/* ==========================================
   FormScan Pro — Premium Dark Theme
   ========================================== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16162a;
    --bg-elevated: #1e1e38;
    --bg-hover: #252545;
    
    --text-primary: #e8e8f0;
    --text-secondary: #9494b8;
    --text-muted: #5a5a7a;
    --text-accent: #a78bfa;
    
    --accent-primary: #7c3aed;
    --accent-secondary: #6d28d9;
    --accent-glow: rgba(124, 58, 237, 0.3);
    --accent-light: #a78bfa;
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.3);
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-focus: rgba(124, 58, 237, 0.5);
    
    --glass: rgba(22, 22, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --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 30px rgba(124, 58, 237, 0.15);
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ==========================================
   Base & Reset
   ========================================== */

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
}

/* ==========================================
   Modal Overlay
   ========================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.modal-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.get-key-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--info-bg);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    color: #60a5fa;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    transition: all var(--transition-fast);
}

.get-key-link:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.input-group {
    position: relative;
    margin-bottom: 16px;
}

.input-group input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', monospace;
    outline: none;
    transition: all var(--transition-fast);
}

.input-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

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

.toggle-visibility {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.toggle-visibility:hover {
    color: var(--text-secondary);
}

.modal-note {
    font-size: 0.75rem !important;
    color: var(--text-muted) !important;
    margin-top: 12px;
    margin-bottom: 0 !important;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.sheets-help {
    text-align: left;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.sheets-help p {
    margin-bottom: 4px;
    font-size: 0.82rem;
}

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

.sheets-help code {
    font-size: 0.75rem;
    color: var(--accent-light);
    background: rgba(124, 58, 237, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    word-break: break-all;
}

/* ==========================================
   Buttons
   ========================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-full {
    width: 100%;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-ghost:hover {
    background: var(--danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.btn-success {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.2);
    transform: translateY(-1px);
}

.btn-sheets {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #0f9d58, #34a853);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-sheets:hover {
    background: linear-gradient(135deg, #0b8043, #2d9349);
    transform: translateY(-1px);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.82rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* ==========================================
   Header
   ========================================== */

.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), #3b82f6);
    border-radius: var(--radius-md);
    color: white;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.logo-section h1 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.pro-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 6px;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    border-radius: 4px;
    color: white;
    vertical-align: super;
    letter-spacing: 0.05em;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stats-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: 20px;
    font-size: 0.8rem;
}

.stats-number {
    font-weight: 700;
    color: var(--success);
}

.stats-label {
    color: rgba(16, 185, 129, 0.7);
    font-weight: 400;
}

.settings-group {
    margin-bottom: 16px;
    text-align: left;
}

.settings-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

/* ==========================================
   Upload Section
   ========================================== */

.upload-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.05), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
    opacity: 1;
}

.upload-zone.drag-over {
    transform: scale(1.01);
    box-shadow: var(--shadow-glow);
}

.upload-zone-content {
    position: relative;
    z-index: 1;
}

.upload-icon-container {
    position: relative;
    display: inline-flex;
    margin-bottom: 20px;
}

.upload-icon-bg {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.3; }
}

.upload-icon {
    color: var(--accent-light);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.upload-zone h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}

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

.upload-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
}

.upload-divider::before,
.upload-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.upload-divider span {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ==========================================
   File Queue
   ========================================== */

.file-queue {
    margin-top: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.queue-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.queue-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn-stop {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-stop:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-1px);
}

.btn-stop:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: var(--bg-elevated);
}

.file-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.file-item-info {
    flex: 1;
    min-width: 0;
}

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

.file-item-size {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.file-item-status {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
    flex-shrink: 0;
}

.status-pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-processing {
    background: var(--info-bg);
    color: var(--info);
}

.status-done {
    background: var(--success-bg);
    color: var(--success);
}

.status-error {
    background: var(--danger-bg);
    color: var(--danger);
}

.file-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.file-item-remove:hover {
    color: var(--danger);
    background: var(--danger-bg);
}

/* ==========================================
   Processing Bar
   ========================================== */

.processing-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    animation: slideDown 0.3s ease;
}

.processing-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--accent-glow);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.processing-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.processing-info {
    flex: 1;
}

.processing-info span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.processing-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 6px;
}

.progress-track {
    flex: 1;
    height: 4px;
    background: var(--bg-elevated);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-light));
    border-radius: 2px;
    width: 0%;
    transition: width var(--transition-normal);
}

#progressText {
    font-size: 0.72rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ==========================================
   Results Section
   ========================================== */

.results-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
    animation: fadeIn 0.4s ease;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.results-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.results-title h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.results-title h2 svg {
    color: var(--success);
}

.results-count {
    font-size: 0.78rem;
    padding: 4px 10px;
    background: var(--bg-elevated);
    border-radius: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.results-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ==========================================
   Data Table
   ========================================== */

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
}

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

.data-table thead {
    background: var(--bg-elevated);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.th-status { width: 50px; text-align: center; }
.th-preview { width: 60px; text-align: center; }
.th-name { min-width: 180px; }
.th-email { min-width: 260px; }
.th-phone { min-width: 150px; }
.th-nationality { min-width: 140px; }
.th-actions { width: 70px; text-align: center; }

.data-table td {
    padding: 12px 16px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(124, 58, 237, 0.03);
}

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

.row-number {
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.preview-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
}

.preview-thumb:hover {
    transform: scale(3);
    border-color: var(--accent-primary);
    z-index: 10;
    position: relative;
}

.preview-link {
    position: relative;
    display: inline-block;
}

.preview-link-icon {
    position: absolute;
    bottom: -2px;
    right: -2px;
    font-size: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.preview-link:hover .preview-link-icon {
    opacity: 1;
}

.preview-link:hover .preview-thumb {
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px rgba(124, 58, 237, 0.3);
}

.editable-cell {
    position: relative;
}

.editable-cell input {
    width: 100%;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all var(--transition-fast);
}

.editable-cell input:hover {
    background: var(--bg-elevated);
    border-color: var(--border);
}

.editable-cell input:focus {
    background: var(--bg-elevated);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
}

.editable-cell input.empty-field {
    border-color: rgba(245, 158, 11, 0.3);
    background: var(--warning-bg);
}

.editable-cell input.empty-field::placeholder {
    color: rgba(245, 158, 11, 0.5);
    font-style: italic;
}

.row-actions {
    text-align: center;
}

.row-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.row-delete-btn:hover {
    color: var(--danger);
    background: var(--danger-bg);
}

.table-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.table-empty svg {
    margin-bottom: 16px;
    opacity: 0.3;
}

.table-empty p {
    font-size: 0.9rem;
}

/* ==========================================
   Preview Modal
   ========================================== */

.preview-modal-card {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

.preview-modal-card img {
    display: block;
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
}

.preview-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.preview-close:hover {
    background: rgba(239, 68, 68, 0.8);
    transform: scale(1.1);
}

/* ==========================================
   Session Bar
   ========================================== */

.session-bar {
    max-width: 1200px;
    margin: 12px auto 0;
    padding: 0 24px;
}

.session-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.25);
    border-radius: var(--radius-md);
}

.session-current {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.session-current strong {
    color: var(--accent-light);
    font-weight: 600;
    font-size: 0.9rem;
}

.session-current svg {
    color: var(--accent-light);
    flex-shrink: 0;
}

.session-bar-actions {
    display: flex;
    gap: 8px;
}

.btn-session-new {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-session-new:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.session-panel {
    max-width: 1200px;
    margin: 0 auto;
}

.session-list {
    display: flex;
    gap: 8px;
    padding: 10px 0 0;
    overflow-x: auto;
    flex-wrap: wrap;
}

.session-list:empty {
    display: none;
}

.session-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.session-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-hover);
}

.session-item.session-active {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.12);
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.15);
}

.session-item-info {
    min-width: 0;
    cursor: pointer;
}

.session-item-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

.session-active .session-item-name {
    color: var(--accent-light);
}

.session-item-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.session-item-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.session-item:hover .session-item-actions {
    opacity: 1;
}

.session-edit-btn,
.session-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.session-edit-btn:hover {
    color: var(--info);
    background: var(--info-bg);
}

.session-delete-btn:hover {
    color: var(--danger);
    background: var(--danger-bg);
}

/* ==========================================
   Toast Notifications
   ========================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 420px;
    animation: toastIn 0.3s ease;
    backdrop-filter: blur(16px);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
    to { opacity: 0; transform: translateX(100px); }
}

.toast-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-primary);
    flex: 1;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--info); }
.toast-warning { border-left: 3px solid var(--warning); }

/* ==========================================
   Scrollbar
   ========================================== */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 768px) {
    .header-content {
        padding: 12px 16px;
    }
    
    .logo-section h1 {
        font-size: 1.1rem;
    }
    
    .stats-pill {
        display: none;
    }
    
    .upload-section {
        padding: 20px 16px;
    }
    
    .upload-zone {
        padding: 40px 20px;
    }
    
    .results-section {
        padding: 0 16px 40px;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .results-actions {
        width: 100%;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .modal-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .results-actions {
        flex-direction: column;
    }
    
    .results-actions button {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   Preview Thumbnail & Modal
   ========================================== */

.preview-thumb {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-thumb:hover {
    transform: scale(1.15);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.preview-modal-card {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-modal-card img {
    max-width: 100%;
    max-height: 75vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
    background: var(--bg-secondary);
}

.preview-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

.preview-close:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.preview-url-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 600px;
}

.preview-url-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-family: monospace;
    outline: none;
    min-width: 0;
}

.btn-copy-url {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    padding: 6px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--accent-light);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.btn-copy-url:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.preview-link {
    position: relative;
    display: inline-block;
}

.preview-link-icon {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 0.6rem;
    background: var(--bg-card);
    border-radius: 4px;
    padding: 1px 3px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.preview-link:hover .preview-link-icon {
    opacity: 1;
}

/* ==========================================
   Pagination Controls
   ========================================== */
.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 0;
    flex-wrap: wrap;
}

.pagination-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-page {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.pagination-page:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.pagination-page.active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
    font-weight: 600;
}

.pagination-dots {
    color: var(--text-muted);
    padding: 0 4px;
}

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