:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #6366f1;
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.sync-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border-radius: 9999px;
    width: fit-content;
    margin: 0 auto 2rem;
    font-size: 0.9rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

.status-indicator.error {
    background: var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.metric-header {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.metric-card.primary .metric-value {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--success), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-detail {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Violations */
.violation-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.violation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
}

.violation-item.critical {
    border-left: 4px solid var(--danger);
}

.violation-item.warning {
    border-left: 4px solid var(--warning);
}

.violation-item.info {
    border-left: 4px solid var(--info);
}

.severity-label {
    font-size: 0.85rem;
    font-weight: 500;
}

.severity-count {
    font-size: 1.5rem;
    font-weight: 700;
}

.violation-item.critical .severity-count {
    color: var(--danger);
}

.violation-item.warning .severity-count {
    color: var(--warning);
}

.violation-item.info .severity-count {
    color: var(--info);
}

/* Category list */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-name {
    width: 120px;
    font-size: 0.9rem;
    text-transform: capitalize;
}

.category-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.category-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.category-score {
    width: 50px;
    text-align: right;
    font-weight: 600;
}

/* Chart sections */
.trend-section, .violations-section {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.trend-section h2, .violations-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.trend-chart {
    height: 300px;
}

.breakdown-chart {
    height: 200px;
}

/* Violations list */
.violations-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.violation-entry {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
    border-left: 4px solid var(--warning);
}

.violation-entry.critical {
    border-left-color: var(--danger);
}

.violation-icon {
    font-size: 1.5rem;
}

.violation-content {
    flex: 1;
}

.violation-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.violation-description {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.violation-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.no-violations {
    text-align: center;
    padding: 2rem;
    color: var(--success);
}

.no-violations .icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.version {
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .metric-card.primary .metric-value {
        font-size: 3rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}