/* ============================================
   KU Exchange Program - Additional CSS
   ใส่ที่: Appearance -> Customize -> Additional CSS
   ============================================ */

.ku-ex-wrap,
.ku-ex-wrap * {
    box-sizing: border-box;
}

.ku-ex-wrap {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.ku-ex-wrap a {
    color: #1a5632;
}

.ku-ex-hero {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(rgba(26, 86, 50, 0.8), rgba(45, 122, 79, 0.85)),
                url('https://picsum.photos/seed/campus/1920/600') center/cover no-repeat;
    color: #fff;
    padding: 60px 20px;
    text-align: center;
    margin-bottom: 30px;
}

.ku-ex-hero h1 {
    font-size: 2.5rem;
    margin: 0 0 10px;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.ku-ex-hero > p {
    font-size: 1.2rem;
    opacity: 0.95;
    margin: 0;
}

.ku-ex-logo {
    display: inline-block;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: url('https://picsum.photos/seed/kulogo/160/160') center/cover;
    border: 3px solid #fff;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

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

.ku-ex-section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.ku-ex-section h2 {
    color: #1a5632;
    font-size: 1.8rem;
    margin: 0 0 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #2d7a4f;
}

.ku-ex-photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.ku-ex-photo-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 200px;
    background: #2d7a4f url('https://picsum.photos/seed/photogrid/600/400') center/cover;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    display: flex;
    align-items: flex-end;
}

.ku-ex-photo-item .ku-ex-caption {
    background: rgba(26, 86, 50, 0.85);
    color: #fff;
    padding: 8px 12px;
    width: 100%;
    font-size: 0.9rem;
}

.ku-ex-photo-banner {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.ku-ex-photo-banner img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

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

.ku-ex-info-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2d7a4f;
}

.ku-ex-info-item strong {
    display: block;
    color: #1a5632;
    margin-bottom: 5px;
}

.ku-ex-deadline-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.ku-ex-deadline-card {
    background: linear-gradient(135deg, #f0f9f4 0%, #e8f5e9 100%);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid #2d7a4f;
}

.ku-ex-deadline-card h3 {
    color: #1a5632;
    margin: 0 0 10px;
}

.ku-ex-deadline-card .ku-ex-date {
    font-size: 1.5rem;
    font-weight: bold;
    color: #d32f2f;
}

.ku-ex-requirements-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ku-ex-requirements-list li {
    padding: 12px 15px;
    margin-bottom: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 3px solid #ffc107;
}

.ku-ex-requirements-list li:before {
    content: "\2713";
    color: #2d7a4f;
    font-weight: bold;
    margin-right: 10px;
}

.ku-ex-note {
    background: #fff3cd;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    border-left: 4px solid #ffc107;
}

.ku-ex-note strong {
    color: #856404;
}

.ku-ex-course-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.ku-ex-course-table th {
    background: #1a5632;
    color: #fff;
    padding: 15px;
    text-align: left;
}

.ku-ex-course-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
}

.ku-ex-course-table tr:hover {
    background: #f0f9f4;
}

.ku-ex-program-header {
    background: #e8f5e9;
    font-weight: bold;
    color: #1a5632;
}

.ku-ex-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #1a5632;
    color: #fff !important;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.3s;
}

.ku-ex-btn:hover {
    background: #2d7a4f;
    color: #fff !important;
}

.ku-ex-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.ku-ex-contact-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-top: 4px solid #1a5632;
}

.ku-ex-contact-card h3 {
    color: #1a5632;
    margin: 0 0 15px;
}

.ku-ex-contact-card p {
    margin: 0 0 8px;
}

.ku-ex-footer {
    background: #1a5632;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-radius: 12px;
}

.ku-ex-footer p {
    margin: 0;
}

.ku-ex-footer .ku-ex-sub {
    margin-top: 5px;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .ku-ex-hero h1 {
        font-size: 1.8rem;
    }

    .ku-ex-section h2 {
        font-size: 1.4rem;
    }

    .ku-ex-course-table {
        font-size: 0.9rem;
    }

    .ku-ex-course-table th,
    .ku-ex-course-table td {
        padding: 8px;
    }

    .ku-ex-photo-banner img {
        height: 180px;
    }
}