/* A softer student chat surface; the school identity and all other routes keep their existing theme. */
body.student-companion-chat{
 --chat-paper:#fff8ef;--chat-white:#fff;--chat-ink:#30483d;--chat-muted:#5e7065;
 --chat-mint:#e8f3e4;--chat-peach:#fde9dd;--chat-line:#dce4d7;
 --chat-green:#376747;--chat-on-green:#fff;--chat-focus:#295bb0;--chat-danger:#9d3b32;
 background:var(--chat-paper);color:var(--chat-ink);
}
body.student-companion-chat ::selection{background:var(--chat-peach);color:var(--chat-ink);}
body.student-companion-chat.dazhi-campus.cute-reset .student-app>.sidebar{
 background:var(--chat-white)!important;border-right:1px solid var(--chat-line);box-shadow:none;
}
body.student-companion-chat.dazhi-campus.cute-reset .student-app>.workspace{background:var(--chat-paper);}
body.student-companion-chat.dazhi-campus.cute-reset .student-app .sidebar .brand{color:var(--chat-green)!important;border-bottom-color:var(--chat-line);}
body.student-companion-chat .student-app .sidebar .dz-brand-name small{color:var(--chat-muted);}
body.student-companion-chat.dazhi-campus.cute-reset .student-app .sidebar .nav-button{color:var(--chat-muted)!important;}
body.student-companion-chat.dazhi-campus.cute-reset .student-app .sidebar .nav-button:is([aria-current=page],.active){background:var(--chat-peach)!important;color:var(--chat-green)!important;box-shadow:none!important;}
body.student-companion-chat.dazhi-campus.cute-reset .student-app .sidebar .nav-button:hover{background:var(--chat-mint)!important;color:var(--chat-green)!important;}
body.student-companion-chat .student-app .sidebar-foot{border-color:var(--chat-line)!important;color:var(--chat-muted)!important;}
body.student-companion-chat .student-app .sidebar-foot .student-account-name{color:var(--chat-ink)!important;}
body.student-companion-chat .student-app .student-nav-divider{background:var(--chat-line);}
body.student-companion-chat .student-app .student-more-nav>summary{color:var(--chat-muted);}
body.student-companion-chat .student-app .student-more-nav>summary.active,body.student-companion-chat .student-app .student-more-nav[open]>summary{background:var(--chat-peach);color:var(--chat-green);}
.tutor-companion-page{max-width:1480px;margin-inline:auto;}
.tutor-companion-page :is(h1,h2,h3,p){color:var(--chat-ink);}
.tutor-companion-page .muted{color:var(--chat-muted);}
.tutor-companion-page .tutor-heading{margin-bottom:24px;gap:20px;align-items:center;}
.tutor-companion-intro{display:flex;align-items:center;gap:16px;min-width:0;}
.tutor-companion-intro>div{min-width:0;}
.tutor-heading-portrait{display:grid;place-items:center;flex:0 0 88px;width:88px;height:88px;background:var(--chat-peach);border-radius:24px;}
.tutor-heading-portrait img{display:block;width:100%;height:100%;object-fit:contain;padding:7px;}
.tutor-companion-title{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;}
.tutor-companion-page .tutor-heading h1{margin:0;font-size:28px!important;line-height:1.4;font-weight:700;}
.tutor-companion-tag{padding:3px 9px;font-size:12px;line-height:1.5;border-radius:7px;background:var(--chat-mint);color:var(--chat-green);white-space:nowrap;}
.tutor-companion-page .tutor-heading p{margin:8px 0 0;font-size:15px;line-height:1.65;}
.tutor-companion-page .tutor-heading>.btn{min-height:44px;padding:10px 16px;background:var(--chat-white);color:var(--chat-green);border:1px solid var(--chat-line);border-radius:14px;}
.tutor-companion-page .tutor-layout{grid-template-columns:208px minmax(0,1fr);gap:24px;}
body.student-companion-chat.dazhi-campus.cute-reset .tutor-history.panel{padding:16px 12px;background:transparent!important;border:0!important;box-shadow:none!important;}
.tutor-companion-page .tutor-history summary{min-height:44px;display:list-item;padding:8px 0;font-size:14px;color:var(--chat-muted);}
.tutor-companion-page .tutor-history summary span{color:var(--chat-muted);}
.tutor-companion-page .tutor-history-item{min-height:64px;margin-top:8px;padding:12px;background:transparent;border-radius:12px;color:var(--chat-ink);}
.tutor-companion-page .tutor-history-item.active{background:var(--chat-mint);}
.tutor-companion-page .tutor-history-item:hover{background:var(--chat-peach);}
.tutor-companion-page .tutor-history-item strong{font-size:14px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}
.tutor-companion-page .tutor-history-item small{font-size:12px;color:var(--chat-muted);}
body.student-companion-chat.dazhi-campus.cute-reset .tutor-conversation.panel{background:var(--chat-white)!important;border:1px solid var(--chat-line)!important;border-radius:24px!important;box-shadow:none!important;padding:0;}
.tutor-companion-page .tutor-context{background:var(--chat-peach);color:var(--chat-ink);font-size:14px;padding:12px 20px;margin:0;}
.tutor-companion-page .tutor-transcript{height:clamp(330px,48dvh,620px);padding:24px;scrollbar-color:var(--chat-line) transparent;scroll-padding:16px;}
.tutor-companion-page .tutor-turn{margin-bottom:24px;}
.tutor-companion-page .tutor-user{gap:8px;margin-bottom:18px;}
.tutor-companion-page .tutor-user>div{background:var(--chat-mint);border-radius:16px 16px 6px 16px;padding:12px 16px;max-width:84%;font-size:16px;line-height:1.7;}
.tutor-companion-page .tutor-user p{margin:0;}
.tutor-companion-page .tutor-speaker{color:var(--chat-muted);font-size:12px;line-height:1.5;margin-bottom:8px;}
.tutor-companion-page .tutor-user>.tutor-speaker{padding-top:13px;}
.tutor-companion-page .tutor-answer{gap:12px;align-items:flex-start;}
.tutor-companion-page .tutor-avatar{display:grid;place-items:center;width:48px;height:48px;flex:0 0 48px;background:var(--chat-peach);border-radius:16px;font-size:16px;}
.tutor-companion-page .tutor-avatar img{width:100%;height:100%;object-fit:contain;padding:3px;}
.tutor-companion-page .tutor-answer>div{flex:0 1 auto;max-width:calc(100% - 60px);}
.tutor-companion-page .tutor-answer-text{padding:14px 18px;background:var(--chat-paper);border-radius:6px 16px 16px 16px;color:var(--chat-ink);font-size:16px;line-height:1.8;}
.tutor-companion-page .tutor-answer-text br+br{display:block;margin-top:8px;content:'';}
.tutor-companion-page .tutor-answer-text .katex-display{margin:16px 0;max-width:100%;overflow-x:auto;overflow-y:hidden;}
.tutor-companion-page .tutor-thinking{display:flex;gap:10px;align-items:center;padding:12px 16px;background:var(--chat-paper);border-radius:16px;color:var(--chat-muted);font-size:14px;margin:0;}
.tutor-thinking-dots{display:flex;gap:4px;}
.tutor-thinking-dots i{display:block;width:5px;height:5px;background:var(--chat-green);border-radius:50%;animation:tutor-dot 1.2s ease-in-out infinite;}
.tutor-thinking-dots i:nth-child(2){animation-delay:.15s;}.tutor-thinking-dots i:nth-child(3){animation-delay:.3s;}
@keyframes tutor-dot{0%,80%,100%{opacity:.35;}40%{opacity:1;}}
.tutor-companion-page .tutor-error{color:var(--chat-danger);font-size:16px;}
.tutor-companion-page .tutor-welcome{min-height:270px;padding:20px 12px;}
.tutor-companion-page .tutor-welcome-avatar{display:grid;place-items:center;width:124px;height:124px;background:var(--chat-peach);border-radius:32px;margin-bottom:16px;}
.tutor-companion-page .tutor-welcome-avatar img{width:100%;height:100%;object-fit:contain;padding:10px;}
.tutor-companion-page .tutor-welcome h2{font-size:23px;line-height:1.5;margin:0 0 6px;}
.tutor-companion-page .tutor-welcome p{font-size:15px;color:var(--chat-muted);line-height:1.7;margin:0;}
.tutor-starters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tutor-starters button{min-height:44px;min-width:44px;background:var(--chat-mint);color:var(--chat-green);border:0;border-radius:12px;padding:10px 14px;font-size:14px;cursor:pointer;}
.tutor-starters button:nth-child(2){background:var(--chat-peach);}
.tutor-companion-page .tutor-composer{border-top:1px solid var(--chat-line);padding:18px 20px 12px;background:var(--chat-white);}
.tutor-input-label{display:block;font-size:13px;line-height:1.6;color:var(--chat-muted);margin:0 0 6px;}
.tutor-companion-page .tutor-composer textarea{min-height:76px;max-height:220px;font-size:16px;line-height:1.65;background:var(--chat-paper)!important;border:1px solid var(--chat-line)!important;border-radius:14px;padding:12px 14px!important;color:var(--chat-ink);caret-color:var(--chat-green);scroll-margin-bottom:120px;}
.tutor-companion-page .tutor-composer textarea::placeholder{color:var(--chat-muted);opacity:1;}
.tutor-companion-page .tutor-composer-actions{margin-top:12px;gap:12px;flex-wrap:wrap;}
.tutor-companion-page .tutor-composer-actions>.muted{font-size:12px;}
body.student-companion-chat.dazhi-campus.cute-reset .tutor-companion-page .tutor-composer-actions .btn{min-height:44px;min-width:44px;font-size:14px;padding:10px 16px;box-shadow:none!important;border-radius:12px;}
body.student-companion-chat.dazhi-campus.cute-reset .tutor-companion-page .tutor-composer-actions .btn.primary{background:var(--chat-green)!important;border-color:var(--chat-green)!important;color:var(--chat-on-green)!important;min-width:84px;}
.tutor-companion-page .tutor-upload{background:var(--chat-mint);color:var(--chat-green);}
.tutor-companion-page .tutor-upload:focus-within{outline:3px solid var(--chat-focus);outline-offset:3px;}
.tutor-companion-page .tutor-status{font-size:12px;color:var(--chat-muted);margin-top:10px;min-height:20px;line-height:1.65;}
.tutor-companion-page .tutor-attachment{color:var(--chat-muted);font-size:14px;flex-wrap:wrap;}
.tutor-companion-page :is(button,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--chat-focus);outline-offset:3px;}
@media(max-width:1100px){.tutor-companion-page .tutor-layout{grid-template-columns:minmax(0,1fr);gap:12px;}.tutor-companion-page .tutor-history.panel{padding:0 4px!important;}.tutor-companion-page .tutor-history details>div{max-height:180px;overflow:auto;}}
@media(max-width:760px){
 body.student-companion-chat.dazhi-campus.cute-reset .student-app>.sidebar{border:1px solid var(--chat-line);}
 body.student-companion-chat .page.tutor-companion-page{padding:16px 14px calc(110px + env(safe-area-inset-bottom));}
 .tutor-companion-page .tutor-heading{gap:12px;align-items:flex-start;flex-wrap:wrap;margin-bottom:12px;}
 .tutor-companion-intro{gap:12px;flex:1 1 100%;}
 .tutor-heading-portrait{width:64px;height:64px;flex-basis:64px;border-radius:20px;}
 .tutor-companion-page .tutor-heading h1{font-size:22px!important;}
 .tutor-companion-page .tutor-heading p{font-size:14px;margin-top:5px;}
 .tutor-companion-page .tutor-heading>.btn{font-size:13px;margin-left:auto;}
 .tutor-companion-page .tutor-transcript{height:clamp(260px,38dvh,480px);min-height:260px;padding:16px 12px;}
 .tutor-companion-page .tutor-avatar{width:40px;height:40px;flex-basis:40px;border-radius:14px;}
 .tutor-companion-page .tutor-answer{gap:8px;}.tutor-companion-page .tutor-answer>div{max-width:calc(100% - 48px);}
 .tutor-companion-page .tutor-answer-text{padding:12px 14px;line-height:1.75;}
 .tutor-companion-page .tutor-user>div{max-width:90%;padding:10px 14px;}
 .tutor-companion-page .tutor-user>.tutor-speaker{display:none;}
 .tutor-companion-page .tutor-composer{padding:14px 12px 10px;}
 .tutor-companion-page .tutor-welcome-avatar{width:100px;height:100px;border-radius:28px;}
 .tutor-companion-page .tutor-welcome{padding:8px 4px;min-height:240px;}
 .tutor-companion-page .tutor-welcome h2{font-size:21px;}
 .tutor-companion-page .tutor-welcome p{font-size:14px;}
 .tutor-companion-page .tutor-starters{gap:8px;margin-top:14px;}
 .tutor-companion-page .tutor-starters button{font-size:13px;padding:8px 12px;}
}
@media(prefers-reduced-motion:reduce){.tutor-companion-page *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}}