:root {
    --brand-primary: #1a56db;
    --brand-primary-dark: #1544ad;
    --brand-bg: #f8fafc;
    --brand-card-border: #e5e7eb;
    --font-display: 'Manrope', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    font-family: var(--font-body);
    background-color: var(--brand-bg);
    color: #1f2937;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-display);
    font-weight: 700;
}

.btn-primary {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--brand-primary-dark);
    border-color: var(--brand-primary-dark);
}
.text-primary { color: var(--brand-primary) !important; }
.bg-primary { background-color: var(--brand-primary) !important; }

.card {
    border: 1px solid var(--brand-card-border);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.card-stat {
    border-left: 4px solid var(--brand-primary);
}

.navbar {
    font-family: var(--font-display);
}

.hero {
    background: linear-gradient(135deg, #eef4ff 0%, #ffffff 100%);
    border-radius: 1rem;
}

.metric-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

.table-metrics td, .table-metrics th {
    font-family: var(--font-mono);
}

/* Accessibility: visible focus states */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}