/* VLR Manager Styles */

:root {
    /* Primary Colors */
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    
    /* Light Mode (default) */
    --bg-main: #f5f7fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #8e94a0;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --table-stripe: rgba(0, 0, 0, 0.02);
    --input-bg: #ffffff;
    --navbar-bg: #ffffff;
    
    /* Sidebar */
    --sidebar-bg: #1e2a3a;
    --sidebar-hover: #2d3e50;
    --sidebar-active: #4361ee;
    --text-light: #f8f9fa;
    
    /* Quick Access Card Colors */
    --qa-drivers-start: #4361ee;
    --qa-drivers-end: #3f37c9;
    --qa-programs-start: #10b981;
    --qa-programs-end: #059669;
    --qa-images-start: #f59e0b;
    --qa-images-end: #d97706;
    --qa-firmware-start: #8b5cf6;
    --qa-firmware-end: #7c3aed;
    --qa-manuals-start: #ef4444;
    --qa-manuals-end: #dc2626;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --table-stripe: rgba(255, 255, 255, 0.02);
    --input-bg: #1e293b;
    --navbar-bg: #1e293b;
    
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Wrapper */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--sidebar-bg);
    color: var(--text-light);
    transition: all 0.3s ease;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar.collapsed {
    margin-left: -280px;
}

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

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.sidebar-search {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-search .input-group-text {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-muted);
}

.sidebar-search .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-light);
}

.sidebar-search .form-control::placeholder {
    color: var(--text-muted);
}

.sidebar-search .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

/* Sidebar Navigation */
.sidebar-nav {
    list-style: none;
    padding: 15px 0;
}

.sidebar-nav .nav-item {
    margin-bottom: 2px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background: var(--sidebar-hover);
    color: var(--text-light);
}

.sidebar-nav .nav-link.active {
    background: rgba(67, 97, 238, 0.2);
    color: var(--text-light);
    border-left-color: var(--sidebar-active);
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

/* Category Header */
.sidebar-nav .category-header {
    padding: 10px 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Submenu */
.sidebar-nav .submenu {
    list-style: none;
    padding-left: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sidebar-nav .submenu.show {
    max-height: 500px;
}

.sidebar-nav .submenu .nav-link {
    padding-left: 56px;
    font-size: 0.9rem;
}

.sidebar-nav .has-submenu .nav-link::after {
    content: '\F282';
    font-family: 'bootstrap-icons';
    margin-left: auto;
    transition: transform 0.3s ease;
}

.sidebar-nav .has-submenu.open .nav-link::after {
    transform: rotate(90deg);
}

/* Main Content */
.content {
    flex: 1;
    margin-left: 280px;
    transition: margin-left 0.3s ease;
    min-height: 100vh;
}

.content.expanded {
    margin-left: 0;
}

/* Navbar */
.navbar {
    border-radius: 0;
}

#sidebarToggle {
    text-decoration: none;
    color: #333;
}

/* Stat Cards */
.stat-card {
    border-radius: 12px;
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bg-primary-soft {
    background: rgba(67, 97, 238, 0.15);
}

.bg-success-soft {
    background: rgba(40, 167, 69, 0.15);
}

.bg-warning-soft {
    background: rgba(255, 193, 7, 0.15);
}

.bg-info-soft {
    background: rgba(23, 162, 184, 0.15);
}

/* Cards */
.card {
    border-radius: 12px;
}

.card-header {
    padding: 1rem 1.25rem;
}

/* Quick Access Cards */
.quick-access-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 16px;
    padding: 24px 16px;
    min-height: 140px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none !important;
    position: relative;
    overflow: hidden;
}

.quick-access-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
    pointer-events: none;
}

.quick-access-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(67, 97, 238, 0.35);
    color: white;
    text-decoration: none !important;
}

.quick-access-card .quick-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.quick-access-card .quick-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.quick-access-card .quick-subtitle {
    font-size: 0.75rem;
    opacity: 0.85;
    margin-top: 4px;
}

.quick-access-card.drivers {
    background: linear-gradient(135deg, var(--qa-drivers-start), var(--qa-drivers-end));
}

.quick-access-card.drivers:hover {
    box-shadow: 0 15px 35px rgba(67, 97, 238, 0.4);
}

.quick-access-card.programs {
    background: linear-gradient(135deg, var(--qa-programs-start), var(--qa-programs-end));
}

.quick-access-card.programs:hover {
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

.quick-access-card.images {
    background: linear-gradient(135deg, var(--qa-images-start), var(--qa-images-end));
}

.quick-access-card.images:hover {
    box-shadow: 0 15px 35px rgba(245, 158, 11, 0.4);
}

.quick-access-card.firmware {
    background: linear-gradient(135deg, var(--qa-firmware-start), var(--qa-firmware-end));
}

.quick-access-card.firmware:hover {
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.4);
}

.quick-access-card.manuals {
    background: linear-gradient(135deg, var(--qa-manuals-start), var(--qa-manuals-end));
}

.quick-access-card.manuals:hover {
    box-shadow: 0 15px 35px rgba(239, 68, 68, 0.4);
}

/* Category Stats */
.category-stat-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

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

.category-stat-item i {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--primary-color);
}

.category-stat-item .info {
    flex: 1;
}

.category-stat-item .count {
    font-weight: 600;
    color: var(--primary-color);
}

/* File Icons */
.file-icon {
    font-size: 1.5rem;
    margin-right: 10px;
}

.file-icon.folder {
    color: #ffc107;
}

.file-icon.file {
    color: #6c757d;
}

/* Subcategory Cards */
.subcategory-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.subcategory-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
    color: inherit;
}

.subcategory-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.subcategory-card h6 {
    margin: 0;
    font-weight: 600;
}

/* File Grid Item */
.file-grid-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-grid-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.file-grid-item i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.file-grid-item .file-name {
    font-weight: 500;
    word-break: break-all;
    font-size: 0.9rem;
}

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

/* Table Styles */
.table th {
    font-weight: 600;
    color: #495057;
    border-top: none;
}

.table td {
    vertical-align: middle;
}

/* Download Button */
.btn-download {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 15px;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: background 0.2s ease;
}

.btn-download:hover {
    background: var(--secondary-color);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* Sidebar scrollbar */
.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        margin-left: -280px;
    }
    
    .sidebar.show {
        margin-left: 0;
    }
    
    .content {
        margin-left: 0;
    }
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
}

/* Badge */
.badge-count {
    background: rgba(67, 97, 238, 0.15);
    color: var(--primary-color);
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    max-width: 420px;
    width: 100%;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 40px;
    text-align: center;
}

.login-header i {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.login-header p {
    opacity: 0.9;
    margin: 0;
}

.login-body {
    padding: 40px;
}

.login-footer {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.btn-login {
    padding: 12px;
    font-weight: 600;
    border-radius: 10px;
}

/* Sidebar Footer */
.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.user-avatar i {
    font-size: 1.5rem;
}

.user-details {
    flex: 1;
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-role {
    display: block;
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: capitalize;
}

/* Sidebar with footer space */
.sidebar {
    display: flex;
    flex-direction: column;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 80px;
}

/* Modal improvements */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 15px 20px;
}

/* Alert in login */
.login-body .alert {
    border-radius: 10px;
    margin-bottom: 20px;
}

/* ==================== DARK MODE STYLES ==================== */

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
}

.theme-toggle i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(15deg);
}

.theme-toggle .theme-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Dark mode - Cards & Backgrounds */
[data-theme="dark"] .card {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .card-header {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .bg-white {
    background: var(--bg-card) !important;
}

/* Dark mode - Navbar */
[data-theme="dark"] .navbar {
    background: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar-light .navbar-text,
[data-theme="dark"] #sidebarToggle {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .breadcrumb-item {
    color: var(--text-secondary);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: var(--text-primary);
}

/* Dark mode - Tables */
[data-theme="dark"] .table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
}

[data-theme="dark"] .table th {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .table td {
    border-color: var(--border-color);
}

[data-theme="dark"] .table-hover > tbody > tr:hover {
    background: var(--bg-card-hover);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) {
    background: var(--table-stripe);
}

/* Dark mode - Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .input-group-text {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Dark mode - Stat Cards */
[data-theme="dark"] .stat-card {
    background: var(--bg-card);
    box-shadow: 0 4px 6px var(--shadow-color);
}

[data-theme="dark"] .stat-card h6 {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .stat-card h3 {
    color: var(--text-primary);
}

/* Dark mode - Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card);
    border-color: var(--border-color);
    box-shadow: 0 10px 40px var(--shadow-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-divider {
    border-color: var(--border-color);
}

/* Dark mode - Subcategory Cards */
[data-theme="dark"] .subcategory-card {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .subcategory-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

/* Dark mode - File Grid Items */
[data-theme="dark"] .file-grid-item {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .file-grid-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px var(--shadow-color);
}

[data-theme="dark"] .file-grid-item .file-name {
    color: var(--text-primary);
}

/* Dark mode - Category Stats */
[data-theme="dark"] .category-stat-item {
    border-color: var(--border-color);
}

[data-theme="dark"] .category-stat-item .fw-medium {
    color: var(--text-primary);
}

/* Dark mode - Buttons */
[data-theme="dark"] .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-outline-secondary:hover,
[data-theme="dark"] .btn-outline-secondary.active {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-link {
    color: var(--text-secondary);
}

/* Dark mode - Modals */
[data-theme="dark"] .modal-content {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-title {
    color: var(--text-primary);
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Dark mode - Badges */
[data-theme="dark"] .badge.bg-secondary {
    background: var(--bg-card-hover) !important;
    color: var(--text-primary);
}

[data-theme="dark"] .badge-count {
    background: rgba(67, 97, 238, 0.25);
}

/* Dark mode - Text Colors */
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .text-secondary {
    color: var(--text-secondary) !important;
}

/* Dark mode - Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-card);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Dark mode - Login Page */
[data-theme="dark"] .login-page {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] .login-container {
    background: var(--bg-card);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .login-body {
    background: var(--bg-card);
}

[data-theme="dark"] .login-footer {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
}

/* Dark mode - Empty State */
[data-theme="dark"] .empty-state {
    color: var(--text-muted);
}

/* Dark mode - Alerts */
[data-theme="dark"] .alert-info {
    background: rgba(67, 97, 238, 0.15);
    border-color: rgba(67, 97, 238, 0.3);
    color: #93c5fd;
}

[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

[data-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* Smooth transition for theme change */
body,
.card,
.navbar,
.table,
.form-control,
.form-select,
.dropdown-menu,
.modal-content,
.btn {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease;
}

/* ==================== ICON PICKER ==================== */

.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
}

.icon-picker-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-card);
}

.icon-picker-item:hover {
    border-color: var(--primary-color);
    background: rgba(67, 97, 238, 0.1);
    transform: scale(1.1);
}

.icon-picker-item.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.icon-picker-item i {
    font-size: 1.5rem;
}

.icon-preview {
    min-width: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-preview i {
    font-size: 1.2rem;
}

/* ==================== CATEGORY MANAGEMENT ==================== */

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.category-card:hover {
    box-shadow: 0 4px 12px var(--shadow-color);
}

.category-header {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    gap: 10px;
}

.category-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    cursor: pointer;
    padding: 5px;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.category-header-left:hover {
    background: var(--bg-card-hover);
}

.category-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
}

.category-info {
    flex: 1;
}

.category-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

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

.category-chevron {
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.category-header-left[aria-expanded="true"] .category-chevron,
.category-header-left:not(.collapsed) .category-chevron {
    transform: rotate(180deg);
}

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

.category-actions .btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.category-body {
    padding: 15px 20px;
    background: var(--bg-main);
    border-top: 1px solid var(--border-color);
}

.subcategory-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 8px;
    gap: 12px;
}

.subcategory-item:last-child {
    margin-bottom: 0;
}

.subcategory-item .sub-icon {
    width: 35px;
    height: 35px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(67, 97, 238, 0.08);
    color: var(--primary-color);
}

.subcategory-item .sub-name {
    flex: 1;
    font-weight: 500;
}

.subcategory-item .sub-actions {
    display: flex;
    gap: 5px;
}

.add-subcategory-form {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 15px;
    margin-top: 10px;
    border: 2px dashed var(--border-color);
}

.btn-icon-sm {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

/* Dark mode for category management */
[data-theme="dark"] .category-card {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .category-header-left:hover {
    background: var(--bg-card-hover);
}

[data-theme="dark"] .category-body {
    background: var(--bg-main);
}

[data-theme="dark"] .subcategory-item {
    background: var(--bg-card);
}

[data-theme="dark"] .add-subcategory-form {
    background: var(--bg-card);
    border-color: var(--border-color);
}