/* ==========================================================================
   AI Editor - Windows Desktop Application Edition CSS
   Fluent UI / WinUI 3 & Modern Windows Desktop App Aesthetic
   ========================================================================== */

:root {
    /* Windows 11 Fluent Design System Tokens */
    --win-accent: #0067c0;
    --win-accent-hover: #1975c5;
    --win-accent-active: #005fb8;
    --win-accent-light: rgba(0, 103, 192, 0.08);
    --win-accent-subtle: rgba(0, 103, 192, 0.12);

    --win-bg: #f3f3f3;
    --win-titlebar-bg: #f9f9f9;
    --win-ribbon-bg: #fdfdfd;
    --win-ribbon-tab-active: #ffffff;
    --win-surface: #ffffff;
    --win-surface-alt: #f6f6f6;
    --win-border: #e0e0e0;
    --win-border-subtle: rgba(0, 0, 0, 0.06);
    --win-border-strong: #c7c7c7;

    --win-text: #1c1c1c;
    --win-text-secondary: #5c5c5c;
    --win-text-disabled: #a0a0a0;

    --win-hover: rgba(0, 0, 0, 0.04);
    --win-pressed: rgba(0, 0, 0, 0.08);

    --win-workspace-bg: #e6e8eb;
    --win-paper-bg: #ffffff;
    --win-paper-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);

    --win-statusbar-bg: #f3f3f3;
    --win-statusbar-border: #e2e2e2;

    --win-radius-sm: 4px;
    --win-radius-md: 6px;
    --win-radius-lg: 8px;

    --win-font: "Segoe UI Variable Text", "Segoe UI", -apple-system, BlinkMacSystemFont, "Malgun Gothic", "맑은 고딕", sans-serif;
    --win-font-display: "Segoe UI Variable Display", "Segoe UI", -apple-system, sans-serif;
    --win-font-mono: "Cascadia Code", "Consolas", "Fira Code", monospace;

    /* Override ai-editor.css variables for Windows tone */
    --accent-color: var(--win-accent);
    --bg-color: var(--win-workspace-bg);
    --card-bg: var(--win-surface);
    --text-color: var(--win-text);
    --text-muted: var(--win-text-secondary);
    --border-color: var(--win-border);
}

[data-theme='dark'] {
    --win-accent: #4cc2ff;
    --win-accent-hover: #5cd0ff;
    --win-accent-active: #38b6f5;
    --win-accent-light: rgba(76, 194, 255, 0.12);
    --win-accent-subtle: rgba(76, 194, 255, 0.16);

    --win-bg: #202020;
    --win-titlebar-bg: #202020;
    --win-ribbon-bg: #2b2b2b;
    --win-ribbon-tab-active: #323232;
    --win-surface: #2d2d2d;
    --win-surface-alt: #242424;
    --win-border: #383838;
    --win-border-subtle: rgba(255, 255, 255, 0.06);
    --win-border-strong: #4f4f4f;

    --win-text: #ffffff;
    --win-text-secondary: #adadad;
    --win-text-disabled: #666666;

    --win-hover: rgba(255, 255, 255, 0.06);
    --win-pressed: rgba(255, 255, 255, 0.1);

    --win-workspace-bg: #191919;
    --win-paper-bg: #242424;
    --win-paper-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);

    --win-statusbar-bg: #1c1c1c;
    --win-statusbar-border: #2a2a2a;

    --accent-color: var(--win-accent);
    --bg-color: var(--win-workspace-bg);
    --card-bg: var(--win-surface);
    --text-color: var(--win-text);
    --text-muted: var(--win-text-secondary);
    --border-color: var(--win-border);
    --editor-bg: var(--win-paper-bg);
}

/* ==========================================================================
   Desktop Shell & Window Container
   ========================================================================== */

html,
body {
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    background: var(--win-bg);
    color: var(--win-text);
    font-family: var(--win-font);
    font-size: 13px;
    -webkit-font-smoothing: antialiased;
    user-select: none;
}

/* Collapsible site-header for full desktop app immersion */
body.site-header-hidden site-header {
    display: none !important;
}

/* Base App Layout */
#app {
    max-width: none !important;
    width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    gap: 0 !important;
    box-sizing: border-box !important;
}

.workspace-container {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    padding: 0 !important;
    max-width: none !important;
    margin: 0 !important;
}

.editor-workspace {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border-radius: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: var(--win-bg) !important;
}

/* ==========================================================================
   Google Docs Style Clean 2-Row Header & Menubar System
   ========================================================================== */

.gdoc-header {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    background: var(--win-surface);
    border-bottom: 1px solid var(--win-border);
    z-index: 1000;
    user-select: none;
    box-sizing: border-box;
    overflow: visible !important;
}

/* Row 1: Document info & Menubar + Right utilities (Height: 38px) */
.gdoc-row-top {
    height: 38px;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0 0 10px;
    background: var(--win-titlebar-bg);
    border-bottom: 1px solid var(--win-border-subtle);
    gap: 8px;
    box-sizing: border-box;
    transition: background-color 0.2s;
    overflow: visible !important;
}

.gdoc-top-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.gdoc-app-logo {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--win-accent);
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
    text-decoration: none;
    cursor: default;
}

.gdoc-app-logo svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.gdoc-title-section {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    margin-right: 4px;
}

.gdoc-title-section .win-doc-title {
    margin-left: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--win-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
    padding: 2px 6px;
    border-radius: var(--win-radius-sm);
    border: 1px solid transparent;
    transition: all 0.15s;
}

.gdoc-title-section .win-doc-title:hover {
    background: var(--win-hover);
    border-color: var(--win-border-subtle);
}

.gdoc-title-section .win-doc-badge {
    font-size: 10px;
    padding: 1px 7px;
    border-radius: 10px;
}

/* Google Docs Menubar */
.gdoc-menubar {
    display: flex;
    align-items: center;
    gap: 1px;
    margin-left: 2px;
}

.gdoc-menu-item-wrap {
    position: relative;
    display: inline-flex;
}

.gdoc-menu-btn {
    height: 26px;
    padding: 0 8px;
    border: none;
    background: transparent;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    font-size: 12.5px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.12s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.gdoc-menu-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.gdoc-menu-btn.active {
    background: var(--win-accent-light);
    color: var(--win-accent);
    font-weight: 600;
}

/* Google Docs Menu Dropdown */
.gdoc-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 220px;
    background: var(--win-surface);
    border: 1px solid var(--win-border-strong);
    border-radius: var(--win-radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
    z-index: 1200;
    padding: 5px;
    display: none;
    animation: winFlyoutIn 0.12s cubic-bezier(0.1, 0.9, 0.2, 1);
    box-sizing: border-box;
}

.gdoc-dropdown.active {
    display: block !important;
}

.gdoc-top-right {
    display: flex;
    align-items: center;
    height: 100%;
    flex-shrink: 0;
    gap: 4px;
}

.gdoc-top-right .win-search-box {
    width: 200px;
    height: 26px;
    padding: 0 4px 0 7px;
}

/* Row 2: Google Docs Formatting Action Toolbar (Height: 38px) */
.gdoc-toolbar {
    height: 38px;
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 0 10px;
    background: var(--win-surface);
    border-bottom: 1px solid var(--win-border);
    overflow: visible !important;
    white-space: nowrap;
    box-sizing: border-box;
    position: relative;
    z-index: 500;
}

.gdoc-tb-group {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.gdoc-tb-divider {
    width: 1px;
    height: 18px;
    background: var(--win-border);
    margin: 0 4px;
    flex-shrink: 0;
}

.gdoc-tb-btn {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text);
    cursor: pointer;
    transition: all 0.12s ease;
    padding: 0;
    position: relative;
    box-sizing: border-box;
}

.gdoc-tb-btn .material-symbols-rounded {
    font-size: 18px;
}

.gdoc-tb-btn:hover {
    background: var(--win-hover);
    color: var(--win-accent);
}

.gdoc-tb-btn:active {
    background: var(--win-pressed);
    transform: scale(0.96);
}

.gdoc-tb-btn.active {
    background: var(--win-accent-light);
    color: var(--win-accent);
}

.gdoc-select {
    height: 26px;
    font-size: 12px;
    font-family: inherit;
    border: 1px solid var(--win-border);
    border-radius: var(--win-radius-sm);
    background: var(--win-surface-alt);
    color: var(--win-text);
    padding: 0 6px;
    cursor: pointer;
    outline: none;
    transition: all 0.15s;
    box-sizing: border-box;
}

.gdoc-select:hover {
    border-color: var(--win-accent);
}

.gdoc-select:focus {
    border-color: var(--win-accent);
    box-shadow: 0 0 0 1px var(--win-accent);
}

.gdoc-tb-pill {
    height: 26px;
    padding: 0 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 500;
    font-family: inherit;
    border: 1px solid var(--win-border);
    border-radius: 13px;
    background: var(--win-surface-alt);
    color: var(--win-text);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    flex-shrink: 0;
    box-sizing: border-box;
}

.gdoc-tb-pill .material-symbols-rounded {
    font-size: 15px;
}

.gdoc-tb-pill:hover {
    background: var(--win-hover);
    border-color: var(--win-accent);
    color: var(--win-accent);
}

.gdoc-tb-pill:active {
    background: var(--win-pressed);
    transform: scale(0.97);
}

.gdoc-tb-pill.active {
    background: var(--win-accent-light);
    border-color: var(--win-accent);
    color: var(--win-accent);
    font-weight: 600;
}

.gdoc-tb-pill-primary {
    background: var(--win-accent);
    color: #ffffff !important;
    border-color: var(--win-accent);
    font-weight: 600;
}

.gdoc-tb-pill-primary .material-symbols-rounded {
    color: #ffffff !important;
}

.gdoc-tb-pill-primary:hover {
    background: var(--win-accent-hover);
    border-color: var(--win-accent-hover);
    color: #ffffff !important;
}

.gdoc-tb-spacer {
    flex: 1;
    min-width: 8px;
}

.gdoc-tb-right {
    margin-left: auto;
}

/* Popover positioning fix in gdoc-toolbar */
.gdoc-toolbar .win-color-trigger,
.gdoc-toolbar .win-emoji-anchor {
    position: relative;
    display: inline-flex;
}

.gdoc-toolbar .color-palette-popover {
    position: absolute;
    top: calc(100% + 5px) !important;
    left: 0 !important;
    z-index: 1500 !important;
    background: var(--win-surface) !important;
    border: 1px solid var(--win-border-strong) !important;
    border-radius: var(--win-radius-md) !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.gdoc-toolbar .color-palette-popover.show {
    display: grid !important;
}

.gdoc-toolbar .emoji-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px) !important;
    left: auto;
    right: 0;
    z-index: 1500 !important;
    background: var(--win-surface) !important;
    border: 1px solid var(--win-border-strong) !important;
    border-radius: var(--win-radius-md) !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.gdoc-toolbar .emoji-dropdown-menu.show {
    display: flex !important;
}

/* Responsive adjustments for toolbar */
@media (max-width: 1280px) {
    .gdoc-tb-ai-group .gdoc-tb-pill span:not(.material-symbols-rounded) {
        display: none;
    }
    .gdoc-tb-pill {
        padding: 0 6px;
    }
}

@media (max-width: 1000px) {
    .gdoc-tb-right .gdoc-tb-pill span:not(.material-symbols-rounded) {
        display: none;
    }
    .gdoc-top-right .win-search-box {
        width: 120px;
    }
}

/* ==========================================================================
   1. Windows 11 Title Bar
   ========================================================================== */

.win-titlebar {
    height: 38px;
    min-height: 38px;
    flex-shrink: 0;
    background: var(--win-titlebar-bg);
    border-bottom: 1px solid var(--win-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0 0 10px;
    z-index: 100;
    user-select: none;
    -webkit-app-region: drag;
    box-sizing: border-box;
    transition: background-color 0.2s;
}

.win-titlebar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.win-app-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--win-accent);
    font-weight: 600;
    font-size: 12.5px;
    white-space: nowrap;
}

.win-app-logo svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Quick Access Toolbar */
.win-quick-access {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0 4px;
    margin-left: 4px;
    border-left: 1px solid var(--win-border-subtle);
    border-right: 1px solid var(--win-border-subtle);
}

.win-qa-btn {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
}

.win-qa-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-qa-btn:active {
    background: var(--win-pressed);
    transform: scale(0.96);
}

.win-qa-btn .material-symbols-rounded {
    font-size: 16px;
}

/* Document Title in Titlebar */
.win-doc-title-container {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
    min-width: 0;
}

.win-doc-title {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--win-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.win-doc-badge {
    font-size: 10.5px;
    padding: 2px 8px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.12), rgba(0, 188, 242, 0.15));
    color: var(--win-accent);
    border: 1px solid rgba(0, 120, 212, 0.28);
    font-weight: 700;
    letter-spacing: 0.4px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 1px 3px rgba(0, 103, 192, 0.08);
}

.win-title-tool-btn.win-lang-btn {
    padding: 0 7px;
    font-weight: 600;
    border: 1px solid var(--win-border-subtle);
    border-radius: var(--win-radius-sm);
    background: var(--win-surface);
}

.win-title-tool-btn.win-lang-btn:hover {
    background: var(--win-hover);
    border-color: var(--win-accent);
    color: var(--win-accent);
}

.win-sb-item.clickable {
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    border-radius: var(--win-radius-sm);
    padding: 2px 6px !important;
}

.win-sb-item.clickable:hover {
    background: var(--win-hover);
    color: var(--win-accent);
}

/* Center Search Box */
.win-titlebar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    max-width: 440px;
    padding: 0 10px;
}

.win-search-box {
    width: 100%;
    height: 28px;
    background: var(--win-surface-alt);
    border: 1px solid var(--win-border);
    border-radius: var(--win-radius-sm);
    display: flex;
    align-items: center;
    padding: 0 4px 0 8px;
    gap: 6px;
    transition: all 0.2s;
    position: relative;
}

.win-search-box:focus-within {
    border-color: var(--win-accent);
    background: var(--win-surface);
    box-shadow: 0 0 0 1px var(--win-accent);
}

.win-search-box.has-no-results {
    border-color: #d13438 !important;
    box-shadow: 0 0 0 1px #d13438 !important;
}

.win-search-box .win-search-icon {
    font-size: 15px;
    color: var(--win-text-secondary);
    flex-shrink: 0;
}

.win-search-box input {
    flex: 1;
    min-width: 50px;
    background: transparent;
    border: none;
    outline: none;
    font-size: 11.5px;
    font-family: inherit;
    color: var(--win-text);
}

.win-search-box input::placeholder {
    color: var(--win-text-disabled);
}

/* Search Count Badge */
.win-search-count {
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    color: var(--win-text-secondary);
    padding: 0 4px;
    white-space: nowrap;
    user-select: none;
}

.win-search-count.no-matches {
    color: #d13438;
    font-weight: 600;
}

/* Search Navigation Buttons (Prev / Next / Clear) */
.win-search-nav {
    display: flex;
    align-items: center;
    gap: 1px;
    flex-shrink: 0;
}

.win-search-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 3px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--win-text-secondary);
    padding: 0;
    transition: background 0.15s, color 0.15s;
}

.win-search-btn:hover:not(:disabled) {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-search-btn:active:not(:disabled) {
    background: var(--win-active);
}

.win-search-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.win-search-btn .material-symbols-rounded {
    font-size: 18px;
}

.win-search-clear .material-symbols-rounded {
    font-size: 15px;
}

/* Custom Highlights for Search Results (Modern Browsers) */
::highlight(win-editor-search) {
    background-color: rgba(255, 235, 59, 0.6);
    color: inherit;
}

::highlight(win-editor-search-active) {
    background-color: #ff9800;
    color: #ffffff;
}

[data-theme="dark"] ::highlight(win-editor-search) {
    background-color: rgba(255, 213, 79, 0.45);
    color: #ffffff;
}

[data-theme="dark"] ::highlight(win-editor-search-active) {
    background-color: #f57c00;
    color: #ffffff;
}

/* Titlebar Right Tools & Window Controls */
.win-titlebar-right {
    display: flex;
    align-items: center;
    height: 100%;
}

.win-title-utility {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-right: 8px;
}

.win-title-tool-btn {
    height: 26px;
    padding: 0 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    font-size: 11.5px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
}

.win-title-tool-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-title-tool-btn .material-symbols-rounded {
    font-size: 16px;
}

/* Windows 11 Window Caption Control Buttons (Min, Max, Close) */
.win-caption-controls {
    display: flex;
    height: 100%;
    -webkit-app-region: no-drag;
}

.win-caption-btn {
    width: 46px;
    height: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--win-text);
    cursor: pointer;
    transition: background-color 0.1s;
    padding: 0;
}

.win-caption-btn:hover {
    background: var(--win-hover);
}

.win-caption-btn:active {
    background: var(--win-pressed);
}

.win-caption-btn.btn-close:hover {
    background: #e81123 !important;
    color: #ffffff !important;
}

.win-caption-btn.btn-close:active {
    background: #bf0f1d !important;
    color: #ffffff !important;
}

.win-caption-btn svg {
    width: 10px;
    height: 10px;
    stroke: currentColor;
    fill: none;
}

/* ==========================================================================
   2. Windows Ribbon Bar (Tabs & Command Strip)
   ========================================================================== */

.win-ribbon {
    flex-shrink: 0;
    background: var(--win-ribbon-bg);
    border-bottom: 1px solid var(--win-border);
    display: flex;
    flex-direction: column;
    z-index: 90;
    transition: all 0.2s ease;
}

/* Ribbon Tabs Header */
.win-ribbon-tabs-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 32px;
    padding: 0 8px;
    border-bottom: 1px solid var(--win-border-subtle);
    background: var(--win-surface-alt);
}

.win-ribbon-tabs {
    display: flex;
    align-items: flex-end;
    height: 100%;
    gap: 2px;
}

.win-ribbon-tab {
    height: 30px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--win-radius-sm) var(--win-radius-sm) 0 0;
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    color: var(--win-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.win-ribbon-tab:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-ribbon-tab.active {
    background: var(--win-ribbon-tab-active);
    color: var(--win-accent);
    font-weight: 600;
    border-bottom-color: var(--win-accent);
}

/* File Tab is special with accent branding */
.win-ribbon-tab.tab-file {
    background: var(--win-accent);
    color: #ffffff !important;
    font-weight: 600;
    margin-right: 6px;
    border-radius: var(--win-radius-sm);
    height: 26px;
    align-self: center;
}

.win-ribbon-tab.tab-file:hover {
    background: var(--win-accent-hover);
}

/* Ribbon Tab Right Utility */
.win-ribbon-right-tools {
    display: flex;
    align-items: center;
    gap: 4px;
}

.win-ribbon-collapse-btn {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.win-ribbon-collapse-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-ribbon-collapse-btn .material-symbols-rounded {
    font-size: 18px;
    transition: transform 0.2s;
}

.win-ribbon.collapsed .win-ribbon-collapse-btn .material-symbols-rounded {
    transform: rotate(180deg);
}

/* Ribbon Body (Panels) */
.win-ribbon-body {
    background: var(--win-ribbon-bg);
    min-height: 94px;
    padding: 4px 8px;
    box-sizing: border-box;
    display: flex;
    align-items: stretch;
    transition: height 0.2s ease, opacity 0.2s ease;
}

.win-ribbon.collapsed .win-ribbon-body {
    display: none !important;
}

.win-ribbon-panel {
    display: none;
    align-items: stretch;
    gap: 6px;
    width: 100%;
    overflow: visible;
    padding-bottom: 2px;
    position: relative;
}

.win-ribbon-panel.active {
    display: flex;
}

/* Ribbon Command Group */
.win-ribbon-group {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0 6px;
    border-right: 1px solid var(--win-border-subtle);
    position: relative;
    flex-shrink: 0;
}

.win-ribbon-group:last-child {
    border-right: none;
}

.win-group-content {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.win-group-label {
    font-size: 10.5px;
    color: var(--win-text-disabled);
    text-align: center;
    padding-top: 2px;
    letter-spacing: -0.2px;
    user-select: none;
}

/* Ribbon Buttons: Large Button (Hero style) */
.win-btn-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    padding: 6px 8px 4px 8px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--win-radius-sm);
    color: var(--win-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 11px;
    text-align: center;
    line-height: 1.2;
    gap: 4px;
    transition: all 0.15s ease;
}

.win-btn-large:hover {
    background: var(--win-hover);
    border-color: var(--win-border-subtle);
}

.win-btn-large:active {
    background: var(--win-pressed);
    transform: scale(0.97);
}

.win-btn-large .material-symbols-rounded {
    font-size: 24px;
    color: var(--win-accent);
}

.win-btn-large.accent {
    background: var(--win-accent-light);
    color: var(--win-accent);
    font-weight: 600;
}

.win-btn-large.accent:hover {
    background: var(--win-accent-subtle);
}

/* Ribbon Stacked Row / Small Buttons */
.win-btn-stack {
    display: flex;
    flex-direction: column;
    gap: 2px;
    justify-content: center;
}

.win-btn-row {
    display: flex;
    align-items: center;
    gap: 2px;
}

.win-btn-small {
    height: 24px;
    padding: 0 6px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--win-radius-sm);
    color: var(--win-text);
    font-size: 11.5px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.12s;
    white-space: nowrap;
}

.win-btn-small:hover {
    background: var(--win-hover);
    border-color: var(--win-border-subtle);
}

.win-btn-small:active,
.win-btn-small.active {
    background: var(--win-pressed);
    border-color: var(--win-border-strong);
}

.win-btn-small .material-symbols-rounded {
    font-size: 16px;
}

/* Icon-only small button for formatting strips */
.win-icon-btn {
    width: 26px;
    height: 24px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--win-radius-sm);
    color: var(--win-text);
    cursor: pointer;
    transition: all 0.12s;
}

.win-icon-btn:hover {
    background: var(--win-hover);
    border-color: var(--win-border-subtle);
}

.win-icon-btn:active,
.win-icon-btn.active {
    background: var(--win-accent-light);
    border-color: var(--win-accent);
    color: var(--win-accent);
}

.win-icon-btn .material-symbols-rounded {
    font-size: 18px;
}

/* Windows Ribbon Select Dropdown */
.win-select {
    height: 24px;
    background: var(--win-surface);
    border: 1px solid var(--win-border);
    border-radius: var(--win-radius-sm);
    font-size: 11.5px;
    font-family: inherit;
    color: var(--win-text);
    padding: 0 6px;
    outline: none;
    cursor: pointer;
    transition: border-color 0.15s;
}

.win-select:focus {
    border-color: var(--win-accent);
}

/* Color Picker Trigger inside ribbon */
.win-color-trigger {
    position: relative;
    display: inline-block;
}

/* Hide original redundant container headers in app-window-header */
.app-window-header {
    display: none !important;
}

/* ==========================================================================
   3. File Backstage / Fluent File Menu Dropdown
   ========================================================================== */

.win-file-flyout {
    position: absolute !important;
    top: calc(100% + 4px) !important;
    left: 0 !important;
    background: var(--win-surface);
    border: 1px solid var(--win-border-strong);
    border-radius: var(--win-radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
    min-width: 220px;
    width: max-content;
    z-index: 1500 !important;
    padding: 5px;
    display: none;
    animation: winFlyoutIn 0.15s cubic-bezier(0.1, 0.9, 0.2, 1);
    box-sizing: border-box;
}

.win-file-flyout.active {
    display: block !important;
}

@keyframes winFlyoutIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.win-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 6px 10px;
    border: none;
    background: transparent;
    border-radius: var(--win-radius-sm);
    color: var(--win-text);
    font-size: 12px;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.1s;
    box-sizing: border-box;
}

.win-menu-item:hover {
    background: var(--win-hover);
}

.win-menu-item:active {
    background: var(--win-pressed);
}

.win-menu-item .material-symbols-rounded {
    font-size: 18px;
    color: var(--win-accent);
}

.win-menu-shortcut {
    margin-left: auto;
    font-size: 10.5px;
    color: var(--win-text-disabled);
}

.win-menu-separator {
    height: 1px;
    background: var(--win-border-subtle);
    margin: 4px 6px;
}

.win-menu-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--win-text-disabled);
    padding: 4px 10px 2px 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   4. Main Desktop Multi-Pane Layout
   ========================================================================== */

.editor-main-layout {
    flex: 1;
    min-height: 0;
    display: flex;
    overflow: hidden;
    position: relative;
    background: var(--win-workspace-bg);
}

/* Left Navigator Drawer (Collapsible) */
.win-left-pane {
    width: 240px;
    background: var(--win-surface);
    border-right: 1px solid var(--win-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.2s cubic-bezier(0.1, 0.9, 0.2, 1), margin-left 0.2s cubic-bezier(0.1, 0.9, 0.2, 1);
    z-index: 40;
}

.win-left-pane.collapsed {
    margin-left: -240px;
}

.win-pane-header {
    height: 36px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--win-border-subtle);
    background: var(--win-surface-alt);
    font-size: 12px;
    font-weight: 600;
    color: var(--win-text);
}

.win-pane-close-btn {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    cursor: pointer;
}

.win-pane-close-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-left-pane-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.win-doc-stat-card {
    background: var(--win-surface-alt);
    border: 1px solid var(--win-border-subtle);
    border-radius: var(--win-radius-sm);
    padding: 10px;
}

.win-stat-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--win-text-secondary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.win-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 11.5px;
    padding: 3px 0;
    border-bottom: 1px dashed var(--win-border-subtle);
}

.win-stat-row:last-child {
    border-bottom: none;
}

.win-stat-val {
    font-weight: 600;
    color: var(--win-accent);
}

/* Center Document Workspace & Ruler */
.win-center-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    background: var(--win-workspace-bg);
}

/* Word Processor Top Ruler */
.win-doc-ruler {
    height: 20px;
    background: var(--win-surface-alt);
    border-bottom: 1px solid var(--win-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    user-select: none;
}

.win-ruler-track {
    width: 820px;
    height: 100%;
    position: relative;
    background: repeating-linear-gradient(to right,
            transparent 0,
            transparent 38px,
            var(--win-border-strong) 38px,
            transparent 40px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    box-sizing: border-box;
}

.win-ruler-number {
    font-size: 9px;
    color: var(--win-text-disabled);
    font-family: var(--win-font-mono);
}

/* Paper Container with Smooth Scroll & Zoom */
.editor-paper-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 24px 20px 48px 20px;
    display: flex;
    justify-content: center;
    background: var(--win-workspace-bg);
    position: relative;
    box-sizing: border-box;
}

/* Desktop A4 Styled Paper */
.editor-wrapper {
    width: 820px;
    height: fit-content;
    min-height: 1050px;
    box-sizing: border-box;
    position: relative;
    transform-origin: top center;
    transition: transform 0.15s ease-out;
}

/* Adjust Editor Area */
.wysiwyg-editor {
    min-height: 900px;
    outline: none;
    font-size: 15px;
    line-height: 1.75;
    color: var(--win-text);
    font-family: inherit;
    word-break: break-word;
}

/* ==========================================================================
   5. Right Dock: Windows Copilot Panel (appleSidebar)
   ========================================================================== */

.apple-sidebar {
    width: 330px !important;
    min-width: 330px !important;
    background: var(--win-surface) !important;
    border-left: 1px solid var(--win-border) !important;
    box-shadow: none !important;
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    height: 100%;
    z-index: 50;
    transition: all 0.2s cubic-bezier(0.1, 0.9, 0.2, 1);
}

.apple-sidebar.closed {
    margin-right: -330px !important;
}

.win-sidebar-header {
    height: 38px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--win-border);
    background: var(--win-surface-alt);
}

.win-sidebar-title {
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--win-text);
}

.win-sidebar-title .material-symbols-rounded {
    color: var(--win-accent);
    font-size: 18px;
}

.win-sidebar-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.win-sidebar-scroll-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Refined Windows Cards inside Sidebar */
.sidebar-section {
    background: var(--win-surface-alt);
    border: 1px solid var(--win-border);
    border-radius: var(--win-radius-sm);
    padding: 10px;
    margin-bottom: 0 !important;
}

.sidebar-heading {
    font-size: 12px !important;
    font-weight: 600 !important;
    color: var(--win-text) !important;
    margin: 0 0 8px 0 !important;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-heading .material-symbols-rounded {
    font-size: 17px !important;
    color: var(--win-accent);
}

.btn-sidebar-op,
.btn-sidebar-op-accent {
    height: 32px !important;
    border-radius: var(--win-radius-sm) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    font-family: inherit !important;
    border: 1px solid var(--win-border) !important;
    background: var(--win-surface) !important;
    color: var(--win-text) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    transition: all 0.15s !important;
    box-shadow: none !important;
}

.btn-sidebar-op:hover {
    background: var(--win-hover) !important;
    border-color: var(--win-border-strong) !important;
}

.btn-sidebar-op:active {
    background: var(--win-pressed) !important;
    transform: scale(0.98);
}

.btn-sidebar-op-accent {
    background: var(--win-accent) !important;
    color: #ffffff !important;
    border-color: var(--win-accent) !important;
    font-weight: 600 !important;
}

.btn-sidebar-op-accent:hover {
    background: var(--win-accent-hover) !important;
}

.btn-sidebar-op-accent:active {
    background: var(--win-accent-active) !important;
}

/* ==========================================================================
   6. Windows 11 Bottom Status Bar
   ========================================================================== */

.win-statusbar {
    display: flex !important;
    height: 26px;
    min-height: 26px;
    flex-shrink: 0;
    background: var(--win-statusbar-bg);
    border-top: 1px solid var(--win-statusbar-border);
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    font-size: 11px;
    color: var(--win-text-secondary);
    user-select: none;
    z-index: 100;
    box-sizing: border-box;
}

.win-statusbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.win-sb-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 6px;
    border-radius: var(--win-radius-sm);
    cursor: default;
    transition: background 0.12s;
}

.win-sb-item.clickable {
    cursor: pointer;
}

.win-sb-item.clickable:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-sb-item .material-symbols-rounded {
    font-size: 14px;
}

.win-statusbar-center {
    display: flex;
    align-items: center;
    gap: 8px;
}

.win-ai-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 10.5px;
    font-weight: 500;
    background: var(--win-accent-light);
    color: var(--win-accent);
}

.win-ai-status-pill .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #107c41;
}

.win-statusbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* View Mode Toggles */
.win-view-toggles {
    display: flex;
    align-items: center;
    gap: 2px;
    border-right: 1px solid var(--win-border-subtle);
    padding-right: 8px;
}

.win-view-btn {
    width: 22px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--win-radius-sm);
    color: var(--win-text-secondary);
    cursor: pointer;
    padding: 0;
}

.win-view-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-view-btn.active {
    background: var(--win-accent-light);
    color: var(--win-accent);
}

.win-view-btn .material-symbols-rounded {
    font-size: 14px;
}

/* Zoom Slider */
.win-zoom-control {
    display: flex;
    align-items: center;
    gap: 6px;
}

.win-zoom-btn {
    background: transparent;
    border: none;
    color: var(--win-text-secondary);
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--win-radius-sm);
    padding: 0;
}

.win-zoom-btn:hover {
    background: var(--win-hover);
    color: var(--win-text);
}

.win-zoom-slider {
    width: 80px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--win-border-strong);
    border-radius: 2px;
    outline: none;
}

.win-zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--win-accent);
    cursor: pointer;
    transition: transform 0.1s;
}

.win-zoom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

.win-zoom-val {
    min-width: 34px;
    text-align: right;
    font-family: var(--win-font-mono);
    font-size: 10.5px;
}

/* ==========================================================================
   7. Windows Modal & Dialog Styling
   ========================================================================== */

.modal-overlay {
    background: rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(4px) !important;
}

.modal-content {
    background: var(--win-surface) !important;
    border: 1px solid var(--win-border-strong) !important;
    border-radius: var(--win-radius-lg) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28) !important;
    font-family: var(--win-font) !important;
    padding: 24px !important;
}

.modal-content h2 {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--win-text) !important;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-action-primary {
    background: var(--win-accent) !important;
    border-radius: var(--win-radius-sm) !important;
    color: #ffffff !important;
    border: none !important;
    font-weight: 600 !important;
    height: 32px !important;
    padding: 0 16px !important;
    font-size: 12.5px !important;
}

.btn-action-primary:hover {
    background: var(--win-accent-hover) !important;
}

.btn-action-secondary {
    background: var(--win-surface-alt) !important;
    border: 1px solid var(--win-border) !important;
    border-radius: var(--win-radius-sm) !important;
    color: var(--win-text) !important;
    height: 32px !important;
    padding: 0 16px !important;
    font-size: 12.5px !important;
}

.btn-action-secondary:hover {
    background: var(--win-hover) !important;
}

/* Windows Native Custom Scrollbars */
::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--win-border-strong);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--win-text-disabled);
    background-clip: padding-box;
}

/* Hide website footer in desktop mode */
footer:not(.win-statusbar) {
    display: none !important;
}

.decorate-style-card {
    background: var(--win-surface) !important;
    border-color: var(--win-border) !important;
}

.decorate-style-card:hover {
    border-color: #ec4899 !important;
    background: var(--win-surface-alt) !important;
}

.decorate-style-card.active {
    border-color: #ec4899 !important;
    background: rgba(236, 72, 153, 0.08) !important;
}

.style-card-title {
    color: var(--win-text) !important;
}

.style-card-desc {
    color: var(--win-text-secondary) !important;
}

/* ==========================================================================
   8. Restored Window Mode (Floating Window on Windows Wallpaper)
   ========================================================================== */

body.win-windowed-mode {
    background: url('https://images.unsplash.com/photo-1579546929518-9e396f3cc809?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

body.win-windowed-mode #app {
    width: 92vw !important;
    height: 92vh !important;
    border-radius: var(--win-radius-lg) !important;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.2) !important;
    border: 1px solid var(--win-border-strong) !important;
    overflow: hidden !important;
}

/* Minimized taskbar indicator pill */
.win-minimized-pill {
    position: fixed;
    bottom: 12px;
    left: 20px;
    background: var(--win-surface);
    border: 1px solid var(--win-border-strong);
    border-radius: var(--win-radius-md);
    padding: 8px 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    display: none;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    z-index: 99999;
    font-size: 12px;
    font-weight: 500;
    animation: winFlyoutIn 0.2s cubic-bezier(0.1, 0.9, 0.2, 1);
}

.win-minimized-pill:hover {
    background: var(--win-surface-alt);
    border-color: var(--win-accent);
}

/* ==========================================================================
   Windows Edition Ribbon Popovers & Emoji Picker Layer
   ========================================================================== */
.win-emoji-anchor {
    position: relative;
    display: inline-flex;
    align-items: stretch;
}

.emoji-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--win-surface);
    border: 1px solid var(--win-border-strong);
    border-radius: var(--win-radius-md);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1200;
    width: 336px;
    display: none;
    flex-direction: column;
    padding: 12px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-sizing: border-box;
}

.emoji-dropdown-menu.show {
    display: flex !important;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.emoji-item {
    background: transparent;
    border: 1px solid transparent;
    font-size: 1.35rem;
    padding: 6px 2px;
    cursor: pointer;
    border-radius: var(--win-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease, transform 0.15s ease;
    user-select: none;
}

.emoji-item:hover {
    background-color: var(--win-hover);
    border-color: var(--win-border-subtle);
    transform: scale(1.18);
}

.emoji-tip {
    font-size: 11px;
    color: var(--win-text-secondary);
    padding: 6px 8px;
    background: var(--win-surface-alt);
    border-radius: var(--win-radius-sm);
    border: 1px solid var(--win-border-subtle);
    line-height: 1.4;
    text-align: center;
}

/* Ribbon Popover z-index & positioning override */
.color-palette-popover {
    z-index: 1200 !important;
    background: var(--win-surface) !important;
    border: 1px solid var(--win-border-strong) !important;
    border-radius: var(--win-radius-md) !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

/* ==========================================================================
   Comprehensive Print Styles - Windows Desktop Edition
   (프린트 선택 시 도구모음, 리본메뉴, 타이틀바, 사이드바 등 숨기고 편집 내용만 인쇄)
   ========================================================================== */
@media print {
    @page {
        margin: 15mm 15mm 15mm 15mm;
        size: auto;
    }

    :root,
    [data-theme='dark'] {
        --win-bg: #ffffff !important;
        --win-surface: #ffffff !important;
        --win-paper-bg: #ffffff !important;
        --win-workspace-bg: #ffffff !important;
        --win-text: #000000 !important;
        --text-color: #000000 !important;
        --bg-color: #ffffff !important;
        --editor-bg: #ffffff !important;
        --border-color: #d2d2d7 !important;
    }

    /* 1. 모든 UI 장식, 도구모음, 리본메뉴, 타이틀바, 탐색기/사이드바, 상태표시줄, 팝업, 오버레이 완전 숨김 */
    site-header,
    footer,
    .app-header,
    .app-window-header,
    .gdoc-header,
    #gdocToolbar,
    .gdoc-dropdown,
    .win-titlebar,
    #winTitleBar,
    .win-ribbon,
    .win-ribbon-tabs-bar,
    .win-ribbon-body,
    .win-file-flyout,
    #winFileFlyout,
    .win-left-pane,
    #winLeftPane,
    .win-doc-ruler,
    .apple-sidebar,
    #appleSidebar,
    .win-statusbar,
    #winStatusBar,
    .win-minimized-pill,
    #winMinimizedPill,
    .selection-floating-toolbar,
    #selectionToolbar,
    .zen-floating-controls,
    #zenFloatingControls,
    .diff-review-bar,
    #diffReviewBar,
    .image-resizer-overlay,
    #imageResizerOverlay,
    .table-resizer-overlay,
    #tableResizerOverlay,
    .table-style-popover,
    #tableStylePopover,
    .color-palette-popover,
    .dropdown-menu,
    .win-menu,
    .modal-overlay,
    .toast-feedback,
    .loading-overlay,
    .code-block-header-right,
    .code-resize-handle,
    .code-size-badge,
    .code-block-selected::before,
    .code-block-selected::after,
    input[type="file"] {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        min-height: 0 !important;
        max-height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        opacity: 0 !important;
        pointer-events: none !important;
        position: absolute !important;
        top: -9999px !important;
        left: -9999px !important;
    }

    /* 2. 페이지 및 최상위 컨테이너를 가변 높이 및 인쇄 레이아웃으로 초기화 */
    html,
    body {
        background: #ffffff !important;
        color: #000000 !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        position: static !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    body.win-windowed-mode {
        display: block !important;
        padding: 0 !important;
        background: #ffffff !important;
    }

    body.win-windowed-mode #app,
    #app {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        max-height: none !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
        overflow: visible !important;
        position: static !important;
    }

    .workspace-container,
    .editor-workspace,
    .editor-main-layout,
    .win-center-workspace,
    .editor-paper-container {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: 0 !important;
        max-height: none !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
        overflow: visible !important;
        position: static !important;
    }

    /* 3. A4 가상 용지 래퍼 - 용지 테두리/그림자 제거 및 페이지 전체 출력 */
    .editor-wrapper {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        min-height: auto !important;
        height: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: #ffffff !important;
        transform: none !important;
        overflow: visible !important;
        position: static !important;
    }

    /* 4. 위지윅 본문 에디터 내용 스타일링 */
    .wysiwyg-editor {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        min-height: auto !important;
        height: auto !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: #ffffff !important;
        color: #000000 !important;
        font-size: 11pt !important;
        line-height: 1.6 !important;
        overflow: visible !important;
        word-break: break-word !important;
    }

    .wysiwyg-editor:empty:before {
        display: none !important;
    }

    /* 5. 인쇄 시 제목, 단락, 표, 이미지의 적절한 페이지 나눔 */
    .wysiwyg-editor h1,
    .wysiwyg-editor h2,
    .wysiwyg-editor h3,
    .wysiwyg-editor h4,
    .wysiwyg-editor h5,
    .wysiwyg-editor h6 {
        page-break-after: avoid !important;
        break-after: avoid !important;
        color: #000000 !important;
    }

    .wysiwyg-editor p,
    .wysiwyg-editor blockquote,
    .wysiwyg-editor ul,
    .wysiwyg-editor ol {
        orphans: 3;
        widows: 3;
    }

    .wysiwyg-editor img {
        max-width: 100% !important;
        height: auto !important;
        box-shadow: none !important;
        outline: none !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .wysiwyg-editor table {
        max-width: 100% !important;
        width: 100% !important;
        border-collapse: collapse !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .wysiwyg-editor th,
    .wysiwyg-editor td {
        border-color: #999999 !important;
        color: #000000 !important;
    }

    /* 코드 블록 인쇄 최적화 */
    .code-block-container {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
        background-color: #f6f8fa !important;
        border: 1px solid #d0d7de !important;
        border-radius: 6px !important;
        margin: 12px 0 !important;
        box-shadow: none !important;
        color: #24292f !important;
    }

    .code-block-header {
        background-color: #eaeef2 !important;
        border-bottom: 1px solid #d0d7de !important;
        color: #24292f !important;
    }

    .code-lang-select {
        background: transparent !important;
        color: #24292f !important;
        border: none !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }

    .code-block-body {
        background-color: #f6f8fa !important;
        max-height: none !important;
        overflow: visible !important;
    }

    .code-line-numbers {
        background-color: #eaeef2 !important;
        color: #8c959f !important;
        border-right: 1px solid #d0d7de !important;
    }

    .code-editor-area {
        background-color: #f6f8fa !important;
        color: #24292f !important;
        overflow: visible !important;
        white-space: pre-wrap !important;
        word-break: break-all !important;
    }

    .code-block-footer {
        display: none !important;
    }
}

/* ==========================================================================
   9. Mobile & Tablet Responsive Design (@media screen max-width: 992px / 768px / 480px)
   ========================================================================== */

@media screen and (max-width: 992px) {

    /* Shell Layout & Container */
    #app {
        height: 100vh !important;
        max-height: 100vh !important;
        overflow: hidden !important;
    }

    .editor-main-layout {
        position: relative !important;
        overflow: hidden !important;
        flex-direction: row !important;
    }

    /* 1. Windows Titlebar Adaptations */
    .win-titlebar {
        height: 38px;
        padding: 0 6px 0 8px;
    }

    .win-doc-badge {
        display: none !important;
    }

    .win-doc-title {
        font-size: 11px;
        max-width: 120px;
    }

    .win-search-box {
        height: 26px;
        padding: 0 4px;
    }

    .win-search-box input {
        font-size: 11px;
    }

    .win-titlebar-center {
        padding: 0 4px;
        max-width: 240px;
    }

    #winNavBtnText,
    #winLangBtnText {
        display: none !important;
    }

    .win-title-tool-btn {
        padding: 0 4px;
    }

    .win-caption-controls {
        display: none !important;
    }

    /* 2. Windows Fluent Ribbon Bar Adaptations */
    .win-ribbon-tabs-bar {
        padding: 0 4px;
        height: 30px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .win-ribbon-tabs-bar::-webkit-scrollbar {
        display: none;
    }

    .win-ribbon-tabs {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .win-ribbon-tab {
        height: 28px;
        padding: 0 8px;
        font-size: 11.5px;
    }

    .win-ribbon-tab.tab-file {
        height: 24px;
        padding: 0 6px;
        margin-right: 4px;
    }

    /* Compact Ribbon Right Utility Tools */
    .win-ribbon-right-tools .win-btn-small span:not(.material-symbols-rounded) {
        display: none !important;
    }

    .win-ribbon-right-tools .win-btn-small {
        padding: 0 5px;
        height: 24px;
    }

    /* Ribbon Body Horizontal Touch Scroll */
    .win-ribbon-body {
        min-height: auto;
        max-height: 86px;
        padding: 3px 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .win-ribbon-panel {
        width: max-content;
        flex-wrap: nowrap;
        gap: 4px;
    }

    .win-ribbon-group {
        padding: 0 4px;
    }

    .win-group-label {
        font-size: 9.5px;
        padding-top: 1px;
    }

    .win-btn-large {
        min-width: 42px;
        padding: 3px 5px;
        font-size: 10px;
        gap: 2px;
    }

    .win-btn-large .material-symbols-rounded {
        font-size: 19px;
    }

    .win-btn-small {
        height: 22px;
        padding: 0 4px;
        font-size: 11px;
        gap: 3px;
    }

    .win-btn-small .material-symbols-rounded {
        font-size: 15px;
    }

    .win-icon-btn {
        width: 24px;
        height: 22px;
    }

    .win-select {
        height: 22px !important;
        font-size: 11px !important;
    }

    /* 3. Slide-over Mobile Drawers (Left Explorer Pane & Right Copilot AI Panel) */
    .win-left-pane {
        position: absolute !important;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px !important;
        max-width: 85vw !important;
        z-index: 500 !important;
        box-shadow: 6px 0 25px rgba(0, 0, 0, 0.25) !important;
        transition: transform 0.25s cubic-bezier(0.1, 0.9, 0.2, 1), visibility 0.25s !important;
        margin-left: 0 !important;
        transform: translateX(0);
        visibility: visible;
    }

    .win-left-pane.collapsed {
        transform: translateX(-100%) !important;
        margin-left: 0 !important;
        visibility: hidden !important;
    }

    .apple-sidebar {
        position: absolute !important;
        top: 0;
        right: 0;
        bottom: 0;
        width: 320px !important;
        max-width: 90vw !important;
        min-width: 0 !important;
        z-index: 450 !important;
        box-shadow: -6px 0 25px rgba(0, 0, 0, 0.25) !important;
        transition: transform 0.25s cubic-bezier(0.1, 0.9, 0.2, 1), visibility 0.25s !important;
        margin-right: 0 !important;
        transform: translateX(0);
        visibility: visible;
    }

    .apple-sidebar.collapsed {
        transform: translateX(100%) !important;
        margin-right: 0 !important;
        visibility: hidden !important;
    }

    /* 4. Center Document Workspace & Virtual Sheet */
    .win-center-workspace {
        width: 100% !important;
        flex: 1 !important;
    }

    .editor-paper-container {
        padding: 6px 4px !important;
    }

    .editor-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        margin: 0 auto !important;
        padding: 16px 12px !important;
        border-radius: 4px !important;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
        transform: none !important;
        box-sizing: border-box !important;
    }

    .wysiwyg-editor {
        min-height: 380px !important;
        font-size: 15px !important;
        line-height: 1.65 !important;
    }

    /* 5. Floating Overlays & Interactive Controls */
    .selection-floating-toolbar {
        max-width: 94vw;
        overflow-x: auto;
        padding: 4px 6px;
    }

    .diff-review-bar {
        width: 92vw !important;
        max-width: 380px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        flex-direction: column !important;
        gap: 6px !important;
        padding: 8px 10px !important;
    }

    .diff-review-actions {
        width: 100% !important;
        justify-content: stretch !important;
        gap: 6px !important;
    }

    .diff-bar-btn {
        flex: 1 !important;
        justify-content: center !important;
    }

    .image-toolbar,
    .table-toolbar {
        max-width: 92vw !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }

    .resizer-handle,
    .table-handle {
        width: 20px !important;
        height: 20px !important;
    }

    /* Modals Responsive */
    .modal-content {
        width: 92vw !important;
        max-width: 92vw !important;
        padding: 16px !important;
        box-sizing: border-box !important;
    }
}

@media screen and (max-width: 768px) {

    /* Hide top horizontal ruler on phone screens */
    .win-doc-ruler {
        display: none !important;
    }

    /* Hide Quick Access Toolbar on mobile portrait */
    .win-quick-access {
        display: none !important;
    }

    /* Status Bar Mobile Compression */
    .win-statusbar {
        height: auto;
        min-height: 26px;
        padding: 2px 6px;
        flex-wrap: wrap;
        gap: 4px;
    }

    .win-statusbar-left .win-sb-item:nth-child(1),
    .win-statusbar-left .win-sb-item:nth-child(5) {
        display: none !important;
    }

    .win-zoom-control {
        display: none !important;
    }

    .win-statusbar-center {
        margin: 0 auto;
    }
}

@media screen and (max-width: 480px) {

    /* Header logo and title adaptations for extra small screens */
    .win-app-logo span {
        display: none !important;
    }

    .win-doc-title-container {
        display: none !important;
    }

    .win-titlebar-center {
        max-width: none !important;
        flex: 1 !important;
    }

    /* Hide group labels in ribbon to save vertical space */
    .win-group-label {
        display: none !important;
    }

    .win-ribbon-body {
        max-height: 72px;
        padding: 2px 4px;
    }

    .win-btn-large {
        padding: 2px 4px;
        min-width: 36px;
    }

    .win-btn-large span:not(.material-symbols-rounded) {
        font-size: 9.5px;
    }
}