:root{--bg:#fff;--fg:#0b0b0c;--muted:#6b7280;--border:#e5e7eb;--card:#fff;--btn:#f3f4f6;color-scheme:light}:root[data-theme=dark]{--bg:#0f1115;--fg:#e5e7eb;--muted:#9aa0aa;--border:#1f2430;--card:#151923;--btn:#1d2230;color-scheme:dark}@media (prefers-color-scheme:dark){:root[data-theme=auto]{--bg:#0f1115;--fg:#e5e7eb;--muted:#9aa0aa;--border:#1f2430;--card:#151923;--btn:#1d2230;color-scheme:dark}}#__next,body,html{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}.container{max-width:680px;margin:2rem auto;padding:0 1rem}.card{border:1px solid var(--border);background:var(--card);border-radius:12px;padding:12px}.markdown{line-height:1.55}.markdown :is(p,ul,ol){margin:.5rem 0}.markdown p:first-child{margin-top:0}.markdown p:last-child{margin-bottom:0}.markdown ol,.markdown ul{padding-left:1.1rem}.markdown li+li{margin-top:.25rem}.markdown h1,.markdown h2,.markdown h3{margin:.75rem 0 .5rem;line-height:1.25}.rac-btn{background:var(--btn);padding:8px 14px;font:inherit}.rac-btn,.rac-input{border:1px solid var(--border);color:var(--fg);border-radius:8px}.rac-input{background:var(--card);padding:8px 10px;width:100%}.rac-label{display:block;font-weight:600;margin-bottom:4px}.row{display:flex;gap:8px}@media (max-width:480px){.row{flex-direction:column}}.header{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:1rem}.header-title{font-size:1.4rem;font-weight:700}.msg{margin-bottom:12px}.msg-head{font-weight:600;margin-bottom:4px}.combobox-row{display:flex;gap:8px;align-items:center}.combobox .opt-desc{color:var(--muted);font-size:12px}