/* === DESIGN SYSTEM TOKENS (Phối màu Sugary Sparks x Givral x Logo) === */
        :root {
            --burgundy-dark: #59272F;     /* Màu logo chính - Royal Bordeaux */
            --burgundy-accent: #7D1128;   /* Đỏ Cherry đậm quý phái */
            --burgundy-light: #8E343F;
            --cream-bg: #FFFBF7;          /* Nền Vani Pháp ấm cúng */
            --cream-card: #FFFFFF;        /* Trắng tinh khôi */
            --pink-blush: #FDE8EF;        /* Hồng Coquette Sugary Sparks */
            --pink-soft: #F7D6DF;
            --pink-dusty: #DBADA8;        /* Hồng tro thanh lịch từ nét vẽ logo */
            --gold-artisan: #D4AF37;      /* Vàng kim cổ điển Givral Heritage */
            --gold-light: #FBF4DD;
            --text-main: #3D2326;         /* Nâu đậm Espresso - Đạt chuẩn WCAG AA tương phản > 7:1 */
            --text-muted: #755B5E;
            --border-soft: #F0D5DA;
            --border-light: #FAECEE;
            --shadow-sm: 0 4px 12px rgba(89, 39, 47, 0.06);
            --shadow-md: 0 8px 24px rgba(89, 39, 47, 0.1);
            --shadow-lg: 0 16px 36px rgba(89, 39, 47, 0.14);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-full: 9999px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'Plus Jakarta Sans', 'Quicksand', sans-serif;
            background-color: var(--cream-bg);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(rgba(219, 173, 168, 0.12) 1px, transparent 1px),
                repeating-linear-gradient(90deg, transparent, transparent 48px, rgba(253, 232, 239, 0.3) 48px, rgba(253, 232, 239, 0.3) 96px);
            background-size: 24px 24px, 96px 96px;
        }

        /* TYPOGRAPHY */
        .font-script { font-family: 'Playball', cursive; }
        .font-serif { font-family: 'Cormorant Garamond', Georgia, serif; }

        a { text-decoration: none; color: inherit; }
        button, input, select, textarea { font-family: inherit; }

        /* === 1. TICKER RIBBON (SUGARY SPARKS STYLE) === */
        .ticker-ribbon {
            background: linear-gradient(90deg, var(--burgundy-dark), var(--burgundy-accent), var(--burgundy-dark));
            color: #FFFDF9;
            padding: 7px 0;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            overflow: hidden;
            white-space: nowrap;
            display: flex;
            position: relative;
            z-index: 1001;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .ticker-content {
            display: inline-flex;
            gap: 3rem;
            animation: marquee 30s linear infinite;
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* === 2. NAVIGATION BAR === */
        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 251, 247, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1.5px solid var(--border-soft);
            transition: var(--transition);
        }

        .nav-container {
            max-width: 1460px;
            margin: 0 auto;
            padding: 6px 28px;
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            flex: 0 0 auto;
            margin-right: 20px;
        }

        .brand-logo img {
            width: 58px;
            height: 58px;
            border-radius: 13px;
            object-fit: contain;
            background: var(--burgundy-dark);
            border: none;
            box-shadow: 0 8px 22px rgba(89, 39, 47, 0.24);
            transition: var(--transition);
        }

        .brand-logo:hover img {
            transform: scale(1.05) rotate(4deg);
        }

        .brand-name {
            display: flex;
            flex-direction: column;
        }

        .brand-name h1 {
            font-family: 'Playball', cursive;
            font-size: 1.75rem;
            color: var(--burgundy-dark);
            line-height: 1.1;
            letter-spacing: 0.5px;
        }

        .brand-name span {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 2.5px;
            color: var(--gold-artisan);
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex: 1 1 auto;
            justify-content: flex-end;
        }

        .nav-links li {
            display: flex;
            align-items: center;
            flex: 0 0 auto;
        }

        .nav-links li + li::before {
            content: '';
            width: 1px;
            height: 34px;
            background: var(--border-soft);
            margin: 0 7px;
        }

        .nav-link-btn {
            width: max-content;
            min-width: 0;
            min-height: 46px;
            padding: 6px 15px;
            border-radius: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            gap: 6px;
            white-space: nowrap;
        }

        .nav-link-btn span { white-space: nowrap; }

        .nav-link-btn svg {
            width: 23px;
            height: 23px;
            stroke-width: 1.75;
        }

        .nav-whisk-icon { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; }

        .nav-action-wide {
            width: 124px !important;
            min-width: 124px;
            height: 44px;
            padding: 0 14px;
            border-radius: 18px !important;
            gap: 7px;
            font-weight: 750;
            white-space: nowrap;
        }

        .language-switcher {
            display: block;
        }

        .lang-btn {
            width: 58px;
            height: 38px;
            border: 1.5px solid var(--border-soft);
            background: #fff;
            border-radius: 14px;
            padding: 6px;
            cursor: pointer;
            font-size: 0.8rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transition: var(--transition);
        }

        #language-toggle-flag {
            width: 22px;
            height: 16px;
            display: grid;
            place-items: center;
            line-height: 0;
            flex: 0 0 22px;
        }

        #language-toggle-label {
            display: block;
            min-width: 18px;
            line-height: 1;
            text-align: center;
        }

        .lang-flag { display: block; width: 20px; height: 14px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }

        .lang-btn:hover { background: var(--pink-blush); border-color: var(--pink-medium); transform: translateY(-2px); }

        .nav-link-btn:hover {
            background-color: var(--pink-blush);
            color: var(--burgundy-accent);
        }

        .nav-link-btn.active {
            background: var(--burgundy-dark);
            color: #FFFDF9;
            box-shadow: 0 4px 14px rgba(89, 39, 47, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .btn-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1.5px solid var(--border-soft);
            background: var(--cream-card);
            color: var(--burgundy-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .btn-icon:hover {
            border-color: var(--burgundy-dark);
            background: var(--pink-blush);
            transform: translateY(-2px);
        }

        .cart-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            background: var(--burgundy-accent);
            color: #FFF;
            font-size: 0.72rem;
            font-weight: 700;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #FFF;
        }

        .btn-cta-nav {
            background: linear-gradient(135deg, var(--burgundy-dark), var(--burgundy-accent));
            color: #FFF;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(125, 17, 40, 0.25);
            transition: var(--transition);
        }

        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(125, 17, 40, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--burgundy-dark);
        }

        /* === 3. TAB CONTENT STRUCTURE === */
        .tab-view {
            display: none;
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.35s ease, transform 0.35s ease;
            min-height: calc(100vh - 180px);
        }

        .tab-view.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 40px 24px 80px;
        }

        /* === 4. HERO SECTION (TRANG CHỦ) === */
        .hero-section {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
            padding: 40px 0 60px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--pink-blush);
            border: 1px solid var(--pink-dusty);
            color: var(--burgundy-dark);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .hero-title {
            font-family: 'Playball', cursive;
            font-size: 4rem;
            color: var(--burgundy-dark);
            line-height: 1.15;
            margin-bottom: 18px;
            text-shadow: 2px 2px 0px rgba(219, 173, 168, 0.3);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--burgundy-dark), var(--burgundy-accent));
            color: #FFF;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 25px rgba(89, 39, 47, 0.25);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(89, 39, 47, 0.35);
        }

        .btn-secondary {
            background: var(--cream-card);
            color: var(--burgundy-dark);
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 700;
            border: 1.5px solid var(--pink-dusty);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: var(--pink-blush);
            border-color: var(--burgundy-dark);
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 14px;
        }

        .hero-cake-card {
            background: var(--cream-card);
            border: 2px solid var(--pink-dusty);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 440px;
            text-align: center;
            transition: var(--transition);
        }

        .hero-cake-card:hover {
            transform: translateY(-6px);
        }

        .hero-cake-img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-md);
            border: 3px solid var(--pink-blush);
        }

        .floating-pill {
            position: static;
            background: var(--cream-card);
            border: 1px solid var(--pink-dusty);
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--burgundy-dark);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 3;
            animation: none;
        }

        .pill-1, .pill-2 { align-self: center; }

        @keyframes floatPill {
            0% { transform: translateY(0); }
            100% { transform: translateY(-10px); }
        }

        /* FEATURE HIGHLIGHTS (GIVRAL VALUES) */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            margin: 60px 0;
        }

        .feature-card {
            background: var(--cream-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--pink-dusty);
            box-shadow: var(--shadow-md);
        }

        .feature-icon-box {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--pink-blush);
            color: var(--burgundy-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            border: 1.5px solid var(--pink-dusty);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            color: var(--burgundy-dark);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* SECTION HEADER */
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header span {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--gold-artisan);
            display: block;
            margin-bottom: 6px;
        }

        .section-header h2 {
            font-family: 'Playball', cursive;
            font-size: 3rem;
            color: var(--burgundy-dark);
            font-weight: normal;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 8px auto 0;
        }

        /* === 5. PHÂN HỆ TỰ THIẾT KẾ (2.5D ISOMETRIC ATELIER) === */
        .customizer-layout {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 36px;
            align-items: start;
        }

        /* 2.5D VIEW CANVAS PANE */
        .canvas-pane {
            background: var(--cream-card);
            border: 2px solid var(--pink-dusty);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 90px;
            text-align: center;
        }

        .canvas-header {
            margin-bottom: 20px;
        }

        .canvas-header h3 {
            font-family: 'Playball', cursive;
            font-size: 2.2rem;
            color: var(--burgundy-dark);
        }

        .canvas-hint {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 4px;
        }

        .design-surface { position: absolute; }
        .design-surface.is-active { outline: 2px solid rgba(125, 17, 40, .2); outline-offset: 3px; }
        .cake-body-round.design-surface,
        .cake-body-rect.design-surface,
        .cake-body-heart.design-surface { overflow: hidden; }

        .studio-view-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: -4px;
            padding: 10px;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            background: rgba(255,255,255,.82);
        }

        .surface-switch,
        .orbit-controls { display: flex; align-items: center; gap: 6px; }

        .surface-btn,
        .orbit-btn {
            min-height: 36px;
            padding: 7px 11px;
            border: 1px solid var(--border-soft);
            border-radius: 11px;
            background: #fff;
            color: var(--burgundy-dark);
            font-weight: 750;
            cursor: pointer;
            transition: var(--transition);
        }

        .orbit-btn { width: 36px; padding: 0; display: grid; place-items: center; }
        .surface-btn.active,
        .orbit-btn.active { background: var(--burgundy-dark); color: #fff; border-color: var(--burgundy-dark); }
        .surface-btn:hover,
        .orbit-btn:hover { transform: translateY(-2px); border-color: var(--pink-medium); }

        .surface-choice-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin: 10px 0 14px;
        }

        .surface-choice-row .surface-btn { width: 100%; }

        /* KHUNG ẢNH CÁ NHÂN / PHOTOCAKE TOPPER TRÊN MẶT BÁNH */
        .photo-topper {
            position: absolute;
            z-index: 10;
            background-size: cover;
            background-position: center;
            border: 3px solid #FFFFFF;
            box-shadow: 0 4px 12px rgba(0,0,0,0.25);
            display: none;
            pointer-events: none;
            transition: var(--transition);
        }

        .photo-topper.on-front { width: 88px; height: 58px; top: 20px; left: 50%; transform: translateX(-50%); }
        [data-surface="top"] .photo-topper {
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(var(--surface-rotation, 0deg));
            transform-origin: center;
        }
        [data-surface="top"] .piped-text-layer {
            top: 50%;
            bottom: auto;
            left: 50%;
            width: 68%;
            transform: translate(-50%, -50%) rotate(var(--surface-rotation, 0deg));
            transform-origin: center;
        }
        [data-surface="top"] .placed-topping {
            transform: translate(-50%, -50%) rotate(var(--surface-rotation, 0deg));
        }
        [data-surface="top"] .placed-topping:hover {
            transform: translate(-50%, -50%) rotate(var(--surface-rotation, 0deg)) scale(1.25);
        }

        .frame-circle {
            width: 105px;
            height: 75px;
            border-radius: 50%;
        }

        .frame-rect {
            width: 115px;
            height: 70px;
            border-radius: 8px;
        }

        .frame-heart {
            width: 100px;
            height: 80px;
            clip-path: path("M50,15 C50,-5 0,-5 0,35 C0,65 50,95 50,95 C50,95 100,65 100,35 C100,-5 50,-5 50,15 Z");
            border: none;
        }

        .frame-vintage-gold {
            width: 110px;
            height: 75px;
            border-radius: 12px;
            border: 3px solid var(--gold-artisan);
            outline: 2px dashed #FFF;
        }

        /* LỜI CHÚC VIẾT KEM TRÊN MẶT BÁNH */
        .piped-text-layer {
            position: absolute;
            bottom: 12px;
            width: 85%;
            text-align: center;
            font-family: 'Playball', cursive;
            font-size: 1.15rem;
            color: var(--burgundy-accent);
            text-shadow: 1px 1px 0px rgba(255,255,255,0.8);
            z-index: 12;
            pointer-events: none;
            word-wrap: break-word;
            line-height: 1.2;
        }

        .piped-text-layer.on-front {
            bottom: 15px;
            left: 7.5%;
            font-size: 1rem;
            color: #fff;
            text-shadow: 0 1px 3px rgba(59,21,27,.55);
        }

        /* KEM TRANG TRÍ / TRÁI CÂY ĐẶT TRÊN BÁNH */
        .placed-topping {
            position: absolute;
            font-size: 26px;
            transform: translate(-50%, -50%);
            z-index: 15;
            pointer-events: auto;
            cursor: pointer;
            animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            transition: transform 0.15s;
        }

        .placed-topping.piping-decoration {
            width: 34px;
            height: 34px;
            font-size: 0;
            filter: drop-shadow(0 2px 2px rgba(88,45,50,.18));
        }

        .placed-topping.piping-decoration svg { width: 100%; height: 100%; display: block; }
        .placed-topping.fruit-decoration { font-size: 28px; filter: drop-shadow(0 3px 2px rgba(55,29,29,.2)); }

        .placed-topping:hover {
            transform: translate(-50%, -50%) scale(1.3);
        }

        @keyframes popIn {
            0% { transform: translate(-50%, -50%) scale(0); }
            100% { transform: translate(-50%, -50%) scale(1); }
        }

        @media (prefers-reduced-motion: reduce) {
            .cake-3d-wrapper,
            .placed-topping,
            .surface-btn,
            .orbit-btn { animation: none !important; transition-duration: 0.01ms !important; }
        }

        /* TỔNG KẾT GIÁ THỜI GIAN THỰC */
        .live-price-box {
            background: var(--pink-blush);
            border: 1.5px solid var(--pink-dusty);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            margin-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .live-price-box span {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .live-price-amount {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--burgundy-dark);
        }

        /* BẢNG ĐIỀU KHIỂN CUSTOM (CONTROLS PANE) */
        .controls-pane {
            background: var(--cream-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }

        .step-accordion {
            margin-bottom: 22px;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--cream-bg);
        }

        .step-header {
            padding: 14px 20px;
            background: #FFF;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--burgundy-dark);
            border-bottom: 1px solid var(--border-soft);
        }

        .step-header span.badge {
            background: var(--pink-blush);
            color: var(--burgundy-dark);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
        }

        .step-body {
            padding: 18px 20px;
        }

        /* GRID TÙY CHỌN DẠNG CARD */
        .option-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 10px;
        }

        .opt-card {
            background: #FFF;
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 12px 10px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .opt-card:hover {
            border-color: var(--pink-dusty);
            transform: translateY(-2px);
        }

        .opt-card.active {
            border-color: var(--burgundy-dark);
            background: var(--pink-blush);
            box-shadow: 0 2px 8px rgba(89, 39, 47, 0.15);
        }

        .opt-card h4 {
            font-size: 0.92rem;
            color: var(--burgundy-dark);
            margin-bottom: 4px;
        }

        .opt-card span {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* SWATCH MÀU KEM */
        .color-swatches {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .color-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 3px solid #FFF;
            cursor: pointer;
            box-shadow: 0 2px 6px rgba(0,0,0,0.15);
            transition: var(--transition);
            position: relative;
        }

        .color-btn:hover {
            transform: scale(1.15);
        }

        .color-btn.active {
            border-color: var(--burgundy-dark);
            transform: scale(1.15);
            box-shadow: 0 4px 10px rgba(89, 39, 47, 0.3);
        }

        /* FILE UPLOAD & KHUNG ẢNH */
        .upload-dropzone {
            border: 2px dashed var(--pink-dusty);
            background: #FFF;
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            margin-bottom: 14px;
        }

        .upload-dropzone:hover {
            border-color: var(--burgundy-dark);
            background: var(--pink-blush);
        }

        .upload-dropzone input {
            display: none;
        }

        /* TOPPING SELECTION */
        .topping-picker {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .decoration-group {
            padding: 12px;
            margin-bottom: 12px;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            background: rgba(255,255,255,.68);
        }

        .decoration-group-title {
            display: flex;
            align-items: center;
            gap: 7px;
            margin-bottom: 10px;
            color: var(--burgundy-dark);
            font-size: .88rem;
            font-weight: 800;
        }

        .topping-stamp-btn {
            width: 48px;
            height: 48px;
            background: #FFF;
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-sm);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .topping-stamp-btn:hover, .topping-stamp-btn.active {
            background: var(--pink-blush);
            border-color: var(--burgundy-dark);
            transform: scale(1.1);
        }

        .topping-stamp-btn svg { width: 34px; height: 34px; display: block; }
        .topping-stamp-btn[data-kind="fruit"] { font-size: 25px; }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-main);
            background: #FFF;
            outline: none;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--burgundy-dark);
            box-shadow: 0 0 0 3px rgba(89, 39, 47, 0.1);
        }

        /* === 6. PHÂN HỆ MENU CÓ SẴN (CATALOG) === */
        .menu-filter-bar {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 10px 24px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 700;
            border: 1.5px solid var(--border-soft);
            background: var(--cream-card);
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-btn:hover {
            border-color: var(--pink-dusty);
            background: var(--pink-blush);
        }

        .filter-btn.active {
            background: var(--burgundy-dark);
            color: #FFF;
            border-color: var(--burgundy-dark);
            box-shadow: 0 4px 12px rgba(89, 39, 47, 0.2);
        }

        .menu-items-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 30px;
        }

        .menu-card {
            background: var(--cream-card);
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .menu-card:hover {
            transform: translateY(-8px);
            border-color: var(--pink-dusty);
            box-shadow: var(--shadow-lg);
        }

        .menu-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--burgundy-accent);
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            z-index: 2;
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        }

        .menu-card-img-wrapper {
            position: relative;
            height: 250px;
            overflow: hidden;
            background: var(--pink-blush);
        }

        .menu-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .menu-card:hover .menu-card-img {
            transform: scale(1.06);
        }

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

        .menu-card-title {
            font-family: 'Playball', cursive;
            font-size: 1.8rem;
            color: var(--burgundy-dark);
            margin-bottom: 6px;
        }

        .menu-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }

        .menu-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-soft);
            padding-top: 14px;
            margin-top: auto;
        }

        .menu-card-price {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--burgundy-dark);
        }

        .btn-add-cart {
            background: var(--pink-blush);
            color: var(--burgundy-dark);
            border: 1.5px solid var(--pink-dusty);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .btn-add-cart:hover {
            background: var(--burgundy-dark);
            color: #FFF;
            border-color: var(--burgundy-dark);
        }

        /* === 7. PHÂN HỆ VỀ CHÚNG TÔI (ABOUT US - GIVRAL HERITAGE VIBES) === */
        .about-hero {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 60px;
        }

        .about-content h2 {
            font-family: 'Playball', cursive;
            font-size: 3.2rem;
            color: var(--burgundy-dark);
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .about-content p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            text-align: justify;
        }

        .about-image-stack {
            position: relative;
            text-align: center;
        }

        .about-main-img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 6px solid #FFF;
            box-shadow: var(--shadow-lg);
        }

        .about-stamp {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: var(--gold-artisan);
            color: #FFF;
            padding: 16px 24px;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: var(--shadow-md);
            border: 2px solid #FFF;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* === 8. PHÂN HỆ BLOG & CẨM NANG === */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 30px;
        }

        .blog-card {
            background: var(--cream-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .blog-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--pink-dusty);
        }

        .blog-img {
            width: 100%;
            height: 210px;
            object-fit: cover;
        }

        .blog-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .blog-tag {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--gold-artisan);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .blog-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--burgundy-dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .blog-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .blog-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-soft);
            padding-top: 12px;
            margin-top: auto;
        }

        /* === 9. PHÂN HỆ GIỎ HÀNG & CHECKOUT === */
        .checkout-layout {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 36px;
            align-items: start;
        }

        .checkout-box {
            background: var(--cream-card);
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .checkout-box h3 {
            font-family: 'Playball', cursive;
            font-size: 2.2rem;
            color: var(--burgundy-dark);
            margin-bottom: 20px;
            border-bottom: 1.5px dashed var(--pink-dusty);
            padding-bottom: 12px;
        }

        .cart-item-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .cart-item-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            border: 1px solid var(--pink-dusty);
            background: var(--pink-blush);
        }

        .cart-item-info {
            flex: 1;
        }

        .cart-item-title {
            font-weight: 700;
            color: var(--burgundy-dark);
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .cart-item-sub {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .cart-item-price {
            font-weight: 800;
            color: var(--burgundy-dark);
            font-size: 1.05rem;
        }

        .qty-control {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 6px;
        }

        .qty-btn {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--border-soft);
            background: #FFF;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qty-btn:hover {
            background: var(--pink-blush);
        }

        .bill-calc-row {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .bill-total-row {
            display: flex;
            justify-content: space-between;
            padding: 16px 0 0;
            border-top: 2px solid var(--burgundy-dark);
            margin-top: 14px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--burgundy-dark);
        }

        /* VIETQR PAYMENT PREVIEW */
        .qr-payment-box {
            background: #FFF;
            border: 2px solid var(--burgundy-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .qr-code-img {
            width: 220px;
            height: 220px;
            margin: 10px auto;
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            padding: 8px;
            background: #FFF;
        }

        /* === 10. CHATBOT AI (THỎ TRẮNG BẾP TRƯỞNG) === */
        .chatbot-fab {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 66px;
            height: 66px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--burgundy-dark), var(--burgundy-accent));
            border: 2.5px solid var(--gold-artisan);
            box-shadow: 0 10px 30px rgba(89, 39, 47, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 999;
            transition: var(--transition);
            animation: gentlePulse 3s infinite ease-in-out;
        }

        .chatbot-fab:hover {
            transform: scale(1.1) rotate(5deg);
        }

        .chat-mascot {
            width: 54px;
            height: 54px;
            display: block;
            object-fit: contain;
            filter: drop-shadow(0 3px 5px rgba(44, 13, 21, 0.22));
        }

        .chatbot-fab .chat-mascot {
            width: 60px;
            height: 60px;
        }

        .chatbot-fab::after {
            content: 'Bunni có thể giúp gì cho bạn?';
            position: absolute;
            right: 76px;
            bottom: 10px;
            width: max-content;
            max-width: 220px;
            padding: 10px 14px;
            border-radius: var(--radius-full);
            background: var(--burgundy-dark);
            color: #fff;
            font-size: 0.84rem;
            font-weight: 700;
            opacity: 0;
            visibility: hidden;
            transform: translateX(8px);
            transition: var(--transition);
            pointer-events: none;
        }

        .chatbot-fab:hover::after { opacity: 1; visibility: visible; transform: translateX(0); }

        @keyframes gentlePulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .chat-drawer {
            position: fixed;
            bottom: 110px;
            right: 30px;
            width: 380px;
            max-width: calc(100vw - 40px);
            height: 540px;
            max-height: calc(100vh - 140px);
            background: var(--cream-card);
            border: 2px solid var(--burgundy-dark);
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 50px rgba(89, 39, 47, 0.25);
            display: none;
            flex-direction: column;
            z-index: 1000;
            overflow: hidden;
            animation: chatSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .chat-drawer.active {
            display: flex;
        }

        @keyframes chatSlideUp {
            from { opacity: 0; transform: translateY(20px) scale(0.95); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .chat-header {
            background: linear-gradient(135deg, #FFF9F6, var(--pink-blush));
            color: var(--burgundy-dark);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--pink-dusty);
        }

        .chat-header-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .chat-header-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: var(--burgundy-dark);
            border: 2px solid var(--gold-artisan);
            flex-shrink: 0;
        }

        .chat-header-avatar .chat-mascot { width: 43px; height: 43px; }

        .about-home-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 18px;
        }

        #home-about-brand {
            scroll-margin-top: 130px;
        }

        .about-home-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .about-home-card > i, .about-home-card > svg { color: var(--burgundy-accent); margin-bottom: 12px; }
        .about-home-card h3 { color: var(--burgundy-dark); margin-bottom: 8px; }
        .about-home-card p { color: var(--text-muted); font-size: 0.9rem; }

        .chat-close {
            background: rgba(89, 39, 47, 0.08);
            border: none;
            color: var(--burgundy-dark);
            cursor: pointer;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: grid;
            place-items: center;
        }

        .chat-body {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            background: #FFFDFB;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .chat-bubble {
            max-width: 82%;
            padding: 12px 16px;
            border-radius: 18px;
            font-size: 0.92rem;
            line-height: 1.5;
            position: relative;
        }

        .chat-ai {
            align-self: flex-start;
            background: var(--pink-blush);
            color: var(--burgundy-dark);
            border-bottom-left-radius: 4px;
            border: 1px solid var(--border-soft);
        }

        .chat-user {
            align-self: flex-end;
            background: var(--burgundy-dark);
            color: #FFF;
            border-bottom-right-radius: 4px;
        }

        .chat-quick-replies {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            padding: 0 16px 12px;
            background: #FFFDFB;
        }

        .quick-btn {
            background: #FFF;
            border: 1px solid var(--pink-dusty);
            color: var(--burgundy-dark);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .quick-btn:hover {
            background: var(--pink-blush);
            border-color: var(--burgundy-dark);
        }

        .chat-input-bar {
            padding: 12px 16px;
            background: #FFF;
            border-top: 1px solid var(--border-soft);
            display: flex;
            gap: 8px;
        }

        /* === 11. MODAL ĐĂNG NHẬP / ĐĂNG KÝ & POPUPS === */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(61, 35, 38, 0.6);
            backdrop-filter: blur(6px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            padding: 20px;
            animation: fadeIn 0.25s ease;
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal-box {
            background: var(--cream-card);
            border: 2px solid var(--pink-dusty);
            border-radius: var(--radius-lg);
            width: 100%;
            max-width: 480px;
            padding: 36px 32px;
            box-shadow: 0 25px 60px rgba(0,0,0,0.3);
            position: relative;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-muted);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: var(--pink-blush);
            color: var(--burgundy-dark);
        }

        .social-auth-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--border-soft);
            background: #FFF;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            cursor: pointer;
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .social-auth-btn:hover {
            background: var(--pink-blush);
            border-color: var(--burgundy-dark);
            transform: translateY(-2px);
        }

        .social-auth-btn .maintenance-label {
            margin-left: auto;
            padding: 3px 8px;
            border-radius: var(--radius-full);
            background: var(--pink-blush);
            color: var(--burgundy-accent);
            font-size: .68rem;
            font-weight: 800;
        }

        body.auth-locked {
            overflow: hidden;
        }

        #auth-modal.auth-gate {
            background: linear-gradient(135deg, rgba(89, 39, 47, 0.92), rgba(125, 17, 40, 0.82));
            backdrop-filter: blur(10px);
        }

        .auth-card {
            width: min(520px, calc(100vw - 24px));
            max-width: calc(100vw - 24px);
            min-width: 0;
            padding: 28px 32px 32px;
            overflow-x: hidden;
        }

        #auth-title { overflow-wrap: anywhere; }

        .auth-logo {
            width: 104px;
            height: 104px;
            object-fit: cover;
            border-radius: 20px;
            border: 1px solid rgba(212, 175, 55, 0.55);
            box-shadow: var(--shadow-md);
            margin-bottom: 12px;
        }

        .auth-tabs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
            padding: 5px;
            margin: 20px 0;
            border-radius: var(--radius-full);
            background: var(--pink-blush);
        }

        .auth-tab {
            border: 0;
            border-radius: var(--radius-full);
            background: transparent;
            padding: 10px 14px;
            font-weight: 800;
            color: var(--text-muted);
            cursor: pointer;
        }

        .auth-tab.active {
            color: #fff;
            background: var(--burgundy-dark);
            box-shadow: var(--shadow-sm);
        }

        .auth-form { display: none; }
        .auth-form.active { display: block; }

        .auth-register-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0 12px;
        }

        .auth-register-grid .full-width { grid-column: 1 / -1; }

        .auth-field { margin-bottom: 13px; }

        .auth-field label {
            display: block;
            margin-bottom: 5px;
            font-size: 0.84rem;
            font-weight: 750;
        }

        .auth-field-hint,
        .auth-error {
            display: block;
            margin-top: 5px;
            font-size: 0.77rem;
            color: var(--text-muted);
        }

        .auth-error { color: var(--burgundy-accent); font-weight: 700; min-height: 18px; }

        .auth-divider {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0 14px;
            color: var(--text-muted);
            font-size: 0.78rem;
            font-weight: 700;
        }

        .auth-divider::before,
        .auth-divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border-soft);
        }

        .auth-account-panel {
            display: none;
            padding: 18px;
            border-radius: var(--radius-md);
            background: var(--pink-blush);
            text-align: center;
        }

        .account-action-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .order-history-panel {
            display: none;
            margin-top: 14px;
            text-align: left;
        }

        .order-history-panel.active { display: block; }

        .order-history-list {
            display: grid;
            gap: 10px;
            max-height: 330px;
            overflow-y: auto;
            padding-right: 3px;
        }

        .order-history-card {
            padding: 13px;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            background: #fff;
        }

        .order-history-head,
        .order-history-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .order-history-head strong { color: var(--burgundy-dark); }
        .order-history-meta { margin-top: 7px; font-size: .78rem; color: var(--text-muted); }
        .order-history-items { margin-top: 8px; font-size: .8rem; color: var(--text-main); line-height: 1.55; }
        .order-status {
            padding: 4px 8px;
            border-radius: var(--radius-full);
            background: #fff1d7;
            color: #8a5a00;
            font-size: .7rem;
            font-weight: 800;
            white-space: nowrap;
        }

        @media (max-width: 520px) {
            .auth-register-grid,
            .account-action-row { grid-template-columns: 1fr; }
            .auth-register-grid .full-width { grid-column: auto; }
        }

        /* ADMIN DASHBOARD */
        .admin-grid {
            display: grid;
            grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.7fr);
            gap: 24px;
            align-items: start;
        }

        .admin-card {
            background: #fff;
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .admin-card h3 { color: var(--burgundy-dark); margin-bottom: 16px; font-size: 1.2rem; }
        .admin-card.full-span { grid-column: 1 / -1; }

        .admin-help-text { color: var(--text-muted); margin: -8px 0 16px; font-size: .92rem; }
        .admin-page-block-list { display: grid; gap: 10px; }
        .admin-page-block-item {
            display: grid;
            grid-template-columns: 34px 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            background: #fff;
            cursor: grab;
        }
        .admin-page-block-item:active { cursor: grabbing; }
        .admin-page-block-item.is-dragging { opacity: .5; border-style: dashed; }
        .admin-page-block-handle { color: var(--text-muted); display: grid; place-items: center; }
        .admin-page-block-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
        .admin-mini-btn { border: 1px solid var(--border-soft); background: #fff; border-radius: 10px; padding: 7px 9px; cursor: pointer; color: var(--burgundy-dark); font-weight: 700; }
        .admin-mini-btn:hover { background: var(--pink-blush); }

        .custom-cms-section {
            margin-top: 70px;
            padding: 34px;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(240px, .72fr);
            gap: 30px;
            align-items: center;
        }
        .custom-cms-section.no-image { grid-template-columns: 1fr; }
        .custom-cms-section h2 { font-family: 'Playball', cursive; color: var(--burgundy-dark); font-size: 2.2rem; margin-bottom: 10px; }
        .custom-cms-section p { color: var(--text-muted); line-height: 1.8; white-space: pre-line; }
        .custom-cms-section img { width: 100%; max-height: 300px; object-fit: cover; border-radius: 18px; }

        .admin-logo-preview {
            width: 112px;
            height: 112px;
            object-fit: cover;
            border-radius: 20px;
            border: none;
            box-shadow: var(--shadow-soft);
            background: var(--burgundy-dark);
            display: block;
            margin-bottom: 16px;
        }

        .admin-cover-preview {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 16px;
            border: 2px solid var(--pink-dusty);
            display: block;
            margin: 10px 0 16px;
        }

        .admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
        .admin-form-grid .full { grid-column: 1 / -1; }
        .admin-product-list { display: grid; gap: 12px; margin-top: 20px; }

        .admin-product-row {
            display: grid;
            grid-template-columns: 68px minmax(0, 1fr) auto;
            align-items: center;
            gap: 14px;
            padding: 12px;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: var(--cream-bg);
        }

        .admin-product-row img { width: 68px; height: 68px; object-fit: cover; border-radius: 12px; }
        .admin-product-actions { display: flex; gap: 8px; }

        .admin-mini-btn {
            border: 1px solid var(--border-soft);
            background: #fff;
            color: var(--burgundy-dark);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            font-weight: 700;
        }

        .admin-mini-btn.danger { color: #a11232; }

        @media (max-width: 600px) {
            #auth-modal { padding: 12px; }
            .auth-card {
                position: absolute;
                left: 12px;
                right: 12px;
                width: auto !important;
                max-width: none !important;
                padding: 24px 20px;
            }
            .auth-logo { width: 86px; height: 86px; }
            .brand-logo img { width: 58px; height: 52px; }
            #auth-title { font-size: 1.72rem !important; }
            .admin-form-grid { grid-template-columns: 1fr; }
            .admin-form-grid .full { grid-column: auto; }
            .admin-product-row { grid-template-columns: 56px minmax(0, 1fr); }
            .admin-product-row img { width: 56px; height: 56px; }
            .admin-product-actions { grid-column: 1 / -1; }
        }

        /* TOAST NOTIFICATION */
        .toast-container {
            position: fixed;
            top: 92px;
            right: 20px;
            width: min(360px, calc(100vw - 32px));
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 10px;
            pointer-events: none;
        }

        .toast-msg {
            background: var(--burgundy-dark);
            color: #FFF;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            font-weight: 600;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 10px;
            pointer-events: auto;
            border-left: 4px solid var(--gold-artisan);
            animation: slideInRight 0.3s ease;
        }

        @keyframes slideInRight {
            from { transform: translateX(100%); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }

        /* === 12. FOOTER (TOÀN DIỆN SITEMAP) === */
        footer.site-footer {
            background: linear-gradient(180deg, #FFFDFB 0%, #F8E7EC 100%);
            border-top: 2px solid var(--pink-dusty);
            padding: 60px 0 20px;
            color: var(--text-main);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.85fr 0.9fr 1.15fr 1.15fr;
            gap: 28px;
            margin-bottom: 50px;
        }

        .footer-brand img {
            width: 64px;
            height: 64px;
            border-radius: 14px;
            object-fit: cover;
            border: none;
            box-shadow: var(--shadow-soft);
            margin-bottom: 14px;
        }

        .footer-brand h3 {
            font-family: 'Playball', cursive;
            font-size: 2.2rem;
            color: var(--burgundy-dark);
            margin-bottom: 8px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            color: var(--burgundy-dark);
            margin-bottom: 18px;
            font-weight: 700;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            display: none;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.92rem;
        }

        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition);
            cursor: pointer;
        }

        .footer-links a:hover {
            color: var(--burgundy-accent);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.92rem;
            color: var(--text-muted);
        }

        .footer-contact-item.is-email {
            align-items: center;
            white-space: nowrap;
        }

        .footer-contact-item.is-email > span {
            display: inline-flex;
            align-items: baseline;
            gap: 5px;
            min-width: 0;
        }

        #footer-email { white-space: nowrap; }

        .social-icons-row {
            display: flex;
            gap: 10px;
            margin-top: 18px;
            justify-content: flex-start;
            flex-wrap: nowrap;
        }

        .social-btn {
            width: 46px;
            height: 46px;
            flex: 0 0 46px;
            border-radius: 50%;
            background: #FFF;
            border: 1.5px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--burgundy-dark);
            transition: var(--transition);
        }

        .social-btn svg { width: 34px; height: 34px; display: block; }

        .social-btn.zalo {
            padding: 0;
        }

        .social-btn:hover {
            background: #FFF;
            border-color: var(--pink-medium);
            transform: translateY(-3px) scale(1.06);
            box-shadow: var(--shadow-soft);
        }

        /* RESPONSIVE DESIGN (MOBILE-FIRST BREAKPOINTS) */
        @media (max-width: 992px) {
            .hero-section { grid-template-columns: 1fr; text-align: center; }
            .hero-subtitle { margin: 0 auto 30px; }
            .hero-cta-group { justify-content: center; }
            .customizer-layout { grid-template-columns: 1fr; }
            .canvas-pane { position: static; }
            .about-hero { grid-template-columns: 1fr; }
            .checkout-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .admin-grid { grid-template-columns: 1fr; }
            .about-home-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links, .btn-cta-nav { display: none; }
            .mobile-menu-toggle { display: flex; }
            .nav-links li { width: 100%; }
            .nav-links li + li::before { display: none; }
            .nav-link-btn { width: 100%; justify-content: flex-start; }
            .nav-action-wide { min-width: 44px; padding: 0 10px; }
            .nav-action-wide span:not(.cart-badge) { display: none; }
            .language-switcher { display: none; }
            .hero-title { font-size: 2.8rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .nav-container { padding: 10px 16px; }
            .container { padding: 24px 16px 60px; }
            .about-home-grid { grid-template-columns: 1fr; }
            .custom-cms-section { grid-template-columns: 1fr; padding: 24px; }
            .studio-view-toolbar { align-items: stretch; flex-direction: column; }
            .studio-view-toolbar .surface-switch,
            .studio-view-toolbar .orbit-controls { justify-content: center; }
        }

        /* === 3D CAKE STUDIO V2: TRUE CSS 3D + INDEPENDENT PANES === */
        .customizer-layout {
            grid-template-columns: minmax(0, 1.48fr) minmax(360px, .82fr);
            gap: 24px;
            align-items: start;
        }

        .customizer-layout > * { min-width: 0; }

        .canvas-pane,
        .controls-pane {
            position: sticky;
            top: 104px;
            height: calc(100vh - 116px);
            max-height: none;
            min-height: 690px;
            overflow-y: auto;
            overscroll-behavior: contain;
            scrollbar-gutter: stable;
        }

        .canvas-pane {
            padding: 24px 20px 28px;
        }

        .canvas-pane::-webkit-scrollbar,
        .controls-pane::-webkit-scrollbar { width: 8px; }
        .canvas-pane::-webkit-scrollbar-thumb,
        .controls-pane::-webkit-scrollbar-thumb {
            background: rgba(125, 17, 40, .2);
            border: 2px solid transparent;
            border-radius: 999px;
            background-clip: padding-box;
        }

        .controls-pane {
            padding: 16px 14px;
        }

        .controls-pane .step-accordion {
            margin-bottom: 16px;
        }

        .controls-pane .step-header {
            padding: 16px 18px;
        }

        .controls-pane .step-body {
            padding: 16px 18px 18px;
        }

        body[data-active-tab="custom"] .site-footer {
            display: none;
        }

        .step-header {
            gap: 12px;
            line-height: 1.35;
        }

        .step-header > span:first-child,
        .opt-card h4,
        .opt-card span {
            min-width: 0;
            overflow-wrap: break-word;
        }

        .about-home-card {
            display: flex;
            min-width: 0;
            min-height: 260px;
            flex-direction: column;
            padding: 26px 26px 28px;
        }

        .about-home-card h3 {
            line-height: 1.3;
            text-wrap: balance;
        }

        .about-home-card p {
            margin: 0;
            font-size: .92rem;
            line-height: 1.68;
            text-align: left;
            text-wrap: pretty;
            word-break: normal;
            overflow-wrap: normal;
            hyphens: none;
        }

        .core-values-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 7px;
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.48;
        }

        .core-values-list li {
            position: relative;
            padding-left: 17px;
            text-wrap: pretty;
        }

        .core-values-list li::before {
            content: '•';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--burgundy-accent);
            font-weight: 900;
        }

        .cake-stage {
            height: 510px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            perspective: 1380px;
            perspective-origin: 50% 39%;
            overflow: hidden;
            background:
                radial-gradient(ellipse 330px 92px at 50% 68%, rgba(63,43,39,.18), transparent 72%),
                linear-gradient(180deg, #eeeae7 0%, #ddd6d1 100%);
            border-radius: 24px;
            user-select: none;
            cursor: grab;
            touch-action: none;
        }

        .cake-stage::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 66%;
            width: 386px;
            height: 84px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(55,27,31,.26), rgba(55,27,31,.08) 52%, transparent 74%);
            filter: blur(7px);
            transform: translate(-50%, -42%);
            opacity: .56;
            z-index: 0;
            pointer-events: none;
        }

        .cake-stage.is-dragging { cursor: grabbing; }

        .cake-pedestal {
            --orbit-angle: 0deg;
            position: absolute;
            left: 50%;
            top: 66%;
            width: 404px;
            height: 92px;
            border-radius: 50%;
            background: linear-gradient(180deg, #fffefd 0 35%, #f3e7e7 39%, #d7c0c4 68%, #b7979e 84%, #f5e8e9 100%);
            border: 1px solid rgba(129,82,89,.34);
            box-shadow: 0 28px 34px rgba(69,34,39,.2), inset 0 -9px 14px rgba(71,35,40,.14);
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 1;
        }

        .cake-pedestal::before {
            content: '';
            position: absolute;
            inset: -8px 9px 13px;
            border-radius: 50%;
            border: 1px solid rgba(176,120,132,.25);
            border-color: rgba(176,120,132,.25);
            background:
                radial-gradient(ellipse at 50% 32%, #fff 0 34%, #fff9f9 62%, #eadbdd 100%),
                linear-gradient(115deg, transparent 30%, rgba(255,255,255,.85) 49%, transparent 66%);
            box-shadow: inset 0 6px 9px rgba(255,255,255,.78), inset 0 -7px 12px rgba(91,47,53,.1);
            z-index: 1;
        }

        .cake-pedestal::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gold-artisan);
            border: 2px solid #fff;
            box-shadow: 0 2px 7px rgba(89,39,47,.34);
            transform-origin: 0 0;
            transform: rotate(var(--orbit-angle)) translateX(185px) translate(-50%, -50%);
            z-index: 2;
        }

        .cake-contact-shadow {
            position: absolute;
            left: 50%;
            top: 62.4%;
            width: 278px;
            height: 27px;
            border-radius: 50%;
            background: radial-gradient(ellipse, rgba(55,27,31,.3), rgba(55,27,31,.11) 48%, transparent 74%);
            filter: blur(4px);
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 3;
        }

        .cake-pedestal-front {
            position: absolute;
            left: 50%;
            top: 66%;
            width: 404px;
            height: 92px;
            border-radius: 50%;
            background: linear-gradient(180deg, transparent 0 38%, rgba(255,255,255,.18) 46%, rgba(95,58,64,.12) 82%, rgba(255,255,255,.2) 100%);
            border-bottom: 1px solid rgba(115,75,80,.2);
            clip-path: inset(38% 0 0);
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 8;
        }

        .cake-3d-wrapper {
            --cake-yaw: 0deg;
            --cake-width-scale: .88;
            --cake-pitch: -12deg;
            --cake-lift: 0px;
            --cake-color: #f1d5c7;
            --cake-shadow: #c58f86;
            position: relative;
            left: auto;
            bottom: auto;
            width: 430px;
            height: 336px;
            transform: none;
            transform-style: preserve-3d;
            perspective: 2400px;
            perspective-origin: 50% 40%;
            /* Never filter a preserve-3d parent: Chromium flattens its children. */
            filter: none;
            z-index: 5;
            cursor: inherit;
            touch-action: none;
        }

        .cake-pitch-rig {
            position: absolute;
            inset: 0;
            transform: translateY(calc(var(--cake-lift) * -1)) rotateX(var(--cake-pitch));
            transform-origin: 50% calc(100% - 94px);
            transform-style: preserve-3d;
            transition: transform .18s cubic-bezier(.22,.7,.25,1);
        }

        .cake-3d-wrapper.is-dragging .cake-pitch-rig { transition: none; }

        .cake-3d-round,
        .cake-3d-solid {
            --cake-height: 84px;
            position: absolute;
            left: 50%;
            bottom: 94px;
            width: 276px;
            height: var(--cake-height);
            transform: translateX(-50%) rotateY(var(--cake-yaw)) scale3d(var(--cake-width-scale), 1, var(--cake-width-scale));
            transform-origin: 50% 100%;
            transform-style: preserve-3d;
            transition: transform .18s cubic-bezier(.22,.7,.25,1);
        }

        .cake-3d-wrapper.is-dragging .cake-3d-round,
        .cake-3d-wrapper.is-dragging .cake-3d-solid { transition: none; }

        .cake-3d-round { --cake-radius: 133px; }

        .cake-cylinder-sides,
        .cake-heart-sides {
            position: absolute;
            inset: 0;
            transform-style: preserve-3d;
            pointer-events: none;
        }

        .cake-side-panel,
        .cake-heart-panel {
            --panel-light: 1;
            position: absolute;
            top: 0;
            height: var(--cake-height);
            border-top: 1px solid rgba(255,255,255,.58);
            border-bottom: 2px solid rgba(85,43,50,.14);
            background:
                linear-gradient(90deg, rgba(255,255,255,.1), transparent 42%, rgba(75,39,45,.08)),
                linear-gradient(180deg, var(--cake-color) 0%, var(--cake-color) 66%, var(--cake-shadow) 100%);
            backface-visibility: hidden;
            filter: brightness(var(--panel-light));
            opacity: 1;
        }

        .cake-side-panel {
            left: 50%;
            width: 18px;
            margin-left: -9px;
            transform: rotateY(var(--panel-angle)) translateZ(var(--cake-radius));
        }

        .cake-heart-panel {
            left: calc(50% + var(--heart-x));
            width: var(--heart-segment);
            margin-left: calc(var(--heart-segment) / -2);
            transform: translateZ(var(--heart-z)) rotateY(var(--heart-angle));
        }

        .cake-3d-rect {
            --cake-height: 78px;
            --rect-width: 280px;
            --rect-depth: 210px;
            --rect-half-width: 140px;
            --rect-half-depth: 105px;
            width: var(--rect-width);
        }

        .cake-3d-heart {
            --cake-height: 82px;
            --heart-width: 276px;
            --heart-depth: 228px;
            width: var(--heart-width);
        }

        .cake-box-face,
        .cake-body-rect.design-surface,
        .cake-top-rect.design-surface,
        .cake-box-bottom {
            position: absolute;
            left: 50%;
            top: 50%;
            overflow: hidden;
            border: 1px solid rgba(112,66,73,.15);
            backface-visibility: hidden;
        }

        .cake-box-back,
        .cake-body-rect.design-surface {
            width: var(--rect-width);
            height: var(--cake-height);
        }

        .cake-body-rect.design-surface {
            border-radius: 8px 8px 13px 13px;
            background:
                linear-gradient(105deg, transparent 0 18%, rgba(255,255,255,.24) 40%, transparent 61%),
                linear-gradient(180deg, var(--cake-color), var(--cake-shadow)) !important;
            box-shadow: inset 0 -7px 12px rgba(66,31,37,.12);
            transform: translate(-50%, -50%) translateZ(var(--rect-half-depth));
            z-index: 7;
        }

        .cake-box-back {
            background: linear-gradient(180deg, var(--cake-color), var(--cake-shadow));
            transform: translate(-50%, -50%) rotateY(180deg) translateZ(var(--rect-half-depth));
        }

        .cake-box-left,
        .cake-box-right {
            width: var(--rect-depth);
            height: var(--cake-height);
            background: linear-gradient(180deg, color-mix(in srgb, var(--cake-color), #5d343a 8%), var(--cake-shadow));
        }

        .cake-box-left { transform: translate(-50%, -50%) rotateY(-90deg) translateZ(var(--rect-half-width)); }
        .cake-box-right { transform: translate(-50%, -50%) rotateY(90deg) translateZ(var(--rect-half-width)); }

        .cake-top-rect.design-surface,
        .cake-box-bottom {
            width: var(--rect-width);
            height: var(--rect-depth);
            border-radius: 18px;
        }

        .cake-top-rect.design-surface {
            background:
                radial-gradient(circle at 38% 30%, rgba(255,255,255,.54) 0 5%, transparent 34%),
                linear-gradient(135deg, rgba(255,255,255,.25), transparent 57%, rgba(84,45,51,.1)),
                var(--cake-color) !important;
            box-shadow: inset 0 0 0 7px rgba(255,255,255,.34), inset 0 -12px 22px rgba(88,47,53,.11);
            transform: translate(-50%, -50%) rotateX(90deg) translateZ(calc(var(--cake-height) / 2));
            z-index: 8;
        }

        .cake-box-bottom {
            /* The editor never exposes an underside view; hiding this coplanar
               face prevents Chromium's CSS-3D painter from leaking it forward. */
            display: none;
            background: color-mix(in srgb, var(--cake-shadow), #5a3037 14%);
            box-shadow: inset 0 0 16px rgba(55,27,32,.2);
            transform: translate(-50%, -50%) rotateX(-90deg) translateZ(calc(var(--cake-height) / 2));
        }

        .cake-top-heart.design-surface,
        .cake-bottom-heart {
            position: absolute;
            left: 50%;
            top: 50%;
            width: var(--heart-width);
            height: var(--heart-depth);
            overflow: hidden;
            border: 2px solid rgba(129,82,89,.18);
            clip-path: polygon(50% 20%, 42% 8%, 30% 2%, 16% 4%, 6% 14%, 2% 28%, 4% 42%, 12% 55%, 50% 96%, 88% 55%, 96% 42%, 98% 28%, 94% 14%, 84% 4%, 70% 2%, 58% 8%);
            backface-visibility: hidden;
        }

        .cake-top-heart.design-surface {
            background:
                radial-gradient(circle at 38% 30%, rgba(255,255,255,.52) 0 5%, transparent 34%),
                linear-gradient(135deg, rgba(255,255,255,.24), transparent 57%, rgba(84,45,51,.11)),
                var(--cake-color) !important;
            box-shadow: inset 0 0 0 7px rgba(255,255,255,.34), inset 0 -12px 22px rgba(88,47,53,.11);
            transform: translate(-50%, -50%) rotateX(90deg) translateZ(calc(var(--cake-height) / 2));
            z-index: 8;
        }

        .cake-bottom-heart {
            background: color-mix(in srgb, var(--cake-shadow), #5a3037 14%);
            transform: translate(-50%, -50%) rotateX(-90deg) translateZ(calc(var(--cake-height) / 2));
        }

        .cake-body-heart.design-surface {
            position: absolute;
            left: 50%;
            top: 50%;
            width: 184px;
            height: 70px;
            overflow: hidden;
            border: 0;
            border-radius: 11px;
            background: transparent !important;
            box-shadow: none;
            transform: translate(-50%, -50%) translateZ(106px);
            backface-visibility: hidden;
            z-index: 9;
        }

        [data-surface="top"] .piped-text-layer { font-size: 1.45rem; }

        .cake-body-round.design-surface {
            position: absolute;
            left: 50%;
            top: 50%;
            width: 204px;
            height: 72px;
            overflow: hidden;
            border: 0;
            border-radius: 9px;
            background: transparent !important;
            box-shadow: none;
            transform: translate(-50%, -50%) translateZ(var(--cake-radius));
            backface-visibility: hidden;
            isolation: isolate;
            z-index: 5;
        }

        .cake-body-round::before,
        .cake-body-round::after { display: none; }

        .cake-top-round.design-surface,
        .cake-bottom-round {
            position: absolute;
            left: 50%;
            top: 50%;
            width: 276px;
            height: 276px;
            overflow: hidden;
            border: 2px solid rgba(129,82,89,.2);
            border-radius: 50%;
            backface-visibility: hidden;
        }

        .cake-top-round.design-surface {
            background:
                radial-gradient(circle at 38% 30%, rgba(255,255,255,.46) 0 5%, transparent 34%),
                linear-gradient(135deg, rgba(255,255,255,.22), transparent 57%, rgba(83,49,53,.12)),
                var(--cake-color) !important;
            box-shadow: inset 0 0 0 7px rgba(255,255,255,.35), inset 0 -12px 22px rgba(75,43,47,.12);
            transform: translate(-50%, -50%) rotateX(90deg) translateZ(calc(var(--cake-height) / 2));
            transform-origin: center;
            isolation: isolate;
            z-index: 8;
        }

        .cake-bottom-round {
            background: color-mix(in srgb, var(--cake-shadow), #5a3037 14%);
            box-shadow: inset 0 0 18px rgba(55,27,32,.22);
            transform: translate(-50%, -50%) rotateX(-90deg) translateZ(calc(var(--cake-height) / 2));
        }

        .cake-top-round::before {
            inset: 7px;
            border: 2px solid rgba(125,17,40,.18);
            box-shadow: inset 0 0 0 4px rgba(255,255,255,.6);
        }

        .cake-top-round::after {
            inset: 14%;
            background: radial-gradient(circle at 38% 30%, rgba(255,255,255,.36), transparent 55%);
        }

        [data-surface="top"] .photo-topper,
        [data-surface="top"] .piped-text-layer,
        [data-surface="top"] .placed-topping {
            transform: translate(-50%, -50%);
        }

        [data-surface="top"] .placed-topping:hover {
            transform: translate(-50%, -50%) scale(1.2);
        }

        .cake-body-round .photo-topper.on-front {
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .cake-body-round .piped-text-layer.on-front {
            left: 6%;
            bottom: 10px;
            width: 88%;
            color: var(--burgundy-accent);
            text-shadow: 0 1px 2px rgba(255,255,255,.85);
        }

        .design-surface.is-active { outline: none; }
        .design-surface.is-active::selection { background: transparent; }

        @media (max-width: 992px) {
            .customizer-layout { grid-template-columns: 1fr; }
            .canvas-pane,
            .controls-pane {
                position: static;
                height: auto;
                max-height: none;
                min-height: 0;
                overflow: visible;
                overscroll-behavior: auto;
            }
            .cake-stage { height: 430px; }
            .cake-3d-wrapper { width: 360px; height: 280px; transform: scale(.84); transform-origin: center; }
            .cake-pitch-rig { transform-origin: 50% calc(100% - 70px); }
            .cake-3d-round,
            .cake-3d-solid { bottom: 70px; }
            .cake-pedestal,
            .cake-pedestal-front { width: 340px; height: 82px; }
            .cake-contact-shadow { width: 244px; }
        }

        @media (max-width: 560px) {
            .nav-container { padding: 8px 12px; gap: 8px; justify-content: space-between; }
            .brand-logo { margin-right: 0; }
            .brand-logo img { width: 54px; height: 54px; }
            .nav-actions { gap: 6px; margin-left: auto; }
            .nav-action-wide { width: 44px !important; min-width: 44px; height: 42px; padding: 0; }
            .mobile-menu-toggle { width: 36px; height: 42px; align-items: center; justify-content: center; }
            .customizer-layout,
            .canvas-pane,
            .controls-pane { width: 100%; min-width: 0; }
            .canvas-pane { padding: 24px 12px; }
            .controls-pane { padding: 16px 10px; }
            #tab-custom .section-header h2 {
                max-width: 100%;
                font-size: 2.3rem;
                line-height: 1.08;
                overflow-wrap: anywhere;
            }
            #tab-custom .section-header p { font-size: .94rem; }
            .canvas-header h3 { font-size: 1.9rem; line-height: 1.15; }
            .canvas-hint { flex-wrap: wrap; line-height: 1.45; padding: 0 8px; }
            .cake-stage { width: 100%; height: 326px; }
            .cake-3d-wrapper { width: 272px; height: 220px; bottom: auto; transform: scale(.72); transform-origin: center; }
            .cake-pitch-rig { transform-origin: 50% calc(100% - 58px); }
            .cake-3d-round,
            .cake-3d-solid { bottom: 58px; }
            .cake-pedestal, .cake-pedestal-front { width: 276px; }
            .cake-pedestal { height: 76px; }
            .cake-pedestal-front { height: 76px; }
            .cake-contact-shadow { width: 210px; top: 59%; }
            .studio-view-toolbar { padding: 8px 6px; }
            .live-price-box { padding: 14px; }
            .about-home-card { min-height: 0; }
        }

        /* === THREE.JS CAKE STUDIO === */
        #tab-custom > .container {
            max-width: 1520px;
            padding-left: 28px;
            padding-right: 28px;
        }

        #tab-custom .customizer-layout {
            grid-template-columns: minmax(680px, 1.48fr) minmax(500px, .86fr);
            gap: 30px;
        }

        #tab-custom .canvas-pane,
        #tab-custom .controls-pane {
            min-height: 720px;
        }

        #tab-custom .cake-stage {
            height: 570px;
            perspective: none;
            background: #f1eeeb;
        }

        #bunni-three-canvas {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            border-radius: inherit;
        }

        #bunni-three-canvas canvas {
            display: block;
            width: 100%;
            height: 100%;
            cursor: grab;
            touch-action: none;
        }

        #bunni-three-canvas canvas:active { cursor: grabbing; }
        #tab-custom .cake-stage::after { display: none; }
        #tab-custom #cake-3d-model[hidden] { display: none !important; }

        #tab-custom .step-header > span:first-child,
        #tab-custom .step-header .badge,
        #tab-custom .opt-card h4,
        #tab-custom .opt-card span {
            overflow-wrap: normal;
            word-break: normal;
            white-space: nowrap;
        }

        #tab-custom .step-header .badge {
            flex: 0 0 auto;
            max-width: 48%;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        #tab-custom .option-grid {
            grid-template-columns: repeat(auto-fit, minmax(142px, 1fr));
        }

        #auth-btn {
            width: auto !important;
            min-width: 124px;
            max-width: 190px;
        }

        #auth-btn span:not(.cart-badge) {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        @media (max-width: 1220px) {
            #tab-custom .customizer-layout { grid-template-columns: 1fr; }
            #tab-custom .canvas-pane,
            #tab-custom .controls-pane {
                position: static;
                width: 100%;
                height: auto;
                min-height: 0;
                overflow: visible;
            }
            #tab-custom .cake-stage { height: 520px; }
        }

        @media (max-width: 560px) {
            #tab-custom > .container { padding-left: 12px; padding-right: 12px; }
            #tab-custom .cake-stage { height: 390px; }
            #tab-custom .step-header > span:first-child,
            #tab-custom .step-header .badge,
            #tab-custom .opt-card h4,
            #tab-custom .opt-card span { white-space: normal; }
            #auth-btn { min-width: 44px; max-width: 44px; }
        }