/* Observer · Docs — tema "Observation Deck" (navy + cian-señal).
   Paleta y firma tipográfica espejan la UI de Observer RMM
   (quasar.variables.sass / app.sass). Sin dependencias externas. */

:root {
  --cyan: #0E8FA8;      /* cian-señal (primary) */
  --cyan-bright: #22C3D6;
  --slate: #3A4E68;
  --navy-page: #0F1A2A; /* fondo noche */
  --navy-surf: #17253A; /* superficie noche */
  --amber: #F5A524;
  --red: #E5484D;
  --green: #22B364;

  /* Modo día (default, como la UI) */
  --bg: #EEF2F7;
  --surface: #FFFFFF;
  --text: #16202E;
  --muted: #5A6B80;
  --border: #DDE4EE;
  --code-bg: #F1F5FA;
  --header-bg: #0F1A2A;   /* header navy en día y noche */
  --header-text: #E6EDF5;
  --rail-active: rgba(14,143,168,.10);

  --maxw: 760px;
  --font: 'Roboto', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'Roboto Mono', ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--navy-page);
    --surface: var(--navy-surf);
    --text: #E6EDF5;
    --muted: #90A2B8;
    --border: #26374F;
    --code-bg: #101B2B;
    --rail-active: rgba(34,195,214,.12);
  }
}
:root[data-theme="dark"] {
  --bg: var(--navy-page);
  --surface: var(--navy-surf);
  --text: #E6EDF5;
  --muted: #90A2B8;
  --border: #26374F;
  --code-bg: #101B2B;
  --rail-active: rgba(34,195,214,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header (deck bar) ---------- */
.deck {
  position: sticky; top: 0; z-index: 20;
  background: var(--header-bg);
  color: var(--header-text);
  border-bottom: 1px solid #22364f;
  display: flex; align-items: center; gap: 14px;
  padding: 0 22px; height: 58px;
}
.deck .brand {
  display: flex; align-items: baseline; gap: 9px;
  font-weight: 700; font-size: 1.06rem; letter-spacing: .2px;
  color: var(--header-text); text-decoration: none;
}
.deck .brand b { color: #fff; }
.deck .brand .sub {
  font-family: var(--mono); font-size: .72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 2px; color: var(--cyan-bright);
}
/* punto-señal pulsante: la firma "deck de observación" */
.signal {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 0 0 rgba(34,195,214,.55);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,195,214,.55); }
  70%  { box-shadow: 0 0 0 8px rgba(34,195,214,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,195,214,0); }
}
@media (prefers-reduced-motion: reduce) { .signal { animation: none; } }
.deck .spacer { flex: 1; }
.deck .theme-toggle {
  background: transparent; border: 1px solid #2f4763; color: var(--header-text);
  border-radius: 7px; padding: 5px 9px; cursor: pointer; font-size: .95rem; line-height: 1;
}
.deck .theme-toggle:hover { border-color: var(--cyan); }
/* selector de idioma (segmentado, mismo lenguaje visual que el toggle de tema) */
.lang-toggle {
  display: inline-flex; border: 1px solid #2f4763; border-radius: 7px; overflow: hidden;
}
.lang-toggle button {
  background: transparent; border: 0; color: var(--header-text);
  font-family: var(--mono); font-size: .72rem; letter-spacing: 1px; font-weight: 600;
  padding: 5px 9px; cursor: pointer; line-height: 1;
}
.lang-toggle button + button { border-left: 1px solid #2f4763; }
.lang-toggle button[aria-pressed="true"] { background: var(--cyan); color: #fff; }
.lang-toggle button[aria-pressed="false"]:hover { color: var(--cyan-bright); }

/* i18n: se muestra solo el idioma activo (data-lang en <html> lo fija el script de <head>) */
html[data-lang="es"] .lang-en { display: none !important; }
html[data-lang="en"] .lang-es { display: none !important; }

/* ---------- Shell ---------- */
.shell {
  max-width: 1160px; margin: 0 auto; padding: 0 22px;
  display: grid; grid-template-columns: 232px 1fr; gap: 40px;
}
/* ---------- Rail (nav consola) ---------- */
.rail {
  position: sticky; top: 58px; align-self: start;
  padding: 30px 0; height: calc(100vh - 58px); overflow-y: auto;
}
.rail .rail-label {
  font-family: var(--mono); font-size: .68rem; text-transform: uppercase;
  letter-spacing: 2px; color: var(--muted); padding: 0 12px; margin: 0 0 10px;
}
.rail a {
  display: block; padding: 8px 12px; border-radius: 8px;
  color: var(--text); text-decoration: none; font-size: .93rem;
  border-left: 2px solid transparent;
}
.rail a:hover { background: var(--rail-active); }
.rail a.active {
  background: var(--rail-active); border-left-color: var(--cyan);
  color: var(--cyan); font-weight: 600;
}

/* ---------- Content ---------- */
main { padding: 38px 0 90px; min-width: 0; }
.content { max-width: var(--maxw); }
.eyebrow {
  font-family: var(--mono); font-size: .72rem; text-transform: uppercase;
  letter-spacing: 2.5px; color: var(--cyan); margin: 0 0 10px;
  display: flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: "▸"; color: var(--cyan-bright); }
h1 { font-size: 2.1rem; line-height: 1.15; margin: 0 0 14px; font-weight: 700; letter-spacing: -.4px; }
h2 {
  font-size: 1.32rem; margin: 44px 0 12px; font-weight: 700;
  padding-bottom: 7px; border-bottom: 1px solid var(--border); scroll-margin-top: 74px;
}
h3 { font-size: 1.06rem; margin: 26px 0 8px; font-weight: 600; scroll-margin-top: 74px; }
p, li { color: var(--text); }
.lead { font-size: 1.12rem; color: var(--muted); margin: 0 0 8px; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 22px; }
li { margin: 5px 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 34px 0; }

code {
  font-family: var(--mono); font-size: .88em;
  background: var(--code-bg); padding: 2px 6px; border-radius: 5px;
  border: 1px solid var(--border);
}
pre {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 15px 17px; overflow-x: auto;
}
pre code { background: none; border: 0; padding: 0; }

/* ---------- Cards (home) ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; text-decoration: none; color: var(--text); display: block;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--cyan); transform: translateY(-2px); text-decoration: none; }
.card .k {
  font-family: var(--mono); font-size: .68rem; text-transform: uppercase;
  letter-spacing: 2px; color: var(--cyan); }
.card h3 { margin: 8px 0 5px; }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }

/* ---------- Callouts (alertas de consola) ---------- */
.callout {
  border: 1px solid var(--border); border-left-width: 4px;
  border-radius: 10px; padding: 14px 16px; margin: 20px 0;
  background: var(--surface);
}
.callout .tag {
  font-family: var(--mono); font-size: .7rem; text-transform: uppercase;
  letter-spacing: 1.5px; font-weight: 700; display: block; margin-bottom: 4px;
}
.callout p:last-child { margin-bottom: 0; }
.callout.note    { border-left-color: var(--cyan);  } .callout.note .tag    { color: var(--cyan); }
.callout.warn    { border-left-color: var(--amber); } .callout.warn .tag    { color: var(--amber); }
.callout.danger  { border-left-color: var(--red);   } .callout.danger .tag  { color: var(--red); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border); margin-top: 60px; padding: 22px 0;
  color: var(--muted); font-size: .84rem;
}
footer .mono { font-family: var(--mono); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; gap: 0; }
  .rail {
    position: static; height: auto; padding: 16px 0;
    border-bottom: 1px solid var(--border);
    display: flex; flex-wrap: wrap; gap: 6px;
  }
  .rail .rail-label { width: 100%; }
  .rail a { border-left: 0; }
  .rail a.active { border-left: 0; }
  .cards { grid-template-columns: 1fr; }
  h1 { font-size: 1.7rem; }
}
