:root {
  --mock-accent: #0f766e;
  --mock-ink: #17201f;
  --mock-muted: #66706e;
  --mock-rule: #d9dfdc;
  --mock-paper: #ffffff;
  --mock-bg: #f1f5f3;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--mock-bg); color: var(--mock-ink); }
[hidden] { display: none !important; }
button, input { font: inherit; }
button { touch-action: manipulation; }

.full-mock-wrap {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 1rem 1rem 5rem;
  min-width: 0;
}
.mock-card {
  min-width: 0;
  margin-bottom: 1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--mock-rule);
  border-radius: 14px;
  background: var(--mock-paper);
  box-shadow: 0 5px 20px rgb(15 23 42 / 5%);
}
.mock-hero { border-top: 6px solid var(--mock-accent); }
.mock-hero h1 { margin: .15rem 0 .5rem; font-size: clamp(1.55rem, 5vw, 2.2rem); }
.eyebrow { margin: 0; color: var(--mock-accent); font-size: .76rem; font-weight: 800; letter-spacing: .13em; }
.lead { margin: 0 0 1rem; color: var(--mock-muted); line-height: 1.7; }
.badge-row, .domain-blueprint { display: flex; flex-wrap: wrap; gap: .45rem; margin: .8rem 0 1rem; }
.badge, .domain-pill, .question-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: .2rem .7rem;
  border-radius: 999px;
  background: #e7f4f1;
  color: #115e59;
  font-size: .84rem;
  font-weight: 720;
}
.domain-pill { background: #f4f5f4; color: #46514f; border: 1px solid var(--mock-rule); }
.disclosure-card {
  margin: 1rem 0;
  padding: .85rem 1rem;
  border-left: 4px solid #d97706;
  border-radius: 7px;
  background: #fffbeb;
  line-height: 1.65;
}
.disclosure-card p { margin: .35rem 0 0; }
.start-actions, .question-controls, .review-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  margin-top: 1rem;
}
.local-note, .keyboard-help, .submission-summary { color: var(--mock-muted); font-size: .86rem; line-height: 1.55; }
.primary-action, .secondary-action, .danger-action {
  min-height: 44px;
  padding: .65rem 1rem;
  border: 1px solid #9ca8a5;
  border-radius: 8px;
  background: white;
  color: var(--mock-ink);
  cursor: pointer;
  font-weight: 750;
}
.primary-action { border-color: var(--mock-accent); background: var(--mock-accent); color: white; }
.danger-action { border-color: #991b1b; background: #991b1b; color: white; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 3px solid #f59e0b; outline-offset: 2px; }
button:disabled { cursor: not-allowed; opacity: .45; }
.error-card { border-color: #fca5a5; background: #fff7f7; color: #991b1b; line-height: 1.65; }

.exam-toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1rem;
  padding: .75rem 1rem;
  border-radius: 10px;
  background: #17201f;
  color: white;
  box-shadow: 0 4px 16px rgb(0 0 0 / 18%);
}
#answer-progress { text-align: right; }
.timer { font: 800 1.28rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .04em; }
.timer.urgent { color: #fca5a5; }
.question-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.question-heading h2 { margin: 0; font-size: 1.2rem; }
.question-tags { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem; }
.question-tag { min-height: 25px; padding: .1rem .55rem; font-size: .76rem; }
.question-stem { margin: 1rem 0; font-size: 1.08rem; line-height: 1.8; white-space: pre-wrap; overflow-wrap: anywhere; }
.option-list { display: grid; gap: .65rem; min-width: 0; margin: 0; padding: 0; border: 0; }
.option-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .65rem;
  align-items: start;
  min-width: 0;
  padding: .75rem .85rem;
  border: 1px solid #d5dbd8;
  border-radius: 9px;
  cursor: pointer;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.option-row:hover { border-color: #77827f; background: #fafcfb; }
.option-row:has(input:checked) { border-color: var(--mock-accent); background: #ecfdf8; }
.option-row input { width: 18px; height: 18px; margin: .27rem 0 0; }
.flag-control { display: inline-flex; align-items: center; gap: .4rem; margin-left: auto; }
.palette {
  display: grid;
  grid-template-columns: repeat(10, minmax(36px, 1fr));
  gap: .35rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--mock-rule);
}
.palette button { min-width: 0; min-height: 44px; border: 1px solid #c8d0cd; border-radius: 6px; background: white; cursor: pointer; }
.palette button.answered { border-color: #6ee7b7; background: #d1fae5; }
.palette button.flagged { box-shadow: inset 0 0 0 2px #f59e0b; }
.palette button.current { border-color: #17201f; background: #17201f; color: white; }
.palette-legend { margin-top: .55rem; color: #66716e; font-size: .8rem; line-height: 1.5; }
.keyboard-help { margin-top: .75rem; }
.submit-row { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--mock-rule); text-align: right; }

.score-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; margin: 1rem 0; }
.score-box { min-width: 0; padding: .85rem; border-radius: 9px; background: #f3f6f5; text-align: center; }
.score-box strong { display: block; margin-top: .2rem; font-size: 1.4rem; }
.domain-scores { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; }
.domain-score { display: flex; justify-content: space-between; gap: .5rem; min-width: 0; padding: .65rem .75rem; border: 1px solid var(--mock-rule); border-radius: 7px; }
.review-filter[aria-pressed="true"] { border-color: var(--mock-ink); background: var(--mock-ink); color: white; }
.review-item { padding: 1.1rem 0; border-top: 1px solid var(--mock-rule); }
.review-item h3 { margin: 0; font-size: 1rem; }
.review-item.correct h3 { color: #166534; }
.review-item.wrong h3 { color: #991b1b; }
.review-stem { line-height: 1.75; white-space: pre-wrap; overflow-wrap: anywhere; }
.review-option { margin: .65rem 0; padding: .75rem .85rem; border: 1px solid #d5dbd8; border-radius: 8px; overflow-wrap: anywhere; }
.review-option.correct { border-color: #10b981; background: #ecfdf5; }
.review-option.picked.wrong { border-color: #ef4444; background: #fef2f2; }
.review-option-head { display: flex; justify-content: space-between; gap: .7rem; font-weight: 700; }
.review-mark { flex: 0 0 auto; color: var(--mock-muted); font-size: .78rem; }
.option-explain { margin: .5rem 0 0; color: #485451; line-height: 1.65; }
.citation-list { margin: .5rem 0 0; padding-left: 1.2rem; color: var(--mock-muted); font-size: .84rem; line-height: 1.55; }
.citation-list a { color: var(--mock-accent); overflow-wrap: anywhere; }
.review-evidence { margin-top: .8rem; }
.review-evidence summary { cursor: pointer; color: var(--mock-accent); font-weight: 700; }
.takeaway { margin-top: .7rem; padding: .7rem .85rem; border-left: 4px solid var(--mock-accent); background: #f0fdfa; line-height: 1.65; }
.result-receipt { margin-top: 1rem; padding: 1rem; border: 1px solid #9ccfc6; border-radius: 10px; background: #f8fffd; }
.result-receipt h3, .result-receipt h4 { margin: 0 0 .55rem; }
.receipt-identity, .receipt-boundary { color: var(--mock-muted); font-size: .82rem; line-height: 1.55; overflow-wrap: anywhere; }
.result-counts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; margin: 1rem 0; }
.result-count { min-width: 0; padding: .65rem .75rem; border-radius: 7px; background: #e7f4f1; color: #115e59; text-align: center; }
.review-checklist { min-width: 0; margin: 1rem 0 0; padding: .8rem; border: 1px solid var(--mock-rule); border-radius: 8px; }
.review-checklist legend { padding: 0 .35rem; font-weight: 800; }
.review-checklist-items { display: grid; gap: .55rem; }
.review-check-item { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: .55rem; min-height: 44px; padding: .55rem .65rem; border-radius: 7px; background: white; line-height: 1.5; }
.review-check-item input { width: 20px; height: 20px; margin: .15rem 0 0; }
.post-exam-next { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin: 1rem 0; }
.post-exam-next a { min-height: 44px; display: inline-flex; align-items: center; padding: .6rem .85rem; border: 1px solid var(--mock-accent); border-radius: 8px; color: var(--mock-accent); background: white; font-weight: 750; text-decoration: none; }
.post-exam-next a:hover { background: #ecfdf8; }

@media (max-width: 760px) {
  .full-mock-wrap { padding: .65rem .65rem 4rem; }
  .mock-card { padding: 1rem; border-radius: 10px; }
  .exam-toolbar { grid-template-columns: 1fr auto; }
  #answer-progress { grid-column: 1 / -1; text-align: left; font-size: .85rem; }
  .palette { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .score-grid, .domain-scores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-counts { grid-template-columns: 1fr; }
  .question-heading { display: block; }
  .question-tags { justify-content: flex-start; margin-top: .5rem; }
  .flag-control { width: 100%; margin-left: 0; }
  .start-actions > button { width: 100%; }
  .post-exam-next { align-items: stretch; }
  .post-exam-next strong { width: 100%; }
  .post-exam-next a { flex: 1 1 100%; justify-content: center; }
}

@media (max-width: 420px) {
  .score-grid, .domain-scores { grid-template-columns: 1fr; }
  .question-controls > button { flex: 1 1 0; min-width: 0; }
  .review-option-head { display: block; }
  .review-mark { display: block; margin-top: .3rem; }
}