/* Interactive Test Styles */
.test-page .container { max-width: 800px; }

.test-header { text-align: center; padding: 2rem 0 1rem; }
.test-header h2 { font-family: var(--font-display); font-size: 1.75rem; color: var(--text); margin-bottom: 0.25rem; }
.test-header h2 i { color: var(--primary); }
.test-meta { color: var(--text-muted); font-size: 0.9rem; }

.test-progress-bar { height: 4px; background: var(--border); border-radius: 2px; margin: 0.5rem 0 1.5rem; overflow: hidden; }
.test-progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 2px; transition: width 0.3s ease; }

.test-question { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; margin-bottom: 1rem; }
.test-q-header { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.test-q-num { font-weight: 700; color: var(--primary); min-width: 2rem; font-size: 1rem; }
.test-q-text { font-size: 0.95rem; line-height: 1.6; color: var(--text); }

.test-options { display: flex; flex-direction: column; gap: 0.5rem; }
.test-option { display: flex; align-items: center; gap: 0.625rem; padding: 0.625rem 0.875rem; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; transition: all 0.15s ease; }
.test-option:hover { border-color: var(--primary-light); background: var(--primary-glow); }
.test-option.selected { border-color: var(--primary); background: var(--primary-glow); }
.test-option input[type="radio"] { display: none; }
.test-opt-letter { display: inline-flex; align-items: center; justify-content: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; font-size: 0.8rem; font-weight: 700; background: var(--bg-alt); color: var(--text-soft); flex-shrink: 0; }
.test-option.selected .test-opt-letter { background: var(--primary); color: #fff; }
.test-opt-text { font-size: 0.9rem; color: var(--text); }

.test-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; padding: 1.5rem 0; }
.test-submit-btn { padding: 0.875rem 2rem; font-size: 1.05rem; }

/* Results */
.test-results { max-width: 700px; margin: 0 auto; }
.test-results-header { text-align: center; padding: 1rem 0; }
.test-results-header h2 { font-family: var(--font-display); font-size: 1.75rem; }
.test-results-header h2 i { color: var(--primary); }

.test-score-card { display: flex; gap: 2rem; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem 2rem; margin-bottom: 2rem; flex-wrap: wrap; }
.test-score-card.grade-pass { border-color: var(--green, #16a34a); }
.test-score-card.grade-average { border-color: var(--gold); }
.test-score-card.grade-fail { border-color: var(--red, #dc2626); }

.test-score-circle { display: flex; flex-direction: column; align-items: center; }
.test-score-pct { font-size: 2.5rem; font-weight: 800; line-height: 1; }
.grade-pass .test-score-pct { color: var(--green, #16a34a); }
.grade-average .test-score-pct { color: var(--gold); }
.grade-fail .test-score-pct { color: var(--red, #dc2626); }
.test-score-grade { font-size: 1rem; color: var(--text-muted); margin-top: 0.25rem; font-weight: 600; }

.test-score-details { display: flex; flex-direction: column; gap: 0.375rem; }
.test-score-row { display: flex; justify-content: space-between; gap: 2rem; font-size: 0.9rem; }
.test-score-total { font-weight: 700; border-top: 1px solid var(--border); padding-top: 0.375rem; }
.score-green { color: var(--green, #16a34a); font-weight: 600; }
.score-red { color: var(--red, #dc2626); font-weight: 600; }
.score-gray { color: var(--text-muted); font-weight: 600; }

.test-review { margin-top: 1.5rem; }
.test-review h3 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 1rem; }
.test-review h3 i { color: var(--primary); }

.test-review-q { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; margin-bottom: 0.75rem; }
.test-review-q.q-correct { border-left: 4px solid var(--green, #16a34a); }
.test-review-q.q-incorrect { border-left: 4px solid var(--red, #dc2626); }
.test-review-q.q-unanswered { border-left: 4px solid var(--text-muted); }
.test-review-q-header { display: flex; gap: 0.5rem; align-items: flex-start; }
.test-review-q-num { font-weight: 700; color: var(--primary); min-width: 1.5rem; }
.test-review-q-text { font-size: 0.9rem; line-height: 1.5; flex: 1; }
.test-review-status { color: var(--text-muted); font-size: 1rem; }
.q-correct .test-review-status { color: var(--green, #16a34a); }
.q-incorrect .test-review-status { color: var(--red, #dc2626); }

.test-review-options { display: flex; flex-direction: column; gap: 0.25rem; margin-top: 0.5rem; padding-left: 2rem; }
.test-review-opt { font-size: 0.85rem; display: flex; align-items: center; gap: 0.5rem; padding: 0.25rem 0.5rem; border-radius: 4px; }
.test-review-opt.opt-correct { background: rgba(22, 163, 74, 0.08); color: var(--green, #16a34a); }
.test-review-opt.opt-wrong { background: rgba(220, 38, 38, 0.08); color: var(--red, #dc2626); }

.test-loading { text-align: center; padding: 4rem 0; color: var(--text-muted); }
.test-error { text-align: center; padding: 4rem 0; color: var(--red, #dc2626); }

/* Button styles for test page */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.625rem 1.25rem; border: none; border-radius: 8px; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all 0.15s ease; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(124,58,237,0.3); }
.btn-secondary { background: var(--bg-alt); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-hover); }

.test-email-status { text-align: center; padding: 0.75rem; font-size: 0.85rem; color: var(--text-soft); background: var(--bg-alt); border-radius: 8px; margin-top: 0.5rem; }

/* Question Navigator Palette */
.test-palette-btn {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 100;
  width: 3rem; height: 3rem; border-radius: 50%; border: none;
  background: var(--primary); color: #fff; font-size: 1.1rem;
  cursor: pointer; box-shadow: 0 4px 16px rgba(124,58,237,0.35);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.test-palette-btn:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(124,58,237,0.45); }
.test-palette-btn:active { transform: scale(0.95); }

.test-palette {
  position: fixed; inset: 0; z-index: 200;
  background: var(--surface); display: none;
  flex-direction: column; padding: calc(var(--header-h) + 0.5rem) 1rem 1rem;
  overflow-y: auto;
}
.test-palette.active { display: flex; }
.test-palette-header {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: 1rem; color: var(--text);
  padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); margin-bottom: 0.75rem;
}
.test-palette-close {
  background: none; border: none; color: var(--text-muted); font-size: 1.2rem;
  cursor: pointer; padding: 0.25rem; line-height: 1;
}
.test-palette-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(2.5rem, 1fr));
  gap: 0.5rem;
}
.test-palette-num {
  display: flex; align-items: center; justify-content: center;
  height: 2.5rem; border-radius: 6px; border: 1px solid var(--border);
  font-size: 0.8rem; font-weight: 600; cursor: pointer;
  background: var(--bg-alt); color: var(--text-soft);
  transition: all 0.15s; -webkit-tap-highlight-color: transparent;
}
.test-palette-num.qp-answered {
  background: rgba(5,150,105,0.1); border-color: rgba(5,150,105,0.3);
  color: #059669;
}
.test-palette-num.qp-unanswered {
  background: var(--bg-alt); border-color: var(--border);
  color: var(--text-muted);
}
.test-palette-num:active { transform: scale(0.92); }

@media (max-width: 600px) {
  .test-score-card { flex-direction: column; text-align: center; }
  .test-actions { flex-direction: column; align-items: stretch; }
  .test-actions .btn { justify-content: center; }
  .test-palette-btn { bottom: 1rem; right: 1rem; width: 2.75rem; height: 2.75rem; font-size: 1rem; }
  .test-palette-grid { grid-template-columns: repeat(6, 1fr); }
}