:root{--bg-color: #fcfaf6;--text-main: #282828;--text-light: #737373;--text-faded: #b0b0b0;--primary-color: #007bce;--border-color: #e5e5e5;--font-heading: "Comfortaa", cursive;--font-body: "IBM Plex Sans Thai", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);font-family:var(--font-body);color:var(--text-main);display:flex;justify-content:center;min-height:100vh;-webkit-font-smoothing:antialiased;font-size:16px;line-height:22px}h1,.h1{font-family:var(--font-heading);font-weight:700;font-size:58px;line-height:64px;margin-bottom:8px}h2,.h2{font-family:var(--font-heading);font-weight:700;font-size:40px;line-height:48px}h3,.h3{font-family:var(--font-heading);font-weight:700;font-size:32px;line-height:36px}h4,.h4{font-family:var(--font-heading);font-weight:700;font-size:30px;line-height:34px}h5,.h5{font-family:var(--font-heading);font-weight:700;font-size:24px;line-height:30px}h6,.h6{font-family:var(--font-heading);font-weight:700;font-size:20px;line-height:24px}.label-large{font-family:var(--font-heading);font-weight:700;font-size:18px;line-height:24px}.label-medium{font-family:var(--font-heading);font-weight:700;font-size:16px;line-height:20px}.label-small{font-family:var(--font-heading);font-weight:700;font-size:14px;line-height:20px}.body-text{font-family:var(--font-body);font-weight:400;font-size:16px;line-height:22px}.caption{font-family:var(--font-body);font-weight:400;font-size:14px;line-height:22px}.small-text{font-family:var(--font-body);font-weight:400;font-size:12px;line-height:16px}.mobile-container{background-color:#fff;height:100vh;width:100%;max-width:450px;display:flex;flex-direction:column;position:relative;overflow-y:auto}header{text-align:center;padding:40px 20px 20px;border-bottom:1px solid var(--border-color)}header h1{font-size:28px}.subtitle{font-family:var(--font-heading);font-weight:700;font-size:14px;line-height:20px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-light)}.section-header{padding:30px 20px 10px;border-bottom:2px solid var(--primary-color);margin-bottom:0;background-color:#fff;position:relative}.section-title{font-family:var(--font-heading);font-weight:700;font-size:20px;line-height:24px;color:var(--text-main);font-style:normal}.section-desc{font-family:var(--font-body);font-weight:400;font-size:14px;line-height:22px;text-align:left!important;color:var(--text-light);margin-top:4px}.product-list{padding:0 20px 100px}.product-item{display:flex;align-items:center;padding:20px 0;border-bottom:1px solid var(--border-color)}.product-img{width:75px;height:75px;object-fit:contain;margin-right:16px;border-radius:4px;padding:2px}.product-info{flex-grow:1;padding-right:10px;text-align:left}.product-title{font-family:var(--font-heading);font-weight:700;font-size:18px;line-height:24px;margin-bottom:4px;color:var(--text-main)}.product-sub{font-family:var(--font-body);font-weight:400;font-size:12px;line-height:16px;color:var(--text-light);margin-bottom:6px}.price-wrapper{font-family:var(--font-heading);font-weight:700;font-size:16px;line-height:20px;color:var(--text-main)}.action-area{display:flex;align-items:center;justify-content:flex-end;min-width:90px}.btn-init-add{width:32px;height:32px;border-radius:50%;border:1px solid var(--border-color);background:#fff;color:var(--primary-color);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.btn-init-add:hover{border-color:var(--primary-color);background-color:var(--bg-color)}.qty-control{display:none;align-items:center;background:#fff;border:1px solid var(--primary-color);border-radius:20px;height:32px;overflow:hidden}.qty-control.active{display:flex}.qty-btn{width:30px;height:100%;border:none;background:transparent;cursor:pointer;font-size:10px;display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.qty-btn:hover{background-color:#f5f5f5}.qty-display{width:30px;text-align:center;font-family:var(--font-heading);font-weight:700;font-size:14px;line-height:20px}.sticky-cart{position:fixed;bottom:0;width:100%;max-width:450px;background-color:#fffffffa;border-top:1px solid var(--border-color);height:90px;display:flex;align-items:center;z-index:100;padding:0 24px;justify-content:center}.cart-empty-msg{font-family:var(--font-body);font-weight:400;font-size:16px;line-height:22px;color:var(--text-faded);display:block}.cart-active-wrapper{display:none;width:100%;justify-content:space-between;align-items:center}.cart-summary{display:flex;flex-direction:column}.cart-label{font-family:var(--font-body);font-weight:400;font-size:12px;line-height:16px;text-transform:uppercase;letter-spacing:1px;color:var(--text-light);margin-bottom:4px}.cart-total{font-family:var(--font-heading);font-weight:700;font-size:24px;line-height:30px}.btn-order{background-color:var(--primary-color);color:#fff;border:none;padding:0 24px;height:40px;box-sizing:border-box;font-family:var(--font-heading);font-weight:700;font-size:16px;line-height:22px;text-transform:uppercase;letter-spacing:1px;cursor:pointer;border-radius:2px;transition:background .2s}.btn-order:hover{opacity:.9}.cart-count-bubble{background-color:var(--primary-color);color:#fff;font-size:11px;padding:2px 8px;border-radius:10px;margin-left:6px;vertical-align:text-bottom;font-family:var(--font-body);font-weight:600}#root{max-width:450px;width:100%;margin:0 auto;text-align:center}.header-content{position:relative}.auth-loading{padding:8px 16px;color:#666;font-size:14px}.user-info{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:#f5f5f5;border-radius:8px;margin:10px 16px}.user-email{font-size:14px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:180px}.btn-logout{padding:6px 12px;background:#dc3545;color:#fff;border:none;border-radius:6px;font-size:12px;cursor:pointer;transition:background .2s ease}.btn-logout:hover{background:#c82333}.btn-google-login{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#fff;border:1px solid #ddd;border-radius:8px;font-size:14px;font-weight:500;color:#333;cursor:pointer;margin:10px auto;transition:all .2s ease}.btn-google-login:hover{background:#f8f8f8}.google-icon{flex-shrink:0}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#666}.loading-spinner{width:40px;height:40px;border:3px solid #f3f3f3;border-top:3px solid #e53935;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px}.error-message{color:#dc3545;font-size:16px;margin-bottom:16px;text-align:center}.btn-retry{padding:10px 24px;background:#e53935;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s ease}.btn-retry:hover{background:#c62828}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.header-title{line-height:48px}.login-page{justify-content:center;align-items:center;max-width:450px;width:100%}.login-center{display:flex;flex-direction:column;align-items:center;padding:20px;width:100%}.login-center .header-content{display:flex;flex-direction:column;align-items:center;gap:20px;background:#fff;width:100%}.shop-list{padding:10px 20px;display:flex;flex-direction:column;gap:12px}.shop-card{display:flex;align-items:center;gap:14px;padding:12px;border:1px solid var(--border-color);border-radius:12px;text-decoration:none;color:inherit;transition:background .2s}.shop-card:hover{background:#f9f9f9}.shop-cover{width:60px;height:60px;border-radius:10px;object-fit:cover}.shop-card-info{flex:1;text-align:left}.shop-card-name{font-family:var(--font-heading);font-weight:700;font-size:16px;line-height:20px;color:var(--text-main)}.shop-card-count{font-size:13px;color:var(--text-light);margin-top:2px}.back-nav{padding:12px 20px;border-bottom:1px solid var(--border-color)}.back-link{font-size:14px;color:var(--primary-color);text-decoration:none;display:inline-flex;align-items:center;gap:6px}.back-link:hover{opacity:.8}.product-item.out-of-stock{opacity:.5;pointer-events:none}.stock-out{color:#dc3545;font-weight:600}.stock-info{color:#999;font-size:11px}.sold-out-badge{font-size:12px;font-weight:600;color:#dc3545;background:#ffeaea;padding:4px 10px;border-radius:12px}.qty-btn:disabled{opacity:.3;cursor:not-allowed}