:root{--bt-font-sans:"Poppins",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--bt-font-voice:"Lora",Georgia,serif;--bt-canvas:#f3ede0;--bt-surface:#f2ede1;--bt-surface-2:#e7e1d2;--bt-surface-3:#fbf8f0;--bt-hairline:#c9c0aa;--bt-border:#c0b69c;--bt-ink:#23221b;--bt-ink-2:#3e3a2e;--bt-muted:#6e6552;--bt-faint:#9a9079;--bt-label:#857d68;--bt-primary:#2a7a8a;--bt-primary-border:#1a5565;--bt-cta:#4a3015;--bt-cta-border:#4a3015;--bt-forest:#35533e;--bt-forest-border:#2a4230;--bt-on-accent:#f2ede1;--bt-success:#4e6b47;--bt-success-2:#6e8e56;--bt-warn:#c08a2e;--bt-danger:#9e4b3c;--bt-highlight:#bcaf6b;--bt-ok-bg:#e7f2ec;--bt-warn-bg:#f5ebdd;--bt-danger-bg:#f6e7e3;--bt-shadow-sm:0 1px 2px rgba(35,34,25,.1);--bt-shadow-lg:0 8px 20px -8px rgba(35,34,25,.32)}html[data-theme=dark]{--bt-canvas:#0d0d0d;--bt-surface:#161616;--bt-surface-2:#1e1e1e;--bt-surface-3:#141414;--bt-hairline:#2a2a2a;--bt-border:#3a3a3a;--bt-ink:#f2ede1;--bt-ink-2:#c9c5b7;--bt-muted:#9a9a9a;--bt-faint:#666;--bt-label:#9d9a86;--bt-primary:#5fb0c0;--bt-primary-border:#2a7a8a;--bt-cta:#6b4a24;--bt-cta-border:#6b4a24;--bt-forest:#7ba05f;--bt-forest-border:#6a8f51;--bt-on-accent:#16190f;--bt-success:#6e8e56;--bt-success-2:#86efac;--bt-warn:#f59e0b;--bt-danger:#f87171;--bt-highlight:#bcaf6b;--bt-ok-bg:#0f1607;--bt-warn-bg:#17120a;--bt-danger-bg:#1a0e0e;--bt-shadow-sm:0 1px 2px rgba(0,0,0,.35);--bt-shadow-lg:0 8px 24px -8px rgba(0,0,0,.55)}*{box-sizing:border-box}.bt-theme-toggle{position:fixed;top:14px;right:16px;z-index:1000;font-family:var(--bt-font-sans);font-size:12px;font-weight:600;color:var(--bt-muted);background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:6px;padding:6px 12px;cursor:pointer;transition:color .2s,border-color .2s}.bt-theme-toggle:hover{color:var(--bt-ink);border-color:var(--bt-primary)}.bt-dash{max-width:1040px;margin:3.5rem auto;padding:0 1.5rem}.bt-split{display:grid;grid-template-columns:320px 1fr;grid-gap:1.25rem;gap:1.25rem;align-items:start}.bt-list{display:flex;flex-direction:column;gap:6px}.bt-item{display:block;text-decoration:none;padding:12px 14px;border:1px solid var(--bt-hairline);border-radius:8px;background:var(--bt-surface-3);transition:border-color .15s,background .15s}.bt-item:hover{border-color:var(--bt-border)}.bt-item.bt-active{border-color:var(--bt-primary);background:var(--bt-surface);box-shadow:var(--bt-shadow-sm)}.bt-detail{border:1px solid var(--bt-hairline);border-radius:12px;background:var(--bt-surface-3);padding:1.6rem 1.7rem;min-height:300px}@media (max-width:760px){.bt-split{grid-template-columns:1fr}}