/* ===== 个性讲解 ===== */
#tab-personalized {
  padding: 16px;
  color: var(--text);
}

.pe-empty,
.pe-loading {
  text-align: center;
  padding: 48px 20px;
  color: var(--sub-text);
  font-size: 15px;
  line-height: 1.8;
}

.pe-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pe-type-group {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pe-type-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(102, 126, 234, 0.12);
  border-bottom: 1px solid var(--border);
}

.pe-type-icon {
  font-size: 20px;
}

.pe-type-title {
  flex: 1;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.pe-more-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
}

.pe-more-btn:hover {
  background: var(--accent-grad);
  color: #fff;
  border-color: transparent;
}

.pe-passage {
  padding: 14px 16px;
  line-height: 1.8;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  white-space: pre-wrap;
}

.pe-questions {
  padding: 12px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pe-question {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.pe-q-head {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  line-height: 1.7;
}

.pe-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.pe-stem {
  color: var(--text);
  font-size: 15px;
}

.pe-blank-slot {
  display: inline-block;
  min-width: 56px;
  text-align: center;
  border-bottom: 1px solid var(--sub-text);
  color: var(--accent);
  margin: 0 2px;
}

.pe-q-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pe-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pe-option {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  font-size: 14px;
  line-height: 1.5;
}

.pe-option:hover {
  background: rgba(102, 126, 234, 0.14);
  border-color: var(--accent);
}

.pe-option.pe-selected {
  background: var(--accent-grad);
  color: #fff;
  border-color: transparent;
}

.pe-input,
.pe-textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
}

.pe-input::placeholder,
.pe-textarea::placeholder {
  color: var(--faint-text);
}

.pe-textarea {
  min-height: 80px;
  resize: vertical;
  line-height: 1.6;
}

.pe-check-btn {
  align-self: flex-start;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent-grad);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(102, 126, 234, .28);
  transition: filter .15s;
}

.pe-check-btn:hover {
  filter: brightness(1.08);
}

.pe-reorder-pool,
.pe-reorder-answer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-strong);
  min-height: 42px;
}

.pe-reorder-label {
  font-size: 13px;
  color: var(--sub-text);
  margin-right: 4px;
}

.pe-reorder-placeholder {
  color: var(--faint-text);
  font-size: 13px;
}

.pe-reorder-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(102, 126, 234, 0.18);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: transform .1s;
}

.pe-reorder-chip:hover {
  transform: translateY(-2px);
  filter: brightness(1.15);
}

.pe-reorder-ans {
  background: rgba(76, 175, 114, 0.22);
}

.pe-reorder-actions {
  display: flex;
  gap: 10px;
}

.pe-small-btn {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.pe-small-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.pe-feedback {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.7;
}

.pe-feedback.pe-correct {
  background: rgba(76, 175, 114, 0.12);
  border: 1px solid rgba(76, 175, 114, 0.35);
}

.pe-feedback.pe-wrong {
  background: rgba(224, 80, 80, 0.12);
  border: 1px solid rgba(224, 80, 80, 0.35);
}

.pe-fb-title {
  font-weight: 700;
  margin-bottom: 6px;
}

.pe-correct .pe-fb-title {
  color: var(--success, #4caf72);
}

.pe-wrong .pe-fb-title {
  color: var(--error, #e05050);
}

.pe-fb-answer,
.pe-fb-exp {
  margin-top: 6px;
}

.pe-fb-exp {
  color: var(--sub-text);
}

.pe-unsupported,
.pe-no-options {
  color: var(--sub-text);
  font-size: 13px;
  padding: 8px 0;
}