/* Learn screen */
.learn-app {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
  background: var(--bg);
}

.learn-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.learn-header h1 {
  margin: 0;
  font-family: 'Noto Serif KR', serif;
  font-size: 1.3rem;
  flex: 1;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.session-badge {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.hidden { display: none !important; }

.learn-sidebar {
  padding: 20px;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  max-height: calc(100vh - 60px);
}

.learn-main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 60px);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--muted);
}

.panel label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.panel select,
.panel input[type="number"] {
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-block { width: 100%; margin-top: 8px; }

.reference-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  flex: 1;
  box-shadow: var(--shadow);
}

.ref-title h2 {
  margin: 8px 0 0;
  font-family: 'Noto Serif KR', serif;
  font-size: 1.4rem;
}

.translation-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
}

.verse-list {
  margin-top: 20px;
  line-height: 1.9;
  font-family: 'Noto Serif KR', serif;
  font-size: 1.05rem;
}

.verse-line {
  margin: 0 0 12px;
}

.verse-line sup {
  color: var(--accent);
  margin-right: 6px;
  font-size: 0.75rem;
}

.copy-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.copy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.copy-header h2 {
  margin: 0;
  font-size: 1rem;
}

.copy-stats {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

#copyTextarea {
  width: 100%;
  min-height: 140px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: 'Noto Serif KR', serif;
  font-size: 1rem;
  line-height: 1.8;
  resize: vertical;
}

.copy-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.status-message {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--ok);
}

.placeholder, .muted { color: var(--muted); }

.curated-list, .session-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.curated-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font: inherit;
}

.curated-item strong { display: block; }
.curated-item span { color: var(--muted); font-size: 0.85rem; }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
  text-decoration: underline;
}

.today-plan strong { display: block; margin-bottom: 4px; }

@media (max-width: 900px) {
  .learn-app { grid-template-columns: 1fr; }
  .learn-sidebar { max-height: none; border-right: none; border-bottom: 1px solid var(--border); }
}