.chat-page{min-height:100vh;background:#06080f}.chat-shell{padding-top:126px;padding-bottom:72px}.chat-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:28px}.chat-intro h1{max-width:760px;margin:7px 0 13px;font:600 clamp(35px,5vw,60px)/1.08 var(--display);letter-spacing:-.055em}.chat-intro h1 span{background:linear-gradient(90deg,#7cb4ff,#ff9b4b);-webkit-background-clip:text;background-clip:text;color:transparent}.chat-intro>div>p:last-child{max-width:700px;margin:0;color:var(--muted)}.chat-actions{display:flex;gap:9px}.chat-actions .button{min-height:44px;border:1px solid var(--line2);background:#ffffff06;color:#aab6c8}.language-switch{display:flex;align-items:center;gap:6px;margin-left:auto;color:#526078;font-size:11px}.language-switch button{min-width:32px;min-height:40px;border:0;background:transparent;color:#7f8da2;cursor:pointer}.language-switch button.active{color:#fff}.connection-card{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:13px;padding:18px;border:1px solid var(--line);border-radius:20px 20px 0 0;background:#ffffff08}.connection-card label{display:grid;gap:6px;color:#758298;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.connection-card input,.connection-card select{width:100%;height:46px;padding:0 13px;border:1px solid var(--line2);border-radius:11px;background:#0b1019;color:#e7edf7;font:500 13px var(--body)}.connection-note{grid-column:1/-1;margin:0;color:#66748a;font-size:11px}.chat-workspace{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:590px;border:1px solid var(--line);border-top:0;border-radius:0 0 24px 24px;overflow:hidden;background:#05080ec2}.chat-sidebar{padding:26px;border-right:1px solid var(--line);background:#ffffff05}.session-summary{display:grid;gap:6px;padding:17px 0 22px;border-bottom:1px solid var(--line)}.session-summary b{font:600 15px var(--display)}.session-summary span{color:#67758b;font-size:11px;line-height:1.45}.chat-sidebar dl{display:grid;gap:10px;margin:20px 0}.chat-sidebar dl div{display:flex;justify-content:space-between}.chat-sidebar dt{color:#718097;font-size:11px}.chat-sidebar dd{margin:0;font-weight:700}.clear-chat{min-height:44px;padding:0;border:0;background:transparent;color:#7d8ca3;font:600 11px var(--body);cursor:pointer}.chat-panel{min-width:0;display:grid;grid-template-rows:1fr auto}.messages{display:flex;flex-direction:column;gap:16px;min-height:420px;max-height:630px;padding:30px;overflow:auto}.empty-state{margin:auto;text-align:center}.empty-state>span{display:inline-grid;place-items:center;width:58px;height:58px;border:1px solid rgba(101,161,255,.3);border-radius:18px;color:#87b8ff;background:#3975d71a;font:600 22px var(--display)}.empty-state h2{margin:18px 0 8px;font:600 24px var(--display)}.empty-state p{margin:0;color:#728096}.message{max-width:min(760px,88%);padding:15px 17px;border:1px solid var(--line);border-radius:16px;white-space:pre-wrap}.message.user{align-self:flex-end;background:#3674d621;border-color:#5699ff3b}.message.assistant{align-self:flex-start;background:#ffffff08}.message small{display:block;margin-top:9px;color:#657287;font-size:10px}.composer{padding:18px;border-top:1px solid var(--line);background:#080c14}.composer textarea{width:100%;resize:vertical;min-height:76px;max-height:210px;padding:14px 15px;border:1px solid var(--line2);border-radius:13px;background:#0c111b;color:#edf2fa;font:14px/1.55 var(--body)}.composer>div{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:10px}.composer p{margin:0;color:#6f7d92;font-size:11px}.composer p.error{color:#ff9a75}.composer .button{min-height:43px}.compact-footer{padding-top:0}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.chat-intro{align-items:flex-start;flex-direction:column}.language-switch{margin-left:auto}.connection-card{grid-template-columns:1fr 1fr}.connection-card label:first-child{grid-column:1/-1}.chat-workspace{grid-template-columns:1fr}.chat-sidebar{display:none}}@media(max-width:620px){.chat-shell{padding-top:100px}.chat-intro h1{font-size:38px}.chat-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.connection-card{grid-template-columns:1fr;padding:14px}.connection-card label:first-child{grid-column:auto}.chat-workspace{min-height:520px}.messages{padding:18px;max-height:520px}.message{max-width:94%}.composer{padding:14px}.compact-footer .footer-compat{display:none}}