/* ---- Shared header/footer classes ---- */
.icon-gold       { color: #F2B203; }
.flag-img        { height: 18px; object-fit: cover; cursor: pointer; }
.flag-img-drawer { height: 20px; object-fit: cover; cursor: pointer; }
.logo-img-lg     { height: 80px; object-fit: contain; }
.logo-img-sm     { height: 40px; object-fit: contain; }
.logo-img-drawer { height: 36px; object-fit: contain; }
.partner-img     { height: 20px; }
.partner-img-sm  { height: 18px; }
.partner-img-bg  { background: #fff; padding: 2px 4px; border-radius: 4px; }
.header-main-inner { display: flex; justify-content: space-between; align-items: center; }
.mobile-logo     { display: none; }
.main-nav.header-nav-row { flex: 1; border-top: none; padding: 15px 0; }
.mobile-drawer-extra { display: none; }
.drawer-divider  { margin: 24px 20px 12px; border-top: 1px solid rgba(0,0,0,0.1); }
.drawer-flags    { display: flex; gap: 12px; padding: 0 20px; margin-bottom: 16px; }
.drawer-partners {
    display: flex; flex-wrap: wrap; gap: 10px;
    padding: 12px 20px; background: #f8fafc;
    margin: 0 10px; border-radius: 8px; align-items: center;
}
.fb-page-container { background: white; border-radius: 4px; overflow: hidden; margin-bottom: 15px; }
.fb-iframe { border: none; overflow: hidden; max-width: 340px; }
.partner-footer    { height: 25px; border-radius: 4px; }
.partner-footer-bg { background: white; padding: 3px 6px; border-radius: 4px; box-sizing: border-box; height: 25px; }
.partner-footer-lg { height: 35px; border-radius: 4px; }

/* Styles specific to chi-tiet-phong.html */

/* =============================================
           ROOM DETAIL PAGE — VANILLA CSS
        ============================================= */
        .page-room-detail {
            background: #f8fafc;
            padding-bottom: 80px;
        }

        /* --- Gallery --- */
        .rd-gallery {
            padding-top: 24px;
            padding-bottom: 30px;
            background: #fff;
        }
        .rd-main-swiper {
            height: 560px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.14);
            margin-bottom: 14px;
            position: relative;
        }
        .rd-main-swiper .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .rd-thumb-swiper {
            height: 120px;
        }
        .rd-thumb-swiper .swiper-slide {
            border-radius: 10px;
            overflow: hidden;
            opacity: 0.5;
            cursor: pointer;
            border: 2px solid transparent;
            transition: opacity .3s, border-color .3s;
        }
        .rd-thumb-swiper .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .rd-thumb-swiper .swiper-slide-thumb-active {
            opacity: 1;
            border-color: #d4af37;
        }
        /* Gallery nav buttons */
        .rd-gallery-prev, .rd-gallery-next {
            background: rgba(0,0,0,0.4) !important;
            border-radius: 50% !important;
            width: 48px !important;
            height: 48px !important;
        }
        .rd-gallery-prev::after, .rd-gallery-next::after {
            font-size: 18px !important;
            color: #fff !important;
        }

        /* --- Room Name Bar --- */
        .rd-name-bar {
            background: #fff;
            padding: 24px 0 0;
            border-bottom: 1px solid #e8e8e8;
        }
        .rd-name-bar h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #0a192f;
            margin: 0 0 8px;
        }
        .rd-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #94a3b8;
            margin-bottom: 20px;
        }
        .rd-breadcrumb a { color: #94a3b8; text-decoration: none; }
        .rd-breadcrumb span { color: #d4af37; }

        /* --- Main Content Layout --- */
        .rd-content {
            padding: 40px 0;
        }
        .rd-layout {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 32px;
            align-items: start;
        }

        /* --- Left Column: Amenities --- */
        .rd-amenities-col {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            border: 1px solid #f1f5f9;
        }
        .rd-amenities-col h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0a192f;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding-bottom: 14px;
            border-bottom: 2px solid #f1f5f9;
            margin-bottom: 20px;
        }
        .rd-amenities-col h3:not(:first-child) {
            margin-top: 30px;
        }
        .rd-amenity-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 13px;
        }
        .rd-amenity-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.93rem;
            color: #475569;
        }
        .rd-amenity-list li i {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: #94a3b8;
        }
        .rd-amenity-list li.highlight {
            color: #16a34a;
            font-weight: 600;
        }
        .rd-amenity-list li.highlight i { color: #16a34a; }

        /* --- Right Column --- */
        .rd-info-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* Capacity Badge Row */
        .rd-capacity {
            background: #fff;
            border-radius: 14px;
            padding: 20px 28px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            display: flex;
            align-items: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .rd-capacity-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: #475569;
            font-weight: 500;
        }
        .rd-capacity-item i { width: 20px; height: 20px; color: #64748b; }
        .rd-free-badge {
            margin-left: auto;
            background: #f0fdf4;
            color: #16a34a;
            border: 1px solid #bbf7d0;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* Policy Box */
        .rd-policy {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        }
        .rd-policy h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0a192f;
            margin-bottom: 24px;
            padding-bottom: 14px;
            border-bottom: 2px solid #f1f5f9;
        }
        .rd-checkin-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 28px;
            padding: 20px;
            background: #f8fafc;
            border-radius: 10px;
        }
        .rd-checkin-row .label {
            font-size: 0.78rem;
            color: #94a3b8;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .rd-checkin-row .value {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0a192f;
        }
        .rd-policy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .rd-policy-item h4 {
            font-size: 0.93rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 6px;
        }
        .rd-policy-item p,
        .rd-policy-item ul {
            font-size: 0.88rem;
            color: #64748b;
            line-height: 1.7;
            margin: 0;
        }
        .rd-policy-item ul { padding-left: 18px; }

        /* Booking Box */
        .rd-booking {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 4px 24px rgba(212,175,55,0.15);
            border: 1.5px solid #d4af37;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            position: sticky;
            top: 88px;
            z-index: 50;
        }
        .rd-booking-price .amount {
            font-size: 2rem;
            font-weight: 800;
            color: #0a192f;
            line-height: 1;
        }
        .rd-booking-price .per-night {
            font-size: 0.9rem;
            color: #94a3b8;
            font-weight: 400;
        }
        .rd-season-prices {
            display: grid;
            gap: 10px;
        }
        .rd-season-price-row {
            display: flex;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 6px 10px;
        }
        .rd-season-price-label {
            min-width: 165px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #64748b;
        }
        .rd-season-price-row .amount {
            font-size: 1.55rem;
        }
        .rd-booking-price .note {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 6px;
            font-size: 0.82rem;
            color: #94a3b8;
        }
        .rd-booking-price .note i { width: 14px; height: 14px; color: #d4af37; }
        .rd-booking-btn {
            background: #0a192f;
            color: #fff;
            border: none;
            padding: 16px 36px;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background .3s;
            white-space: nowrap;
            font-family: 'Montserrat', sans-serif;
            letter-spacing: 0.5px;
        }
        .rd-booking-btn:hover { background: #d4af37; }
        .rd-booking-btn i { width: 18px; height: 18px; }

        /* --- Similar Rooms --- */
        .rd-similar {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid #f1f5f9;
        }
        .rd-similar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
        }
        .rd-similar-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0a192f;
            border-left: 4px solid #d4af37;
            padding-left: 16px;
            margin: 0;
        }
        .rd-similar-nav {
            display: flex;
            gap: 12px;
        }
        .rd-similar-nav button {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1.5px solid #cbd5e1;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .3s;
        }
        .rd-similar-nav button:hover {
            background: #d4af37;
            border-color: #d4af37;
            color: #fff;
        }
        .rd-similar-nav button i { width: 18px; height: 18px; }

        
        /* Mobile Optimization */