.week-layout,
.week-main {
  position: relative;
}

.week-dot-item,
.wpb-day {
  cursor: pointer;
}

.week-dot-item.is-active .wdot,
.wpb-day.is-active {
  background: var(--gradient-button);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow-blue);
}

.week-dot-item.is-active .wdot-label {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
}

.tab-hidden {
  display: none !important;
}

.tab-panel {
  animation: fadeUp 0.24s ease;
}

.week-layout::before,
.week-main::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 -40px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(23, 23, 23, 0.08), transparent);
}

.accordion-item.integration .accordion-header {
  background: linear-gradient(135deg, rgba(255,243,200,0.88), rgba(255,255,255,0.88));
}

.study-content-wrapper h3,
.study-content h3,
.study-tab-section > h3 {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23,23,23,0.08);
}

.study-content-wrapper blockquote,
.study-content blockquote {
  background: var(--surface-blue, #eaf0ff);
  border: 1px solid rgba(111, 131, 247, 0.14);
}

.assignment-content ol {
  list-style: none;
  padding-left: 0;
  margin: 18px 0 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.assignment-content ol li {
  position: relative;
  display: block;
  padding-left: 52px;
  min-height: 30px;
  line-height: 1.75;
}

.assignment-content ol li::before {
  content: counter(list-item);
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--surface-peach, #fff1e8);
  color: #a85d36;
  font-size: 12px;
  font-weight: var(--font-semibold);
  position: absolute;
  left: 0;
  top: 2px;
}

.practice-phase,
.scale-card,
.emotion-card {
  background: var(--bg-surface-muted);
  border: var(--border-card);
  border-radius: 22px;
  padding: 20px;
}

.scale-cards,
.emotion-grid {
  display: grid;
  gap: 16px;
}

.scale-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.emotion-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.formula-inline {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-yellow, #fff8dc);
  color: #8e6d12;
}

.integration-completion-card {
  padding: 40px 36px;
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(255,255,255,0.94), rgba(255,255,255,0.76));
  border: var(--border-card);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.integration-completion-card h3 {
  margin: 8px 0 12px;
}

.integration-completion-card p {
  max-width: 620px;
  margin: 0 auto 22px;
}

@media (min-width: 1100px) {
  .accordion-item.open {
    overflow: visible;
  }

  .accordion-item.open .accordion-body {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.92fr);
    align-items: start;
    column-gap: 24px;
    row-gap: 0;
    overflow: visible;
  }

  .accordion-item.open .block-big-idea,
  .accordion-item.open .big-idea-block,
  .accordion-item.open .block-study,
  .accordion-item.open .study-block,
  .accordion-item.open .formula-card,
  .accordion-item.open .scale-cards,
  .accordion-item.open .emotion-grid,
  .accordion-item.open .integration-completion-card {
    grid-column: 1;
  }

  .accordion-item.open .accordion-sidebar {
    grid-column: 2;
    align-self: start;
    position: sticky;
    top: calc(var(--header-height) + 20px);
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .accordion-item.open .accordion-sidebar > * {
    margin: 0;
  }
}

@media (max-width: 1024px) {
  .week-layout::before,
  .week-main::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .scale-cards,
  .emotion-grid {
    grid-template-columns: 1fr;
  }

  .week-main {
    padding-bottom: 120px;
  }
}