:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--page);font-synthesis:none;font-size:16px}
*{box-sizing:border-box}body{margin:0;display:flex;min-height:100dvh}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:4px}button{border:0;background:none}a{color:inherit}p{line-height:1.85}button[hidden],[hidden]{display:none!important}.sidebar{width:246px;flex-shrink:0;border-right:1px solid var(--line);padding:38px 25px 24px;display:flex;flex-direction:column;background:var(--sidebar);min-height:100dvh}.brand{display:flex;gap:12px;align-items:center;text-decoration:none}.brand span{font-size:26px;letter-spacing:5px;font-weight:650}.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:500;margin-top:4px}.side-caption{font-size:13px;color:var(--muted);margin:28px 0 35px}.nav-item{width:100%;display:flex;align-items:center;gap:12px;font-size:15px;border-radius:8px;padding:15px 13px;margin:6px 0;text-align:left}.nav-item.active{background:var(--soft);color:var(--ink);font-weight:600}.nav-item>span:first-child{font-size:23px;line-height:1}.nav-tail{margin-left:auto;font-size:12px;color:var(--muted);font-weight:400}.side-note{margin-top:78px;border-left:2px solid var(--border);padding-left:16px}.overline{font-size:11px;letter-spacing:1.8px;font-weight:600;color:var(--muted)}.side-note p{font-family:"Songti SC",SimSun,serif;font-size:22px;line-height:1.8;margin:15px 0}.side-note>span:last-child{font-size:12px;color:var(--muted)}.side-bottom{margin-top:auto;padding-top:70px}.plain{padding:0;text-decoration:none;font-size:13px;color:var(--muted)}.plain:hover{text-decoration:underline;color:var(--ink)}.side-bottom button{display:block;margin:18px 0;font-size:14px}.side-bottom p{font-size:12px;color:var(--muted);margin:32px 0 0}main{flex:1;min-width:0}.topbar{height:82px;padding:0 42px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:14px}.subtle{color:var(--muted);margin-left:12px}.help-button{color:var(--warning);font-size:13px;border:1px solid var(--warning-border);border-radius:30px;padding:10px 16px;background:var(--warning-bg)}.workspace{max-width:1380px;margin:auto;padding:45px 42px 24px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:38px}.chat-space{min-width:0}.chat-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:24px}h1{font-size:32px;letter-spacing:1px;font-family:"Songti SC",SimSun,serif;font-weight:500;margin:15px 0 12px}.chat-heading p{font-size:14px;color:var(--muted);margin:0}.mode-badge{font-size:12px;white-space:nowrap;padding:7px 11px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.conversation{min-height:250px;height:clamp(245px,36vh,560px);overflow-y:auto;scrollbar-width:thin;padding:10px 6px 16px 0;display:flex;flex-direction:column;gap:24px;overscroll-behavior:contain}.message{display:flex;align-items:flex-start;gap:12px}.avatar{width:32px;height:32px;flex-shrink:0;border-radius:10px}.bubble{max-width:90%;border:1px solid var(--line);border-radius:0 15px 15px 15px;padding:18px 21px;background:var(--surface)}.bubble p{font-size:15px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.9}.bubble .speaker{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:9px}.message.user{justify-content:flex-end}.message.user .bubble{background:var(--soft);border-color:var(--line);border-radius:15px 0 15px 15px}.message.notice .bubble{background:var(--warning-bg);border-color:var(--warning-border)}.suggestions{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 9px}.suggestions button{border:1px solid var(--line);background:var(--surface);border-radius:30px;padding:9px 13px;font-size:13px}.suggestions button:hover{border-color:var(--border)}.status{font-size:12px;color:var(--muted);margin:8px 0 12px;min-height:22px}.composer{border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:15px 16px;box-shadow:0 7px 25px var(--shadow)}.composer:focus-within{border-color:var(--focus);box-shadow:0 0 0 2px var(--focus-ring)}.composer textarea{resize:vertical;width:100%;border:0;min-height:64px;max-height:220px;line-height:1.7;background:transparent;color:var(--ink);font-size:15px;outline:none}.composer textarea::placeholder{color:var(--muted)}.composer-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:8px;gap:12px}.composer-bottom>span{font-size:11px;color:var(--muted)}.send{background:var(--action);color:var(--on-action);padding:10px 17px;border-radius:8px;font-size:14px}.send span{margin-left:14px}.under-composer{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;margin-top:13px}.disclaimer{text-align:center;font-size:11px;color:var(--muted);margin:24px 0 0}.right-panel{padding-top:8px}.ground-card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:23px 22px}.ground-card .overline{font-size:10px;letter-spacing:1.3px}.anchor-symbol{font-size:87px;line-height:1.35;font-weight:200;color:var(--muted);text-align:center;padding:10px 0 8px}.ground-card h2{font-family:"Songti SC",SimSun,serif;font-weight:500;font-size:23px;margin:10px 0}.ground-card p{font-size:14px;color:var(--muted);line-height:1.9;margin:12px 0 20px}.ground-card button{width:100%;border:1px solid var(--border);padding:11px 12px;border-radius:7px;font-size:14px;text-align:left}.ground-card button span{float:right}.ground-card small{display:block;font-size:11px;text-align:center;margin-top:14px;color:var(--muted)}.checkin{padding:27px 2px;border-bottom:1px solid var(--line)}.checkin h2{font-size:15px;font-weight:500;margin:15px 0}.moods{display:flex;gap:7px;flex-wrap:wrap}.moods button{padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:13px;background:var(--surface)}.moods button[aria-pressed=true]{border-color:var(--selected-border);background:var(--selected);color:var(--selected-ink)}.checkin p{font-size:12px;color:var(--muted);margin:15px 0 0}.boundary{padding:25px 2px}.boundary-title{display:flex;align-items:center;gap:8px}.boundary h2{font-size:14px;font-weight:600;margin:0}.boundary p{font-size:12px;color:var(--muted);margin:12px 0}.boundary .plain{font-size:12px}dialog{border:1px solid var(--line);border-radius:18px;padding:32px;width:min(540px,calc(100% - 30px));max-height:85dvh;color:var(--ink);box-shadow:0 20px 100px var(--shadow)}dialog::backdrop{background:var(--backdrop);backdrop-filter:blur(4px)}dialog h2{font-size:24px;margin-top:17px;line-height:1.5}dialog p{font-size:15px;color:var(--muted)}dialog .close{position:absolute;top:12px;right:14px;font-size:26px;width:36px;height:36px}dialog .primary,dialog .secondary{padding:12px 18px;border-radius:8px;font-size:14px}.primary{background:var(--action);color:var(--on-action)}.secondary{background:var(--soft);color:var(--ink)}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:22px;flex-wrap:wrap}.step-card,.support-text{background:var(--soft);border-radius:10px;padding:22px;margin:22px 0;line-height:1.8}.step-card>span{font-size:12px;letter-spacing:2px;color:var(--muted)}.step-card h3{font-size:21px}dialog label:not(.consent){display:block;margin:18px 0 8px;font-size:14px}dialog input:not([type=checkbox]){padding:12px;border:1px solid var(--border);border-radius:7px;width:100%;font-size:15px}dialog small{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:6px}.consent{display:flex;gap:10px;font-size:14px;line-height:1.8;margin-top:20px;align-items:flex-start}.consent input{margin-top:6px;width:17px;height:17px;flex-shrink:0}.protection-list{padding-left:25px}.protection-list li{padding:8px 0;font-size:15px}.protection-list span{display:block;color:var(--muted);font-size:14px;line-height:1.8;margin-top:5px}dialog a{font-size:13px}.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip:focus{position:fixed;width:auto;height:auto;clip:auto;z-index:5;background:var(--surface);padding:15px}.empty-note{font-size:13px}
@media(min-width:1500px){.workspace{padding-top:60px;gap:60px}.conversation{height:43vh}.sidebar{width:275px;padding-left:35px;padding-right:35px}}
@media(max-width:1150px){.sidebar{width:205px;padding:30px 18px}.workspace{padding:30px 25px;gap:25px;grid-template-columns:minmax(0,1fr) 225px}.topbar{padding:0 25px}.side-caption{font-size:12px}.ground-card{padding:20px 16px}}
@media(max-width:920px){.right-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:25px}.workspace{display:block;max-width:720px}.boundary{grid-column:1/-1;padding:0}.ground-card .anchor-symbol{display:none}.checkin{padding-top:15px}.conversation{height:320px}.side-note{margin-top:65px}.chat-heading h1{font-size:29px}}
@media(max-width:620px){body{display:block}.sidebar{width:100%;min-height:auto;padding:17px 20px;border-right:0;border-bottom:1px solid var(--line);display:flex;flex-direction:row;align-items:center;justify-content:space-between}.brand img{width:32px;height:32px}.brand span{font-size:22px}.brand small{font-size:8px;letter-spacing:1px}.sidebar nav{display:flex;gap:8px}.nav-item{padding:10px;font-size:13px;white-space:nowrap}.nav-tail,.side-caption,.side-note,.side-bottom,.nav-item>span:first-child{display:none}.topbar{height:63px;padding:0 20px;font-size:12px}.topbar .subtle{display:none}.help-button{font-size:12px;padding:8px 10px}.workspace{padding:28px 20px}.chat-heading{padding-bottom:18px}.chat-heading h1{font-size:27px}.overline{font-size:10px}.mode-badge{font-size:11px}.conversation{height:285px;min-height:240px}.bubble{padding:15px;max-width:92%}.bubble p{font-size:15px}.message{gap:8px}.avatar{width:27px;height:27px}.suggestions{gap:6px}.suggestions button{font-size:12px;padding:8px 10px}.composer-bottom>span{font-size:10px}.under-composer{font-size:10px}.right-panel{grid-template-columns:1fr;gap:15px}.ground-card{padding:22px}.ground-card h2{font-size:22px}.ground-card p{margin-bottom:15px}.checkin{padding-bottom:20px}.boundary{padding:10px 0}.disclaimer{font-size:10px}.status{font-size:11px}dialog{padding:28px 22px}dialog h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
#ground-dialog{width:min(660px,calc(100% - 30px))}.strategy-options{display:flex;flex-wrap:wrap;gap:8px}.strategy-options button{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;text-align:left}.strategy-options button[aria-pressed=true]{background:var(--soft);border-color:var(--selected-border)}.personal-strategy{border-top:1px solid var(--line);margin-top:24px;padding-top:12px}#strategy-result{white-space:pre-wrap;overflow-wrap:anywhere}#step-when{font-weight:600}.personal-strategy button{margin:4px 4px 4px 0}
.nav-label{font-size:13px;color:var(--muted);margin:26px 12px 8px}.tool-nav{font-size:14px}.tool-nav small{margin-left:auto;font-size:12px;color:var(--muted)}.side-note{margin-top:42px}.conversation-label{font-size:14px;color:var(--muted);padding:12px 0;border-top:1px solid var(--line)}.chat-heading{padding-bottom:16px}.chat-heading .overline{font-size:14px;letter-spacing:0}.conversation{height:clamp(220px,30vh,460px);min-height:220px}.right-panel{display:flex;flex-direction:column;gap:20px}.checkin{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.checkin .overline{font-size:13px;letter-spacing:1px}.checkin h2{font-size:19px;font-weight:600;line-height:1.6;margin:10px 0}.checkin .checkin-intro{font-size:14px;margin:0 0 18px}.moods button{font-size:14px}.checkin .comfort-copy{font-size:16px;color:var(--ink);line-height:1.9;margin:20px 0}.small-step{border-left:3px solid var(--border);padding:2px 0 2px 14px;margin:18px 0}.small-step h3{font-size:14px;margin:0}.small-step p{font-size:14px;margin:8px 0 0}.support-actions{display:flex;flex-wrap:wrap;gap:8px}.support-actions button{border-radius:8px;padding:10px 12px;font-size:14px;line-height:1.5}.support-actions .plain{padding:8px 0;width:100%;text-align:left}#mood-note{font-size:13px}.ground-card{padding:20px}.ground-card h2{font-family:inherit;font-size:18px;font-weight:600;margin:0}.ground-card p{font-size:14px;margin:10px 0 15px}.boundary{padding:5px 2px}.practice-feedback{border-top:1px solid var(--line);padding-top:12px}.practice-feedback h3{font-size:17px}.practice-feedback p{font-size:13px}.bubble p,.composer textarea{font-size:16px}
@media(max-width:920px){.right-panel{display:flex}.checkin{order:0}.ground-card{order:1}.boundary{order:2}}
@media(max-width:620px){.nav-label,.tool-nav small{display:none}.sidebar nav{gap:2px}.nav-item{font-size:12px;padding:10px 7px}.workspace{padding:20px 16px}.checkin{padding:20px}.conversation{height:260px}.conversation-label{font-size:13px}.chat-heading h1{font-size:25px}.chat-heading .overline{font-size:13px}}
@media(min-width:921px){.workspace{grid-template-columns:minmax(0,1fr) 280px;gap:26px}.sidebar{position:sticky;top:0;height:100dvh;min-height:0;overflow-y:auto}.side-bottom{padding-top:25px}.side-bottom p{margin-top:20px}}
#settings-dialog{width:min(640px,calc(100% - 30px))}#settings-dialog select{width:100%;padding:12px;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--ink);font:inherit}#load-models{margin-top:10px;padding:10px 14px;border-radius:8px}.connection-advanced{margin-top:20px;border:1px solid var(--line);padding:14px;border-radius:8px}.connection-advanced summary{cursor:pointer;font-size:14px}.connection-destination{overflow-wrap:anywhere;background:var(--soft);border-radius:8px;padding:12px;font-size:13px!important}.mode-badge{max-width:190px;overflow:hidden;text-overflow:ellipsis}.connection-hint{font-size:14px!important}
#settings-dialog>.close{position:sticky;float:right;top:0;right:0;background:var(--surface);border-radius:50%;z-index:2}
.topbar-actions{display:flex;align-items:center;gap:14px}.account-button{border:1px solid var(--line);padding:9px 12px;border-radius:8px;background:var(--surface);font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#auth-dialog{width:min(560px,calc(100% - 30px))}#auth-dialog form{display:grid;gap:10px}#auth-dialog input{margin:0}#auth-dialog button:not(.close){padding:10px 14px;border-radius:8px}#auth-dialog .auth-status{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.auth-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.auth-tabs button{background:var(--soft)}.auth-mfa img{max-width:220px;width:100%;display:block;margin:12px auto}.auth-mfa code{overflow-wrap:anywhere}#settings-dialog .primary,#settings-dialog .secondary{margin:8px 0}#settings-dialog hr{border:0;border-top:1px solid var(--line);margin:22px 0}
@media(max-width:620px){.sidebar{flex-wrap:wrap;gap:12px;align-items:flex-start}.sidebar nav{width:100%;overflow-x:auto;flex-wrap:wrap}.sidebar .nav-item{width:auto;font-size:14px}.topbar{height:auto;min-height:68px;gap:12px;flex-wrap:wrap;padding:12px 16px}.topbar-actions{gap:8px}.account-button{font-size:13px;max-width:145px}.side-caption{display:none}#auth-dialog{max-height:90dvh}}

#auth-dialog .auth-mfa{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}#auth-dialog .auth-form+ .auth-form{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}#auth-dialog .auth-form textarea{width:100%;resize:vertical;min-height:90px;border:1px solid var(--border);border-radius:8px;padding:12px;color:var(--ink);background:var(--surface)}#auth-dialog small{display:block;color:var(--muted);font-size:12px;line-height:1.7}.qh-invite-result{margin:24px 0;padding:20px;border:1px solid var(--border);background:var(--soft);border-radius:12px}.qh-invite-result input{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font-family:monospace}.qh-invite-result button{margin-top:12px}

/* Audit: visible focus, readable secondary copy and persistent mobile navigation. */
.auth-tabs button.primary{background:var(--action);color:var(--on-action)}#auth-dialog .auth-tabs button{min-height:44px}
.overline,.side-bottom p,.subtle,.nav-tail,.bubble .speaker,.disclaimer,.composer-bottom>span,.composer textarea::placeholder{color:var(--muted)}.side-note p{font-size:20px}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:3px;box-shadow:0 0 0 2px var(--surface)}
dialog .close{width:44px;height:44px}
@media(max-width:620px){.plain,.suggestions button,.moods button,.nav-item{min-height:44px;padding:8px 4px}.sidebar{position:sticky;top:0;z-index:5;background:var(--sidebar)}.sidebar nav{flex-wrap:nowrap}.sidebar .nav-item{flex-shrink:0}.skip:focus{z-index:10}}