:root{--bg:#0d1014;--panel:#13171d;--panel2:#191e25;--text:#edf1f5;--muted:#8f9aa7;--line:#28303a;--accent:#d7c6a0;--danger:#ffb4ab;--ok:#a8d5ba}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}.app-shell{height:100%;display:grid;grid-template-columns:260px 1fr}.sidebar{background:#0a0d11;border-right:1px solid var(--line);padding:22px 18px;display:flex;flex-direction:column;gap:20px}.brand,.profile{display:flex;align-items:center;gap:12px}.brand strong{letter-spacing:.18em}.brand span,.profile span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.crest{width:58px;height:58px;border:1px solid #665f50;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif;font-size:28px;color:var(--accent);background:radial-gradient(circle at 35% 30%,#29271f,#0e1013 70%)}.crest.small{width:40px;height:40px;font-size:20px}.secondary{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:11px 14px;border-radius:10px;cursor:pointer;text-align:left}.secondary:hover{border-color:#46515e}.side-spacer{flex:1}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--panel2);color:var(--accent)}.logout{color:var(--muted);text-decoration:none;font-size:13px}.chat{min-width:0;display:grid;grid-template-rows:58px 1fr auto;height:100%}.chat header{border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 24px;color:#cbd2d9;gap:16px}.chat header small{color:var(--muted)}.header-actions{display:flex;align-items:center;gap:12px}.voice-toggle{border:1px solid #4c473e;background:#181813;color:var(--accent);border-radius:999px;padding:7px 11px;cursor:pointer;font-size:12px}.voice-toggle.off{border-color:var(--line);background:var(--panel);color:var(--muted)}.status-dot{display:inline-block;width:8px;height:8px;background:#76c893;border-radius:50%;margin-right:8px;box-shadow:0 0 10px #76c89355}.messages{overflow:auto;padding:34px max(24px,calc((100% - 850px)/2));scroll-behavior:smooth}.welcome{text-align:center;margin:13vh auto 0;max-width:600px;color:var(--muted)}.welcome .crest{margin:0 auto 22px}.welcome h1{color:var(--text);font-weight:450;font-size:30px;margin:0 0 8px}.voice-hint{display:inline-block;margin-top:17px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:#aeb7c0}.msg{display:flex;gap:12px;margin:0 0 24px;align-items:flex-start}.msg.user{justify-content:flex-end}.bubble{max-width:78%;line-height:1.62}.user .bubble{background:var(--panel2);padding:12px 15px;border-radius:16px 16px 4px 16px}.assistant .bubble{padding:6px 0}.msg-icon{flex:0 0 30px;width:30px;height:30px;border:1px solid #665f50;border-radius:50%;display:grid;place-items:center;color:var(--accent);font-family:Georgia,serif}footer{border-top:1px solid var(--line);padding:16px max(24px,calc((100% - 850px)/2)) 13px;background:#0e1115}#chatForm{display:flex;align-items:flex-end;gap:9px;border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:8px 10px}textarea{flex:1;resize:none;border:0;outline:0;background:transparent;color:var(--text);line-height:1.5;max-height:160px;padding:9px 4px}.mic-btn,#sendBtn{width:40px;height:40px;border:0;border-radius:11px;cursor:pointer;flex:0 0 40px}.mic-btn{background:#222831;color:var(--accent);font-size:18px}.mic-btn:hover{background:#2a313b}.mic-btn.recording{background:#63302e;color:#ffd7d3;animation:pulse 1.15s infinite}.mic-btn:disabled{opacity:.45;cursor:default}#sendBtn{background:var(--accent);color:#17191c;font-weight:bold}#sendBtn:disabled{opacity:.55}@keyframes pulse{0%,100%{box-shadow:0 0 0 0 #b9544b55}50%{box-shadow:0 0 0 8px #b9544b00}}.fineprint{text-align:center;color:#66717d;font-size:11px;line-height:1.45;margin-top:8px}.login-body{display:grid;place-items:center;min-height:100%;padding:24px}.login-card{width:min(420px,100%);border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:32px}.login-card .crest{margin:0 auto 18px}.login-card h1{text-align:center;margin:0;letter-spacing:.13em;font-weight:500}.muted{text-align:center;color:var(--muted);margin:8px 0 28px}.login-card label{display:block;color:#bbc3cc;font-size:13px;margin:15px 0}.login-card input{width:100%;margin-top:7px;background:#0d1116;border:1px solid var(--line);border-radius:9px;color:var(--text);padding:12px}.login-card button{width:100%;border:0;border-radius:9px;background:var(--accent);color:#15171a;padding:12px;cursor:pointer;margin-top:8px}.error-box,.success-box{padding:11px 12px;border-radius:9px;margin:14px 0;font-size:13px}.error-box{background:#402424;color:var(--danger)}.success-box{background:#173326;color:var(--ok)}a{color:var(--accent)}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.messages{padding-left:16px;padding-right:16px}.chat header,footer{padding-left:16px;padding-right:16px}.bubble{max-width:88%}.chat header small{display:none}.voice-toggle{font-size:11px}.header-actions{gap:6px}}