:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    --bg-dark: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-main: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-focus: #2563eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

/* Login Screen */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 420px;
    max-width: 95%;
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.login-logo img {
    width: 100px;
    height: auto;
    margin-bottom: 16px;
}

.login-card h2 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

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

.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 16px;
}

.input-group input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    background: var(--bg-main);
}

.input-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.login-error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 12px;
    padding: 10px;
    background: #fef2f2;
    border-radius: var(--radius-sm);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* App Layout */
.app {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
    width: 40px;
    height: auto;
    filter: brightness(1.2);
}

.sidebar-header span {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-menu {
    list-style: none;
    padding: 12px 8px;
    flex: 1;
}

.sidebar-menu li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: #94a3b8;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.sidebar-menu li i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-menu li:hover {
    background: rgba(255,255,255,0.06);
    color: white;
}

.sidebar-menu li.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #94a3b8;
    font-size: 13px;
}

.user-info i {
    font-size: 20px;
}

.logout-btn {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.logout-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* WhatsApp Status Button */
.wa-status-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1.5px solid rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 6px 12px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    color: #94a3b8;
    margin-left: auto;
    margin-right: 8px;
}

.wa-status-btn:hover {
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.05);
}

.wa-status-btn i {
    font-size: 16px;
    color: var(--whatsapp);
}

.wa-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wa-status-btn.connected .wa-status-dot {
    background: var(--success);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.wa-status-btn.connecting .wa-status-dot {
    background: var(--warning);
    animation: pulse 1s infinite;
}

.wa-status-btn.disconnected .wa-status-dot {
    background: var(--danger);
}

.wa-status-label {
    font-size: 11px;
    font-weight: 500;
}

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

/* QR Modal */
.qr-modal-content {
    max-width: 400px;
}

.qr-body {
    text-align: center;
}

.qr-instructions {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.qr-image-box {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-image-box img {
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
}

.qr-loading {
    text-align: center;
    color: var(--text-light);
}

.qr-loading i {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--primary);
}

.qr-loading p {
    font-size: 13px;
}

.qr-hint {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-main);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    line-height: 1.5;
}

.qr-hint i {
    color: var(--info);
    margin-right: 4px;
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
}

.page { display: none; }
.page.active { display: block; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header h2 i {
    color: var(--primary);
}

.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.icon-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    background: var(--bg-card);
}

.search-box input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.sort-box select {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    cursor: pointer;
    background: var(--bg-card);
    min-width: 180px;
    transition: var(--transition);
}

.sort-box select:focus {
    border-color: var(--border-focus);
}

/* File List */
.file-list {
    list-style: none;
}

.file-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    transition: var(--transition);
    cursor: default;
}

.file-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.file-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.file-icon-box.pdf {
    background: #fef2f2;
    color: #ef4444;
}

.file-icon-box.word {
    background: #eff6ff;
    color: #3b82f6;
}

.file-icon-box.excel {
    background: #f0fdf4;
    color: #22c55e;
}

.file-icon-box.image {
    background: #fefce8;
    color: #eab308;
}

.file-icon-box.folder {
    background: #fff7ed;
    color: #f97316;
}

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

.file-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.file-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

.file-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.file-item .file-details .file-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.file-item .file-details .file-meta .meta-text {
    color: var(--text-secondary);
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: #16a34a;
    color: white;
}
.btn-success:hover {
    background: #15803d;
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: white;
}
.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid;
}
.btn-outline.info {
    border-color: var(--info);
    color: var(--info);
}
.btn-outline.info:hover {
    background: rgba(59, 130, 246, 0.08);
}

.btn-outline.whatsapp {
    border-color: var(--whatsapp);
    color: var(--whatsapp);
}
.btn-outline.whatsapp:hover {
    background: rgba(37, 211, 102, 0.08);
}

.btn-outline.danger {
    border-color: var(--danger);
    color: var(--danger);
}
.btn-outline.danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

/* Loader */
.loader {
    display: none;
    justify-content: center;
    padding: 60px 0;
}

.loader.active {
    display: flex;
}

.loader::after {
    content: "";
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}

.empty-state i {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 15px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header-bar {
    padding: 20px 24px;
    background: var(--whatsapp);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header-bar i {
    font-size: 22px;
}

.modal-body {
    padding: 24px;
}

.modal-footer-bar {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.required {
    color: var(--danger);
}

.optional {
    color: var(--text-light);
    font-weight: 400;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.file-info-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #991b1b;
    font-size: 14px;
    font-weight: 500;
}

/* Delete Modal */
.delete-modal-content {
    text-align: center;
    padding: 32px;
    max-width: 400px;
}

.modal-icon {
    margin-bottom: 16px;
}

.modal-icon i {
    font-size: 48px;
}

.delete-icon i {
    color: var(--danger);
}

.delete-modal-content h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.delete-modal-content p {
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.warning-text {
    font-size: 12px !important;
    color: var(--text-light) !important;
    margin-bottom: 24px !important;
}

.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Logs */
.logs-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.log-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
}

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

.log-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.log-icon.login { background: #eff6ff; color: #3b82f6; }
.log-icon.delete { background: #fef2f2; color: #ef4444; }
.log-icon.whatsapp { background: #f0fdf4; color: #25d366; }
.log-icon.info { background: #f8fafc; color: #64748b; }

.log-details {
    flex: 1;
}

.log-action {
    font-weight: 500;
    color: var(--text-primary);
}

.log-time {
    font-size: 12px;
    color: var(--text-light);
}

/* Toast */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--info); }

/* ── Dashboard ─────────────────────────────────────────── */
.dash-filters {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.filter-group input[type="date"] {
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: var(--bg-card);
    transition: var(--transition);
}

.filter-group input[type="date"]:focus {
    border-color: var(--border-focus);
}

.filter-group select {
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: var(--bg-card);
    min-width: 220px;
}

.dash-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.dash-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dash-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.dash-card.blue::before { background: var(--primary); }
.dash-card.green::before { background: var(--success); }
.dash-card.orange::before { background: var(--warning); }
.dash-card.cyan::before { background: var(--accent); }
.dash-card.purple::before { background: #8b5cf6; }
.dash-card.slate::before { background: #64748b; }

.dash-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.dash-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.dash-card.blue .dash-card-icon { background: #eff6ff; color: var(--primary); }
.dash-card.green .dash-card-icon { background: #f0fdf4; color: var(--success); }
.dash-card.orange .dash-card-icon { background: #fffbeb; color: var(--warning); }
.dash-card.cyan .dash-card-icon { background: #ecfeff; color: var(--accent); }
.dash-card.purple .dash-card-icon { background: #f5f3ff; color: #8b5cf6; }
.dash-card.slate .dash-card-icon { background: #f8fafc; color: #64748b; }

.dash-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.dash-card-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

.dash-section h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dash-section h3 i {
    color: var(--primary);
}

/* ── File sent badges ──────────────────────────────────── */
.file-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    line-height: 1.5;
}

.badge.auto-sent {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.badge.sent {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.badge.pending {
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fde68a;
}

/* ── Permissions page ──────────────────────────────────── */
.perm-toolbar {
    display: flex;
    gap: 24px;
    align-items: flex-end;
    flex-wrap: wrap;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.perm-user-meta {
    font-size: 13px;
    color: var(--text-secondary);
    padding-bottom: 8px;
}

.perm-user-meta strong {
    color: var(--text-primary);
}

.perm-groups {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.perm-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.perm-group-header {
    padding: 12px 16px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.perm-group-header i {
    color: var(--primary);
}

.perm-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

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

.perm-item:hover {
    background: rgba(37, 99, 235, 0.04);
}

.perm-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.perm-item span {
    flex: 1;
    color: var(--text-primary);
}

.perm-key {
    font-size: 10px;
    color: var(--text-light);
    font-family: monospace;
    background: var(--bg-main);
    padding: 1px 6px;
    border-radius: 4px;
}

.perm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 0;
}

/* ── Settings page ─────────────────────────────────────── */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.settings-card.full-width {
    grid-column: 1 / -1;
}

.settings-card-header {
    padding: 14px 20px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-card-header i {
    color: var(--primary);
    width: 18px;
    text-align: center;
}

.settings-card-header .header-spacer {
    flex: 1;
}

.settings-card-body {
    padding: 8px 20px;
}

.settings-card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

.setting-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.setting-row:last-child {
    border-bottom: none;
}

.setting-info label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.setting-hint {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.setting-hint code {
    background: var(--bg-main);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 11px;
}

/* ── File Watcher card ────────────────────────────────── */
.watcher-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    margin-left: auto;
}

.watcher-badge .watcher-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.watcher-badge.watcher-running {
    background: rgba(22, 163, 74, 0.15);
    color: #16a34a;
}

.watcher-badge.watcher-stopped {
    background: rgba(220, 38, 38, 0.12);
    color: #dc2626;
}

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

.watcher-log {
    width: 100%;
    max-height: 140px;
    overflow: auto;
    margin: 0;
    padding: 10px 12px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

/* ── DICOM covers ─────────────────────────────────────── */
.dicom-body-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.cover-slots {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.cover-slot {
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 14px;
    background: var(--bg-main);
}

.cover-slot-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.cover-slot-header strong {
    font-size: 13px;
}

.cover-preview-box {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 10px;
}

.cover-preview-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.cover-placeholder {
    color: var(--text-light);
    font-size: 13px;
}

.cover-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cover-label {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 900px) {
    .dicom-body-grid,
    .cover-slots {
        grid-template-columns: 1fr;
    }
}

.setting-input,
.setting-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: var(--bg-card);
    transition: var(--transition);
    font-family: inherit;
    resize: vertical;
}

.setting-input:focus,
.setting-textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.radio-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.radio-card {
    cursor: pointer;
    position: relative;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-card-body {
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: var(--transition);
    background: var(--bg-card);
}

.radio-card-body i {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.radio-card-body strong {
    font-size: 13px;
    color: var(--text-primary);
}

.radio-card-body span {
    font-size: 11px;
    color: var(--text-secondary);
}

.radio-card input:checked + .radio-card-body {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.radio-card input:checked + .radio-card-body i {
    color: var(--primary);
}

.radio-inline {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-inline label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-primary);
}

.radio-inline input[type="radio"] {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

.keyword-input-wrap .setting-input {
    max-width: 320px;
}

/* Toggle switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    border-radius: 26px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
    background: var(--success);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* Pending table */
.pending-table-wrap {
    overflow-x: auto;
    padding-bottom: 8px;
}

.pending-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.pending-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-main);
    border-bottom: 2px solid var(--border);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.pending-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.pending-table tr:hover td {
    background: rgba(37, 99, 235, 0.02);
}

.pending-table .phone-cell {
    font-family: monospace;
    font-size: 13px;
}

.pending-table .actions-cell {
    white-space: nowrap;
}

.pending-table .actions-cell .btn {
    margin-right: 4px;
}

.badge.waiting_reply { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.badge.file_sent { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.badge.expired { background: #f1f5f9; color: #64748b; border: 1px solid #e2e8f0; }
.badge.failed { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.badge.cancelled { background: #f1f5f9; color: #94a3b8; border: 1px solid #e2e8f0; text-decoration: line-through; }

@media (max-width: 768px) {
    .setting-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .radio-cards {
        grid-template-columns: 1fr;
    }
}

/* ── Responsive additions ──────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header span,
    .sidebar-menu li span,
    .user-info span {
        display: none;
    }

    .sidebar-header {
        justify-content: center;
        padding: 16px;
    }

    .sidebar-menu li {
        justify-content: center;
        padding: 12px;
    }

    .sidebar-footer {
        justify-content: center;
    }

    .main-content {
        padding: 16px;
    }

    .file-item {
        flex-wrap: wrap;
    }

    .file-actions {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
    }
}