/* ── Exam Header ── */
.exam-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--header-grad);
  border-bottom: 1px solid var(--bdr);
}

/* ── Exam Setup ── */
.exam-setup {
  padding: 24px 20px;
  max-width: 480px;
  margin: 0 auto;
}
.exam-setup h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--wh);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.exam-setup .subtitle {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--dim);
  margin-bottom: 24px;
}

.exam-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.exam-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r);
  border: 1px solid var(--bdr);
  background: var(--cd);
  cursor: pointer;
  transition: all 0.15s ease;
}
.exam-option:hover { border-color: var(--bdr2); background: var(--cd2); }
.exam-option.selected { border-color: var(--acc); background: var(--acc-8); }
.exam-option-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--bdr2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.exam-option.selected .exam-option-radio {
  border-color: var(--acc);
}
.exam-option.selected .exam-option-radio::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--acc);
}
.exam-option-info { flex: 1; }
.exam-option-label {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--wh);
}
.exam-option-detail {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--dim);
  margin-top: 2px;
}

.exam-start-btn {
  width: 100%;
  padding: 12px;
  font-size: 14px;
}

/* ── Two-Column Layout ── */
.exam-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 600px) {
  .exam-columns { grid-template-columns: 1fr; }
}
.exam-col { min-width: 0; }
.exam-col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--wh);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bdr);
}
.exam-col-header svg { color: var(--acc); }
.exam-real { border-color: var(--acc); }
.exam-real-info {
  padding: 16px 0;
  border-radius: 0;
  background: transparent;
  border: none;
  border-top: 1px solid var(--flat-divider);
  margin-top: 12px;
}

/* ── Practice Exam Cards ── */
.exam-practice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.exam-practice-card {
  position: relative;
  padding: 20px;
  border-radius: var(--r);
  background: transparent;
  border: 1px solid var(--bdr);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.exam-practice-card:hover {
  border-color: var(--bdr2);
  background: var(--flat-row-hover);
}
.exam-practice-card:active {
  transform: scale(var(--press-scale));
}
.exam-practice-card.locked {
  opacity: 0.6;
}
.exam-practice-card.locked:hover {
  border-color: var(--bdr2);
}
.exam-lock-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--acc-subtle);
  color: var(--acc);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.exam-lock-badge svg { width: 12px; height: 12px; }
.exam-score-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.exam-practice-num {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--acc);
  margin-bottom: 4px;
}
.exam-practice-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--wh);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.exam-practice-desc {
  font-size: 12px;
  color: var(--dim);
  margin-bottom: 10px;
}
.exam-practice-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--dim);
  margin-bottom: 14px;
}
.exam-practice-meta svg { width: 12px; height: 12px; }
.exam-card-btn {
  width: 100%;
  padding: 10px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.exam-card-btn svg { width: 14px; height: 14px; }

/* ── Timer Bar ── */
.timer-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--sf);
  border-bottom: 1px solid var(--bdr);
}
.timer-track {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--track-bg);
  overflow: hidden;
}
.timer-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s linear, background-color 1s ease;
}
.timer-fill.green { background: var(--grn); }
.timer-fill.yellow { background: var(--amb); }
.timer-fill.red { background: var(--red); }
.timer-fill.flash { animation: flash-timer 0.5s infinite alternate; }
@keyframes flash-timer { from { opacity: 1; } to { opacity: 0.4; } }

.timer-time {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 56px;
  text-align: right;
}
.timer-pos {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--dim);
}

/* ── Exam Question (no immediate feedback) ── */
.exam-question .choice.sel {
  border-color: var(--acc);
  background: var(--acc-8);
}

/* ── Dot Nav ── */
.dot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 12px;
  justify-content: center;
}
.dot-nav-item {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--bdr);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.dot-nav-item.answered { background: var(--dim); border-color: var(--dim); }
.dot-nav-item.current { background: var(--acc); border-color: var(--acc); }
.dot-nav-item.flagged { border-color: var(--amb); }
.dot-nav-item.partial { background: var(--amb); border-color: var(--amb); opacity: 0.5; }

/* ── Exam Actions (sticky bottom bar) ── */
.exam-actions-bar {
  position: sticky;
  bottom: 0;
  z-index: 40;
  background: var(--sf);
  border-top: 1px solid var(--bdr);
  padding: 10px 12px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.exam-actions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
/* Legacy fallback */
.exam-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ── Score Report ── */
.exam-report {
  padding: 24px 20px;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}
.report-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--wh);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.report-ring {
  margin: 0 auto 12px;
  padding: 20px;
  position: relative;
  display: inline-block;
  animation: scaleIn var(--anim-slow) var(--ease-out) both;
  background: var(--sf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  box-shadow: var(--elev-1);
}
.report-ring .ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.report-score {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.report-pass { color: var(--grn); }
.report-fail { color: var(--red); }
.report-verdict {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.report-summary {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--dim);
  margin-bottom: 24px;
}
.report-domains {
  text-align: left;
  margin-bottom: 20px;
}
.report-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}