@import url("assets/fonts.css");

/* DSAP — UNIL/HEC institutional working tool.
   Flat modular rectangles. One circle: the current-week marker.
   HEC palette leads; UNIL blue is an accent; gold marks exams. */

:root {
  --paper: #fdfdfc;
  --ink: #14181d;
  --ink-2: #4b5563;
  --hair: #d9dee5;
  --hair-2: #b9c2cd;

  --hec: #395b8c;
  --hec-dark: #1e2b3e;
  --hec-light: #3578b4;
  --gold: #fab52a;
  --ublue: #0066ff;
  --accent: var(--ublue);

  --hec-tint: color-mix(in oklab, var(--hec) 7%, white);
  --gold-tint: color-mix(in oklab, var(--gold) 16%, white);

  --sans: "Unil Sans", Arial, sans-serif;
  --serif: "Unil Serif", Georgia, serif;

  --w: 71rem;
  --pad: clamp(1rem, 3vw, 2.5rem);
}

* { box-sizing: border-box; margin: 0; }
html { font-size: 16px; }
body {
  font-family: var(--sans); font-weight: 400; color: var(--ink);
  background: var(--paper); line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--hec); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--hair-2); }
a:hover { color: var(--ublue); text-decoration-color: var(--ublue); }

.wrap { max-width: var(--w); margin-inline: auto; padding-inline: var(--pad); }

/* ---- UNIL signature bar ---- */
.sig { border-bottom: 1px solid var(--hair); background: #fff; }
.sig .wrap { display: flex; align-items: center; gap: 1rem; padding-block: 0.9rem; }
.sig img { height: 26px; display: block; }
.sig .fac { border-left: 1px solid var(--hair-2); padding-left: 1rem; font-size: 0.95rem; letter-spacing: 0.01em; }
.sig .sem { margin-left: auto; font-size: 0.85rem; color: var(--ink-2); }

/* ---- masthead ---- */
.mast { background: var(--hec); color: #fff; }
.mast .wrap { padding-block: clamp(1.6rem, 4vw, 2.6rem); }
.mast h1 { font-size: clamp(1.55rem, 3.4vw, 2.4rem); font-weight: 700; line-height: 1.15; max-width: 24ch; }
.mast .sub { margin-top: 0.5rem; font-weight: 300; font-size: 1.02rem; color: #fff; opacity: 0.92; max-width: 58ch; }

/* ---- facts row: modular flat zones ---- */
.facts { border-bottom: 1px solid var(--hair); background: #fff; }
.facts .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.facts section { padding: 0.9rem 1rem 0.9rem 0; }
.facts section + section { border-left: 1px solid var(--hair); padding-left: 1rem; }
.facts h2 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 0.15rem; }
.facts p { font-size: 0.95rem; }
.facts .note { color: var(--ink-2); font-size: 0.85rem; }

/* ---- section headings ---- */
main .wrap { padding-block: 2.2rem 3rem; }
h2.sect { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--hec-dark); margin-bottom: 0.9rem; }
h2.sect::after { content: ""; display: block; width: 2.5rem; height: 3px; background: var(--accent); margin-top: 0.35rem; }

/* ---- schedule table ---- */
table.sched { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.sched th {
  text-align: left; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--ink-2);
  border-bottom: 2px solid var(--hec-dark); padding: 0 0.9rem 0.5rem 0;
}
.sched td { border-bottom: 1px solid var(--hair); padding: 0.62rem 0.9rem 0.62rem 0; vertical-align: baseline; }
.sched td:last-child, .sched th:last-child { padding-right: 0; }
.sched .wk { font-feature-settings: "tnum" 1; color: var(--ink-2); width: 3.2rem; white-space: nowrap; }
.sched .q { font-family: var(--serif); font-style: italic; font-size: 1.0rem; }
.sched .q a { font-family: var(--serif); }
.sched td.m { color: var(--ink-2); white-space: nowrap; }
.sched .mat { font-size: 0.88rem; white-space: nowrap; }
.sched .mat .dot { color: var(--hair-2); padding-inline: 0.3rem; }
.sched .mat .tba { color: var(--ink-2); }

/* current week: the page's one circle */
.sched tr.now td { background: var(--hec-tint); }
.sched tr.now .wk { color: var(--hec); font-weight: 700; }
.sched tr.now td.wk:first-child::before {
  content: ""; display: inline-block; width: 0.55em; height: 0.55em;
  border-radius: 50%; background: var(--accent); margin-right: 0.45em;
}
/* exams: gold rectangles */
.sched tr.exam td { background: var(--gold-tint); }
.sched tr.exam .m { color: var(--ink); font-weight: 700; }

/* ---- lower modular zones ---- */
.zones { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 2.6rem; }
.loop ol { list-style: none; counter-reset: n; padding: 0; }
.loop li { counter-increment: n; display: grid; grid-template-columns: 1.6rem 6.2rem 1fr; gap: 0.6rem; padding-block: 0.42rem; border-bottom: 1px solid var(--hair); font-size: 0.93rem; align-items: baseline; }
.loop li::before { content: counter(n); font-feature-settings: "tnum" 1; color: var(--hec-light); font-weight: 700; }
.loop b { font-weight: 700; }
.loop span { color: var(--ink-2); }

.grading table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.grading td { border-bottom: 1px solid var(--hair); padding: 0.42rem 0.8rem 0.42rem 0; vertical-align: baseline; }
.grading td:first-child { font-weight: 700; white-space: nowrap; }
.grading .frac { font-feature-settings: "tnum" 1; color: var(--hec); font-weight: 700; white-space: nowrap; }
.grading .fine { color: var(--ink-2); font-size: 0.86rem; }

/* ---- footer ---- */
footer { background: var(--hec-dark); color: #fff; margin-top: 3rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 0.6rem 2.4rem; align-items: center; padding-block: 1.3rem; font-size: 0.86rem; font-weight: 300; }
footer img { height: 20px; display: block; }
footer a { color: #fff; text-decoration-color: color-mix(in oklab, #fff 45%, var(--hec-dark)); }
footer a:hover { color: #fff; text-decoration-color: #fff; }
footer .nuv { margin-left: auto; }

/* ---- week page ---- */
.wk-mast { background: var(--hec); color: #fff; }
.wk-mast .wrap { padding-block: clamp(1.4rem, 3.5vw, 2.2rem); }
.wk-mast .crumb { font-size: 0.82rem; font-weight: 300; opacity: 0.92; margin-bottom: 0.5rem; }
.wk-mast .crumb a { color: #fff; }
.wk-mast h1 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; }
.wk-mast .q { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.05rem, 2vw, 1.3rem); margin-top: 0.45rem; opacity: 0.95; }

.loopstrip { border-bottom: 1px solid var(--hair); background: #fff; }
.loopstrip .wrap { display: flex; flex-wrap: wrap; gap: 0.4rem 0; padding-block: 0.7rem; font-size: 0.85rem; color: var(--ink-2); }
.loopstrip span { padding: 0.1rem 0.55rem; }
.loopstrip span + span { border-left: 1px solid var(--hair); }
.loopstrip .on { color: var(--hec-dark); font-weight: 700; background: var(--gold-tint); }

.mats { margin-top: 0.4rem; }
.mats .row { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding-block: 0.75rem; border-bottom: 1px solid var(--hair); align-items: baseline; }
.mats dt { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); }
.mats dd { margin: 0; }
.mats .ms { display: block; font-size: 0.86rem; color: var(--ink-2); }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; font-size: 0.93rem; }
.pager .lbl { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 0.1rem; }
.pager a { text-decoration: none; }
.pager a b { text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--hair-2); }
.pager .next { text-align: right; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .facts .wrap { grid-template-columns: 1fr 1fr; }
  .facts section:nth-child(3) { border-left: 0; padding-left: 0; }
  .facts section { border-top: 1px solid var(--hair); }
  .facts section:nth-child(-n+2) { border-top: 0; }
  .zones { grid-template-columns: 1fr; gap: 2rem; }
  .sched .m { display: none; }
}
@media (max-width: 620px) {
  .sched .mat { white-space: normal; }
  .sig .sem { display: none; }
}

/* upcoming sessions: greyed until revealed by publish.sh */
.sched tr.future td { opacity: 0.5; }
.sched tr.future .q a { pointer-events: none; }
/* workshop subline under the session title */
.sched .ws { display: block; font-family: var(--sans); font-style: normal; font-size: 0.8rem; color: var(--ink-2); margin-top: 0.1rem; }

/* ---- primary navigation ---- */
.nav { background: #fff; border-bottom: 1px solid var(--hair); }
.nav .wrap { display: flex; gap: 1.8rem; padding-block: 0.65rem; font-size: 0.92rem; }
.nav a { text-decoration: none; color: var(--ink-2); padding-block: 0.1rem; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--hec); }
.nav a[aria-current] { color: var(--hec-dark); font-weight: 700; border-bottom-color: var(--ublue); }

/* ---- liveness: status strip + expandable rows ---- */
.pulse { margin-top: 1.1rem; max-width: 46rem; }
.pulse-row { display: flex; flex-wrap: wrap; gap: 0.3rem 1.2rem; align-items: baseline; font-size: 0.92rem; }
.pulse-row b { font-weight: 700; }
.pulse-row span { opacity: 0.9; font-weight: 300; }
.pulse .bar { height: 4px; background: rgba(255,255,255,0.28); margin-top: 0.55rem; }
.pulse .bar .fill { height: 100%; background: var(--accent); transition: width 0.9s cubic-bezier(0.22,1,0.36,1); }
.sched tr.expandable { cursor: pointer; }
.sched tr.expandable:hover td { background: var(--hec-tint); }
.sched tr.expandable .q::before { content: "▸"; display: inline-block; width: 1.1em; color: var(--ink-3, var(--ink-2)); font-family: var(--sans); font-style: normal; font-size: 0.8em; transition: transform 0.25s cubic-bezier(0.22,1,0.36,1); }
.sched tr.expandable.open .q::before { transform: rotate(90deg); }
.sched tr.detail td { padding: 0; border-bottom: 0; background: #fff; }
.sched tr.detail .d-wrap { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s cubic-bezier(0.22,1,0.36,1); }
.sched tr.detail.open .d-wrap { grid-template-rows: 1fr; }
.sched tr.detail .d-in { overflow: hidden; }
.sched tr.detail .d-body { padding: 1rem 1.2rem 1.2rem 3.2rem; border-bottom: 1px solid var(--hair); border-left: 3px solid var(--accent); font-size: 0.93rem; line-height: 1.5; }
.sched tr.detail .d-body p { margin: 0 0 0.5rem; }
.sched tr.detail .d-body ul { margin: 0.2rem 0 0.6rem 1.1rem; padding: 0; }
.sched tr.detail .d-body h4 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); margin: 0.7rem 0 0.25rem; }
.sched tr.detail .d-mat .tba { color: var(--ink-2); }
@media (prefers-reduced-motion: reduce) { .pulse .bar .fill, .sched tr.detail .d-wrap, .sched tr.expandable .q::before { transition: none; } }

/* ---- Nuvolos band + buttons + external nav ---- */
.nuvolos-band { background: #fff; border-bottom: 1px solid var(--hair); }
.nuvolos-band .wrap { display: flex; align-items: center; gap: 1.6rem; padding-block: 1rem; flex-wrap: wrap; }
.nuvolos-band img { height: 40px; display: block; }
.nb-text { flex: 1; min-width: 16rem; font-size: 0.92rem; }
.nb-text b { display: block; font-weight: 700; }
.nb-text span { color: var(--ink-2); }
.nb-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.btn { display: inline-block; padding: 0.5rem 1rem; border: 1px solid var(--hec); color: var(--hec); text-decoration: none; font-weight: 700; font-size: 0.9rem; }
.btn.primary { background: var(--hec); color: #fff; }
.btn:hover { background: var(--hec-dark); border-color: var(--hec-dark); color: #fff; }
.nav a.ext::after { content: " ↗"; font-size: 0.8em; }

/* ---- teaching team ---- */
.team { display: grid; gap: 1px; background: var(--hair);
  border: 1px solid var(--hair); border-radius: 4px; overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.team .person { background: var(--paper); padding: 0.85rem 1rem; display: flex; flex-direction: column; gap: 0.15rem; }
.team .person b { font-size: 0.98rem; color: var(--ink); font-weight: 600; }
.team .person .role { font-size: 0.78rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); }
.team .person a { font-size: 0.88rem; color: var(--ink-2); text-decoration: none; word-break: break-all; }
.team .person a:hover { color: var(--accent); text-decoration: underline; }
.team .person .note { font-size: 0.84rem; color: var(--ink-2); margin-top: 0.15rem; }
.team-note { margin-top: 0.7rem; font-size: 0.88rem; color: var(--ink-2); max-width: 62ch; }

:root { --accent: #0066ff; }