/* ============================================================
   m3c Docs — wiki pública · tech-noir cian sobre negro
   ============================================================ */

:root {
  --bg: #04070c;
  --bg-2: #070d16;
  --panel: rgba(13, 24, 38, 0.55);
  --panel-solid: #0a1220;
  --line: rgba(0, 200, 255, 0.13);
  --line-strong: rgba(0, 200, 255, 0.32);
  --cyan: #00c8ff;
  --cyan-soft: #5fdcff;
  --cyan-dim: #0a82a8;
  --text: #e8f4fa;
  --text-dim: #93a8b8;
  --text-faint: #5f7283;
  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Chakra Petch', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --topbar-h: 62px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 200, 255, 0.28); color: #fff; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--cyan-dim), #123); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan-dim); }

a { color: var(--cyan); text-decoration: none; }

/* ---------- Atmósfera ---------- */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(0, 140, 200, 0.14), transparent 60%),
    linear-gradient(180deg, #04070c 0%, #060b14 60%, #081120 100%);
}
.atmo-glow {
  position: absolute;
  width: 800px; height: 800px;
  left: 50%; top: -400px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 200, 255, 0.1) 0%, transparent 60%);
  animation: pulse 8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}
.atmo-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 80%);
}

/* ---------- Barra superior ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--topbar-h);
  background: rgba(4, 8, 13, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1480px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 clamp(16px, 3vw, 28px);
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-logo { height: 34px; filter: drop-shadow(0 0 9px rgba(0, 200, 255, 0.4)); }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; color: #fff; letter-spacing: 0.01em; }
.brand-name em { font-style: normal; color: var(--cyan); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.menu-toggle span { width: 22px; height: 2px; background: var(--cyan); transition: 0.3s; }

.search {
  position: relative;
  flex: 1;
  max-width: 460px;
  margin: 0 auto 0 8px;
  display: flex;
  align-items: center;
  gap: 9px;
  background: rgba(6, 12, 22, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  height: 40px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.search:focus-within { border-color: var(--line-strong); box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.1); }
.search svg { width: 17px; height: 17px; color: var(--text-faint); flex-shrink: 0; }
.search input {
  flex: 1;
  background: none; border: none; outline: none;
  color: var(--text); font-family: var(--font-body); font-size: 14px;
}
.search input::placeholder { color: var(--text-faint); }
.search kbd {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
  border: 1px solid var(--line); border-radius: 4px;
  padding: 1px 7px; background: rgba(0, 200, 255, 0.04);
}
.search-results {
  position: absolute;
  top: 48px; left: 0; right: 0;
  background: var(--panel-solid);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  max-height: 60vh; overflow-y: auto;
}
.search-results a {
  display: block;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover, .search-results a.active { background: rgba(0, 200, 255, 0.08); }
.search-results .sr-cat { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan-soft); }
.search-results .sr-title { font-family: var(--font-display); font-size: 14px; color: #fff; }
.search-results .sr-empty { padding: 18px 16px; color: var(--text-dim); font-size: 14px; }

.top-links { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.top-links a {
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.25s;
}
.top-links a:hover { color: var(--cyan); }
.top-admin {
  border: 1px solid var(--line-strong); border-radius: 6px; padding: 7px 14px;
  color: var(--cyan-soft) !important;
}
.top-admin:hover { background: rgba(0, 200, 255, 0.08); }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 3px;
  font-family: var(--font-display); font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  background: rgba(0, 200, 255, 0.05); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 6px 11px; cursor: pointer; transition: all 0.25s;
}
.lang-toggle:hover { background: rgba(0, 200, 255, 0.12); box-shadow: 0 0 12px rgba(0, 200, 255, 0.15); }
.lang-toggle .lang-sep { color: var(--text-faint); }
.lang-toggle .lang-on { color: var(--cyan); }
.lang-toggle .lang-off { color: var(--text-faint); }
.lang-toggle.en .lang-on { color: var(--text-faint); }
.lang-toggle.en .lang-off { color: var(--cyan); }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr) 230px;
  max-width: 1480px;
  margin: 0 auto;
  padding-top: var(--topbar-h);
  gap: 0;
  align-items: start;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 26px 16px 40px 22px;
  border-right: 1px solid var(--line);
}
.side-group { margin-bottom: 22px; }
.side-group-head {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-display);
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--cyan-soft);
  padding: 6px 10px; margin-bottom: 4px;
}
.side-group-head svg { width: 15px; height: 15px; opacity: 0.8; }
.side-link {
  display: block;
  padding: 7px 12px 7px 22px;
  font-size: 14px;
  color: var(--text-dim);
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.side-link:hover { color: var(--text); background: rgba(0, 200, 255, 0.05); }
.side-link.active {
  color: var(--cyan-soft);
  background: linear-gradient(90deg, rgba(0, 200, 255, 0.12), transparent);
  border-left-color: var(--cyan);
  font-weight: 600;
}
.side-foot {
  margin-top: 30px; padding: 16px 10px 0;
  border-top: 1px solid var(--line);
}
.side-foot p { font-family: var(--font-display); font-size: 12px; color: #fff; }
.side-foot span { font-size: 12px; color: var(--text-faint); }

.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 90;
  background: rgba(2, 5, 9, 0.6);
}

/* ---------- Contenido ---------- */
.content {
  min-width: 0;
  padding: 44px clamp(24px, 4vw, 60px) 100px;
}
.loading { display: flex; justify-content: center; padding: 80px; }
.loading span {
  width: 30px; height: 30px;
  border: 2px solid var(--line);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.breadcrumb { font-size: 13px; color: var(--text-faint); margin-bottom: 14px; letter-spacing: 0.04em; }
.breadcrumb span { color: var(--cyan-soft); }

.page-meta {
  display: flex; align-items: center; gap: 16px;
  margin-top: 8px; margin-bottom: 30px;
  font-size: 12px; color: var(--text-faint);
  padding-bottom: 22px; border-bottom: 1px solid var(--line);
}
.page-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-faint); }

/* ---------- Prosa / Markdown ---------- */
.prose { font-size: 16px; max-width: 820px; }
.prose > *:first-child { margin-top: 0; }
.prose h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(28px, 4vw, 38px); line-height: 1.2; color: #fff;
  margin: 0 0 6px; letter-spacing: -0.01em;
}
.prose h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 24px; color: #fff; margin: 46px 0 16px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
  scroll-margin-top: 80px;
}
.prose h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 18px; color: #fff; margin: 34px 0 12px; scroll-margin-top: 80px;
}
.prose h4 { font-size: 16px; color: var(--cyan-soft); margin: 26px 0 10px; scroll-margin-top: 80px; }
.prose p { margin: 14px 0; color: var(--text); }
.prose a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0, 200, 255, 0.3); transition: border-color 0.2s; }
.prose a:hover { border-bottom-color: var(--cyan); }
.prose strong { color: #fff; font-weight: 700; }
.prose em { color: var(--cyan-soft); }
.prose ul, .prose ol { margin: 14px 0; padding-left: 26px; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--cyan); }
.prose img { max-width: 100%; border-radius: 8px; border: 1px solid var(--line); margin: 18px 0; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 36px 0; }

.prose h1 .anchor, .prose h2 .anchor, .prose h3 .anchor, .prose h4 .anchor {
  opacity: 0; margin-left: 10px; color: var(--cyan-dim); font-weight: 400;
  text-decoration: none; border: none; font-size: 0.8em; transition: opacity 0.2s;
}
.prose h1:hover .anchor, .prose h2:hover .anchor, .prose h3:hover .anchor, .prose h4:hover .anchor { opacity: 1; }

/* Código en línea */
code.inline {
  font-family: var(--font-mono); font-size: 0.88em;
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--cyan-soft);
  padding: 2px 6px; border-radius: 4px;
}

/* Bloque de código */
.code-block {
  position: relative;
  margin: 20px 0;
  background: #060c15;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.code-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px;
  background: rgba(0, 200, 255, 0.04);
  border-bottom: 1px solid var(--line);
  min-height: 38px;
}
.code-lang {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan-soft);
}
.code-copy {
  margin-left: auto;
  font-family: var(--font-body); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(0, 200, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 5px; padding: 5px 12px; cursor: pointer;
  transition: all 0.2s;
}
.code-copy:hover { color: var(--cyan); border-color: var(--line-strong); }
.code-copy.done { color: #04111a; background: var(--cyan); border-color: var(--cyan); }
.code-block pre { margin: 0; padding: 16px 18px; overflow-x: auto; }
.code-block code {
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7;
  color: #cfe8f2; white-space: pre;
}
.tok-com { color: #5a7385; font-style: italic; }
.tok-str { color: #6fe3c2; }
.tok-num { color: #ff9f6b; }
.tok-kw { color: #4cc8ff; font-weight: 600; }

/* Tablas */
.table-wrap { margin: 20px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.prose th {
  font-family: var(--font-display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--cyan-soft);
  background: rgba(0, 200, 255, 0.05);
}
.prose tbody tr:last-child td { border-bottom: none; }
.prose tbody tr:hover { background: rgba(0, 200, 255, 0.03); }

/* Citas */
.prose blockquote {
  margin: 18px 0; padding: 4px 20px;
  border-left: 3px solid var(--cyan-dim);
  color: var(--text-dim); font-style: italic;
}

/* Callouts */
.callout {
  margin: 22px 0;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: 8px;
  padding: 14px 18px;
  background: rgba(13, 24, 38, 0.5);
}
.callout-head { display: flex; align-items: center; gap: 9px; margin-bottom: 6px; }
.callout-icon {
  width: 22px; height: 22px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 5px; font-size: 13px; font-weight: 700;
}
.callout-title { font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: 0.03em; }
.callout-body > *:first-child { margin-top: 0; }
.callout-body > *:last-child { margin-bottom: 0; }
.callout-body p { color: var(--text); font-style: normal; }

.callout-info { border-left-color: var(--cyan); }
.callout-info .callout-icon { background: rgba(0, 200, 255, 0.16); color: var(--cyan); }
.callout-info .callout-title { color: var(--cyan-soft); }

.callout-tip { border-left-color: #b07bff; }
.callout-tip .callout-icon { background: rgba(176, 123, 255, 0.16); color: #c39bff; }
.callout-tip .callout-title { color: #c39bff; }

.callout-success { border-left-color: #3ddc97; }
.callout-success .callout-icon { background: rgba(61, 220, 151, 0.16); color: #3ddc97; }
.callout-success .callout-title { color: #6fe3c2; }

.callout-warning { border-left-color: #ffb454; }
.callout-warning .callout-icon { background: rgba(255, 180, 84, 0.16); color: #ffb454; }
.callout-warning .callout-title { color: #ffc878; }

.callout-danger { border-left-color: #ff5d73; }
.callout-danger .callout-icon { background: rgba(255, 93, 115, 0.16); color: #ff5d73; }
.callout-danger .callout-title { color: #ff8a99; }

/* Paginación inferior */
.page-nav {
  display: flex; gap: 16px; margin-top: 60px;
  padding-top: 30px; border-top: 1px solid var(--line);
}
.page-nav a {
  flex: 1; padding: 16px 20px;
  border: 1px solid var(--line); border-radius: 10px;
  transition: border-color 0.25s, background 0.25s;
}
.page-nav a:hover { border-color: var(--line-strong); background: rgba(0, 200, 255, 0.04); }
.page-nav .pn-label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.page-nav .pn-title { font-family: var(--font-display); font-size: 15px; color: #fff; margin-top: 4px; }
.page-nav .pn-next { text-align: right; }

/* ---------- TOC ---------- */
.toc {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 46px 22px 40px 18px;
}
.toc-title {
  font-family: var(--font-display); font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint);
  margin-bottom: 14px;
}
.toc a {
  display: block;
  font-size: 13px; color: var(--text-dim);
  padding: 5px 0 5px 12px;
  border-left: 1px solid var(--line);
  transition: color 0.2s, border-color 0.2s;
}
.toc a.lvl-3 { padding-left: 26px; font-size: 12.5px; }
.toc a:hover { color: var(--text); }
.toc a.active { color: var(--cyan-soft); border-left-color: var(--cyan); }

/* ---------- Home ---------- */
.home-hero { max-width: 860px; padding: 30px 0 10px; }
.home-kicker {
  font-size: 12px; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 16px; text-shadow: 0 0 14px rgba(0, 200, 255, 0.5);
}
.home-hero h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(34px, 6vw, 56px); line-height: 1.1; color: #fff;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.home-hero h1 em { font-style: normal; color: var(--cyan); text-shadow: 0 0 28px rgba(0, 200, 255, 0.45); }
.home-hero p { font-size: 18px; color: var(--text-dim); max-width: 640px; }

.home-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px; margin-top: 48px;
}
.home-card {
  display: block;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.home-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.45), 0 0 28px rgba(0, 200, 255, 0.06);
}
.home-card .hc-icon {
  width: 44px; height: 44px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 9px;
  background: rgba(0, 200, 255, 0.06); color: var(--cyan);
}
.home-card .hc-icon svg { width: 22px; height: 22px; }
.home-card h3 { font-family: var(--font-display); font-size: 16px; color: #fff; margin-bottom: 8px; }
.home-card p { font-size: 13.5px; color: var(--text-dim); }
.home-card .hc-count { font-size: 12px; color: var(--cyan-soft); margin-top: 12px; letter-spacing: 0.06em; }

.not-found { text-align: center; padding: 100px 20px; }
.not-found h1 { font-family: var(--font-display); font-size: 60px; color: var(--cyan); }
.not-found p { color: var(--text-dim); margin: 12px 0 24px; }
.not-found a { color: var(--cyan); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .layout { grid-template-columns: 248px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 820px) {
  .menu-toggle { display: flex; }
  .top-links .top-admin { display: none; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed;
    top: var(--topbar-h); left: 0; bottom: 0;
    width: 280px; z-index: 95;
    background: rgba(5, 9, 15, 0.98);
    transform: translateX(-105%);
    transition: transform 0.35s var(--ease);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar.open ~ .sidebar-backdrop { display: block; }
  .search { max-width: none; }
  .search kbd { display: none; }
}
@media (max-width: 560px) {
  .top-links a:not(.top-admin) { display: none; }
  .brand-name { display: none; }
}