:root{color-scheme:dark;--bg: #0f1419;--surface: #1a2332;--border: #2d3a4f;--text: #e8edf5;--muted: #8b9cb3;--accent: #5b8def;--accent-hover: #7aa3f5;--success: #3ecf8e;--error: #f07178;font-family:DM Sans,system-ui,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at top,#1a2744 0%,var(--bg) 55%);color:var(--text)}a{color:var(--accent)}.layout{max-width:960px;margin:0 auto;padding:2rem 1.25rem 4rem}header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem}.brand{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.badge{font-size:.75rem;padding:.25rem .6rem;border-radius:999px;background:#5b8def26;color:var(--accent);border:1px solid rgba(91,141,239,.35)}.grid{display:grid;gap:1.25rem}@media(min-width:768px){.grid{grid-template-columns:1fr 1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.25rem 1.35rem}.card h2{margin:0 0 .35rem;font-size:1.05rem}.card p{margin:0 0 1rem;color:var(--muted);font-size:.9rem}.product{display:flex;gap:1rem;align-items:flex-start}.product-art{width:88px;height:88px;border-radius:12px;background:linear-gradient(135deg,#3d5a80,#5b8def);display:grid;place-items:center;font-size:2rem;flex-shrink:0}.product h3{margin:0 0 .25rem;font-size:1.1rem}.price{font-size:1.35rem;font-weight:700;margin:.5rem 0 1rem}label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem}input{width:100%;padding:.6rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit;margin-bottom:.85rem}input:focus{outline:2px solid rgba(91,141,239,.45);border-color:var(--accent)}.actions{display:flex;flex-direction:column;gap:.6rem}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600}button.primary{background:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:var(--accent-hover)}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button:disabled{opacity:.55;cursor:not-allowed}pre{margin:0;padding:.85rem;border-radius:8px;background:var(--bg);border:1px solid var(--border);font-size:.75rem;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.status{margin-top:.75rem;font-size:.85rem}.status.ok{color:var(--success)}.status.err{color:var(--error)}.hint{font-size:.8rem;color:var(--muted);margin-top:.75rem}.hint code{font-size:.78rem;background:var(--bg);padding:.1rem .35rem;border-radius:4px}