:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;color:#203b33;background:#f4f5f0;font-synthesis:none;--green:#24644d;--line:#dce2d9;--muted:#79867c}
*{box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{margin:0;height:100dvh;display:flex;flex-direction:column}
button,input,select{font:inherit}button,select,label[for]{cursor:pointer}input{cursor:text}
button:disabled{opacity:.45;cursor:not-allowed}
button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid #72985f;outline-offset:3px}
button:hover:not(:disabled){filter:brightness(.97)}[hidden]{display:none!important}
header{width:100%;max-width:1440px;flex:0 0 84px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 36px;border-bottom:1px solid var(--line);gap:16px}
.brand{display:flex;gap:13px;align-items:center;font-weight:650;font-size:19px;flex-shrink:0}
.brandmark{width:42px;height:42px;border:1px solid #658a73;border-radius:13px;display:grid;place-items:center;color:var(--green);font-size:23px}
.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:5px;color:var(--muted);font-weight:500}
.header-actions{display:flex;align-items:center;gap:16px;min-width:0}
.health{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.health i{width:7px;height:7px;flex-shrink:0;border-radius:50%;background:#b5bfae}
.health.online i{background:#4b9470;box-shadow:0 0 0 4px #e5eddf}
#settingsToggle,#settingsClose{display:none}
main{width:100%;max-width:1440px;flex:1;min-height:0;padding:24px 36px 20px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;overflow:hidden}
.conversation{min-width:0;min-height:0;display:flex;flex-direction:column}
.chat-area{position:relative;flex:1;min-height:0;display:flex}
.messages{flex:1;min-width:0;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;overflow-anchor:none;padding:4px 12px 20px 2px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#c8d4c5 transparent}
.empty{min-height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:20px 0}
.empty h2{font-size:18px;font-weight:500;margin:20px 0 12px}.empty p{font-size:13px;line-height:1.9;color:#8b978d;margin:0}
.waves{height:34px;display:flex;gap:5px;align-items:center}.waves i{width:4px;background:#809d7b;border-radius:3px;height:14px}.waves i:nth-child(2),.waves i:nth-child(4){height:25px}.waves i:nth-child(3){height:36px}
.message{margin:18px 0;max-width:94%}.message.user{margin-left:auto}.message .who{font-size:10px;color:#8a9689;margin:0 0 7px;letter-spacing:1px}.message.user .who{text-align:right}
.bubble{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.85;background:white;padding:16px 20px;border:1px solid #e5e9df;border-radius:15px 15px 15px 3px}
.user .bubble{background:#e7ede1;border-color:#dae4d3;border-radius:15px 15px 3px 15px}
.latest{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);border:1px solid #c5d3bf;border-radius:20px;padding:9px 16px;background:#fff;color:var(--green);font-size:12px;box-shadow:0 3px 12px #203b3315;white-space:nowrap}
.controls{flex-shrink:0;border-top:1px solid var(--line);padding-top:12px}
.statusline{font-size:11px;color:#7a897a;display:flex;align-items:center;gap:7px;margin-bottom:10px;min-height:20px}.statusline>span:first-child{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:#a7b1a1}.statusline.active>span:first-child{background:#4a8a56;box-shadow:0 0 0 4px #e1e9d8}#elapsed{margin-left:auto;font-variant-numeric:tabular-nums;white-space:nowrap}
.microw{display:flex;align-items:center;gap:9px}.primary{border:0;background:var(--green);color:white;padding:13px 20px;border-radius:9px;font-size:13px;box-shadow:0 4px 12px #244d3514;white-space:nowrap}.primary.recording{background:#855443}.secondary{border:1px solid #d3ddcd;background:transparent;color:#6c8068;border-radius:9px;padding:12px;font-size:12px;white-space:nowrap}
.meter{height:4px;flex:1;max-width:95px;background:#dfe6d9;border-radius:4px;margin-left:auto;overflow:hidden}.meter div{height:100%;width:0;background:#5b8c5c;transition:width .1s}
.textform{margin-top:12px;background:#fff;border:1px solid #dce3d6;display:flex;border-radius:9px;padding:5px}.textform input{min-width:0;flex:1;border:0;outline:0;padding:11px;background:transparent;font-size:13px}.textform:focus-within{border-color:#72985f;box-shadow:0 0 0 2px #72985f20}.textform input::placeholder{color:#a6afa0}.textform button{background:#f0f3eb;border:0;border-radius:6px;padding:0 16px;font-size:12px;color:#526d4c;white-space:nowrap}
.footnote{font-size:10px;color:#98a08f;line-height:1.7;margin-top:8px}
aside{min-height:0;min-width:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c8d4c5 transparent;border-left:1px solid var(--line);padding:0 12px 20px 26px}
.paneltop{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.panel-actions{display:flex;gap:18px}.eyebrow{color:#7e8b7c;font-size:10px;letter-spacing:2px;font-weight:600}.textbutton{font-size:11px;padding:3px 0;background:none;border:0;color:#728466}
.mode-description{font-size:12px;line-height:1.8;margin:0;color:#52764a}.mode-hint{margin-bottom:20px!important}
.field{display:block;font-size:11px;color:#75836b;margin-bottom:20px}.field select{display:block;width:100%;margin-top:9px;border:1px solid #d8e0d1;background:#f9faf6;padding:10px;color:#4c6344;font-size:12px;border-radius:7px}
.hint{display:block;font-size:10px;color:#87937f;line-height:1.7;margin:5px 0 0}
.upload{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:19px 0;margin:14px 0 23px}.upload label{color:#5a7950;font-size:12px;display:flex;justify-content:space-between}
.runtime>div{display:flex;justify-content:space-between;font-size:11px;color:#86927c;margin:14px 0}.runtime strong{font-weight:500;color:#627757;font-variant-numeric:tabular-nums}.runtime .total{border-top:1px dashed #d5decc;padding-top:12px}
.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#304437;color:white;border-radius:9px;max-width:90vw;padding:14px 22px;font-size:13px;z-index:30;box-shadow:0 5px 22px #0002}
.settings-backdrop{position:fixed;inset:0;background:#203b3340;border:0;z-index:10}
@media(max-width:1050px){header{padding:0 24px}main{padding:18px 24px;gap:22px;grid-template-columns:minmax(0,1fr) 260px}aside{padding-left:20px}}
@media(max-width:760px){header{flex-basis:70px;padding:0 16px}.brand{font-size:16px;gap:9px}.brandmark{width:36px;height:36px;font-size:20px}.brand small{font-size:8px}.header-actions{gap:12px}.health span{display:none}#settingsToggle,#settingsClose{display:block}main{display:flex;padding:12px 16px max(12px,env(safe-area-inset-bottom))}.conversation{flex:1}.messages{padding-right:6px}.message{max-width:96%}.bubble{padding:13px 15px;font-size:14px}.footnote{font-size:9px}.textform input{font-size:16px}aside{display:none;position:fixed;right:0;top:0;bottom:0;width:min(360px,90vw);background:#f4f5f0;padding:24px;z-index:20;box-shadow:-5px 0 30px #203b3310}body.settings-open aside{display:block}.paneltop{position:sticky;top:-24px;background:#f4f5f0;padding:12px 0;z-index:1}.meter{max-width:60px}.empty p{font-size:12px}}
@media(max-height:550px){header{flex-basis:56px}.brandmark{height:32px;width:32px}main{padding-top:8px;padding-bottom:8px}.controls{padding-top:6px}.statusline{margin-bottom:5px}.primary,.secondary{padding:9px 12px}.textform{margin-top:7px}.textform input{padding:8px}.footnote{display:none}}

.nav-link{color:var(--green);text-decoration:none;font-size:13px;white-space:nowrap}.nav-link:hover{text-decoration:underline}.runtime summary{font-size:12px;color:#627757;cursor:pointer}