:root{--lime:#7cc242;--lime-d:#4f8f1f;--bg:#fbfbf8;--ink:#1d1d1f;--mute:#6e6e73}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:16px/1.5 -apple-system,Segoe UI,Roboto,sans-serif}.top{padding:14px 20px}.brand{color:var(--ink);align-items:center;gap:10px;font-size:18px;font-weight:600;text-decoration:none;display:flex}.brand b{color:var(--lime-d)}.wrap{max-width:820px;margin:0 auto;padding:0 20px}h1{margin:8px 0 4px;font-size:34px}.lead{color:var(--mute);margin:0 0 20px}.card{background:#fff;border:1px solid #e8eee0;border-radius:20px;margin:18px 0;padding:22px;box-shadow:0 2px 12px #4f8f1f0f}.card h2{margin:0 0 14px;font-size:20px}.row{flex-wrap:wrap;gap:10px;margin-bottom:10px;display:flex}input,select{font:inherit;background:#fff;border:1px solid #d5dccd;border-radius:12px;padding:10px 12px}input{flex:1;min-width:200px}input:focus,select:focus{outline:2px solid var(--lime);border-color:var(--lime)}.btn{font:inherit;cursor:pointer;border:1px solid var(--lime);border-radius:999px;padding:9px 16px;font-weight:600}.btn.primary{background:var(--lime);color:#fff;border-color:var(--lime-d)}.btn.primary:hover{background:var(--lime-d)}.btn.ghost{color:var(--lime-d);background:#fff}.btn.ghost:hover{background:#f2f9ea}.btn.sm{padding:3px 10px;font-size:13px}.helpers .btn{padding:6px 12px;font-size:14px}.err{color:#c0392b;min-height:1.2em;margin:4px 0}.out{grid-template-columns:150px 1fr;gap:8px 14px;margin:0;display:grid}.out dt{color:var(--mute)}.out dd{word-break:break-all;margin:0}code{background:#f2f9ea;border-radius:6px;padding:2px 6px}.note{color:var(--mute);text-align:center}footer{text-align:center;color:var(--mute);padding:24px;font-size:14px}footer a{color:var(--lime-d)}@media (width<=560px){.out{grid-template-columns:1fr}.out dt{font-size:13px}}.hint{opacity:.8;margin:.25rem 0 .75rem;font-size:.9rem}.field{flex-direction:column;gap:.25rem;display:flex}.field-label{text-transform:uppercase;letter-spacing:.04em;opacity:.75;font-size:.8rem;font-weight:600}.field-label .fmt{text-transform:none;font-weight:500}