:root{--bg: #0f1115;--card: #181b22;--border: #2a2f3a;--text: #e7e9ee;--muted: #9aa3b2;--accent: #4c8dff;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.break{overflow-wrap:anywhere}.page{max-width:720px;margin:0 auto;padding:24px 16px calc(48px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px}.header h1{margin:0;font-size:20px}.subtitle{margin:2px 0 0;color:var(--muted);font-size:13px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.card h2{margin:0 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.meta{display:grid;grid-template-columns:80px 1fr;gap:6px 12px;margin:0 0 16px}.meta dt{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.meta dd{margin:0}.params{width:100%;border-collapse:collapse}.params th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:0 8px 6px 0;border-bottom:1px solid var(--border)}.params td{padding:8px 8px 8px 0;border-bottom:1px solid var(--border);vertical-align:top}.params tr:last-child td{border-bottom:none}.params td:first-child{color:var(--accent);width:35%}.empty,.hint{margin:0;color:var(--muted);font-size:13px}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;background:#22262f;border-radius:4px;padding:1px 5px}form{display:flex;flex-direction:column;gap:6px}label{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}label+input{margin-bottom:6px}input{width:100%;padding:11px 12px;background:#0f1218;border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:16px}input:focus{outline:none;border-color:var(--accent)}input::placeholder{color:#5c6577}.preview{margin:10px 0 0;padding:10px 12px;background:#0f1218;border:1px solid var(--border);border-radius:8px}.preview-label{display:block;font-family:system-ui,sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}button{margin-top:14px;padding:13px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer}button:disabled{background:#2f3644;color:#6d768a;cursor:not-allowed}