/* ==========================================
   GALLERY PAGE (HÌNH ẢNH - VIDEO) - Styles (gallery.css)
   ========================================== */

/* ========== PAGE HERO ========== */
.page-hero.gallery-hero {
    position: relative;
    padding: 165px 0 85px;
    background:
        url('https://images.unsplash.com/photo-1448375240586-882707db888b?w=1600&h=600&fit=crop')
        center/cover no-repeat;
    text-align: center;
    overflow: hidden;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13, 59, 30, 0.92) 0%,
        rgba(20, 90, 46, 0.86) 50%,
        rgba(13, 59, 30, 0.94) 100%
    );
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}
.breadcrumb a {
    color: var(--green-300);
    display: flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a:hover { color: var(--white); }
.breadcrumb-sep { color: var(--green-400); font-size: 10px; }
.breadcrumb-current { color: var(--white); font-weight: 500; }

.page-hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 50px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 14px;
}

.page-hero-subtitle {
    font-size: 17px;
    color: var(--green-200);
    max-width: 720px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

.hero-upload-cta {
    display: flex;
    justify-content: center;
}

/* ========== GALLERY MAIN ========== */
.gallery-main {
    background: var(--gray-50);
    padding: 55px 0 95px;
    min-height: 70vh;
}

/* Topbar: Stats + Upload button */
.gallery-topbar {
    background: var(--white);
    padding: 20px 26px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.gallery-stats {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.g-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-xl);
    background: var(--green-50);
    color: var(--green-900);
    font-size: 14px;
    border: 1px solid var(--green-100);
}
.g-stat-pill i { color: var(--green-600); }
.g-stat-pill.photo { background: #ebf5fb; color: #1b4f72; border-color: #d6eaf8; }
.g-stat-pill.photo i { color: #2980b9; }
.g-stat-pill.video { background: #fdedec; color: #78281f; border-color: #fadbd8; }
.g-stat-pill.video i { color: #e74c3c; }

/* Filter Controls */
.gallery-controls {
    background: var(--white);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.media-type-tabs {
    display: flex;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-xl);
    gap: 4px;
}

.type-tab {
    padding: 9px 18px;
    border-radius: var(--radius-xl);
    border: none;
    background: transparent;
    color: var(--gray-700);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: var(--transition);
}
.type-tab.active {
    background: var(--green-600);
    color: var(--white);
    box-shadow: 0 3px 10px rgba(30, 130, 69, 0.25);
}

.activity-cat-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cat-pill {
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.cat-pill:hover {
    border-color: var(--green-500);
    color: var(--green-700);
}
.cat-pill.active {
    background: var(--green-50);
    border-color: var(--green-600);
    color: var(--green-800);
}

.gallery-search {
    position: relative;
    min-width: 240px;
}
.gallery-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 13.5px;
}
.gallery-search input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-300);
    font-size: 13.5px;
    outline: none;
}
.gallery-search input:focus {
    border-color: var(--green-600);
}

/* ========== GALLERY GRID & CARDS ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.media-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}
.media-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-300);
}

.media-thumb-wrap {
    position: relative;
    height: 235px;
    overflow: hidden;
    background: var(--gray-900);
}
.media-thumb-wrap img,
.media-thumb-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}
.media-card:hover .media-thumb-wrap img,
.media-card:hover .media-thumb-wrap video {
    transform: scale(1.07);
}

.media-type-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 12px;
    border-radius: var(--radius-xl);
    font-size: 11.5px;
    font-weight: 700;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}
.media-type-badge.image { background: rgba(41, 128, 185, 0.9); }
.media-type-badge.video { background: rgba(231, 76, 60, 0.92); }

.media-cat-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 11px;
    font-weight: 700;
    background: rgba(13, 59, 30, 0.85);
    color: var(--white);
    z-index: 2;
}

/* Play overlay for videos & zoom overlay for images */
.media-hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13, 59, 30, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.media-card:hover .media-hover-overlay {
    opacity: 1;
}

.media-play-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--green-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: var(--transition);
}
.media-card.is-video .media-hover-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.25);
}
.media-card.is-video .media-play-circle {
    background: #e74c3c;
    color: var(--white);
}
.media-card:hover .media-play-circle {
    transform: scale(1.08);
}

.media-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--white);
    padding: 3px 9px;
    border-radius: 4px;
    font-size: 11.5px;
    font-weight: 600;
}

.media-card-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.media-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.media-card-body h3 {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--green-900);
    line-height: 1.45;
    margin-bottom: 8px;
}
.media-card:hover .media-card-body h3 {
    color: var(--green-600);
}

.media-card-body p {
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Empty State */
.gallery-empty {
    text-align: center;
    padding: 60px 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px dashed var(--gray-300);
}
.gallery-empty i {
    font-size: 44px;
    color: var(--gray-300);
    margin-bottom: 12px;
}

/* ==========================================
   UPLOAD MEDIA MODAL
   ========================================== */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.gallery-modal.open {
    opacity: 1;
    visibility: visible;
}

.gallery-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 59, 30, 0.72);
    backdrop-filter: blur(4px);
}

.gallery-modal-dialog {
    position: relative;
    z-index: 2;
    background: var(--white);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.gallery-modal-header {
    padding: 20px 28px;
    background: var(--green-900);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.modal-header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}
.modal-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--green-300);
}
.modal-header-title h3 { font-size: 18px; }
.modal-header-title p { font-size: 12.5px; color: var(--green-200); }

.gallery-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    cursor: pointer;
    font-size: 15px;
}
.gallery-modal-close:hover { background: #e74c3c; }

.gallery-modal-body {
    padding: 26px 28px;
    overflow-y: auto;
}

.media-type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
}

.type-radio {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--gray-200);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}
.type-radio input { display: none; }
.type-radio.active {
    border-color: var(--green-600);
    background: var(--green-50);
    color: var(--green-800);
}

/* Dropzone */
.dropzone {
    border: 2px dashed var(--green-400);
    background: var(--green-50);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 18px;
}
.dropzone.dragover {
    background: var(--green-100);
    border-color: var(--green-700);
}
.dropzone-icon {
    font-size: 40px;
    color: var(--green-600);
    margin-bottom: 8px;
}
.dropzone-prompt h4 {
    font-size: 15px;
    color: var(--gray-800);
    margin-bottom: 4px;
}
.dropzone-prompt h4 span {
    color: var(--green-700);
    text-decoration: underline;
}
.dropzone-prompt p {
    font-size: 12.5px;
    color: var(--gray-500);
}

.dropzone-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
}
.preview-item {
    position: relative;
    height: 110px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
    background: #000;
}
.preview-item img,
.preview-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.preview-badge {
    position: absolute;
    bottom: 6px;
    left: 6px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 4px;
}

.upload-media-form .form-group {
    margin-bottom: 16px;
}
.upload-media-form label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.upload-media-form input[type="text"],
.upload-media-form input[type="url"],
.upload-media-form select,
.upload-media-form textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
}
.upload-media-form input:focus,
.upload-media-form select:focus,
.upload-media-form textarea:focus {
    border-color: var(--green-600);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 16px;
}

.upload-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 10px;
}

/* ==========================================
   LIGHTBOX MODAL (IMAGE & VIDEO PLAYER)
   ========================================== */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.lightbox-modal.open {
    opacity: 1;
    visibility: visible;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    z-index: 5;
}
.lightbox-close:hover { background: #e74c3c; }

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    z-index: 5;
    transition: var(--transition);
}
.lightbox-nav:hover { background: var(--green-600); }
.lightbox-nav.prev { left: 24px; }
.lightbox-nav.next { right: 24px; }

.lightbox-dialog {
    position: relative;
    z-index: 3;
    max-width: 960px;
    width: 100%;
    background: #111;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.lightbox-stage {
    width: 100%;
    max-height: 68vh;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}
.lightbox-stage img,
.lightbox-stage video {
    max-width: 100%;
    max-height: 68vh;
    object-fit: contain;
}

.lightbox-caption {
    padding: 20px 26px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.lightbox-badges {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
    font-size: 12px;
}
.lb-type-badge {
    background: var(--green-600);
    color: var(--white);
    padding: 3px 10px;
    border-radius: var(--radius-xl);
    font-weight: 700;
}
.lb-cat-badge {
    background: var(--green-50);
    color: var(--green-800);
    padding: 3px 10px;
    border-radius: var(--radius-xl);
    font-weight: 700;
}
.lb-date { color: var(--gray-500); }

.lightbox-caption h3 {
    font-size: 18px;
    color: var(--green-900);
    margin-bottom: 4px;
}
.lightbox-caption p {
    font-size: 14px;
    color: var(--gray-600);
}

/* Toast */
.gallery-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(30px);
    background: var(--green-900);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 3000;
}
.gallery-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.gallery-toast i { color: var(--green-300); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .page-hero.gallery-hero { padding: 140px 0 60px; }
    .page-hero-title { font-size: 34px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .form-row-2 { grid-template-columns: 1fr; }
    .dropzone-preview { grid-template-columns: repeat(2, 1fr); }
    .lightbox-nav { display: none; }
}