/* ============================================================
   Nexus Mirror Desk — style.css
   Dark neutral theme, coral accent, dense "live site" feel.
   Type: Space Grotesk (display) + system body + JetBrains Mono (addresses)
   ============================================================ */

:root {
  --bg:        #111214;
  --bg-2:      #16181b;
  --panel:     #1b1e22;
  --panel-2:   #20242a;
  --line:      #2a2e34;
  --line-2:    #363b43;
  --text:      #e8e9ec;
  --muted:     #9aa0a8;
  --faint:     #6b7178;
  --accent:    #f0544f;
  --accent-2:  #ff6b66;
  --ok:        #46c08a;
  --warn:      #e0a94a;
  --maxw:      1180px;
  --readw:     820px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.7rem); }
h2 { font-size: clamp(1.35rem, 1.15rem + 1vw, 1.7rem); margin-top: 1.8em; }
h3 { font-size: 1.15rem; margin-top: 1.5em; }
p  { margin: 0 0 1.05em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
li { margin-bottom: 0.4em; }
code { font-family: var(--font-mono); font-size: 0.9em; background: var(--panel-2); padding: 0.1em 0.35em; border-radius: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(17,18,20,0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 6px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -0.01em; }
.brand-x { color: var(--muted); font-weight: 500; }

.main-nav { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  color: var(--muted); font-size: 0.92rem; font-weight: 500;
  padding: 8px 12px; border-radius: 7px; line-height: 1;
}
.nav-menu a:hover { color: var(--text); text-decoration: none; background: var(--panel); }
.nav-menu a.active { color: var(--text); background: var(--panel); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text);
  border-radius: 7px; padding: 7px 9px; cursor: pointer; }

/* ---------- Main / page ---------- */
.main { padding: 26px 0 64px; }

.page-grid { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 48px; align-items: start; }
.page-main { max-width: var(--readw); min-width: 0; }
.page-main h1 { margin-bottom: 0.5em; }
.meta { color: var(--faint); font-size: 0.85rem; margin-bottom: 1.6em; }

/* Breadcrumb — inside the container, above the grid */
.breadcrumb { margin: 0 0 22px; }
.crumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; font-size: 0.85rem; }
.crumbs a { color: var(--muted); font-weight: 500; }
.crumbs a:hover { color: var(--text); text-decoration: none; }
.crumbs [aria-current] { color: var(--text); font-weight: 600; }
.crumb-sep { color: var(--line-2); }

/* ---------- Sidebar ---------- */
.page-side { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 16px; }
.side-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.side-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.side-card-title { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; margin-bottom: 12px; }
.side-card-head .side-card-title { margin-bottom: 0; }
.side-card .mirror-list { padding: 0; }
.side-card .mirror-row { padding: 9px 0; }
.side-card .onion { font-size: 0.72rem; padding: 7px 9px; min-width: 0; }
.side-card .mirror-actions { flex-wrap: wrap; gap: 8px; }
.side-card .mirror-checked { display: none; }
.side-card .copy-btn { padding: 6px 11px; font-size: 0.72rem; }

.toc { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a { display: block; color: var(--muted); font-size: 0.88rem; padding: 7px 0; border-top: 1px solid var(--line); }
.toc li:first-child a { border-top: 0; padding-top: 0; }
.toc a:hover { color: var(--accent-2); text-decoration: none; }

.quicklinks { list-style: none; margin: 0; padding: 0; }
.quicklinks li { margin: 0; }
.quicklinks a { display: block; color: var(--muted); font-size: 0.88rem; padding: 7px 0; border-top: 1px solid var(--line); }
.quicklinks li:first-child a { border-top: 0; padding-top: 0; }
.quicklinks a:hover { color: var(--accent-2); text-decoration: none; }

/* ---------- Mirror list ---------- */
.mirrors-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 18px 8px;
  margin: 0 0 2.2em;
}
.mirrors-head { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(70,192,138,0.18); }
.status-text { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

.mirror-list { list-style: none; margin: 0; padding: 0; }
.mirror-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 0; border-top: 1px solid var(--line);
}
.mirror-row:first-child { border-top: 0; }
.onion {
  flex: 1 1 240px; min-width: 0;
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 7px;
  padding: 9px 11px; word-break: break-all; line-height: 1.5;
}
.mirror-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.mirror-checked { font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }
.copy-btn {
  font-family: var(--font-mono); font-size: 0.76rem; font-weight: 500;
  color: var(--text); background: var(--panel-2); border: 1px solid var(--line-2);
  border-radius: 7px; padding: 8px 14px; cursor: pointer; transition: border-color .15s, background .15s;
}
.copy-btn:hover { border-color: var(--accent); background: #262b31; }
.copy-btn.copied { border-color: var(--ok); color: var(--ok); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; font-weight: 600; font-size: 0.95rem;
  color: var(--text); background: var(--accent); border: 1px solid var(--accent);
  padding: 11px 20px; border-radius: 9px;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; text-decoration: none; }

/* ---------- Guides / related ---------- */
.guides, .related { margin-top: 2.4em; }
.guides h2, .related h2 { font-size: 1.2rem; margin-bottom: 0.9em; }
.guides-list, .related-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 28px; }
.guides-list li, .related-list li {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  padding: 11px 0; border-top: 1px solid var(--line);
}
.guides-list a, .related-list a { color: var(--text); }
.guides-list a:hover, .related-list a:hover { color: var(--accent-2); text-decoration: none; }
.guides-list time { color: var(--faint); font-family: var(--font-mono); font-size: 0.74rem; white-space: nowrap; }

/* ---------- Author card ---------- */
.author-card {
  display: flex; gap: 16px; align-items: flex-start;
  margin-top: 2.6em; padding: 18px; background: var(--bg-2);
  border: 1px solid var(--line); border-radius: 12px;
}
.author-card img { border-radius: 50%; flex: 0 0 auto; background: var(--panel-2); }
.author-name { margin: 0 0 4px; font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.author-bio { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; }

/* ---------- 404 ---------- */
.notfound { text-align: left; padding: 30px 0; }
.nf-code { font-family: var(--font-mono); font-size: 3.5rem; font-weight: 700; color: var(--accent); margin: 0 0 0.2em; line-height: 1; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 40px 0 28px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; margin-bottom: 12px; }
.footer-about p { color: var(--muted); font-size: 0.88rem; max-width: 34ch; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--faint); margin: 0 0 12px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: var(--muted); font-size: 0.9rem; }
.footer-col a:hover { color: var(--text); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 22px; }
.footer-bottom p { margin: 0 0 8px; color: var(--faint); font-size: 0.82rem; }
.disclaimer { max-width: 80ch; line-height: 1.55; }

/* ---------- Mobile ---------- */
@media (max-width: 980px) {
  .page-grid { grid-template-columns: 1fr; gap: 28px; }
  .page-side { position: static; order: 2; }
  .page-main { max-width: 100%; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .guides-list, .related-list { grid-template-columns: 1fr; }
  .mirror-row { flex-direction: column; align-items: stretch; }
  .onion { flex-basis: auto; }
  .mirror-actions { justify-content: space-between; }
  .footer-grid { grid-template-columns: 1fr; }
  .author-card { flex-direction: column; }
}