:root{--brand: #145A50;--brand-dark: #0E4039;--brand-soft: #E8F0ED;--accent: #B99A62;--accent-soft: #F1E8D7;--background: #F7F5F0;--surface: #FFFFFF;--surface-soft: #F0EEE8;--text: #1C2623;--text-muted: #6E7773;--border: #DEDCD5;--success: #277A52;--warning: #A66A20;--danger: #B64040;--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 2px 4px rgba(28, 38, 35, .04);--shadow-md: 0 4px 12px rgba(28, 38, 35, .08);--shadow-lg: 0 8px 24px rgba(28, 38, 35, .12);--transition: all .2s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background-color:var(--background);color:var(--text);line-height:1.5;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}#app{min-height:100vh;display:flex;flex-direction:column}.app-header{height:64px;background-color:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-container{max-width:1200px;margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand-dark)}.brand-logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:var(--accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;box-shadow:0 2px 6px #145a5040}.brand-text{font-size:18px;font-weight:700;letter-spacing:-.02em}.brand-text span{color:var(--accent);font-weight:500;font-size:14px;margin-left:4px;text-transform:uppercase;letter-spacing:.05em}.header-right{display:flex;align-items:center;gap:16px}.status-badge{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:4px 10px;border-radius:20px;background:var(--surface-soft);color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--success)}.status-badge.offline .status-dot{background-color:var(--danger)}.user-profile-badge{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text)}.app-body{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:24px;display:flex;gap:32px}.desktop-nav{width:220px;flex-shrink:0;display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-md);color:var(--text-muted);font-weight:500;font-size:15px;background:transparent;border:none;cursor:pointer;transition:var(--transition);text-align:left;width:100%}.nav-item:hover{background-color:var(--surface-soft);color:var(--text)}.nav-item.active{background-color:var(--brand-soft);color:var(--brand-dark);font-weight:600}.nav-item svg{width:20px;height:20px;stroke:currentColor}.logout-nav-item{margin-top:auto;color:var(--danger)}.logout-nav-item:hover{background-color:#fde8e8}.main-content{flex:1;min-width:0}.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:64px;background-color:var(--surface);border-top:1px solid var(--border);z-index:100;justify-content:space-around;align-items:center;box-shadow:0 -2px 10px #0000000d}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;color:var(--text-muted);font-size:11px;font-weight:500;padding:8px 12px;cursor:pointer}.mobile-nav-item.active{color:var(--brand)}.mobile-nav-item svg{width:22px;height:22px}.offline-banner{background-color:#fdf2f2;border:1px solid #F87171;color:var(--danger);padding:12px 16px;border-radius:var(--radius-md);margin-bottom:20px;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500}.section-header{margin-bottom:24px}.section-title{font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.section-subtitle{font-size:14px;color:var(--text-muted);margin-top:4px}.search-box{position:relative;margin-bottom:24px}.search-input{width:100%;height:48px;padding:0 16px 0 44px;border-radius:var(--radius-md);border:1px solid var(--border);background-color:var(--surface);font-size:15px;font-family:inherit;color:var(--text);box-shadow:var(--shadow-sm);transition:var(--transition)}.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--text-muted);pointer-events:none}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.product-card{background-color:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer;position:relative}.product-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent)}.product-image-container{width:100%;aspect-ratio:4 / 5;background-color:var(--surface-soft);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.product-image{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.product-card:hover .product-image{transform:scale(1.03)}.product-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--accent);width:100%;height:100%;background:radial-gradient(circle at center,var(--surface-soft) 0%,var(--surface) 100%)}.product-placeholder svg{width:48px;height:48px;opacity:.8}.product-placeholder span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:600;color:var(--text-muted)}.product-info{padding:16px;display:flex;flex-direction:column;flex:1}.product-name{font-size:16px;font-weight:600;color:var(--text);line-height:1.3;margin-bottom:4px}.product-size{font-size:13px;color:var(--text-muted);margin-bottom:12px}.product-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between}.product-price{font-size:18px;font-weight:700;color:var(--brand-dark)}.stock-tag{font-size:11px;font-weight:600;padding:4px 8px;border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.03em}.stock-tag.available{background-color:#e6f4ea;color:var(--success)}.stock-tag.low{background-color:#fef3c7;color:var(--warning)}.stock-tag.out{background-color:#f3f4f6;color:var(--text-muted)}.detail-container{display:grid;grid-template-columns:1fr 1fr;gap:32px;background:var(--surface);padding:24px;border-radius:var(--radius-lg);border:1px solid var(--border)}.detail-image-box{width:100%;aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;background:var(--surface-soft)}.detail-info{display:flex;flex-direction:column}.detail-title{font-size:24px;font-weight:700;margin-bottom:8px}.detail-price{font-size:28px;font-weight:700;color:var(--brand-dark);margin:16px 0}.quantity-control{display:flex;align-items:center;gap:12px;margin:24px 0}.qty-btn{width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);font-size:18px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.qty-btn:hover{background:var(--surface-soft);border-color:var(--brand)}.qty-input{width:60px;height:40px;text-align:center;font-size:16px;font-weight:600;border:1px solid var(--border);border-radius:var(--radius-sm);margin:0}.btn-primary{height:48px;padding:0 24px;background-color:var(--brand);color:#fff;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background-color:var(--brand-dark);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{height:48px;padding:0 24px;background-color:var(--surface-soft);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.btn-secondary:hover{background-color:var(--border)}.sticky-order-bar{position:fixed;bottom:80px;left:24px;right:24px;max-width:600px;margin:0 auto;background-color:var(--brand-dark);color:#fff;padding:14px 20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;z-index:90;cursor:pointer;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}@keyframes slideUp{0%{transform:translateY(100px);opacity:0}to{transform:translateY(0);opacity:1}}.order-bar-info{display:flex;align-items:center;gap:12px}.order-bar-badge{background-color:var(--accent);color:var(--text);font-weight:700;font-size:13px;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center}.order-bar-total{font-size:18px;font-weight:700}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top right,var(--brand-soft),var(--background));padding:20px}.login-card{width:100%;max-width:400px;background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);padding:32px;box-shadow:var(--shadow-md)}.login-header{text-align:center;margin-bottom:28px}.login-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px}.login-title{font-size:22px;font-weight:700;color:var(--text)}.login-subtitle{font-size:13px;color:var(--text-muted);margin-top:4px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.form-input{width:100%;height:46px;padding:0 14px;border-radius:var(--radius-md);border:1px solid var(--border);font-size:15px;font-family:inherit;transition:var(--transition)}.form-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.error-message{color:var(--danger);font-size:13px;font-weight:500;margin-bottom:16px}.list-container{display:flex;flex-direction:column;gap:12px}.card-row{background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--border);padding:16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);transition:var(--transition)}.card-row:hover{border-color:var(--brand)}.card-row-title{font-size:16px;font-weight:600;color:var(--text)}.card-row-sub{font-size:13px;color:var(--text-muted);margin-top:2px}.skeleton{background:linear-gradient(90deg,var(--surface-soft) 25%,var(--border) 50%,var(--surface-soft) 75%);background-size:200% 100%;animation:loading 1.5s infinite}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:768px){.app-body{padding:16px 16px 90px}.desktop-nav{display:none}.mobile-nav{display:flex}.detail-container{grid-template-columns:1fr}.sticky-order-bar{left:16px;right:16px;bottom:76px}}