*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #e53935;--primary-dark: #b71c1c;--primary-light: #ffebee;--accent: #ff6f00;--text: #1a1a1a;--text-muted: #666;--border: #e0e0e0;--bg: #f5f5f5;--white: #ffffff;--success: #2e7d32;--radius: 10px;--shadow: 0 2px 12px rgba(0,0,0,.08);--shadow-hover: 0 8px 24px rgba(0,0,0,.15);font-family:Be Vietnam Pro,sans-serif}body{background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}img{display:block;max-width:100%}.container{max-width:1200px;margin:0 auto;padding:0 16px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary-light)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{filter:brightness(.9)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}.badge-red{background:#ffebee;color:var(--primary)}.badge-green{background:#e8f5e9;color:var(--success)}.badge-orange{background:#fff3e0;color:var(--accent)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:60px auto}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:#333;color:#fff;padding:12px 20px;border-radius:8px;font-size:14px;animation:slideIn .3s ease;display:flex;align-items:center;gap:8px;max-width:320px;box-shadow:0 4px 16px #0003}.toast.success{background:var(--success)}.toast.error{background:var(--primary)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.product-grid{grid-template-columns:repeat(2,1fr);gap:12px}}@media (max-width: 480px){.product-grid{grid-template-columns:repeat(2,1fr);gap:8px}}