:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222536;
    --bg-hover: #2a2d3e;
    --text-primary: #e8eaf0;
    --text-secondary: #9498a8;
    --text-muted: #6b6f80;
    --accent: #6c5ce7;
    --accent-hover: #7d6ff0;
    --accent-light: rgba(108, 92, 231, 0.15);
    --green: #00b894;
    --green-light: rgba(0, 184, 148, 0.15);
    --red: #e17055;
    --red-light: rgba(225, 112, 85, 0.15);
    --yellow: #fdcb6e;
    --yellow-light: rgba(253, 203, 110, 0.15);
    --border: #2d3148;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}

header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 4px;
}

.header-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

/* Navigation */
nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    gap: 4px;
    padding: 8px 20px;
    overflow-x: auto;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s;
}

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

.nav-btn.active {
    background: var(--accent-light);
    color: var(--accent);
}

/* Main content */
main {
    padding: 24px 20px;
    min-height: calc(100vh - 200px);
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Controls */
.controls {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input,
.filter-select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus,
.filter-select:focus {
    border-color: var(--accent);
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.filter-select {
    min-width: 150px;
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn.primary:hover {
    background: var(--accent-hover);
}

/* Banks grid */
.banks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.bank-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.bank-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.bank-card .bank-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.bank-card .bank-meta {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.bank-card .bank-rating {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-light);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.bank-card .bank-rating.low {
    background: var(--red-light);
    color: var(--red);
}

.bank-card .bank-rating.mid {
    background: var(--yellow-light);
    color: var(--yellow);
}

.bank-card .bank-rating.high {
    background: var(--green-light);
    color: var(--green);
}

.bank-card .bank-country {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Bank detail */
.bank-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 24px;
}

.bank-detail.hidden {
    display: none;
}

.bank-detail .detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.bank-detail .detail-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.bank-detail .close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.bank-detail .close-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.detail-section {
    margin-bottom: 24px;
}

.detail-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

td {
    font-size: 0.9rem;
}

tr:hover td {
    background: var(--bg-hover);
}

td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

th.num {
    text-align: right;
}

/* Stars */
.stars {
    color: var(--yellow);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* Ratings list */
.ratings-list {
    display: grid;
    gap: 12px;
}

.rating-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: 16px;
    align-items: center;
}

.rating-item .branch-name {
    font-weight: 500;
}

.rating-item .bank-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.rating-item .reviews {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.rating-item .distance {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Compare */
.compare-selector {
    flex: 1;
}

.compare-selector label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.checkbox-group label:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.checkbox-group input:checked + span {
    color: var(--accent);
}

.checkbox-group label:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-light);
}

.checkbox-group input[type="checkbox"] {
    accent-color: var(--accent);
}

.compare-results {
    margin-top: 24px;
}

.compare-table {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}

.compare-table th {
    background: var(--bg-secondary);
}

/* Charts */
.chart-section {
    margin-top: 32px;
}

.chart-section h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.bar-label {
    width: 200px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.bar-container {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: 6px;
    height: 32px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.6s ease;
    display: flex;
    align-items: center;
    padding-left: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    min-width: 40px;
}

.bar-value {
    width: 60px;
    text-align: right;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'SF Mono', 'Fira Code', monospace;
    flex-shrink: 0;
}

/* Tags */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag.qatar { background: var(--accent-light); color: var(--accent); }
.tag.uk { background: var(--green-light); color: var(--green); }
.tag.france { background: var(--yellow-light); color: var(--yellow); }
.tag.other { background: var(--red-light); color: var(--red); }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}

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

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banks-grid {
        grid-template-columns: 1fr;
    }
    
    .rating-item {
        grid-template-columns: 1fr auto;
    }
    
    .bar-label {
        width: 120px;
        font-size: 0.75rem;
    }
    
    .controls {
        flex-direction: column;
    }
    
    .search-input {
        width: 100%;
    }
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

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