:root {
    /* Linear inspired minimalist dark theme */
    --bg-base: #000000;
    --bg-surface: #0a0a0a;
    --bg-surface-hover: #121212;

    --border-subtle: #27272a;
    --border-hover: #3f3f46;

    --text-primary: #ededed;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --brand-color: #E11D48;

    --status-success: #10b981;
    --status-error: #ef4444;
    --status-warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.layout-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-base);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.brand-icon {
    color: var(--brand-color);
}

.status-indicator {
    display: flex;
    align-items: center;
}

.data-status {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    transition: all 0.2s ease;
}

.data-status::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.data-status.is-visible {
    opacity: 1;
}

.data-status.is-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--status-success);
}

.data-status.is-success::before {
    background: var(--status-success);
    box-shadow: 0 0 8px var(--status-success);
}

.data-status.is-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--status-error);
}

.data-status.is-error::before {
    background: var(--status-error);
    box-shadow: 0 0 8px var(--status-error);
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    width: 100%;
    flex: 1;
}

.page-header {
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.db-updated-at {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
}

.stat-card:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-surface-hover);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.stat-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-icon {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.stat-body {
    margin-bottom: 1.25rem;
}

.count {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1;
}

.stat-footer {
    font-size: 0.8125rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
    margin-top: auto;
}

/* Subtle accent variations */
.stat-card:hover .stat-icon.blue {
    color: #3b82f6;
}

.stat-card:hover .stat-icon.purple {
    color: #8b5cf6;
}

.stat-card:hover .stat-icon.pink {
    color: var(--brand-color);
}

@media (max-width: 768px) {
    .main-content {
        padding: 2rem 1.25rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}