/* Dirt School Practice Test — shared styles
   Matches dirtschool.ca dark theme */

:root {
  --bg: #0d0f12;
  --bg-card: #16191e;
  --bg-card-hover: #1c2026;
  --border: #2a2f37;
  --border-active: #3d4452;
  --text: #e8eaed;
  --text-muted: #9aa0a6;
  --accent: #f59e0b;        /* DirtSchool orange */
  --accent-hover: #fbbf24;
  --correct: #22c55e;
  --incorrect: #ef4444;
  --warning: #f59e0b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.header {
  text-align: center;
  padding: 30px 20px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 30px;
}

.header h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.header h1 .accent { color: var(--accent); }

.header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.back-link {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 20px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* Start screen */
.start-screen {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
}

.start-screen h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.test-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 15px;
  margin: 25px 0;
}

.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px;
}
.info-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
}
.info-card .value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.btn {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
}

/* Test screen */
.test-screen { display: none; }

.progress-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  position: sticky;
  top: 10px;
  z-index: 10;
}

.progress-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.progress-text strong { color: var(--text); font-weight: 700; }

.progress-fill-wrap {
  flex: 1;
  min-width: 100px;
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

.timer {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}
.timer.warning { color: var(--incorrect); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.question-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 20px;
}

.question-meta {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  font-weight: 700;
}

.question-text {
  font-size: 1.1rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--text);
}

.options { list-style: none; }

.option {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  user-select: none;
}
.option:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}
.option.selected {
  border-color: var(--accent);
  background: rgba(245, 158, 11, 0.08);
}
.option-letter {
  background: var(--border);
  color: var(--text);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.option.selected .option-letter {
  background: var(--accent);
  color: #000;
}
.option-text { flex: 1; padding-top: 2px; }

.nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 20px;
}

/* Results screen */
.results-screen { display: none; }

.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  margin-bottom: 20px;
}

.score-big {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 800;
  line-height: 1;
  margin: 20px 0;
}
.score-big.pass { color: var(--correct); }
.score-big.fail { color: var(--incorrect); }

.score-detail {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 20px;
}

.pass-fail-msg {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  padding: 15px 20px;
  margin: 20px 0;
  text-align: left;
  border-radius: 4px;
}

.review-section {
  margin-top: 30px;
}

.review-section h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.review-question {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 12px;
  border-left: 4px solid var(--correct);
}
.review-question.wrong { border-left-color: var(--incorrect); }

.review-q-text {
  font-weight: 600;
  margin-bottom: 10px;
}
.review-a {
  font-size: 0.9rem;
  margin: 5px 0;
  color: var(--text-muted);
}
.review-a.your-answer { color: var(--text); }
.review-a.correct { color: var(--correct); font-weight: 600; }
.review-explanation {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
}

.cta-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.02));
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  margin-top: 30px;
}
.cta-box h3 {
  color: var(--accent);
  margin-bottom: 10px;
  font-size: 1.2rem;
}
.cta-box p {
  color: var(--text-muted);
  margin-bottom: 15px;
  font-size: 0.95rem;
}
.cta-box .btn { text-decoration: none; display: inline-block; }

footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 600px) {
  body { padding: 10px; }
  .question-card { padding: 18px; }
  .start-screen { padding: 25px 18px; }
  .nav-buttons { flex-direction: column; }
  .nav-buttons .btn { width: 100%; }
}