/* =========================================================
   style.css
   File ini HANYA berisi penyesuaian kecil di atas Bootstrap 5.
   Sebagian besar layout & komponen (grid, card, form, button)
   sudah ditangani oleh Bootstrap via CDN di index.php.
   ========================================================= */

body {
    background-color: #f4f6f9;
}

/* ---------- Header ---------- */
.app-header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #fff;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.app-header h1 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.app-header p {
    margin-bottom: 0;
    opacity: 0.85;
}

/* ---------- Kolom Form (Kiri) ---------- */
.form-card {
    position: sticky;
    top: 1rem;
}

/* ---------- Kolom Galeri (Kanan) ---------- */
.gallery-card {
    height: 100%;
}

.photo-thumb-wrapper {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 0.5rem 0.5rem 0 0;
    background-color: #e9ecef;
}

.photo-thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s ease;
}

.photo-thumb-wrapper:hover img {
    transform: scale(1.05);
}

.photo-caption {
    font-size: 0.85rem;
}

.badge-kategori {
    font-size: 0.75rem;
}

/* ---------- Empty State ---------- */
.empty-state {
    padding: 3rem 1rem;
    text-align: center;
    color: #6c757d;
}

/* ---------- Responsif tambahan ---------- */
@media (max-width: 768px) {
    .form-card {
        position: static; /* Matikan sticky di layar kecil agar tidak menutupi konten */
        margin-bottom: 1.5rem;
    }
}