/* 과천중앙고등학교 시간표 사이트 스타일 */
:root {
    --primary: #1e3a8a;
    --secondary: #3b82f6;
    --accent: #60a5fa;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --border: #e2e8f0;
}

body {
    font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 40px 20px;
    text-align: center;
    border-radius: 0 0 20px 20px;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.search-section {
    background: var(--card);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-box input {
    flex: 1;
    min-width: 250px;
    padding: 14px 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
}

.btn {
    padding: 14px 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
}

.section-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin: 30px 0 20px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.timetable-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.timetable-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

.timetable-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 25px;
    text-align: center;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

footer {
    text-align: center;
    padding: 30px;
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 50px;
}