:root{--bg: #f6f7f9;--card: #ffffff;--ink: #16191d;--muted: #6b7280;--line: #e3e6ea;--accent: #2b6cb0;--ok: #12805c;--err: #b42318}@media(prefers-color-scheme:dark){:root{--bg: #111417;--card: #1a1e23;--ink: #e8eaed;--muted: #9aa3ad;--line: #2b3138;--accent: #6aa9e9;--ok: #4ade80;--err: #f87171}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:680px;margin:0 auto;padding:48px 20px 64px}header{margin-bottom:28px}h1{margin:0;font-size:28px;letter-spacing:-.02em}.sub{margin:4px 0 0;color:var(--muted);font-size:13px;letter-spacing:.04em;text-transform:uppercase}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px 22px;margin-bottom:18px}.card h2{margin:0 0 12px;font-size:15px;font-weight:600}.muted{color:var(--muted);font-size:13px}.err{color:var(--err);font-size:13px}.ok{color:var(--ok);font-weight:600}.empty{padding:12px 0 2px}dl{margin:0;display:grid;gap:8px}dl>div{display:flex;justify-content:space-between;gap:16px;align-items:baseline}dt{color:var(--muted);font-size:13px}dd{margin:0;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-align:right}form{display:flex;gap:8px;margin:14px 0 4px}input{flex:1;padding:9px 12px;font-size:14px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink)}input:focus{outline:2px solid var(--accent);outline-offset:-1px}button{padding:9px 16px;font-size:14px;font-weight:500;border:0;border-radius:7px;cursor:pointer;background:var(--accent);color:#fff}button:disabled{opacity:.45;cursor:default}.notes{list-style:none;margin:14px 0 0;padding:0}.notes li{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line)}.notes li span{flex:1;word-break:break-word}.notes time{color:var(--muted);font-size:12px;white-space:nowrap}.del{background:none;color:var(--muted);font-size:18px;line-height:1;padding:2px 6px;border-radius:5px}.del:hover{color:var(--err)}footer{margin-top:24px;color:var(--muted);font-size:13px}footer a{color:var(--accent)}