/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

body {
  background-color: #f5f5f5;
  line-height: 1.6;
  height: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  background: linear-gradient(135deg, #0078d7, #004a8f);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.timer {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 1.2rem;
}

/* Section Styles */
.section {
  background: white;
  margin: 2rem auto;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Progress Indicator */
.progress-indicator {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 2rem;
}

.progress-circle {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #ecf0f1;
  transition: all 0.3s ease;
}

.progress-circle.attended {
  background: #2ecc71;
  color: white;
}

.progress-circle.skipped {
  background: #f1c40f;
  color: white;
}

.progress-circle.current {
  border: 2px solid #3498db;
}

/* Question Container */
.question-container {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.options-list {
  list-style: none;
  margin-top: 1.5rem;
}

.option-item {
  padding: 1rem;
  margin: 0.5rem 0;
  background: #f8f9fa;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.option-item:hover {
  background: #e9ecef;
}

.option-item.selected {
  background: #3498db;
  color: white;
}

/* Navigation Controls */
.navigation-controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.btn {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: bold;
}

.btn-primary {
  background: #3498db;
  color: white;
}

.btn-secondary {
  background: #95a5a6;
  color: white;
}

/* Results Section */
.score-summary {
  text-align: center;
  margin: 2rem 0;
}

.score-card {
  background: linear-gradient(135deg, #0078d7, #004a8f);
  color: white;
  padding: 2rem;
  border-radius: 10px;
  margin-bottom: 2rem;
}

.score-card p {
  color: #fff;
  font-size: 0.7rem;
}
.detailed-analysis {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.question-analysis {
  margin: 1.5rem 0;
  padding: 1rem;
  border: 1px solid #ffffff;
  border-radius: 5px;
}

.correct-answer { color: #2ecc71; }
.incorrect-answer { color: #e74c3c; }
.skipped-answer { color: #f1c40f; }

/* Responsive Design */

/* Tablets and below */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .header {
    padding: 1rem;
    text-align: center;
  }

  .progress-indicator{
    display: flex;
    flex-direction: row;
    overflow-y: scroll;
  }

  .progress-circle {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }

  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .section {
    margin: 1rem auto;
    padding: 1.5rem;
  }

  .timer {
    flex-direction: column;
    font-size: 1rem;
  }

  .options-list {
    padding: 0;
  }

  .option-item {
    font-size: 1rem;
    padding: 0.8rem;
  }

  .navigation-controls {
    flex-direction: column;
    gap: 0.5rem;
  }

  .score-summary {
    padding: 1rem;
  }

  .score-card {
    padding: 1.5rem;
  }

  .detailed-analysis {
    padding: 1rem;
  }
}

/* Mobile First Design */
@media (max-width: 480px) {
  .container {
    padding: 5px;
  }

  .header {
    padding: 0.8rem;
    font-size: 1rem;
  }

  .progress-circle {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .section {
    padding: 1rem;
  }

  .question-container {
    padding: 1rem;
  }

  .option-item {
    font-size: 0.9rem;
    padding: 0.6rem;
  }

  .navigation-controls {
    flex-direction: column;
  }

  .score-card {
    padding: 1rem;
  }

  .detailed-analysis {
    padding: 1rem;
  }
}

/* Larger Screens (e.g., desktops) */
@media (min-width: 1200px) {
  .container {
    padding: 40px;
  }

  .header {
    padding: 1.5rem 2rem;
  }

  .progress-circle {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .section {
    padding: 2rem 3rem;
  }

  .btn {
    padding: 1rem 2rem;
  }

  .score-card {
    padding: 2rem 3rem;
  }

  .detailed-analysis {
    padding: 2rem 3rem;
  }
}

#user-name {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  box-sizing: border-box;
  border: 2px solid #ccc;
  border-radius: 4px;
  font-size: 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#user-name:focus {
  border-color: #4CAF50;
  box-shadow: 0 0 8px rgba(76, 175, 80, 0.5);
  outline: none;
}

#user-name::placeholder {
  color: #aaa;
  font-style: italic;
}

#user-name:required {
  border-color: #ff6347;
}