body {
    font-family: 'Sarabun', sans-serif; /* แนะนำให้ import Google Font 'Sarabun' */
    background-color: #f8f9fa;
}

header .fs-4 {
    font-weight: 600;
    color: #343a40;
}

.table-hover tbody tr:hover {
    background-color: #e9ecef;
}

.student-photo {
    transition: transform .2s;
}

.student-photo:hover {
    transform: scale(1.1);
}

.card-header {
    font-weight: 500;
}
.search-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 60px;
    margin-bottom: 40px;
}

.search-form {
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.search-box {
    padding: 12px 20px;
    font-size: 18px;
    border-radius: 25px;
    border: 1px solid #ccc;
    width: 100%;
    box-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
}