/* ===============================
   CSS Variables & Theme System
   =============================== */
:root {
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);

    /* Platform Colors */
    --color-x: #000000;
    --color-instagram: #E1306C;
    --color-tiktok: #00F2EA;

    /* Status Colors */
    --color-draft: #6B7280;
    --color-active: #10B981;
    --color-scheduled: #3B82F6;
    --color-posted: #8B5CF6;
    --color-paused: #F59E0B;
    --color-completed: #10B981;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Dark Theme (Default) */
[data-theme="dark"] {
    --bg-primary: #0F0F1A;
    --bg-secondary: #1A1A2E;
    --bg-tertiary: #252542;
    --bg-card: linear-gradient(145deg, #1A1A2E 0%, #252542 100%);
    --bg-glass: rgba(37, 37, 66, 0.7);

    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --border-color: rgba(148, 163, 184, 0.1);
    --border-glow: rgba(139, 92, 246, 0.5);

    --accent-primary: #8B5CF6;
    --accent-secondary: #06B6D4;
    --accent-gradient: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --bg-card: linear-gradient(145deg, #FFFFFF 0%, #F8FAFC 100%);
    --bg-glass: rgba(255, 255, 255, 0.8);

    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-glow: rgba(139, 92, 246, 0.3);

    --accent-primary: #7C3AED;
    --accent-secondary: #0891B2;
    --accent-gradient: linear-gradient(135deg, #7C3AED 0%, #0891B2 100%);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

/* ===============================
   Layout
   =============================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: var(--space-md);
    flex: 1;
}

.nav-item {
    margin-bottom: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    font-size: 1.25rem;
}

.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    background: var(--bg-glass);
    border-color: var(--border-glow);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

.top-bar {
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.content-area {
    padding: var(--space-xl);
}

/* ===============================
   Cards
   =============================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-lg);
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--accent-gradient);
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

/* ===============================
   Campaign Cards
   =============================== */
.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.campaign-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.campaign-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.campaign-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-lg);
}

.campaign-card:hover::before {
    opacity: 1;
}

.campaign-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.campaign-title a {
    color: var(--text-primary);
}

.campaign-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.campaign-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.campaign-dates {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===============================
   Status Badges
   =============================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-draft {
    background: rgba(107, 114, 128, 0.2);
    color: var(--color-draft);
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-active);
}

.status-scheduled {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-scheduled);
}

.status-posted {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-posted);
}

.status-paused {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-paused);
}

.status-completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-completed);
}

/* Platform Badges */
.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.platform-x {
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.platform-instagram {
    background: rgba(225, 48, 108, 0.2);
    color: var(--color-instagram);
}

.platform-tiktok {
    background: rgba(0, 242, 234, 0.2);
    color: var(--color-tiktok);
}

/* ===============================
   Buttons
   =============================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--border-glow);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #EF4444;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

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

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

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

.form-file {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
}

.form-file:hover {
    border-color: var(--accent-primary);
}

/* Drop Zone */
.drop-zone {
    position: relative;
    min-height: 150px;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.drop-zone:hover {
    border-color: var(--accent-primary);
    background: var(--bg-glass);
}

.drop-zone-active {
    border-color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.drop-zone-content {
    text-align: center;
    padding: var(--space-lg);
}

.drop-zone-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-md);
}

.drop-zone-text {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.drop-zone-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.drop-zone-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.drop-zone-preview {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

/* Checkbox styling for platforms */
.platform-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.platform-checkboxes label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.platform-checkboxes label:hover {
    border-color: var(--accent-primary);
}

.platform-checkboxes input[type="checkbox"]:checked+label,
.platform-checkboxes label:has(input:checked) {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* ===============================
   Tables
   =============================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

.table th,
.table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr:hover td {
    background: var(--bg-glass);
}

.table tr:last-child td {
    border-bottom: none;
}

/* ===============================
   Posts
   =============================== */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.post-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.post-item:hover {
    border-color: var(--border-glow);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.post-content {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    white-space: pre-wrap;
}

.post-image {
    max-width: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.post-platforms {
    display: flex;
    gap: var(--space-sm);
}

.post-actions {
    display: flex;
    gap: var(--space-sm);
}

.post-scheduled {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===============================
   Calendar
   =============================== */
.calendar-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

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

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.calendar-day-header {
    background: var(--bg-tertiary);
    padding: var(--space-md);
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.calendar-day {
    background: var(--bg-secondary);
    min-height: 100px;
    padding: var(--space-sm);
}

.calendar-day-number {
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.calendar-day.today {
    background: var(--bg-glass);
}

.calendar-day.today .calendar-day-number {
    background: var(--accent-gradient);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-event {
    padding: var(--space-xs) var(--space-sm);
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

/* ===============================
   Empty States
   =============================== */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    margin-bottom: var(--space-lg);
}

/* ===============================
   Utilities
   =============================== */
.flex {
    display: flex;
}

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

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

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-xl {
    margin-bottom: var(--space-xl);
}

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

.text-sm {
    font-size: 0.875rem;
}

/* ===============================
   Responsive
   =============================== */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
    }

    .logo-text,
    .nav-link span:not(.nav-icon),
    .theme-toggle span:not(.theme-icon) {
        display: none;
    }

    .nav-link {
        justify-content: center;
        padding: var(--space-md);
    }

    .theme-toggle {
        justify-content: center;
    }

    .main-content {
        margin-left: 80px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        bottom: 0;
        top: auto;
        flex-direction: row;
    }

    .sidebar-header,
    .sidebar-footer {
        display: none;
    }

    .nav-menu {
        display: flex;
        justify-content: space-around;
        padding: var(--space-sm);
    }

    .nav-item {
        margin: 0;
    }

    .main-content {
        margin-left: 0;
        margin-bottom: 70px;
    }

    .campaigns-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===============================
   Animations
   =============================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.card,
.campaign-card,
.stat-card,
.post-item {
    animation: fadeIn 0.3s ease forwards;
}

/* Stagger animation */
.campaigns-grid .campaign-card:nth-child(1) {
    animation-delay: 0s;
}

.campaigns-grid .campaign-card:nth-child(2) {
    animation-delay: 0.1s;
}

.campaigns-grid .campaign-card:nth-child(3) {
    animation-delay: 0.2s;
}

.campaigns-grid .campaign-card:nth-child(4) {
    animation-delay: 0.3s;
}

.stats-grid .stat-card:nth-child(1) {
    animation-delay: 0s;
}

.stats-grid .stat-card:nth-child(2) {
    animation-delay: 0.05s;
}

.stats-grid .stat-card:nth-child(3) {
    animation-delay: 0.1s;
}

.stats-grid .stat-card:nth-child(4) {
    animation-delay: 0.15s;
}

/* Filter buttons */
.filter-group {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* Section headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Alert messages */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-active);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Delete confirmation */
.confirm-delete {
    text-align: center;
    padding: var(--space-xl);
}

.confirm-delete h2 {
    margin-bottom: var(--space-md);
}

.confirm-delete p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.confirm-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ===============================
   Media Library
   =============================== */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-lg);
}

.media-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.media-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.media-thumbnail {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.media-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-info {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.media-name {
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.media-actions {
    padding: 0 var(--space-md) var(--space-md);
}

.media-usage {
    padding: var(--space-xs) var(--space-md) var(--space-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.inline-form {
    display: inline;
}

/* Upload Zone */
.upload-zone {
    min-height: 150px;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.1);
}

.upload-zone-content {
    text-align: center;
    padding: var(--space-lg);
}

.upload-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-md);
}

.hidden-file-input {
    display: none;
}

.selected-file {
    margin-top: var(--space-sm);
    color: var(--accent-primary);
    font-weight: 500;
}

/* Media Selector Grid (for post form) */
.media-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.media-selector-item {
    aspect-ratio: 1;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    background: var(--bg-tertiary);
}

.media-selector-item:hover {
    border-color: var(--accent-primary);
}

.media-selector-item.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.media-selector-item.selected::after {
    content: '✓';
    position: absolute;
    top: var(--space-xs);
    right: var(--space-xs);
    width: 24px;
    height: 24px;
    background: var(--accent-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.media-selector-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-selector-none {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.media-selector-none span:first-child {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.media-selector-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 0.7rem;
    padding: var(--space-md) var(--space-sm) var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.empty-state-inline {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
}

.empty-state-inline p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.mb-md {
    margin-bottom: var(--space-md);
}

/* ===============================
   Multi-File Upload
   =============================== */
.upload-progress-container {
    margin-top: var(--space-lg);
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 250px;
    overflow-y: auto;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.file-name {
    flex: 1;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 60px;
}

.file-status {
    font-size: 0.8rem;
    min-width: 80px;
    text-align: right;
}

.file-status.success {
    color: var(--color-active);
}

.file-status.error {
    color: #EF4444;
}

.file-status.uploading {
    color: var(--accent-primary);
}

.mt-md {
    margin-top: var(--space-md);
}