:root{--bp-bg:#0b0b0b;--bp-panel:#171717;--bp-border:#3f3f46;--bp-text:#f8fafc;--bp-muted:#eceff3;--bp-accent:#f59e0b}*{box-sizing:border-box}.bp-body{margin:0;color:var(--bp-text);background:radial-gradient(circle at top right,rgba(245,158,11,.2) 0,transparent 34%),radial-gradient(circle at top left,rgba(255,255,255,.08) 0,transparent 32%),var(--bp-bg);font-family:Segoe UI,Helvetica Neue,sans-serif}.bp-body,.bp-shell{min-height:100vh}.bp-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.3rem;background:rgba(17,17,17,.9);border-bottom:1px solid var(--bp-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.bp-brand{gap:.9rem;text-decoration:none;color:var(--bp-text)}.bp-brand,.bp-logo-wrap{display:inline-flex;align-items:center}.bp-logo-wrap{justify-content:center;width:88px;height:88px;border-radius:16px;background:#ffffff;border:1px solid #e5e7eb;box-shadow:0 8px 22px rgba(1,9,22,.35)}.bp-logo{width:74px;height:74px;object-fit:contain}.bp-brand strong{font-size:1.08rem;letter-spacing:.01em}.bp-header-right{display:inline-flex;align-items:center;gap:.75rem}.bp-github{color:var(--bp-accent);text-decoration:none;font-weight:700}.bp-github:hover{color:#fcd34d}.bp-content{display:grid;grid-template-columns:minmax(230px,290px) minmax(0,1fr);min-height:calc(100vh - 68px)}.bp-sidebar{padding:1rem;border-right:1px solid var(--bp-border);background:rgba(23,23,23,.9)}.bp-nav{display:grid;gap:.35rem}.bp-nav-item{text-decoration:none;color:var(--bp-muted);padding:.45rem .6rem;border-radius:.5rem;font-size:.95rem;border:1px solid transparent;background:rgba(255,255,255,.03)}.bp-nav-item:hover{color:var(--bp-text);background:rgba(245,158,11,.3);border-color:rgba(252,211,77,.45)}.bp-nav-item:focus-visible{outline:2px solid rgba(252,211,77,.7);outline-offset:2px}.bp-main{padding:1.75rem;max-width:1000px;width:100%}@media (max-width:920px){.bp-content{grid-template-columns:1fr}.bp-sidebar{border-right:0;border-bottom:1px solid var(--bp-border)}}