:root{
--tk-brand:#36a3ff;--tk-brand-strong:#1688ff;--tk-brand-soft:rgba(54,163,255,.12);
--tk-accent:#9cff00;--tk-accent-soft:rgba(156,255,0,.12);
--tk-success:#35d39a;--tk-warning:#f6c453;--tk-danger:#ff647c;
--tk-bg:#080f1d;--tk-bg-soft:#0c1626;--tk-bg-elevated:#111d30;
--tk-sidebar:#091322;--tk-topbar:rgba(8,15,29,.88);
--tk-card:#101c2d;--tk-card-hover:#14243a;
--tk-border:rgba(145,173,207,.13);--tk-border-strong:rgba(145,173,207,.25);
--tk-text:#f2f7ff;--tk-text-soft:#c8d5e7;--tk-text-muted:#8293aa;--tk-text-faint:#5c6d84;
--tk-input:#0b1728;
--tk-shadow:0 14px 38px rgba(0,0,0,.22);--tk-shadow-lg:0 24px 70px rgba(0,0,0,.34);
--tk-sidebar-width:250px;--tk-topbar-height:62px;--tk-content-max:1500px;
--tk-radius-sm:8px;--tk-radius:12px;--tk-radius-lg:18px;
--tk-space-1:4px;--tk-space-2:8px;--tk-space-3:12px;--tk-space-4:16px;--tk-space-5:20px;--tk-space-6:24px;--tk-space-7:32px;--tk-space-8:40px;--tk-space-9:48px;
--tk-font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
--tk-mono:"JetBrains Mono","Fira Code","SFMono-Regular",Consolas,monospace;
--tk-transition:180ms ease;
}
html[data-theme="light"]{
--tk-bg:#f3f7fc;--tk-bg-soft:#eaf1f9;--tk-bg-elevated:#fff;
--tk-sidebar:#fff;--tk-topbar:rgba(255,255,255,.92);
--tk-card:#fff;--tk-card-hover:#f7fbff;
--tk-border:rgba(15,32,55,.09);--tk-border-strong:rgba(15,32,55,.16);
--tk-text:#17243a;--tk-text-soft:#34465f;--tk-text-muted:#687b94;--tk-text-faint:#91a0b3;
--tk-input:#f8fbff;--tk-shadow:0 12px 30px rgba(20,45,75,.07);--tk-shadow-lg:0 22px 55px rgba(20,45,75,.12);
}