:root{--bg: #f4f6fa;--card: #ffffff;--text: #1c2430;--muted: #6b7686;--border: #dde2ea;--primary: #6b2fb3;--error: #c62828;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}.container{max-width:900px;margin:0 auto;padding:32px 16px}h1{font-size:1.6rem;margin:0 0 24px}.layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:720px){.layout{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}form{display:flex;flex-direction:column;gap:14px}label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}small{font-weight:400;color:var(--muted)}input,select{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--border);border-radius:8px}button,.button{font:inherit;font-weight:600;padding:11px 16px;border:0;border-radius:8px;background:var(--primary);color:#fff;cursor:pointer;text-align:center;text-decoration:none}button:disabled{opacity:.6;cursor:wait}.error{color:var(--error);margin:0}.result{display:flex;flex-direction:column;align-items:center;gap:14px}.result img{max-width:100%;height:auto}.placeholder{color:var(--muted);margin:auto}dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;width:100%}dt{color:var(--muted)}dd{margin:0;font-weight:600;word-break:break-all}details{width:100%;font-size:.85rem}details code{display:block;margin-top:8px;word-break:break-all;color:var(--muted)}