:root{--bg: #f4f6f4;--card: #ffffff;--ink: #17201a;--muted: #5d6b62;--accent: #0f5132;--accent-ink: #ffffff;--line: #dbe2dc;--error: #b42318;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}@media(prefers-color-scheme:dark){:root{--bg: #101512;--card: #19201b;--ink: #e6ece7;--muted: #9aa89f;--accent: #4fb286;--accent-ink: #0c1a12;--line: #2c3630;--error: #ff8a80}}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.bar{display:flex;justify-content:space-between;align-items:center;max-width:640px;margin:0 auto;padding:12px 16px}.brand{font-weight:700;color:var(--accent)}.card{max-width:640px;margin:16px auto;padding:20px 16px;background:var(--card);border:1px solid var(--line);border-radius:12px}.card.narrow{max-width:420px;margin-top:12vh}@media(max-width:680px){.card{margin:8px 16px}}h1{font-size:1.5rem;margin:0 0 16px}h2{font-size:1.05rem;margin:24px 0 8px}form{display:grid;gap:8px;margin-top:16px}label{font-size:.9rem;color:var(--muted)}input{font:inherit;font-size:16px;padding:12px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}button{font:inherit;font-weight:600;padding:12px 16px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);cursor:pointer}button:disabled{opacity:.6}button.link{background:none;color:var(--accent);padding:4px 0;font-weight:500}.list{list-style:none;padding:0;margin:0}.list li{padding:12px 0;border-bottom:1px solid var(--line)}.list a{color:var(--ink);font-weight:600;text-decoration:none}.back{display:inline-block;margin-bottom:8px;color:var(--accent);text-decoration:none}.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,Menlo,monospace;word-break:break-all}.error{color:var(--error)}