/* ==========================================================================
   course.css — Hoja de estilos compartida del curso
   "Estrategias de negociación y resolución de conflictos"
   Inspirada en Tufte: tipografía serif, medida de línea corta, notas al
   margen, buen comportamiento de impresión.
   Todas las lecciones y documentos de referencia enlazan esta hoja.
   ========================================================================== */

:root {
  --ink:        #1a1a1a;
  --ink-soft:   #4a4a4a;
  --ink-faint:  #6f6f6f;
  --paper:      #fdfcf9;
  --rule:       #d8d4c8;
  --accent:     #1f5f4f;   /* verde negociación */
  --accent-2:   #8a4b2a;   /* terracota, para contraste */
  --gold:       #b8860b;
  --ok-bg:      #eaf5ee;
  --ok-ink:     #1f6b3a;
  --no-bg:      #fbeceb;
  --no-ink:     #9b2c2c;
  --note-bg:    #f4f1e8;
  --maxw:       46rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
               Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3.2rem 1.4rem 5rem;
}

/* ---------- Barra superior ---------- */
.topbar {
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(0deg, rgba(31,95,79,.04), rgba(31,95,79,.04));
}
.topbar .wrap { padding-top: .8rem; padding-bottom: .8rem; }
.topbar nav {
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  display: flex;
  flex-wrap: wrap;
  gap: .9rem 1.3rem;
  align-items: baseline;
}
.topbar a { color: var(--ink-soft); text-decoration: none; }
.topbar a:hover { color: var(--accent); }
.topbar .brand { font-weight: 700; color: var(--accent); }

/* ---------- Miga de pan / números de lección ---------- */
.eyebrow {
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .35rem;
}
h1 {
  font-size: 2rem;
  line-height: 1.18;
  margin: .1rem 0 .6rem;
  letter-spacing: -.01em;
}
h1 + .lede {
  font-size: 1.12rem;
  color: var(--ink-soft);
  margin: 0 0 1.6rem;
}
h2 {
  font-size: 1.34rem;
  margin: 2.4rem 0 .6rem;
  padding-bottom: .25rem;
  border-bottom: 2px solid var(--rule);
}
h3 { font-size: 1.06rem; margin: 1.6rem 0 .35rem; }
p, ul, ol { margin: .7rem 0; }
ul, ol { padding-left: 1.3rem; }
li { margin: .3rem 0; }
a { color: var(--accent); text-underline-offset: 2px; }
strong { font-weight: 700; }
em { font-style: italic; }

/* ---------- Objetivo de la lección ---------- */
.goal {
  border-left: 4px solid var(--accent);
  background: rgba(31,95,79,.05);
  padding: .7rem 1rem;
  margin: 1.4rem 0;
  font-size: .98rem;
}
.goal b { color: var(--accent); }

/* ---------- Cajas ---------- */
.callout {
  background: var(--note-bg);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  margin: 1.4rem 0;
  font-size: .97rem;
}
.callout .title {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .76rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: block;
  margin-bottom: .3rem;
}
.callout.warn { background: #fdf4ec; border-color: #e6cdb8; }
.callout.key  { background: rgba(184,134,11,.08); border-color: #e4d6a8; }

/* ---------- Sidenotes (notas al margen -> en móvil caen dentro) ---------- */
figure.margin {
  border-left: 3px solid var(--gold);
  padding-left: .8rem;
  margin: 1.2rem 0;
  font-size: .9rem;
  color: var(--ink-soft);
}
figure.margin figcaption { font-style: italic; }

/* ---------- Definición ---------- */
.def {
  margin: 1rem 0;
  padding-left: .9rem;
  border-left: 2px solid var(--rule);
}
.def .term { font-weight: 700; color: var(--accent-2); }

/* ---------- Tabla ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
  margin: 1.2rem 0;
}
th, td {
  text-align: left;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
th {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--rule);
}
tbody tr:hover { background: rgba(31,95,79,.03); }

/* ---------- Rejilla Thomas-Kilmann ---------- */
.tki {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  grid-template-rows: auto 1fr 1fr;
  gap: 6px;
  margin: 1.4rem 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .82rem;
}
.tki .axis-y { writing-mode: vertical-rl; transform: rotate(180deg); grid-row: 2 / 4; grid-column: 1;
  text-align: center; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.tki .axis-x { grid-column: 2 / 4; text-align: center; font-size: .7rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-faint); padding-top: .2rem; }
.tki .cell {
  border-radius: 6px;
  padding: .7rem .8rem;
  border: 1px solid var(--rule);
  background: #fff;
  line-height: 1.35;
}
.tki .cell b { display: block; font-size: .86rem; margin-bottom: .15rem; }
.tki .cell span { color: var(--ink-faint); font-size: .74rem; }
.tki .c-compete { background: #fbeceb; }
.tki .c-collab  { background: #eaf5ee; }
.tki .c-comp    { background: #fdf4ec; }
.tki .c-avoid   { background: #f2f2ef; }
.tki .c-accom   { background: #eef2f7; }

/* ---------- Pasos numerados ---------- */
.steps { counter-reset: step; list-style: none; padding-left: 0; }
.steps > li {
  position: relative;
  padding-left: 2.6rem;
  margin: .8rem 0;
}
.steps > li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0; top: .05rem;
  width: 1.7rem; height: 1.7rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .82rem;
  display: grid;
  place-items: center;
}

/* ---------- Fuente primaria / referencias ---------- */
.primary {
  border: 1px dashed var(--accent);
  border-radius: 6px;
  padding: .9rem 1.1rem;
  margin: 1.6rem 0;
  background: rgba(31,95,79,.03);
}
.primary .title {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
  display: block; margin-bottom: .3rem;
}
.cite { font-size: .84rem; color: var(--ink-faint); }
sup.fn { font-size: .68em; line-height: 0; }
sup.fn a { text-decoration: none; }

/* ---------- Enlaces de navegación entre lecciones ---------- */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 2px solid var(--rule);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .85rem;
}
.lesson-nav a { text-decoration: none; }
.lesson-nav .next { text-align: right; }

/* ---------- Píldoras / etiquetas ---------- */
.pill {
  display: inline-block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(31,95,79,.1);
  color: var(--accent);
  border-radius: 999px;
  padding: .15rem .6rem;
  margin-right: .3rem;
}

/* ---------- Índice del curso ---------- */
.course-grid { display: grid; gap: 1rem; margin: 1.6rem 0; }
.course-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  background: #fff;
  transition: border-color .15s, transform .15s;
}
.course-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.course-card .num {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2);
}
.course-card h3 { margin: .2rem 0 .3rem; font-size: 1.05rem; }
.course-card p { margin: 0; font-size: .88rem; color: var(--ink-soft); }

/* ==========================================================================
   QUIZ (widget en assets/quiz.js)
   ========================================================================== */
.quiz { margin: 1.6rem 0; }
.quiz > .quiz-head {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: .2rem;
}
.quiz .q {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  margin: .9rem 0;
  list-style: none;
}
.quiz ol.quiz-questions { list-style: none; padding: 0; margin: 0; }
.quiz .q-text { font-weight: 700; margin: 0 0 .6rem; }
.quiz .options { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.quiz .opt {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: .95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: .55rem .75rem;
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.quiz .opt:hover:not(:disabled) { border-color: var(--accent); background: #fff; }
.quiz .opt:disabled { cursor: default; }
.quiz .opt .letter {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 700; color: var(--ink-faint); margin-right: .5rem;
}
.quiz .opt.correct { background: var(--ok-bg); border-color: var(--ok-ink); color: var(--ok-ink); }
.quiz .opt.wrong   { background: var(--no-bg); border-color: var(--no-ink); color: var(--no-ink); }
.quiz .feedback { margin: .6rem 0 0; font-size: .88rem; }
.quiz .feedback.ok { color: var(--ok-ink); }
.quiz .feedback.no { color: var(--no-ink); }
.quiz .quiz-score {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .9rem; font-weight: 700;
  background: rgba(184,134,11,.1);
  border: 1px solid #e4d6a8;
  border-radius: 6px;
  padding: .7rem .9rem;
  margin-top: 1rem;
}
.quiz .quiz-actions { margin-top: .8rem; }
.quiz .quiz-actions button {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: .82rem;
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: .45rem .9rem; cursor: pointer;
}
.quiz .quiz-actions button:hover { background: #17493c; }

/* ---------- Toggle "mostrar/ocultar" reutilizable ---------- */
details.reveal {
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: .6rem .9rem;
  margin: .9rem 0;
  background: #fff;
}
details.reveal > summary { cursor: pointer; font-weight: 700; color: var(--accent); }
details.reveal[open] > summary { margin-bottom: .5rem; }

/* ---------- Impresión ---------- */
@media print {
  body { font-size: 11.5pt; background: #fff; }
  .topbar, .lesson-nav, .quiz-actions, .no-print { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  a { color: #000; text-decoration: none; }
  .quiz .opt { border-color: #999; }
  .quiz .q { break-inside: avoid; }
  h2 { break-after: avoid; }
  .callout, .primary, .goal, figure.margin { break-inside: avoid; }
}

@media (max-width: 620px) {
  body { font-size: 18px; }
  h1 { font-size: 1.65rem; }
}