:root{--bg: #ffffff;--bg-soft: #f6f7f9;--border: #e7e8ec;--text: #1c1d1f;--text-dim: #8a8d93;--user-bubble: #2f6df6;--user-text: #ffffff;--assistant-bubble: #f1f2f4;--assistant-text: #1c1d1f;--accent: #2f6df6;--chip-bg: #f1f2f4;--chip-bg-hover: #e7e8ec;--danger: #e0594b;--code-bg: #f0f1f4;--shadow: 0 6px 24px rgba(0, 0, 0, .12);--maxw: 760px}[data-theme=dark]{--bg: #1c1c1e;--bg-soft: #141416;--border: #2e2f33;--text: #f1f2f5;--text-dim: #9a9da3;--user-bubble: #2f6df6;--user-text: #ffffff;--assistant-bubble: #2b2c30;--assistant-text: #f1f2f5;--accent: #4d86ff;--chip-bg: #2b2c30;--chip-bg-hover: #36373c;--danger: #ef6759;--code-bg: #2b2c30;--shadow: 0 6px 24px rgba(0, 0, 0, .5)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.layout{display:flex;height:100dvh;overflow:hidden}.chat{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}.backdrop{display:none}.sidebar{flex:0 0 264px;width:264px;background:var(--bg-soft);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:12px;gap:10px}.sidebar__head{display:flex;align-items:center;padding:6px 6px 0}.sidebar__brand{font-weight:700;font-size:16px}.sidebar__new{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;padding:10px 12px;font-size:14px;font-weight:600;cursor:pointer;text-align:left}.sidebar__new:hover{background:var(--chip-bg-hover)}.newchat{position:relative}.newchat__caret{opacity:.55}.newchat__menu{position:absolute;left:0;right:0;top:calc(100% + 4px);background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:10;display:flex;flex-direction:column;gap:2px}.newchat__item{display:flex;align-items:center;gap:10px;text-align:left;border:none;background:transparent;color:var(--text);cursor:pointer;padding:8px 10px;border-radius:9px}.newchat__item:hover{background:var(--chip-bg)}.newchat__emoji{font-size:22px;flex:0 0 auto}.newchat__text{display:flex;flex-direction:column;line-height:1.35;font-size:14px}.newchat__desc{color:var(--text-dim);font-size:12px}.session__emoji{margin-right:5px}.sidebar__list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.session{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:9px;cursor:pointer;color:var(--text-dim)}.session:hover{background:var(--chip-bg);color:var(--text)}.session--active{background:var(--chip-bg);color:var(--text);font-weight:600}.session__title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}.session__actions{display:flex;gap:2px;opacity:0}.session:hover .session__actions,.session--active .session__actions{opacity:1}.session__btn{border:none;background:transparent;cursor:pointer;font-size:13px;padding:2px 4px;border-radius:6px;color:var(--text-dim)}.session__btn:hover{background:var(--chip-bg-hover)}.topbar{display:flex;align-items:center;gap:8px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--border);background:var(--bg)}.topbar__title{flex:1;font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}.topbar__menu{display:none}.icon-btn{border:none;background:transparent;cursor:pointer;font-size:18px;width:38px;height:38px;border-radius:9px;color:var(--text)}.icon-btn:hover{background:var(--chip-bg)}.messages{flex:1;overflow-y:auto;padding:18px 16px 8px;display:flex;flex-direction:column;gap:12px;width:100%;max-width:var(--maxw);margin:0 auto}.messages--empty{justify-content:center;align-items:center}.empty{text-align:center;color:var(--text-dim);padding:0 24px}.empty__emoji{font-size:52px}.empty__title{font-size:20px;font-weight:700;color:var(--text);margin-top:8px}.empty__sub{font-size:14px;margin-top:8px;line-height:1.6}.row{display:flex;flex-direction:column;max-width:100%}.row--user{align-items:flex-end}.row--assistant{align-items:flex-start}.bubble{max-width:85%;padding:10px 14px;border-radius:16px;font-size:15.5px;line-height:1.6;word-break:break-word}.bubble--user{background:var(--user-bubble);color:var(--user-text);border-bottom-right-radius:5px;white-space:pre-wrap}.bubble--assistant{background:var(--assistant-bubble);color:var(--assistant-text);border-bottom-left-radius:5px}.msg-actions{display:flex;gap:6px;margin:4px 4px 0}.msg-actions__btn{border:none;background:transparent;color:var(--text-dim);font-size:12.5px;cursor:pointer;padding:3px 6px;border-radius:6px}.msg-actions__btn:hover{background:var(--chip-bg);color:var(--text)}.typing{display:inline-flex;gap:4px;padding:4px 0}.typing i{width:7px;height:7px;border-radius:50%;background:var(--text-dim);animation:blink 1.2s infinite both}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:.5em 0}.md h1,.md h2,.md h3,.md h4{margin:.7em 0 .4em;line-height:1.3;font-weight:700}.md h1{font-size:1.25em}.md h2{font-size:1.18em}.md h3{font-size:1.08em}.md ul,.md ol{margin:.4em 0;padding-left:1.3em}.md li{margin:.25em 0}.md code{background:var(--code-bg);padding:1px 5px;border-radius:5px;font-size:.9em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.md pre{background:var(--code-bg);padding:10px 12px;border-radius:10px;overflow-x:auto}.md pre code{background:transparent;padding:0}.md blockquote{margin:.5em 0;padding-left:12px;border-left:3px solid var(--border);color:var(--text-dim)}.md a{color:var(--accent)}.md table{border-collapse:collapse;margin:.5em 0;font-size:.95em;display:block;overflow-x:auto}.md th,.md td{border:1px solid var(--border);padding:6px 10px;text-align:left}.md hr{border:none;border-top:1px solid var(--border);margin:.8em 0}.quick{display:flex;flex-wrap:wrap;gap:8px;padding:8px 16px 4px;width:100%;max-width:var(--maxw);margin:0 auto}.quick__chip{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:999px;padding:7px 13px;font-size:13.5px;cursor:pointer}.quick__chip:hover{background:var(--chip-bg)}.composer{display:flex;flex-direction:column;gap:8px;padding:10px 14px;padding-bottom:max(10px,env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg);width:100%;max-width:var(--maxw);margin:0 auto}.composer__row{display:flex;align-items:flex-end;gap:8px}.attach{position:relative;width:84px}.attach__thumb{width:84px;height:84px;object-fit:cover;border-radius:10px;display:block;border:1px solid var(--border)}.attach__x{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;border:2px solid var(--bg);background:var(--danger);color:#fff;cursor:pointer;font-size:12px;line-height:1;padding:0}.msg-img{max-width:220px;max-height:240px;border-radius:10px;display:block}.msg-text{margin-top:6px;white-space:pre-wrap}.msg-img-gone{font-size:13px;color:var(--text-dim);padding:14px 16px;border:1px dashed var(--border);border-radius:10px;text-align:center}.bubble--user .msg-text:only-child{margin-top:0}.composer__input{flex:1;resize:none;border:1px solid var(--border);outline:none;background:var(--bg-soft);color:var(--text);border-radius:14px;padding:10px 14px;font-size:16px;line-height:1.4;max-height:140px;font-family:inherit}.composer__input:focus{border-color:var(--accent)}.composer__input::placeholder{color:var(--text-dim)}.mic-btn,.send-btn{border:none;cursor:pointer;border-radius:12px;height:44px;flex:0 0 auto}.mic-btn{width:44px;font-size:19px;background:var(--chip-bg)}.mic-btn--on{background:var(--danger);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.55}}.send-btn{padding:0 18px;font-size:15px;font-weight:600;color:#fff;background:var(--accent)}.send-btn:disabled{opacity:.4;cursor:default}.send-btn--stop{background:var(--danger)}.icon-toggle{border:none;cursor:pointer;border-radius:12px;height:44px;width:44px;flex:0 0 auto;font-size:18px;background:var(--chip-bg);opacity:.85}.icon-toggle:hover{background:var(--chip-bg-hover);opacity:1}.icon-toggle--on{background:var(--accent);opacity:1;box-shadow:0 0 0 2px #2f6df64d}.icon-toggle--rec{background:var(--danger);opacity:1;animation:pulse 1s infinite}.badge--unknown{background:#8a8d932e;color:var(--text-dim)}.viewtabs{flex:1;display:flex;justify-content:center;gap:4px}.viewtab{border:none;background:transparent;color:var(--text-dim);font-size:14px;font-weight:600;padding:6px 14px;border-radius:999px;cursor:pointer}.viewtab:hover{background:var(--chip-bg)}.viewtab.is-active{background:var(--chip-bg);color:var(--text)}.dash{flex:1;overflow-y:auto;padding:16px 14px 24px;width:100%;max-width:var(--maxw);margin:0 auto;display:flex;flex-direction:column;gap:12px}.dash__msg{color:var(--text-dim);text-align:center;padding:40px 0}.dash__tip{font-size:13px;line-height:1.5;padding:4px 2px}.muted{color:var(--text-dim)}.card{background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:14px 16px}.card__title{font-weight:700;font-size:15px;margin-bottom:10px}.card--profile{display:flex;align-items:center;gap:12px}.card__emoji{font-size:38px;line-height:1}.card__pinfo{flex:1;min-width:0}.card__name{font-weight:700;font-size:17px}.card__pinfo .muted{font-size:12.5px;margin-top:2px}.card__weight{font-size:14px;color:var(--text-dim);white-space:nowrap}.card__weight b{font-size:20px;color:var(--text)}.duerow{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--border)}.duerow:first-of-type{border-top:none}.duerow__label{flex:1;font-size:14.5px}.duerow__date{font-size:13.5px;color:var(--text-dim);font-variant-numeric:tabular-nums}.badge{font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}.badge--ok{background:#6fae5f2e;color:#4e8c3f}.badge--soon{background:#e6aa2833;color:#b8860b}.badge--overdue{background:#e0594b2e;color:var(--danger)}[data-theme=dark] .badge--ok{color:#7fc96a}[data-theme=dark] .badge--soon{color:#e0b54b}.weight-head{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}.weight-now{font-size:22px;font-weight:700}.weight-delta{font-size:13px;font-weight:600}.weight-delta.is-up{color:#4e8c3f}.weight-delta.is-down{color:var(--danger)}.spark{display:block}.spark-hint{font-size:13px;padding:8px 0}.weight-range{font-size:12px;margin-top:6px}@media(max-width:820px){.topbar__menu{display:inline-flex}.sidebar{position:fixed;top:0;bottom:0;left:0;z-index:30;transform:translate(-100%);transition:transform .25s ease;box-shadow:var(--shadow)}.layout[data-drawer=open] .sidebar{transform:translate(0)}.layout[data-drawer=open] .backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:20}}.gate{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.gate-card{width:100%;max-width:320px;display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 28px;border:1px solid var(--border);border-radius:18px;background:var(--bg-soft);box-shadow:var(--shadow);text-align:center}.gate-emoji{font-size:40px;line-height:1}.gate-title{margin:0;font-size:19px;font-weight:650;color:var(--text)}.gate-sub{margin:0;font-size:14px;color:var(--text-dim)}.gate-input{width:100%;margin-top:6px;padding:11px 14px;font-size:15px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:11px;outline:none;box-sizing:border-box}.gate-input:focus{border-color:var(--accent)}.gate-err{margin:0;font-size:13px;color:var(--danger)}.gate-btn{width:100%;padding:11px 14px;font-size:15px;font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:11px;cursor:pointer}.gate-btn:disabled{opacity:.5;cursor:not-allowed}