/* Pinpoint - Modern UI inspired by HSGBK colors */
/* Primary: #1a2a5e (dark blue), Accent: #c8102e (red), Light: #f4f6fa */

:root {
    --primary: #00a5d3;
    --primary-light: #00bfe8;
    --accent: #c8102e;
    --accent-hover: #a00d24;
    --bg: #f4f8fa;
    --white: #ffffff;
    --text: #212529;
    --gray-50: #f8f9fa;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-500: #6c757d;
    --gray-700: #495057;
    --gray-900: #212529;
    --success: #28a745;
    --danger: #dc3545;
    --shadow: 0 2px 12px rgba(0, 165, 211, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 165, 211, 0.12);
    --radius: 8px;
    --radius-lg: 12px;
}

/* Dark Mode */
.dark-mode {
    --primary: #00bfe8;
    --primary-light: #00d4ff;
    --accent: #ff4757;
    --accent-hover: #ff3838;
    --bg: #0f0f0f;
    --white: #1a1a1a;
    --text: #e0e0e0;
    --gray-50: #1a1a1a;
    --gray-100: #1e1e1e;
    --gray-200: #2a2a2a;
    --gray-300: #3a3a3a;
    --gray-500: #999999;
    --gray-700: #cccccc;
    --gray-900: #e0e0e0;
    --success: #2ecc71;
    --danger: #e74c3c;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.dark-mode .sidebar {
    background: #1a1a1a;
    border-right: 1px solid var(--gray-300);
}

.dark-mode .sidebar-header small {
    opacity: 1;
    color: rgba(255,255,255,0.9);
}

.dark-mode .sidebar-nav a {
    color: rgba(255,255,255,0.8);
}

.dark-mode .sidebar-nav a:hover,
.dark-mode .sidebar-nav a.active {
    background: rgba(255,255,255,0.15);
    color: #ffffff;
}

.dark-mode .sidebar-folder-toggle {
    color: rgba(255,255,255,0.8);
}

.dark-mode .sidebar-folder-toggle:hover,
.dark-mode .sidebar-folder-toggle.active {
    background: rgba(255,255,255,0.15);
    color: #ffffff;
}

.dark-mode .login-page {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.dark-mode .alert-error {
    background: #3d1e1e;
    border-color: #5a2a2a;
    color: #ffb3b3;
}

.dark-mode .alert-success {
    background: #1e3d2a;
    border-color: #2a5a3a;
    color: #b3ffcc;
}

.dark-mode .alert-warning {
    background: #3d351e;
    border-color: #5a4f2a;
    color: #ffe4b3;
}

/* Dark mode additional adjustments */
.dark-mode .filter-bar {
    background: var(--white);
    border-left-color: var(--primary);
}

.dark-mode .stat-card {
    background: var(--white);
    border-left-color: var(--primary);
}

.dark-mode .stat-card.accent {
    border-left-color: var(--accent);
}

.dark-mode .upload-area {
    border-color: var(--gray-300);
}

.dark-mode .upload-area:hover {
    border-color: var(--primary);
    background: rgba(0, 191, 232, 0.05);
}

/* Dark mode: Input fields and select dropdowns */
.dark-mode input[type="text"],
.dark-mode input[type="password"],
.dark-mode input[type="email"],
.dark-mode input[type="date"],
.dark-mode input[type="datetime-local"],
.dark-mode input[type="number"],
.dark-mode input[type="search"],
.dark-mode textarea,
.dark-mode select {
    color: var(--text);
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.dark-mode input[type="text"]:focus,
.dark-mode input[type="password"]:focus,
.dark-mode input[type="email"]:focus,
.dark-mode input[type="date"]:focus,
.dark-mode input[type="datetime-local"]:focus,
.dark-mode input[type="number"]:focus,
.dark-mode input[type="search"]:focus,
.dark-mode textarea:focus,
.dark-mode select:focus {
    background: var(--gray-50);
    border-color: var(--primary);
}

/* Dark mode: Select dropdown options */
.dark-mode select option {
    background: var(--gray-50);
    color: var(--text);
}

/* Dark mode: Multi-select selected options */
.dark-mode select[multiple] option:checked,
.dark-mode select[multiple] option:checked:hover {
    background: var(--primary) !important;
    color: #ffffff !important;
}

.dark-mode select[multiple] option:hover {
    background: var(--gray-200) !important;
    color: var(--text) !important;
}

/* Light mode: Multi-select selected options (for consistency) */
select[multiple] option:checked {
    background: var(--primary);
    color: #ffffff;
}

select[multiple] option:hover {
    background: var(--gray-200);
}

/* Dark mode: Modals */
.dark-mode .modal {
    background: var(--white);
    color: var(--text);
}

.dark-mode .modal h2,
.dark-mode .modal h3 {
    color: var(--primary);
}

.dark-mode .modal p {
    color: var(--text);
}

.dark-mode .login-page {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

.dark-mode .login-card {
    background: var(--white);
}

.dark-mode .login-header h1 {
    color: var(--primary);
}

.dark-mode .login-header p {
    color: var(--gray-500);
}

.dark-mode .login-header img {
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.45), 0 2px 6px rgba(0,0,0,0.25);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--gray-900);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007a9e 0%, #00a5d3 100%);
}

.login-container { width: 100%; max-width: 400px; padding: 20px; }

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    color: var(--text);
}

.login-header { text-align: center; margin-bottom: 30px; }
.login-header h1 { color: var(--primary); font-size: 2rem; margin-bottom: 4px; }
.login-header p { color: var(--gray-500); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-size: 1rem; transition: border-color 0.2s;
    background: var(--gray-100); color: var(--text);
}
.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(0, 191, 232, 0.1);
}

/* Remove browser autofill yellow background */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus,
.form-group input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--gray-100) inset !important;
    -webkit-text-fill-color: var(--text) !important;
}

.dark-mode .form-group input:-webkit-autofill,
.dark-mode .form-group input:-webkit-autofill:hover,
.dark-mode .form-group input:-webkit-autofill:focus,
.dark-mode .form-group input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--gray-100) inset !important;
    -webkit-text-fill-color: var(--text) !important;
}

/* Buttons */
.btn {
    display: inline-block; padding: 10px 20px; border: none; border-radius: var(--radius);
    font-size: 0.95rem; font-weight: 600; cursor: pointer; text-decoration: none;
    transition: all 0.2s; text-align: center;
}
.btn-primary { background: var(--primary); color: #ffffff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-accent { background: var(--accent); color: #ffffff; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #ffffff; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-block { display: block; width: 100%; }
.btn-danger { background: var(--danger); color: #ffffff; }
.btn-danger:hover { background: #b02a37; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 0.9rem; }
.alert-error { background: #fde8e8; color: var(--danger); border: 1px solid #f5c6cb; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }

/* Tabs */
.tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--gray-200); }
.tab-btn {
    padding: 12px 24px; border: none; background: none; font-size: 0.95rem;
    font-weight: 600; color: var(--gray-500); cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: all 0.2s;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

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

.sidebar {
    width: 260px; background: var(--primary); color: var(--white);
    position: fixed; top: 0; left: 0; height: 100vh; overflow: visible;
    display: flex; flex-direction: column; z-index: 100;
    transition: width 0.3s;
}
.sidebar .sidebar-header .sidebar-logo-collapsed { display: none !important; }
.sidebar .sidebar-header .sidebar-logo-expanded { display: block !important; }
.sidebar.collapsed { width: 70px; }
.sidebar.collapsed .sidebar-header a { display: flex; justify-content: center; }
.sidebar.collapsed .sidebar-header .sidebar-logo-expanded { display: none !important; }
.sidebar.collapsed .sidebar-header .sidebar-logo-collapsed { display: block !important; width: 32px !important; margin-bottom: 0 !important; }
.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .sidebar-header small { display: none; }
.sidebar.collapsed .sidebar-logout-btn .label { display: none; }
.sidebar.collapsed .sidebar-nav a span.label { display: none; }
.sidebar.collapsed .sidebar-nav a { justify-content: center; padding: 12px 0; }
.sidebar.collapsed .sidebar-nav a .icon { margin-right: 0; }
.sidebar.collapsed .sidebar-footer { display: none; }

.sidebar-toggle {
    position: absolute; top: 12px; right: -14px;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--primary); color: var(--white);
    border: 2px solid var(--white); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; z-index: 101; transition: transform 0.3s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.sidebar-toggle:hover { background: var(--primary-light); }
.sidebar.collapsed .sidebar-toggle { transform: rotate(180deg); }

.sidebar-header { padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); text-align: center; display: flex; flex-direction: column; align-items: center; }
.sidebar-header h2 { font-size: 1.4rem; }
.sidebar-header small { opacity: 0.7; font-size: 0.8rem; }

.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.sidebar-nav a {
    display: flex; align-items: center; padding: 12px 20px; color: rgba(255,255,255,0.8);
    text-decoration: none; transition: all 0.2s; font-size: 0.95rem;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
    background: rgba(255,255,255,0.1); color: var(--white);
}
.sidebar-nav a .icon { margin-right: 12px; width: 20px; text-align: center; }

/* Sidebar folder */
.sidebar-folder-toggle { display: flex; align-items: center; padding: 12px 20px; color: rgba(255,255,255,0.8); text-decoration: none; transition: all 0.2s; font-size: 0.95rem; cursor: pointer; }
.sidebar-folder-toggle:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.sidebar-folder-toggle .icon { margin-right: 12px; width: 20px; text-align: center; }
.sidebar-folder-toggle .folder-arrow { margin-left: auto; font-size: 0.7rem; transition: transform 0.2s; }
.sidebar-folder.open > .sidebar-folder-toggle .folder-arrow { transform: rotate(180deg); }
.sidebar-nav .sidebar-folder-items { display: none; padding-left: 16px; }
.sidebar-nav .sidebar-folder.open > .sidebar-folder-items { display: block; }
.sidebar-folder-items a { font-size: 0.9rem; }
.sidebar.collapsed .sidebar-folder-toggle .folder-arrow { display: none; }
.sidebar.collapsed .sidebar-folder-items { padding-left: 0; }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.7rem; color: rgba(255,255,255,0.4); line-height: 1.6; text-align: center; }
.sidebar-footer a { color: rgba(255,255,255,0.5); text-decoration: none; }
.sidebar-footer a:hover { color: var(--white); }

/* Dark Mode Toggle */
.dark-mode-toggle-container {
    padding: 12px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.dark-mode-toggle-container .label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

.dark-mode-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: rgba(255,255,255,0.2);
    border-radius: 13px;
    cursor: pointer;
    transition: background 0.3s;
    flex-shrink: 0;
}

.dark-mode-toggle:hover {
    background: rgba(255,255,255,0.3);
}

.dark-mode-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.dark-mode-toggle.active {
    background: var(--primary-light);
}

.dark-mode-toggle.active .dark-mode-toggle-slider {
    transform: translateX(24px);
}

.sidebar.collapsed .dark-mode-toggle-container {
    justify-content: center;
    padding: 12px 10px;
}

.sidebar.collapsed .dark-mode-toggle-container .label {
    display: none;
}

.main-content { margin-left: 260px; flex: 1; padding: 30px; transition: margin-left 0.3s; }
.sidebar.collapsed ~ .main-content { margin-left: 70px; }

.page-header { margin-bottom: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.page-header h1 { font-size: 1.6rem; color: var(--primary); }
.header-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.btn-logout { padding: 4px 12px; background: var(--accent); color: #ffffff; border-radius: 4px; text-decoration: none; font-size: 0.8rem; }
.btn-logout:hover { background: #a00d25; }

/* Filter Card */
.filter-bar {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 24px;
    border-left: 4px solid var(--primary);
}
.filter-bar h3 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}
.filter-bar h3 .toggle-arrow {
    margin-left: auto;
    transition: transform 0.2s;
    font-size: 0.8rem;
}
.filter-bar.open h3 {
    margin-bottom: 16px;
}
.filter-bar.open h3 .toggle-arrow {
    transform: rotate(180deg);
}
.filter-body {
    display: none;
}
.filter-bar.open .filter-body {
    display: block;
}
.filter-form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}
.filter-group { display: flex; flex-direction: column; gap: 5px; }
.filter-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: var(--gray-100);
    transition: border-color 0.2s, background 0.2s;
    width: 100%;
}
.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 165, 211, 0.1);
}
.filter-actions {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    padding-bottom: 1px;
}

/* Jahrgang dropdown component */
.jahrgang-selected {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 6px 10px;
    cursor: pointer;
    background: var(--white);
    min-height: 32px;
    font-size: 0.9rem;
    color: var(--text);
    transition: background 0.2s, border-color 0.2s;
}

.jahrgang-selected:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.jahrgang-dropdown {
    display: none;
    position: absolute;
    z-index: 100;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    max-height: 200px;
    overflow-y: auto;
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    margin-top: 2px;
}

.jahrgang-dropdown.open {
    display: block;
}

.jahrgang-option {
    display: block;
    padding: 4px 10px;
    font-weight: normal;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text);
    transition: background 0.2s;
}

.jahrgang-option:hover {
    background: var(--gray-100);
}

/* Dark mode: Jahrgang dropdown */
.dark-mode .jahrgang-selected {
    background: var(--gray-100);
    color: var(--text);
    border-color: var(--gray-300);
}

.dark-mode .jahrgang-selected:hover {
    background: var(--gray-50);
}

.dark-mode .jahrgang-dropdown {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.dark-mode .jahrgang-option {
    color: var(--text);
}

.dark-mode .jahrgang-option:hover {
    background: var(--gray-100);
}

.dark-mode table a {
    color: var(--text);
}
.dark-mode table a:hover {
    color: var(--primary);
}

/* Cards */
.card {
    background: var(--white); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px;
    transition: background 0.3s, box-shadow 0.3s;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-header h3 { color: var(--primary); }

/* Dashboard Grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

.stat-card {
    display: block; text-decoration: none; color: inherit;
    background: var(--white); border-radius: var(--radius-lg); padding: 24px;
    box-shadow: var(--shadow); border-left: 4px solid var(--primary);
    transition: transform 0.2s, box-shadow 0.2s; cursor: pointer;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-card.accent { border-left-color: var(--accent); }
.stat-card h3 { font-size: 2rem; color: var(--primary); }
.stat-card p { color: var(--gray-500); font-size: 0.9rem; margin-top: 4px; }

/* File Grid */
.file-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

.file-card {
    background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
}
.file-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.file-card .file-preview {
    height: 160px; background: var(--gray-200); display: flex;
    align-items: center; justify-content: center; overflow: hidden;
}
.file-card .file-preview img { width: 100%; height: 100%; object-fit: cover; }
.file-card .file-preview .file-icon { font-size: 3rem; color: var(--gray-500); }
.file-card .file-info { padding: 14px; }
.file-card .file-info h4 { font-size: 0.9rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--gray-900); }
.file-card .file-info .meta { font-size: 0.8rem; color: var(--gray-500); }
.file-card .file-actions { padding: 0 14px 14px; display: flex; gap: 8px; flex-wrap: wrap; }

/* Links List */
.link-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px; border-bottom: 1px solid var(--gray-200); gap: 12px;
}
.link-item:last-child { border-bottom: none; }
.link-item .link-info { flex: 1; min-width: 0; }
.link-item .link-info h4 { margin-bottom: 2px; }
.link-item .link-info a { color: var(--primary); word-break: break-all; font-size: 0.85rem; }
.link-item .link-info .meta { font-size: 0.8rem; color: var(--gray-500); margin-top: 4px; }

/* Table */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gray-200); }
th { font-weight: 600; color: var(--gray-700); background: var(--gray-100); }
tr:hover td { background: var(--gray-100); transition: background 0.2s; }

/* Badge */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600;
}
.badge-admin { background: var(--accent); color: #ffffff; }
.badge-vorstand { background: #dc3545; color: #ffffff; }
.badge-jugendleitung { background: #6f42c1; color: #ffffff; }
.badge-trainer { background: var(--primary); color: #ffffff; }
.badge-spieler { background: var(--gray-500); color: #ffffff; }
.badge-richtertisch { background: #e67e22; color: #ffffff; }
.badge-kantine { background: #27ae60; color: #ffffff; }

/* Upload Area */
.upload-area {
    border: 2px dashed var(--gray-300); border-radius: var(--radius-lg);
    padding: 40px; text-align: center; cursor: pointer; transition: all 0.2s;
}
.upload-area:hover { border-color: var(--primary); background: rgba(26, 42, 94, 0.02); }
.upload-area .icon { font-size: 2.5rem; color: var(--gray-500); margin-bottom: 12px; }
.upload-area p { color: var(--gray-500); }

/* Modal */
.modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    z-index: 1000; align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal { 
    background: var(--white); 
    border-radius: var(--radius-lg); 
    padding: 30px; 
    width: 90%; 
    max-width: 500px; 
    transition: background 0.3s;
    color: var(--text);
}
.modal h2 { margin-bottom: 20px; color: var(--primary); }

/* Pagination */
.pagination-info {
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--gray-500);
    font-weight: 600;
}
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}
.pagination-pages {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 600;
}

/* Responsive */
.mobile-toggle { display: none; position: fixed; top: 16px; left: 16px; z-index: 200; background: var(--primary); color: var(--white); border: none; padding: 10px 14px; border-radius: var(--radius); cursor: pointer; font-size: 1.2rem; }

@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .sidebar-toggle { display: none; }
    .sidebar { width: 260px !important; transform: translateX(-100%); transition: transform 0.3s; }
    .sidebar.open { transform: translateX(0); }
    .sidebar.collapsed .sidebar-header h2,
    .sidebar.collapsed .sidebar-header small,
    .sidebar.collapsed .sidebar-nav a span.label,
    .sidebar.collapsed .sidebar-footer { display: block; }
    .sidebar.collapsed .sidebar-nav a { justify-content: flex-start; padding: 12px 20px; }
    .sidebar.collapsed .sidebar-nav a .icon { margin-right: 12px; }
    .main-content { margin-left: 0 !important; padding: 20px; padding-top: 60px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .file-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .filter-form { grid-template-columns: 1fr; }
    .filter-actions { flex-direction: row; }
}