@charset "utf-8";

/* Font */
* { font-family: 'Bai Jamjuree', sans-serif; }

/* Banner */
.header-parallax {
    height: 40vh;
    background-size: cover; background-position: center; background-attachment: fixed;
    display: flex; justify-content: center; align-items: center; text-align: center;
    position: relative; margin-bottom: 40px;
}
.header-parallax::before {
    content: ''; position: absolute; top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.6);
}
.header-con { 
    position: relative; z-index: 1; color: #fff; padding: 30px 50px;
    background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 215, 0, 0.5); border-radius: 10px; 
}
.header-con h1 { font-size: 2rem; font-weight: 700; margin-bottom: 10px; color: #FFD700; }
.header-con p { font-size: 1.1rem; color: #ddd; margin: 0; letter-spacing: 1px; }

/* Card & Section */
.oit-section { margin-bottom: 40px; }
.oit-card {
    background: #fff; border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden; border: 1px solid rgba(0,0,0,0.05);
}
.card-header-badge {
    background: linear-gradient(135deg, #5A0000, #3a0000);
    padding: 15px 30px; border-bottom: 4px solid #FFD700;
}
.card-header-badge h3 { margin: 0; color: #fff; font-size: 1.4rem; font-weight: 700; }
.card-header-badge i { margin-right: 10px; color: #FFD700; }
.card-body-content { padding: 40px; }

/* Month Block */
.month-block { margin-bottom: 20px; }
.month-title {
    color: #5A0000; font-weight: 700; font-size: 1.3rem; margin-bottom: 20px;
    border-left: 5px solid #FFD700; padding-left: 15px;
}
.month-divider { border-top: 1px dashed #ccc; margin: 30px 0; }

/* Department Grid (ปุ่มกด) */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* แบ่งช่องอัตโนมัติ */
    gap: 15px;
}

.dept-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: #f8f9fa; border: 1px solid #e0e0e0; border-radius: 10px;
    padding: 20px 10px; text-decoration: none; color: #444;
    transition: all 0.2s; text-align: center;
}
.dept-item:hover {
    background: #fffbf0; border-color: #FFD700;
    transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    color: #5A0000;
}
.dept-item.disabled {
    opacity: 0.6; cursor: default; background: #f2f2f2; border-color: #eee;
}
.dept-item.disabled:hover { transform: none; box-shadow: none; color: #444; }

.icon-box {
    font-size: 1.8rem; margin-bottom: 10px; color: #5A0000;
}
.dept-item span { font-weight: 600; font-size: 0.95rem; }

/* Responsive */
@media (max-width: 768px) {
    .header-con h1 { font-size: 1.5rem; }
    .card-body-content { padding: 20px; }
    .dept-grid { grid-template-columns: repeat(2, 1fr); } /* มือถือแบ่ง 2 ช่อง */
}