:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --border: #e5e7eb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #eef4ff, var(--bg));
    color: var(--text);
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.hero {
    text-align: center;
    margin-bottom: 30px;
}

.eyebrow {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    background: #dbeafe;
    color: var(--accent-dark);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.hero h1 {
    margin: 0 0 10px;
    font-size: 2rem;
}

.hero p {
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
}

.table-wrapper {
    overflow-x: auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.course-table {
    width: 100%;
    border-collapse: collapse;
}

.course-table th,
.course-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.course-table th {
    background: #eff6ff;
    color: var(--accent-dark);
    font-size: 0.95rem;
}

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

.course-description {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--muted);
}

.btn {
    text-decoration: none;
    background: var(--accent);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: background 0.2s ease;
}

.btn:hover {
    background: var(--accent-dark);
}

.empty-state {
    text-align: center;
    padding: 40px;
    background: var(--card);
    border: 1px dashed var(--border);
    border-radius: 16px;
    color: var(--muted);
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .course-table th,
    .course-table td {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}