:root {
    --navy: #16264a;
    --navy-dark: #0e1a35;
    --green: #2f7a4d;
    --green-dark: #245e3b;
    --gold: #c9a227;
    --bg: #f2f4f8;
    --card: #ffffff;
    --text: #1c2333;
    --muted: #6b7280;
    --border: #dfe3ea;
    --danger: #b3261e;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Top bar ---------- */
.topbar {
    background: var(--navy);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 28px;
    flex-wrap: wrap;
    gap: 10px;
}

.topbar .logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}

.topbar nav a {
    color: #dbe3f0;
    text-decoration: none;
    margin-left: 18px;
    font-size: 0.95rem;
}

.topbar nav a:hover { color: var(--gold); }

.topbar .welcome {
    margin-left: 18px;
    color: var(--gold);
    font-size: 0.9rem;
}

/* ---------- Layout ---------- */
.container {
    max-width: 960px;
    margin: 32px auto;
    padding: 0 20px;
}

.site-footer {
    text-align: center;
    color: var(--muted);
    padding: 24px;
    font-size: 0.85rem;
}

/* ---------- Cards / forms ---------- */
.form-card, .generator-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px 32px;
    max-width: 640px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(22, 38, 74, 0.06);
}

.form-card h2, .generator-card h2 {
    margin-top: 0;
    color: var(--navy);
    border-bottom: 3px solid var(--green);
    display: inline-block;
    padding-bottom: 6px;
}

form label {
    display: block;
    margin: 14px 0 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--navy);
}

input[type=text], input[type=email], input[type=password], input[type=number],
select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    background: #fff;
}

select[multiple] { min-height: 130px; }

textarea { resize: vertical; }

.btn-primary {
    background: var(--green);
    color: #fff;
    border: none;
    padding: 11px 22px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 18px;
}

.btn-primary:hover { background: var(--green-dark); }
.btn-primary:disabled { background: #a3b0a8; cursor: not-allowed; }

.btn-secondary {
    display: inline-block;
    background: #eef1f6;
    color: var(--navy);
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 18px;
    margin-left: 10px;
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.alert.error { background: #fbe9e7; color: var(--danger); border: 1px solid #f3c6c2; }
.alert.success { background: #e8f5e9; color: var(--green-dark); border: 1px solid #bfe3c6; }

/* ---------- Test generator selectors ---------- */
.selectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.checkbox-group label {
    font-weight: 400;
    display: inline-block;
    margin-right: 14px;
}

/* ---------- Generated test ---------- */
.question-list {
    padding-left: 20px;
}

.question-list li { margin-bottom: 18px; }

.q-text { font-weight: 600; margin: 0 0 6px; }

.options {
    list-style: none;
    padding-left: 12px;
    margin: 0;
}

.options li { padding: 3px 0; color: var(--text); }

.print-actions { margin-bottom: 20px; }

.answer-key { margin-top: 24px; color: var(--muted); }

@media print {
    .topbar, .site-footer, .no-print { display: none !important; }
    .generator-card { box-shadow: none; border: none; }
}

/* ---------- Admin ---------- */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 5px solid var(--green);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.stat-box h3 { margin: 0; font-size: 1.8rem; color: var(--navy); }
.stat-box p { margin: 4px 0 0; color: var(--muted); font-size: 0.85rem; }

.admin-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.admin-card {
    background: var(--navy);
    color: #fff;
    text-decoration: none;
    text-align: center;
    padding: 22px 12px;
    border-radius: 8px;
    font-weight: 600;
}

.admin-card:hover { background: var(--navy-dark); }

.inline-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    align-items: center;
}

.inline-form input, .inline-form select { width: auto; flex: 1; min-width: 160px; }

.question-form { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 24px; margin-bottom: 30px; }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 8px;
    overflow: hidden;
}

.admin-table th, .admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.9rem;
}

.admin-table th { background: var(--navy); color: #fff; }
.admin-table a { color: var(--danger); text-decoration: none; }