:root{--ink: #1a1a2e;--muted: #6b7280;--faint: #9ca3af;--line: #e9e9ee;--bg: #ffffff;--panel: #f4f4f7;--mine: #1a1a2e;--filed: #ecfdf3;--filed-ink: #05603a;--warn: #fff8e6;--warn-ink: #7a5c00;--error: #fdecea;--error-ink: #8a1c12;--radius: 14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}@media(prefers-color-scheme:dark){:root{--ink: #f2f2f5;--muted: #a0a0ac;--faint: #77778a;--line: #2a2a35;--bg: #121218;--panel: #1c1c24;--mine: #3a3a56;--filed: #10291f;--filed-ink: #6ee7b7;--warn: #2a2412;--warn-ink: #fcd34d;--error: #2c1614;--error-ink: #fca5a5}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer}input{font:inherit}.app{display:flex;flex-direction:column;height:100dvh;max-width:780px;margin:0 auto}.head{padding:14px 18px 8px;border-bottom:1px solid var(--line)}.head h1{font-size:22px;margin:0;letter-spacing:-.02em}.head p{margin:2px 0 0;font-size:12px;color:var(--faint)}.tabs{display:flex;border-top:1px solid var(--line);background:var(--bg);padding-bottom:env(safe-area-inset-bottom)}.tabs button{flex:1;background:none;border:0;padding:13px 4px;color:var(--muted);font-size:14px}.tabs button[aria-current=page]{color:var(--ink);font-weight:700}.body{flex:1;overflow-y:auto;padding:16px 18px}.thread{display:flex;flex-direction:column;gap:10px}.card{padding:11px 14px;border-radius:var(--radius);max-width:86%;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.card.mine{align-self:flex-end;background:var(--mine);color:#fff}.card.answer{align-self:flex-start;background:var(--panel)}.card.filed{align-self:flex-start;background:var(--filed);color:var(--filed-ink);font-size:14px}.card.system{align-self:flex-start;background:var(--warn);color:var(--warn-ink);font-size:14px}.card.error{align-self:flex-start;background:var(--error);color:var(--error-ink);font-size:14px}.card 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6px;font-size:26px;letter-spacing:-.02em}.auth p.sub{color:var(--muted);margin:0 0 20px;line-height:1.5}.field{display:block;margin-bottom:11px}.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.field input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}.modes{display:flex;gap:4px;padding:4px;margin-bottom:18px;border:1px solid var(--line);border-radius:12px}.mode{flex:1;padding:9px 12px;border:none;border-radius:9px;background:none;color:var(--muted);font-size:14px;cursor:pointer}.mode.on{background:var(--ink);color:var(--bg);font-weight:600}.mode:disabled{opacity:.5;cursor:default}.switch{font-size:13px;color:var(--muted);margin:14px 0 0;text-align:center}.linkish{border:none;background:none;padding:0;font:inherit;color:var(--ink);text-decoration:underline;cursor:pointer}.row{display:flex;gap:9px;margin-top:6px}.row .btn{flex:1}.btn{padding:12px 18px;border-radius:10px;border:1px solid var(--line);background:none;color:var(--ink)}.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}.btn:disabled{opacity:.5;cursor:default}.note{font-size:13px;color:var(--muted);line-height:1.5}.intro{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.intro h3{font-size:14px;margin:18px 0 7px}.intro h3:first-child{margin-top:0}.intro p{font-size:14px;color:var(--muted);line-height:1.6;margin:0 0 10px}.intro ul{margin:0 0 10px;padding-left:18px}.intro li{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:8px}.intro b{color:var(--ink);font-weight:600}.err{color:var(--error-ink);background:var(--error);padding:10px 13px;border-radius:10px;font-size:14px;margin:12px 0}.ok{color:var(--filed-ink);background:var(--filed);padding:10px 13px;border-radius:10px;font-size:14px;margin:12px 0}h3{font-size:15px;margin:22px 0 9px}h3:first-child{margin-top:4px}.item{padding:11px 0;border-bottom:1px solid var(--line)}.item .when{font-size:12px;color:var(--faint)}.item .what{margin-top:3px;line-height:1.45;overflow-wrap:anywhere}.item .kind{font-size:12px;color:var(--muted)}.item .more{margin-top:6px;padding:0;border:0;background:none;color:var(--muted);font-size:13px;text-decoration:underline}.item .more:hover{color:var(--ink)}.disclaimer{font-size:12px;color:var(--faint);margin-top:14px;line-height:1.5}table.counts{width:100%;border-collapse:collapse}table.counts td{padding:9px 0;border-bottom:1px solid var(--line)}table.counts td.n{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}