/**
 * Bulevardi Diamond - Bayi Portal
 * Modern, Clean, Professional Design
 * Color Scheme: White & Navy Blue
 */

:root {
    --primary: #1e3a5f;
    --primary-dark: #152a45;
    --primary-light: #2d4a6f;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gold: #d4af37;
    
    --sidebar-width: 280px;
    --topbar-height: 70px;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

/* =====================================================
   SIDEBAR
   ===================================================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--primary);
    color: var(--white);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
}

.sidebar-logo {
    max-width: 180px;
    max-height: 50px;
    object-fit: contain;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    text-align: center;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin: 2px 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-link.active {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-divider {
    padding: 20px 28px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.1);
}

.dealer-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.dealer-info i {
    color: var(--gold);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: rgba(239,68,68,0.2);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 8px;
    color: #fca5a5;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

/* =====================================================
   TOPBAR
   ===================================================== */
.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 24px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-600);
    font-size: 1.1rem;
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: var(--gray-200);
    color: var(--primary);
}

.search-box {
    flex: 1;
    max-width: 500px;
}

.search-box form {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 0.9rem;
    background: var(--gray-50);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(59,130,246,0.1);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.dealer-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 8px;
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 500;
}

.dealer-badge i {
    color: var(--gold);
}

/* Mobile Category Dropdown */
.mobile-category-dropdown {
    display: none;
}

.mobile-category-dropdown select {
    padding: 10px 36px 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--gray-700);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    min-width: 150px;
}

.mobile-category-dropdown select:focus {
    outline: none;
    border-color: var(--primary);
}

/* =====================================================
   FILTER BAR & CATEGORY TABS
   ===================================================== */
.filter-bar {
    display: none;
    gap: 12px;
    margin-bottom: 20px;
    background: var(--white);
    padding: 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.mobile-search {
    flex: 1;
}

.mobile-search form {
    position: relative;
}

.mobile-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.9rem;
}

.mobile-search input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 0.9rem;
    background: var(--gray-50);
    transition: var(--transition);
}

.mobile-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

.filter-category-dropdown {
    position: relative;
    min-width: 160px;
}

.filter-category-dropdown select {
    width: 100%;
    padding: 12px 36px 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    background: var(--white);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--gray-700);
    cursor: pointer;
    appearance: none;
    transition: var(--transition);
}

.filter-category-dropdown select:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-category-dropdown i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    font-size: 0.75rem;
}

/* Category Tabs - Desktop */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.category-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--gray-100);
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
}

.category-tab:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--gray-800);
}

.category-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.category-tab i {
    font-size: 0.8rem;
    opacity: 0.7;
}

.category-tab.active i {
    opacity: 1;
}

/* Search Result Info */
.search-result-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #1e40af;
}

.search-result-info i {
    margin-right: 8px;
}

.clear-search {
    color: #dc2626;
    font-weight: 500;
    font-size: 0.85rem;
}

.clear-search:hover {
    text-decoration: underline;
}

/* =====================================================
   PAGE CONTENT
   ===================================================== */
.page-content {
    padding: 24px;
}

.page-header {
    margin-bottom: 24px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* =====================================================
   STATS CARDS
   ===================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: var(--white);
}

.stat-icon.green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--white);
}

.stat-icon.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: var(--white);
}

.stat-icon.gold {
    background: linear-gradient(135deg, #d4af37 0%, #b8960c 100%);
    color: var(--white);
}

.stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-info p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* =====================================================
   PRODUCT GRID
   ===================================================== */
.products-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.products-count {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.view-options {
    display: flex;
    gap: 8px;
}

.view-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-400);
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--gray-100);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
}

.product-actions {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.action-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-600);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 6px;
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-code {
    font-size: 0.85rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-code i {
    color: var(--gold);
}

/* =====================================================
   PAGINATION
   ===================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
}

.page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: var(--white);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    max-width: 200px;
    max-height: 60px;
    margin-bottom: 24px;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--gray-50);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(30,58,95,0.1);
}

.form-input.error {
    border-color: var(--danger);
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.input-icon-wrapper .form-input {
    padding-left: 44px;
}

.password-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--gray-600);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30,58,95,0.3);
}

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

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.login-footer p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.login-footer a {
    color: var(--primary);
    font-weight: 500;
}

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray-500);
}

/* =====================================================
   PRODUCT DETAIL MODAL
   ===================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-500);
    font-size: 1.1rem;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.modal-body {
    padding: 24px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 0 16px;
    }
    
    .search-box {
        display: none;
    }
    
    .mobile-category-dropdown {
        display: none;
    }
    
    /* Filter Bar - Mobile */
    .filter-bar {
        display: flex;
        flex-direction: column;
    }
    
    .category-tabs {
        display: none;
    }
    
    .page-content {
        padding: 16px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
    
    .product-info {
        padding: 12px;
    }
    
    .product-name {
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .login-card {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .dealer-badge {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .product-card {
        border-radius: 8px;
    }
    
    .product-info {
        padding: 10px;
    }
    
    .product-category {
        font-size: 0.65rem;
    }
    
    .product-name {
        font-size: 0.8rem;
    }
    
    .product-code {
        font-size: 0.75rem;
    }
}

/* =====================================================
   SCROLLBAR
   ===================================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

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

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}