:root{color-scheme:light;--bg: #f5f6fa;--surface: #ffffff;--surface-2: #fafbfd;--raised: #eef0f6;--text: #1a1d2e;--muted: #6b7190;--faint: #9aa1bd;--border: #dde1ec;--border-strong: #c8cede;--brand: #0891b2;--brand-hover: #0e7490;--brand-pressed: #155e75;--brand-text: #0e7490;--tint: #ecfafd;--tint-2: #d3eff5;--focus-ring: 0 0 0 3px rgba(8,145,178,.28);--green: #16a34a;--green-text: #15803d;--green-bg: #e8f7ee;--amber: #d97706;--amber-text: #b45309;--amber-bg: #fdf3e4;--red: #dc2626;--red-text: #b91c1c;--red-bg: #fdeaea;--sidebar-bg: #020A0D;--sidebar-text: #cfe7ec;--sidebar-item: #a9c3cb;--sidebar-group: #5c7887;--sidebar-active: rgba(95,217,238,.12);--sidebar-hover: rgba(207,231,236,.07);--sidebar-border: rgba(165,243,240,.14);--starlight: #5fd9ee;--brand-night: #0aa1c2;--ink-on-brand: #04181e;--r-ctl: 10px;--r-card: 12px;--r-modal: 14px;--r-pill: 999px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--shadow-sm: 0 1px 2px rgba(16,24,40,.06);--shadow-md: 0 8px 24px rgba(16,24,40,.12);--shadow-lift: 0 10px 26px -12px rgba(8,145,178,.35);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #0a141c;--surface: #0f1d27;--surface-2: #0c1822;--raised: #16283a;--text: #e9f6f9;--muted: #8fa8b2;--faint: #6f8b96;--border: #1e3340;--border-strong: #2a4454;--brand: #0aa1c2;--brand-hover: #5fd9ee;--brand-pressed: #0b8aa8;--brand-text: #5fd9ee;--tint: #14313d;--tint-2: #1b4552;--focus-ring: 0 0 0 3px rgba(95,217,238,.3);--green: #4ade80;--green-text: #4ade80;--green-bg: rgba(22,163,74,.16);--amber: #fbbf24;--amber-text: #fbbf24;--amber-bg: rgba(217,119,6,.18);--red: #f87171;--red-text: #f87171;--red-bg: rgba(220,38,38,.18);--shadow-sm: 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 8px 24px rgba(0,0,0,.5);--shadow-lift: 0 10px 26px -12px 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.btn-primary{color:var(--ink-on-brand)}.btn-secondary{background:var(--surface);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--tint);border-color:var(--brand);color:var(--brand-text)}.btn-ghost{color:var(--muted);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:var(--raised);color:var(--text)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover:not(:disabled){filter:brightness(.92)}:root[data-theme=dark] .btn-danger{background:var(--red-bg);color:var(--red-text)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--r-ctl);color:var(--muted)}.icon-btn:hover:not(:disabled){background:var(--raised);color:var(--text)}.pill{display:inline-flex;align-items:center;gap:6px;height:22px;padding:1px 8px;border-radius:var(--r-pill);font-size:12px;font-weight:500}.pill:before{content:"";width:6px;height:6px;border-radius:var(--r-pill);background:currentColor;flex:0 0 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strong{display:block;font-size:12.5px;font-weight:600;color:var(--sidebar-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-account small{display:block;font-size:11px;color:var(--sidebar-group);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.invite-note{padding:6px 10px;border-radius:var(--r-ctl);background:var(--sidebar-active);color:var(--starlight);font-size:11.5px;overflow-wrap:anywhere}.side-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--sp-1);border-top:1px solid var(--sidebar-border);padding-top:var(--sp-3)}.auth-page{position:relative;height:100%;display:flex;align-items:center;justify-content:center;background:var(--sidebar-bg);overflow:hidden}.auth-page .constellation{position:absolute;top:0;right:0;bottom:0;left:0}.auth-card{position:relative;width:min(400px,calc(100vw - 32px));display:flex;flex-direction:column;gap:var(--sp-4);background:var(--surface);border:1px solid 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table{border-collapse:collapse;display:block;max-width:100%;overflow-x:auto;font-size:13px}.markdown-body th,.markdown-body td{padding:5px 10px;border:1px solid var(--border);text-align:left}.markdown-body th{background:var(--surface-2);font-weight:600}.markdown-body a{color:var(--brand-text)}.tool-status{display:flex;align-items:center;gap:var(--sp-2);color:var(--muted);font-size:12.5px;padding:4px 0}.tool-status .thinking{padding:0}.thinking{display:inline-flex;gap:5px;padding:8px 0}.thinking i{width:6px;height:6px;border-radius:var(--r-pill);background:var(--brand);animation:pulse 1.2s ease-in-out infinite}.thinking i:nth-child(2){animation-delay:.18s}.thinking i:nth-child(3){animation-delay:.36s}@keyframes pulse{0%,to{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}@media(prefers-reduced-motion:reduce){.thinking 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var(--sp-4)}.composer-inner{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:var(--sp-2)}.composer{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-modal);box-shadow:var(--shadow-sm);padding:var(--sp-2) var(--sp-3)}.composer:focus-within{border-color:var(--brand);box-shadow:var(--focus-ring)}.composer textarea{width:100%;border:none;outline:none;background:none;resize:none;padding:6px 2px;font-size:14px;line-height:1.5;max-height:180px}.composer textarea:focus-visible{box-shadow:none}.composer-row{display:flex;align-items:center;gap:var(--sp-2)}.composer-row .caption{flex:1}.send-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--r-ctl);background:var(--brand);color:#fff}.send-btn:hover:not(:disabled){background:var(--brand-hover)}.send-btn.stop-btn{background:var(--text)}.send-btn.stop-btn:hover:not(:disabled){background:var(--red)}:root[data-theme=dark] 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