.wh-cover {
  margin: 16px 0 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
}

.wh-cover-art {
  height: 220px;
  background: linear-gradient(120deg, #0f172a, #1d4ed8, #93c5fd);
}

.wh-cover figcaption {
  padding: 10px 14px;
  font: 400 14px/1.5 Nunito, system-ui, sans-serif;
  color: #475569;
}

.wh-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 12px;
}

.wh-subtitle {
  font: 700 16px/1.3 Poppins, sans-serif;
  margin: 0 0 8px;
  color: #0f172a;
}

.wh-vocab {
  columns: 2;
  column-gap: 24px;
}

.wh-focus-tracker {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 18px;
  background: #f8fafc;
}

.wh-tracker-fallback {
  margin: 8px 0 0;
  font: 400 14px/1.6 Nunito, system-ui, sans-serif;
  color: #475569;
}

.wh-tracker-controls {
  margin-top: 12px;
  display: grid;
  gap: 12px;
}

.wh-tracker-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.wh-category-btn,
.wh-action-btn {
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #0f172a;
  padding: 8px 12px;
  font: 600 13px/1 Poppins, sans-serif;
  cursor: pointer;
}

.wh-action-btn {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.wh-tracker-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.wh-tracker-status {
  margin: 0;
  font: 400 13px/1.5 Nunito, system-ui, sans-serif;
  color: #1f2937;
}

.wh-tracker-entries {
  display: grid;
  gap: 12px;
}

.wh-empty {
  margin: 0;
  color: #64748b;
  font: 400 14px/1.5 Nunito, system-ui, sans-serif;
}

.wh-tracker-entry {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.wh-tracker-entry-header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.wh-entry-category {
  font: 700 14px/1.2 Poppins, sans-serif;
  color: #0f172a;
}

.wh-entry-time {
  font: 600 12px/1.2 Nunito, system-ui, sans-serif;
  color: #475569;
}

.wh-entry-input,
.wh-entry-note {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  padding: 8px 10px;
  font: 400 14px/1.4 Nunito, system-ui, sans-serif;
}

.wh-entry-note {
  min-height: 72px;
  resize: vertical;
}

.wh-entry-delete {
  border: 1px solid #fecaca;
  background: #fef2f2;
  color: #991b1b;
  border-radius: 8px;
  padding: 6px 10px;
  font: 600 12px/1 Poppins, sans-serif;
  cursor: pointer;
}

.wh-resume-card {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.wh-resume-note {
  margin: 0;
  font: 400 14px/1.5 Nunito, system-ui, sans-serif;
  color: #475569;
}

.wh-resume-code {
  font: 700 18px/1.2 Poppins, sans-serif;
  letter-spacing: 1px;
  color: #0f172a;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 10px 12px;
  text-align: center;
}

.wh-resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.wh-table table {
  width: 100%;
  border-collapse: collapse;
  font: 400 14px/1.5 Nunito, system-ui, sans-serif;
  color: #334155;
}

.wh-table th,
.wh-table td {
  border: 1px solid #e2e8f0;
  padding: 8px 10px;
  text-align: left;
}

.wh-quiz ul {
  list-style: lower-alpha;
  margin: 8px 0 0 18px;
}

.wh-answer-key {
  margin-top: 10px;
  font: 400 14px/1.6 Nunito, system-ui, sans-serif;
  color: #334155;
}

@media (max-width: 640px) {
  .wh-vocab {
    columns: 1;
  }
}