:root{--bg:#fff;--fg:#0b0f13;--muted:#6b7280;--border:#e5e7eb;--accent:#0a84ff;--radius:12px}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Arial,Apple Color Emoji,Segoe UI Emoji}.container{max-width:720px;margin:0 auto;padding:24px 12px}.card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:#fff}.muted{color:var(--muted)}.title{font-weight:700;margin:0}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 12px;cursor:pointer}.btn.primary{border-color:transparent;background:var(--accent);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed}.list{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px}.list .item{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:12px;padding:12px 14px;text-decoration:none;color:inherit;transition:transform .15s ease,background .2s ease}.list .item:hover{transform:translateY(-1px);background:#f8fafc}.subtitle{margin:6px 0 0;font-size:12px}@media (min-width:640px){.list{grid-template-columns:1fr 1fr}}