.content-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.content-block h2 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.block-description {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0.9rem;
}

.block-body {
  display: grid;
  gap: 1rem;
}

.board-zone {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 0.5rem;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
}

.jxgbox {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #dae3da;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  padding: 0.5rem 0 0.1rem;
}

/* Current-values bar */
.inline-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.55rem 0.75rem;
  background: #f7f9f7;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.inline-values-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.25rem;
}

.value-chip {
  background: #e9f2f5;
  border: 1px solid #cbdee6;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.value-chip-angle {
  background: #f5f3ff;
  border-color: #ddd6fe;
  color: #5b21b6;
}

.value-chip-cos {
  background: #f0f9ff;
  border-color: #bae6fd;
  color: #0369a1;
}

.value-chip-sin {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #15803d;
}

.count-badge {
  margin-left: auto;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

/* Data table */
.values-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 0.93rem;
}

.values-table th,
.values-table td,
.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  text-align: center;
}

.values-table th,
.data-table th {
  background: #eef4eb;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.data-table th.col-cos { background: #dbeafe; color: #1d4ed8; }
.data-table th.col-sin { background: #dcfce7; color: #15803d; }

.data-table td.col-cos { background: #f0f9ff; color: #0c4a6e; }
.data-table td.col-sin { background: #f0fdf4; color: #14532d; }

.data-table tbody tr:nth-child(even) { background: #fafbfa; }
.data-table tbody tr:nth-child(even) td.col-cos { background: #e8f4fb; }
.data-table tbody tr:nth-child(even) td.col-sin { background: #e8fbf0; }

.data-table tbody tr:hover { background: #f0f5ef; }
.data-table tbody tr:hover td.col-cos { background: #ddf0fb; }
.data-table tbody tr:hover td.col-sin { background: #ddfaeb; }

.values-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.values-table th,
.values-table td,
.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.42rem 0.5rem;
  text-align: center;
}

.values-table th,
.data-table th {
  background: #eef4eb;
}

.quiz {
  display: grid;
  gap: 0.65rem;
}

.quiz-question {
  font-weight: 600;
}

.quiz-form {
  display: grid;
  gap: 0.48rem;
}

.quiz-option {
  display: block;
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
  background: #f8faf8;
  border: 1px solid #e4ebe1;
}

.quiz-result {
  margin: 0;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  font-weight: 600;
}

.quiz-result-ok {
  color: var(--ok);
  background: #e3f4ec;
}

.quiz-result-ko {
  color: var(--ko);
  background: #f9e4e4;
}

.quiz-result-neutral {
  color: var(--muted);
  background: #eef1f4;
}

.formula-list {
  margin: 0;
  padding-left: 1.2rem;
}

.formula-list li {
  margin: 0.4rem 0;
}

.angle-checkbox-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.45rem;
}

.angle-checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: #f0f6ee;
  border: 1px solid #d8e5d7;
  border-radius: 8px;
  padding: 0.35rem 0.45rem;
}

.blocks-root.cos-sin-split {
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.95fr);
  align-items: start;
}

.blocks-root.cos-sin-split .block-animation {
  grid-column: 1;
}

.blocks-root.cos-sin-split .block-table {
  grid-column: 2;
}

.blocks-root.cos-sin-split .block-quiz {
  grid-column: 1 / -1;
}

@media (max-width: 980px) {
  .blocks-root.cos-sin-split {
    grid-template-columns: 1fr;
  }

  .blocks-root.cos-sin-split .block-animation,
  .blocks-root.cos-sin-split .block-table,
  .blocks-root.cos-sin-split .block-quiz {
    grid-column: 1;
  }
}

.blocks-root.relations-split {
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.95fr);
  align-items: start;
}

.blocks-root.relations-split .block-animation {
  grid-column: 1;
  grid-row: 1;
}

.blocks-root.relations-split .block-controls {
  grid-column: 2;
  grid-row: 1;
}

.blocks-root.relations-split .block-formula {
  grid-column: 1 / -1;
  grid-row: 2;
}

@media (max-width: 980px) {
  .blocks-root.relations-split {
    grid-template-columns: 1fr;
  }

  .blocks-root.relations-split .block-animation,
  .blocks-root.relations-split .block-controls,
  .blocks-root.relations-split .block-formula {
    grid-column: 1;
    grid-row: auto;
  }
}