:root {
  --tutorial-cleanroom-release: "20260726-tutorial-cleanroom-os-1990";
}

[data-tutorial-cleanroom-hidden][hidden] {
  display: none !important;
}

.tutorial-cleanroom-shortcut,
.tutorial-cleanroom-guide {
  box-sizing: border-box;
}

.tutorial-cleanroom-shortcut {
  width: min(1120px, calc(100% - 32px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin: 6px auto 10px;
  padding: 8px;
  border: 1px solid rgba(226, 94, 153, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 248, 252, 0.96), rgba(255, 247, 231, 0.9));
  color: var(--ink, #271420);
  box-shadow: 0 10px 24px rgba(102, 42, 74, 0.06);
}

.tutorial-cleanroom-shortcut-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.tutorial-cleanroom-shortcut-copy span,
.tutorial-cleanroom-guide-head > span {
  color: #b97a23;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tutorial-cleanroom-shortcut-copy strong {
  color: var(--ink, #271420);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.18;
}

.tutorial-cleanroom-shortcut-copy p {
  max-width: 620px;
  margin: 0;
  color: var(--muted, #755f6a);
  font-size: 12px;
  line-height: 1.32;
}

.tutorial-cleanroom-shortcut > a,
.tutorial-cleanroom-primary,
.tutorial-cleanroom-lessons details a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid rgba(230, 95, 154, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 104, 167, 0.2), rgba(238, 185, 86, 0.2));
  color: var(--ink, #271420);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.1;
  text-decoration: none;
  white-space: nowrap;
}

.tutorial-cleanroom-shortcut > a {
  padding: 7px 11px;
}

.tutorial-cleanroom-shortcut svg,
.tutorial-cleanroom-primary svg,
.tutorial-cleanroom-lessons svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.tutorial-cleanroom-guide {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid rgba(210, 151, 75, 0.22);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(255, 249, 253, 0.97), rgba(255, 252, 245, 0.9));
  box-shadow: 0 16px 32px rgba(102, 42, 74, 0.06);
}

.tutorial-cleanroom-guide-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.tutorial-cleanroom-guide-head h2 {
  margin: 0;
  color: var(--ink, #271420);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 520;
  letter-spacing: 0;
  line-height: 1.1;
}

.tutorial-cleanroom-guide-head p {
  max-width: 760px;
  margin: 4px 0 0;
  color: var(--muted, #755f6a);
  font-size: 14px;
  line-height: 1.44;
}

.tutorial-cleanroom-primary {
  padding: 8px 11px;
}

.tutorial-cleanroom-lessons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.tutorial-cleanroom-lessons details {
  min-width: 0;
  border: 1px solid rgba(230, 95, 154, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  overflow: hidden;
}

.tutorial-cleanroom-lessons summary {
  min-height: 48px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 11px 12px;
  cursor: pointer;
  list-style: none;
  color: var(--ink, #271420);
  font-size: 14px;
  font-weight: 500;
}

.tutorial-cleanroom-lessons summary::-webkit-details-marker {
  display: none;
}

.tutorial-cleanroom-lessons summary small {
  color: #b97a23;
  font-size: 11px;
  font-weight: 500;
}

.tutorial-cleanroom-lessons details p {
  margin: 0;
  padding: 0 12px 9px 37px;
  color: var(--muted, #755f6a);
  font-size: 13px;
  line-height: 1.42;
}

.tutorial-cleanroom-lessons details a {
  width: fit-content;
  margin: 0 12px 12px 37px;
  padding: 7px 10px;
}

body[data-theme="dark"] .tutorial-cleanroom-shortcut,
body[data-theme="dark"] .tutorial-cleanroom-guide,
body[data-theme="dark"] .tutorial-cleanroom-lessons details {
  border-color: rgba(255, 132, 186, 0.2);
  background: rgba(43, 15, 34, 0.94);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
}

body[data-theme="dark"] .tutorial-cleanroom-shortcut-copy strong,
body[data-theme="dark"] .tutorial-cleanroom-guide-head h2,
body[data-theme="dark"] .tutorial-cleanroom-lessons summary {
  color: #fff5fa;
}

body[data-theme="dark"] .tutorial-cleanroom-shortcut-copy p,
body[data-theme="dark"] .tutorial-cleanroom-guide-head p,
body[data-theme="dark"] .tutorial-cleanroom-lessons details p {
  color: #e8cbd8;
}

body[data-theme="dark"] .tutorial-cleanroom-shortcut > a,
body[data-theme="dark"] .tutorial-cleanroom-primary,
body[data-theme="dark"] .tutorial-cleanroom-lessons details a {
  color: #fff5fa;
  background: linear-gradient(135deg, rgba(255, 104, 167, 0.24), rgba(238, 185, 86, 0.14));
}

@media (max-width: 760px) {
  .tutorial-cleanroom-shortcut,
  .tutorial-cleanroom-guide {
    width: calc(100% - 24px);
    margin-left: auto;
    margin-right: auto;
  }

  .tutorial-cleanroom-shortcut {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .tutorial-cleanroom-shortcut-copy p {
    display: none;
  }

  .tutorial-cleanroom-shortcut-copy strong {
    font-size: 13px;
  }

  .tutorial-cleanroom-shortcut > a {
    min-width: 42px;
    padding: 8px;
  }

  .tutorial-cleanroom-shortcut > a span {
    display: none;
  }

  .tutorial-cleanroom-guide-head {
    grid-template-columns: 1fr;
  }

  .tutorial-cleanroom-primary {
    width: 100%;
  }

  .tutorial-cleanroom-lessons {
    grid-template-columns: 1fr;
  }

  .tutorial-cleanroom-lessons summary {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .tutorial-cleanroom-lessons summary small {
    display: none;
  }

  .tutorial-cleanroom-lessons details p,
  .tutorial-cleanroom-lessons details a {
    margin-left: 12px;
    padding-left: 0;
  }
}