/* Canadian Citizenship Test DOJO - Styles */

:root {
  /* Canadian colors */
  --red: #D52B1E;
  --red-dark: #A41E1E;
  --white: #FFFFFF;

  /* Neutral - Light mode */
  --bg: #F5F5F5;
  --text: #333333;
  --text-light: #666666;
  --border: #DDDDDD;

  /* Feedback */
  --success: #28A745;
  --success-light: #D4EDDA;
  --error: #DC3545;
  --error-light: #F8D7DA;
}

/* Dark mode - based on system preference */
@media (prefers-color-scheme: dark) {
  :root {
    /* Neutral - Dark mode */
    --bg: #1a1a1a;
    --text: #e0e0e0;
    --text-light: #a0a0a0;
    --border: #404040;
    --white: #2d2d2d;

    /* Feedback - adjusted for dark mode */
    --success-light: #1a3d24;
    --error-light: #3d1a1f;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Container */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
header {
  background: var(--red);
  color: var(--white);
  padding: 20px;
  text-align: center;
}

header h1 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

header p {
  opacity: 0.9;
  font-size: 0.9rem;
}

/* Screens */
.screen {
  display: none;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 30px;
  margin-top: 20px;
}

.screen.active {
  display: block;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--red-dark);
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: #ccc;
}

.btn-block {
  display: block;
  width: 100%;
  margin-bottom: 10px;
}

/* Start Screen */
#start-screen {
  text-align: center;
}

#start-screen h2 {
  margin-bottom: 20px;
  color: var(--red);
}

#quiz-info {
  background: var(--bg);
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

#last-score {
  margin-bottom: 25px;
  padding: 15px;
  background: var(--bg);
  border-radius: 6px;
}

#last-score p {
  margin: 5px 0;
}

#last-score .weak-notice {
  color: var(--red);
  font-weight: 500;
  margin-top: 10px;
}

/* Question Screen */
#question-screen {
  padding: 20px;
}

.progress-container {
  margin-bottom: 20px;
}

#question-progress {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

#progress-bar-fill {
  height: 100%;
  background: var(--red);
  transition: width 0.3s;
}

#question-chapter {
  display: inline-block;
  background: var(--bg);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 15px;
}

#question-text {
  font-size: 1.2rem;
  margin-bottom: 25px;
  line-height: 1.5;
}

/* Options */
#options-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.option-btn {
  padding: 15px 20px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  text-align: left;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.option-btn:hover:not(:disabled) {
  border-color: var(--red);
  background: #FFF5F5;
}

.option-btn:disabled {
  cursor: default;
}

.option-btn.correct {
  border-color: var(--success);
  background: var(--success-light);
}

.option-btn.incorrect {
  border-color: var(--error);
  background: var(--error-light);
}

/* Feedback */
#feedback {
  display: none;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
}

#feedback.show {
  display: block;
}

#feedback.correct {
  background: var(--success-light);
  border: 1px solid var(--success);
}

#feedback.incorrect {
  background: var(--error-light);
  border: 1px solid var(--error);
}

#feedback strong {
  display: block;
  margin-bottom: 8px;
}

#next-btn {
  display: none;
}

/* Results Screen */
#results-screen {
  text-align: center;
}

.score-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 8px solid;
}

.score-circle.pass {
  border-color: var(--success);
  background: var(--success-light);
}

.score-circle.fail {
  border-color: var(--error);
  background: var(--error-light);
}

#score-value {
  font-size: 2.5rem;
  font-weight: bold;
}

.pass-fail {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.pass-fail.pass {
  color: var(--success);
}

.pass-fail.fail {
  color: var(--error);
}

#correct-count, #time-spent {
  color: var(--text-light);
  margin-bottom: 5px;
}

.results-actions {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Progress Screen */
#progress-screen h2 {
  margin-bottom: 20px;
  color: var(--red);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--bg);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--red);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* History Table */
.history-section h3 {
  margin-bottom: 15px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg);
  font-weight: 600;
}

tr.pass td:last-child {
  color: var(--success);
}

tr.fail td:last-child {
  color: var(--error);
}

/* Import/Export */
.data-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.data-actions .btn {
  flex: 1;
}

#import-file {
  display: none;
}

/* Review Screen */
#review-screen h2 {
  margin-bottom: 20px;
  color: var(--red);
}

.review-list {
  margin-bottom: 20px;
}

.review-item {
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.review-item.correct {
  border-left: 4px solid var(--success);
}

.review-item.incorrect {
  border-left: 4px solid var(--error);
}

/* Responsive */
@media (max-width: 500px) {
  .container {
    padding: 10px;
  }

  .screen {
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .data-actions {
    flex-direction: column;
  }

  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: 8px;
  }
}