@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap");:root{--color-neutral-0:#FFFFFF;--color-neutral-50:#F8FAFC;--color-neutral-100:#F1F5F9;--color-neutral-200:#E2E8F0;--color-neutral-300:#CBD5E1;--color-neutral-400:#94A3B8;--color-neutral-500:#64748B;--color-neutral-600:#475569;--color-neutral-700:#334155;--color-neutral-800:#1E293B;--color-neutral-900:#0F172A;--color-neutral-950:#020617;--color-primary-100:#DBE5FF;--color-primary-200:#B8CCFF;--color-primary-300:#8CA9FF;--color-primary-400:#5A83F5;--color-primary-500:#2B5CE6;--color-primary-600:#1F47C7;--color-primary-700:#1A399E;--color-primary-800:#1B327A;--color-primary-900:#1A2D60;--color-primary-950:#101C3E;--color-primary-subtle:#EEF3FF;--color-bg-page:var(--color-neutral-50);--color-bg-surface:var(--color-neutral-0);--color-bg-subtle:var(--color-neutral-100);--color-bg-muted:var(--color-neutral-50);--color-bg-dark:var(--color-neutral-900);--color-fg-primary:var(--color-neutral-900);--color-fg-secondary:var(--color-neutral-600);--color-fg-tertiary:var(--color-neutral-500);--color-fg-disabled:var(--color-neutral-400);--color-fg-inverse:var(--color-neutral-50);--color-fg-on-accent:#FFFFFF;--color-fg-accent:var(--color-primary-500);--color-border:var(--color-neutral-200);--color-border-subtle:var(--color-neutral-100);--color-border-accent:var(--color-primary-500);--color-accent:var(--color-primary-500);--color-accent-hover:var(--color-primary-600);--color-accent-pressed:var(--color-primary-700);--color-accent-subtle:var(--color-primary-subtle);--color-accent-on:#FFFFFF;--color-dim-reaction-solid:#FF8A4C;--color-dim-reaction-subtle:#FFF1E9;--color-dim-reaction-text:#E06830;--color-dim-logic-solid:#8B5CF6;--color-dim-logic-subtle:#F0EBFE;--color-dim-logic-text:#6D3DD4;--color-dim-memory-solid:#EC4899;--color-dim-memory-subtle:#FCE7F3;--color-dim-memory-text:#C4287A;--color-dim-focus-solid:#10B981;--color-dim-focus-subtle:#D1FAF0;--color-dim-focus-text:#0A9268;--color-dim-math-solid:#06B6D4;--color-dim-math-subtle:#CFFAFE;--color-dim-math-text:#0591AB;--color-dim-spatial-solid:#6366F1;--color-dim-spatial-subtle:#EEF2FF;--color-dim-spatial-text:#4547CC;--color-success:#22C55E;--color-success-subtle:#DCFCE7;--color-warning:#F59E0B;--color-warning-subtle:#FEF3C7;--color-error:#EF4444;--color-error-subtle:#FEE2E2;--font-display:"Inter","Noto Sans SC",-apple-system,"PingFang SC",sans-serif;--font-body:"Inter","Noto Sans SC",-apple-system,"PingFang SC",sans-serif;--font-mono:"JetBrains Mono","SF Mono","Menlo",monospace;--text-display-lg:48px;--text-display-md:36px;--text-h0:32px;--text-h1:28px;--text-h2:22px;--text-h3:18px;--text-body-lg:16px;--text-body:14px;--text-body-sm:13px;--text-caption:12px;--leading-display:1.17;--leading-tight:1.22;--leading-snug:1.36;--leading-normal:1.5;--leading-relaxed:1.6;--tracking-tighter:-0.02em;--tracking-tight:-0.01em;--tracking-normal:0em;--tracking-wide:0.02em;--tracking-wider:0.08em;--tracking-widest:0.12em;--space-xxs:4px;--space-xs:8px;--space-sm:12px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-1:0 1px 2px rgba(15,23,42,0.06);--shadow-2:0 4px 12px rgba(15,23,42,0.08);--shadow-3:0 12px 32px rgba(15,23,42,0.12);--ease-out:cubic-bezier(0.25,0.46,0.45,0.94);--ease-in-out:cubic-bezier(0.45,0,0.55,1);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--duration-fast:100ms;--duration-base:150ms;--duration-slow:500ms;--duration-slower:900ms;--color-bg-card:var(--color-bg-surface);--color-bg:var(--color-bg-page);--color-border-dark:rgba(255,255,255,0.08);--text-xs:12px;--text-sm:13px;--text-base:15px;--text-md:18px;--text-lg:22px;--text-xl:28px;--text-2xl:36px;--text-3xl:48px;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700}.icon{width:1em;height:1em;flex-shrink:0;vertical-align:-.125em;display:inline-block}.icon-sm{width:16px;height:16px}.icon-md{width:20px;height:20px}.icon-lg{width:24px;height:24px}.icon-xl{width:32px;height:32px}.icon-2xl{width:48px;height:48px}.font-body{font-family:var(--font-body)}.font-display{font-family:var(--font-display)}.font-mono{font-family:var(--font-mono)}.font-mono,.tabular{font-variant-numeric:tabular-nums}.text-fg{color:var(--color-fg-primary)}.text-fg-2{color:var(--color-fg-secondary)}.text-fg-3{color:var(--color-fg-tertiary)}.text-fg-d{color:var(--color-fg-disabled)}.text-inverse{color:var(--color-fg-inverse)}.text-accent{color:var(--color-accent)}.bg-page{background:var(--color-bg-page)}.bg-surface{background:var(--color-bg-surface)}.bg-subtle{background:var(--color-bg-subtle)}.bg-dark{background:var(--color-bg-dark)}.bg-accent{background:var(--color-accent)}.t-display-lg{font-size:var(--text-display-lg);line-height:56px}.t-display-lg,.t-display-md{font-weight:600;letter-spacing:var(--tracking-tighter)}.t-display-md{font-size:var(--text-display-md);line-height:44px}.t-h0{font-size:var(--text-h0);line-height:40px;letter-spacing:var(--tracking-tighter)}.t-h0,.t-h1{font-weight:600}.t-h1{font-size:var(--text-h1);line-height:36px;letter-spacing:var(--tracking-tight)}.t-h2{font-size:var(--text-h2);line-height:30px;font-weight:600}.t-h3{font-size:var(--text-h3);line-height:26px;font-weight:500}.t-body-lg{font-size:var(--text-body-lg);line-height:24px;font-weight:400}.t-body{font-size:var(--text-body);line-height:22px;font-weight:400}.t-body-sm{font-size:var(--text-body-sm);line-height:20px;font-weight:400}.t-caption{line-height:18px;font-weight:400}.t-caption,.t-overline{font-size:var(--text-caption)}.t-overline{line-height:16px;font-weight:600;letter-spacing:var(--tracking-widest);text-transform:uppercase}