/* ============================================================
   diana-teaches.com — shared stylesheet
   Linked from every page as <link href="/styles.css">
   The leading slash means "from the site root", so this one
   file works no matter how deep the page sits.
   ============================================================ */

:root {
  --paper:      #eff1ee;
  --paper-warm: #f7f8f6;
  --ink:        #16232b;
  --muted:      #5e6e73;
  --rule:       #d4dad5;

  /* Each language gets its own accent so students can tell at a
     glance which side of the site they're on. Set on <body>. */
  --en: #2d5c8f;
  --es: #b4601f;
  --accent: var(--en);

  --measure: 34rem;
}

body[data-lang="es"] { --accent: var(--es); }

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 3rem 1.5rem 6rem;
  background: var(--paper);
  color: var(--ink);
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
}

/* ---------- breadcrumb / URL trail ------------------------- */
/* Display names, not raw folder names: "English / Unit 1", matching
   the headword the student clicked. The typeable lowercase address
   lives in .path on the parent page — URLs are case-sensitive, so the
   trail is for orientation and .path is for dictating out loud. */

.trail {
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  color: var(--muted);
  margin: 0 0 2.5rem;
  word-break: break-word;
}

.trail a { color: var(--muted); text-decoration-color: var(--rule); }
.trail a:hover { color: var(--accent); }
.trail .sep { opacity: 0.5; padding: 0 0.15em; }

/* ---------- headings --------------------------------------- */

.eyebrow {
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

h1 {
  font-family:"Lexend",system-ui,sans-serif"Times New Roman", serif;
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(2.1rem, 7vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
}

h2 {
  font-family:"Lexend",system-ui,sans-serif;
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 1.2;
  margin: 3rem 0 1rem;
}

.standfirst {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 3rem;
  max-width: 30rem;
}

/* ---------- the entry list (signature element) -------------- */
/* Modelled on a bilingual dictionary: headword, then the path
   where the reader will find it, then the gloss. */

.entries { list-style: none; margin: 0; padding: 0; }

.entries li { border-top: 1px solid var(--rule); }
.entries li:last-child { border-bottom: 1px solid var(--rule); }

.entry {
  display: block;
  padding: 1.35rem 0 1.4rem 1.1rem;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, padding-left 0.15s ease,
              background-color 0.15s ease;
}

.entry:hover,
.entry:focus-visible {
  border-left-color: var(--accent);
  padding-left: 1.5rem;
  background: var(--paper-warm);
}

.entry:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.headword {
  font-family:"Lexend",system-ui,sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  display: block;
}

.headword .tag {
  font-family:"Lexend",system-ui,sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--muted);
  margin-left: 0.5rem;
  letter-spacing: 0;
}

.path {
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 0.8125rem;
  color: var(--accent);
  margin: 0.35rem 0 0;
  word-break: break-word;
}

.gloss {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* Date a page was added. Only used on the internal master index. */
.added {
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
  opacity: 0.75;
}

/* ---------- lesson body content ---------------------------- */

.lesson p { max-width: var(--measure); }

.lesson ul, .lesson ol { padding-left: 1.2rem; }
.lesson li { margin-bottom: 0.5rem; }

.lesson a { color: var(--accent); text-underline-offset: 0.15em; }

.lesson img,
.lesson video { max-width: 100%; height: auto; display: block; }

.lesson audio { width: 100%; margin: 0.75rem 0 1.5rem; }

/* Vocabulary pairs — term on the left, meaning on the right */
.vocab {
  margin: 1.5rem 0 2rem;
  border-top: 1px solid var(--rule);
}

.vocab div {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
}

.vocab dt {
  font-weight: 600;
  flex: 0 0 11rem;
  margin: 0;
}

.vocab dd { margin: 0; color: var(--muted); flex: 1 1 12rem; }

blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.1rem;
  border-left: 3px solid var(--accent);
  font-family:"Lexend",system-ui,sans-serif;
  font-size: 1.1rem;
}

.note {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: 1rem 1.2rem;
  margin: 2rem 0;
  font-size: 0.9375rem;
}

.note strong { display: block; margin-bottom: 0.25rem; }

/* ---------- footer ----------------------------------------- */

.foot {
  margin-top: 4.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.875rem;
  color: var(--muted);
}

.foot a { color: var(--muted); }

/* ---------- responsive + accessibility --------------------- */

@media (max-width: 30rem) {
  body { padding-top: 2rem; }
  .vocab dt { flex: 1 1 100%; }
  .vocab dd { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media print {
  body { background: #fff; padding: 0; }
  .trail, .foot { display: none; }
}