:root{color-scheme:dark;--bg:#10141c;--panel:#1a202b;--line:#30394a;--muted:#a6b1c3;--text:#f1f5fb;--blue:#8cbcff;--primary:#a7cbff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.55}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid transparent;border-radius:12px;min-height:48px;padding:10px 18px;font-weight:650;transition:background .15s}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.primary{background:var(--primary);color:#101e34}.primary:hover{background:#c5dcff}.quiet{border-color:var(--line);background:#202938;color:var(--text)}.quiet:hover{background:#2b374b}a{color:var(--blue);text-underline-offset:4px}h1,h2,p{margin-top:0}h1{font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;font-weight:640;letter-spacing:-.035em;margin-bottom:0}h2{font-size:1.25rem;line-height:1.3;font-weight:620;margin-bottom:12px}p{color:var(--muted)}small,.hint{font-size:.875rem;color:var(--muted)}input,textarea{display:block;width:100%;border:1px solid var(--line);border-radius:10px;background:#101620;color:var(--text);padding:12px 14px;min-height:48px;outline:none}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 2px #8cbcff1a}textarea{resize:vertical}label{display:block;font-size:.875rem;font-weight:600;margin:16px 0 6px}input::placeholder,textarea::placeholder{color:#8795ab}header{max-width:1460px;margin:auto;height:100px;padding:20px 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28px}.eyebrow{font-size:.75rem;letter-spacing:.15em;color:var(--blue);font-weight:650;margin-bottom:9px}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--panel);margin-bottom:22px}.panel p{max-width:65ch}.panel .row{margin-top:16px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.row input{flex:1;min-width:140px}.row .primary{margin-left:auto}.row button{flex-shrink:0}.hint{margin-top:16px;margin-bottom:0}.intro{max-width:800px}.step{display:block;font-size:.75rem;letter-spacing:.12em;color:var(--blue);margin-bottom:16px}.result{margin-top:18px;margin-bottom:0;font-size:.95rem}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}.capability{border:1px solid var(--line);border-radius:12px;padding:16px 20px;background:#171e29}.capability span{display:block;color:var(--muted);font-size:.8rem;margin-bottom:6px}.capability strong{font-size:1rem;font-weight:600}.good{color:#a8dbbc}.warn{color:#f3cf8c}.bad{color:#ffaaa9}audio{display:block;width:100%;margin:14px 0;min-height:44px}summary{cursor:pointer;min-height:48px;padding:10px 0;font-weight:600}details p{font-size:.95rem}details{margin-top:16px}#page-chat{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px}.conversation-sidebar{padding-right:24px;border-right:1px solid var(--line)}.conversation-sidebar>.primary{width:100%;margin-bottom:20px}#conversationList button{display:block;width:100%;text-align:left;background:transparent;color:var(--muted);font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:5px 0;padding:12px}#conversationList button.selected{background:var(--panel);color:var(--text)}.chat-workspace{min-width:0}.chat-workspace>.section-top{margin-bottom:16px}.chat-workspace h1{font-size:1.35rem}#messages{height:clamp(260px,45vh,580px);overflow-y:auto;padding:8px 12px 16px 0;scroll-behavior:smooth}.empty{display:flex;height:100%;flex-direction:column;align-items:center;justify-content:center;text-align:center}.empty p{max-width:400px}.empty-symbol{font-size:3rem;color:var(--blue);margin-bottom:12px}.empty h2{font-size:1.65rem;font-weight:500}.message{padding:18px 22px;background:var(--panel);border:1px solid var(--line);border-radius:16px;margin:14px 0;max-width:92%;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#26384f;border-color:#334a68;margin-left:auto}.message .who{display:block;white-space:normal;font-size:.75rem;letter-spacing:.05em;color:var(--blue);margin-bottom:8px}.message.failed{border-color:#8b5359}.composer{border:1px solid #43536b;border-radius:18px;background:var(--panel);padding:12px}.composer textarea{background:transparent;border:0;box-shadow:none;min-height:72px;padding:10px;max-height:200px}.composer-bottom{display:flex;gap:12px;align-items:center}.composer-bottom span{flex:1;color:var(--muted);font-size:.8rem}.composer-bottom .primary{margin-left:auto}.note-list .panel{padding:22px}.note-list p{white-space:pre-wrap;overflow-wrap:anywhere;max-height:180px;overflow:auto}.note-list small{display:block;margin-bottom:12px}.note-list h2{overflow-wrap:anywhere}.drive-panel{margin-top:20px}.file-row{padding:12px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.device-code{font-size:2rem;font-family:ui-monospace,monospace;letter-spacing:.15em;color:var(--text);margin-top:20px}.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 50% 15%,#253853 0,transparent 55%)}.login-card{width:100%;max-width:420px}.login-card .brand-mark{margin-bottom:32px;width:60px;height:60px}.login-card h1{font-size:3.2rem;margin-bottom:22px}.login-card form{margin-top:32px}.login-card .primary{width:100%;margin-top:16px}.login-card small{display:block;margin-top:20px}#loginError{color:#ffaaa9;margin:12px 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20px}nav,main,footer{margin-left:18px;margin-right:18px}nav{display:grid;grid-template-columns:1fr 1fr;gap:6px;overflow:visible;margin-bottom:22px}nav button{padding:10px 9px;font-size:.875rem;white-space:nowrap}.two-cols{grid-template-columns:1fr;gap:0}#page-chat{display:block}.conversation-sidebar{padding:0;border:0;display:flex;gap:10px;align-items:center;margin-bottom:22px}.conversation-sidebar>.primary{width:auto;margin:0;font-size:.85rem;padding:8px 12px;white-space:nowrap}#conversationList{display:flex;overflow-x:auto;gap:5px}#conversationList button{width:140px;flex-shrink:0;margin:0}.section-top{align-items:flex-start;gap:10px}.section-top>.quiet{font-size:.8rem;padding:8px 12px}.panel{padding:22px 18px;border-radius:14px}.capabilities{gap:9px}.capability{padding:13px}#messages{height:43vh;min-height:270px}.empty h2{font-size:1.4rem}.message{padding:14px 16px;max-width:96%}.composer{padding:8px}.composer-bottom .quiet{font-size:.9rem;padding:8px 12px}.header-right{gap:0}.header-right .quiet{padding:8px 12px}.brand{gap:10px}.intro{font-size:.9rem}footer{margin-top:0}}