:root{color-scheme:light;font-family:Inter,Segoe UI,sans-serif;color:#1f2937;background-color:#f5f5f5;--primary: #d82b2b;--primary-dark: #b91f1f;--surface: #ffffff;--surface-muted: #f8f9fa;--border: #dee2e6;--text: #1f2937;--muted: #6c757d;--success: #1b7f46;--danger: #c23d3d;--warning: #ff9800;--accent: #e60005;--accent-dark: #b80004}*{box-sizing:border-box;font-family:inherit}body{margin:0;background:linear-gradient(180deg,#fff5f5,#f8f9fb 45%,#f3f4f7);color:var(--text)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--surface);padding:32px;border-radius:16px;width:100%;max-width:420px;box-shadow:0 12px 40px #0f172a1f;border:1px solid var(--border)}.login-card h1{margin-top:0}.login-card form{display:grid;gap:12px}.login-card input{padding:12px;border-radius:10px;border:1px solid #d7dbe7;background:#fff}.login-card button{background:var(--primary);border:none;color:#fff;padding:12px;border-radius:10px;cursor:pointer}.login-card button:hover{background:var(--primary-dark)}.shop-container{padding:24px;max-width:1200px;margin:0 auto}.shop-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;background:linear-gradient(135deg,var(--primary) 0%,#f05d5d 100%);border-radius:16px;padding:18px 22px;box-shadow:0 12px 28px #d82b2b47;color:#fff}.shop-header h1{margin:0;color:#fff}.shop-header p{margin:6px 0 0;color:#ffffffd9}.shop-header button{border:none;background:#ffffff29;color:#fff;padding:10px 16px;border-radius:12px;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.shop-header button:hover{background:#ffffff3d}.shop-search{width:100%;padding:12px 16px;border-radius:12px;border:1px solid #d7dbe7;background:#fff;font-size:15px;margin-bottom:16px;box-sizing:border-box;outline:none}.shop-search:focus{border-color:var(--primary);box-shadow:0 0 0 3px #d82b2b1f}.shop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.item-card{background:var(--surface);border-radius:16px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;min-height:160px;border:1px solid #eef0f6;box-shadow:0 8px 30px #0f172a14;transition:box-shadow .14s ease,transform .14s ease,border-color .14s ease}.item-card:hover{border-color:#e4e7ef;box-shadow:0 14px 30px #0f172a1a;transform:translateY(-1px)}.item-card h3{margin-bottom:6px}.item-card p{margin:4px 0}.item-actions{display:flex;align-items:center;gap:12px;margin-top:12px}.item-actions button{width:36px;height:36px;border-radius:10px;border:none;background:#ffe5e5;font-size:18px;cursor:pointer;color:var(--primary)}.item-actions button:hover{background:#ffd1d1}.checkout-panel{margin-top:24px;background:linear-gradient(135deg,#fff,#f3f6ff);padding:20px;border-radius:16px;display:flex;flex-wrap:wrap;gap:16px;box-shadow:0 10px 30px #0f172a14;border:1px solid var(--border)}.checkout-left{flex:1 1 280px}.checkout-right{flex:1 1 240px;display:grid;gap:12px}.checkout-right select,.checkout-right button{padding:12px;border-radius:10px;border:1px solid #d7dbe7;font:inherit}button.primary{background:var(--primary);color:#fff;border:none}button.primary:hover{background:var(--primary-dark)}button.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}button.secondary:hover{border-color:#cfd4da}.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;box-shadow:0 8px 20px #0f172a0f}.alert.error{background:#ffe8e8;color:#b12d2d;border:1px solid #f5c2c2}.alert.success{background:#e6fff0;color:#1a7d42;border:1px solid #bde7cc}.muted{color:var(--muted)}.loading{text-align:center;padding:24px}@media (max-width: 768px){.shop-header{flex-direction:column;align-items:flex-start;gap:12px}}