/* ==========================================================================
   YakNet Dokümanlar - Complete Design System & Stylesheet v2.0 Enterprise
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System Tokens (Dark & Light Modes)
   -------------------------------------------------------------------------- */
:root {
    /* Brand Accent Colors */
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.15);
    --accent: #6366f1;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    /* Functional Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Theme Variables (Default Dark Mode) */
    --bg-main: #0f172a;
    --bg-header: #1e293b;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-paper: #ffffff;
    --text-paper: #0f172a;
    --bg-toolbar: #1e293b;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    
    --border-color: #334155;
    --border-hover: #475569;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
    --paper-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-theme {
    --bg-main: #f1f5f9;
    --bg-header: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-paper: #ffffff;
    --text-paper: #0f172a;
    --bg-toolbar: #ffffff;
    
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-subtle: #64748b;
    
    --border-color: #cbd5e1;
    --border-hover: #94a3b8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --paper-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* WCAG High Contrast Mode */
body.high-contrast {
    --bg-main: #000000;
    --bg-header: #111111;
    --bg-sidebar: #111111;
    --bg-card: #111111;
    --text-main: #ffffff;
    --text-muted: #ffff00;
    --border-color: #ffffff;
    --primary: #ffff00;
    --primary-hover: #ffffff;
}

/* --------------------------------------------------------------------------
   2. Reset, Base & WCAG Accessibility Helpers
   -------------------------------------------------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

*:focus-visible {
    outline: 3px solid var(--primary) !important;
    outline-offset: 3px !important;
}

/* Skip Navigation Link for Keyboard / Screen Reader Users */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--primary);
    color: #ffffff;
    padding: 10px 18px;
    font-weight: 700;
    font-size: 14px;
    border-radius: 8px;
    z-index: 999999;
    text-decoration: none;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 16px;
}

/* Screen Reader Only (Visually Hidden) Utility */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

/* Helper Text Accent */
.accent-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    text-decoration: none;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}
.btn-full {
    width: 100%;
}
.btn-primary {
    background: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}
.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background: var(--border-color);
    border-color: var(--border-hover);
}
.btn-accent {
    background: var(--accent-gradient);
    color: #ffffff;
}
.btn-accent:hover {
    opacity: 0.92;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}
.icon-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.text-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}
.text-btn:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   3. Header Navigation
   -------------------------------------------------------------------------- */
.app-header {
    height: 56px;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}
.brand-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.brand-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--primary-light);
    color: var(--primary);
    text-transform: uppercase;
}

.doc-title-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}
.doc-title-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.doc-title-wrapper input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
    max-width: 260px;
}
.doc-title-wrapper input:hover, .doc-title-wrapper input:focus {
    background: var(--bg-main);
    border-color: var(--border-color);
}
.icon-btn-star {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 15px;
    cursor: pointer;
    padding: 3px 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 4px;
}
.icon-btn-star:hover {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
}
.icon-btn-star.starred, .icon-btn-star.starred i {
    color: #f59e0b !important;
}
.save-status {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}
.save-status i {
    color: var(--success);
}

.header-center {
    display: flex;
    align-items: center;
}
.mode-tabs {
    display: flex;
    align-items: center;
    background-color: var(--bg-main);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.mode-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.mode-tab:hover {
    color: var(--text-main);
}
.mode-tab.active {
    background-color: var(--bg-card);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}
.yaknet-auth-container {
    display: flex;
    align-items: center;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}
.yaknet-auth-container yaknet-account {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
}
.yaknet-auth-container yaknet-account:hover {
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* --------------------------------------------------------------------------
   4. App Workspace & Sidebar
   -------------------------------------------------------------------------- */
.app-workspace {
    display: flex;
    width: 100vw;
    height: calc(100vh - 56px);
    overflow: hidden;
}

.app-sidebar {
    width: 260px;
    min-width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 20px;
    transition: var(--transition);
    overflow-y: auto;
}
.app-sidebar.collapsed {
    margin-left: -260px;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    padding: 0;
}

.nav-folders {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nav-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.nav-folder-item:hover, .nav-folder-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.doc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.doc-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.doc-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}
.doc-item i {
    color: var(--text-muted);
    font-size: 14px;
}
.doc-item .doc-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-left: 8px;
}

.templates-grid-mini {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.template-card-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 8px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    color: var(--text-main);
}
.template-card-mini:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.template-card-mini i {
    font-size: 18px;
    color: var(--primary);
}
.template-card-mini span {
    font-size: 11px;
    font-weight: 600;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex: 1;
    height: 100%;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-main);
}

.view-panel {
    display: none;
    width: 100%;
    height: 100%;
    flex-direction: column;
}
.view-panel.active {
    display: flex;
}

/* --------------------------------------------------------------------------
   5. Mode 0: Dashboard & Analytics
   -------------------------------------------------------------------------- */
.dashboard-container {
    padding: 32px;
    overflow-y: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
}
.stat-info {
    display: flex;
    flex-direction: column;
}
.stat-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}
.stat-value {
    font-size: 20px;
    font-weight: 700;
    margin-top: 2px;
}

.workspace-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.search-box {
    position: relative;
    flex: 1;
    max-width: 480px;
}
.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.search-box input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    outline: none;
    font-size: 14px;
    transition: var(--transition);
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.workspace-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.workspace-docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.doc-card-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.doc-card-item:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.doc-card-icon {
    font-size: 24px;
    color: var(--primary);
}
.doc-card-title {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.doc-card-date {
    font-size: 12px;
    color: var(--text-muted);
}
.doc-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 8px;
}

/* ==========================================================================
   6. Mode 1: YakDocs Kurumsal Belge Stüdyosu Bileşenleri
   ========================================================================== */

/* Üst Menü Çubuğu */
.gdocs-menubar {
    height: 32px;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 2px;
    user-select: none;
    z-index: 50;
    position: relative;
}

.gdocs-menu-item {
    position: relative;
}

.gdocs-menu-trigger {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.gdocs-menu-trigger:hover,
.gdocs-menu-item.open .gdocs-menu-trigger {
    background-color: var(--primary-light);
    color: var(--primary);
}

.gdocs-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 250px;
    padding: 6px 0;
    z-index: 1000;
}

.gdocs-menu-item.open .gdocs-dropdown {
    display: block;
}

.gdocs-dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 7px 14px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    gap: 10px;
    transition: var(--transition);
}

.gdocs-dropdown-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.gdocs-dropdown-item i {
    width: 16px;
    text-align: center;
    font-size: 13px;
}

.gdocs-shortcut {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-muted);
}

.gdocs-menu-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 5px 0;
}

/* Submenu Flyout */
.gdocs-submenu-wrapper {
    position: relative;
}

.gdocs-submenu-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gdocs-arrow {
    font-size: 10px;
    margin-left: auto;
    color: var(--text-muted);
}

.gdocs-submenu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    padding: 6px 0;
    z-index: 1001;
}

.gdocs-submenu-wrapper:hover .gdocs-submenu {
    display: block;
}

.gdocs-check {
    opacity: 0;
}
.gdocs-check.active {
    opacity: 1;
    color: var(--primary);
}

/* --------------------------------------------------------------------------
   Ana Biçimlendirme Araç Çubuğu
   -------------------------------------------------------------------------- */
.gdocs-toolbar {
    height: 42px;
    background-color: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 3px;
    overflow-x: auto;
    user-select: none;
    z-index: 40;
}

.gdocs-tool-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.gdocs-tool-divider {
    width: 1px;
    height: 18px;
    background-color: var(--border-color);
    margin: 0 4px;
}

.gdocs-tool-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.gdocs-tool-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.gdocs-tool-btn.active {
    background-color: var(--primary);
    color: #ffffff;
}

.gdocs-tool-btn-sm {
    width: 22px;
    height: 22px;
    font-size: 11px;
}

.gdocs-select {
    height: 28px;
    padding: 0 6px;
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
}

.gdocs-select:focus {
    border-color: var(--primary);
}

.gdocs-select-sm {
    width: 68px;
}

.gdocs-fontsize-group {
    display: flex;
    align-items: center;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1px;
}

.gdocs-size-input {
    width: 30px;
    height: 22px;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--text-main);
    font-size: 12px;
    font-weight: 600;
    outline: none;
}

.gdocs-color-bar {
    position: absolute;
    bottom: 2px;
    left: 4px;
    right: 4px;
    height: 3px;
    border-radius: 1px;
}

.gdocs-color-dropdown-wrapper,
.gdocs-table-picker-wrapper {
    position: relative;
}

.gdocs-palette-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    z-index: 1000;
    width: 190px;
}

.gdocs-palette-menu.show {
    display: block;
}

.palette-header {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}

.color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    transition: transform 0.15s ease;
}

.color-swatch:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px var(--primary);
}

.palette-custom {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    display: flex;
    align-items: center;
}

.palette-custom input[type="color"] {
    margin-left: 6px;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 24px;
    height: 24px;
}

/* 10x10 Table Grid Picker */
.gdocs-table-grid-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 12px;
    z-index: 1000;
}

.gdocs-table-grid-dropdown.show {
    display: block;
}

.grid-picker-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 8px;
}

.grid-cells-container {
    display: grid;
    grid-template-columns: repeat(10, 18px);
    grid-template-rows: repeat(10, 18px);
    gap: 3px;
}

.grid-cell {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    background: var(--bg-main);
    cursor: pointer;
    transition: background-color 0.1s ease;
}

.grid-cell.highlighted {
    background-color: var(--primary);
    border-color: var(--primary);
}

.gdocs-toolbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --------------------------------------------------------------------------
   Yatay Cetvel (Horizontal Ruler)
   -------------------------------------------------------------------------- */
.gdocs-ruler-container {
    height: 18px;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    overflow: hidden;
    user-select: none;
}

.gdocs-ruler {
    width: 816px;
    height: 100%;
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
}

.ruler-scale {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-end;
}

.ruler-tick {
    position: absolute;
    bottom: 0;
    width: 1px;
    background: var(--border-color);
}
.ruler-tick.major {
    height: 10px;
}
.ruler-tick.minor {
    height: 5px;
}
.ruler-num {
    position: absolute;
    bottom: 7px;
    font-size: 9px;
    color: var(--text-muted);
    transform: translateX(-50%);
}

.ruler-margin-left {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 90px;
    background: rgba(0, 0, 0, 0.15);
    border-right: 2px solid var(--primary);
}

.ruler-margin-right {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 90px;
    background: rgba(0, 0, 0, 0.15);
    border-left: 2px solid var(--primary);
}

/* --------------------------------------------------------------------------
   Belge Çalışma Alanı & A4 Sayfa Tuvali
   -------------------------------------------------------------------------- */
.gdocs-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-main);
}

/* Document Outline Sidebar (İçindekiler) */
.gdocs-outline-panel {
    width: 240px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
    overflow-y: auto;
    z-index: 30;
}

.gdocs-outline-panel.collapsed {
    width: 0;
    padding: 0;
    overflow: hidden;
    border-right: none;
}

.outline-header {
    height: 40px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.outline-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
}
.outline-close-btn:hover {
    color: var(--text-main);
}

.outline-content {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.outline-empty {
    padding: 16px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.outline-item {
    padding: 6px 10px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition);
}

.outline-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.outline-item.depth-1 { font-weight: 700; padding-left: 10px; }
.outline-item.depth-2 { padding-left: 20px; color: var(--text-muted); }
.outline-item.depth-3 { padding-left: 30px; font-size: 11px; color: var(--text-subtle); }
.outline-item.depth-4 { padding-left: 40px; font-size: 11px; color: var(--text-subtle); }

/* Document Comments Sidebar (Yorumlar ve İncelemeler) */
.gdocs-comments-panel {
    width: 320px;
    background-color: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
    overflow-y: auto;
    z-index: 30;
}

.gdocs-comments-panel.collapsed {
    display: none !important;
}

.comments-header {
    height: 40px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.comments-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
}
.comments-close-btn:hover {
    color: var(--text-main);
    background-color: var(--bg-hover);
}

.comments-add-box {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.comments-add-box textarea {
    width: 100%;
    resize: vertical;
    font-size: 13px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-main);
    color: var(--text-main);
    outline: none;
    font-family: inherit;
}
.comments-add-box textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.comments-actions-row {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.comments-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    overflow-y: auto;
}

.comments-empty {
    padding: 24px 16px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.5;
}

/* Comment Cards */
.comment-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition);
}
.comment-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.comment-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}
.comment-card.resolved {
    opacity: 0.65;
    background-color: rgba(0,0,0,0.02);
    border-style: dashed;
}
body.doc-dark-mode .comment-card.resolved {
    background-color: rgba(255,255,255,0.02);
}

.comment-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
}
.comment-author {
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}
.comment-time {
    color: var(--text-muted);
}

.comment-quote {
    font-size: 11px;
    color: var(--text-muted);
    border-left: 2px solid #f59e0b;
    padding-left: 8px;
    margin: 2px 0 6px 0;
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.comment-text {
    font-size: 13px;
    color: var(--text-main);
    line-height: 1.45;
    word-break: break-word;
}

.comment-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 4px;
}
.comment-btn-resolve, .comment-btn-delete {
    background: transparent;
    border: none;
    font-size: 11px;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.comment-btn-resolve {
    color: var(--success);
}
.comment-btn-resolve:hover {
    background-color: rgba(16, 185, 129, 0.1);
}
.comment-btn-delete {
    color: var(--danger);
}
.comment-btn-delete:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* Comment Mark on Document text */
.doc-comment-mark {
    background-color: rgba(251, 191, 36, 0.35);
    border-bottom: 2px solid #f59e0b;
    border-radius: 2px;
    padding: 0 1px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}
.doc-comment-mark:hover, .doc-comment-mark.active {
    background-color: rgba(251, 191, 36, 0.65);
}
.doc-comment-mark.resolved {
    background-color: rgba(148, 163, 184, 0.2);
    border-bottom-color: #94a3b8;
    text-decoration: none;
}

/* Scrollable Container for Canvas */
.gdocs-scroll-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 24px 20px 80px 20px;
    display: flex;
    justify-content: center;
    position: relative;
}

/* Realistic Paper Sheet (A4 Portrait) */
.gdocs-paper-sheet {
    width: 816px;
    min-height: 1056px;
    background-color: #ffffff;
    color: #0f172a;
    padding: 72px 90px;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
    position: relative;
    transition: width 0.2s ease, min-height 0.2s ease, padding 0.2s ease, background-color 0.2s ease;
    transform-origin: top center;
}

/* Landscape Orientation */
.gdocs-paper-sheet.page-landscape {
    width: 1056px;
    min-height: 816px;
}

/* Page Sizes */
.gdocs-paper-sheet.page-size-letter {
    width: 816px;
    min-height: 1056px;
}
.gdocs-paper-sheet.page-size-letter.page-landscape {
    width: 1056px;
    min-height: 816px;
}

.gdocs-paper-sheet.page-size-a4 {
    width: 794px;
    min-height: 1123px;
}
.gdocs-paper-sheet.page-size-a4.page-landscape {
    width: 1123px;
    min-height: 794px;
}

.gdocs-paper-sheet.page-size-a5 {
    width: 559px;
    min-height: 794px;
}
.gdocs-paper-sheet.page-size-a5.page-landscape {
    width: 794px;
    min-height: 559px;
}

/* Margins */
.gdocs-paper-sheet.page-margin-compact {
    padding: 36px 45px;
}
.gdocs-paper-sheet.page-margin-normal {
    padding: 72px 90px;
}
.gdocs-paper-sheet.page-margin-wide {
    padding: 96px 120px;
}

body.doc-dark-mode .gdocs-paper-sheet {
    background-color: #1e293b;
    color: #f8fafc;
}

/* Header & Footer zones */
.gdocs-sheet-header {
    min-height: 20px;
    margin-bottom: 24px;
    padding-bottom: 8px;
    border-bottom: 1px dashed transparent;
    font-size: 12px;
    color: #64748b;
    outline: none;
    transition: border-color 0.2s ease;
}
.gdocs-sheet-header:hover, .gdocs-sheet-header:focus {
    border-bottom-color: #cbd5e1;
}

.gdocs-sheet-footer {
    min-height: 20px;
    margin-top: 48px;
    padding-top: 12px;
    border-top: 1px dashed transparent;
    font-size: 12px;
    color: #64748b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.2s ease;
}
.gdocs-sheet-footer:hover {
    border-top-color: #cbd5e1;
}

/* Document Body & Typography */
.gdocs-editor-body {
    min-height: 900px;
    outline: none;
    font-size: 15px;
    line-height: 1.65;
    word-break: break-word;
}

.gdocs-editor-body h1 {
    font-size: 26px;
    font-weight: 700;
    margin: 20px 0 10px 0;
    color: inherit;
    line-height: 1.3;
}

.gdocs-editor-body h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 18px 0 8px 0;
    color: inherit;
    line-height: 1.35;
}

.gdocs-editor-body h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 14px 0 6px 0;
    color: inherit;
    line-height: 1.4;
}

.gdocs-editor-body h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 12px 0 4px 0;
    color: inherit;
}

.gdocs-editor-body p {
    margin: 0 0 12px 0;
}

.gdocs-editor-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.gdocs-editor-body th,
.gdocs-editor-body td {
    border: 1px solid #cbd5e1;
    padding: 8px 12px;
    vertical-align: top;
}

.gdocs-editor-body th {
    background-color: rgba(0, 0, 0, 0.04);
    font-weight: 700;
}

body.doc-dark-mode .gdocs-editor-body th,
body.doc-dark-mode .gdocs-editor-body td {
    border-color: #475569;
}
body.doc-dark-mode .gdocs-editor-body th {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Table Style Themes */
.gdocs-editor-body table.table-corporate {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid #93c5fd;
    border-radius: 6px;
    overflow: hidden;
}
.gdocs-editor-body table.table-corporate th {
    background-color: #eff6ff;
    color: #1e40af;
    border-color: #dbeafe;
    font-weight: 700;
}
.gdocs-editor-body table.table-corporate td {
    border-color: #eff6ff;
}
.gdocs-editor-body table.table-corporate tr:nth-child(even) td {
    background-color: #f8fafc;
}
body.doc-dark-mode .gdocs-editor-body table.table-corporate {
    border-color: #1e3a8a;
}
body.doc-dark-mode .gdocs-editor-body table.table-corporate th {
    background-color: #172554;
    color: #93c5fd;
    border-color: #1e3a8a;
}
body.doc-dark-mode .gdocs-editor-body table.table-corporate td {
    border-color: #1e293b;
}
body.doc-dark-mode .gdocs-editor-body table.table-corporate tr:nth-child(even) td {
    background-color: #0f172a;
}

.gdocs-editor-body table.table-striped tbody tr:nth-child(odd) td {
    background-color: rgba(0, 0, 0, 0.025);
}
body.doc-dark-mode .gdocs-editor-body table.table-striped tbody tr:nth-child(odd) td {
    background-color: rgba(255, 255, 255, 0.03);
}

.gdocs-editor-body table.table-minimal {
    border: none;
}
.gdocs-editor-body table.table-minimal th,
.gdocs-editor-body table.table-minimal td {
    border: none;
    border-bottom: 1px solid #e2e8f0;
}
body.doc-dark-mode .gdocs-editor-body table.table-minimal th,
body.doc-dark-mode .gdocs-editor-body table.table-minimal td {
    border-bottom-color: #334155;
}

.gdocs-editor-body blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 16px;
    margin: 16px 0;
    color: #64748b;
    font-style: italic;
}

.gdocs-editor-body pre {
    background: #f1f5f9;
    color: #0f172a;
    padding: 14px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 13px;
    overflow-x: auto;
    margin: 14px 0;
}

body.doc-dark-mode .gdocs-editor-body pre {
    background: #0f172a;
    color: #f8fafc;
}

.gdocs-editor-body code {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.06);
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 13px;
}

.gdocs-editor-body hr {
    border: none;
    border-top: 1px solid #cbd5e1;
    margin: 20px 0;
}

.gdocs-editor-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
}

/* Checklists */
.gdocs-editor-body ul.checklist {
    list-style: none;
    padding-left: 4px;
}

.gdocs-editor-body ul.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.gdocs-editor-body ul.checklist li input[type="checkbox"] {
    margin-top: 5px;
    cursor: pointer;
    width: 15px;
    height: 15px;
}

.gdocs-editor-body ul.checklist li.checked {
    text-decoration: line-through;
    opacity: 0.6;
}

/* Sayfa Sonu Çizgisi */
.gdocs-page-break {
    margin: 36px -90px;
    height: 28px;
    background: #e2e8f0;
    border-top: 1px dashed #94a3b8;
    border-bottom: 1px dashed #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    user-select: none;
}

body.doc-dark-mode .gdocs-page-break {
    background: #0f172a;
    border-color: #334155;
    color: #94a3b8;
}

/* --------------------------------------------------------------------------
   Yüzen Bul ve Değiştir Paneli
   -------------------------------------------------------------------------- */
.gdocs-find-replace-panel {
    position: absolute;
    top: 16px;
    right: 24px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 12px;
    width: 360px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.fr-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fr-input-group {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.fr-input-group input {
    width: 100%;
    height: 30px;
    padding: 0 54px 0 28px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 12px;
    outline: none;
}
.fr-input-group input:focus {
    border-color: var(--primary);
}

.fr-icon {
    position: absolute;
    left: 8px;
    font-size: 11px;
    color: var(--text-muted);
}

.fr-counter {
    position: absolute;
    right: 8px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.fr-btn {
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.fr-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.fr-options {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}
.fr-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Alt Durum Çubuğu
   -------------------------------------------------------------------------- */
.gdocs-statusbar {
    height: 28px;
    background-color: var(--bg-header);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    font-size: 11px;
    color: var(--text-muted);
    user-select: none;
    z-index: 40;
}

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

.statusbar-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--transition);
}
.statusbar-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.statusbar-divider {
    width: 1px;
    height: 12px;
    background-color: var(--border-color);
}

.statusbar-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* --------------------------------------------------------------------------
   7. Mode 2: PDF Stüdyosu
   -------------------------------------------------------------------------- */
.pdf-toolbar {
    height: 48px;
    background-color: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.pdf-tools-left, .pdf-tools-center, .pdf-tools-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pdf-nav, .pdf-zoom {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}
.pdf-nav input {
    width: 40px;
    text-align: center;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 4px;
    padding: 2px;
}

.pdf-tool-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}
.pdf-tool-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}
.pdf-tool-btn.active {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.pdf-workspace-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.pdf-thumbnails-sidebar {
    width: 180px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.thumb-header {
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}
.thumb-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.thumb-item {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
    text-align: center;
    background: #000;
}
.thumb-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}
.thumb-item canvas {
    width: 100%;
    display: block;
}

.pdf-stage {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background-color: #0b1120;
}

.pdf-drop-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 500px;
}
.drop-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.pdf-canvas-wrapper {
    position: relative;
    box-shadow: var(--paper-shadow);
}
#pdfRenderCanvas {
    display: block;
}
#pdfAnnotationCanvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: crosshair;
}

/* --------------------------------------------------------------------------
   8. Mode 3: PDF Utility Tools Grid
   -------------------------------------------------------------------------- */
.tools-dashboard {
    padding: 40px;
    overflow-y: auto;
    max-width: 1200px;
    margin: 0 auto;
}
.tools-header {
    margin-bottom: 30px;
}
.tools-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
}
.tools-header p {
    color: var(--text-muted);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.tool-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
}
.tool-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
}
.bg-blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.bg-purple { background: linear-gradient(135deg, #a855f7, #6b21a8); }
.bg-green { background: linear-gradient(135deg, #10b981, #047857); }
.bg-orange { background: linear-gradient(135deg, #f97316, #c2410c); }
.bg-red { background: linear-gradient(135deg, #ef4444, #b91c1c); }
.bg-teal { background: linear-gradient(135deg, #14b8a6, #0f766e); }

/* --------------------------------------------------------------------------
   9. Modals, Shortcuts & Revisions
   -------------------------------------------------------------------------- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.open {
    display: flex;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}
.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.shortcut-list, .revisions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background-color: var(--bg-main);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.shortcut-item kbd {
    background: var(--primary);
    color: #ffffff;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.revision-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 13px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}
.form-control {
    padding: 10px 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    outline: none;
}

/* Dropdown Menu System */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    z-index: 100;
    padding: 6px 0;
}
.dropdown-menu.show {
    display: block;
}
.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.dropdown-menu a:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.signature-pad-container {
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: #ffffff;
    margin-top: 10px;
}
.signature-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}

/* Utility Colors */
.text-red { color: #ef4444; }
.text-amber { color: #f59e0b; }
.text-blue { color: #3b82f6; }
.text-orange { color: #f97316; }

/* --------------------------------------------------------------------------
   10. Authentication Lock Overlay System
   -------------------------------------------------------------------------- */
html.sso-presumed-authenticated .auth-lock-overlay,
.auth-lock-overlay.hidden,
.auth-lock-overlay[style*="display: none"] {
    display: none !important;
}

.auth-lock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(8px);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-lock-card {
    background-color: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 480px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.auth-lock-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}
.auth-lock-card h2 {
    font-size: 22px;
    font-weight: 800;
}
.auth-lock-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}
.auth-lock-actions {
    margin-top: 8px;
}
.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
    border-radius: var(--radius-md);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* ==========================================================================
   11. Belge İletişim Pencereleri (Sayfa Ayarları, İstatistikler, Bağlantılar)
   ========================================================================== */

/* Page Setup Margins Grid */
.margins-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 6px;
}
.text-xs {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 3px;
    display: block;
}

/* İstatistik ve Belge Bilgisi Tablosu */
.stats-table {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.stats-row-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}
.stats-row-item:last-child {
    border-bottom: none;
}

/* Special Characters Tabs & Grid */
.special-char-categories {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 12px;
}
.sc-tab {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    padding: 5px 12px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}
.sc-tab.active, .sc-tab:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}
.special-char-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding: 4px;
}
.special-char-btn {
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition);
}
.special-char-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: scale(1.15);
}

/* High Fidelity Print Stylesheet */
@media print {
    body, html {
        background: #ffffff !important;
        color: #000000 !important;
        width: 100% !important;
        height: auto !important;
        overflow: visible !important;
    }

    .app-header,
    .app-sidebar,
    .gdocs-menubar,
    .gdocs-toolbar,
    .gdocs-ruler-container,
    .gdocs-outline-panel,
    .gdocs-find-replace-panel,
    .gdocs-statusbar,
    .modal,
    .skip-link,
    .auth-lock-overlay {
        display: none !important;
    }

    .app-workspace,
    .main-content,
    .view-panel,
    .gdocs-workspace,
    .gdocs-scroll-container {
        padding: 0 !important;
        margin: 0 !important;
        background: #ffffff !important;
        overflow: visible !important;
        display: block !important;
        width: 100% !important;
    }

    .gdocs-paper-sheet {
        box-shadow: none !important;
        border: none !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .gdocs-page-break {
        page-break-after: always;
        break-after: page;
        display: none;
    }

    .gdocs-editor-body {
        color: #000000 !important;
    }

    .gdocs-editor-body table,
    .gdocs-editor-body img,
    .gdocs-editor-body blockquote,
    .gdocs-editor-body pre {
        page-break-inside: avoid;
        break-inside: avoid;
    }

    @page {
        size: A4 portrait;
        margin: 20mm;
    }
}

/* --------------------------------------------------------------------------
   21. Full WCAG AAA Low-Vision High Contrast Mode
   -------------------------------------------------------------------------- */
body.high-contrast {
    --bg-main: #000000 !important;
    --bg-header: #050505 !important;
    --bg-sidebar: #050505 !important;
    --bg-card: #0d0d0d !important;
    --bg-dropdown: #000000 !important;
    --text-main: #ffffff !important;
    --text-muted: #ffff55 !important;
    --border-color: #ffffff !important;
    --primary: #ffff00 !important;
    --primary-hover: #ffffff !important;
    --primary-light: #222200 !important;
    background-color: #000000 !important;
    color: #ffffff !important;
}

body.high-contrast *:focus-visible {
    outline: 3px solid #ffff00 !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 2px #000000 !important;
}

body.high-contrast .app-header {
    background-color: #000000 !important;
    border-bottom: 2px solid #ffffff !important;
}

body.high-contrast .app-sidebar {
    background-color: #050505 !important;
    border-right: 2px solid #ffffff !important;
}

body.high-contrast .mode-tab {
    color: #ffffff !important;
    border: 1px solid #444444 !important;
}

body.high-contrast .mode-tab.active {
    background-color: #ffff00 !important;
    color: #000000 !important;
    font-weight: 700 !important;
}

body.high-contrast .gdocs-menubar {
    background-color: #000000 !important;
    border-bottom: 2px solid #ffffff !important;
}

body.high-contrast .gdocs-menu-trigger {
    color: #ffffff !important;
    font-weight: 700 !important;
}

body.high-contrast .gdocs-menu-trigger:hover,
body.high-contrast .gdocs-menu-item.open .gdocs-menu-trigger {
    background-color: #ffff00 !important;
    color: #000000 !important;
}

body.high-contrast .gdocs-dropdown,
body.high-contrast .gdocs-submenu,
body.high-contrast .dropdown-menu {
    background-color: #000000 !important;
    border: 2px solid #ffffff !important;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.3) !important;
}

body.high-contrast .gdocs-dropdown-item {
    color: #ffffff !important;
}

body.high-contrast .gdocs-dropdown-item:hover,
body.high-contrast .gdocs-dropdown-item:focus {
    background-color: #ffff00 !important;
    color: #000000 !important;
    font-weight: 700 !important;
}

body.high-contrast .gdocs-toolbar {
    background-color: #050505 !important;
    border-bottom: 2px solid #ffffff !important;
}

body.high-contrast .gdocs-tool-btn {
    color: #ffffff !important;
    border: 1px solid #555555 !important;
}

body.high-contrast .gdocs-tool-btn:hover,
body.high-contrast .gdocs-tool-btn.active,
body.high-contrast .gdocs-tool-btn[aria-pressed="true"] {
    background-color: #ffff00 !important;
    color: #000000 !important;
    border-color: #ffff00 !important;
    font-weight: 700 !important;
}

body.high-contrast .gdocs-select,
body.high-contrast .gdocs-size-input,
body.high-contrast input[type="text"],
body.high-contrast input[type="number"],
body.high-contrast textarea,
body.high-contrast select {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .gdocs-paper-sheet {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 3px solid #ffff00 !important;
    box-shadow: 0 0 0 2px #ffffff !important;
}

body.high-contrast .gdocs-editor-body {
    color: #ffffff !important;
}

body.high-contrast .gdocs-editor-body * {
    color: inherit;
    border-color: #ffffff !important;
}

body.high-contrast .gdocs-editor-body table,
body.high-contrast .gdocs-editor-body th,
body.high-contrast .gdocs-editor-body td {
    border: 2px solid #ffffff !important;
}

body.high-contrast .gdocs-editor-body blockquote {
    border-left: 5px solid #ffff00 !important;
    background: #111111 !important;
}

body.high-contrast .gdocs-editor-body pre {
    background: #111111 !important;
    border: 1px solid #ffffff !important;
}

body.high-contrast .gdocs-statusbar {
    background-color: #000000 !important;
    border-top: 2px solid #ffffff !important;
    color: #ffffff !important;
}

body.high-contrast .modal-content {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 3px solid #ffff00 !important;
    box-shadow: 0 0 24px rgba(255, 255, 0, 0.3) !important;
}

body.high-contrast .modal-header,
body.high-contrast .modal-footer {
    border-color: #ffffff !important;
}

body.high-contrast .btn-primary {
    background-color: #ffff00 !important;
    color: #000000 !important;
    font-weight: 700 !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .btn-secondary {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .doc-card {
    background-color: #0d0d0d !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .doc-card:hover {
    border-color: #ffff00 !important;
}

body.high-contrast .icon-btn.active {
    background-color: #ffff00 !important;
    color: #000000 !important;
}

/* --------------------------------------------------------------------------
   22. Low-Vision Font Scaling & Dyslexia Readability (Normal / Large / XL)
   -------------------------------------------------------------------------- */
body.text-size-lg {
    font-size: 16px;
}
body.text-size-lg .app-header {
    min-height: 62px;
}
body.text-size-lg .gdocs-menu-trigger {
    font-size: 15px;
    padding: 6px 10px;
}
body.text-size-lg .gdocs-tool-btn {
    width: 36px;
    height: 36px;
    font-size: 15px;
}
body.text-size-lg .gdocs-select {
    font-size: 14px;
    height: 36px;
}
body.text-size-lg .gdocs-editor-body {
    font-size: 18px !important;
    line-height: 1.8 !important;
}
body.text-size-lg .doc-card-title,
body.text-size-lg .stat-value {
    font-size: 18px;
}
body.text-size-lg .modal-content {
    font-size: 16px;
}

body.text-size-xl {
    font-size: 18px;
}
body.text-size-xl .app-header {
    min-height: 70px;
}
body.text-size-xl .gdocs-menu-trigger {
    font-size: 17px;
    padding: 8px 12px;
}
body.text-size-xl .gdocs-tool-btn {
    width: 40px;
    height: 40px;
    font-size: 17px;
}
body.text-size-xl .gdocs-select {
    font-size: 16px;
    height: 40px;
}
body.text-size-xl .gdocs-editor-body {
    font-size: 21px !important;
    line-height: 1.95 !important;
}
body.text-size-xl .doc-card-title,
body.text-size-xl .stat-value {
    font-size: 20px;
}
body.text-size-xl .modal-content {
    font-size: 18px;
}