/* ============================================
   Stable-TS Web - Global Styles
   Premium dark theme with glassmorphism
   ============================================ */

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

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(22, 22, 35, 0.7);
    --bg-card-hover: rgba(30, 30, 48, 0.8);
    --bg-input: rgba(15, 15, 25, 0.6);
    --bg-input-focus: rgba(20, 20, 35, 0.8);

    --border-color: rgba(99, 102, 241, 0.15);
    --border-glow: rgba(99, 102, 241, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.06);

    --text-primary: #e8e8f0;
    --text-secondary: #9896ab;
    --text-muted: #6b6980;
    --text-accent: #a78bfa;

    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);

    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.375rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.25rem;

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

    /* Borders */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(236, 72, 153, 0.03) 0%, transparent 50%);
}

/* ---- Navbar ---- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    height: 64px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.nav-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-username {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ---- Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-admin {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    color: var(--text-accent);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-status {
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-xs);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-processing {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.3);
    animation: pulse-glow 2s infinite;
}

.badge-completed {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-role-admin {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
    color: var(--text-accent);
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.badge-role-user {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.btn-full {
    width: 100%;
    padding: 0.75rem 1.5rem;
}

.btn-icon {
    padding: 0.375rem;
    border-radius: var(--radius-sm);
}

/* ---- Glass Card ---- */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: var(--border-glow);
}

.glass-card-inner {
    background: rgba(15, 15, 25, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* ---- Card Title ---- */
.card-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.card-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    margin-top: calc(-1 * var(--spacing-sm));
}

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

.card-header-row .card-title {
    margin-bottom: 0;
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    z-index: 1;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

.input-wrapper .form-input {
    padding-left: 2.75rem;
}

.form-input:focus,
.form-select:focus {
    background: var(--bg-input-focus);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input:disabled,
.form-select:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

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

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6980' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-section-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

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

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
    background: rgba(99, 102, 241, 0.3);
    border-color: var(--accent-primary);
}

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

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

/* ---- Options Grid ---- */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ---- Auth Pages ---- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.6s ease;
}

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

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

/* ---- Main Content ---- */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* ---- Dashboard ---- */
.dashboard-container {
    animation: fadeInUp 0.5s ease;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    background: rgba(15, 15, 25, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    flex: 1;
    justify-content: center;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Section Grid (Upload + Options) */
.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 900px) {
    .section-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-md);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-zone.drag-over {
    transform: scale(1.01);
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.upload-zone:hover .upload-icon {
    color: var(--accent-primary);
    transform: translateY(-4px);
}

.upload-text {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.upload-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ---- Input Mode Selector ---- */
.input-mode-selector {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    background: rgba(15, 15, 25, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.mode-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    flex: 1;
}

.mode-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.mode-btn.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.input-mode-content {
    animation: fadeIn 0.3s ease;
}

/* ---- YouTube Input Section ---- */
.youtube-input-section {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-md);
}

.youtube-input-section:focus-within {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.03);
}

.youtube-icon-wrapper {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.youtube-input-section:focus-within .youtube-icon-wrapper {
    color: #ff0033;
}

.youtube-url-input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: stretch;
}

.youtube-url-input-group .form-input {
    flex: 1;
    font-size: var(--font-size-sm);
}

.youtube-url-input-group .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

.youtube-url-input-group .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Upload Progress */
.upload-progress-container {
    margin-bottom: var(--spacing-md);
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.file-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 70%;
}

.file-size {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

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

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-base);
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: right;
    display: block;
}

/* Upload Status */
.upload-status {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.upload-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.upload-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ---- Log Console ---- */
.log-section {
    animation: fadeInUp 0.5s ease;
}

.log-console {
    background: #0d0d14;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: var(--font-size-xs);
    line-height: 1.7;
    color: #a8a8c0;
    max-height: 400px;
    min-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-console::-webkit-scrollbar {
    width: 6px;
}

.log-console::-webkit-scrollbar-track {
    background: transparent;
}

.log-console::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 3px;
}

.log-line {
    padding: 1px 0;
}

.log-line.info {
    color: var(--info);
}

.log-line.success {
    color: var(--success);
    font-weight: 600;
}

.log-line.error {
    color: var(--error);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.status-indicator.completed {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.status-indicator.failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.processing {
    background: var(--info);
    animation: pulse-dot 1.5s infinite;
}

.status-dot.completed {
    background: var(--success);
}

.status-dot.failed {
    background: var(--error);
}

/* Log Download */
.log-download {
    margin-top: var(--spacing-md);
    text-align: center;
    animation: fadeInUp 0.4s ease;
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.log-download .btn {
    padding: 0.75rem 2rem;
    font-size: var(--font-size-base);
}

/* Summary Button */
.btn-summary {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
    color: white;
    box-shadow: 0 2px 12px rgba(124, 58, 237, 0.3);
}

.btn-summary:hover {
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.5);
    transform: translateY(-1px);
}

.btn-summary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-summary-sm {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(168, 85, 247, 0.2));
    color: var(--text-accent);
    border: 1px solid rgba(124, 58, 237, 0.3);
}

.btn-summary-sm:hover {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(168, 85, 247, 0.3));
    border-color: rgba(124, 58, 237, 0.5);
}

/* ---- Tasks List ---- */
.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.task-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(15, 15, 25, 0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.task-item:hover {
    background: rgba(20, 20, 35, 0.6);
    border-color: var(--border-color);
}

.task-info {
    min-width: 0;
}

.task-filename {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.task-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ---- Users List ---- */
.users-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.user-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(15, 15, 25, 0.4);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.user-item:hover {
    background: rgba(20, 20, 35, 0.6);
    border-color: var(--border-color);
}

.user-info .user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.user-info .user-date {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.user-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ---- Empty State ---- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
    text-align: center;
    gap: var(--spacing-md);
}

.empty-state p {
    font-size: var(--font-size-sm);
}

/* ---- Alert ---- */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    animation: fadeInDown 0.3s ease;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: 0 var(--spacing-xs);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--spacing-xl);
    animation: fadeIn 0.2s ease;
}

.modal {
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    animation: fadeInUp 0.3s ease;
}

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

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ---- Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.2); }
    50% { box-shadow: 0 0 0 4px rgba(59, 130, 246, 0); }
}

@keyframes youtube-progress {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .navbar {
        padding: 0 var(--spacing-md);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .tab-nav {
        flex-wrap: wrap;
    }

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

    .task-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .task-actions {
        justify-content: flex-end;
    }

    .user-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .user-actions {
        justify-content: flex-end;
    }

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

    .youtube-url-input-group {
        flex-direction: column;
    }
}