/* Isotopes & RAM — overrides on ch5-embed-base.css */
.isotope-ram-page #summary-panel.visible {
  display: block;
}

.isotope-ram-page #summary-panel h2 {
  margin-top: 0;
  color: #047857;
  font-size: 1.05rem;
  font-weight: 700;
}

.isotope-ram-page .question-box {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: var(--bg-color);
}

.isotope-ram-page .question-text {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.isotope-ram-page .interaction-area {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.isotope-ram-page .interaction-area input[type="number"] {
  width: 8.5rem;
  padding: 8px 12px;
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  background: #fff;
  font-size: 0.9rem;
}

.isotope-ram-page .interaction-area input[type="number"]:focus {
  outline: none;
  border-color: var(--text-secondary);
  box-shadow: 0 0 0 3px rgba(44, 36, 32, 0.08);
}

.isotope-ram-page .interaction-area button {
  padding: 8px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  background: var(--element-bg);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.isotope-ram-page .interaction-area button:hover {
  background: #fff;
  border-color: var(--text-secondary);
}

.isotope-ram-page .hint {
  color: #92400e;
  background: #fffbeb;
  padding: 8px 12px;
  border: 1px solid #fde68a;
  border-radius: 12px;
  margin-top: 0.65rem;
  display: none;
  font-size: 0.85rem;
  line-height: 1.5;
}

.isotope-ram-page .feedback {
  font-weight: 600;
  margin-top: 0.55rem;
  font-size: 0.85rem;
}

.isotope-ram-page #progress-line {
  margin: 0 0 1rem;
  padding: 8px 12px;
  background: var(--element-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.isotope-ram-page .answer-block {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.isotope-ram-page .answer-block h3 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.isotope-ram-page .answer-block .solution-body {
  font-size: 0.88rem;
  line-height: 1.55;
  margin-top: 0.5rem;
}

@media print {
  html,
  body {
    height: auto !important;
    overflow: visible !important;
  }

  .isotope-ram-page {
    padding: 0;
  }

  .isotope-ram-page .worksheet-controls,
  .isotope-ram-page .preview-header,
  .isotope-ram-page .practice-toolbar,
  .isotope-ram-page .interaction-area,
  .isotope-ram-page .hint,
  .isotope-ram-page .feedback,
  .isotope-ram-page #progress-line,
  .isotope-ram-page .summary-panel,
  .isotope-ram-page .session-analysis-panel,
  .isotope-ram-page #practiceView,
  .isotope-ram-page #previewPlaceholder {
    display: none !important;
  }

  .isotope-ram-page .worksheet-container {
    display: block;
  }

  .isotope-ram-page #printView:not([hidden]),
  .isotope-ram-page #answerView:not([hidden]) {
    display: block !important;
  }

  .isotope-ram-page .question-box,
  .isotope-ram-page .print-q {
    border: none;
    border-bottom: 1px dashed #ccc;
    background: #fff;
    page-break-inside: avoid;
    padding-bottom: 80px;
  }
}