/* generated from site.css by tools/build.py: shared components for /linux-guide/ (own dark theme) */
:root{--bg:#0b1120;--surface:#111b30;--surface2:#16213A;--surface3:#1C2943;--border:#2b3b55;--border2:#40516b;--text:#dce6f5;--text2:#a9bad4;--text3:#8595AD;--link:#7fb6ff;--sky:#7fb6ff;--accent:#f5c542;--accent-fill:#f5c542;--green:#3FCF8E;--red:#FF7A7A;--purple:#A78BFA;--code-bg:#070D18;--code-fg:#D6E2F0;--code-comment:#7F93AE;--font-mono:"JetBrains Mono RR",ui-monospace,Menlo,Consolas,monospace;--navy:#0d1628;--focus:#7fb6ff;--topbar-h:66px;--r-sm:6px;--r:10px}
@font-face{font-family:"JetBrains Mono RR";font-weight:400;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2")}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rr-ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
[id]{scroll-margin-top:84px}
.rr-flash{animation:rrflash 1.4s ease-out 1}@keyframes rrflash{0%{background:rgba(245,182,66,.45)}100%{background:transparent}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.rr-sections-btn{display:none!important}
/* 6. COMPONENTS ------------------------------------------------------------ */
/* code */
.rr-code{position:relative;margin:12px 0 16px}
.rr-code>pre,.rr-code>.code-block{margin:0}
.rr-copy{position:absolute;top:8px;right:8px;z-index:2;height:30px;padding:0 10px;border-radius:7px;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:#D6E2F0;font:600 .72rem var(--font-body)}
.rr-copy:hover{background:rgba(255,255,255,.16)}
.rr-copy.ok{background:#0A7A4B;border-color:#0A7A4B;color:#fff}
.rr-code pre{padding-right:76px}
.rr-danger-tag{position:absolute;left:12px;top:-11px;z-index:2;font:700 .68rem var(--font-body);letter-spacing:.04em;
  text-transform:uppercase;padding:2px 9px;border-radius:999px;background:#C0262D;color:#fff}
.rr-danger-tag.warn{background:#9A5B00}
.rr-code[data-danger]{margin-top:20px}
.rr-code[data-danger]>pre,.rr-code[data-danger]>.code-block{border-color:#C0262D}
.output,pre.output{color:var(--code-comment);border-style:dashed}
/* tables */
.table-wrap{overflow-x:auto;margin:12px 0 16px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:linear-gradient(to right,var(--surface) 30%,transparent),linear-gradient(to left,var(--surface) 30%,transparent)}
.table-wrap>table{margin:0;min-width:520px}
.table-wrap:focus-visible{outline-offset:-2px}
/* callouts */
.rr-callout{display:flex;gap:12px;padding:12px 14px;margin:14px 0;border:1px solid var(--border);border-left:4px solid var(--c,var(--sky));
  border-radius:var(--r-sm);background:var(--surface)}
.rr-callout .t{font:700 .72rem var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--c,var(--sky));display:block;margin-bottom:2px}
.rr-callout p{margin:0}
.rr-callout.tip{--c:var(--green)}.rr-callout.warn{--c:#B45309}.rr-callout.danger{--c:var(--red)}.rr-callout.prod{--c:var(--purple)}
.rr-callout.quick{--c:var(--link);background:var(--surface2)}
:root[data-theme="dark"] .rr-callout.warn{--c:#F5B642}
/* Q&A collapse (legacy headers become real toggles) */
.rr-q>.q-body,.rr-q>.qbody,.rr-q>.qa-answer{display:none}
.rr-q.rr-open>.q-body,.rr-q.rr-open>.qbody,.rr-q.rr-open>.qa-answer{display:block}
.rr-q>.q-header,.rr-q>.qh,.rr-q>.qa-question{cursor:pointer}
.rr-q>.q-header:focus-visible,.rr-q>.qh:focus-visible,.rr-q>.qa-question:focus-visible{outline-offset:-2px}
.rr-q>.q-header .q-chevron,.rr-q>.qh .qchev{transition:transform .15s}
.rr-q.rr-open>.q-header .q-chevron,.rr-q.rr-open>.qh .qchev{transform:rotate(180deg)}
.rr-qtools{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
/* buttons / chips / cards */
.rr-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:9px;
  font:600 .95rem var(--font-body);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .12s,border-color .12s}
.rr-btn.primary{background:var(--accent-fill);color:#0F1B2D}.rr-btn.primary:hover{background:#FFB81F}
.rr-btn.secondary{background:transparent;border-color:var(--link);color:var(--link)}.rr-btn.secondary:hover{background:var(--surface2)}
.rr-btn.ghost{background:transparent;color:var(--text2)}.rr-btn.ghost:hover{background:var(--surface2)}
.rr-chip{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);color:var(--text2);font-size:.86rem;text-decoration:none;cursor:pointer;font-family:inherit}
.rr-chip:hover,.rr-chip[aria-pressed="true"]{border-color:var(--link);color:var(--link)}
.rr-chip[aria-pressed="true"]{background:var(--surface2);font-weight:600}
.rr-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.rr-card{display:block;padding:16px 18px;border:1px solid var(--border);border-radius:var(--r);background:var(--surface);
  color:var(--text);text-decoration:none;box-shadow:var(--shadow)}
a.rr-card:hover{border-color:var(--link)}
.rr-card h3{margin:0 0 4px;font-size:1rem;line-height:1.3}
.rr-card p{margin:0;color:var(--text2);font-size:.88rem;line-height:1.5}
.rr-card .meta{margin-top:10px;font-size:.78rem;color:var(--text3);display:flex;gap:10px;flex-wrap:wrap}
.rr-card .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cat,#2F80ED);margin-right:6px}
.rr-page-head{margin:0 0 20px}
.rr-page-head h1{font-size:clamp(1.75rem,4vw,2.375rem);line-height:1.2;margin:0 0 8px}
.rr-page-head p{color:var(--text2);margin:0;max-width:70ch;font-size:1.05rem}
.rr-section{margin:0 0 40px}
.rr-section>h2{font-size:clamp(1.25rem,2.5vw,1.6rem);margin:0 0 4px}
.rr-section>.sub{color:var(--text2);margin:0 0 14px}
.rr-cat-linux{--cat:#2F80ED}.rr-cat-unix{--cat:#D97706}.rr-cat-networking{--cat:#0891B2}
.rr-cat-infrastructure{--cat:#64748B}.rr-cat-devops{--cat:#7C3AED}.rr-cat-security{--cat:#DC2626}
.rr-cat-operations{--cat:#0A7A4B}.rr-cat-interview{--cat:#059669}.rr-cat-troubleshooting{--cat:#B45309}
.rr-prose h2{margin:32px 0 8px;padding-top:18px;border-top:1px solid var(--border);font-size:1.4rem}
.rr-prose h3{margin:22px 0 6px;font-size:1.12rem}
.rr-prose ul,.rr-prose ol{padding-left:1.4em;margin:8px 0 14px}
.rr-prose li{margin:4px 0}
.rr-prose :not(pre)>code{background:var(--surface3);color:var(--text);padding:2px 6px;border-radius:5px;font-size:.88em}
:root[data-theme="dark"] .rr-prose :not(pre)>code{background:#1C2943}
.rr-lead{font-size:1.1rem;color:var(--text2)}
details.rr-d{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);margin:10px 0}
details.rr-d>summary{cursor:pointer;padding:12px 14px;font-weight:600;list-style:none;min-height:44px;display:flex;align-items:center}
details.rr-d>summary::-webkit-details-marker{display:none}
details.rr-d>summary::before{content:"▸";margin-right:10px;color:var(--text3);transition:transform .15s}
details.rr-d[open]>summary::before{transform:rotate(90deg)}
details.rr-d>div{padding:0 16px 14px}

/* 8. SEARCH DIALOG --------------------------------------------------------- */
dialog.rr-search{border:0;padding:0;width:min(720px,calc(100vw - 24px));max-height:min(80vh,720px);margin:8vh auto auto;border-radius:16px;
  background:var(--surface);color:var(--text);box-shadow:0 24px 80px rgba(0,0,0,.45);overflow:hidden}
dialog.rr-search::backdrop{background:rgba(5,10,20,.6)}
.rr-sbox{display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--border);height:60px}
.rr-sbox input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--text);font:inherit;font-size:1.08rem}
.rr-sbox .rr-ico{color:var(--text3)}
.rr-sfilters{display:flex;gap:6px;padding:10px 14px;overflow-x:auto;border-bottom:1px solid var(--border);scrollbar-width:none}
.rr-sfilters .rr-chip{flex-shrink:0;min-height:34px}
.rr-sres{overflow-y:auto;max-height:calc(min(80vh,720px) - 170px);padding:6px 0}
.rr-sres a.hit{display:block;padding:10px 18px;color:var(--text);text-decoration:none;border-left:3px solid transparent}
.rr-sres a.hit[aria-selected="true"],.rr-sres a.hit:hover{background:var(--surface2);border-left-color:var(--accent-fill)}
.hit .top{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.96rem;line-height:1.35}
.hit .top .dot{width:8px;height:8px;border-radius:50%;background:var(--cat,#2F80ED);flex-shrink:0}
.hit .path{font-size:.78rem;color:var(--text3);margin:1px 0 3px}
.hit .snip{font-size:.85rem;color:var(--text2);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.hit mark{background:rgba(245,182,66,.4);color:inherit;border-radius:3px;padding:0 1px}
.hit .tag{margin-left:auto;font:600 .66rem var(--font-mono);color:var(--text3);border:1px solid var(--border);padding:1px 6px;border-radius:5px;white-space:nowrap}
.rr-sempty{padding:20px 18px;color:var(--text2)}
.rr-sempty h4{margin:0 0 8px;color:var(--text)}
.rr-shead{padding:10px 18px 2px;font:600 .68rem var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text3)}
.rr-sfoot{display:flex;gap:14px;padding:8px 16px;border-top:1px solid var(--border);font-size:.76rem;color:var(--text3)}
.rr-sclose{margin-left:auto}
@media (max-width:640px){
  dialog.rr-search{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}
  .rr-sres{max-height:calc(100dvh - 150px)}
  .rr-sfoot .kbd-hint{display:none}
}