@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=Fraunces:ital,wght@0,300;0,400;1,300&display=swap";*,:after,:before{box-sizing:border-box;margin:0;padding:0}.app.light{--bg:#f0f3f7;--surface:hsla(0,0%,100%,.88);--surface-hover:hsla(0,0%,100%,.98);--border:rgba(15,45,107,.1);--accent:#0f2d6b;--accent2:#0ea5a0;--accent-glow:rgba(14,165,160,.12);--text:#0d1b2a;--text-muted:rgba(13,27,42,.5);--max-bubble:rgba(15,45,107,.05);--user-bubble:hsla(0,0%,100%,.75);--sidebar-bg:rgba(236,240,246,.98);--topbar-bg:rgba(240,243,247,.93);--send-bg:linear-gradient(135deg,#0f2d6b,#0a4d6e);--card-shadow:0 16px 48px 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rgba(14,165,160,.25);border-radius:8px;color:#0a4d6e;font-size:13px;margin-bottom:16px;padding:10px 14px}.app.dark .auth-success{color:#22d3b8}.auth-form{gap:14px}.auth-form,.form-group{display:flex;flex-direction:column}.form-group{gap:5px}.form-group label{color:var(--text-muted);font-size:12px;font-weight:500;letter-spacing:.3px}.form-group input{background:var(--bg);border:1px solid var(--border);border-radius:9px;color:var(--text);font-family:DM Sans,sans-serif;font-size:14px;outline:none;padding:10px 12px;transition:border-color .2s;width:100%}.form-group input:focus{border-color:var(--accent2)}.form-group input::-moz-placeholder{color:var(--text-muted)}.form-group input::placeholder{color:var(--text-muted)}.form-hint{color:var(--text-muted);font-size:11px}.pass-wrap{position:relative}.pass-wrap 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0}.auth-divider:after,.auth-divider:before{background:var(--border);content:"";flex:1;height:1px}.auth-btn-guest{align-items:center;background:transparent;border:1px solid var(--border);border-radius:10px;color:var(--text);cursor:pointer;display:flex;flex-direction:column;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;gap:3px;padding:12px;transition:all .2s;width:100%}.auth-btn-guest:hover{background:var(--surface-hover);border-color:var(--accent2)}.auth-btn-guest small{color:var(--text-muted);font-size:11px;font-weight:400}.auth-footer{border-top:1px solid var(--border);margin-top:20px;padding-top:16px}.auth-footer-controls{align-items:center;display:flex;gap:10px;justify-content:center}.sidebar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--sidebar-bg);border-right:1px solid var(--border);bottom:0;display:flex;flex-direction:column;left:0;padding:20px 14px;position:fixed;top:0;transform:translate(-100%);transition:transform .3s 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.15s;width:100%}.nav-item:hover{background:var(--surface-hover);color:var(--text)}.nav-item.active{background:var(--accent-glow);color:var(--accent);font-weight:500}.nav-icon{font-size:16px;text-align:center;width:20px}.sidebar-bottom{border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:16px}.user-chip{background:var(--surface);border:1px solid 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