/* ============================================================
   LA COMANDA — sistema de diseño del sitio de aprendizaje
   Identidad: papel térmico + señalética de cocina (DIN) + azul cocina
   Fuentes 100% del sistema: funciona offline, sin CDNs.
   ============================================================ */

:root {
  /* papel y tinta */
  --papel: #FCFCFA;
  --papel-2: #F5F4EF;
  --termico: #F7F3E8;
  --tinta: #1B1813;
  --tinta-2: #57524A;
  --tinta-3: #8B857A;
  --linea: #E4E1D8;
  --linea-2: #D4D0C4;

  /* acento principal: azul cocina (el color que no existe en la comida) */
  --acento: #1E5FA8;
  --acento-suave: #E8F0F9;

  /* colores por capítulo (tintas de comanda, apagadas) */
  --c-fund: #3E6B35;
  --c-seg:  #91600C;
  --c-back: #6E4E9E;
  --c-desk: #1E5FA8;
  --c-mov:  #0E7C7B;
  --c-adv:  #B23A48;

  /* pantalla KDS: bloques de código */
  --kds-bg: #14171C;
  --kds-bar: #1D2129;
  --kds-fg: #D6DCE3;
  --kds-mut: #7A828E;
  --tk-c: #7A828E;   /* comentario */
  --tk-k: #82B4E8;   /* keyword */
  --tk-s: #A9C77F;   /* string */
  --tk-n: #E2B96B;   /* número */
  --tk-t: #67C6BC;   /* tipo */
  --tk-a: #C79FE0;   /* anotación / decorador */

  /* estados (reservados) */
  --ok:   #2E7D45;
  --aviso:#9A6A00;
  --error:#B3372B;

  --display: "Bahnschrift", "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
  --cuerpo: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Mono", "Cascadia Code", Consolas, "Courier New", monospace;

  --radio: 6px;
  --ancho: 900px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 24px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--cuerpo);
  font-size: 16.5px;
  line-height: 1.68;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

::selection { background: var(--acento); color: #fff; }

a { color: var(--acento); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; border-radius: 2px; }

/* ---------- barra lateral ---------- */

.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  border-right: 1px solid var(--linea);
  background: var(--papel);
  padding: 26px 20px 40px;
}
.marca {
  display: block; color: var(--tinta); text-decoration: none;
  font-family: var(--display); font-size: 21px; letter-spacing: .04em;
  text-transform: uppercase; line-height: 1.15;
}
.marca:hover { text-decoration: none; color: var(--acento); }
.marca small {
  display: block; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .12em; color: var(--tinta-3); margin-top: 4px;
  text-transform: none;
}
.sidebar nav { margin-top: 26px; }
.nav-grupo {
  font-family: var(--display); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--tinta-3);
  margin: 22px 0 8px;
}
.sidebar nav a {
  display: flex; align-items: baseline; gap: 9px;
  padding: 6px 8px; margin: 1px -8px;
  color: var(--tinta-2); border-radius: var(--radio);
  font-size: 14.5px; line-height: 1.35;
}
.sidebar nav a:hover { background: var(--papel-2); text-decoration: none; color: var(--tinta); }
.sidebar nav a.activa { background: var(--papel-2); color: var(--tinta); font-weight: 600; }
.cap-num {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  flex: 0 0 auto; width: 20px; text-align: right;
}
.cap-num.f { color: var(--c-fund); } .cap-num.s { color: var(--c-seg); }
.cap-num.b { color: var(--c-back); } .cap-num.d { color: var(--c-desk); }
.cap-num.m { color: var(--c-mov); }  .cap-num.a { color: var(--c-adv); }

/* ---------- contenido ---------- */

main { min-width: 0; padding: 48px 48px 80px; }
.contenido { max-width: var(--ancho); margin: 0 auto; }

.eyebrow {
  font-family: var(--display); font-size: 12.5px; letter-spacing: .22em;
  text-transform: uppercase; font-weight: 600;
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: currentColor; }
.eyebrow.f { color: var(--c-fund); } .eyebrow.s { color: var(--c-seg); }
.eyebrow.b { color: var(--c-back); } .eyebrow.d { color: var(--c-desk); }
.eyebrow.m { color: var(--c-mov); }  .eyebrow.a { color: var(--c-adv); }

h1 {
  font-family: var(--display); font-size: clamp(32px, 4.5vw, 46px);
  line-height: 1.06; letter-spacing: .005em; margin: 0 0 14px;
  text-wrap: balance;
}
.bajada { font-size: 19px; color: var(--tinta-2); max-width: 62ch; margin: 0 0 34px; }

h2 {
  font-family: var(--display); font-size: 27px; line-height: 1.15;
  margin: 60px 0 14px; padding-top: 26px;
  border-top: 1px solid var(--linea);
  display: flex; align-items: baseline; gap: 12px;
}
h2 .n {
  font-family: var(--mono); font-size: 15px; font-weight: 700;
  color: var(--tinta-3); flex: 0 0 auto;
}
h3 { font-family: var(--display); font-size: 20px; margin: 34px 0 10px; letter-spacing: .01em; }
h4 { font-size: 16px; margin: 26px 0 8px; }

p { margin: 0 0 16px; max-width: 74ch; }
ul, ol { margin: 0 0 18px; padding-left: 26px; max-width: 72ch; }
li { margin-bottom: 7px; }
li::marker { color: var(--tinta-3); }
strong { font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--linea); margin: 40px 0; }

code {
  font-family: var(--mono); font-size: .86em;
  background: var(--papel-2); border: 1px solid var(--linea);
  border-radius: 4px; padding: 1px 5px;
  overflow-wrap: break-word;
}

/* ---------- bloques de código (pantalla KDS) ---------- */

pre.code {
  position: relative;
  background: var(--kds-bg); color: var(--kds-fg);
  border-radius: var(--radio);
  padding: 40px 18px 16px;
  margin: 18px 0 24px;
  overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.62;
  tab-size: 2;
}
pre.code::before {
  content: attr(data-file);
  position: absolute; top: 0; left: 0; right: 0;
  padding: 7px 14px;
  background: var(--kds-bar);
  border-radius: var(--radio) var(--radio) 0 0;
  font-size: 11px; letter-spacing: .06em; color: var(--kds-mut);
}
pre.code code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.btn-copiar {
  position: absolute; top: 4px; right: 8px;
  font-family: var(--mono); font-size: 11px;
  color: var(--kds-mut); background: none; border: 1px solid transparent;
  border-radius: 4px; padding: 3px 9px; cursor: pointer;
}
.btn-copiar:hover { color: var(--kds-fg); border-color: var(--kds-mut); }

.tk-c { color: var(--tk-c); font-style: italic; }
.tk-k { color: var(--tk-k); }
.tk-s { color: var(--tk-s); }
.tk-n { color: var(--tk-n); }
.tk-t { color: var(--tk-t); }
.tk-a { color: var(--tk-a); }

/* ---------- pestañas (Spring / Gin, etc.) ---------- */

.tabs { margin: 18px 0 24px; }
.tabs-bar { display: flex; gap: 4px; border-bottom: 2px solid var(--linea); }
.tabs-bar button {
  font-family: var(--display); font-size: 13.5px; letter-spacing: .05em;
  background: none; border: 0; cursor: pointer;
  color: var(--tinta-3); padding: 8px 14px 9px;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.tabs-bar button:hover { color: var(--tinta); }
.tabs-bar button[aria-selected="true"] { color: var(--tinta); border-bottom-color: var(--acento); font-weight: 600; }
.tab-panel > pre.code:first-child { margin-top: 12px; border-top-left-radius: 0; }
.tab-panel[hidden] { display: none; }

/* ---------- ticket térmico (elemento firma) ---------- */

.ticket {
  background: var(--termico);
  font-family: var(--mono); font-size: 13px; line-height: 1.55;
  color: #262115;
  max-width: 420px;
  margin: 26px auto;
  padding: 20px 22px 24px;
  box-shadow: 0 2px 10px rgba(27, 24, 19, .10);
  position: relative;
}
.ticket::before, .ticket::after {
  content: ""; position: absolute; left: 0; right: 0; height: 7px;
  background-image: radial-gradient(circle at 6px 0px, transparent 5px, var(--termico) 5.5px);
  background-size: 13px 7px; background-repeat: repeat-x;
}
.ticket::before { top: -7px; transform: scaleY(-1); }
.ticket::after { bottom: -7px; }
.ticket .tc { text-align: center; display: block; }
.ticket .tb { font-weight: 700; }
.ticket .tsep { display: block; border: 0; border-top: 1px dashed #B7AD93; margin: 9px 0; }
.ticket .tfila { display: flex; justify-content: space-between; gap: 12px; }
.ticket .tfila a { color: inherit; text-decoration: underline; text-decoration-style: dotted; }
.ticket .tfila a:hover { color: var(--acento); }
.ticket .tmut { color: #8A8064; }

@keyframes imprimir {
  from { clip-path: inset(0 0 100% 0); transform: translateY(-18px); }
  to   { clip-path: inset(0 0 0 0);    transform: translateY(0); }
}
.ticket.imprime { animation: imprimir 1.1s cubic-bezier(.2,.7,.3,1) both; }

/* ---------- avisos ---------- */

.nota, .ojo, .pro {
  border-left: 3px solid var(--acento);
  background: var(--acento-suave);
  border-radius: 0 var(--radio) var(--radio) 0;
  padding: 13px 18px 12px; margin: 18px 0 22px;
  max-width: 78ch;
}
.nota::before, .ojo::before, .pro::before {
  display: block; font-family: var(--display); font-size: 11px;
  letter-spacing: .16em; margin-bottom: 5px; font-weight: 600;
}
.nota::before { content: "NOTA"; color: var(--acento); }
.ojo  { border-left-color: var(--aviso); background: #FAF3E2; }
.ojo::before { content: "OJO"; color: var(--aviso); }
.pro  { border-left-color: var(--ok); background: #EBF3EC; }
.pro::before { content: "BUENA PRÁCTICA"; color: var(--ok); }
.nota p:last-child, .ojo p:last-child, .pro p:last-child { margin-bottom: 0; }

/* ---------- tablas ---------- */

.tabla-wrap { overflow-x: auto; margin: 18px 0 24px; }
table.tabla { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.tabla th {
  font-family: var(--display); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--tinta-2); font-weight: 600;
  text-align: left; padding: 8px 14px 8px 0;
  border-bottom: 2px solid var(--linea-2);
}
.tabla td { padding: 9px 14px 9px 0; border-bottom: 1px solid var(--linea); vertical-align: top; }
.tabla td:first-child, .tabla th:first-child { padding-left: 2px; }
.tabla code { white-space: nowrap; }

/* verbos HTTP */
.verbo {
  font-family: var(--mono); font-size: 11.5px; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; letter-spacing: .04em;
  display: inline-block;
}
.verbo.get    { background: #E5EFE0; color: #2F5B27; }
.verbo.post   { background: #E2ECF8; color: #1A4E8C; }
.verbo.put    { background: #F6EDD8; color: #7A5200; }
.verbo.patch  { background: #EEE6F6; color: #5C3E88; }
.verbo.delete { background: #F8E4E1; color: #9B2F24; }
.verbo.ws     { background: #DFF0EF; color: #0B5F5E; }

/* ---------- tarjetas y grillas ---------- */

.grid { display: grid; gap: 16px; margin: 22px 0 28px; }
.grid.dos { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.tres { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  border: 1px solid var(--linea); border-radius: var(--radio);
  background: #fff; padding: 20px 22px;
  display: block; color: inherit;
}
a.card:hover { text-decoration: none; border-color: var(--linea-2); box-shadow: 0 2px 8px rgba(27,24,19,.06); }
.card .eyebrow { margin-bottom: 8px; font-size: 11px; }
.card .eyebrow::before { width: 18px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { font-size: 14.5px; color: var(--tinta-2); margin: 0; }
.card .meta { font-family: var(--mono); font-size: 11.5px; color: var(--tinta-3); margin-top: 12px; display: block; }

/* comparación en dos columnas */
.vs { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 20px 0 26px; }
.vs .lado { border: 1px solid var(--linea); border-radius: var(--radio); background: #fff; padding: 18px 20px; }
.vs .lado h4 { margin: 0 0 10px; font-family: var(--display); font-size: 15px; letter-spacing: .06em; text-transform: uppercase; }
.vs .lado ul { margin-bottom: 0; padding-left: 20px; font-size: 14.5px; }

/* ---------- diagramas ---------- */

figure.diagrama {
  margin: 24px 0 30px; padding: 26px 20px 14px;
  border: 1px solid var(--linea); border-radius: var(--radio); background: #fff;
  overflow-x: auto;
}
figure.diagrama svg { display: block; margin: 0 auto; max-width: 100%; height: auto; }
figure.diagrama figcaption {
  font-size: 13px; color: var(--tinta-3); text-align: center; margin-top: 12px;
  font-family: var(--mono);
}

/* ---------- índice local (menú del día) ---------- */

.menu-dia {
  border: 1px solid var(--linea); border-radius: var(--radio);
  background: #fff; padding: 18px 24px 16px; margin: 0 0 12px;
}
.menu-dia h2 {
  border: 0; margin: 0 0 10px; padding: 0;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--tinta-3);
}
.menu-dia ol { columns: 2; gap: 34px; margin: 0; padding-left: 22px; font-size: 14.5px; }
.menu-dia li { margin-bottom: 5px; break-inside: avoid; }
.menu-dia a { color: var(--tinta-2); }
.menu-dia a:hover { color: var(--acento); }
@media (max-width: 700px) { .menu-dia ol { columns: 1; } }

/* ---------- pie: anterior / siguiente ---------- */

.paginacion {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 70px; padding-top: 24px; border-top: 1px solid var(--linea);
}
.paginacion a {
  font-family: var(--display); font-size: 15px; letter-spacing: .03em;
  color: var(--tinta-2); max-width: 46%;
}
.paginacion a:hover { color: var(--acento); text-decoration: none; }
.paginacion small { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--tinta-3); margin-bottom: 3px; }
.paginacion .sig { text-align: right; margin-left: auto; }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  body { display: block; }
  .sidebar {
    position: static; height: auto; border-right: 0;
    border-bottom: 1px solid var(--linea); padding: 18px 22px;
  }
  .sidebar details summary {
    cursor: pointer; font-family: var(--display); font-size: 13px;
    letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-2);
    margin-top: 12px;
  }
  main { padding: 34px 22px 60px; }
  h2 { margin-top: 46px; }
}
@media (min-width: 1001px) {
  .sidebar details { display: contents; }
  .sidebar details summary { display: none; }
}