/* ========================
   ระบบเก็บผลงานครู - Custom Styles
   ======================== */

/* Global */
body {
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f7fa;
}

/* Navbar */
.navbar-brand {
    font-weight: 700;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
}

/* Table */
.table th {
    font-weight: 600;
    white-space: nowrap;
}

.table td {
    vertical-align: middle;
}

/* Badges */
.badge {
    font-weight: 500;
}

/* Form mobile optimization */
@media (max-width: 768px) {
    .form-control-lg, .form-select-lg {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .card-body {
        padding: 1rem;
    }

    /* Make buttons larger on mobile */
    .btn-lg {
        padding: 12px 24px;
        font-size: 18px;
    }

    /* Full width buttons on mobile */
    .d-grid .btn {
        padding: 14px;
    }
}

/* Image thumbnails */
.img-thumbnail {
    border-radius: 8px;
    transition: transform 0.2s;
}

.img-thumbnail:hover {
    transform: scale(1.05);
}

/* Detail page */
.list-group-item {
    border-radius: 8px !important;
    margin-bottom: 4px;
}

/* Search/Filter area */
.card .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 4px;
}

/* Pagination */
.pagination .page-link {
    border-radius: 8px;
    margin: 0 2px;
}

/* Animation */
.card {
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1) !important;
}

/* Table responsive on mobile */
@media (max-width: 992px) {
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Print styles */
@media print {
    .navbar, .btn, form, .pagination {
        display: none !important;
    }
}