dropdown);
    max-width: 220px;
    padding: var(--space-xs) var(--space-sm);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-2);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    line-height: 1.4;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

.fx-sort-dialog {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--bg-mask);
}

.fx-sort-dialog.is-visible {
    display: flex;
}

.fx-sort-dialog__panel {
    display: flex;
    flex-direction: column;
    width: min(var(--sort-dialog-width), calc(100vw - var(--space-xl)));
    max-height: min(var(--sort-dialog-max-height), calc(100vh - var(--space-xl)));
    overflow: hidden;
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    color: var(--text-primary);
    box-shadow: var(--shadow-3);
    outline: none;
}

.fx-sort-dialog__header,
.fx-sort-dialog__toolbar,
.fx-sort-dialog__footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
}

.fx-sort-dialog__header {
    justify-content: space-between;
    border-bottom: var(--control-border-width) solid var(--border-split);
}

.fx-sort-dialog__header h2 {
    color: var(--text-title);
    font-size: var(--font-size-lg);
    font-weight: 600;
    letter-spacing: 0;
}

.fx-sort-dialog__toolbar {
    justify-content: space-between;
    flex-wrap: wrap;
    border-bottom: var(--control-border-width) solid var(--border-split);
}

.fx-sort-dialog__header-option {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    min-height: var(--sort-dialog-control-height);
    cursor: pointer;
    user-select: none;
}

.fx-sort-dialog__header-option:has(input:disabled) {
    color: var(--text-disabled);
    cursor: default;
}

.fx-sort-dialog__levels {
    flex: 1;
    min-height: 0;
    padding: var(--space-sm) var(--space-md);
    overflow: auto;
}

.fx-sort-dialog__columns,
.fx-sort-dialog__level {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: var(--space-sm);
    align-items: center;
    min-width: var(--sort-dialog-level-min-width);
}

.fx-sort-dialog__columns {
    padding: 0 var(--space-xs) var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.fx-sort-dialog__level {
    padding: var(--space-sm) var(--space-xs);
    border-top: var(--control-border-width) solid var(--border-secondary-light);
}

.fx-sort-dialog__priority {
    min-width: 0;
    overflow: hidden;
    color: var(--text-secondary);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fx-sort-dialog__select {
    min-width: 0;
    min-height: var(--sort-dialog-control-height);
    height: var(--sort-dialog-control-height);
    padding: 0 var(--space-sm);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
}

.fx-sort-dialog__select:focus-visible,
.fx-sort-dialog__command:focus-visible,
.fx-sort-dialog__button:focus-visible,
.fx-sort-dialog__icon-button:focus-visible {
    outline: var(--focus-ring-width) solid var(--primary-light-hover);
    outline-offset: var(--control-border-width);
}

.fx-sort-dialog__level-actions,
.fx-sort-dialog__footer {
    display: flex;
    gap: var(--space-xs);
}

.fx-sort-dialog__footer {
    justify-content: flex-end;
    border-top: var(--control-border-width) solid var(--border-split);
}

.fx-sort-dialog__command,
.fx-sort-dialog__button,
.fx-sort-dialog__icon-button {
    min-height: var(--sort-dialog-control-height);
    border: var(--control-border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    cursor: pointer;
}

.fx-sort-dialog__command,
.fx-sort-dialog__button {
    padding: 0 var(--space-md);
}

.fx-sort-dialog__icon-button {
    width: var(--sort-dialog-icon-size);
    height: var(--sort-dialog-icon-size);
    padding: 0;
    font-size: var(--font-size-lg);
    line-height: 1;
}

.fx-sort-dialog__command:hover:not(:disabled),
.fx-sort-dialog__button:hover:not(:disabled),
.fx-sort-dialog__icon-button:hover:not(:disabled) {
    background: var(--menu-item-hover);
}

.fx-sort-dialog__button--primary {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--text-on-primary);
}

.fx-sort-dialog__button--primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.fx-sort-dialog button:disabled,
.fx-sort-dialog select:disabled,
.fx-sort-dialog input:disabled {
    border-color: var(--border-disabled);
    background: var(--bg-disabled);
    color: var(--text-disabled);
    cursor: not-allowed;
}


.fx-sort-delete__icon {
    width: var(--sort-dialog-delete-icon-size);
    height: var(--sort-dialog-delete-icon-size);
    padding: 0;
    font-size: var(--font-size-lg);
    line-height: 1;
    cursor: pointer;
}

.tab-delete-icon {
    width: var(--sort-dialog-delete-icon-size);
    height: var(--sort-dialog-delete-icon-size);
}

.fx-sort-delete__icon:hover:not(:disabled) {
    background-color: #c8c8d5;
    border-radius: 50%;
}/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ============================
   Select 选择器组件样式
   ============================ */

.select-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
}

.select-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5715;
    font-weight: 500;
}

/* ---- 触发器 ---- */
.select {
    position: relative;
    width: 100%;
}

.select-trigger {
    width: 100%;
    min-height: 36px;
    padding: 4px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    background: var(--background-base);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    line-height: 1.5715;
    transition: border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.select-trigger:hover:not(:disabled) {
    border-color: var(--primary-hover);
}

.select-trigger:focus-visible {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 15%, transparent);
}

/* open state 触发器的 focus 光环 */
.select-open .select-trigger {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 10%, transparent);
}

.select-value {
    flex: 1;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.select-value-placeholder {
    color: var(--text-tertiary);
}

/* ---- CSS 箭头 ---- */
.select-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: color 0.2s ease;
}

.select-arrow::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    margin-top: -6px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    margin-top 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.select-open .select-arrow::before {
    transform: rotate(-135deg);
    margin-top: 2px;
}

.select-open .select-arrow {
    color: var(--primary-color);
}

/* ---- 下拉菜单 ---- */
.select-menu {
    position: fixed;
    padding: 4px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-large);
    background: var(--background-base);
    box-shadow: var(--shadow-medium);
    opacity: 0;
    transform: translateY(-6px) scaleY(0.97);
    transform-origin: top;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.18s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.18s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.18s ease;
    z-index: var(--z-dropdown);
    max-height: 260px;
    overflow-y: auto;
}

.select-menu-open {
    opacity: 1;
    transform: translateY(0) scaleY(1);
    pointer-events: auto;
    visibility: visible;
}

/* 菜单滚动条 */
.select-menu::-webkit-scrollbar {
    width: 4px;
}

.select-menu::-webkit-scrollbar-track {
    background: transparent;
}

.select-menu::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

/* ---- 选项 ---- */
.select-option {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 7px 8px 7px 12px;
    border-radius: var(--radius-small);
    text-align: left;
    cursor: pointer;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    line-height: 1.5715;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    transition: background-color 0.15s ease;
}

.select-option:hover {
    background: var(--background-light);
}

.select-option:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

.select-option-active {
    background: var(--primary-bg);
    color: var(--primary-color);
    font-weight: 500;
}

.select-option-active:hover {
    background: var(--primary-bg);
}

.select-option-text {
    flex: 1;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 选中勾 */
.select-option-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.15s ease;
    color: var(--primary-color);
}

.select-option-check::before {
    content: '';
    display: block;
    width: 6px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -2px;
}

.select-option-check-show {
    opacity: 1;
}

/* ---- 禁用状态 ---- */
.select-disabled .select-trigger {
    background: var(--background-gray);
    border-color: var(--border-color);
    color: var(--text-disabled);
    cursor: not-allowed;
    box-shadow: none;
}

.select-disabled .select-trigger:hover {
    border-color: var(--border-color);
    box-shadow: none;
}

.select-disabled .select-value {
    color: var(--text-disabled);
}

.select-disabled .select-arrow {
    color: var(--text-disabled);
}
/* Copyright (c) 2026 Fuxi Office */
/* SPDX-License-Identifier: MIT */

/* ===== AI assistant panel ===== */
.fx-ai-panel {
    display: flex;
    flex: 0 0 446px;
    flex-direction: column;
    min-width: 280px;
    max-width: 420px;
    border-left: 1px solid var(--border-secondary);
    background: var(--bg-component);
    color: var(--text-primary);
}
/* 折叠态：面板保留在 DOM 中（消息信号不销毁），仅隐藏显示 */
.fx-ai-panel--hidden {
    display: none;
}
.fx-ai-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-md) var(--space-sm);
    border-bottom: 1px solid var(--border-split);
}
.fx-ai-panel__eyebrow {
    color: var(--primary-color);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}
.fx-ai-panel h2 {
    margin-top: 2px;
    color: var(--text-title);
    font-size: var(--font-size-lg);
    font-weight: 650;
}
.fx-ai-panel__header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.fx-ai-panel__mode {
    display: inline-flex;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
}
.fx-ai-panel__mode button {
    padding: 3px 8px;
    border: 0;
    border-radius: calc(var(--radius-sm) - 2px);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 11px;
    white-space: nowrap;
}
.fx-ai-panel__mode button.is-active {
    background: var(--bg-component);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: 0 1px 2px rgb(0 0 0 / 8%);
}
.fx-ai-panel__mode button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}
.fx-ai-settings-toggle {
    display: grid;
    width: 29px;
    height: 29px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 13px;
}
.fx-ai-settings-toggle svg {
    width: 16px;
    height: 16px;
}
/* 其余操作按钮图标：统一为 SVG 描边风格（随文字色变色） */
.fx-ai-clear svg,
.fx-ai-collapse svg,
.fx-ai-fab svg,
.fx-ai-copy svg {
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.6;
}
.fx-ai-clear svg,
.fx-ai-collapse svg {
    width: 16px;
    height: 16px;
}
.fx-ai-fab svg {
    width: 20px;
    height: 20px;
}
.fx-ai-copy svg {
    width: 12px;
    height: 12px;
}
.fx-ai-settings-toggle:hover,
.fx-ai-settings-toggle:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
}
.fx-ai-clear {
    display: grid;
    width: 29px;
    height: 29px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 12px;
}
.fx-ai-clear:hover,
.fx-ai-clear:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
}

.fx-ai-panel__header-logo {
    display: flex;
    align-items: center;
    gap: 5px;
    height: 29px;
}
.fx-ai-panel__header--clear-armed .fx-ai-panel__header-logo {
    display: none;
}
.fx-ai-panel__header-logo svg {
    width: 20px;
    height: 20px;
}

.fx-ai-panel__header-logo span {
    display: inline-block;
    font-size: var(--font-size-md);
    font-weight: 600;
}
/* 清空二次确认：待确认态变红并展开显示“确认清空？” */
.fx-ai-clear--armed,
.fx-ai-clear--armed:hover,
.fx-ai-clear--armed:focus-visible {
    display: inline-flex;
    width: auto;
    padding: 0 7px;
    gap: 3px;
    border-color: var(--error-color);
    background: var(--error-light);
    color: var(--error-color);
}
.fx-ai-clear__confirm {
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.fx-ai-panel__status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0 var(--space-md) var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    white-space: nowrap;
}
.fx-ai-panel__status span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success-color);
}
.fx-ai-panel__status span.fx-ai-panel__status-dot--agent {
    background: var(--primary-color);
}
.fx-ai-settings {
    margin: 0 var(--space-md) var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}
.fx-ai-settings__title {
    color: var(--text-title);
    font-size: var(--font-size-xs);
    font-weight: 700;
}
.fx-ai-settings__field {
    display: grid;
    gap: 3px;
    margin-top: 7px;
    color: var(--text-secondary);
    font-size: 11px;
}
.fx-ai-settings__field input {
    width: 100%;
    box-sizing: border-box;
    padding: 5px 7px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-xs);
}
.fx-ai-settings__field input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}
.fx-ai-settings__actions {
    display: flex;
    gap: var(--space-xs);
    margin-top: 9px;
}
.fx-ai-settings__actions button {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-xs);
}
.fx-ai-settings__actions button.fx-ai-settings__save {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--text-on-primary);
}
.fx-ai-settings__hint {
    margin-top: 8px;
    color: var(--text-disabled);
    font-size: 11px;
    line-height: 1.4;
}
.fx-ai-context {
    margin: var(--space-md) var(--space-md) var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}
.fx-ai-context__title {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}
.fx-ai-context__value {
    overflow: hidden;
    margin-top: 3px;
    color: var(--text-title);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.fx-ai-context__meta {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 11px;
}
/* 快捷提问：折叠标题栏 + 可展开按钮组（默认收起） */
.fx-ai-quick-actions {
    padding: 0 var(--space-md) var(--space-sm);
}
.fx-ai-quick-actions__toggle {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 6px;
    padding: 5px 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-align: left;
    transition: background 0.12s ease, color 0.12s ease;
}
.fx-ai-quick-actions__toggle > svg:first-child {
    width: 14px;
    height: 14px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.6;
    opacity: 0.85;
}
.fx-ai-quick-actions__toggle:hover,
.fx-ai-quick-actions__toggle:focus-visible {
    background: var(--bg-secondary);
    color: var(--text-title);
    outline: none;
}
.fx-ai-quick-actions__chevron {
    width: 14px;
    height: 14px;
    margin-left: auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.6;
    transition: transform 0.2s ease;
}
.fx-ai-quick-actions__toggle[aria-expanded="true"] .fx-ai-quick-actions__chevron {
    transform: rotate(180deg);
}
/* 展开/收起动画：grid-template-rows 0fr↔1fr 平滑过渡，无需固定内容高度 */
.fx-ai-quick-actions__wrap {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.22s ease;
}
.fx-ai-quick-actions__wrap--open {
    grid-template-rows: 1fr;
}
.fx-ai-quick-actions__items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    min-height: 0;
    padding-top: var(--space-xs);
    overflow: hidden;
}
.fx-ai-quick-actions__items button {
    padding: 5px 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-xs);
}
.fx-ai-quick-actions__items button:hover,
.fx-ai-quick-actions__items button:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
}
.fx-ai-messages {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: var(--space-sm);
    min-height: 120px;
    overflow-y: auto;
    padding: var(--space-sm) var(--space-md);
    background: color-mix(in srgb, var(--bg-secondary) 45%, var(--bg-component));
}
.fx-ai-empty {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    min-height: 160px;
    color: var(--text-secondary);
    text-align: center;
    font-size: var(--font-size-xs);
}
.fx-ai-empty strong {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}
.fx-ai-empty__samples {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: 10px;
}
.fx-ai-empty__samples button {
    padding: 4px 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 11px;
}
.fx-ai-empty__samples button:hover,
.fx-ai-empty__samples button:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
}
.fx-ai-message {
    max-width: 92%;
    padding: 9px 11px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: 1.55;
}
.fx-ai-message__body {
    overflow-wrap: anywhere;
}
.fx-ai-message__body p {
    margin: 0 0 6px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.fx-ai-message__body p:last-child {
    margin-bottom: 0;
}
.fx-ai-message__body pre {
    margin: 6px 0;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.fx-ai-message__body code {
    padding: 0 3px;
    border-radius: 3px;
    background: var(--bg-secondary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.92em;
}
.fx-ai-message__body ul,
.fx-ai-message__body ol {
    margin: 4px 0 6px;
    padding-left: 18px;
}
.fx-ai-message__body li {
    margin: 2px 0;
}
.fx-ai-message__body strong {
    font-weight: 700;
}
.fx-ai-markdown-table-wrap {
    max-width: 100%;
    margin: 7px 0 9px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}
.fx-ai-markdown-table-wrap table {
    width: max-content;
    min-width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    line-height: 1.45;
    white-space: nowrap;
}
.fx-ai-markdown-table-wrap th,
.fx-ai-markdown-table-wrap td {
    padding: 5px 8px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}
.fx-ai-markdown-table-wrap th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 700;
}
.fx-ai-markdown-table-wrap tr:last-child td {
    border-bottom: 0;
}
.fx-ai-markdown-table-wrap th:last-child,
.fx-ai-markdown-table-wrap td:last-child {
    border-right: 0;
}
.fx-ai-message__role {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 3px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
}
.fx-ai-avatar {
    display: inline-grid;
    place-items: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    box-sizing: border-box;
    border-radius: 9px;
    background: var(--bg-tab);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}
.fx-ai-message--user .fx-ai-avatar {
    background: var(--primary-color);
    color: var(--text-on-primary);
}
.fx-ai-copy {
    padding: 0 3px;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font: inherit;
    font-size: 11px;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.12s ease;
}
.fx-ai-message:hover .fx-ai-copy,
.fx-ai-copy:focus-visible {
    opacity: 1;
    color: var(--primary-color);
    outline: none;
}
/* 复制成功：绿色对勾，短暂展示后恢复 */
.fx-ai-copy--done,
.fx-ai-copy--done:hover,
.fx-ai-copy--done:focus-visible {
    opacity: 1;
    color: var(--success-color);
}
.fx-ai-message--user {
    align-self: flex-end;
    background: var(--primary-light);
    color: var(--text-title);
}
.fx-ai-message--assistant {
    align-self: flex-start;
    border: 1px solid var(--border-split);
    background: var(--bg-component);
}
/* 错误/系统提示消息：红框 + 浅红底，与正常回答区分 */
.fx-ai-message--error {
    border-color: var(--error-color);
    background: var(--error-light);
}
.fx-ai-message--error .fx-ai-message__role {
    color: var(--error-color);
}
.fx-ai-message--streaming::after {
    display: inline-block;
    width: 2px;
    height: 1em;
    margin-left: 2px;
    vertical-align: text-bottom;
    background: var(--primary-color);
    content: "";
    animation: fx-ai-caret 0.9s steps(2, start) infinite;
}
@keyframes fx-ai-caret {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
.fx-ai-message__citation {
    margin-top: 7px;
    color: var(--primary-color);
    font-size: 11px;
}
.fx-ai-message__citation button {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}
.fx-ai-message__citation button + button::before {
    content: " · ";
    text-decoration: none;
    display: inline-block;
    margin: 0 4px;
}
.fx-ai-transaction {
    margin: var(--space-sm) var(--space-md) 0;
    padding: 10px;
    border: 1px solid var(--primary-light-hover);
    border-radius: var(--radius-md);
    background: var(--primary-light);
}
.fx-ai-transaction__title {
    color: var(--text-title);
    font-size: var(--font-size-xs);
    font-weight: 700;
}
.fx-ai-transaction__range {
    margin-top: 3px;
    color: var(--primary-active);
    font-size: var(--font-size-xs);
}
.fx-ai-transaction__preview {
    overflow: hidden;
    margin-top: 6px;
    color: var(--text-secondary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.fx-ai-transaction__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid color-mix(in srgb, var(--primary-color) 16%, var(--border-split));
}
.fx-ai-transaction__actions button {
    min-height: 32px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-component);
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.2;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.fx-ai-transaction__actions button:hover,
.fx-ai-transaction__actions button:focus-visible {
    border-color: var(--primary-color);
    background: var(--hover);
    color: var(--primary-color);
    outline: none;
}
.fx-ai-transaction__actions button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-1);
}
.fx-ai-transaction__actions button:active {
    transform: translateY(0);
    box-shadow: none;
}
.fx-ai-transaction__actions button:focus-visible {
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}
.fx-ai-transaction__warn {
    margin-top: 6px;
    color: var(--error-color);
    font-size: 11px;
}
.fx-ai-diff {
    margin-top: 6px;
}
.fx-ai-diff__scroll {
    max-height: 220px;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}
.fx-ai-diff__table {
    width: 100%;
    border-collapse: collapse;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
}
.fx-ai-diff__table th,
.fx-ai-diff__table td {
    max-width: 140px;
    overflow: hidden;
    padding: 3px 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-component);
    text-overflow: ellipsis;
    text-align: left;
    white-space: nowrap;
}
.fx-ai-diff__corner,
.fx-ai-diff__rowhead {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--bg-tab) !important;
    color: var(--text-muted) !important;
    font-weight: 400;
    text-align: right !important;
}
.fx-ai-diff__corner {
    z-index: 2;
}
.fx-ai-diff__colhead {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--bg-tab) !important;
    color: var(--text-muted) !important;
    font-weight: 400;
    text-align: center !important;
}
.fx-ai-diff__cell--modified {
    background: var(--warning-light);
}
.fx-ai-diff__cell--added {
    background: var(--success-light);
}
.fx-ai-diff__cell--added .fx-ai-diff__new {
    color: var(--success-active);
}
.fx-ai-diff__cell--cleared {
    background: var(--hover);
}
.fx-ai-diff__old {
    color: var(--text-muted);
    text-decoration: line-through;
}
.fx-ai-diff__arrow {
    margin: 0 3px;
    color: var(--text-muted);
}
.fx-ai-diff__new {
    color: var(--text-primary);
    font-weight: 600;
}
.fx-ai-diff__cleared {
    color: var(--text-muted);
    font-style: italic;
}
.fx-ai-diff__unchanged {
    color: var(--text-secondary);
}
.fx-ai-diff__hint {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 11px;
}
.fx-ai-transaction__actions .fx-ai-transaction__confirm {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--text-on-primary);
}
.fx-ai-transaction__actions .fx-ai-transaction__confirm:hover,
.fx-ai-transaction__actions .fx-ai-transaction__confirm:focus-visible {
    border-color: var(--primary-hover);
    background: var(--primary-hover);
    color: var(--text-on-primary);
}
.fx-ai-transaction__actions .fx-ai-transaction__confirm.fx-ai-transaction__confirm--armed {
    border-color: var(--error-color);
    background: var(--error-color);
}
.fx-ai-transaction__actions .fx-ai-transaction__confirm.fx-ai-transaction__confirm--armed:hover,
.fx-ai-transaction__actions .fx-ai-transaction__confirm.fx-ai-transaction__confirm--armed:focus-visible {
    border-color: var(--error-color);
    background: var(--error-color);
    color: var(--text-on-primary);
    filter: brightness(1.06);
}
.fx-ai-transaction__actions .fx-ai-transaction__cancel:hover,
.fx-ai-transaction__actions .fx-ai-transaction__cancel:focus-visible {
    border-color: var(--error-color);
    background: var(--error-light);
    color: var(--error-color);
}
.fx-ai-composer {
    position: relative;
    margin: var(--space-sm) var(--space-md) 0;
}
.fx-ai-composer textarea {
    display: block;
    width: 100%;
    min-height: 76px;
    height: 76px;
    padding: 9px 38px 9px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    background: var(--bg-component);
    color: var(--text-primary);
    font: inherit;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}
.fx-ai-composer textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 var(--focus-ring-width) var(--primary-light);
}
.fx-ai-composer textarea::placeholder {
    color: var(--text-disabled);
}
.fx-ai-activity {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 5px;
    padding: 5px 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 11px;
}
.fx-ai-activity::before {
    width: 6px;
    height: 6px;
    flex: 0 0 6px;
    border-radius: 50%;
    background: var(--primary-color);
    content: "";
    animation: fx-ai-pulse 1.2s ease-in-out infinite;
}
@keyframes fx-ai-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}
.fx-ai-send svg rect {
    fill: currentColor;
    stroke: none;
}
.fx-ai-send {
    position: absolute;
    right: 7px;
    bottom: 7px;
    display: grid;
    width: 26px;
    height: 26px;
    padding: 0;
    place-items: center;
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: var(--text-on-primary);
    cursor: pointer;
}
.fx-ai-send:hover,
.fx-ai-send:focus-visible {
    background: var(--primary-hover);
    outline: none;
}
.fx-ai-send svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}
/* 生成中：发送按钮切换为停止（红色），样式需置于 .fx-ai-send 之后以覆盖背景色 */
.fx-ai-send--stop {
    background: var(--error-color);
}
.fx-ai-send--stop:hover,
.fx-ai-send--stop:focus-visible {
    background: var(--error-color);
    filter: brightness(1.1);
    outline: none;
}
.fx-ai-disclaimer {
    padding: 7px var(--space-md) var(--space-sm);
    color: var(--text-disabled);
    font-size: 11px;
    line-height: 1.4;
}

/* 面板折叠按钮（与设置按钮同风格） */
.fx-ai-collapse {
    display: grid;
    width: 29px;
    height: 29px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 11px;
}
.fx-ai-collapse:hover,
.fx-ai-collapse:focus-visible {
    border-color: var(--primary-color);
    color: var(--primary-color);
    outline: none;
}

/* 面板折叠后的浮动展开按钮：贴右侧边缘居中 */
.fx-ai-fab {
    position: fixed;
    top: 50%;
    right: 0;
    z-index: 40;
    display: grid;
    width: 30px;
    height: 56px;
    padding: 0;
    place-items: center;
    transform: translateY(-50%);
    border: 1px solid var(--primary-color);
    border-right: 0;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background: var(--primary-color);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-1);
    cursor: pointer;
    font: inherit;
    font-size: 12px;
}
.fx-ai-fab:hover,
.fx-ai-fab:focus-visible {
    background: var(--primary-hover);
    outline: none;
}

/* 上下文卡标题行：标题 + “仅使用选区”开关 */
.fx-ai-context__title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs);
}
.fx-ai-scope-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    user-select: none;
}
.fx-ai-scope-toggle input {
    position: relative;
    width: 26px;
    height: 14px;
    margin: 0;
    border: 0;
    border-radius: 7px;
    appearance: none;
    background: var(--border-color);
    cursor: pointer;
    transition: background 0.15s ease;
}
.fx-ai-scope-toggle input::before {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-component);
    content: "";
    transition: left 0.15s ease;
}
.fx-ai-scope-toggle input:checked {
    background: var(--primary-color);
}
.fx-ai-scope-toggle input:checked::before {
    left: 14px;
}
.fx-ai-scope-toggle input:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 1px;
}

@media (max-width: 56rem) {
    .fx-ai-panel {
        flex-basis: 300px;
    }
}
@media (max-width: 44rem) {
    .fx-workbook-layout {
        position: relative;
    }
    .fx-ai-panel {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(92vw, 336px);
        max-width: none;
        box-shadow: var(--shadow-2);
    }
}