:root {
  --bg: #ebe7dc;
  --paper: #ffffff;
  --paper-soft: #f8f5ec;
  --ink: #18231c;
  --ink-soft: #34443a;
  --muted: #6f7368;
  --line: #cfc6b0;
  --line-soft: #e5dece;
  --green: #0f2d1f;
  --green-2: #1a4a2e;
  --gold: #c9a84c;
  --gold-soft: #f4ecd3;
  --danger: #a83232;
  --danger-soft: #f6e7e4;
  --good: #2f6844;
  --good-soft: #e7f1e8;
  --warn: #b8860b;
  --header: #202720;
  --shadow-sm: 0 1px 2px rgba(15, 45, 31, 0.06);
  --shadow-md: 0 8px 28px rgba(15, 45, 31, 0.12);
  --shadow-lg: 0 16px 50px rgba(15, 45, 31, 0.18);
}

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

html {
  font-size: 16px;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body.has-site-chrome #ucatMockApp {
  padding-top: 92px;
}

body.mock-chrome-hidden #navbar-placeholder,
body.mock-chrome-hidden .navbar-medibrain,
body.mock-chrome-hidden .site-footer,
body.mock-chrome-hidden .whatsapp-sticky,
body.mock-chrome-hidden .back-to-top {
  display: none !important;
}

body.mock-chrome-hidden #ucatMockApp {
  padding-top: 0;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
}

.screen {
  display: none;
}

.screen.is-active {
  display: flex;
}

.stage {
  min-height: 100vh;
  padding: 24px 16px;
  flex-direction: column;
}

#ucatMockApp .container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}

#ucatMockApp .exam-container {
  max-width: 1200px;
}

.panel,
.instruction-card {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
}

.panel::before,
.instruction-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.token-panel,
.dashboard-panel,
.results-panel,
.instruction-card {
  padding: 52px 60px;
}

.brand {
  margin-bottom: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
}

#ucatMockApp h1 {
  max-width: 780px;
  margin-bottom: 12px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.35rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.03;
  color: var(--green);
}

#ucatMockApp .lead {
  max-width: 700px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.token-form {
  max-width: 680px;
}

.token-form label {
  display: block;
  margin-bottom: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.token-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.token-row input {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-soft);
  color: var(--ink);
  outline: 0;
}

.token-row input:focus {
  border-color: var(--green-2);
  box-shadow: 0 0 0 3px rgba(26, 74, 46, 0.12);
}

.form-error {
  min-height: 24px;
  margin-top: 10px;
  color: var(--danger);
  font-weight: 600;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(201, 168, 76, 0.38);
  border-radius: 4px;
  background: var(--gold-soft);
  color: var(--ink-soft);
}

.btn {
  min-height: 44px;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.btn-primary {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

.btn-primary:hover:not(:disabled) {
  border-color: var(--green-2);
  background: var(--green-2);
  color: var(--paper);
}

.btn-dark {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.btn-dark:hover:not(:disabled) {
  border-color: var(--green-2);
  background: var(--green-2);
}

.btn-small {
  min-height: 34px;
  padding: 8px 14px;
  font-size: 13px;
}

.dashboard-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  background: var(--line);
}

.info-cell {
  min-height: 150px;
  padding: 22px 20px;
  background: var(--paper);
}

.info-cell .num {
  margin-bottom: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.info-cell .name {
  margin-bottom: 10px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--green);
}

.info-cell .meta,
.mock-meta,
.stat .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}

.stats-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 18px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-soft);
}

.stat .label {
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stat .value {
  margin-top: 2px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--green);
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mock-card {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.mock-card h2 {
  margin-bottom: 8px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 30px;
  color: var(--green);
}

.mock-card p {
  margin-bottom: 18px;
  color: var(--muted);
}

.mock-progress {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 18px;
}

.mock-progress span {
  min-height: 7px;
  border-radius: 999px;
  background: var(--line-soft);
}

.mock-progress span.done {
  background: var(--green-2);
}

.mock-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.instruction-card {
  max-width: 920px;
  margin: 0 auto;
}

.step,
.timing {
  font-family: "JetBrains Mono", monospace;
  color: var(--gold);
}

.step {
  margin-bottom: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.timing {
  margin-bottom: 24px;
  font-size: 14px;
}

.instruction-copy {
  max-width: 760px;
  margin-bottom: 28px;
  color: var(--ink-soft);
}

.instruction-copy p {
  margin-bottom: 12px;
}

.countdown {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
}

.countdown span:first-child {
  font-family: "JetBrains Mono", monospace;
  font-size: 48px;
  font-weight: 600;
  color: var(--green);
}

.countdown .lbl {
  color: var(--muted);
}

.start-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.exam-stage {
  background: var(--bg);
}

.exam-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  box-shadow: var(--shadow-lg);
}

.exam-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--header);
  color: var(--paper);
}

.sec-info .lbl {
  margin-bottom: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.58);
  text-transform: uppercase;
}

.sec-info .name {
  font-family: "Fraunces", Georgia, serif;
  font-size: 24px;
  color: var(--paper);
}

.exam-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.q-count,
.tool-btn,
.timer {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.q-count {
  color: rgba(255, 255, 255, 0.7);
}

.tool-btn {
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--paper);
  cursor: pointer;
}

.tool-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.tool-btn.flagged {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
}

.timer {
  min-width: 86px;
  padding: 8px 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
  text-align: center;
  font-size: 20px;
  font-weight: 600;
}

.timer.warn {
  background: rgba(201, 168, 76, 0.18);
  color: #f1cb62;
}

.timer.crit {
  background: rgba(168, 50, 50, 0.22);
  color: #ff8a8a;
  animation: pulse 1s ease infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.65;
  }
}

.exam-body {
  min-height: 530px;
  padding: 22px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.94fr);
  gap: 22px;
}

.passage-box,
.question-card {
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--paper-soft);
}

.passage-box {
  max-height: 680px;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 22px;
}

.passage-title {
  margin-bottom: 12px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 24px;
  color: var(--green);
}

.passage-text {
  color: var(--ink-soft);
  white-space: pre-line;
}

.question-card {
  padding: 22px;
  background: var(--paper);
}

.q-text {
  margin-bottom: 18px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.scenario {
  margin-bottom: 18px;
  padding: 16px;
  border-left: 3px solid var(--gold);
  background: var(--paper-soft);
  color: var(--ink-soft);
}

.data-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 9px 10px;
  border: 1px solid var(--line-soft);
  text-align: left;
}

.data-table th {
  background: #eef4ee;
  color: var(--green);
  font-weight: 700;
}

.sjt-scale {
  margin-bottom: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.options {
  display: grid;
  gap: 10px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.option:hover {
  border-color: var(--green-2);
  background: #fbfaf5;
}

.option.selected {
  border-color: var(--green);
  background: #edf5ef;
}

.option-letter {
  display: inline-grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
}

.option.selected .option-letter {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

.yesno-table {
  display: grid;
  gap: 10px;
}

.yesno-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.yesno-label {
  font-weight: 600;
}

.yesno-actions {
  display: flex;
  gap: 8px;
}

.yesno-btn {
  min-width: 58px;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-soft);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

.yesno-btn.selected {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

.exam-foot {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}

.nav-jump {
  display: flex;
  justify-content: center;
  gap: 5px;
  align-items: center;
  min-width: 0;
}

.jump-dot {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--muted);
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}

.jump-dot.answered {
  border-color: var(--green-2);
  background: #e7f1e8;
  color: var(--green);
}

.jump-dot.current {
  border-color: var(--green);
  background: var(--green);
  color: var(--paper);
}

.jump-dot.flagged::after {
  content: "";
  position: absolute;
  top: -3px;
  right: -1px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--paper);
  border-radius: 999px;
  background: var(--gold);
}

.nav-ellipsis {
  color: var(--muted);
  font-size: 12px;
}

.end-row {
  display: flex;
  justify-content: flex-end;
  padding-top: 12px;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.score-card {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper-soft);
}

.score-card.total {
  grid-column: 1 / -1;
  min-height: 120px;
  background: var(--green);
  color: var(--paper);
}

.score-card .label {
  margin-bottom: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.score-card.total .label {
  color: rgba(255, 255, 255, 0.7);
}

.score-card .value {
  margin-bottom: 6px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 42px;
  line-height: 1;
  color: var(--green);
}

.score-card.total .value {
  color: var(--paper);
}

.score-card .raw {
  color: var(--muted);
  font-size: 14px;
}

.score-card.total .raw {
  color: rgba(255, 255, 255, 0.78);
}

.analyzer-panel {
  margin-bottom: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
}

.analyzer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}

.analyzer-head .brand {
  margin-bottom: 6px;
}

.analyzer-head h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 30px;
  color: var(--green);
}

.analyzer-status {
  min-height: 22px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.analyzer-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.analyzer-metric {
  min-height: 106px;
  padding: 15px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--paper-soft);
}

.analyzer-metric span,
.coach-kicker,
.skill-row span {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}

.analyzer-metric span,
.coach-kicker {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.analyzer-metric strong {
  display: block;
  margin-top: 7px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 34px;
  line-height: 1;
  color: var(--green);
}

.analyzer-metric em {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-style: normal;
}

.coach-card {
  margin-bottom: 16px;
  padding: 20px;
  border: 1px solid rgba(201, 168, 76, 0.42);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  background: #fffdf7;
}

.coach-card h3,
.analyzer-block h3 {
  margin-bottom: 10px;
  font-family: "Fraunces", Georgia, serif;
  color: var(--green);
}

.coach-card h3 {
  font-size: 25px;
}

.coach-card p {
  margin-bottom: 10px;
  color: var(--ink-soft);
}

.coach-plan {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 4px;
  background: var(--gold-soft);
  color: var(--ink-soft);
}

.analyzer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.analyzer-block {
  min-height: 180px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--paper-soft);
}

.analyzer-block h3 {
  font-size: 22px;
}

.skill-list {
  display: grid;
  gap: 8px;
}

.skill-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.skill-row:last-child {
  border-bottom: 0;
}

.skill-row strong,
.skill-row span {
  display: block;
}

.skill-row strong {
  color: var(--ink);
  line-height: 1.25;
}

.skill-row b {
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}

.analyzer-empty {
  color: var(--muted);
}

.review-section {
  display: none;
  margin-top: 28px;
}

.review-section.is-open {
  display: block;
}

.review-section h2 {
  margin: 28px 0 14px;
  font-family: "Fraunces", Georgia, serif;
  color: var(--green);
}

.review-item {
  margin-bottom: 10px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.review-item.correct {
  border-left-color: var(--good);
}

.review-item.partial {
  border-left-color: var(--gold);
}

.review-item.incorrect {
  border-left-color: var(--danger);
}

.review-meta {
  margin-bottom: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}

.review-q {
  margin-bottom: 8px;
  font-weight: 700;
}

.review-context {
  margin-bottom: 10px;
  padding: 12px;
  border-radius: 4px;
  background: var(--paper-soft);
  color: var(--ink-soft);
  font-size: 14px;
}

.review-answer {
  margin: 4px 0;
  font-size: 14px;
}

.review-answer .ok {
  color: var(--good);
  font-weight: 700;
}

.review-answer .bad {
  color: var(--danger);
  font-weight: 700;
}

.review-explanation {
  margin-top: 10px;
  color: var(--ink-soft);
}

.calc-panel {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  display: none;
  width: 270px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  box-shadow: var(--shadow-lg);
}

.calc-panel.is-open {
  display: block;
}

.calc-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 24px;
  height: 24px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.calc-display {
  min-height: 50px;
  margin-bottom: 10px;
  padding: 10px 34px 10px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-soft);
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  text-align: right;
  overflow: hidden;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}

.calc-btn {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

.calc-btn:hover {
  border-color: var(--green-2);
}

.calc-btn.op,
.calc-btn.eq {
  background: var(--green);
  color: var(--paper);
}

.calc-btn.clr {
  background: var(--danger-soft);
  color: var(--danger);
}

.calc-btn.zero {
  grid-column: span 2;
}

.modal-bg {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(15, 45, 31, 0.44);
}

.modal-bg.is-open {
  display: flex;
}

.modal {
  display: block;
  position: relative;
  height: auto;
  overflow: visible;
  width: min(480px, 100%);
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  margin-bottom: 10px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 28px;
  color: var(--green);
}

.modal p {
  margin-bottom: 20px;
  color: var(--muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 920px) {
  .token-panel,
  .dashboard-panel,
  .results-panel,
  .instruction-card {
    padding: 40px 28px;
  }

  .dashboard-top,
  .exam-top {
    flex-direction: column;
    align-items: stretch;
  }

  .exam-tools {
    justify-content: flex-start;
  }

  .info-grid,
  .mock-grid,
  .score-grid,
  .analyzer-summary,
  .analyzer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .score-card.total {
    grid-column: 1 / -1;
  }

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

  .passage-box {
    max-height: 320px;
  }
}

@media (max-width: 640px) {
  .stage {
    padding: 12px;
  }

  .token-panel,
  .dashboard-panel,
  .results-panel,
  .instruction-card {
    padding: 34px 18px 22px;
  }

  .token-row,
  .info-grid,
  .mock-grid,
  .score-grid,
  .analyzer-summary,
  .analyzer-grid {
    grid-template-columns: 1fr;
  }

  .analyzer-head {
    flex-direction: column;
  }

  .exam-body {
    min-height: 480px;
    padding: 14px;
  }

  .exam-foot {
    grid-template-columns: 1fr;
  }

  .nav-jump {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .yesno-row {
    grid-template-columns: 1fr;
  }

  .calc-panel {
    right: 12px;
    bottom: 12px;
    left: 12px;
    width: auto;
  }
}