:root{--bg: #f5f5f7;--surface: #ffffff;--surface-2: #fbfbfd;--border: #d2d2d7;--border-2: #e5e5ea;--text: #1d1d1f;--text-2: #6e6e73;--muted: #86868b;--accent: #0071e3;--accent-hi: #0077ed;--success: #00a86b;--warning: #ff9f0a;--danger: #ff3b30;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 12px rgba(0,0,0,.06);--shadow-lg: 0 10px 30px rgba(0,0,0,.08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--h: 44px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 12px;font-weight:600;letter-spacing:-.01em}h1{font-size:26px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 12px}.page{padding:20px;max-width:1100px;margin:0 auto}.page-narrow{max-width:680px}.stack>*+*{margin-top:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row-end{margin-left:auto}.grid-products{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.card{background:var(--surface);border:1px solid var(--border-2);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:6px}.input,.select,.textarea{width:100%;height:var(--h);padding:0 12px;font-family:inherit;font-size:15px;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;transition:border-color .15s,box-shadow .15s}.textarea{height:auto;min-height:90px;padding:10px 12px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0071e326}.checkbox{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.field{margin-bottom:16px}.field-error{color:var(--danger);font-size:13px;margin-top:6px}.field-help{color:var(--text-2);font-size:13px;margin-top:6px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:var(--h);padding:0 18px;font-family:inherit;font-size:15px;font-weight:500;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:background .12s,border-color .12s,transform .02s;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover{background:var(--surface-2)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hi);border-color:var(--accent-hi)}.btn-danger{background:#fff;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#fff0ef}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover{background:var(--border-2)}.btn-sm{height:34px;padding:0 12px;font-size:13px}.btn-block{width:100%}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border-2);vertical-align:top}.table th{font-size:12px;font-weight:500;color:var(--text-2);background:var(--surface-2)}.table tr:hover td{background:var(--surface-2)}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:500;background:var(--border-2);color:var(--text-2)}.badge-success{background:#d1f4e0;color:#1a7c43}.badge-warning{background:#ffeccc;color:#a05a00}.badge-danger{background:#ffd7d4;color:#b22620}.badge-info{background:#d2e7ff;color:#0056b3}.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:14px;border:1px solid transparent}.alert-error{background:#fff0ef;color:#b22620;border-color:#ffcfcc}.alert-success{background:#e9faf0;color:#1a7c43;border-color:#c8edd7}.alert-info{background:#eef5ff;color:#0056b3;border-color:#cde0ff}.nav{position:sticky;top:0;z-index:10;background:#ffffffe6;-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--border-2);padding:10px 20px;display:flex;align-items:center;gap:16px}.nav-brand{font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}.nav-brand img{height:28px}.nav-links{display:flex;gap:4px;align-items:center;flex:1;flex-wrap:wrap}.nav-link{padding:6px 12px;border-radius:var(--radius-sm);color:var(--text-2);font-size:14px;text-decoration:none}.nav-link:hover,.nav-link.active{background:var(--border-2);color:var(--text);text-decoration:none}.muted{color:var(--text-2)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:24px;max-width:560px;width:100%;box-shadow:var(--shadow-lg);max-height:90vh;overflow:auto}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:400px;background:var(--surface);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.product-card{background:var(--surface);border:1px solid var(--border-2);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.product-image{aspect-ratio:4 / 3;background:var(--surface-2);background-size:cover;background-position:center}.product-body{padding:14px;flex:1;display:flex;flex-direction:column}.product-name{font-weight:600;margin-bottom:4px}.product-price{color:var(--accent);font-weight:600}.product-desc{color:var(--text-2);font-size:13px;margin:6px 0 12px}.product-out{color:var(--danger);font-size:13px}.cart-fab{position:fixed;right:20px;bottom:20px;height:56px;padding:0 20px;border-radius:999px;background:var(--accent);color:#fff;border:none;box-shadow:var(--shadow-lg);font-size:15px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:10px;z-index:20}.cart-drawer{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:420px;background:var(--surface);box-shadow:var(--shadow-lg);z-index:110;display:flex;flex-direction:column}.cart-drawer-header{padding:18px 20px;border-bottom:1px solid var(--border-2);display:flex;align-items:center}.cart-drawer-body{padding:18px 20px;flex:1;overflow:auto}.cart-drawer-foot{padding:18px 20px;border-top:1px solid var(--border-2);background:var(--surface-2)}.cart-line{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-2)}.cart-line:last-child{border-bottom:none}.qty-ctrl{display:inline-flex;align-items:center;gap:6px}.qty-ctrl button{width:30px;height:30px;border-radius:6px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:16px}.qty-ctrl button:disabled{opacity:.4;cursor:not-allowed}.qty-ctrl input{width:44px;text-align:center;height:30px;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:14px}@media (max-width: 640px){.page{padding:14px}.nav{padding:10px 14px;gap:8px}h1{font-size:22px}body{font-size:14px}}