:root{--bg: #1a1d21;--bg-elevated: #22262b;--bg-hover: #2a3036;--border: #3a4149;--text: #e8eaed;--text-muted: #9aa3ad;--accent: #2bac76;--accent-hover: #34c486;--danger: #e01e5a;--sidebar-width: 260px;--font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font-sans);background:radial-gradient(1200px 600px at 10% -10%,rgba(43,172,118,.12),transparent 55%),radial-gradient(900px 500px at 90% 0%,rgba(90,140,180,.1),transparent 50%),var(--bg);color:var(--text);line-height:1.5}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar-width) 1fr}.sidebar{border-right:1px solid var(--border);background:#1a1d21eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1.25rem 1rem;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:1.5rem}.brand{font-weight:700;font-size:1.35rem;letter-spacing:-.02em}.brand span{color:var(--accent)}.nav{display:flex;flex-direction:column;gap:.25rem}.nav a{padding:.55rem .75rem;border-radius:8px;color:var(--text-muted)}.nav a:hover,.nav a.active{background:var(--bg-hover);color:var(--text)}.main{min-width:0}.page{max-width:1080px;margin:0 auto;padding:2rem 1.5rem 4rem}.hero{min-height:calc(100vh + -0px);display:flex;flex-direction:column;justify-content:center;gap:1.25rem;padding:3rem 1.5rem 4rem;max-width:920px;margin:0 auto}.hero-brand{font-size:clamp(3rem,8vw,5.5rem);font-weight:700;letter-spacing:-.04em;line-height:1}.hero-brand span{color:var(--accent)}.hero h1{margin:0;font-size:clamp(1.4rem,3vw,2rem);font-weight:600;max-width:18ch;letter-spacing:-.02em}.hero p{margin:0;color:var(--text-muted);max-width:42ch;font-size:1.05rem}.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.5rem}.btn{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);border-radius:8px;padding:.65rem 1rem;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease}.btn:hover{background:var(--bg-hover);transform:translateY(-1px)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#0d1612;font-weight:600}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.search-box{margin-top:1rem;display:grid;gap:.75rem}.search-box input{width:100%;max-width:560px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:.85rem 1rem;color:var(--text)}.search-box input:focus{outline:2px solid rgba(43,172,118,.45);border-color:var(--accent)}.search-results{display:grid;gap:.5rem;max-width:720px}.result-link{display:block;padding:.75rem .9rem;border:1px solid var(--border);border-radius:10px;background:#22262bb3}.result-link:hover{background:var(--bg-hover)}.result-meta{color:var(--text-muted);font-size:.85rem}.layout-split{display:grid;grid-template-columns:200px 1fr;gap:1.5rem}.category-list{display:flex;flex-direction:column;gap:.25rem}.category-list button{text-align:left;background:transparent;border:0;color:var(--text-muted);padding:.45rem .6rem;border-radius:8px;cursor:pointer}.category-list button.active,.category-list button:hover{background:var(--bg-hover);color:var(--text)}.list{display:grid;gap:.65rem}.list-item{display:block;padding:1rem 1.1rem;border:1px solid var(--border);border-radius:10px;background:#22262ba6;animation:rise .35s ease both}.list-item:hover{background:var(--bg-hover)}.list-item h3{margin:0 0 .35rem;font-size:1.05rem}.list-item p{margin:0;color:var(--text-muted)}.tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.65rem}.tag{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);border:1px solid var(--border);border-radius:6px;padding:.15rem .4rem}.pager{display:flex;align-items:center;gap:.75rem;margin-top:1.25rem;color:var(--text-muted)}.detail-header{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between;margin-bottom:1rem}.detail-header h1{margin:0;font-size:1.75rem;letter-spacing:-.02em}.pre{white-space:pre-wrap;font-family:var(--font-mono);font-size:.92rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;padding:1.1rem;line-height:1.55}.feedback{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border);display:grid;gap:.75rem;max-width:560px}.feedback textarea,.feedback input{width:100%;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:.7rem .85rem;color:var(--text)}.muted{color:var(--text-muted)}.error{color:var(--danger)}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--border)}.layout-split{grid-template-columns:1fr}.hero{min-height:auto;padding-top:2rem}}