:root{--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #ffa657;--ok: #3fb950;--bad: #f85149;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5}.hero{text-align:center;padding:2.2rem 1rem .75rem}.hero h1{margin:0;font-size:2.3rem}.tagline{margin:.4rem auto;max-width:44rem}.tagline strong{color:var(--accent)}.privacy{color:var(--muted);font-size:.9rem}main{max-width:44rem;margin:0 auto;padding:0 1rem 3rem;display:flex;flex-direction:column;gap:1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem}.head{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.85rem;margin-bottom:.5rem}button{background:var(--accent);color:#2a1606;border:none;border-radius:6px;padding:.45rem .85rem;font-weight:600;cursor:pointer;font-size:.88rem}button:hover{filter:brightness(1.08)}.head button,#copy,#download{background:transparent;color:var(--text);border:1px solid var(--border)}button.primary{background:var(--accent);color:#2a1606;border:none}textarea{width:100%;min-height:11rem;resize:vertical;background:#0d1117;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.75rem;font-family:ui-monospace,Menlo,monospace;font-size:.85rem;line-height:1.5}textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}.status{margin-top:.5rem;font-size:.82rem;min-height:1.2em}.status.ok{color:var(--ok)}.status.err{color:var(--bad)}.controls .row{display:flex;gap:1rem;align-items:end;flex-wrap:wrap;margin-bottom:.7rem}.controls .row:last-child{margin-bottom:0}label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}.checks label{flex-direction:row;align-items:center;gap:.4rem;color:var(--text)}input[type=number],select{background:#0d1117;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.45rem;font-size:.9rem;min-width:8rem}input[type=checkbox]{accent-color:var(--accent)}footer{text-align:center;color:var(--muted);padding:2rem 1rem 3rem;font-size:.85rem}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}