/* Container & Header */
.quizgroup-block {
  border: 1px solid #dcdfe6;
  border-radius: 8px;
  background-color: #ffffff;
  padding: 16px;
  margin: 20px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.quizgroup-header {
  border-bottom: 1px solid #e9ecef;
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.quizgroup-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quizgroup-progress-container {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  max-width: 300px;
}

.quizgroup-progress-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: #495057;
  white-space: nowrap;
}

.quizgroup-progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
}

.quizgroup-progress-bar-fill {
  height: 100%;
  background-color: #0d6efd;
  width: 0%;
  transition: width 0.3s ease;
}

.quizgroup-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quizgroup-score-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: #212529;
  background-color: #f1f3f5;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid #dee2e6;
}

/* Button Standardisation */
.quizgroup-action-bar button,
.quizgroup-nav-bar button,
.quizgroup-bottom-bar button,
.quizgroup-btn-toggle {
  height: 32px;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0 10px;
  margin: 0;
  box-sizing: border-box;
  vertical-align: middle;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.quizgroup-action-bar button:disabled,
.quizgroup-nav-bar button:disabled,
.quizgroup-bottom-bar button:disabled,
.quizgroup-btn-toggle:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.quizgroup-action-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.quizgroup-btn-start {
  background-color: #28a745;
  color: #ffffff;
  border: 1px solid #218838;
}

.quizgroup-btn-start:hover:not(:disabled) {
  background-color: #218838;
}

.quizgroup-btn-check {
  background-color: #0d6efd;
  color: #ffffff;
  border: 1px solid #0b5ed7;
}

.quizgroup-btn-check:hover:not(:disabled) {
  background-color: #0b5ed7;
}

.quizgroup-btn-reset {
  background-color: #6c757d;
  color: #ffffff;
  border: 1px solid #5c636a;
}

.quizgroup-btn-reset:hover:not(:disabled) {
  background-color: #5c636a;
}

.quizgroup-btn-toggle {
  background-color: #f8f9fa;
  color: #212529;
  border: 1px solid #ced4da;
}

/* Instant Feedback Control Styling */
.quizgroup-instant-feedback-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #495057;
  margin-left: 6px;
  cursor: pointer;
  user-select: none;
}

.quizgroup-instant-feedback-label input[type="checkbox"] {
  cursor: pointer;
  width: 15px;
  height: 15px;
}

/* Nav Bar */
.quizgroup-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  margin: 8px 0;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 4px;
}

.quizgroup-nav-left,
.quizgroup-nav-right {
  display: flex;
  gap: 4px;
  align-items: center;
}

.quizgroup-btn-first,
.quizgroup-btn-last {
  background-color: #ffffff;
  color: #495057;
  border: 1px solid #ced4da;
}

.quizgroup-btn-prev,
.quizgroup-btn-next {
  background-color: #ffda6a;
  color: #000000;
  border: 1px solid #ffc107;
  font-weight: 700;
}

.quizgroup-nav-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: #495057;
}

.quizgroup-bottom-bar {
  display: flex;
  justify-content: flex-end;
  padding: 4px 8px;
  margin-top: 12px;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 4px;
}

.quizgroup-btn-scroll-top {
  background-color: #ffffff;
  color: #212529;
  border: 1px solid #ced4da;
}

/* Hide Individual Action Panels Inside QuizGroup */
.quizgroup-block .cloze-global-panel,
.quizgroup-block .multichoice-control-panel,
.quizgroup-block .mcq-global-panel,
.quizgroup-block .gapfill-global-panel,
.quizgroup-block .classifying-controls,
.quizgroup-block .fillin-global-panel {
  display: none !important;
}

/* Ensure controls adopt disabled styles when locked */
.quizgroup-block .gapfill-dropdown:disabled,
.quizgroup-block .gapfill-input:disabled,
.quizgroup-block .classifying-dropdown:disabled,
.quizgroup-block .classifying-input:disabled,
.quizgroup-block .sorting-select:disabled,
.quizgroup-block .fillin-input:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  pointer-events: none;
  user-select: none;
}

/* Cloze dropzone locked state */
.quizgroup-block .cloze-dropzone.disabled {
  cursor: not-allowed;
  opacity: 0.6;
  pointer-events: none;
  background-color: #f8f9fa;
}

.quizgroup-question-header {
  display: none;
  font-size: 0.8rem;
  font-weight: 700;
  color: #0d6efd;
  background-color: #e7f1ff;
  border: 1px solid #b6d4fe;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quizgroup-block[data-view-mode="all"] .quizgroup-question-header {
  display: inline-block;
}

/* Validation Feedback Highlights */
.quizgroup-block .mcq-correct,
.quizgroup-block .option.correct {
  background-color: #d4edda !important;
  border-color: #c3e6cb !important;
}

.quizgroup-block .mcq-incorrect,
.quizgroup-block .option.incorrect {
  background-color: #f8d7da !important;
  border-color: #f5c6cb !important;
}

.quizgroup-block .text-correct {
  color: #155724 !important;
}

.quizgroup-block .text-incorrect {
  color: #721c24 !important;
}

/* Classifying Line Validation Feedback */
.quizgroup-block .classifying-line.correct-line {
  background-color: #d4edda !important;
  border-left: 4px solid #28a745;
}

.quizgroup-block .classifying-line.incorrect-line {
  background-color: #f8d7da !important;
  border-left: 4px solid #dc3545;
}