/* locums.now — Design System (DESIGN.md) */
/* Palette: forest green #1B4332, dark gold #C9963B, warm off-white #FAFAF5 */
/* Typography: Instrument Serif (display), DM Sans (body), Geist (data) */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif&family=DM+Sans:wght@400;500;700&family=Geist+Mono:wght@400;500&display=swap');

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

:root {
    --primary: #1B4332;
    --accent: #C9963B;
    --bg: #FAFAF5;
    --surface: #FFFFFF;
    --text: #1A1A1A;
    --muted: #6B7280;
    --light-surface: #F0EDE6;
    --success: #2D6A4F;
    --warning: #D4A843;
    --error: #B91C1C;
    --info: #1B4332;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Instrument Serif', serif;
    color: var(--primary);
    line-height: 1.2;
}

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

/* === Navigation === */
.nav {
    background: var(--primary);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-family: 'Instrument Serif', serif;
    color: white;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s ease-out;
}

.nav-links a:hover { color: white; }

.nav-links a.active { color: var(--accent); }

/* === Layout === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 64px 0;
}

.section-alt {
    background: var(--light-surface);
    padding: 64px 0;
}

/* === Hero (landing page) === */
.hero {
    padding: 96px 0 64px;
    max-width: 720px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--text);
}

.hero .subtitle {
    font-size: 1.125rem;
    color: var(--muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease-out;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #B8872F;
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

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

.btn-text {
    background: none;
    color: var(--primary);
    padding: 12px 0;
    font-weight: 500;
}

.btn-text:hover { color: var(--accent); }

.btn-group {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

/* === Cards === */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.card p {
    color: var(--muted);
    font-size: 0.875rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* === Stats (admin dashboard) === */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.stat-card .stat-number {
    font-family: 'Geist Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--muted);
    margin-top: 4px;
}

/* === Tables === */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.data-table th {
    background: var(--primary);
    color: white;
    padding: 12px 16px;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--light-surface);
    font-size: 0.875rem;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table .num {
    font-family: 'Geist Mono', monospace;
    font-variant-numeric: tabular-nums;
}

/* === Status badges === */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-green { background: #DCFCE7; color: var(--success); }
.badge-gold { background: #FEF3CD; color: #92702D; }
.badge-gray { background: #F3F4F6; color: var(--muted); }
.badge-red { background: #FEE2E2; color: var(--error); }

/* === Forms === */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #D1D5DB;
    border-radius: var(--radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9375rem;
    background: var(--surface);
    transition: border-color 0.15s ease-out;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 67, 50, 0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 640px;
    margin: 0 auto;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.form-card h2 {
    margin-bottom: 24px;
}

.error-message {
    background: #FEE2E2;
    border: 1px solid var(--error);
    color: var(--error);
    padding: 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 20px;
}

/* === Footer === */
.footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 0;
    font-size: 0.875rem;
    text-align: center;
}

.footer a { color: var(--accent); }

/* === Admin sidebar layout === */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 64px);
}

.sidebar {
    background: var(--primary);
    padding: 24px 0;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav a {
    display: block;
    padding: 10px 24px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease-out;
}

.sidebar-nav a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-nav a.active {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

.admin-content {
    padding: 32px;
    background: var(--bg);
}

.admin-content h1 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

/* === Rate calculator === */
.rate-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.rate-card .region { font-weight: 700; color: var(--primary); }
.rate-card .rate-range {
    font-family: 'Geist Mono', monospace;
    font-size: 1.25rem;
    font-variant-numeric: tabular-nums;
    margin: 8px 0;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav { padding: 0 16px; }
    .container { padding: 0 16px; }
    .admin-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .card-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}