:root{--bg: #faf8f5;--surface: #ffffff;--border: #e5ded4;--text: #241f1a;--muted: #7a7169;--brand: #8a6d3b;--ok: #2e7d32;--warn: #b26a00;--danger: #c62828;--radius: 12px;--tabbar-h: 52px}@media (prefers-color-scheme: dark){:root{--bg: #17150f;--surface: #211e18;--border: #3a352c;--text: #f2ede5;--muted: #a49a8e;--brand: #d5ab63;--ok: #7cc47f;--warn: #e0a244;--danger: #ef7b7b}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}.app{min-height:100vh;display:flex;flex-direction:column;padding-bottom:var(--tabbar-h)}.app.center{justify-content:center;align-items:center;padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.brand{font-weight:700;color:var(--brand)}main{flex:1;padding:16px}main.main--chat{padding:0;display:flex;flex-direction:column}.stack{display:flex;flex-direction:column;gap:12px}h2{margin:0;font-size:20px}textarea,input{width:100%;padding:12px;font-size:16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-family:inherit}textarea.entry{min-height:120px;resize:vertical;line-height:1.6}button{padding:12px 16px;font-size:16px;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;min-height:44px}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}button.link{border:none;background:none;padding:4px 8px;min-height:auto;text-decoration:underline}button.danger{color:var(--danger)}.preview{border-radius:var(--radius);padding:12px;border:1px solid var(--border);background:var(--surface)}.preview--ok{border-left:4px solid var(--ok)}.preview--warn{border-left:4px solid var(--warn)}.preview__label{font-size:13px;color:var(--muted);margin-bottom:6px}.preview pre,pre{margin:0;white-space:pre-wrap;word-break:break-word;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.hint{color:var(--muted);font-size:14px;margin:0}.error{color:var(--danger);font-size:14px;margin:0}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;display:flex;flex-direction:column;gap:8px}.card__title{display:flex;justify-content:space-between;font-weight:600}.row{display:flex;justify-content:space-between;align-items:center}.row--gap{gap:8px;justify-content:flex-start}.row--gap>button{flex:1}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 12px;font-size:14px;border-radius:999px;min-height:38px}.chip--on{background:var(--brand);color:#fff;border-color:var(--brand)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border)}.tab{border:none;background:none;border-bottom:2px solid transparent;border-radius:0;padding:10px 12px}.tab--on{border-bottom-color:var(--brand);color:var(--brand);font-weight:600}.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:13px;color:var(--muted);font-weight:600}tfoot th{color:var(--text);font-weight:700;border-top:2px solid var(--border)}.num{text-align:right;font-variant-numeric:tabular-nums}.bar-cell{width:40%;min-width:80px}.bar{display:block;height:10px;border-radius:5px;background:var(--brand);min-width:2px}.summary{text-align:center;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.summary__label{color:var(--muted);font-size:14px}.summary__value{font-size:40px;font-weight:700;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}.summary__unit{color:var(--muted);font-size:14px}.taglist{display:flex;flex-wrap:wrap;gap:6px}.tag{padding:4px 10px;background:var(--bg);border:1px solid var(--border);border-radius:999px;font-size:14px}.tag em{color:var(--muted);font-style:normal;font-size:12px}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--surface);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.tabbar button{flex:1;border:none;border-radius:0;background:none;font-size:14px;padding:12px 4px}.tabbar button.on{color:var(--brand);font-weight:700}.chat{display:flex;flex-direction:column;flex:1}.chat__log{display:flex;flex-direction:column;gap:14px;padding:16px 16px 8px;flex:1}.chat__empty{text-align:center;color:var(--muted);padding:32px 16px;display:flex;flex-direction:column;gap:6px}.chat__empty p{margin:0}.chat__total{text-align:center;color:var(--muted);font-size:13px;margin:4px 0 0}.msg{display:flex;flex-direction:column;gap:5px}.msg__said{align-self:flex-end;max-width:88%;background:var(--brand);color:#fff;padding:9px 13px;border-radius:16px 16px 4px;white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.45;display:flex;gap:8px;align-items:flex-start}.msg__via{font-size:10px;font-weight:700;letter-spacing:.05em;background:#ffffff40;border-radius:4px;padding:1px 4px;align-self:center;flex:none}.msg__got{align-self:flex-start;max-width:92%;background:var(--surface);border:1px solid var(--border);border-radius:16px 16px 16px 4px;padding:9px 13px;display:flex;gap:8px;align-items:flex-start;font-size:14px;line-height:1.5}.msg__got--empty{border-style:dashed}.msg__icon{flex:none}.msg__lines{display:flex;flex-direction:column;gap:2px;min-width:0}.msg__date{color:var(--muted);font-style:normal;font-size:13px}.msg__undo{flex:none;align-self:center;color:var(--muted);font-size:13px}.msg__undo:hover{color:var(--danger)}.chat__compose{position:sticky;bottom:var(--tabbar-h);z-index:4;background:var(--surface);border-top:1px solid var(--border);padding:10px 12px;display:flex;flex-direction:column;gap:8px}.chat__row{display:flex;gap:8px;align-items:flex-end}.chat__row textarea{flex:1;min-height:44px;resize:none;border-radius:20px;padding:11px 14px;line-height:1.4}.chat__send{flex:none;border-radius:20px;padding:12px 18px}.msg__reply{margin:0;white-space:pre-wrap;word-break:break-word;font:12.5px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;max-width:100%;overflow-x:auto}.login{max-width:380px;width:100%}.login__steps{margin:0;padding-left:1.1rem;color:var(--muted);font-size:15px;display:flex;flex-direction:column;gap:6px}.login__steps strong{color:var(--text)}.login__code{font:700 28px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center;letter-spacing:.14em;padding:14px 12px;font-variant-numeric:tabular-nums}