/* Modern Digital Signage Dashboard - Elegant Arabic Design */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;600;700;800&family=Cairo:wght@300;400;600;700;800&display=swap');

:root {
    /* Color Palette - Clean Light Theme */
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #60A5FA;
    --secondary: #8B5CF6;
    --accent: #06B6D4;
    --danger: #EF4444;
    --success: #10B981;
    --warning: #F59E0B;
    
    /* Light Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --surface: #FFFFFF;
    --surface-light: #F8FAFC;
    
    /* Text Colors */
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* Borders & Shadows */
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

body {
    font-family: 'Tajawal', 'Cairo', sans-serif;
    background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* =========================
   LOGIN PAGE
   ========================= */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
}

.login-container {
    width: 100%;
    max-width: 480px;
    animation: fadeInUp 0.6s ease;
}

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

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.error-message {
    padding: var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius-md);
    color: var(--danger);
    font-size: 0.9rem;
    text-align: center;
}

.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-secondary:hover {
    background: var(--surface-light);
    border-color: var(--primary);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(16, 185, 129, 0.4);
}

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

.login-footer {
    margin-top: var(--spacing-2xl);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* =========================
   DASHBOARD PAGE
   ========================= */
.dashboard-page {
    padding-bottom: var(--spacing-2xl);
}

.dashboard-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-lg) 0;
    backdrop-filter: blur(10px);
   position: static;
top: auto;

    z-index: 100;
    box-shadow: var(--shadow-md);
}

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

.header-right h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Navigation */
.dashboard-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
   position: static;
top: auto;

    z-index: 99;
    backdrop-filter: blur(10px);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
}

.nav-list::-webkit-scrollbar {
    height: 4px;
}

.nav-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

.nav-link {
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
}

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

.nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: var(--shadow-md);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--primary);
}

/* Main Content */
.dashboard-main {
    padding: var(--spacing-2xl) 0;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

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

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Stats */
.stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat strong {
    font-size: 1.25rem;
    font-weight: 700;
}

.stat.online {
    border-color: var(--success);
    color: var(--success);
}

.stat.offline {
    border-color: var(--danger);
    color: var(--danger);
}

/* Screens Grid */
.screens-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.screen-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.nav-list {
    overflow-y: hidden;
}



.screen-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.screen-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.screen-card.offline {
    opacity: 0.6;
}

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

.screen-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.screen-status {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.screen-status.online {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.screen-status.offline {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

.screen-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.screen-info strong {
    color: var(--text-primary);
    font-weight: 600;
}

.screen-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.btn-icon {
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 1.1rem;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--surface-light);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

.delete-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Content Grid */
.content-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.folder-path {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.folder-path::-webkit-scrollbar {
    height: 4px;
}

.folder-path::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

#pathBreadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.path-item {
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.path-item:hover {
    background: var(--surface-light);
    color: var(--primary);
}

.path-item.active {
    background: var(--primary);
    color: white;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.content-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
}

.content-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.content-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.folder-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    min-height: 200px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.folder-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

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

.content-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.card-actions {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.content-card:hover .card-actions {
    opacity: 1;
}

.file-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Upload Progress */
.upload-progress {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

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

.progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Schedule Cards */
.schedules-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.schedule-card-full {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.schedule-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.schedule-header h3 {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 700;
}

.schedule-header span {
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-tag {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-tag.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-tag.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.schedule-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.schedule-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
}

.move-btns {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.move-btns button {
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.move-btns button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.item-thumb {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.item-duration {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.item-duration input {
    padding: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    text-align: center;
}

.remove-btn {
    padding: 0.5rem;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.remove-btn:hover {
    background: #DC2626;
    transform: scale(1.05);
}

.schedule-footer-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.add-content-btn {
    padding: 0.75rem 1.25rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.add-content-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Pairing */
.pairing-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.pairing-option {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
}

.pairing-option h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.pairing-option p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.divider {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-muted);
}

.code-input {
    width: 100%;
    max-width: 200px;
    padding: var(--spacing-md);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 0.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    margin: var(--spacing-lg) auto;
    display: block;
}

.code-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.pairing-result {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 600;
    margin-top: var(--spacing-lg);
}

.pairing-result.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.days-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.days-selector label {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.days-selector label:hover {
    border-color: var(--primary);
}

.days-selector input[type="checkbox"] {
    margin-left: var(--spacing-xs);
}

.days-selector input[type="checkbox"]:checked + label,
.days-selector label:has(input[type="checkbox"]:checked) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.content-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.content-item {
    position: relative;
    cursor: pointer;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.content-item:hover {
    transform: scale(1.05);
}

.content-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.content-item img {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.folders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
}

.folder-option {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.folder-option:hover {
    border-color: var(--primary);
}

.folder-option.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Loading */
.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Responsive */
/* ============================================
   📱 MOBILE RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    /* Container & Layout */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .dashboard-container {
        padding: var(--spacing-md);
    }
    
    /* Header */
    .header {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .header-title {
        font-size: 1.5rem;
    }
    
    .user-info {
        justify-content: center;
    }
    
    /* Tabs */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: var(--spacing-xs);
    }
    
    .tab {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
        white-space: nowrap;
    }
    
    /* Stats */
    .stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Screens Grid */
    .screens-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .screen-card {
        padding: var(--spacing-md);
    }
    
    .screen-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .screen-name {
        font-size: 1rem;
    }
    
    .screen-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
        font-size: 0.875rem;
    }
    
    .screen-info p {
        padding: var(--spacing-xs) 0;
    }
    
    .screen-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }
    
    .btn-icon {
        font-size: 1.5rem;
        width: 44px;
        height: 44px;
    }
    
    /* Content Grid */
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .content-item {
        padding: var(--spacing-md);
    }
    
    .content-image {
        height: 150px;
    }
    
    /* Section Header */
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .content-actions {
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .content-actions .btn,
    .content-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    /* Modals */
    .modal-content {
        width: 95%;
        max-width: none;
        margin: var(--spacing-md);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .modal-footer .btn,
    .modal-footer .btn-outline {
        width: 100%;
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group label {
        font-size: 0.875rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 1rem;
        padding: var(--spacing-md);
    }
    
    /* Buttons */
    .btn,
    .btn-primary,
    .btn-outline {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    /* Pairing Container */
    .pairing-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .divider {
        transform: rotate(90deg);
        height: 2px;
        width: 100%;
    }
    
    /* Schedule Cards */
    .schedule-card {
        padding: var(--spacing-md);
    }
    
    .schedule-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .schedule-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

/* ============================================
   📱 EXTRA SMALL DEVICES (< 480px)
   ============================================ */

@media (max-width: 480px) {
    .header-title {
        font-size: 1.25rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .btn-icon {
        font-size: 1.25rem;
        width: 40px;
        height: 40px;
    }
    
    .modal-content {
        width: 100%;
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

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

/* Drag and Drop */
.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.dragging {
    opacity: 0.5;
}

/* ============================================
   📱 MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 768px) {
    /* KILL STICKY - STRONGEST SELECTORS */
    header[class*="header"],
    .dashboard-header,
    header.header,
    .header {
        position: static !important;
        position: relative !important;
        top: 0 !important;
        padding: 0.75rem 0 !important;
        height: auto !important;
        min-height: auto !important;
    }
    
    /* KILL NAV STICKY */
    nav[class*="nav"],
    .dashboard-nav,
    nav.dashboard-nav {
        position: static !important;
        position: relative !important;
        top: 0 !important;
        height: auto !important;
        min-height: auto !important;
        overflow-x: scroll !important;
        overflow-y: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        display: block !important;
    }
    
    /* NAV LIST - FORCE HORIZONTAL */
    .dashboard-nav .nav-list,
    nav .nav-list,
    ul.nav-list {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: scroll !important;
        overflow-y: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        width: 100% !important;
        padding: 0.5rem !important;
        gap: 0.375rem !important;
        list-style: none !important;
        margin: 0 !important;
    }
    
    .nav-list::-webkit-scrollbar {
        display: none !important;
        height: 0 !important;
        width: 0 !important;
    }
    
    .nav-list li {
        flex-shrink: 0 !important;
        flex-grow: 0 !important;
        min-width: auto !important;
    }
    
    .nav-link {
        padding: 0.5rem 1rem !important;
        font-size: 0.8125rem !important;
        white-space: nowrap !important;
        display: inline-block !important;
    }
    
    .header-content {
        flex-wrap: nowrap !important;
        gap: 0.5rem !important;
    }
    
    .header-right {
        flex: 1 !important;
    }
    
    .header-right h1 {
        font-size: 1rem !important;
        margin: 0 !important;
        line-height: 1.2 !important;
    }
    
    .header-right p,
    .header .user-info span {
        display: none !important;
    }
    
    .header-left .btn-secondary,
    #logoutBtn {
        padding: 0.5rem 0.875rem !important;
        font-size: 0.8125rem !important;
        white-space: nowrap !important;
    }
    
    /* Main Content */
    .dashboard-main {
        padding: 1rem 0 !important;
    }
    
    /* Stats */
    .stats {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.5rem !important;
    }
    
    .stat-card {
        padding: 0.875rem !important;
    }
    
    .stat-value {
        font-size: 1.375rem !important;
    }
    
    .stat-label {
        font-size: 0.75rem !important;
    }
    
    /* Screens Grid */
    .screens-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    .screen-card {
        padding: 1rem !important;
    }
    
    .screen-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    
    .screen-info {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }
    
    .screen-actions {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.5rem !important;
        justify-content: center !important;
    }
    
    /* Content Grid */
    .content-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    /* Buttons */
    .btn-icon {
        min-width: 48px !important;
        min-height: 48px !important;
        font-size: 1.375rem !important;
    }
    
    /* Section Header */
    .section-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 1rem !important;
    }
    
    .content-actions {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    
    .content-actions .btn,
    .content-actions .btn-primary {
        width: 100% !important;
        justify-content: center !important;
    }
    
    /* Modals */
    .modal-content {
        width: 95% !important;
        margin: 1rem auto !important;
        max-height: 90vh !important;
    }
    
    .modal-footer {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    
    .modal-footer .btn {
        width: 100% !important;
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr !important;
    }
}