/* TOV — Mobile-first responsive styles */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    padding: 0;
}

header {
    background: var(--primary);
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

header p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 0.75rem;
}

nav {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

nav a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: background 0.2s;
}

nav a:hover, nav a.active {
    background: rgba(255,255,255,0.15);
    color: white;
}

main {
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.status-ok { color: var(--success); font-weight: 600; }
.status-warn { color: var(--warning); font-weight: 600; }
.status-error { color: var(--danger); font-weight: 600; }

/* Forms */
label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    margin-top: 0.75rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: var(--card-bg);
    color: var(--text);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

button, .btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
    margin-top: 0.75rem;
}

button:hover, .btn:hover { background: var(--primary-dark); }

.btn-danger { background: var(--danger); }
.btn-secondary { background: var(--text-muted); }

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    padding: 0.6rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
}

/* Responsive */
@media (max-width: 640px) {
    header { padding: 0.75rem; }
    main { padding: 0.75rem; }
    .card { padding: 1rem; }
    table { font-size: 0.8rem; }
}