:root{--color-bg:#ffffff;--color-bg-sidebar:#f9f9f9;--color-bg-hover:#f2f2f2;--color-bg-input:#f4f4f4;--color-bg-overlay:rgba(0,0,0,0.4);--color-bg-overlay-light:rgba(0,0,0,0.3);--color-text:#1a1a1a;--color-text-2:#6b6b6b;--color-text-3:#999999;--color-border:#e5e5e5;--color-border-light:#efefef;--color-accent:#1a1a1a;--color-accent-hover:#333333;--color-blue:#2563eb;--color-blue-hover:#1d4ed8;--color-blue-light:#eff6ff;--color-blue-ring:rgba(37,99,235,0.3);--color-blue-tint:rgba(37,99,235,0.08);--color-blue-subtle:rgba(37,99,235,0.06);--color-blue-soft:rgba(37,99,235,0.15);--color-error:#ef4444;--color-error-hover:#dc2626;--color-error-bg:#fef2f2;--color-error-border:#fca5a5;--color-error-ring:rgba(220,38,38,0.25);--color-error-ring-hover:rgba(220,38,38,0.35);--color-success:#16a34a;--color-success-bg:#f0fdf4;--color-warning-bg:#fef3c7;--color-cite:#e05252;--color-cite-underline:#e0525240;--color-code:#be185d;--color-highlight-bg:#e8f0fe;--color-warning-text:#d97706;--color-success-text:#059669;--color-success-bg-soft:#d1fae5;--color-text-4:#cccccc;--space-0:0px;--space-0_5:1px;--space-1:2px;--space-1_5:3px;--space-2:4px;--space-3:6px;--space-4:8px;--space-5:10px;--space-6:12px;--space-8:16px;--space-10:20px;--space-12:24px;--space-14:28px;--space-16:32px;--space-24:48px;--font-2xs:10px;--font-xs:11px;--font-sm:12px;--font-base:13px;--font-md:14px;--font-lg:15px;--font-xl:16px;--font-2xl:17px;--font-3xl:18px;--font-4xl:20px;--font-5xl:22px;--weight-normal:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--leading-tight:1.3;--leading-normal:1.5;--leading-relaxed:1.6;--radius-xs:3px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:16px;--radius-2xl:20px;--radius-3xl:24px;--radius-full:99px;--radius-circle:50%;--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 8px 32px rgba(0,0,0,0.08),0 2px 8px rgba(0,0,0,0.04);--shadow-lg:0 16px 48px rgba(0,0,0,0.15);--shadow-xl:0 24px 80px rgba(0,0,0,0.15);--duration-fast:0.12s;--duration-normal:0.15s;--duration-slow:0.25s;--duration-slower:0.3s;--ease-default:ease;--ease-out:ease-out;--z-dropdown:50;--z-modal:100;--z-admin:1000;--z-alias:1100;--z-toast:9999;--scrollbar-width:4px;--scrollbar-width-sm:3px;--scrollbar-width-md:5px;--scrollbar-track:transparent;--scrollbar-thumb:var(--color-border);--chat-max-half:380px}@media (prefers-color-scheme:dark){:root{--color-bg:#1a1a1a;--color-bg-sidebar:#141414;--color-bg-hover:#2a2a2a;--color-bg-input:#242424;--color-bg-overlay:rgba(0,0,0,0.6);--color-bg-overlay-light:rgba(0,0,0,0.5);--color-text:#e5e5e5;--color-text-2:#a0a0a0;--color-text-3:#6b6b6b;--color-border:#333333;--color-border-light:#262626;--color-accent:#e5e5e5;--color-accent-hover:#cccccc;--color-blue:#60a5fa;--color-blue-hover:#2563eb;--color-blue-light:rgba(59,130,246,0.12);--color-blue-ring:rgba(59,130,246,0.35);--color-blue-tint:rgba(59,130,246,0.1);--color-blue-subtle:rgba(59,130,246,0.08);--color-blue-soft:rgba(59,130,246,0.2);--color-error:#f87171;--color-error-hover:#ef4444;--color-error-bg:rgba(239,68,68,0.1);--color-error-border:rgba(239,68,68,0.3);--color-error-ring:rgba(239,68,68,0.25);--color-error-ring-hover:rgba(239,68,68,0.35);--color-success:#22c55e;--color-success-bg:rgba(34,197,94,0.1);--color-warning-bg:rgba(251,191,36,0.25);--color-warning-text:#fbbf24;--color-cite:#f87171;--color-cite-underline:rgba(248,113,113,0.3);--color-code:#f472b6;--color-highlight-bg:rgba(59,130,246,0.12);--color-success-text:#34d399;--color-success-bg-soft:rgba(52,211,153,0.15);--color-text-4:#444444;--shadow-sm:0 1px 3px rgba(0,0,0,0.2);--shadow-md:0 8px 32px rgba(0,0,0,0.3),0 2px 8px rgba(0,0,0,0.2);--shadow-lg:0 16px 48px rgba(0,0,0,0.4);--shadow-xl:0 24px 80px rgba(0,0,0,0.5);--scrollbar-thumb:#444444}}