/* titopinardogutierrez.com — sin dependencias, sin fuentes externas. */

/* ------------------------------------------------------------ tokens */
:root {
  --bg: #0a0e17;
  --bg-glow-1: rgba(45, 212, 191, .10);
  --bg-glow-2: rgba(129, 140, 248, .10);
  --dot: rgba(148, 163, 184, .07);
  --surface: #111827;
  --surface-2: #172036;
  --border: #23314b;
  --border-strong: #33456a;
  --text: #e6edf7;
  --muted: #93a1b8;
  --accent: #2dd4bf;
  --accent-ink: #042f2b;
  --accent-soft: rgba(45, 212, 191, .14);
  --accent-2: #818cf8;
  --accent-2-soft: rgba(129, 140, 248, .16);
  --xp: #a3e635;
  --warn: #fbbf24;
  --danger: #f87171;
  --ok: #4ade80;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --radius: 14px;
  --radius-sm: 9px;
  --max: 1180px;
  --gutter: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --k-edge: #94a3b8;
  --k-network: #38bdf8;
  --k-compute: #2dd4bf;
  --k-control: #a78bfa;
  --k-observability: #fbbf24;
  --k-ai: #f472b6;
  --k-app: #a3e635;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f7fb;
    --bg-glow-1: rgba(13, 148, 136, .08);
    --bg-glow-2: rgba(79, 70, 229, .07);
    --dot: rgba(15, 23, 42, .06);
    --surface: #ffffff;
    --surface-2: #f0f4fa;
    --border: #d9e1ec;
    --border-strong: #b8c5d8;
    --text: #0f172a;
    --muted: #4f5d73;
    --accent: #0f766e;
    --accent-ink: #ffffff;
    --accent-soft: rgba(15, 118, 110, .10);
    --accent-2: #4f46e5;
    --accent-2-soft: rgba(79, 70, 229, .10);
    --xp: #4d7c0f;
    --warn: #b45309;
    --danger: #b91c1c;
    --ok: #15803d;
    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --k-edge: #64748b;
    --k-network: #0284c7;
    --k-compute: #0f766e;
    --k-control: #7c3aed;
    --k-observability: #b45309;
    --k-ai: #be185d;
    --k-app: #4d7c0f;
    color-scheme: light;
  }
}

/* ------------------------------------------------------------ base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 var(--font);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 500px at 85% -10%, var(--bg-glow-2), transparent 60%),
    radial-gradient(800px 500px at -10% 10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: auto, auto, 22px 22px;
  background-attachment: fixed;
  overflow-x: hidden;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.3rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
code { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.lead { font-size: 1.15rem; color: var(--text); max-width: 62ch; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
html:not(.js) .js-only { display: none !important; }
[hidden] { display: none !important; }

/* ------------------------------------------------------------ botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  min-height: 42px; padding: 0 16px;
  font: 600 .95rem/1 var(--font); color: var(--text); text-decoration: none;
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 10px;
  cursor: pointer; transition: transform .15s, border-color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border); }
.btn-sm { min-height: 34px; padding: 0 12px; font-size: .85rem; }
.btn-icon { width: 42px; padding: 0; font-family: var(--mono); }
.btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }

/* ------------------------------------------------------------ barra superior */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 10px max(var(--gutter), calc((100vw - var(--max)) / 2));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; white-space: nowrap; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  font: 800 .85rem/1 var(--mono); color: var(--accent);
  border: 2px solid var(--accent); border-radius: 9px;
}
.brand-name { display: none; }
.zone-nav { display: none; margin-left: auto; }
.zone-nav ol { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.zone-nav a {
  display: flex; align-items: baseline; gap: 6px; padding: 6px 10px; border-radius: 8px;
  color: var(--muted); text-decoration: none; font-size: .86rem; font-weight: 600; white-space: nowrap;
}
.zone-nav a:hover, .zone-nav a.is-current { color: var(--text); background: var(--surface-2); }
.zone-nav a.is-found .zone-n { color: var(--accent); }
.topbar-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.topbar-actions .btn { white-space: nowrap; }
.zone-nav + .topbar-actions { margin-left: 8px; }
.zone-n { font: 700 .72rem/1 var(--mono); color: var(--muted); letter-spacing: .04em; }
@media (min-width: 640px) { .brand-name { display: inline; } }
@media (min-width: 1240px) { .zone-nav { display: block; } .brand-name { display: none; } }
@media (max-width: 420px) { .topbar [data-quick-toggle] { padding: 0 10px; font-size: .85rem; } }

/* ------------------------------------------------------------ secciones */
main { display: block; }
.hero, .quick, .world, .zone, .section {
  width: 100%; max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter);
}
.zone, .section { padding-top: 72px; padding-bottom: 8px; }
.narrow { max-width: 720px; }
.zone-head { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; align-items: baseline; margin-bottom: 24px; }
.zone-head .zone-n { grid-row: span 2; font-size: .9rem; color: var(--accent); padding: 6px 8px; border: 1px solid var(--accent); border-radius: 8px; align-self: center; }
.zone-head h2 { margin: 0; }
.zone-head p { margin: 0; color: var(--muted); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0; }
.chips li {
  font: 600 .78rem/1 var(--mono); padding: 6px 9px; border-radius: 7px;
  color: var(--muted); background: var(--surface-2); border: 1px solid var(--border);
}
.bullets { padding-left: 1.2em; margin: 0 0 1em; }
.bullets li { margin-bottom: .4em; }
.bullets li::marker { color: var(--accent); }

/* ------------------------------------------------------------ héroe */
.hero {
  display: grid; gap: 28px; padding-top: 48px; padding-bottom: 24px;
  grid-template-columns: 1fr; align-items: center;
}
.kicker { font: 700 .9rem/1 var(--mono); color: var(--accent); margin-bottom: 12px; }
.kicker::before { content: "> "; opacity: .6; }
.hero h1 { margin-bottom: .2em; background: linear-gradient(100deg, var(--text) 40%, var(--accent) 110%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.role { font: 600 1rem/1.4 var(--mono); color: var(--muted); margin-bottom: 18px; }
.looking { display: flex; align-items: center; gap: 10px; font-weight: 600; margin-bottom: 22px; }
.pulse { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.player-card {
  position: relative; padding: 22px; border-radius: 18px;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
.player-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, var(--accent), transparent 40%, transparent 60%, var(--accent-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.pc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.pc-avatar {
  display: grid; place-items: center; width: 56px; height: 56px; flex: none;
  font: 800 1.2rem/1 var(--mono); color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-radius: 14px;
}
.pc-name { font-weight: 750; margin: 0; }
.pc-class { margin: 0; color: var(--muted); font-size: .9rem; }
.pc-bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pc-bar-label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 4px; }
.pc-bar { display: block; width: 100%; height: 8px; }
.pc-bar-bg { fill: var(--border); }
.pc-bar-fg { fill: var(--accent); }
.pc-bar-xp { fill: var(--xp); transition: width .6s ease; }
.pc-xp { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--border-strong); font: 600 .8rem/1.4 var(--mono); color: var(--muted); display: grid; gap: 6px; }
.pc-xp-count { color: var(--xp); }

.stats { grid-column: 1 / -1; list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stats li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stats strong { display: block; font: 800 1.8rem/1.1 var(--font); color: var(--accent); letter-spacing: -.02em; }
.stats span { font-size: .85rem; color: var(--muted); }
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.5fr 1fr; padding-top: 72px; }
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------ vista rápida */
.quick { padding-top: 32px; }
.quick-card { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent-2); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.quick-card header { margin-bottom: 10px; }
.quick-card h2 { font-size: 1.4rem; margin: 0; }
.facts { display: grid; gap: 10px; margin: 16px 0 20px; }
.facts div { display: grid; gap: 2px; }
.facts dt { font: 700 .75rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }
@media (min-width: 760px) { .facts { grid-template-columns: repeat(2, 1fr); gap: 14px 28px; } }
.hint { margin: 18px 0 0; color: var(--muted); font-size: .95rem; }

/* ------------------------------------------------------------ mapa de zonas */
.world { padding-top: 20px; }
.world-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 760px) { .world-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .world-grid { grid-template-columns: repeat(7, 1fr); } }
.world-tile {
  position: relative; display: grid; gap: 4px; height: 100%; padding: 14px;
  color: var(--text); text-decoration: none;
  background: var(--surface); border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  transition: border-color .2s, transform .2s, background .2s;
}
.world-tile strong { font-size: .95rem; }
.world-tile .muted { font-size: .8rem; line-height: 1.35; }
.world-tile:hover { transform: translateY(-2px); border-color: var(--accent); }
.tile-state { position: absolute; top: 12px; right: 12px; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border-strong); }
.world-tile.is-found { border-style: solid; border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); background: linear-gradient(160deg, var(--accent-soft), var(--surface) 60%); }
.world-tile.is-found .zone-n { color: var(--accent); }
.world-tile.is-found .tile-state { border-color: var(--accent); background: var(--accent); box-shadow: inset 0 0 0 3px var(--surface); }

/* ------------------------------------------------------------ base / about */
.about-grid { display: grid; gap: 24px; }
.prose p { max-width: 68ch; }
.values { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.values .card { padding: 16px 18px; border-left: 3px solid var(--accent); }
.values h3 { margin-bottom: .3em; }
.values p { margin: 0; color: var(--muted); font-size: .95rem; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.4fr 1fr; gap: 40px; } }

/* ------------------------------------------------------------ árbol de habilidades */
.tree { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .tree { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .tree { grid-template-columns: repeat(5, 1fr); } }
.branch { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.branch header { margin-bottom: 12px; }
.branch-icon { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px; }
.branch h3 { font-size: 1rem; margin-bottom: .25em; }
.branch .muted { font-size: .85rem; margin: 0; }
.skills { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.skill {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; min-height: 40px; text-align: left;
  font: 600 .86rem/1.25 var(--font); color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
html:not(.js) .skill { cursor: default; }
.skill:hover { border-color: var(--accent); }
.skill[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.skill[data-unused] { cursor: default; }
.pips { display: inline-flex; gap: 3px; flex: none; }
.pips i { width: 7px; height: 7px; border-radius: 2px; background: var(--border-strong); }
.lvl-1 .pips i:nth-child(-n+1), .pips.lvl-1 i:nth-child(-n+1),
.lvl-2 .pips i:nth-child(-n+2), .pips.lvl-2 i:nth-child(-n+2),
.lvl-3 .pips i, .pips.lvl-3 i { background: var(--accent); }
.legend { margin-top: 16px; font-size: .85rem; }
.legend .pips { vertical-align: middle; }

/* ------------------------------------------------------------ misiones */
.filter-status { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; padding: 10px 14px; border-radius: 10px; background: var(--accent-soft); border: 1px solid var(--accent); }
.quests { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .quests { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .quests { grid-template-columns: repeat(3, 1fr); } .quest.is-featured:first-child { grid-column: span 2; } }
.quest article {
  height: 100%; display: flex; flex-direction: column; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  transition: opacity .25s, transform .25s, border-color .25s;
}
.quest.is-featured article { background: linear-gradient(170deg, var(--surface-2), var(--surface) 70%); border-color: var(--border-strong); }
.quest.is-match article { border-color: var(--accent); }
.quest.is-dim article { opacity: .35; transform: scale(.98); }
.quest h3 { font-size: 1.2rem; margin: 10px 0 6px; }
.tagline { color: var(--muted); margin: 0; }
.quest .chips { margin-top: auto; }
.quest .chips li.is-hit { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.badge { display: inline-block; font: 700 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 5px 8px; border-radius: 6px; border: 1px solid; }
.badge-done { color: var(--accent-2); border-color: var(--accent-2); background: var(--accent-2-soft); }
.badge-live { color: var(--ok); border-color: var(--ok); }
.badge-ongoing { color: var(--warn); border-color: var(--warn); }
details summary { cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--muted); list-style: none; display: flex; align-items: center; gap: 8px; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "+"; display: grid; place-items: center; width: 22px; height: 22px; flex: none; font: 700 .9rem/1 var(--mono); color: var(--accent); border: 1px solid var(--accent); border-radius: 6px; }
details[open] summary::before { content: "−"; }
details summary:hover { color: var(--text); }
.quest-body { padding-top: 14px; }
.problem { color: var(--muted); font-style: italic; }
.outcome { font-weight: 650; padding: 10px 12px; border-radius: 8px; background: var(--accent-soft); }
.outcome span { color: var(--accent); }
.lesson { font-size: .95rem; padding: 10px 12px; border-radius: 8px; background: var(--accent-2-soft); }

/* ------------------------------------------------------------ trayectoria */
.journey-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .journey-grid { grid-template-columns: 1.6fr 1fr; gap: 40px; } }
.timeline { list-style: none; margin: 0; padding: 0 0 0 26px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2)); border-radius: 2px; }
.timeline > li { position: relative; padding-bottom: 26px; }
.timeline > li::before { content: ""; position: absolute; left: -26px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.timeline > li.tl-education::before { border-color: var(--accent-2); border-radius: 4px; }
.tl-period { font: 700 .8rem/1.3 var(--mono); color: var(--accent); margin-bottom: 4px; }
.tl-education .tl-period { color: var(--accent-2); }
.side { display: grid; gap: 14px; align-content: start; }
.langs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.langs li { display: grid; }
.langs span { color: var(--muted); font-size: .9rem; }

/* ------------------------------------------------------------ laboratorio */
.lab { display: grid; gap: 16px; }
.lab-flows-title { margin: 0 0 8px; }
.flow-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0 10px; padding: 4px; width: fit-content; max-width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.flow-tab { min-height: 34px; padding: 0 12px; font: 600 .85rem/1 var(--font); color: var(--muted); background: none; border: 0; border-radius: 9px; cursor: pointer; transition: background .2s, color .2s; }
.flow-tab:hover { color: var(--text); }
.flow-tab[aria-selected="true"] { color: var(--accent-ink); background: var(--accent); }
.flow-buttons > li[hidden] { display: none; }
.flow-buttons { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.flow-btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 14px;
  font-weight: 600; font-size: .9rem; color: var(--text); text-decoration: none;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 999px;
  transition: border-color .2s, background .2s, transform .2s;
}
.flow-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.flow-btn.is-active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.flow-btn.is-done .flow-dot { background: var(--xp); border-color: var(--xp); }
.flow-dot { width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--muted); }
.flow-btn.is-active .flow-dot { border-color: var(--accent); background: var(--accent); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .3; } }

.lab-screen { display: grid; gap: 14px; }
@media (min-width: 1100px) { .lab-screen { grid-template-columns: 1fr 300px; align-items: start; } }
.lab-map {
  display: block; width: 100%; height: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.lab-map-wrap { min-width: 0; overflow-x: auto; border-radius: var(--radius); scrollbar-width: thin; }
@media (max-width: 899px) { .lab-map { width: 860px; max-width: none; } }
.grid-line { fill: none; stroke: var(--dot); stroke-width: 1; }
.lab-outside { fill: var(--muted); font: 700 13px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.lab-server { fill: color-mix(in srgb, var(--accent) 4%, transparent); stroke: var(--accent); stroke-width: 2; stroke-dasharray: 2 6; stroke-linecap: round; }
.lab-server-title { fill: var(--accent); font: 800 18px var(--font); }
.lab-server-specs { fill: var(--muted); font: 600 13px var(--mono); }
.lab-group rect { fill: color-mix(in srgb, var(--surface-2) 70%, transparent); stroke: var(--border); stroke-width: 1.5; transition: stroke .3s, fill .3s; }
.lab-group text { fill: var(--muted); font: 700 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.lab-group.is-on rect { stroke: var(--accent); fill: color-mix(in srgb, var(--accent) 7%, var(--surface-2)); }
.lab-link { stroke: var(--border-strong); stroke-width: 2; stroke-dasharray: 5 7; }
.flow-trail { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; opacity: .85; }
.flow-trail.is-old { opacity: .35; stroke-dasharray: 4 6; animation: flow 1s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -20; } }
.packet { fill: var(--accent); }
.packet-glow { fill: var(--accent); opacity: .35; filter: url(#glow); }
.lab-node { cursor: pointer; }
.lab-node .node-box { fill: var(--surface); stroke: var(--kind, var(--border-strong)); stroke-width: 1.8; transition: fill .25s, stroke-width .25s; }
.lab-node .node-halo { fill: none; stroke: var(--kind); stroke-width: 2; opacity: 0; transition: opacity .25s; }
.lab-node .node-led { fill: var(--kind); animation: led 3s ease-in-out infinite; }
.lab-node:nth-child(3n) .node-led { animation-delay: -1s; }
.lab-node:nth-child(3n+1) .node-led { animation-delay: -2s; }
@keyframes led { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.lab-node text { fill: var(--text); font: 600 14px var(--font); pointer-events: none; }
.lab-node:hover .node-box, .lab-node:focus-visible .node-box { stroke-width: 3; }
.lab-node:focus-visible { outline: none; }
.lab-node.is-active .node-box { fill: color-mix(in srgb, var(--kind) 22%, var(--surface)); stroke-width: 3; }
.lab-node.is-active .node-halo { opacity: .8; animation: halo 1.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.lab-node.is-visited .node-box { fill: color-mix(in srgb, var(--kind) 10%, var(--surface)); }
.lab-node.is-dim { opacity: .38; transition: opacity .3s; }
@keyframes halo { from { opacity: .9; transform: scale(.94); } to { opacity: 0; transform: scale(1.12); } }
.kind-edge { --kind: var(--k-edge); }
.kind-network { --kind: var(--k-network); }
.kind-compute { --kind: var(--k-compute); }
.kind-control { --kind: var(--k-control); }
.kind-observability { --kind: var(--k-observability); }
.kind-ai { --kind: var(--k-ai); }
.kind-app { --kind: var(--k-app); }
.lab-legend { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .82rem; color: var(--muted); }
.lab-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--kind); margin-right: 6px; vertical-align: middle; }

.lab-console {
  position: relative; padding: 16px; border-radius: var(--radius);
  background: linear-gradient(170deg, var(--surface-2), var(--surface)); border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
@media (min-width: 1100px) { .lab-console { position: sticky; top: 90px; } }
.console-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.mini-hermes { width: 40px; height: 40px; flex: none; }
.mini-hermes .hermes-svg { width: 100%; height: 100%; }
.console-title { display: grid; }
.console-text { min-height: 4.8em; margin-bottom: 12px; }
.console-text.is-typing::after { content: "▍"; color: var(--accent); animation: blink .8s infinite; }
.console-trail { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.console-trail li { font: 600 .72rem/1 var(--mono); padding: 5px 7px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); }
.console-trail li.is-done { color: var(--text); border-color: var(--border-strong); }
.console-trail li.is-now { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.console-controls { display: flex; gap: 6px; flex-wrap: wrap; }
.flow-lists { display: grid; gap: 8px; }
.flow-lists details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; }
.flow-lists ol { margin: 10px 0 0; padding-left: 1.3em; color: var(--muted); }
.flow-lists li { margin-bottom: .35em; }
.flow-lists strong { color: var(--text); }
.js .flow-lists { display: none; }
.lab-nodes { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .lab-nodes { grid-template-columns: repeat(2, 1fr); } }
.js .lab-nodes { display: none; }
@media (min-width: 1000px) { .lab-nodes { grid-template-columns: repeat(3, 1fr); } }
.lab-info { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--kind); border-radius: var(--radius-sm); padding: 14px 16px; scroll-margin-top: 90px; }
.lab-info h3 { font-size: 1rem; }
.lab-info p { color: var(--muted); font-size: .93rem; margin-bottom: .6em; }
.lab-info:target { box-shadow: 0 0 0 1px var(--kind), var(--shadow); }

/* ------------------------------------------------------------ Hermes */
.hermes { position: fixed; z-index: 55; left: var(--gutter); bottom: var(--gutter); display: flex; flex-direction: column; align-items: flex-start; gap: 10px; pointer-events: none; }
.hermes > * { pointer-events: auto; }
.hermes-avatar {
  position: relative; width: 64px; height: 64px; padding: 6px; border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, var(--surface-2), var(--surface)); border: 2px solid var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35), 0 0 0 0 var(--accent-soft); cursor: pointer;
  animation: bob 3.2s ease-in-out infinite;
}
.hermes-avatar:hover { box-shadow: 0 8px 24px rgba(0, 0, 0, .35), 0 0 0 6px var(--accent-soft); }
.hermes-svg { display: block; width: 100%; height: 100%; overflow: visible; }
.h-head { fill: #e9eef7; }
.h-helmet { fill: var(--accent); }
.h-visor { fill: #0b1220; }
.h-eye { fill: #5eead4; transform-box: fill-box; transform-origin: center; animation: eye 5s infinite; }
.h-mouth { fill: none; stroke: #0b1220; stroke-width: 2; stroke-linecap: round; }
.h-wing path { fill: #f8fafc; stroke: #94a3b8; stroke-width: 1; }
.h-wing-l { transform-origin: 18px 28px; animation: flap-l 3.2s ease-in-out infinite; }
.h-wing-r { transform-origin: 46px 28px; animation: flap-r 3.2s ease-in-out infinite; }
.hermes.is-talking .h-wing-l { animation-duration: .5s; }
.hermes.is-talking .h-wing-r { animation-duration: .5s; }
.hermes.is-talking .h-mouth { animation: talk .25s infinite alternate; }
@keyframes bob { 50% { transform: translateY(-5px); } }
@keyframes eye { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes flap-l { 50% { transform: rotate(-10deg); } }
@keyframes flap-r { 50% { transform: rotate(10deg); } }
@keyframes talk { to { transform: translateY(1px) scaleY(1.6); } }
.hermes-badge { position: absolute; top: 2px; right: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--xp); border: 2px solid var(--bg); animation: blink 1.2s infinite; }
.hermes-bubble {
  position: relative; width: min(340px, calc(100vw - 2 * var(--gutter))); padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--accent); border-radius: 16px 16px 16px 4px; box-shadow: var(--shadow);
  animation: rise .3s cubic-bezier(.2, .9, .3, 1.2);
}
.hermes-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.hermes-head div { display: grid; }
.hermes-head .btn { min-height: 28px; padding: 0 10px; }
.hermes-text { margin: 0 0 10px; }
.hermes-text.is-typing::after { content: "▍"; color: var(--accent); animation: blink .8s infinite; }
.hermes-choices { display: flex; flex-wrap: wrap; gap: 6px; }
.hermes-choices .btn { min-height: 34px; font-size: .85rem; }
.zone.is-spotlight { position: relative; }
.zone.is-spotlight::before { content: ""; position: absolute; inset: 52px 4px -12px; border: 2px solid var(--accent); border-radius: 20px; pointer-events: none; animation: spot 1.6s ease-out; box-shadow: 0 0 40px var(--accent-soft); }
@keyframes spot { from { opacity: 0; transform: scale(.98); } to { opacity: 1; transform: none; } }
@media (max-width: 640px) { .hermes-avatar { width: 54px; height: 54px; } .toasts { bottom: 84px; } }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------ aparición al hacer scroll */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------------ ahora mismo */
.now-grid { display: grid; gap: 14px; }
@media (min-width: 900px) { .now-grid { grid-template-columns: 1.3fr 1fr; } .card-wide { grid-column: 1 / -1; } }
.focus { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.focus li { padding-left: 26px; position: relative; }
.focus li::before { content: "▸"; position: absolute; left: 4px; color: var(--accent); }
.homelab-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.homelab-stats p { margin: 0; }
.homelab-stats strong { display: block; font: 800 1.7rem/1.1 var(--font); color: var(--ok); }
.homelab-stats span { font-size: .85rem; color: var(--muted); }
.homelab-stats .small { grid-column: 1 / -1; }
.activity { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.activity li { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--border); }
.activity li:last-child { border-bottom: 0; }
.activity .kind { font: 700 .7rem/1 var(--mono); text-transform: uppercase; color: var(--accent); padding: 4px 6px; border: 1px solid var(--accent); border-radius: 5px; }
.activity a { font-weight: 600; overflow-wrap: anywhere; }
.activity .detail { grid-column: 2 / -1; color: var(--muted); font-size: .9rem; overflow-wrap: anywhere; }
.activity time { font: .78rem var(--mono); color: var(--muted); white-space: nowrap; }

/* ------------------------------------------------------------ contacto */
.contact-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.6fr 1fr; gap: 40px; } }
.contact-form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .9rem; }
.field input, .field textarea {
  width: 100%; padding: 11px 13px; font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 10px;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--danger); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; font-weight: 600; min-height: 1.6em; }
.form-status.is-ok { color: var(--ok); }
.form-status.is-error { color: var(--danger); }
.contact-form .btn-primary { justify-self: start; }

/* ------------------------------------------------------------ página de resultado / 404 */
.result { text-align: center; padding-top: 96px; padding-bottom: 96px; }
.result h1 { font: 800 4rem/1 var(--mono); }
.result.is-ok h1 { color: var(--ok); }
.result.is-error h1 { color: var(--danger); }
.result .lead { margin: 0 auto 1.5em; }

/* ------------------------------------------------------------ pie */
.footer { margin-top: 80px; padding: 28px var(--gutter) 40px; border-top: 1px solid var(--border); text-align: center; color: var(--muted); font-size: .9rem; }
.footer p { margin: 0 0 .4em; }

/* ------------------------------------------------------------ terminal */
.terminal {
  width: min(760px, calc(100vw - 2 * var(--gutter))); max-height: min(560px, 80vh);
  padding: 0; border: 1px solid var(--border-strong); border-radius: 14px;
  background: #05080f; color: #d6e2f0; box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
  overflow: hidden;
}
.terminal[open] { display: flex; flex-direction: column; }
.terminal::backdrop { background: rgba(3, 6, 12, .6); backdrop-filter: blur(3px); }
.term-bar { display: flex; align-items: center; gap: 12px; padding: 8px 10px 8px 14px; background: #0d1422; border-bottom: 1px solid #1c2840; }
.term-bar h2 { font: 600 .85rem/1 var(--mono); margin: 0; color: #93a1b8; flex: 1; }
.term-bar .btn { color: #d6e2f0; }
.term-dots { display: flex; gap: 6px; }
.term-dots i { width: 11px; height: 11px; border-radius: 50%; background: #f87171; }
.term-dots i:nth-child(2) { background: #fbbf24; }
.term-dots i:nth-child(3) { background: #4ade80; }
.term-out { flex: 1; overflow-y: auto; padding: 14px 16px 4px; font: 14px/1.55 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.term-out .t-cmd { color: #2dd4bf; }
.term-out .t-dim { color: #7b8aa3; }
.term-out .t-ok { color: #a3e635; }
.term-out .t-err { color: #f87171; }
.term-out a { color: #7dd3fc; }
.term-in { display: flex; align-items: center; gap: 8px; padding: 8px 16px 14px; font: 14px var(--mono); }
.term-prompt { color: #2dd4bf; white-space: nowrap; }
.term-in input { flex: 1; min-width: 0; background: transparent; border: 0; color: #e6edf7; font: inherit; caret-color: #2dd4bf; }
.term-in input:focus { outline: none; }

/* ------------------------------------------------------------ logros */
.toasts { position: fixed; z-index: 60; right: var(--gutter); bottom: var(--gutter); display: grid; gap: 10px; pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: 12px; max-width: 340px; padding: 12px 16px 12px 12px;
  background: var(--surface); border: 1px solid var(--xp); border-radius: 12px; box-shadow: var(--shadow);
  animation: toast-in .35s cubic-bezier(.2, .9, .3, 1.3);
}
.toast-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 10px; background: color-mix(in srgb, var(--xp) 18%, transparent); color: var(--xp); font-size: 1.2rem; }
.toast small { display: block; font: 700 .68rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--xp); }
.toast strong { display: block; }
.toast-text { font-size: .85rem; color: var(--muted); }
.toast.is-leaving { animation: toast-out .3s ease forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(16px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateX(30px); } }

/* ------------------------------------------------------------ modo vista rápida */
.quick-mode .game-only,
.quick-mode .pc-xp,
.quick-mode .lab-map,
.quick-mode .lab-legend,
.quick-mode [data-terminal-open],
.quick-mode .toasts,
.quick-mode .hermes { display: none !important; }
.quick-mode .lab-nodes,
.quick-mode .flow-lists { display: grid !important; }
.quick-mode .lab-console,
.quick-mode .lab-flows { display: none !important; }
.quick-mode .quick-card { border-left-color: var(--accent); }

/* ------------------------------------------------------------ movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ------------------------------------------------------------ impresión */
@media print {
  .topbar, .world, .lab-map, .lab-legend, .lab-console, .hermes, .toasts, .terminal, .contact-form, .cta, .footer, .pc-xp { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .quest article, .branch, .quick-card { box-shadow: none; }
  details > :not(summary) { display: block; }
}

/* ------------------------------------------------------------ árbol que crece */
.tree-svg { display: none; width: 100%; height: 70px; margin-bottom: -2px; overflow: visible; }
@media (min-width: 1100px) { .tree-svg { display: block; } }
.tree-trunk, .tree-branch { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
.tree-branch { stroke-width: 2; opacity: .7; }
.js .tree-svg path { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.2s ease; }
.js .tree-svg .tree-branch { transition-delay: .5s; }
.js .tree-svg.is-grown path { stroke-dashoffset: 0; }
.branch { position: relative; }
@media (max-width: 1099px) {
  .tree { padding-left: 18px; position: relative; }
  .tree::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: linear-gradient(var(--accent), var(--accent-2)); transform-origin: top; }
  .js .tree::before { transform: scaleY(0); transition: transform 1.4s ease; }
  .js .tree.is-grown::before { transform: scaleY(1); }
  .branch::before { content: ""; position: absolute; left: -15px; top: 26px; width: 14px; height: 3px; background: var(--accent); border-radius: 3px; }
}
.skill-meta { display: inline-flex; align-items: center; gap: 8px; flex: none; }
.fruits { display: inline-flex; gap: 2px; }
.fruits i { width: 6px; height: 6px; border-radius: 50%; background: var(--xp); opacity: .85; }
.js .skill .fruits i { transform: scale(0); transition: transform .3s cubic-bezier(.3, 1.6, .5, 1); }
.js .tree.is-grown .skill .fruits i { transform: scale(1); }
.skill[aria-pressed="true"] .fruits i { animation: fruit .6s ease; }
@keyframes fruit { 50% { transform: scale(1.8); } }

/* ------------------------------------------------------------ antes y después */
.ba { margin-top: 32px; }
.ba-frame { position: relative; display: grid; gap: 12px; }
.ba-pane { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.ba-pane ul { margin: 0; padding-left: 1.2em; }
.ba-pane li { margin-bottom: .35em; }
.ba-label { font: 800 .8rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.ba-before .ba-label { color: var(--danger); }
.ba-after .ba-label { color: var(--ok); }
.ba-before li::marker { color: var(--danger); }
.ba-after li::marker { color: var(--ok); }
.ba-after { border-color: color-mix(in srgb, var(--ok) 40%, var(--border)); }
.ba-code { margin: 0 0 14px; padding: 12px 14px; overflow-x: auto; font: 12.5px/1.55 var(--mono); background: #05080f; color: #cbd5e1; border-radius: 10px; border: 1px solid #1c2840; }
@media (min-width: 900px) { .ba-frame { grid-template-columns: 1fr 1fr; } }
/* Con JS y en pantallas anchas: un único marco con deslizador. */
@media (min-width: 900px) {
  .js .ba-frame { display: block; height: 340px; overflow: hidden; border-radius: var(--radius); --ba: 50%; }
  .js .ba-pane { position: absolute; inset: 0; border-radius: var(--radius); }
  .js .ba-pane > * { max-width: 46%; }
  .js .ba-after { clip-path: inset(0 0 0 var(--ba)); display: flex; flex-direction: column; align-items: flex-end; text-align: left; }
  .js .ba-after > * { width: 46%; }
  .ba-divider { position: absolute; top: 0; bottom: 0; left: var(--ba); width: 3px; margin-left: -1.5px; background: var(--accent); pointer-events: none; }
  .ba-divider span { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 800; box-shadow: var(--shadow); }
  .ba-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
  .ba-range:focus-visible + .ba-divider, .ba-frame:focus-within .ba-divider { box-shadow: 0 0 0 4px var(--accent-soft); }
}
@media (max-width: 899px) { .ba-divider, .ba-range { display: none !important; } }

/* ------------------------------------------------------------ modos del laboratorio */
.lab-modes { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.mode-detective { border-color: var(--warn); color: var(--warn); }
.mode-detective:hover { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.mode-detective[aria-pressed="true"] { background: var(--warn); color: #1c1300; }
.packet-b { fill: var(--accent-2); }
.packet-glow.packet-b { fill: var(--accent-2); }
.flow-trail.trail-b { stroke: var(--accent-2); }
.flow-btn.is-b { border-color: var(--accent-2); background: var(--accent-2-soft); color: var(--accent-2); }
.console-b { margin: -4px 0 12px; padding: 10px 12px; border-left: 3px solid var(--accent-2); background: var(--accent-2-soft); border-radius: 8px; }
.console-b p { margin: 0; }
.console-b-title { margin-bottom: 4px !important; }
.dot-b { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--accent-2); margin-right: 6px; }

/* ------------------------------------------------------------ modo detective */
.incident-list { list-style: none; margin: 0 0 10px; padding: 0; display: grid; gap: 6px; }
.incident-list button { width: 100%; text-align: left; }
.incident-found { margin: 4px 0 10px; padding-left: 1.2em; color: var(--muted); }
.incident-found li { margin-bottom: .3em; }
.incident-found li strong { color: var(--text); }
.incident-options { display: grid; gap: 6px; margin-bottom: 10px; }
.incident-options .btn { justify-content: flex-start; text-align: left; min-height: 40px; height: auto; padding: 8px 12px; line-height: 1.35; font-size: .85rem; }
.incident-options .btn.is-wrong { border-color: var(--danger); color: var(--danger); }
.incident-options .btn.is-right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.incident-result { padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--ok) 12%, transparent); margin-bottom: 10px; }
.lab.is-incident .lab-node.is-clue .node-box { stroke: var(--warn); stroke-width: 3; fill: color-mix(in srgb, var(--warn) 18%, var(--surface)); }
.lab.is-incident .lab-node.is-checked:not(.is-clue) .node-box { stroke-dasharray: 4 4; }
.lab.is-incident .lab-map { box-shadow: 0 0 0 2px color-mix(in srgb, var(--warn) 50%, transparent); }
.lab-info.is-clue { border-color: var(--warn); }

/* ------------------------------------------------------------ estado real */
.lab-node.st-down .node-led { fill: var(--danger); animation: blink .7s infinite; }
.lab-node.st-off .node-led { fill: var(--muted); animation: none; opacity: .5; }
.lab-node.st-up .node-led { fill: var(--ok); }
.uptime-bars { display: block; width: 100%; height: 36px; grid-column: 1 / -1; }
.uptime-bars rect { fill: var(--ok); }
.uptime-bars rect.is-mid { fill: var(--warn); }
.uptime-bars rect.is-low { fill: var(--danger); }
.js .uptime-bars rect { transform: scaleY(0); transform-origin: bottom; transform-box: fill-box; transition: transform .5s ease; }
.js .uptime-bars.is-in rect { transform: scaleY(1); }

/* ------------------------------------------------------------ vista rápida: aviso */
.quick-banner { position: sticky; top: 64px; z-index: 40; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; padding: 8px var(--gutter); background: var(--accent-2-soft); border-bottom: 1px solid var(--accent-2); font-weight: 600; backdrop-filter: blur(8px); }
.quick-mode .quick-banner[hidden] { display: flex !important; }
.lab-quick-note { display: none; padding: 12px 14px; border-radius: 10px; border: 1px dashed var(--accent-2); background: var(--accent-2-soft); }
.quick-mode .lab-quick-note { display: block; }

/* ------------------------------------------------------------ enanitos */
.gn-body { fill: var(--g-tunic, #2563eb); }
.gn-face { fill: #f5c9a8; }
.gn-beard { fill: #f8fafc; }
.gn-hat { fill: var(--g-hat, #ef4444); }
.gn-eye { fill: #1e293b; }
.gn-nose { fill: #e8927c; }
.gn-leg { fill: #78350f; transform-box: fill-box; transform-origin: top center; }
.gnome-toggle svg { width: 22px; height: 28px; }
.gnome-toggle[aria-pressed="false"] svg { filter: grayscale(1); opacity: .45; }

.gnome-world { position: fixed; left: 0; right: 0; bottom: 0; height: 0; z-index: 45; pointer-events: none; }
.gnome { position: fixed; left: 0; bottom: 4px; width: 66px; height: 86px; pointer-events: auto; cursor: pointer; will-change: transform; user-select: none; -webkit-user-select: none; }
.gnome svg { width: 100%; height: 100%; overflow: visible; }
.gnome.is-wide { width: 240px; }
.gnome .gn-inner { transform-origin: 50% 100%; transition: transform .25s; }
.gnome.is-walking .gn-leg-l { animation: leg .38s ease-in-out infinite alternate; }
.gnome.is-walking .gn-leg-r { animation: leg .38s ease-in-out infinite alternate-reverse; }
.gnome.is-walking .gn-inner { animation: bobwalk .38s ease-in-out infinite alternate; }
.gnome.is-running .gn-leg-l, .gnome.is-running .gn-leg-r, .gnome.is-running .gn-inner { animation-duration: .18s; }
.gnome.is-jump .gn-inner { animation: gjump .5s cubic-bezier(.3, 1.5, .5, 1); }
.gnome.is-tripped .gn-inner { transform: rotate(78deg) translateY(6px); }
.gnome.is-dizzy .gn-stars { opacity: 1; }
.gnome.is-falling { transition: transform 1s cubic-bezier(.5, 0, .9, .6); }
.gnome.is-falling .gn-inner { animation: spin 1s linear; }
.gn-stars { opacity: 0; transition: opacity .2s; }
.gn-stars text { font-size: 10px; animation: stars 1s linear infinite; transform-box: fill-box; transform-origin: center; }
.gn-item-drop { transition: transform .5s cubic-bezier(.3, 1.5, .6, 1); }
.gnome.is-tripped .gn-item-drop { transform: translate(26px, 14px) rotate(40deg); }
.gn-env rect, .pg-env rect { fill: #fef3c7; stroke: #b45309; stroke-width: 1.2; }
.gn-env path, .pg-env path { fill: none; stroke: #b45309; stroke-width: 1.2; }
.gn-env text { font: 700 6px var(--mono); fill: #92400e; }
.gn-srv rect { fill: #334155; stroke: #0f172a; }
.gn-srv circle { fill: #4ade80; animation: blink 1s infinite; }
.gn-cable { fill: none; stroke: #f59e0b; stroke-width: 3; stroke-linecap: round; }
.gn-reel circle { fill: #92400e; } .gn-reel circle + circle { fill: #f59e0b; }
.gn-mug rect { fill: #e2e8f0; } .gn-mug path { fill: none; stroke: #94a3b8; stroke-width: 1.5; }
.gnome-say {
  position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%); width: max-content; max-width: 230px;
  padding: 7px 10px; font: 600 12.5px/1.35 var(--font); color: var(--text); background: var(--surface); border: 1px solid var(--accent);
  border-radius: 12px 12px 12px 3px; box-shadow: var(--shadow); animation: rise .25s ease; pointer-events: none; white-space: normal;
}
@keyframes leg { from { transform: rotate(-24deg); } to { transform: rotate(24deg); } }
@keyframes bobwalk { from { transform: translateY(0); } to { transform: translateY(-2px); } }
@keyframes gjump { 40% { transform: translateY(-26px) rotate(-8deg); } }
@keyframes spin { to { transform: rotate(720deg); } }
@keyframes stars { to { transform: rotate(360deg); } }
.quick-mode .gnome-world, .gnomes-off .gnome-world { display: none; }
@media (prefers-reduced-motion: reduce) { .gnome-world, .packet-gnome { display: none !important; } }
@media print { .gnome-world { display: none !important; } }

/* El enanito mensajero del laboratorio */
.packet-gnome { pointer-events: none; transition: opacity .3s; }
.packet-gnome .gn-leg-l { animation: leg .3s ease-in-out infinite alternate; }
.packet-gnome .gn-leg-r { animation: leg .3s ease-in-out infinite alternate-reverse; }
.packet-gnome.is-idle .gn-leg-l, .packet-gnome.is-idle .gn-leg-r { animation: none; }
.gnomes-off .packet-gnome { display: none; }

/* Pista para deslizar el mapa en pantallas estrechas */
.lab-map-wrap { position: relative; }
.map-hint { display: none; }
@media (max-width: 899px) {
  .map-hint { display: block; position: sticky; left: 50%; top: 10px; z-index: 2; width: max-content; margin: 0 auto -32px; transform: translateX(-50%); padding: 6px 12px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font: 700 .8rem/1.2 var(--font); box-shadow: var(--shadow); animation: nudge 1.4s ease-in-out infinite; transition: opacity .4s; }
  .map-hint.is-gone { opacity: 0; pointer-events: none; }
}
@keyframes nudge { 50% { transform: translateX(calc(-50% + 8px)); } }

/* =====================================================================
   TEMA RACK: la página es el interior de un armario de servidores.
   ===================================================================== */
:root {
  --rack-bg: #383e48;
  --rack-bg-2: #2f343d;
  --rack-hole: rgba(8, 10, 14, .55);
  --rail: #4a515d;
  --rail-hi: #6b7380;
  --chassis-top: #2b313b;
  --chassis-bot: #1c2129;
  --chassis-edge: #0c0f14;
  --chassis-hi: rgba(255, 255, 255, .13);
  --screw: #9aa3af;
  --surface: #1f252f;
  --surface-2: #283039;
  --border: #353e4b;
  --border-strong: #46505f;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --rack-bg: #b9c0ca;
    --rack-bg-2: #aab2bd;
    --rack-hole: rgba(40, 48, 60, .35);
    --rail: #8d96a3;
    --rail-hi: #d5dbe3;
    --chassis-top: #f3f5f8;
    --chassis-bot: #dde2e9;
    --chassis-edge: #8a939f;
    --chassis-hi: rgba(255, 255, 255, .9);
    --screw: #6b7481;
    --surface: #f8fafc;
    --surface-2: #eef1f5;
    --border: #c9d0da;
    --border-strong: #a9b3c0;
  }
}

body {
  background-color: var(--rack-bg);
  background-image:
    radial-gradient(var(--rack-hole) 1.7px, transparent 2.2px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 50%, transparent 50%),
    linear-gradient(180deg, var(--rack-bg), var(--rack-bg-2));
  background-size: 15px 15px, 4px 4px, 100% 100%;
  background-attachment: fixed;
}

/* Raíles verticales del armario, con sus agujeros cuadrados. */
.rack-rail {
  position: fixed; top: 0; bottom: 0; width: 30px; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(180deg, transparent 0 10px, rgba(5, 7, 10, .85) 10px 18px, transparent 18px 26px, rgba(5, 7, 10, .85) 26px 34px, transparent 34px 44px) center / 9px 100% no-repeat,
    linear-gradient(90deg, var(--rail-hi), var(--rail) 30%, var(--rail) 70%, rgba(0, 0, 0, .35));
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .4), 0 0 18px rgba(0, 0, 0, .35);
}
.rack-rail-l { left: 0; }
.rack-rail-r { right: 0; transform: scaleX(-1); }
@media (max-width: 760px) { .rack-rail { width: 10px; background: linear-gradient(90deg, var(--rail-hi), var(--rail)); } }
@media (min-width: 761px) { :root { --gutter: 46px; } }

/* La barra superior es el panel frontal del armario. */
.topbar {
  background: linear-gradient(180deg, color-mix(in srgb, var(--chassis-top) 94%, transparent), color-mix(in srgb, var(--chassis-bot) 94%, transparent));
  border-bottom: 2px solid var(--chassis-edge);
  box-shadow: inset 0 1px 0 var(--chassis-hi), 0 6px 18px rgba(0, 0, 0, .35);
}

/* Cada zona es un servidor montado en el rack. */
.zone {
  position: relative;
  margin: 46px auto 0;
  padding-top: 26px; padding-bottom: 30px;
  max-width: calc(var(--max) + 2 * var(--gutter) - 40px);
  background: linear-gradient(180deg, var(--chassis-top), var(--chassis-bot));
  border: 1px solid var(--chassis-edge);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 var(--chassis-hi),
    inset 0 -3px 0 rgba(0, 0, 0, .35),
    0 2px 0 var(--chassis-edge),
    0 9px 0 -1px color-mix(in srgb, var(--chassis-bot) 60%, #000),
    0 10px 0 -1px var(--chassis-edge),
    0 30px 40px -14px rgba(0, 0, 0, .7);
}
/* Orejas del chasis, atornilladas a los raíles. */
.zone::before, .zone::after {
  content: ""; position: absolute; top: 14px; width: 18px; height: 64px; border-radius: 5px;
  background:
    radial-gradient(circle at 50% 22%, var(--screw) 2.6px, rgba(0, 0, 0, .55) 3.4px, transparent 4px),
    radial-gradient(circle at 50% 78%, var(--screw) 2.6px, rgba(0, 0, 0, .55) 3.4px, transparent 4px),
    linear-gradient(90deg, var(--rail-hi), var(--rail));
  border: 1px solid var(--chassis-edge);
}
.zone::before { left: -19px; }
.zone::after { right: -19px; transform: scaleX(-1); }
@media (max-width: 760px) { .zone::before, .zone::after { display: none; } .zone { margin-left: 8px; margin-right: 8px; } }

.zone-head { position: relative; padding-right: 150px; }
.chassis-leds { position: absolute; right: 0; top: 4px; display: flex; gap: 7px; }
.chassis-leds i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: led-act 1.7s infinite steps(2, jump-none); }
.chassis-leds i:nth-child(2) { background: var(--accent); box-shadow: 0 0 8px var(--accent); animation-duration: .9s; }
.chassis-leds i:nth-child(3) { animation-duration: 2.6s; animation-delay: -.7s; }
.chassis-leds i:nth-child(4) { background: var(--warn); box-shadow: 0 0 8px var(--warn); animation-duration: 3.3s; }
@keyframes led-act { 0% { opacity: 1; } 50% { opacity: .25; } }
.chassis-vent { position: absolute; right: 0; top: 22px; width: 120px; height: 26px; border-radius: 4px; background: repeating-linear-gradient(90deg, rgba(0, 0, 0, .55) 0 4px, transparent 4px 9px); opacity: .7; }
@media (max-width: 640px) { .zone-head { padding-right: 70px; } .chassis-vent { width: 56px; } }
.zone-head .zone-n { background: rgba(0, 0, 0, .25); }

/* Entrada en 3D: el servidor se desliza dentro del rack al aparecer. */
.js .zone.rack-in { opacity: .2; transform: perspective(1400px) rotateX(14deg) translateY(50px) scale(.96); transform-origin: 50% 100%; }
.js .zone.rack-in.is-racked { opacity: 1; transform: none; transition: transform .9s cubic-bezier(.2, .8, .25, 1), opacity .6s ease; }

/* Tarjetas y paneles: bahías del chasis. */
.card, .branch, .quest article, .stats li, .quick-card, .lab-console, .ba-pane, .world-tile, .lab-map {
  box-shadow: inset 0 1px 0 var(--chassis-hi), 0 8px 18px -10px rgba(0, 0, 0, .6);
}
.hero { position: relative; }

/* ------------------------------------------------------------ enanitos trabajando */
.station { position: absolute; z-index: 3; width: 84px; height: 96px; pointer-events: auto; cursor: pointer; }
.station svg { width: 100%; height: 100%; overflow: visible; }
.station .gnome-say { bottom: 98px; }
.gnomes-off .station, .quick-mode .station, .gnomes-off .lab-worker, .quick-mode .lab-worker { display: none !important; }
@media (prefers-reduced-motion: reduce) { .station, .lab-worker, .rail-climber { display: none !important; } }
.pose-sweep { animation: sway 2.4s ease-in-out infinite alternate; }
.pose-lift { animation: strain .18s linear infinite alternate; }
@keyframes sway { from { transform: translateX(-14px); } to { transform: translateX(14px); } }
@keyframes strain { from { transform: translateY(0); } to { transform: translateY(1px); } }
.w-tool-metal { fill: #9ca3af; } .w-tool-wood { fill: #a16207; } .w-arm { fill: var(--g-tunic, #2563eb); }
.w-spark { fill: #fde047; }
.w-laptop rect { fill: #334155; } .w-laptop .w-screen { fill: #5eead4; }
.w-box rect { fill: #b45309; } .w-box path { stroke: #78350f; fill: none; }
.lab-worker { cursor: pointer; }
.rail-climber { position: fixed; left: -16px; z-index: 46; width: 62px; height: 72px; animation: climb 46s ease-in-out infinite alternate; pointer-events: auto; }
@keyframes climb { from { top: 80px; } to { top: calc(100vh - 140px); } }
@media (max-width: 760px) { .rail-climber { display: none; } }
.gnomes-off .rail-climber, .quick-mode .rail-climber { display: none !important; }