:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e3e6ea;--text: #1a1f26;--muted: #6b7280;--accent: #0066cc}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.header__brand{font-weight:700;font-size:20px;letter-spacing:-.02em}.header__right{display:flex;align-items:center;gap:16px}.mode-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.mode-toggle__btn{border:none;background:transparent;padding:6px 16px;cursor:pointer;font-size:14px;color:var(--muted)}.mode-toggle__btn--active{background:var(--accent);color:#fff}.container{max-width:1040px;margin:0 auto;padding:32px 24px}.hero{text-align:center;padding:48px 0}.hero h1{font-size:40px;margin:0 0 8px;letter-spacing:-.03em}.hero p{color:var(--muted);font-size:18px}.brand-grid,.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.card--clickable{cursor:pointer;transition:box-shadow .15s ease}.card--clickable:hover{box-shadow:0 4px 16px #00000014}.card__category{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.card__title{font-size:18px;font-weight:600;margin:6px 0}.card__price{font-weight:700;font-size:18px}.btn{display:inline-block;border:none;border-radius:8px;background:var(--accent);color:#fff;padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:16px}.field{margin-bottom:16px}.label{display:block;font-size:14px;margin-bottom:6px;color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:480px;margin:0 auto}.embed-frame{border:2px dashed var(--accent);border-radius:12px;padding:8px}.embed-frame__chrome{font-size:12px;color:var(--muted);padding:4px 8px}.banner{background:#eef6ff;border:1px solid #cfe4ff;color:#0a4a8f;border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:14px}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.table th,.table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);font-size:14px;vertical-align:top}.table th{background:#fafbfc;font-weight:600}.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.pill--ok{background:#e7f7ed;color:#1b7f3b}.pill--warn{background:#fdeeee;color:#b42318}.muted{color:var(--muted)}.row-between{display:flex;align-items:center;justify-content:space-between}pre.payload{margin:0;white-space:pre-wrap;word-break:break-word;font-size:12px;max-width:420px}