/* =====================================================
   Public Style - ระบบรับสมัครทุนการศึกษา
   ===================================================== */

:root {
    --primary-color: #1a5276;
    --secondary-color: #2980b9;
    --accent-color: #e74c3c;
    --bg-light: #f8f9fa;
}

body {
    font-family: 'Sarabun', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-light);
}

main {
    flex: 1;
}

/* Top Bar */
.top-bar {
    font-size: 0.85rem;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 10px 10px 0 0 !important;
    font-weight: 600;
}

/* News Card */
.news-card {
    border-left: 4px solid var(--secondary-color);
}

.news-card .card-title {
    color: var(--primary-color);
    font-weight: 600;
}

.news-card .news-date {
    color: #6c757d;
    font-size: 0.85rem;
}

/* Scholarship Card */
.scholarship-card {
    border-top: 4px solid var(--accent-color);
}

.scholarship-card .badge {
    font-size: 0.75rem;
}

/* Banner (โชว์เต็มรูป ไม่ครอป รองรับทุกอัตราส่วน) */
.banner-carousel .carousel-item {
    height: auto;
    background: #f8f9fa;
}

.banner-carousel .carousel-item img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background-color: #c0392b;
    border-color: #c0392b;
    color: white;
}

/* Section Headers */
.section-header {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 25px;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header.center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Form Styles */
.form-label {
    font-weight: 600;
    color: var(--primary-color);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(41, 128, 185, 0.25);
}

/* Status Badge */
.badge-secondary { background-color: #6c757d; }
.badge-warning { background-color: #ffc107; color: #212529; }
.badge-info { background-color: #17a2b8; }
.badge-success { background-color: #28a745; }
.badge-danger { background-color: #dc3545; }

/* Footer */
.footer {
    margin-top: auto;
}

.footer h6 {
    color: white;
}

/* Print Styles */
@media print {
    .top-bar,
    .navbar,
    .footer,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0;
    }
    
    .hero-section h1 {
        font-size: 1.6rem;
    }
    
    .banner-carousel .carousel-item img {
        max-height: 220px;
    }
}