.mysteries {
  --mystery-ink: #18363b;
  --mystery-muted: #425e61;
  --mystery-accent: #16665f;
  --mystery-line: #cce2db;
  --mystery-tint: #edf8f3;
  color: var(--mystery-ink);
  font-size: 1.125rem;
  line-height: 1.75;
  padding-bottom: 2rem;
}
.mysteries h1, .mysteries h2, .mysteries h3 { line-height: 1.25; margin: 0; }
.mysteries h1 { font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: -.03em; }
.mysteries h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); }
.mysteries h3 { font-size: 1.3rem; }
.mysteries p { margin: .65rem 0 0; }
.mysteries a { color: var(--mystery-accent); }
.mysteries :focus-visible { outline: 3px solid #286965; outline-offset: 4px; }
.mysteries [id] { scroll-margin-top: 1.25rem; }

.mystery-back { display: inline-block; font-weight: 700; margin: 0 0 .9rem; }
.mystery-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.4rem, 4.6vw, 3.6rem);
  border-radius: 2rem;
  border: 1px solid var(--mystery-line);
  background: radial-gradient(ellipse at right top, #fff2ce, transparent 55%), linear-gradient(120deg, #e0f5ea, #f1f9f8);
}
.mystery-directory-hero { padding-block: clamp(1.4rem, 3vw, 2.25rem); }
.mystery-directory-hero h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); }
.mysteries .mystery-kicker {
  margin: 0 0 .35rem;
  color: var(--mystery-accent);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.mystery-lead { max-width: 40rem; color: var(--mystery-muted); }
.mystery-emblem { display: block; width: clamp(6rem, 17vw, 11.25rem); height: auto; }
.mystery-steps, .mystery-jumps, .mystery-next {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem .85rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.mystery-steps li, .mystery-jumps a, .mystery-next a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: #fff;
  border: 1px solid var(--mystery-line);
  border-radius: 1.2rem;
  padding: .35rem .75rem;
  font-size: .95rem;
  font-weight: 700;
}
.mystery-steps li span, .mystery-choice-number {
  display: inline-grid;
  place-items: center;
  background: #d9eee7;
  border-radius: 50%;
  width: 1.6rem;
  height: 1.6rem;
  font-size: .9rem;
  font-weight: 800;
}

.mystery-section { margin-top: clamp(1.5rem, 4vw, 3rem); }
.mystery-section-heading { margin-bottom: 1rem; }
.mystery-section-heading > p { color: var(--mystery-muted); }
.mystery-group { margin-top: clamp(1.5rem, 3vw, 2.25rem); }
.mystery-group h3 { margin-bottom: .85rem; }
.mystery-case-list, .mystery-evidence-list, .mystery-findings {
  display: grid;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.mystery-case-list { grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); }
.mysteries .mystery-case-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--mystery-ink);
  border-radius: 1.4rem;
  border: 1px solid var(--mystery-line);
  background: #fff;
  overflow: hidden;
  text-decoration: none;
}
.mysteries .mystery-case-card:hover { border-color: var(--mystery-accent); background: var(--mystery-tint); }
.mystery-card-image {
  width: 100%;
  height: clamp(8.5rem, 13vw, 11rem);
  object-fit: contain;
  background: var(--mystery-tint);
  border-bottom: 1px solid var(--mystery-line);
}
.mystery-card-copy { display: flex; flex: 1; flex-direction: column; gap: .35rem; padding: 1rem 1.15rem; }
.mystery-card-copy strong { font-size: 1.3rem; line-height: 1.35; }
.mystery-card-copy > span { color: var(--mystery-muted); }
.mystery-card-copy .mystery-card-question {
  margin-block: .4rem .65rem;
  padding: .6rem .75rem;
  border-radius: .7rem;
  background: #fff4d9;
  color: #664414;
  line-height: 1.55;
}
.mystery-card-question b { display: block; margin-bottom: .15rem; font-size: .85rem; }
.mystery-card-copy .mystery-card-action { margin-top: auto; font-size: .95rem; font-weight: 800; color: var(--mystery-accent); }

.mystery-questions {
  padding: clamp(1.15rem, 2.7vw, 2rem);
  border: 1px solid #ebcb8c;
  border-radius: 1.4rem;
  background: #fff8e8;
}
.mystery-question-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.mystery-question-list li { display: flex; flex-direction: column; align-items: flex-start; gap: .5rem; padding: 1.1rem; border-radius: .9rem; background: #fff; }
.mystery-question-list h3 { font-size: 1.2rem; }
.mystery-question-list h3 span { color: #a06410; }
.mystery-question-list p { margin: 0 0 .3rem; }
.mystery-question-list strong { display: block; color: #805316; font-size: .9rem; }
.mystery-question-trail { font-size: 1rem; color: var(--mystery-muted); }

.mystery-case-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.mystery-case-hero h1 { font-size: clamp(2rem, 3.8vw, 2.8rem); text-wrap: balance; }
.mystery-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--mystery-line);
  border-radius: 1.2rem;
  background: #fff;
}
.mystery-figure img {
  display: block;
  width: 100%;
  height: clamp(15rem, 31vw, 24rem);
  object-fit: contain;
  background: #edf5f1;
}
.mystery-figure figcaption { padding: .75rem 1rem; font-size: .95rem; line-height: 1.5; }
.mystery-figure figcaption span { display: block; margin-top: .3rem; color: var(--mystery-muted); }
.mystery-clue-figure { width: 100%; margin-top: .35rem; }
.mystery-clue-figure img { height: clamp(9rem, 19vw, 14rem); }
.mystery-clue-figure figcaption { padding: .65rem .8rem; }
.mystery-clue-figure a { text-decoration: underline; text-underline-offset: .15em; }
.mystery-figure-detail { display: block; max-width: 100%; height: auto; margin-top: .8rem; border-radius: .75rem; }
.mystery-evidence-list, .mystery-findings { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mystery-panel {
  background: #fff;
  border: 1px solid var(--mystery-line);
  border-radius: 1.2rem;
  padding: clamp(1rem, 2.4vw, 1.65rem);
}
.mystery-evidence { display: flex; flex-direction: column; align-items: flex-start; gap: .4rem; }
.mystery-number { color: var(--mystery-accent); font-weight: 800; font-variant-numeric: tabular-nums; }
.mystery-evidence dl { margin: 0 0 .5rem; }
.mystery-evidence dt { font-weight: 800; color: var(--mystery-accent); font-size: .9rem; margin-top: .6rem; }
.mystery-evidence dd, .mystery-findings dd { margin: .2rem 0 0; }
.mystery-source-link { margin-top: auto; font-size: .9rem; }

.mystery-media-list { display: grid; gap: 1rem; }
.mystery-media {
  display: grid;
  grid-template-columns: minmax(0, min(56%, 37rem)) minmax(0, 1fr);
  align-items: start;
  gap: clamp(.9rem, 2.5vw, 2rem);
  margin: 0;
}
.mystery-media-visual {
  min-width: 0;
  border-radius: .85rem;
  overflow: hidden;
  background: #142733;
}
.mystery-media-visual video, .mystery-media-visual img { display: block; width: 100%; height: auto; }
.mystery-media-visual video { aspect-ratio: 16 / 9; object-fit: contain; }
.mystery-media-visual audio { display: block; width: 100%; margin-block: .75rem; }
.mystery-media-copy { max-width: 36rem; }
.mysteries .mystery-media-credit { color: var(--mystery-muted); font-size: .9rem; overflow-wrap: anywhere; }
.mystery-media-credit a { text-decoration: underline; text-underline-offset: .15em; }
.mystery-media-button {
  border: 1px solid var(--mystery-line);
  border-radius: .75rem;
  padding: .45rem .8rem;
  color: var(--mystery-accent);
  background: var(--mystery-tint);
  font-size: .95rem;
  font-weight: 750;
}
.mystery-media-button:hover { border-color: var(--mystery-accent); }
.mystery-media-button[aria-pressed="true"] { color: #fff; background: var(--mystery-accent); }
.mystery-media-button[data-animation-toggle] { margin-top: .75rem; }
.mystery-diagram-buttons:not([hidden]) { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.mysteries .mystery-diagram-note { padding: .65rem .85rem; border-radius: .75rem; background: var(--mystery-tint); }
.mystery-diagram-image { position: relative; }
.mystery-diagram-pin {
  position: absolute;
  display: grid;
  place-items: center;
  width: clamp(1.4rem, 2.5vw, 2rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 1px 5px #142733aa;
  background: #1d474f;
  color: #fff;
  font-size: .8rem;
  font-weight: 800;
}
.mystery-diagram-pin[data-current] { z-index: 1; color: #432f17; background: #ffce72; outline: 3px solid #432f17; }

.mystery-challenge { background: var(--mystery-tint); }
.mystery-instruction { font-size: .95rem; color: var(--mystery-muted); }
.mystery-choice { background: #fff; border: 1px solid var(--mystery-line); border-radius: .9rem; margin-top: .6rem; }
.mystery-choice[open] { border-color: var(--mystery-accent); }
.mystery-choice summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  padding: .7rem 1rem;
  border-radius: inherit;
  font-weight: 700;
  cursor: pointer;
}
.mystery-choice summary::-webkit-details-marker { display: none; }
.mystery-choice summary::after { content: '+'; color: var(--mystery-accent); font-size: 1.35rem; }
.mystery-choice[open] summary::after { content: '−'; }
.mystery-choice summary:hover { background: #f5fbf8; }
.mystery-feedback { background: #fff4d9; border-radius: .65rem; padding: .7rem 1rem; margin: 0 .75rem .75rem; }
.mystery-feedback-correct { background: #e0f3e5; }
.mystery-feedback p { margin: .25rem 0 0; }
.mystery-findings > div { background: var(--mystery-tint); padding: 1rem; border-radius: 1rem; }
.mystery-findings > div:nth-child(2) { background: #fff3db; }
.mystery-findings > div:nth-child(3) { background: #eaf2ff; }
.mystery-findings dt { font-weight: 800; }
.mystery-expand { margin-top: 1rem; }
.mystery-expand summary { cursor: pointer; font-weight: 800; }
.mystery-sources li:target { background: #fff1cd; }
.mystery-sources ol { margin: .65rem 0 0; padding-left: 1.65rem; }
.mystery-sources a { overflow-wrap: anywhere; }

@media (max-width: 58rem) {
  .mystery-case-hero, .mystery-media { grid-template-columns: minmax(0, 1fr); }
  .mystery-evidence-list { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 40rem) {
  .mystery-banner, .mystery-findings, .mystery-question-list { grid-template-columns: minmax(0, 1fr); }
  .mystery-emblem { display: none; }
}