/* ============================================
   ATM — Component Styles
   ============================================ */

/* ============================================
   Multi-Select (Chapters)
   ============================================ */

.multi-select-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  width: 100%;
  max-width: 100%;
}

.multi-select-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  min-height: 44px;
  flex-shrink: 0;
}

.multi-select-option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.multi-select-option.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-secondary);
}

.multi-select-option input[type="checkbox"] {
  display: none;
}

.multi-select-option .check-icon {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.multi-select-option.selected .check-icon {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.multi-select-option.selected .check-icon svg {
  color: var(--color-primary);
}

.multi-select-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.multi-select-count.error {
  color: var(--color-error);
}

/* Custom Multi-Select Dropdown */
.multi-select-dropdown {
  position: relative;
  width: 100%;
}

.multi-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 14px 16px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  min-height: 48px;
}

.multi-select-trigger:hover {
  border-color: var(--color-primary);
}

.multi-select-trigger:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.multi-select-dropdown.open .multi-select-trigger {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.multi-select-placeholder {
  color: var(--color-text-muted);
  flex: 1;
  text-align: left;
}

.multi-select-selected {
  flex: 1;
  text-align: left;
  color: var(--color-text);
  font-weight: 500;
}

.dropdown-arrow {
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.multi-select-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.multi-select-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  max-height: 300px;
  overflow-y: auto;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.multi-select-options {
  padding: var(--space-xs);
}

.multi-select-dropdown-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}

.multi-select-dropdown-option:hover {
  background: var(--color-bg);
}

.multi-select-dropdown-option.selected {
  background: var(--color-primary-lighter);
}

.multi-select-dropdown-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  width: 0;
  height: 0;
}

.multi-select-dropdown-option .checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.multi-select-dropdown-option .checkmark svg {
  width: 12px;
  height: 12px;
  color: transparent;
  transition: color var(--transition-fast);
}

.multi-select-dropdown-option.selected .checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.multi-select-dropdown-option.selected .checkmark svg {
  color: var(--color-secondary);
}

.multi-select-dropdown-option span:last-child {
  flex: 1;
  color: var(--color-text);
  font-size: var(--font-size-base);
}

/* ============================================
   Stepper / Number Input
   ============================================ */

.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 4px;
}

.stepper-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.stepper-btn:hover:not(:disabled) {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.stepper-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.stepper-btn svg {
  width: 20px;
  height: 20px;
}

.stepper-value {
  min-width: 60px;
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.stepper-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   Progress Bar
   ============================================ */

.progress-container {
  background: var(--color-bg);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.progress-text .current {
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================
   Question Renderer
   ============================================ */

.question-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-secondary);
  font-weight: 700;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.question-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
}

.question-text {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

.answer-area {
  margin-top: var(--space-lg);
}

/* MCQ Options */
.mcq-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.mcq-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg);
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 48px;
  width: 100%;
}

.mcq-option:hover {
  background: var(--color-primary-lighter);
  border-color: var(--color-primary-light);
}

.mcq-option.selected {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.mcq-option input[type="radio"] {
  display: none;
}

.option-indicator {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-weight: 600;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.mcq-option.selected .option-indicator {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-secondary);
}

.option-text {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.5;
  min-width: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Text Inputs for FIB/Short/Long */
.answer-input {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.answer-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.answer-input::placeholder {
  color: var(--color-text-muted);
}

textarea.answer-input {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

textarea.answer-input.long {
  min-height: 200px;
}

/* ============================================
   Upload Area
   ============================================ */

.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  text-align: center;
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  max-width: 100%;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.upload-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.upload-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.upload-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.upload-formats {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.format-badge {
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-white);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* File List */
.file-list {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-list:empty {
  display: none;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.file-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.file-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-secondary);
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.file-size {
  font-size: 11px;
  color: var(--color-text-muted);
}

.file-remove {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.file-remove:hover {
  background: var(--color-error-light);
  color: var(--color-error);
}

/* ============================================
   Score Display
   ============================================ */

.score-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-secondary);
}

.score-ring-container {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-lg);
}

.score-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.25);
  stroke-width: 10;
}

.score-ring-progress {
  fill: none;
  stroke: var(--color-white);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  transition: stroke-dashoffset 1s ease-out;
}

.score-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-white);
  border-radius: 50%;
  width: 100px;
  height: 100px;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.score-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.score-divider {
  width: 32px;
  height: 2px;
  background: var(--color-border);
  margin: 4px 0;
}

.score-total-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.score-circle {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.score-total {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.score-percentage {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.score-label {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

/* ============================================
   Results List
   ============================================ */

.results-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  max-width: 100%;
}

.result-item-wrapper {
  margin-bottom: var(--space-sm);
}

.result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.result-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.result-item:active {
  transform: translateY(0);
}

.result-expand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.result-expand-icon svg {
  width: 20px;
  height: 20px;
}

.result-status {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.result-status.correct {
  background: var(--color-success-light);
  color: var(--color-success);
}

.result-status.incorrect {
  background: var(--color-error-light);
  color: var(--color-error);
}

.result-status.partial {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.result-status svg {
  width: 20px;
  height: 20px;
}

.result-content {
  flex: 1;
  min-width: 0;
}

.result-question {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.result-detail {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.result-score {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.result-expandable {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  margin-top: var(--space-xs);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-expandable-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.result-full-question {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.result-full-question-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-full-question-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.5;
  white-space: normal;
}

.result-answer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-md);
}

.result-answer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.result-answer-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 100px;
}

.result-answer-value {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: right;
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.result-answer-value.correct {
  background: var(--color-success-light);
  color: var(--color-success);
}

.result-answer-value.incorrect {
  background: var(--color-error-light);
  color: var(--color-error);
}

.result-feedback-box {
  padding: var(--space-md);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.result-feedback-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-feedback-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================
   Feedback Card
   ============================================ */

.feedback-card {
  background: var(--color-accent-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-lg);
  border-left: 4px solid var(--color-accent);
}

.feedback-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.feedback-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.feedback-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.feedback-content {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feedback-content p {
  margin-bottom: var(--space-sm);
}

.feedback-content p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Instructions Panel
   ============================================ */

.instructions-panel {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 14px;
}

.instructions-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.instructions-title svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.instructions-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.instructions-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.instructions-list li:last-child {
  margin-bottom: 0;
}

.instructions-list .step-number {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================
   Empty State
   ============================================ */

.empty-state {
  text-align: center;
  padding: var(--space-2xl);
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-text-muted);
}

.empty-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.empty-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   Action Bar (fixed bottom)
   ============================================ */

.action-bar {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-md);
}

.action-bar .btn {
  flex: 1;
}

/* ============================================
   Navigation Buttons (for question taking)
   ============================================ */

.nav-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.nav-buttons .btn {
  flex: 1;
}

.nav-buttons .btn-prev {
  background: var(--color-bg);
  color: var(--color-text);
  border: none;
}

.nav-buttons .btn-prev:hover:not(:disabled) {
  background: var(--color-border);
}

/* ============================================
   Question Detail Modal
   ============================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  padding: 0;
  animation: fadeIn 0.2s ease-out;
  overflow: hidden;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  overflow-x: hidden;
  animation: slideUp 0.3s ease-out;
  -webkit-overflow-scrolling: touch;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.question-detail-modal {
  padding: var(--space-lg);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-right: 44px;
}

.modal-status {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-status.correct {
  background: var(--color-success-light);
  color: var(--color-success);
}

.modal-status.incorrect {
  background: var(--color-error-light);
  color: var(--color-error);
}

.modal-status.partial {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.modal-status svg {
  width: 24px;
  height: 24px;
}

.modal-question-num {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.question-text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.6;
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

.answer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.answer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.answer-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.answer-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.answer-value.correct {
  color: var(--color-success);
}

.answer-value.incorrect {
  color: var(--color-error);
}

.feedback-box {
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent);
}

.feedback-box-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.feedback-box-content {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================
   Voice Input UI
   ============================================ */

/* Voice Input Container */
.voice-input-container {
  position: absolute;
  bottom: 90px;
  right: 16px;
  z-index: 100;
}

.voice-input-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 10px 12px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #E5A636 100%);
  border: none;
  border-radius: 28px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(245, 182, 66, 0.4), 0 2px 4px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.voice-input-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 182, 66, 0.5), 0 4px 8px rgba(0,0,0,0.1);
}

.voice-input-btn:active {
  transform: translateY(0) scale(0.98);
}

.voice-btn-inner {
  position: relative;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-input-btn .mic-icon {
  color: var(--color-white);
  transition: all 0.2s ease;
}

.voice-btn-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Recording State */
.voice-input-btn.recording {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.voice-input-btn.recording .mic-icon {
  opacity: 0;
}

.voice-input-btn.recording .voice-btn-label {
  color: white;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4), 0 2px 4px rgba(0,0,0,0.1);
  }
  50% {
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.6), 0 4px 8px rgba(0,0,0,0.15);
  }
}

.recording-indicator {
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
}

.voice-input-btn.recording .recording-indicator {
  display: flex;
}

.pulse {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--color-white);
  border-radius: 50%;
  animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

.pulse-ring {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  animation: pulse-ring 1.2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* Voice Feedback Panel */
.voice-feedback {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
  z-index: 200;
  animation: slideUpVoice 0.3s ease-out;
  overflow: hidden;
  max-width: 100%;
}

@keyframes slideUpVoice {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.voice-feedback-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--color-border);
}

.voice-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: #EF4444;
  border-radius: 50%;
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.voice-feedback-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.voice-visualizer {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #FEF9E7 0%, #FFF8E1 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 48px;
}

.wave-bar {
  width: 4px;
  background: var(--color-primary);
  border-radius: 4px;
  animation: wave 1s ease-in-out infinite;
}

.wave-bar:nth-child(1) { animation-delay: 0s; height: 16px; }
.wave-bar:nth-child(2) { animation-delay: 0.1s; height: 24px; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; height: 32px; }
.wave-bar:nth-child(4) { animation-delay: 0.15s; height: 40px; }
.wave-bar:nth-child(5) { animation-delay: 0.25s; height: 32px; }
.wave-bar:nth-child(6) { animation-delay: 0.1s; height: 24px; }
.wave-bar:nth-child(7) { animation-delay: 0.05s; height: 16px; }

@keyframes wave {
  0%, 100% {
    transform: scaleY(0.5);
    opacity: 0.7;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

.voice-transcript {
  font-size: 15px;
  color: var(--color-text-secondary);
  text-align: center;
  margin: 0;
  min-height: 20px;
  font-style: italic;
}

.voice-feedback-actions {
  display: flex;
  gap: 12px;
  padding: 16px 20px 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  width: 100%;
  box-sizing: border-box;
}

.voice-cancel-btn,
.voice-done-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.voice-cancel-btn {
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.voice-cancel-btn:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.voice-done-btn {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.voice-done-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.voice-done-btn:active {
  transform: translateY(0);
}

/* Info Tooltips */
.info-tooltip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  border: none;
  cursor: help;
  margin-left: 6px;
  padding: 0;
  vertical-align: text-top;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.info-tooltip-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(245, 182, 66, 0.3);
}

.info-tooltip-btn:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.tooltip-popup {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: var(--color-white);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.4;
  width: 240px;
  max-width: calc(100vw - 32px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, bottom 0.2s ease;
  pointer-events: none;
  z-index: 1000;
  text-align: left;
}

.tooltip-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-text);
}

.info-tooltip-btn:hover .tooltip-popup,
.info-tooltip-btn:focus .tooltip-popup {
  opacity: 1;
  visibility: visible;
  bottom: calc(100% + 10px);
}