/* ==========================================
   TrackManager - Komoot-Inspired Design
   ========================================== */

/* --- CSS Variables --- */
:root {
    --green-primary: #6AA127;
    --green-dark: #4F7B1C;
    --green-light: #8BC34A;
    --green-bg: #EAF2E0;
    --orange: #E8652D;
    --orange-dark: #C4511F;
    --orange-light: #F4A261;
    --dark: #2D3436;
    --dark-secondary: #3D4548;
    --gray-900: #1A1D1F;
    --gray-700: #4A5568;
    --gray-500: #718096;
    --gray-400: #A0AEC0;
    --gray-300: #CBD5E0;
    --gray-200: #E2E8F0;
    --gray-100: #EDF2F7;
    --gray-50: #F7FAFC;
    --white: #FFFFFF;
    --red: #E53E3E;
    --red-light: #FED7D7;
    --blue: #3182CE;
    --blue-light: #EBF4FF;
    --yellow: #ECC94B;
    --yellow-light: #FEFCBF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sidebar-width: 260px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font);
    background: var(--gray-50);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--green-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }

img { max-width: 100%; }

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: var(--dark); }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

/* --- Auth Pages (Login / Register / Setup) --- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #1a3a2a 50%, var(--green-dark) 100%);
    padding: 2rem;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    animation: fadeUp 0.4s ease-out;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo svg { width: 48px; height: 48px; }
.auth-logo h1 { 
    font-size: 1.5rem; 
    color: var(--green-primary); 
    margin-top: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.auth-logo p { color: var(--gray-500); font-size: 0.9rem; margin-top: 0.25rem; }

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.lang-switch {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8rem;
}
.lang-switch a {
    color: var(--gray-400);
    margin: 0 0.5rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.lang-switch a:hover, .lang-switch a.active {
    color: var(--green-primary);
    background: var(--green-bg);
}

/* --- Forms --- */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--dark);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(106, 161, 39, 0.15);
}

.form-control::placeholder { color: var(--gray-400); }

select.form-control {
    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='%23718096' d='M6 8.825L1.175 4 2.238 2.938 6 6.7 9.763 2.937 10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

textarea.form-control { resize: vertical; min-height: 80px; }

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--green-primary);
    cursor: pointer;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--dark);
}
.btn-secondary:hover { background: var(--gray-300); }

.btn-danger {
    background: var(--red);
    color: var(--white);
}
.btn-danger:hover { background: #C53030; color: var(--white); }

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

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--gray-300);
    color: var(--gray-700);
}
.btn-outline:hover { border-color: var(--green-primary); color: var(--green-primary); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.8rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { padding: 0.5rem; border-radius: var(--radius); }

.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* --- Layout (Sidebar + Main) --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand svg { width: 32px; height: 32px; flex-shrink: 0; }
.sidebar-brand h2 { 
    font-size: 1.15rem; 
    font-weight: 800; 
    color: var(--green-light);
    letter-spacing: -0.3px;
}
.sidebar-brand small { 
    display: block;
    font-size: 0.65rem; 
    color: var(--gray-500); 
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-nav { padding: 1rem 0; flex: 1; }

.nav-section {
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.nav-section-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    color: var(--gray-400);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    margin-bottom: 2px;
}
.nav-item:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-item.active { 
    color: var(--white); 
    background: var(--green-primary);
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.75; }
.nav-item.active svg { opacity: 1; }

.nav-badge {
    margin-left: auto;
    background: rgba(255,255,255,0.12);
    color: var(--gray-400);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
}
.nav-item.active .nav-badge { background: rgba(255,255,255,0.25); color: var(--white); }

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.sidebar-footer .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--green-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}
.sidebar-footer .user-info { flex: 1; min-width: 0; }
.sidebar-footer .user-info strong { 
    display: block;
    font-size: 0.85rem; 
    color: var(--white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-footer .user-info span { font-size: 0.7rem; color: var(--gray-500); }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 1rem; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--dark);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--gray-500);
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--green-primary); }
.breadcrumb .separator { color: var(--gray-400); }

.topbar-right { display: flex; align-items: center; gap: 1rem; }

.page-content { padding: 2rem; flex: 1; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 { font-size: 1.5rem; }
.page-header .subtitle { color: var(--gray-500); font-size: 0.9rem; margin-top: 0.2rem; }

/* --- Cards --- */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.card-header h3 { font-size: 1rem; }
.card-body { padding: 1.25rem; }
.card-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--gray-200); }

/* --- Stat Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon.green { background: var(--green-bg); color: var(--green-primary); }
.stat-icon.orange { background: #FFF0E6; color: var(--orange); }
.stat-icon.blue { background: var(--blue-light); color: var(--blue); }
.stat-icon.gray { background: var(--gray-100); color: var(--gray-700); }

.stat-info h4 { font-size: 0.75rem; color: var(--gray-500); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-info .stat-value { font-size: 1.75rem; font-weight: 800; color: var(--dark); line-height: 1.2; margin-top: 0.15rem; }

/* --- Tables --- */
.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
    vertical-align: middle;
}

table tbody tr { transition: background var(--transition); }
table tbody tr:hover { background: var(--gray-50); }

/* --- Route Cards (List View) --- */
.route-list { display: flex; flex-direction: column; gap: 0.75rem; }

.route-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition);
    cursor: pointer;
}
.route-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--green-primary);
}

.route-card .route-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--green-bg);
    color: var(--green-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.route-card .route-icon.corrected { background: #FFF0E6; color: var(--orange); }

.route-card .route-info { flex: 1; min-width: 0; }
.route-card .route-info h4 {
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.route-card .route-info .route-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    flex-wrap: wrap;
}
.route-card .route-info .route-meta span { display: flex; align-items: center; gap: 0.25rem; }
.route-card .route-original-name { font-size: 0.75rem; color: var(--gray-400); font-style: italic; }
.route-card .route-categories { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.route-card .route-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

/* --- Tags / Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.3px;
}
.badge-green { background: var(--green-bg); color: var(--green-dark); }
.badge-orange { background: #FFF0E6; color: var(--orange); }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-gray { background: var(--gray-100); color: var(--gray-700); }
.badge-red { background: var(--red-light); color: var(--red); }

.category-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    color: var(--white);
}

/* --- Filters & Search Bar --- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.search-input {
    position: relative;
    flex: 1;
    min-width: 200px;
}
.search-input input {
    width: 100%;
    padding: 0.55rem 0.9rem 0.55rem 2.5rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition);
}
.search-input input:focus { border-color: var(--green-primary); }
.search-input svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}

.filter-chips { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.filter-chip {
    padding: 0.4rem 0.85rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--white);
}
.filter-chip:hover { border-color: var(--green-primary); color: var(--green-primary); }
.filter-chip.active { 
    background: var(--green-primary); 
    color: var(--white); 
    border-color: var(--green-primary); 
}

/* --- Map --- */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}
.map-container.small { height: 250px; }
.map-container.large { height: 500px; }

/* --- Recharge Panel --- */
.recharge-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}
.recharge-item .recharge-header {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
}
.recharge-item .recharge-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 1.25rem;
}
.recharge-side {
    padding: 1rem;
    border-radius: var(--radius);
}
.recharge-side.original { background: var(--gray-50); border: 1px dashed var(--gray-300); }
.recharge-side.corrected { background: var(--green-bg); border: 1px solid var(--green-primary); }
.recharge-side h4 { font-size: 0.85rem; margin-bottom: 0.75rem; }
.recharge-side .hint { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.5rem; }
.recharge-side .hint.delete-hint { color: var(--red); font-weight: 500; }

/* --- Alerts / Flash Messages --- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeUp 0.3s ease-out;
}
.alert-success { background: var(--green-bg); color: var(--green-dark); border: 1px solid var(--green-primary); }
.alert-error { background: var(--red-light); color: var(--red); border: 1px solid var(--red); }
.alert-info { background: var(--blue-light); color: var(--blue); border: 1px solid var(--blue); }
.alert-warning { background: var(--yellow-light); color: #744210; border: 1px solid var(--yellow); }

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 { font-size: 1.1rem; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gray-500); padding: 0.25rem; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-200); display: flex; gap: 0.75rem; justify-content: flex-end; }

/* --- Loading Spinner --- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--green-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: var(--radius-lg);
}

/* --- Favorites Star --- */
.fav-star {
    cursor: pointer;
    color: var(--gray-300);
    transition: color var(--transition);
}
.fav-star:hover { color: var(--yellow); }
.fav-star.active { color: var(--yellow); }

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--gray-500);
}
.empty-state svg { width: 64px; height: 64px; color: var(--gray-300); margin-bottom: 1rem; }
.empty-state h3 { color: var(--gray-700); margin-bottom: 0.5rem; }
.empty-state p { font-size: 0.9rem; margin-bottom: 1.5rem; }

/* --- Tabs --- */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 1.5rem;
    gap: 0;
}
.tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
}
.tab:hover { color: var(--dark); }
.tab.active { color: var(--green-primary); border-bottom-color: var(--green-primary); }

/* --- Grid layouts --- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* --- Import Progress --- */
.import-progress {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1rem;
}
.progress-bar-wrapper {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0.5rem 0;
}
.progress-bar {
    height: 100%;
    background: var(--green-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}
.progress-text {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* --- Color picker presets --- */
.color-presets { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; }
.color-preset {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
}
.color-preset:hover { transform: scale(1.15); }
.color-preset.active { border-color: var(--dark); box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--dark); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .page-content { padding: 1.25rem; }
    .topbar { padding: 0.75rem 1.25rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .recharge-item .recharge-body { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .route-card { flex-direction: column; align-items: flex-start; }
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-small { font-size: 0.8rem; }
.text-green { color: var(--green-primary); }
.text-orange { color: var(--orange); }
.text-red { color: var(--red); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mr-1 { margin-right: 0.5rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none !important; }
.relative { position: relative; }