:root {
  --ink: #2b2419;
  --ink-soft: #5e5443;
  --parchment: #f4ecd8;
  --parchment-2: #ece0c3;
  --card: #fbf6e9;
  --line: #d6c7a3;
  --accent: #7c3a1d;       /* oxblood */
  --accent-2: #b9863b;     /* brass */
  --good: #3f6b3a;
  --bad: #8a2f2a;
  --shadow: 0 10px 30px rgba(43, 36, 25, 0.18);
  --radius: 14px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* beat .screen--title/.reveal display:grid */

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 50% -10%, #fbf4e2 0%, transparent 60%),
    linear-gradient(160deg, var(--parchment) 0%, var(--parchment-2) 100%);
  color: var(--ink);
  font-family: "EB Garamond", Georgia, serif;
  font-size: 19px;
  line-height: 1.55;
}

h1, h2, h3, .title-name { font-family: "Spectral", Georgia, serif; letter-spacing: 0.2px; }

#app { max-width: 980px; margin: 0 auto; padding: 32px 22px 120px; }

.muted { color: var(--ink-soft); }

.screen { animation: rise 420ms ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- buttons ---------- */
.btn {
  font-family: "EB Garamond", serif;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 0.6em 1.1em;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 160ms ease, background 160ms ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--accent); color: #fbf2e2; border-color: var(--accent); font-weight: 600; }
.btn--ghost { background: transparent; }
.btn--back { background: transparent; border: none; color: var(--accent); padding: 0.3em 0; font-size: 0.9rem; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- title ---------- */
.screen--title { min-height: 78vh; display: grid; place-items: center; text-align: center; }
.title-inner { max-width: 620px; }
.crest { color: var(--accent-2); letter-spacing: 12px; margin: 0 0 6px; }
.title-name { font-size: 4.2rem; margin: 0; font-weight: 700; }
.title-tag { font-size: 1.35rem; font-style: italic; color: var(--accent); margin: 0.1em 0 1.4em; }
.title-intro { font-size: 1.08rem; margin-bottom: 2em; }
.title-foot { margin-top: 1.6em; font-size: 0.82rem; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- campus ---------- */
.campus-head h2, .wing-head h2, .board-head h2 { font-size: 2.1rem; margin: 0 0 0.2em; }
.campus-head { text-align: center; margin-bottom: 26px; }
.quad { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; position: relative; }

.faculty {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
  cursor: pointer;
  text-align: left;
  box-shadow: var(--shadow);
  transition: transform 160ms ease, box-shadow 200ms ease;
  overflow: hidden;
}
.faculty::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 6px;
  background: linear-gradient(var(--accent), var(--accent-2));
}
.faculty:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(43,36,25,0.24); }
.faculty__emoji { font-size: 2.4rem; }
.faculty__name { font-size: 1.5rem; margin: 0.2em 0 0.3em; font-family: "Spectral", serif; }
.faculty__blurb { color: var(--ink-soft); font-size: 0.98rem; min-height: 2.8em; }
.faculty__meter { margin-top: 14px; font-size: 0.85rem; color: var(--accent); font-variant: small-caps; letter-spacing: 0.5px; }
.faculty__bar { height: 5px; background: var(--parchment-2); border-radius: 4px; margin-top: 6px; overflow: hidden; }
.faculty__bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); width: 0; transition: width 400ms ease; }

.quad-wall { height: 0; }

/* ---------- board prompt (the "rumor mode" lure) ---------- */
.board-prompt {
  margin-top: 30px;
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(100deg, #fff7e6, #f3e6c5);
  border: 1px solid var(--accent-2);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  animation: glow 2.6s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(185,134,59,0.0), var(--shadow); }
  50% { box-shadow: 0 0 0 4px rgba(185,134,59,0.18), var(--shadow); }
}
.board-prompt strong { display: block; font-family: "Spectral", serif; }
.board-prompt__pulse {
  width: 14px; height: 14px; border-radius: 50%; background: var(--accent-2); flex: none;
  box-shadow: 0 0 0 0 rgba(185,134,59,0.6); animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(185,134,59,0.6); }
  70% { box-shadow: 0 0 0 12px rgba(185,134,59,0); }
  100% { box-shadow: 0 0 0 0 rgba(185,134,59,0); }
}
.board-prompt button { margin-left: auto; flex: none; }

/* ---------- wing / facts ---------- */
.wing-head { margin-bottom: 22px; }
.facts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }

.fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
  position: relative;
  transition: transform 150ms ease, border-color 200ms ease;
}
.fact:hover { transform: translateY(-2px); }
.fact.is-collected { border-color: var(--good); }
.fact.is-collected::after {
  content: "✓ collected"; position: absolute; top: 12px; right: 14px;
  font-size: 0.72rem; color: var(--good); font-variant: small-caps; letter-spacing: 0.5px;
}
.fact__title { font-family: "Spectral", serif; font-size: 1.18rem; margin: 0 0 0.4em; padding-right: 70px; }
.fact__claim { font-size: 1rem; }
.fact__detail { font-size: 0.92rem; color: var(--ink-soft); margin-top: 0.7em; display: none; }
.fact.is-open .fact__detail { display: block; animation: rise 280ms ease both; }
.fact__cite { font-size: 0.78rem; color: var(--ink-soft); font-style: italic; margin-top: 0.8em; display: none; }
.fact.is-open .fact__cite { display: block; }
.fact__grants { margin-top: 0.8em; display: none; flex-wrap: wrap; gap: 6px; }
.fact.is-open .fact__grants { display: flex; }

.chip {
  display: inline-block; font-size: 0.8rem; background: var(--parchment-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.15em 0.7em; color: var(--ink);
}
.chip--entity { background: #efe1bf; border-color: var(--accent-2); }

/* ---------- board ---------- */
.board-head { margin-bottom: 22px; }
.board-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.board-sentence { font-size: 1.4rem; line-height: 2.2; }
.slot {
  display: inline-block;
  font-family: "EB Garamond", serif; font-size: 1.05rem;
  border: 1px dashed var(--accent); border-radius: 8px;
  background: #fff8e9; color: var(--accent);
  padding: 0.1em 0.5em; margin: 0 2px; cursor: pointer;
  min-width: 120px; text-align: center;
}
.slot select { font: inherit; color: inherit; background: transparent; border: none; cursor: pointer; outline: none; }
.slot.is-filled { border-style: solid; background: #efe1bf; }
.board-actions { margin-top: 26px; display: flex; gap: 12px; align-items: center; }
.board-feedback { margin-top: 18px; min-height: 1.4em; font-size: 1.05rem; }
.board-feedback.is-bad { color: var(--bad); }
.board-feedback.is-good { color: var(--good); }
.shake { animation: shake 420ms ease; }
@keyframes shake { 10%,90%{transform:translateX(-2px)} 30%,70%{transform:translateX(4px)} 50%{transform:translateX(-6px)} }

.hint-stack { margin-top: 16px; display: grid; gap: 10px; }
.hint {
  background: var(--parchment-2); border-left: 3px solid var(--accent-2);
  padding: 12px 16px; border-radius: 0 8px 8px 0; font-size: 0.98rem; animation: rise 280ms ease both;
}
.hint b { font-variant: small-caps; color: var(--accent); }

/* ---------- reveal ---------- */
.screen--reveal { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.reveal-inner { max-width: 660px; }
.reveal-kicker { font-variant: small-caps; letter-spacing: 3px; color: var(--accent-2); }
.reveal-title { font-size: 2.6rem; margin: 0.1em 0 0.5em; }
.reveal-headline { font-size: 1.3rem; font-style: italic; color: var(--accent); }
.reveal-body { font-size: 1.06rem; text-align: left; margin: 1.4em 0; }
.reveal-wall {
  font-family: "Spectral", serif; font-size: 1.15rem; color: var(--ink);
  background: linear-gradient(100deg, #fff7e6, #f0e0bd);
  border: 1px solid var(--accent-2); border-radius: var(--radius);
  padding: 18px 22px; margin: 1.2em 0; box-shadow: var(--shadow);
}
.reveal-cites { text-align: left; margin: 1em 0; font-size: 0.9rem; }
.reveal-cites summary { cursor: pointer; color: var(--accent); }
.reveal-cites ul { color: var(--ink-soft); }
.reveal-progress { font-variant: small-caps; letter-spacing: 1px; color: var(--ink-soft); margin: 1.2em 0; }

/* ---------- notebook ---------- */
.notebook-tab {
  position: fixed; right: 0; top: 40%; transform: translateY(-50%);
  background: var(--accent); color: #fbf2e2; border: none;
  border-radius: 12px 0 0 12px; padding: 14px 12px; cursor: pointer;
  writing-mode: vertical-rl; font-family: "Spectral", serif; font-size: 1rem; letter-spacing: 2px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px;
}
.notebook-tab__count {
  writing-mode: horizontal-tb; background: var(--accent-2); color: var(--ink);
  border-radius: 999px; padding: 0 8px; font-size: 0.8rem; font-family: "EB Garamond", serif;
}
.notebook {
  position: fixed; top: 0; right: 0; height: 100%; width: min(380px, 92vw);
  background: var(--parchment); border-left: 1px solid var(--line);
  box-shadow: -12px 0 40px rgba(43,36,25,0.2); padding: 22px; overflow-y: auto; z-index: 30;
  animation: slideIn 260ms ease both;
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: none; } }
.notebook-head { display: flex; justify-content: space-between; align-items: baseline; }
.notebook-head h3 { font-size: 1.5rem; margin: 0; }
.notebook-hint { font-size: 0.85rem; }
.nb-section-title { font-variant: small-caps; letter-spacing: 1px; color: var(--accent); margin: 18px 0 8px; border-bottom: 1px solid var(--line); }
.nb-fact { font-size: 0.92rem; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.nb-fact b { font-family: "Spectral", serif; }
.nb-entities { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.nb-empty { color: var(--ink-soft); font-style: italic; }

@media (max-width: 680px) {
  body { font-size: 17px; }
  .quad { grid-template-columns: 1fr; }
  .title-name { font-size: 3rem; }
  .board-sentence { font-size: 1.15rem; line-height: 2; }
  .board-prompt { flex-wrap: wrap; }
  .board-prompt button { margin-left: 0; }
}