/**
 * Quiz Student Interface CSS
 * Styles for the student quiz interface
 */

/* Import Bootstrap variables and mixins if available */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap");

/* CSS Variables for consistent theming */
:root {
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #0dcaf0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition-speed: 0.3s;
}

/* Base Styles */
.quiz-list-container,
.quiz-take-container,
.student-info-container,
.quiz-results-container {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
}

/* Breadcrumb Styles */
.breadcrumb-container {
  background-color: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.breadcrumb-container .breadcrumb {
  background-color: transparent;
  padding: 1rem 0;
  margin-bottom: 0;
}

.breadcrumb-container .breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.breadcrumb-container .breadcrumb-item a:hover {
  color: #0056b3;
}

/* Quiz List Styles */
.quiz-list-container {
  padding: 2rem 0;
}

.filter-sidebar {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 1.5rem;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.filter-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light-color);
}

.category-list .form-check {
  margin-bottom: 0.5rem;
}

.category-list .form-check-label {
  cursor: pointer;
  padding-left: 0.5rem;
  transition: color var(--transition-speed);
}

.category-list .form-check-label:hover {
  color: var(--primary-color);
}

.recent-tests {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #e9ecef;
}

.recent-test-item {
  margin-bottom: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-speed);
}

.recent-test-item:hover {
  background-color: #f8f9fa;
}

.recent-test-title {
  font-weight: 500;
  color: var(--dark-color);
  margin-bottom: 0.25rem;
}

.quiz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.quiz-card-wrapper {
  transition: transform var(--transition-speed);
}

.quiz-card-wrapper:hover {
  transform: translateY(-5px);
}

.quiz-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: all var(--transition-speed);
  border: 1px solid #e9ecef;
}

.quiz-card:hover {
  box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.15);
  border-color: #dee2e6;
}

.quiz-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
}

.quiz-category {
  margin-bottom: 1rem;
}

.quiz-category .badge {
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
}

.quiz-actions {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.quiz-content {
  padding: 1.5rem;
}

.quiz-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.quiz-description {
  color: #6c757d;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.quiz-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #6c757d;
}

.quiz-footer {
  padding: 1.5rem;
  background-color: #f8f9fa;
  border-top: 1px solid #e9ecef;
}

.btn-start-test {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  transition: all var(--transition-speed);
}

.btn-start-test:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.empty-state {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 3rem;
  border: 1px solid #e9ecef;
}

.empty-icon {
  opacity: 0.5;
}

/* Quiz Take Styles */
.quiz-take-container {
  padding: 2rem 0;
}

.quiz-header {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  margin-bottom: 2rem;
}

.quiz-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.quiz-description {
  color: #6c757d;
  font-size: 1.1rem;
}

.quiz-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.quiz-meta .badge {
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
}

.quiz-controls {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  margin-bottom: 2rem;
}

.timer-box {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  align-items: center;
}

.timer-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timer-display {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: "Courier New", monospace;
  color: #d63384;
}

.time-warning .timer-display {
  color: #fd7e14;
  animation: pulse 1s infinite;
}

.time-critical .timer-display {
  color: #dc3545;
  animation: shake 0.5s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  50% {
    transform: translateX(2px);
  }
  75% {
    transform: translateX(-2px);
  }
  100% {
    transform: translateX(0);
  }
}

.progress-box {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 1rem;
}

.progress-label {
  font-weight: 600;
  color: var(--dark-color);
}

.progress-text {
  font-weight: 700;
  color: var(--primary-color);
}

.questions-container {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
  min-height: 400px;
}

.question-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid #e9ecef;
}

.question-header {
  margin-bottom: 2rem;
}

.question-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.question-actions {
  display: flex;
  gap: 0.5rem;
}

.question-body {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid #e9ecef;
}

.question-text {
  font-size: 1.1rem;
  color: var(--dark-color);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.options-container {
  display: grid;
  gap: 1rem;
}

.option-item {
  background: white;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition-speed);
  position: relative;
}

.option-item:hover {
  border-color: var(--primary-color);
  background-color: #f8f9ff;
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
  cursor: pointer;
}

.option-label {
  cursor: pointer;
  margin-left: 0.5rem;
  font-size: 1rem;
  color: var(--dark-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--light-color);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--dark-color);
  border: 1px solid #dee2e6;
}

.question-navigation {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid #e9ecef;
  margin-top: 2rem;
}

.sidebar {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 1.5rem;
  height: fit-content;
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light-color);
}

.question-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.question-item {
  text-align: center;
}

.question-btn {
  width: 100%;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  border: 1px solid #e9ecef;
  background: white;
  transition: all var(--transition-speed);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.question-btn:hover {
  background-color: #f8f9fa;
  border-color: var(--primary-color);
}

.question-number {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--dark-color);
}

.question-status i {
  font-size: 0.8rem;
}

.question-item.active .question-btn {
  background-color: #e3f2fd;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

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

.instructions-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e9ecef;
  color: #6c757d;
  position: relative;
  padding-left: 1.5rem;
}

.instructions-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: 700;
}

.quick-actions {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1rem;
  border: 1px solid #e9ecef;
}

/* Student Info Styles */
.student-info-container {
  padding: 2rem 0;
}

.quiz-info-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
}

.quiz-image {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--border-radius);
}

.quiz-image i {
  color: white;
  opacity: 0.9;
}

.quiz-details h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.quiz-meta {
  margin-top: 1.5rem;
}

.meta-item {
  text-align: center;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: var(--border-radius);
  border: 1px solid #e9ecef;
  transition: all var(--transition-speed);
}

.meta-item:hover {
  background-color: white;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.meta-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.meta-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6c757d;
}

.student-form-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  overflow: hidden;
}

.student-form-card .card-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1.5rem;
}

.student-form-card .card-body {
  padding: 2rem;
}

.form-label {
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.form-label i {
  color: var(--primary-color);
}

.form-control,
.form-select {
  border-radius: var(--border-radius);
  border: 2px solid #e9ecef;
  padding: 0.75rem;
  font-size: 1rem;
  transition: all var(--transition-speed);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  outline: none;
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

.form-control.is-valid {
  border-color: var(--success-color);
}

.invalid-feedback {
  display: none;
  color: var(--danger-color);
  font-size: 0.875rem;
}

.has-error .invalid-feedback {
  display: block;
}

.form-actions {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e9ecef;
}

.benefits-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
}

.benefit-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
}

.benefit-item:hover {
  background-color: #f8f9fa;
}

.benefit-item i {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.benefit-item h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-color);
}

.benefit-item p {
  color: #6c757d;
  margin-bottom: 0;
}

/* Results Styles */
.quiz-results-container {
  padding: 2rem 0;
}

.results-header {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
}

.result-icon {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.result-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.quiz-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.results-summary-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
}

.summary-item {
  text-align: center;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: var(--border-radius);
  border: 1px solid #e9ecef;
  transition: all var(--transition-speed);
}

.summary-item:hover {
  background-color: white;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.summary-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.summary-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6c757d;
  margin-bottom: 0.25rem;
}

.summary-sublabel {
  font-size: 0.8rem;
  color: #adb5bd;
}

.performance-chart-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 1.5rem;
  height: 100%;
}

.chart-container {
  height: 200px;
  position: relative;
}

.legend-value {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--dark-color);
}

.analysis-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
}

.nav-tabs {
  border-bottom: 2px solid #e9ecef;
  margin-bottom: 2rem;
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: #6c757d;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 0;
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: transparent;
}

.analysis-metric {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid #e9ecef;
  text-align: center;
  transition: all var(--transition-speed);
}

.analysis-metric:hover {
  background-color: white;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.analysis-metric h6 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6c757d;
  margin-bottom: 1rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.metric-desc {
  font-size: 0.8rem;
  color: #6c757d;
}

.difficulty-breakdown {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid #e9ecef;
}

.difficulty-item {
  margin-bottom: 1rem;
}

.difficulty-item:last-child {
  margin-bottom: 0;
}

.review-controls {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1rem;
  border: 1px solid #e9ecef;
  margin-bottom: 2rem;
}

.question-item {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-speed);
}

.question-item:hover {
  box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1);
}

.question-header {
  margin-bottom: 1.5rem;
}

.question-text {
  font-size: 1.1rem;
  color: var(--dark-color);
  line-height: 1.6;
}

.options-review {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid #e9ecef;
  margin-bottom: 1.5rem;
}

.option-review {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 0.5rem;
  transition: all var(--transition-speed);
}

.option-review.correct-option {
  border-color: var(--success-color);
  background-color: #d1e7dd;
}

.option-review.selected-option {
  border-color: var(--primary-color);
  background-color: #e3f2fd;
}

.option-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--light-color);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--dark-color);
  border: 1px solid #dee2e6;
}

.option-text {
  flex-grow: 1;
  color: var(--dark-color);
}

.option-indicators {
  display: flex;
  gap: 0.5rem;
}

.correct-answer,
.explanation {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-top: 1rem;
}

.correct-answer strong,
.explanation strong {
  color: #856404;
}

.next-steps-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 2rem;
}

.step-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
  margin-bottom: 1rem;
}

.step-item:hover {
  background-color: #f8f9fa;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #f8f9fa;
  border-radius: 50%;
  border: 1px solid #e9ecef;
}

.step-icon i {
  font-size: 1.2rem;
}

.step-item h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-color);
}

.step-item p {
  color: #6c757d;
  margin-bottom: 0;
}

.actions-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px solid #e9ecef;
  padding: 1.5rem;
  height: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
  .quiz-grid {
    grid-template-columns: 1fr;
  }

  .quiz-header {
    padding: 1rem;
  }

  .quiz-title {
    font-size: 1.25rem;
  }

  .quiz-stats {
    flex-direction: column;
    gap: 0.5rem;
  }

  .question-list {
    grid-template-columns: repeat(10, 1fr);
    gap: 0.25rem;
  }

  .question-item .question-btn {
    padding: 0.25rem;
  }

  .question-item .question-number {
    font-size: 0.7rem;
  }

  .results-header {
    padding: 2rem 1rem;
  }

  .result-title {
    font-size: 2rem;
  }

  .summary-item {
    margin-bottom: 1rem;
  }

  .step-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .step-icon {
    align-self: flex-start;
  }

  .benefit-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .benefit-item i {
    align-self: flex-start;
  }
}

/* Print Styles */
@media print {
  .quiz-controls,
  .sidebar,
  .question-navigation,
  .form-actions,
  .quick-actions,
  .btn,
  .btn-group {
    display: none !important;
  }

  .quiz-card {
    break-inside: avoid;
    margin-bottom: 1rem;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .quiz-results-container {
    padding: 0;
  }

  .results-header,
  .results-summary-card,
  .analysis-card {
    box-shadow: none;
    border: 1px solid #000;
    margin-bottom: 1rem;
  }
}