body { background: var(--grey-50); }
    .page-content { padding: 32px 0 80px; }

    /* ========== GALLERY ========== */
    .gallery-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--grey-100); }
    .gallery-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 200px 200px; gap: 8px; height: 408px; }
    .gallery-grid.few { grid-template-columns: 1fr; grid-template-rows: 408px; }
    .gallery-grid.few .g-main { grid-row: 1; }
    .gallery-grid.few .g-cell:not(.g-main) { display: none; }
    .gallery-grid .g-cell { position: relative; overflow: hidden; cursor: pointer; background: var(--grey-200); }
    .gallery-grid .g-cell img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s, opacity .2s; display: block; }
    .gallery-grid .g-cell:hover img { transform: scale(1.04); opacity: .92; }
    .gallery-grid .g-main { grid-row: 1 / 3; }
    .gallery-grid .g-more-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.58); display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; font-family: var(--font-display); font-weight: 800; cursor: pointer; transition: background .15s; }
    .gallery-grid .g-more-overlay:hover { background: rgba(0,0,0,.7); }
    .gallery-grid .g-more-overlay i { font-size: 1.6rem; margin-bottom: 6px; }
    .gallery-btn-all { position: absolute; right: 14px; bottom: 14px; background: rgba(255,255,255,.95); color: var(--grey-900); border: none; padding: 9px 16px; border-radius: 8px; font-family: var(--font-display); font-weight: 700; font-size: .85rem; cursor: pointer; box-shadow: 0 4px 14px rgba(0,0,0,.18); display: inline-flex; align-items: center; gap: 6px; transition: all .15s; }
    .gallery-btn-all:hover { background: white; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,.25); }
    .gallery-empty { height: 280px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--grey-400); }
    .gallery-empty i { font-size: 3rem; margin-bottom: 12px; opacity: .5; }

    /* Mobile carousel */
    .gallery-mobile { display: none; position: relative; }
    .gallery-mobile-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; gap: 4px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .gallery-mobile-track::-webkit-scrollbar { display: none; }
    .gallery-mobile-slide { flex: 0 0 100%; scroll-snap-align: start; height: 260px; background-size: cover; background-position: center; background-color: var(--grey-200); }
    .gallery-mobile-dots { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; }
    .gallery-mobile-dots .dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.55); transition: all .2s; }
    .gallery-mobile-dots .dot.active { background: white; width: 22px; border-radius: 4px; }
    .gallery-mobile-counter { position: absolute; top: 12px; right: 12px; background: rgba(0,0,0,.6); color: white; padding: 4px 12px; border-radius: 999px; font-size: .78rem; font-weight: 700; }

    @media(max-width:767px){
        .gallery-grid { display: none; }
        .gallery-mobile { display: block; }
        .gallery-btn-all { right: 10px; bottom: 36px; padding: 6px 12px; font-size: .78rem; }
    }

    /* ========== LIGHTBOX ========== */
    .lb-overlay { position: fixed; inset: 0; background: rgba(15,15,15,.96); z-index: 9999; display: none; flex-direction: column; opacity: 0; transition: opacity .25s; }
    .lb-overlay.open { display: flex; opacity: 1; }
    .lb-header { padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; color: white; flex-shrink: 0; }
    .lb-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 10px; }
    .lb-counter { background: rgba(255,255,255,.12); padding: 4px 12px; border-radius: 999px; font-size: .82rem; font-weight: 700; }
    .lb-close { background: rgba(255,255,255,.12); color: white; border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; transition: background .15s; }
    .lb-close:hover { background: rgba(255,255,255,.25); }
    .lb-tabs { padding: 0 20px 12px; display: flex; gap: 6px; flex-wrap: wrap; flex-shrink: 0; }
    .lb-tab { background: rgba(255,255,255,.08); color: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.12); padding: 6px 14px; border-radius: 999px; font-size: .8rem; font-weight: 600; cursor: pointer; transition: all .15s; white-space: nowrap; }
    .lb-tab:hover { background: rgba(255,255,255,.16); color: white; }
    .lb-tab.active { background: var(--green-primary); color: white; border-color: var(--green-primary); }
    .lb-stage { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; padding: 8px 64px; overflow: hidden; min-height: 0; }
    .lb-img-wrap { max-width: 100%; max-height: 100%; position: relative; user-select: none; touch-action: pan-y pinch-zoom; }
    .lb-img { max-width: 100%; max-height: calc(100vh - 280px); object-fit: contain; border-radius: 6px; box-shadow: 0 12px 48px rgba(0,0,0,.5); transition: transform .25s ease-out; will-change: transform; cursor: zoom-in; }
    .lb-img.zoomed { cursor: zoom-out; transition: none; }
    .lb-img-meta { position: absolute; bottom: -32px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: .82rem; white-space: nowrap; }
    .lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,.6); color: white; border: 1px solid rgba(255,255,255,.18); width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; transition: all .15s; }
    .lb-nav:hover { background: rgba(0,0,0,.85); transform: translateY(-50%) scale(1.06); }
    .lb-nav.prev { left: 14px; }
    .lb-nav.next { right: 14px; }
    .lb-nav:disabled { opacity: .3; cursor: not-allowed; }
    .lb-thumbs { padding: 14px 20px 18px; flex-shrink: 0; overflow-x: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.3) transparent; }
    .lb-thumbs::-webkit-scrollbar { height: 6px; }
    .lb-thumbs::-webkit-scrollbar-thumb { background: rgba(255,255,255,.25); border-radius: 3px; }
    .lb-thumbs-track { display: flex; gap: 6px; padding-bottom: 4px; min-width: min-content; }
    .lb-thumb { width: 64px; height: 64px; flex-shrink: 0; border-radius: 6px; background-size: cover; background-position: center; cursor: pointer; border: 2px solid transparent; opacity: .55; transition: all .15s; }
    .lb-thumb:hover { opacity: 1; }
    .lb-thumb.active { opacity: 1; border-color: var(--green-primary); transform: scale(1.05); }

    @media(max-width:767px){
        .lb-stage { padding: 4px 12px; }
        .lb-nav { width: 38px; height: 38px; }
        .lb-nav.prev { left: 6px; }
        .lb-nav.next { right: 6px; }
        .lb-img { max-height: calc(100vh - 240px); }
        .lb-thumb { width: 52px; height: 52px; }
        .lb-header { padding: 10px 14px; }
        .lb-tabs { padding: 0 14px 8px; }
    }
    .info-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); border: 1.5px solid var(--grey-200); margin-bottom: 20px; }
    .court-title { font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; color: var(--grey-900); line-height: 1.2; margin-bottom: 10px; }
    .court-meta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 18px; }
    .meta-item { display: flex; align-items: center; gap: 6px; font-size: .88rem; color: var(--grey-600); }
    .meta-item i { color: var(--green-primary); width: 16px; }
    .meta-item strong { color: var(--grey-800); }
    .rating-big { display: flex; align-items: center; gap: 8px; }
    .rating-num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--grey-900); }
    .rating-stars-big { color: #f59e0b; font-size: 1.1rem; }
    .rating-count { font-size: .82rem; color: var(--grey-400); }
    .info-divider { border-color: var(--grey-200); margin: 20px 0; }
    .info-section-title { font-family: var(--font-display); font-size: .95rem; font-weight: 700; color: var(--grey-800); margin-bottom: 12px; }
    .facility-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .facility-item { display: flex; align-items: center; gap: 6px; background: var(--grey-50); border: 1px solid var(--grey-200); border-radius: var(--radius-sm); padding: 6px 12px; font-size: .82rem; color: var(--grey-700); }
    .price-table { width: 100%; border-collapse: collapse; }
    .price-table thead tr { background: var(--green-primary); }
    .price-table thead th { color: var(--white); font-family: var(--font-display); font-size: .82rem; font-weight: 700; padding: 10px 16px; text-align: left; }
    .price-table tbody tr { border-bottom: 1px solid var(--grey-100); }
    .price-table tbody tr:hover { background: var(--grey-50); }
    .price-table tbody td { padding: 10px 16px; font-size: .88rem; color: var(--grey-700); }
    .price-table .price-cell { font-family: var(--font-display); font-weight: 700; color: var(--green-primary); font-size: .95rem; }
    .price-peak { background: #fef3c7; }
    .peak-badge { background: #f59e0b; color: var(--white); font-size: .68rem; font-weight: 700; padding: 1px 6px; border-radius: 999px; margin-left: 6px; }
    .calendar-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
    .calendar-nav button { background: var(--grey-100); border: none; border-radius: var(--radius-sm); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--grey-600); transition: background .18s; }
    .calendar-nav button:hover { background: var(--green-light); color: var(--green-dark); }
    .calendar-month { font-family: var(--font-display); font-size: .95rem; font-weight: 700; color: var(--grey-800); }
    .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
    .cal-day-name { text-align: center; font-size: .72rem; font-weight: 700; color: var(--grey-400); text-transform: uppercase; padding: 4px 0; }
    .cal-day { text-align: center; padding: 8px 4px; border-radius: var(--radius-sm); font-size: .85rem; color: var(--grey-700); cursor: pointer; transition: all .15s; position: relative; }
    .cal-day:hover { background: var(--green-light); color: var(--green-dark); }
    .cal-day.today { font-weight: 700; color: var(--green-primary); background: var(--green-light); }
    .cal-day.selected { background: var(--green-primary); color: var(--white); font-weight: 700; }
    .cal-day.has-slot::after { content: ''; display: block; width: 4px; height: 4px; background: var(--green-primary); border-radius: 50%; margin: 2px auto 0; }
    .cal-day.selected::after { background: var(--white); }
    .cal-day.empty { cursor: default; }
    .cal-day.past { color: var(--grey-300); cursor: not-allowed; pointer-events: none; }
    .time-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
    @media(max-width:480px){ .time-slots { grid-template-columns: repeat(3, 1fr); } }
    .time-slot { padding: 8px 4px; text-align: center; border-radius: var(--radius-sm); border: 1.5px solid var(--grey-200); font-size: .8rem; font-weight: 600; color: var(--grey-700); cursor: pointer; transition: all .15s; }
    .time-slot:hover { border-color: var(--green-primary); color: var(--green-primary); }
    .time-slot.booked { background: var(--grey-100); color: var(--grey-300); cursor: not-allowed; text-decoration: line-through; border-color: var(--grey-100); }
    .time-slot.selected { background: var(--green-primary); border-color: var(--green-primary); color: var(--white); }
    .time-slot.peak { border-color: #f59e0b; }
    .booking-sidebar { position: sticky; top: 80px; }
    .booking-card-side { background: var(--white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-lg); border: 1.5px solid var(--grey-200); }
    .booking-price { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--green-primary); }
    .booking-price span { font-size: .9rem; font-weight: 400; color: var(--grey-400); }
    .btn-cta-big { display: block; width: 100%; padding: 14px; background: var(--green-primary); color: var(--white); border: none; border-radius: var(--radius-md); font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; text-align: center; text-decoration: none; cursor: pointer; transition: background .18s, transform .15s, box-shadow .18s; }
    .btn-cta-big:hover { background: var(--green-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(22,163,74,.35); }
    .btn-call { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 11px; background: transparent; border: 2px solid var(--green-primary); color: var(--green-primary); border-radius: var(--radius-md); font-family: var(--font-display); font-size: .95rem; font-weight: 700; text-decoration: none; cursor: pointer; margin-top: 10px; transition: all .18s; }
    .btn-call:hover { background: var(--green-light); color: var(--green-dark); }
    .btn-zalo { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 11px; background: #0068ff; color: var(--white); border: none; border-radius: var(--radius-md); font-family: var(--font-display); font-size: .95rem; font-weight: 700; cursor: pointer; margin-top: 10px; transition: background .18s; text-decoration: none; }
    .btn-zalo:hover { background: #0055cc; color: var(--white); }
    .booking-info-row { display: flex; justify-content: space-between; font-size: .88rem; padding: 8px 0; border-bottom: 1px solid var(--grey-100); }
    .booking-info-row:last-child { border-bottom: none; }
    .booking-info-row .val { font-weight: 700; color: var(--grey-800); }
    .review-big { background: var(--white); border-radius: var(--radius-lg); padding: 20px; border: 1.5px solid var(--grey-200); margin-bottom: 14px; }
    .review-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 10px; }
    .review-user { display: flex; align-items: center; gap: 10px; }
    .review-avatar { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; }
    .review-name { font-weight: 600; font-size: .88rem; }
    .review-date { font-size: .75rem; color: var(--grey-400); }
    .review-stars-sm { color: #f59e0b; font-size: .8rem; }
    .review-body { font-size: .88rem; color: var(--grey-700); line-height: 1.6; }
    .map-embed-small { height: 260px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
    .map-embed-small iframe { width: 100%; height: 100%; border: none; }