/* ============================================
           YVLAB GLOBAL STYLES
           ============================================ */

        /* Reset & Base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
            color: #2B2B2B;
            line-height: 1.6;
            background: #fff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* Container */
        .yvlab-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ============================================
           HEADER
           ============================================ */
        .yvlab-header {
            position: sticky;
            top: 0;
            background: #fff;
            border-bottom: 1px solid #ECECEC;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }

        .yvlab-header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            gap: 40px;
        }

        /* Logo */
        .yvlab-logo {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 2px;
            color: #000;
            text-transform: uppercase;
            z-index: 1001;
        }

        .yvlab-logo:hover {
            color: #B8A078;
        }

        /* Hamburger Menu */
        .yvlab-hamburger {
            display: none;
            width: 30px;
            height: 24px;
            position: relative;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 0;
            flex-direction: column;
            justify-content: space-between;
        }

        .yvlab-hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: #000;
            transition: all 0.3s ease;
        }

        .yvlab-hamburger.active span:nth-child(1) {
            transform: translateY(11px) rotate(45deg);
        }

        .yvlab-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .yvlab-hamburger.active span:nth-child(3) {
            transform: translateY(-11px) rotate(-45deg);
        }

        /* Navigation */
        .yvlab-nav {
            display: flex;
            align-items: center;
            gap: 40px;
            flex: 1;
            justify-content: center;
        }

        .yvlab-nav a {
            font-size: 14px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #2B2B2B;
            padding: 8px 0;
            position: relative;
        }

        .yvlab-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #B8A078;
            transition: width 0.3s ease;
        }

        .yvlab-nav a:hover::after,
        .yvlab-nav a.active::after {
            width: 100%;
        }

        .yvlab-nav a:hover {
            color: #B8A078;
        }

        /* Mobile Navigation */
        .yvlab-mobile-nav {
            display: none;
            position: fixed;
            top: 69px;
            left: 0;
            width: 100%;
            height: calc(100vh - 69px);
            background: #fff;
            z-index: 999;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .yvlab-mobile-nav.active {
            opacity: 1;
            visibility: visible;
        }

        .yvlab-mobile-nav-content {
            padding: 40px 20px;
        }

        .yvlab-mobile-nav a {
            display: block;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #2B2B2B;
            border-bottom: 1px solid #ECECEC;
            transition: all 0.3s;
        }

        .yvlab-mobile-nav a:hover,
        .yvlab-mobile-nav a.active {
            color: #B8A078;
            background: #F5F5F5;
            padding-left: 30px;
        }

        .yvlab-mobile-divider {
            height: 8px;
            background: #F5F5F5;
            margin: 20px -20px;
        }

        /* Header Actions */
        .yvlab-header-actions {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .yvlab-search-toggle,
        .yvlab-cart-link,
        .yvlab-account-toggle {
            font-size: 20px;
            color: #2B2B2B;
            cursor: pointer;
            position: relative;
            background: none !important;
            border: none !important;
            outline: none !important;
            padding: 8px !important;
            display: inline-flex !important;
            align-items: center !important;
            justify-content: center !important;
        }

        .yvlab-search-toggle:focus,
        .yvlab-cart-link:focus,
        .yvlab-account-toggle:focus {
            outline: none !important;
            border: none !important;
            box-shadow: none !important;
        }

        .yvlab-search-toggle:hover,
        .yvlab-cart-link:hover,
        .yvlab-account-toggle:hover {
            color: #B8A078;
        }

        /* User Dropdown */
        .yvlab-user-dropdown {
            position: relative;
        }

        .yvlab-user-menu {
            position: absolute;
            top: calc(100% + 15px);
            right: 0;
            background: #fff;
            border: 1px solid #ECECEC;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .yvlab-user-menu.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .yvlab-user-menu::before {
            content: '';
            position: absolute;
            top: -6px;
            right: 15px;
            width: 12px;
            height: 12px;
            background: #fff;
            border-left: 1px solid #ECECEC;
            border-top: 1px solid #ECECEC;
            transform: rotate(45deg);
        }

        .yvlab-user-menu-header {
            padding: 16px 20px;
            border-bottom: 1px solid #ECECEC;
            background: #F9F9F9;
        }

        .yvlab-user-menu-name {
            font-size: 14px;
            font-weight: 600;
            color: #2B2B2B;
            margin-bottom: 4px;
        }

        .yvlab-user-menu-email {
            font-size: 12px;
            color: #999;
        }

        .yvlab-user-menu-list {
            list-style: none;
            padding: 8px 0;
        }

        .yvlab-user-menu-list li {
            margin: 0;
        }

        .yvlab-user-menu-list a,
        .yvlab-user-menu-list button {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            padding: 12px 20px;
            font-size: 14px;
            color: #2B2B2B;
            text-decoration: none;
            background: none;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            text-align: left;
            font-family: inherit;
        }

        .yvlab-user-menu-list a:hover,
        .yvlab-user-menu-list button:hover {
            background: #F9F9F9;
            color: #B8A078;
        }

        .yvlab-user-menu-list svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .yvlab-user-menu-divider {
            height: 1px;
            background: #ECECEC;
            margin: 8px 0;
        }

        .yvlab-user-menu-list .logout-btn {
            color: #DC2626;
        }

        .yvlab-user-menu-list .logout-btn:hover {
            background: #FEF2F2;
            color: #DC2626;
        }

        /* Cart Badge */
        .yvlab-cart-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            background: #000;
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 6px;
            border-radius: 10px;
            min-width: 18px;
            text-align: center;
            opacity: 1;
            transition: all 0.2s ease;
        }

        .yvlab-cart-badge.empty {
            opacity: 0;
            pointer-events: none;
        }

        /* Toast Notification */
        .yvlab-toast {
            position: fixed;
            top: 100px;
            right: 20px;
            background: #fff;
            border: 1px solid #ECECEC;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            padding: 16px 20px;
            border-radius: 4px;
            z-index: 10000;
            min-width: 300px;
            max-width: 400px;
            opacity: 0;
            transform: translateX(400px);
            transition: all 0.3s ease;
        }

        .yvlab-toast.show {
            opacity: 1;
            transform: translateX(0);
        }

        .yvlab-toast-content {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .yvlab-toast-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
        }

        .yvlab-toast-success .yvlab-toast-icon {
            color: #22C55E;
        }

        .yvlab-toast-error .yvlab-toast-icon {
            color: #EF4444;
        }

        .yvlab-toast-message {
            flex: 1;
        }

        .yvlab-toast-title {
            font-size: 14px;
            font-weight: 600;
            color: #2B2B2B;
            margin-bottom: 4px;
        }

        .yvlab-toast-text {
            font-size: 13px;
            color: #666;
        }

        /* Confirm Modal */
        .yvlab-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 99999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .yvlab-modal-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .yvlab-modal {
            background: #fff;
            border-radius: 0;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
            transform: scale(0.9) translateY(-20px);
            transition: transform 0.3s ease;
        }

        .yvlab-modal-overlay.show .yvlab-modal {
            transform: scale(1) translateY(0);
        }

        .yvlab-modal-header {
            padding: 32px 32px 24px;
            border-bottom: 1px solid #ECECEC;
        }

        .yvlab-modal-title {
            font-size: 24px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #2B2B2B;
            margin: 0;
        }

        .yvlab-modal-body {
            padding: 32px;
        }

        .yvlab-modal-message {
            font-size: 15px;
            line-height: 1.6;
            color: #666;
            margin: 0;
        }

        .yvlab-modal-footer {
            padding: 24px 32px 32px;
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }

        .yvlab-modal-btn {
            padding: 12px 32px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            font-family: inherit;
        }

        .yvlab-modal-btn-cancel {
            background: #F5F5F5;
            color: #2B2B2B;
        }

        .yvlab-modal-btn-cancel:hover {
            background: #ECECEC;
        }

        .yvlab-modal-btn-confirm {
            background: #000;
            color: #fff;
        }

        .yvlab-modal-btn-confirm:hover {
            background: #B8A078;
        }

        .yvlab-modal-btn-confirm.danger {
            background: #DC2626;
        }

        .yvlab-modal-btn-confirm.danger:hover {
            background: #B91C1C;
        }

        /* Search Bar (Hidden by default) */
        .yvlab-search-bar {
            display: none;
            padding: 20px 0;
            border-top: 1px solid #ECECEC;
        }

        .yvlab-search-bar.active {
            display: block;
        }

        .yvlab-search-form {
            display: flex;
            gap: 10px;
            max-width: 600px;
            margin: 0 auto;
        }

        .yvlab-search-input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid #ECECEC;
            font-size: 14px;
            font-family: inherit;
            transition: border-color 0.3s;
            box-sizing: border-box;
        }

        .yvlab-search-input:focus {
            outline: none;
            border-color: #B8A078;
        }

        .yvlab-search-btn {
            padding: 14px 30px !important;
            background: #000 !important;
            color: #fff !important;
            border: none !important;
            outline: none !important;
            font-size: 14px !important;
            font-weight: 600 !important;
            text-transform: uppercase !important;
            letter-spacing: 1px !important;
            cursor: pointer !important;
            transition: all 0.3s !important;
            font-family: inherit !important;
            white-space: nowrap !important;
            box-sizing: border-box !important;
            -webkit-appearance: none !important;
            -moz-appearance: none !important;
            appearance: none !important;
            box-shadow: none !important;
        }

        .yvlab-search-btn:focus {
            outline: none !important;
            border: none !important;
            box-shadow: none !important;
        }

        .yvlab-search-btn:active {
            outline: none !important;
            border: none !important;
        }

        .yvlab-search-btn:hover {
            background: #B8A078 !important;
            transform: translateY(-1px) !important;
            border: none !important;
            outline: none !important;
        }

        /* ============================================
           MAIN CONTENT
           ============================================ */
        .yvlab-main {
            min-height: calc(100vh - 200px);
        }

        /* Flash Messages */
        .yvlab-flash {
            padding: 16px 20px;
            margin: 20px auto;
            max-width: 1400px;
            border-left: 4px solid;
            font-size: 14px;
            font-weight: 500;
        }

        .yvlab-flash-success {
            background: #F0FDF4;
            color: #166534;
            border-color: #22C55E;
        }

        .yvlab-flash-error {
            background: #FEF2F2;
            color: #991B1B;
            border-color: #EF4444;
        }

        /* ============================================
           FOOTER
           ============================================ */
        .yvlab-footer {
            background: #000;
            color: #fff;
            padding: 80px 0 30px;
            margin-top: 0;
        }

        .yvlab-footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

        .yvlab-footer-brand {
            max-width: 400px;
        }

        .yvlab-footer-logo {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 3px;
            margin-bottom: 20px;
            color: #fff;
        }

        .yvlab-footer-description {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255,255,255,0.7);
            margin-bottom: 30px;
        }

        .yvlab-footer-social {
            display: flex;
            gap: 15px;
        }

        .yvlab-footer-social a {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255,255,255,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            transition: all 0.3s;
        }

        .yvlab-footer-social a:hover {
            border-color: #B8A078;
            color: #B8A078;
            transform: translateY(-2px);
        }

        .yvlab-footer-title {
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 25px;
            color: #B8A078;
        }

        .yvlab-footer-links {
            list-style: none;
        }

        .yvlab-footer-links li {
            margin-bottom: 12px;
        }

        .yvlab-footer-links a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            transition: color 0.3s;
        }

        .yvlab-footer-links a:hover {
            color: #fff;
        }

        .yvlab-footer-bottom {
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
        }

        /* ============================================
           RESPONSIVE
           ============================================ */
        @media (max-width: 1024px) {
            .yvlab-container {
                padding: 0 30px;
            }

            .yvlab-footer-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .yvlab-container {
                padding: 0 20px;
            }

            .yvlab-header-content {
                gap: 20px;
                padding: 16px 0;
            }

            .yvlab-logo {
                font-size: 24px;
            }

            /* Show hamburger, hide desktop nav */
            .yvlab-hamburger {
                display: flex;
                order: -1; /* Move to start */
            }

            .yvlab-nav {
                display: none;
            }

            .yvlab-mobile-nav {
                display: block;
            }

            .yvlab-header-actions {
                gap: 15px;
            }

            .yvlab-search-toggle,
            .yvlab-cart-link,
            .yvlab-account-toggle {
                font-size: 18px;
            }

            /* Adjust user menu for mobile */
            .yvlab-user-menu {
                right: -20px;
                min-width: 250px;
            }

            .yvlab-footer-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .yvlab-footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }

            /* Toast on mobile */
            .yvlab-toast {
                right: 10px;
                left: 10px;
                min-width: auto;
                transform: translateX(0) translateY(-100px);
            }

            .yvlab-toast.show {
                transform: translateX(0) translateY(0);
            }

            /* Modal on mobile */
            .yvlab-modal {
                width: 95%;
            }

            .yvlab-modal-header {
                padding: 24px 20px 16px;
            }

            .yvlab-modal-title {
                font-size: 20px;
            }

            .yvlab-modal-body {
                padding: 20px;
            }

            .yvlab-modal-footer {
                padding: 16px 20px 20px;
                flex-direction: column-reverse;
            }

            .yvlab-modal-btn {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .yvlab-container {
                padding: 0 16px;
            }

            .yvlab-logo {
                font-size: 20px;
            }
        }