/* AI as a Learning Partner — web version of the PLUS/Nord Moodle module.
   Its own look, taken from the Moodle original: IBM Plex Sans and Mono, one
   blue, white cards on a cool grey page, and an amber accent reserved for
   the pause question. The SEA-EU band and the EU statement come from
   ../brand/seaeu-brand.css. */

:root {
  color-scheme: light;
  --page: #f3f5f9;
  --card: #ffffff;
  --ink: #1a1a1a;
  --ink-2: #3d4452;
  --muted: #5f6675;
  --hair: rgba(26, 32, 46, 0.12);
  --blue: #1a56db;
  --blue-ink: #1446b4;
  --blue-soft: #e8effd;
  --amber: #b45309;
  --amber-soft: #fdf3e2;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-ui: var(--sans);
  --radius: 12px;
  --wrap: 1040px;
  --read: 700px;
  --pad: clamp(18px, 5vw, 44px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--blue-ink); text-underline-offset: 3px; }
a:hover { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; margin: 0; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin: 0.3em 0; }

.lp-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.lp-read { max-width: var(--read); }

/* ---------- top bar ---------- */
.lp-top { background: var(--card); border-bottom: 1px solid var(--hair); }
.lp-top .lp-wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-top: 12px; padding-bottom: 12px; }
.lp-home { text-decoration: none; color: var(--ink); display: inline-flex; align-items: baseline; gap: 10px; }
.lp-home b { font-weight: 600; font-size: 18px; }
.lp-home span { font-family: var(--mono); font-size: 12px; color: var(--muted); }
@media (max-width: 720px) { .lp-home span { display: none; } }
.lp-rail { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-family: var(--mono); font-size: 13px; }
.lp-rail a { position: relative; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; text-decoration: none; color: var(--ink-2); }
.lp-rail a:hover { background: var(--blue-soft); color: var(--blue-ink); }
.lp-rail a[aria-current="page"] { background: var(--blue); color: #fff; }
.lp-rail a.has-notes::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.lp-rail a[aria-current="page"].has-notes::after { background: #fff; }

/* ---------- headers ---------- */
.lp-kicker { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-ink); margin: 0 0 12px; }
.lp-head { padding-top: clamp(32px, 6vw, 60px); }
.lp-head h1 { font-size: clamp(30px, 4.6vw, 44px); max-width: 22ch; }
.lp-lede { font-size: clamp(17.5px, 2vw, 19.5px); color: var(--ink-2); margin-top: 18px; }

.lp-section { margin-top: clamp(30px, 5vw, 46px); }
.lp-section > h2 { font-size: clamp(21px, 2.8vw, 25px); margin-bottom: 12px; }
.lp-card { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: clamp(18px, 3vw, 26px); }
.lp-card > :last-child { margin-bottom: 0; }

/* the coming video */
.lp-video-slot { background: var(--blue); color: #fff; border-radius: var(--radius); padding: clamp(22px, 4vw, 36px); display: grid; gap: 6px; }
.lp-video-slot .t { font-weight: 600; font-size: 19px; }
.lp-video-slot .m { font-family: var(--mono); font-size: 13px; color: rgba(255, 255, 255, 0.82); }
.lp-video-slot .s { font-size: 15.5px; color: rgba(255, 255, 255, 0.92); margin-top: 6px; }

/* example questions */
.lp-examples { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: 8px; }
.lp-examples li { margin: 0; background: var(--card); border: 1px solid var(--hair); border-left: 3px solid var(--blue); border-radius: 8px; padding: 10px 14px; font-style: italic; color: var(--ink-2); }

/* before / during / after */
.lp-phases { display: grid; gap: 16px; }
.lp-phase { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); overflow: hidden; }
.lp-phase-head { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--hair); background: var(--blue-soft); }
.lp-phase-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-family: var(--mono); font-weight: 500; flex-shrink: 0; }
.lp-phase-head small { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue-ink); }
.lp-phase-head h3 { font-size: 19px; }
.lp-phase-body { padding: 18px 20px 20px; }
.lp-phase-body > :last-child { margin-bottom: 0; }

.lp-pause { background: var(--amber-soft); border-left: 4px solid var(--amber); border-radius: 8px; padding: 14px 18px; font-size: clamp(18px, 2.4vw, 21px); font-weight: 500; color: var(--ink); margin: 6px 0 16px; }
.lp-pause small { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber); font-weight: 500; margin-bottom: 4px; }

.lp-note { font-size: 15px; color: var(--muted); }
.lp-tip { background: var(--blue-soft); border-radius: 8px; padding: 12px 16px; font-size: 15.5px; color: var(--ink-2); }

/* fields */
.lp-field { margin: 12px 0 0; }
.lp-field label, .lp-field legend { display: block; font-weight: 600; font-size: 15.5px; margin-bottom: 6px; }
.lp-field textarea, .lp-field input[type="text"], .lp-field input[type="date"] {
  display: block; width: 100%; font: inherit; font-size: 16px; line-height: 1.6; color: var(--ink);
  background: #fff; border: 1px solid var(--hair); border-radius: 8px; padding: 10px 12px;
}
.lp-field textarea { min-height: 110px; resize: vertical; }
.lp-field input[type="date"] { max-width: 220px; }
.lp-field textarea:focus, .lp-field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.lp-field fieldset { border: 0; padding: 0; margin: 0; }
.lp-checks { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.lp-checks label { display: inline-flex; align-items: center; gap: 8px; font-weight: 400; margin: 0; }
.lp-checks input { width: 18px; height: 18px; accent-color: var(--blue); }
.lp-status { font-family: var(--mono); font-size: 12.5px; color: var(--muted); min-height: 1.4em; margin-top: 6px; }
.lp-private { font-size: 14.5px; color: var(--muted); margin: 0 0 8px; }

/* before and after side by side */
.lp-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.lp-compare > div { background: var(--page); border-radius: 8px; padding: 12px 14px; font-size: 15px; color: var(--ink-2); white-space: pre-wrap; }
.lp-compare b { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue-ink); margin-bottom: 4px; white-space: normal; }
.lp-empty { color: var(--muted); font-style: italic; }
@media (max-width: 640px) { .lp-compare { grid-template-columns: 1fr; } }

/* buttons */
.lp-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.lp-btn { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font: 500 15px/1 var(--sans); text-decoration: none; padding: 11px 16px; border-radius: 8px; border: 1px solid var(--blue); background: #fff; color: var(--blue-ink); }
.lp-btn:hover { background: var(--blue-soft); color: var(--blue-ink); }
.lp-btn--solid { background: var(--blue); color: #fff; }
.lp-btn--solid:hover { background: var(--blue-ink); color: #fff; }

/* research page */
.lp-stat { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; }
.lp-stat .big { font-family: var(--mono); font-size: clamp(44px, 8vw, 68px); font-weight: 500; color: var(--blue); line-height: 1; }
.lp-stat .big small { display: block; font-size: 13px; color: var(--muted); letter-spacing: 0.04em; margin-top: 6px; }
@media (max-width: 560px) { .lp-stat { grid-template-columns: 1fr; } }
.lp-callout { border-left: 4px solid var(--blue); background: var(--card); border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 0 0 1em; }
.lp-callout > :last-child { margin-bottom: 0; }
.lp-callout h3 { font-size: 17px; margin-bottom: 6px; }
.lp-callout--amber { border-left-color: var(--amber); }
.lp-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0 0 1em; }
.lp-two > div { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 14px 16px; font-size: 15.5px; }
.lp-two b { display: block; margin-bottom: 4px; }
@media (max-width: 640px) { .lp-two { grid-template-columns: 1fr; } }
.lp-refs { font-size: 14.5px; color: var(--ink-2); padding-left: 1.4em; }
.lp-refs li { margin: 0.5em 0; overflow-wrap: anywhere; }

/* disciplines */
.lp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.lp-grid > div { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 16px 18px; font-size: 15.5px; }
.lp-grid h3 { font-size: 17px; margin-bottom: 6px; color: var(--blue-ink); }
.lp-grid p:last-child { margin-bottom: 0; }

/* commitment card */
.lp-commit { background: var(--card); border: 2px dashed var(--blue); border-radius: var(--radius); padding: 18px 20px; }
.lp-commit h3 { font-size: 17px; margin-bottom: 8px; }
.lp-commit dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; font-size: 15.5px; }
.lp-commit dt { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.lp-commit dd { margin: 0; white-space: pre-wrap; }
@media (max-width: 520px) { .lp-commit dl { grid-template-columns: 1fr; } }

/* course home */
.lp-hero { padding-top: clamp(40px, 8vw, 84px); padding-bottom: 8px; }
.lp-hero h1 { font-size: clamp(36px, 6.4vw, 64px); line-height: 1.05; }
.lp-hero .sub { font-size: clamp(19px, 2.6vw, 24px); color: var(--ink-2); margin-top: 10px; }
.lp-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; font-family: var(--mono); font-size: 13px; }
.lp-meta li { margin: 0; background: var(--card); border: 1px solid var(--hair); border-radius: 999px; padding: 5px 12px; color: var(--ink-2); }
.lp-take { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.lp-take li { margin: 0; background: var(--card); border: 1px solid var(--hair); border-top: 3px solid var(--blue); border-radius: var(--radius); padding: 14px 16px; font-size: 15.5px; }
.lp-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.lp-steps a { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 14px 18px; }
.lp-steps a:hover { border-color: var(--blue); }
.lp-steps .n { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; font-family: var(--mono); }
.lp-steps .t { font-weight: 600; display: block; }
.lp-steps .d { font-size: 15.5px; color: var(--ink-2); display: block; margin-top: 2px; }
.lp-steps a.has-notes .t::after { content: "notes"; margin-left: 10px; font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--amber); border: 1px solid currentColor; border-radius: 999px; padding: 1px 7px; vertical-align: 2px; }

/* previous / next */
.lp-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: clamp(36px, 6vw, 56px); }
.lp-pager a { display: block; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 12px 16px; }
.lp-pager a:hover { border-color: var(--blue); }
.lp-pager small { display: block; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.lp-pager span { display: block; font-weight: 600; margin-top: 2px; line-height: 1.35; }
.lp-pager .next { grid-column: 2; text-align: right; }
@media (max-width: 560px) { .lp-pager { grid-template-columns: 1fr; } .lp-pager .next { grid-column: 1; } }

.lp-credit { margin-top: 44px; padding: 16px 0 6px; border-top: 1px solid var(--hair); font-size: 14px; color: var(--muted); }
.lp-credit p { margin-bottom: 0.4em; }

@media print {
  .lp-top, .lp-pager, .lp-actions, .lp-status { display: none !important; }
  body { background: #fff; }
}