/* Resource UI · compact reading surface for the generated course documents. */
:root {
  --resource-bg: #f3f5f8;
  --resource-surface: #ffffff;
  --resource-surface-muted: #e9edf3;
  --resource-ink: #15161a;
  --resource-muted: #59616f;
  --resource-border: #dfe4ec;
  --resource-primary: #1a5fd2;
  --resource-primary-dark: #1758c8;
  --resource-brand: #1758c8;
  --resource-brand-soft: #e9edf3;
  --resource-shadow: none;
  --resource-font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --resource-font-display: "IBM Plex Serif", Georgia, serif;
}

html.dark {
  --resource-bg: #0f1218;
  --resource-surface: #171b22;
  --resource-surface-muted: #222832;
  --resource-ink: #f5f7fb;
  --resource-muted: #a8b0bf;
  --resource-border: #303846;
  --resource-primary: #67a1ff;
  --resource-primary-dark: #9bc0ff;
  --resource-brand: #9bc0ff;
  --resource-brand-soft: #222832;
  --resource-shadow: none;
}

html { background: var(--resource-bg); }

body.resource-page {
  margin: 0;
  min-width: 320px;
  background: var(--resource-bg);
  color: var(--resource-ink);
  font-family: var(--resource-font-ui) !important;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

html.dark body.resource-page {
  background: var(--resource-bg);
}

body.resource-page ::selection { background: #d7e7ff; color: var(--resource-ink); }
html.dark body.resource-page ::selection { background: #344d78; color: #fff; }

body.resource-page .skip-link {
  position: fixed;
  left: 18px;
  top: 10px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 8px 12px;
  background: var(--resource-ink);
  color: #fff;
  border-radius: 8px;
  font-family: var(--resource-font-ui);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .18s ease;
}

body.resource-page .skip-link:focus { transform: translateY(0); }

body.resource-page .bar {
  position: sticky !important;
  top: 0 !important;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 10px clamp(18px, 4vw, 48px) !important;
  background: rgb(255 255 255 / .78) !important;
  border-bottom: 1px solid rgb(223 228 236 / .92) !important;
  box-shadow: 0 8px 26px -22px rgb(15 18 26 / .35);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  font-family: var(--resource-font-ui) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
}

body.resource-page .bar a {
  color: var(--resource-primary-dark) !important;
  text-decoration: none !important;
}

body.resource-page .bar a:hover { color: var(--resource-brand) !important; }
body.resource-page .lesson-nav-actions { display: flex; align-items: center; gap: 10px; flex: none; }
body.resource-page .help-link { display: inline-flex; align-items: center; gap: 6px; min-height: 2.35rem; padding: 0 12px; border: 1px solid var(--resource-border); border-radius: .4rem; background: var(--resource-surface); color: var(--resource-primary-dark) !important; font-size: 12px; font-weight: 700; white-space: nowrap; }
body.resource-page .help-link::before { content: "?"; display: inline-grid; place-items: center; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--resource-primary); color: #fff; font-size: 11px; line-height: 1; }
body.resource-page .help-link:hover { border-color: var(--resource-primary); }
html.dark body.resource-page .bar { background: rgb(17 21 29 / .84) !important; border-bottom-color: rgb(48 56 70 / .92) !important; box-shadow: 0 8px 26px -22px rgb(0 0 0 / .8); }
body.resource-page .wrap { width: min(100% - 36px, 920px); max-width: none; margin: 0 auto; padding: clamp(38px, 6vw, 72px) 0 96px; }

body.resource-page h1,
body.resource-page h2,
body.resource-page h3,
body.resource-page h4,
body.resource-page summary,
body.resource-page thead th {
  font-family: var(--resource-font-display) !important;
  color: var(--resource-ink);
  line-height: 1.12;
  letter-spacing: -.015em;
}

body.resource-page h1 { max-width: 18ch; margin: 0 0 28px; font-size: clamp(2.8rem, 6vw, 5rem) !important; font-weight: 600; }
body.resource-page h2 { margin: 1.75em 0 .55em; padding-bottom: 10px; border-bottom: 1px solid var(--resource-border); color: var(--resource-brand); font-size: clamp(1.55rem, 3.5vw, 2.35rem) !important; font-weight: 700; }
body.resource-page h3 { margin: 1.45em 0 .45em; font-size: 1.35rem; }
body.resource-page h4 { margin: 1.2em 0 .35em; color: var(--resource-muted); font-size: 1.05rem; }
body.resource-page p { margin: .75em 0; color: var(--resource-ink); }
body.resource-page a { color: var(--resource-primary-dark); }
body.resource-page a:focus-visible,
body.resource-page .bar a:focus-visible { outline: 3px solid #9bc0ff; outline-offset: 4px; border-radius: 4px; }
body.resource-page strong,
body.resource-page b { color: var(--resource-ink); }
body.resource-page ul,
body.resource-page ol { padding-left: 1.35em; }
body.resource-page li { margin: .38em 0; }

body.resource-page blockquote,
body.resource-page details {
  background: var(--resource-surface);
  border: 1px solid var(--resource-border);
  border-radius: 8px;
  box-shadow: var(--resource-shadow);
}

body.resource-page blockquote { margin: 1.25em 0; padding: 18px 22px; border-left: 4px solid var(--resource-brand); color: var(--resource-ink); }
body.resource-page blockquote p { margin: .45em 0; }
html.dark body.resource-page blockquote { background: var(--resource-surface); }
body.resource-page code { background: var(--resource-surface-muted); color: var(--resource-primary-dark); border-radius: 6px; padding: 2px 6px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .86em; }
body.resource-page pre { background: linear-gradient(135deg, #1d2028, #2a2440); color: #f2efff; border: 1px solid rgb(255 255 255 / .08); border-radius: 8px; box-shadow: var(--resource-shadow); padding: 18px 20px; overflow-x: auto; font-size: 13px; line-height: 1.6; }
body.resource-page pre code { background: none; color: inherit; padding: 0; }
body.resource-page table { width: 100%; margin: 1.25em 0; border-collapse: collapse; overflow: hidden; background: var(--resource-surface); border: 1px solid var(--resource-border); border-radius: 8px; box-shadow: var(--resource-shadow); font-size: 14px; }
body.resource-page th,
body.resource-page td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--resource-border); }
body.resource-page thead th { background: var(--resource-surface-muted); font-size: 14px; font-weight: 700; }
body.resource-page tr:last-child td { border-bottom: 0; }
body.resource-page hr { border: 0; border-top: 1px solid var(--resource-border); margin: 2.5em 0; }
body.resource-page details { margin: 14px 0; padding: 12px 17px; }
body.resource-page details[open] { box-shadow: 0 24px 54px -34px rgb(15 18 26 / .38); }
body.resource-page summary { cursor: pointer; color: var(--resource-primary-dark); font-size: 1.05rem; font-weight: 700; }
/* Cercador de la pàgina i botons de copiar (afegits pel generador). */
body.resource-page .res-tools { display: grid; gap: 6px; margin: 0 0 28px; }
body.resource-page .res-filter-label { color: var(--resource-brand); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
body.resource-page .res-filter { width: 100%; padding: 12px 14px; border: 1px solid var(--resource-border); border-radius: 8px; background: var(--resource-surface); color: var(--resource-ink); font: inherit; font-size: 15px; box-shadow: var(--resource-shadow); }
body.resource-page .res-filter:focus { outline: none; border-color: var(--resource-primary); box-shadow: 0 0 0 3px rgb(38 116 237 / .14); }
body.resource-page .res-filter-count { min-height: 1.2em; color: var(--resource-muted); font-size: 12px; font-weight: 700; }
body.resource-page .pre-wrap { position: relative; }
body.resource-page .pre-copy { position: absolute; top: 10px; right: 10px; padding: 5px 11px; border: 1px solid rgb(255 255 255 / .25); border-radius: 8px; background: rgb(255 255 255 / .12); color: #fff; font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; }
body.resource-page .pre-copy:hover { background: rgb(255 255 255 / .22); }
@media print { body.resource-page .res-tools, body.resource-page .pre-copy { display: none !important; } }

body.resource-page .gen { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--resource-border); color: var(--resource-muted); font-family: var(--resource-font-ui) !important; font-size: 12px; font-style: normal; }
body.resource-page .gen code { color: var(--resource-muted); }

html.dark body.resource-page .skip-link { background: #fff; color: #10131a; }
html.dark body.resource-page .resource-page,
html.dark body.resource-page details,
html.dark body.resource-page table { color: var(--resource-ink); }

@media (max-width: 640px) {
  body.resource-page .wrap { width: min(100% - 28px, 920px); padding-top: 30px; }
  body.resource-page .bar { min-height: 50px; padding-inline: 14px !important; }
  body.resource-page h1 { font-size: clamp(2.6rem, 13vw, 4.1rem) !important; }
  body.resource-page th,
  body.resource-page td { padding: 9px 10px; }
}

@media print {
  body.resource-page { background: #fff !important; }
  body.resource-page .bar { position: static !important; box-shadow: none; }
}