/* ============================================
   CHUCK Design System
   A document hub with Apple-level polish
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #9D0000;
    --color-primary-dark: #7A0000;
    --color-primary-light: #B31919;
    --color-accent: #FC610A;
    --color-accent-light: #FF7A2E;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EBEBEB;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-black: #0A0A0A;
    
    /* Semantic */
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
    
    /* UI Colors */
    --color-border: #E5E5E5;
    --color-background: #FAFAFA;
    --color-text: #171717;
    --color-text-muted: #737373;
    --color-text-light: #A3A3A3;
    
    /* Typography */
    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-logo: 'Libre Baskerville', 'Georgia', 'Times New Roman', serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(252, 97, 10, 0.15);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --header-height: 72px;
    --container-max: 1400px;
    --container-narrow: 720px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Header - Glass Effect
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 100;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-8);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-logo);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-700);
    text-transform: uppercase;
}

/* Search */
.search-container {
    flex: 1;
    max-width: 480px;
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-gray-400);
    pointer-events: none;
}

.search-input {
    width: 100%;
    height: 44px;
    padding: 0 var(--spacing-4) 0 var(--spacing-12);
    background: var(--color-gray-100);
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    color: var(--color-gray-800);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.search-input::placeholder {
    color: var(--color-gray-400);
}

.search-input:hover {
    background: var(--color-gray-200);
}

.search-input:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(157, 0, 0, 0.1);
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 200;
    border: 1px solid var(--color-gray-200);
}

.search-results.active {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--color-gray-800);
}

.search-result-item:hover,
.search-result-item.active {
    background: var(--color-gray-50);
}

.search-result-thumb {
    width: 40px;
    height: 52px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.search-result-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-path {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-no-results {
    padding: var(--spacing-6);
    text-align: center;
    color: var(--color-gray-500);
}

/* User menu */
.header-nav {
    margin-left: auto;
}

.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition);
}

.user-menu-trigger:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.chevron {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    display: none;
    z-index: 200;
}

.user-dropdown.active {
    display: block;
}

.user-dropdown-header {
    padding: var(--spacing-4);
}

.user-dropdown-name {
    font-weight: 600;
    color: var(--color-gray-800);
}

.user-dropdown-email {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--color-gray-200);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    transition: background var(--transition-fast);
}

.user-dropdown-item:hover {
    background: var(--color-gray-50);
}

.user-dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-gray-500);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

.page-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-8) var(--spacing-8);
}

.page-container-narrow {
    max-width: var(--container-narrow);
}

/* ============================================
   Home Page
   ============================================ */
.home-page {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-10) var(--spacing-8) var(--spacing-20);
}

/* Welcome Header */
.welcome-header {
    padding: var(--spacing-8) 0 var(--spacing-12);
}

.welcome-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.welcome-name {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
}

/* Sections */
.section {
    margin-bottom: var(--spacing-12);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.section-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
}

/* ============================================
   Recent Documents Carousel
   ============================================ */
.recent-docs-scroll {
    overflow-x: auto;
    margin: 0 calc(-1 * var(--spacing-8));
    padding: 0 var(--spacing-8);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.recent-docs-scroll::-webkit-scrollbar {
    display: none;
}

.recent-docs-track {
    display: flex;
    gap: var(--spacing-5);
    padding-bottom: var(--spacing-2);
}

.recent-doc-card {
    flex-shrink: 0;
    width: 200px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

.recent-doc-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-gray-300);
}

.recent-doc-thumb {
    height: 160px;
    background: var(--color-gray-100);
    overflow: hidden;
}

.recent-doc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.recent-doc-info {
    padding: var(--spacing-4);
}

.recent-doc-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-doc-dept {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

/* ============================================
   Department Cards - Premium Design
   ============================================ */
.departments-section {
    margin-top: var(--spacing-8);
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-6);
}

.dept-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
    position: relative;
}

.dept-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-4px);
    border-color: rgba(252, 97, 10, 0.3);
}

.dept-card-inner {
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    min-height: 200px;
}

.dept-icon-wrapper {
    position: relative;
    width: fit-content;
}

.dept-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-50) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.dept-card:hover .dept-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.dept-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: color var(--transition);
}

.dept-card:hover .dept-icon svg {
    color: var(--color-white);
}

/* Writer indicator - subtle pen icon */
.dept-write-indicator {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.dept-write-indicator svg {
    width: 11px;
    height: 11px;
    color: var(--color-accent);
}

.dept-content {
    flex: 1;
}

.dept-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-2);
}

.dept-desc {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dept-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-100);
}

.dept-action {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-400);
    transition: color var(--transition);
}

.dept-card:hover .dept-action {
    color: var(--color-primary);
}

.dept-arrow {
    width: 20px;
    height: 20px;
    color: var(--color-gray-300);
    transition: all var(--transition);
}

.dept-card:hover .dept-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ============================================
   Legacy Hero (keep for other pages)
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    margin: calc(-1 * var(--spacing-8)) calc(-1 * var(--spacing-8)) var(--spacing-8);
    padding: var(--spacing-16) var(--spacing-6);
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.breadcrumb-link {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--color-primary);
}

.breadcrumb-sep {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

.breadcrumb-current {
    color: var(--color-gray-800);
    font-weight: 500;
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.page-header-content {
    flex: 1;
    min-width: 0;
}

.page-description {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    margin-top: var(--spacing-2);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

.page-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
}

.page-header-actions {
    display: flex;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

/* ============================================
   Content Grid (Folders + Documents)
   ============================================ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-4);
}

/* ============================================
   View Toggle (Grid/List)
   ============================================ */
.view-toggle-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.view-toggle-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.view-toggle {
    display: flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: 3px;
}

.view-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-gray-500);
    transition: all 0.15s ease;
}

.view-toggle-btn:hover {
    color: var(--color-gray-700);
}

.view-toggle-btn.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.view-toggle-btn svg {
    width: 18px;
    height: 18px;
}

/* Documents Container - manages grid/list views */
.documents-container[data-view="grid"] .documents-grid {
    display: block;
}

.documents-container[data-view="grid"] .documents-list {
    display: none;
}

.documents-container[data-view="list"] .documents-grid {
    display: none;
}

.documents-container[data-view="list"] .documents-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Document Row (List View) */
.document-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--color-white);
    text-decoration: none;
    transition: background 0.15s ease;
}

.document-row:hover {
    background: var(--color-gray-50);
}

.document-row-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-gray-100);
}

.document-row-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-placeholder-sm {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
}

.thumb-placeholder-sm svg {
    width: 24px;
    height: 24px;
}

.document-row-content {
    flex: 1;
    min-width: 0;
}

.document-row-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-row-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-row-arrow {
    flex-shrink: 0;
    color: var(--color-gray-400);
}

.document-row-arrow svg {
    width: 20px;
    height: 20px;
}

.document-row:hover .document-row-arrow {
    color: var(--color-primary);
}

/* Folder rows in list view */
.folder-row .document-row-thumb {
    height: 48px;
    width: 48px;
}

.folder-thumb-sm {
    color: var(--color-accent);
}

.folder-thumb-sm svg {
    width: 26px;
    height: 26px;
}

.folder-row .document-row-title {
    color: var(--color-gray-800);
}

.folder-row:hover .document-row-title {
    color: var(--color-primary);
}

/* Folders Grid - wider columns to show more of folder names */
.folders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

/* Folder Cards */
.folder-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

.folder-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: var(--color-gray-300);
}

.folder-icon {
    width: 40px;
    height: 40px;
    background: var(--color-gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.folder-icon svg:first-child {
    display: none;
}

.folder-icon svg:last-child {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.folder-name {
    flex: 1;
    font-weight: 500;
    color: var(--color-gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.folder-arrow {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

/* Document Cards */
.document-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

.document-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-gray-300);
}

.document-thumb {
    height: 160px;
    background: var(--color-gray-100);
    overflow: hidden;
}

.document-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
}

.thumb-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-gray-400);
}

.document-info {
    padding: var(--spacing-4);
}

.document-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-800);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-desc {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-6);
    color: var(--color-gray-500);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    color: var(--color-gray-300);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.empty-state p {
    margin-bottom: var(--spacing-6);
}

/* ============================================
   Document Detail - Magazine-Style Layout
   ============================================ */
.document-detail {
    display: grid;
    grid-template-columns: minmax(280px, 420px) minmax(380px, 560px);
    gap: var(--spacing-20);
    justify-content: center;
    align-items: start;
    max-width: 1080px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .document-detail {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        max-width: 520px;
    }
}

.document-preview {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-8));
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: 
        var(--shadow-lg),
        0 0 0 1px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.document-preview:hover {
    box-shadow: 
        var(--shadow-xl),
        0 0 0 1px rgba(0, 0, 0, 0.05),
        0 0 60px rgba(157, 0, 0, 0.08);
}

@media (max-width: 900px) {
    .document-preview {
        position: static;
    }
}

.preview-container {
    aspect-ratio: 8.5 / 11;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    padding: var(--spacing-4);
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.preview-placeholder svg {
    width: 64px;
    height: 64px;
    color: var(--color-gray-300);
}

.document-info-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    padding-top: var(--spacing-2);
}

.document-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.document-title-lg {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.document-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-gray-200);
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.keyword-tag {
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-white);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-fast);
}

.keyword-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.download-btn {
    margin-top: var(--spacing-6);
    padding: var(--spacing-5) var(--spacing-6);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, #B31919 100%);
    box-shadow: 
        0 4px 14px rgba(157, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 20px rgba(157, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.download-btn svg {
    width: 22px;
    height: 22px;
}

.download-meta {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius);
}

/* Copy Share Link button */
.permalink-btn {
    margin-top: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    transition: all 0.2s ease;
}

.permalink-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(157, 0, 0, 0.03);
}

.permalink-btn svg {
    width: 16px;
    height: 16px;
}

.permalink-btn.permalink-copied {
    border-color: #16a34a;
    color: #16a34a;
    background: rgba(22, 163, 74, 0.05);
}

/* Upload New Version button styling */
.document-info-panel > .btn-outline {
    margin-top: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-gray-300);
    color: var(--color-gray-600);
}

.document-info-panel > .btn-outline:hover {
    border-style: solid;
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(157, 0, 0, 0.03);
}

/* Versions */
.versions-section {
    padding-top: var(--spacing-8);
    margin-top: var(--spacing-2);
}

.versions-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.versions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.version-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    gap: var(--spacing-4);
    transition: all var(--transition-fast);
}

.version-item:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-sm);
}

.version-item.version-current {
    background: linear-gradient(135deg, rgba(252, 97, 10, 0.06) 0%, rgba(157, 0, 0, 0.04) 100%);
    border: 1px solid rgba(252, 97, 10, 0.25);
}

.version-item.version-current:hover {
    border-color: rgba(252, 97, 10, 0.4);
}

.version-item.version-hidden {
    opacity: 0.6;
    background: var(--color-gray-50);
    border-style: dashed;
}

.version-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.version-number {
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
}

.version-badge {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-current {
    background: linear-gradient(135deg, var(--color-accent) 0%, #e85a08 100%);
    color: var(--color-white);
    box-shadow: 0 2px 6px rgba(252, 97, 10, 0.3);
}

.badge-hidden {
    background: var(--color-gray-400);
    color: var(--color-white);
}

.version-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.version-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-shrink: 0;
}

.hidden-versions-section {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px dashed var(--color-gray-200);
}

.hidden-versions-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.hidden-versions-toggle:hover {
    color: var(--color-gray-600);
    background: var(--color-gray-50);
}

.toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

.hidden-versions-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.hidden-versions-list {
    margin-top: var(--spacing-3);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

/* Document Meta */
.document-meta-section {
    padding: var(--spacing-5);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-2);
}

.meta-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-4);
}

.meta-list {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.meta-list dt {
    color: var(--color-gray-500);
    font-weight: 500;
}

.meta-list dd {
    color: var(--color-gray-700);
}

.meta-list a {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.meta-list a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 2px 4px rgba(157, 0, 0, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(157, 0, 0, 0.4);
    transform: translateY(-1px);
}

/* Google Sign-In Button - Modern Style */
.btn-google-modern {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-google-modern:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.btn-google-modern:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.google-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-3);
}

.google-icon {
    width: 20px;
    height: 20px;
}

.google-btn-text {
    letter-spacing: 0.01em;
}

.login-domain-note {
    text-align: center;
    color: var(--color-text-light);
    margin-top: var(--spacing-4);
}

.login-domain-note small {
    font-size: var(--font-size-xs);
}

.btn-outline {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-outline:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-danger-outline {
    color: #dc2626;
    border-color: #fca5a5;
}

.btn-danger-outline:hover {
    background: rgba(220, 38, 38, 0.05);
    border-color: #dc2626;
    color: #b91c1c;
}

.btn-icon {
    padding: var(--spacing-2);
    background: transparent;
    color: var(--color-gray-500);
    border-radius: var(--radius);
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-block {
    width: 100%;
}

.btn-danger {
    background: #dc2626;
    color: white;
    border-color: #dc2626;
}

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

.btn-archive {
    color: var(--color-text-muted);
}

.btn-archive:hover {
    color: #dc2626;
    border-color: #dc2626;
}

/* Document Secondary Actions (Upload, Move, Archive) */
.document-actions-secondary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-top: var(--spacing-3);
}

.document-actions-secondary .btn {
    width: 100%;
    justify-content: center;
}

@media (min-width: 768px) {
    .document-actions-secondary {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .document-actions-secondary .btn {
        width: auto;
        flex: 1;
        min-width: 0;
        padding-left: var(--spacing-3);
        padding-right: var(--spacing-3);
    }
    
    .document-actions-secondary .btn svg {
        flex-shrink: 0;
    }
    
    .document-actions-secondary .btn-label {
        white-space: nowrap;
    }
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-label .required {
    color: var(--color-error);
}

.form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    transition: all var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(157, 0, 0, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23737373'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-help {
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.form-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-6);
}

/* Upload Dropzone */
.upload-dropzone {
    position: relative;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    background: var(--color-gray-50);
    transition: all var(--transition);
}

.upload-dropzone.dragover {
    border-color: var(--color-primary);
    background: rgba(157, 0, 0, 0.05);
}

.upload-dropzone input[type="file"] {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.dropzone-content {
    padding: var(--spacing-10) var(--spacing-6);
    text-align: center;
    cursor: pointer;
}

.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-4);
    color: var(--color-gray-400);
}

.dropzone-text {
    color: var(--color-gray-600);
}

.dropzone-link {
    color: var(--color-primary);
    font-weight: 500;
}

.dropzone-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-top: var(--spacing-2);
}

.dropzone-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius);
    margin: var(--spacing-3);
}

.dropzone-preview svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.preview-filename {
    flex: 1;
    font-weight: 500;
    color: var(--color-gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-remove {
    padding: var(--spacing-2);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.preview-remove:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.preview-remove svg {
    width: 20px;
    height: 20px;
}

/* Upload Progress */
.upload-progress {
    margin-top: var(--spacing-4);
}

.progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--spacing-2);
}

/* Info Card */
.info-card {
    padding: var(--spacing-4);
    background: var(--color-gray-100);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-6);
}

.info-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-800);
}

.info-meta {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

.text-muted {
    color: var(--color-gray-400);
}

/* ============================================
   Modals
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    margin: var(--spacing-4);
    overflow-y: auto;
}

.modal-sm {
    max-width: 400px;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
}

.modal-close {
    padding: var(--spacing-2);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-5);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-5);
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================
   Login Page
   ============================================ */
.minimal-layout {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 50%, var(--color-gray-50) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-page {
    width: 100%;
}

.login-container {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: var(--spacing-6);
}

.login-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-10);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-4);
}

.login-title {
    font-family: var(--font-logo);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-800);
    text-transform: uppercase;
}

.login-subtitle {
    color: var(--color-gray-500);
    margin-top: -8px;
    position: relative;
}


.login-subtitle::before,
.login-subtitle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 48px;          /* line length */
  height: 1px;          /* line thickness */
  background: #ccc;
}

.login-subtitle::before {
  right: 100%;
  margin-right: -80px;   /* gap between text and line */
}

.login-subtitle::after {
  left: 100%;
  margin-left: -80px;
}

.login-description {
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-6);
}

.login-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.login-divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-8) 0;
}

.login-divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--color-gray-200);
}

.login-divider span {
    position: relative;
    padding: 0 var(--spacing-4);
    background: var(--color-white);
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.demo-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
}

.login-footer {
    text-align: center;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-6);
}

.login-footer-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto;
}

/* Alert */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-4);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================
   Error Pages
   ============================================ */
.error-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

.error-container {
    text-align: center;
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

.error-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-top: var(--spacing-4);
}

.error-message {
    color: var(--color-gray-500);
    margin: var(--spacing-4) 0 var(--spacing-8);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    .logo-text {
        display: none;
    }
    
    .search-container {
        display: none;
    }
    
    .user-name {
        display: none;
    }
    
    .home-page {
        padding: var(--spacing-6) var(--spacing-4) var(--spacing-12);
    }
    
    .welcome-title {
        font-size: var(--font-size-2xl);
    }
    
    .departments-grid {
        grid-template-columns: 1fr;
    }
    
    .dept-card-inner {
        min-height: auto;
    }
    
    .page-header {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .page-header-actions {
        width: 100%;
    }
    
    .page-header-actions .btn {
        flex: 1;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .folders-grid {
        grid-template-columns: 1fr;
    }

    .view-toggle-bar {
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }

    .document-row {
        padding: var(--spacing-3);
        gap: var(--spacing-3);
    }

    .document-row-thumb {
        width: 48px;
        height: 62px;
    }

    .document-row-desc {
        -webkit-line-clamp: 1;
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}

/* ========================================
   Admin Settings Styles
   ======================================== */

.admin-settings,
.admin-users {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-8);
}

.admin-settings .page-header,
.admin-users .page-header {
    margin-bottom: var(--spacing-8);
}

.admin-settings .page-header h1,
.admin-users .page-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-2);
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

.admin-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.admin-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-6);
}

.section-header {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-1);
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.section-description {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-2);
}

.admin-settings .section-description {
    display:none;
}

.permission-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.permission-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-background);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.permission-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.permission-email {
    font-weight: 500;
    color: var(--color-text);
}

.permission-notes {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

.permission-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-icon.btn-danger {
    color: var(--color-text-muted);
}

.btn-icon.btn-danger:hover {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.department-group {
    margin-bottom: var(--spacing-4);
}

.department-group .department-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-2);
    padding-left: var(--spacing-2);
}

/* Department Management (Admin) */
.department-manage-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.department-manage-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.department-manage-info {
    flex: 1;
    min-width: 0;
}

.department-manage-name {
    font-weight: 600;
    margin-bottom: var(--spacing-1);
}

.department-manage-name a {
    color: var(--color-text);
    text-decoration: none;
}

.department-manage-name a:hover {
    color: var(--color-primary);
}

.department-manage-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.department-manage-meta .meta-slug {
    font-family: var(--font-mono);
    background: var(--color-gray-100);
    padding: 0 var(--spacing-1);
    border-radius: var(--radius-sm);
}

.department-manage-meta .meta-sep {
    color: var(--color-gray-300);
}

.department-manage-meta .meta-archived {
    color: var(--color-text-light);
}

.btn-disabled {
    color: var(--color-gray-300);
    cursor: not-allowed;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--color-text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-3);
    opacity: 0.5;
}

.add-form {
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.form-row {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
}

.form-input,
.form-select {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--color-white);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(157, 0, 0, 0.1);
}

.form-input {
    flex: 1;
    min-width: 200px;
}

.form-input-notes {
    flex: 0.7;
}

.form-select {
    min-width: 180px;
}

.admin-quick-links {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

.quick-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all 0.15s ease;
}

.quick-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.quick-link svg {
    width: 18px;
    height: 18px;
}

/* Users Table */
.users-table-container {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.users-table th {
    background: var(--color-background);
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.users-table tbody tr:hover {
    background: var(--color-background);
}

.user-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.user-cell .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.user-cell .user-name {
    font-weight: 500;
}

.user-email {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.user-date {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.dept-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-1);
}

.dept-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(157, 0, 0, 0.1);
    color: var(--color-primary);
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.no-access {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.2s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.2s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-actions {
    margin-top: var(--spacing-6);
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-text);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    background: #059669;
}

.toast-error {
    background: #dc2626;
}

/* Archive Modal Styles */
.archive-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: #fef2f2;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
}

.archive-warning .warning-icon {
    width: 24px;
    height: 24px;
    color: #dc2626;
    flex-shrink: 0;
}

.archive-warning p {
    margin: 0;
    color: var(--color-text);
}

.archive-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Archived Document Badge */
.badge-archived {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: 999px;
}

/* Archived Section Link */
.archived-section {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.archived-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all 0.15s ease;
}

.archived-link:hover {
    background: var(--color-white);
    border-color: var(--color-gray-400);
    color: var(--color-text);
}

.archived-link svg {
    width: 18px;
    height: 18px;
}

.archived-count {
    background: var(--color-gray-200);
    color: var(--color-gray-600);
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 600;
}

/* Archived Documents View */
.archived-card {
    position: relative;
}

.archived-card .document-thumb {
    position: relative;
}

.archived-overlay {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
}

.archived-actions {
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    border-top: 1px solid var(--color-border);
    background: var(--color-gray-50);
}

.archived-actions .btn {
    flex: 1;
    justify-content: center;
}

.archived-actions .btn svg {
    width: 14px;
    height: 14px;
    margin-right: var(--spacing-1);
}

.restore-description,
.move-description {
    margin-bottom: var(--spacing-4);
    color: var(--color-text);
}

.page-title-icon {
    width: 28px;
    height: 28px;
    color: var(--color-gray-400);
    margin-right: var(--spacing-2);
    vertical-align: middle;
}

@media (max-width: 768px) {
    .admin-settings,
    .admin-users {
        padding: var(--spacing-4);
    }

    .form-row {
        flex-direction: column;
    }

    .form-input,
    .form-select {
        width: 100%;
    }

    .form-input-notes {
        flex: 1;
    }

    .admin-quick-links {
        flex-direction: column;
    }

    .users-table {
        font-size: var(--font-size-sm);
    }

    .users-table th,
    .users-table td {
        padding: var(--spacing-2);
    }
}