:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-strong: #f0f4f3;
  --surface-warm: #fff7ed;
  --text: #18202a;
  --muted: #667085;
  --line: #d8dde3;
  --accent: #0f766e;
  --accent-dark: #0b5d57;
  --accent-soft: #dff3ef;
  --amber: #b45309;
  --amber-soft: #fff3d6;
  --wrong: #b42318;
  --wrong-soft: #fcebea;
  --right: #137333;
  --right-soft: #e7f5ea;
  --shadow: 0 18px 42px rgba(24, 32, 42, 0.08);
  font-family:
    "Yu Gothic UI", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.app-mini-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(14px, calc((100% - 920px) / 2));
  color: #173042;
  background: rgba(250, 250, 248, .96);
  border-bottom: 1px solid rgba(23, 48, 66, .14);
  box-shadow: 0 3px 14px rgba(24, 32, 42, .05);
  backdrop-filter: blur(12px);
}
.app-mini-nav__brand { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.app-mini-nav__brand > span { width: 25px; height: 25px; display: grid; place-items: center; color: #fff; background: #173042; border-radius: 50%; font-family: Georgia, serif; font-style: italic; }
.app-mini-nav__brand strong { font-family: Georgia, "Yu Mincho", serif; font-size: .84rem; letter-spacing: .02em; }
.app-mini-nav__toggle { min-height: 36px; padding: 6px 11px; color: inherit; background: transparent; border: 1px solid rgba(23, 48, 66, .2); border-radius: 999px; cursor: pointer; font-size: .76rem; font-weight: 800; }
.app-mini-nav__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: max(10px, calc((100% - 920px) / 2));
  width: min(240px, calc(100vw - 20px));
  display: grid;
  gap: 2px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 16px 42px rgba(24, 32, 42, .18);
}
.app-mini-nav__menu a, .app-mini-nav__menu button { min-height: 42px; display: flex; align-items: center; padding: 8px 11px; color: #26323f; background: transparent; border: 0; border-radius: 7px; cursor: pointer; font-size: .86rem; font-weight: 800; text-align: left; text-decoration: none; }
.app-mini-nav__menu a:hover, .app-mini-nav__menu button:hover { background: var(--accent-soft); }
.app-mini-nav__brand:focus-visible, .app-mini-nav__toggle:focus-visible, .app-mini-nav__menu a:focus-visible, .app-mini-nav__menu button:focus-visible { outline: 3px solid rgba(15, 118, 110, .32); outline-offset: 2px; }

button,
input {
  font: inherit;
}

.app-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  line-height: normal;
}

.ad-slot {
  width: min(920px, calc(100% - 32px));
  min-height: 120px;
  margin: 0 auto;
}

.info-header a,
.info-content a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.info-header a:hover,
.info-content a:hover {
  color: var(--accent);
}

.info-header {
  width: min(920px, calc(100% - 32px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  padding: 20px 0;
}

.info-brand {
  color: var(--text) !important;
  font-size: 0.95rem;
  text-decoration: none;
}

.info-shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 38px 0 16px;
}

.info-content {
  padding-bottom: 24px;
}

.info-content h1 {
  margin: 0 0 32px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.info-content h2 {
  margin: 34px 0 10px;
  color: #26323f;
  font-size: 1.1rem;
}

.info-content p,
.info-content li {
  color: #344054;
  line-height: 1.9;
}

.info-content p {
  margin: 0 0 14px;
}

.info-content ul {
  margin: 0 0 14px;
  padding-left: 1.4em;
}

.info-content .info-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.status-bar,
.question-panel,
.summary-panel,
.record-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.start-panel {
  min-height: 560px;
  display: grid;
  align-content: center;
  border: 1px solid #cfd8d5;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(223, 243, 239, 0.7), rgba(255, 247, 237, 0.95)),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.start-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  padding: 42px;
}

.start-copy {
  display: grid;
  align-self: center;
  align-content: center;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.start-panel h1 {
  max-width: 560px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.08;
}

.start-lead {
  max-width: 540px;
  margin: 0;
  color: #3a4654;
  font-size: 1rem;
  line-height: 1.8;
}

.start-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.start-metrics > div {
  min-width: 132px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 118, 110, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.start-metrics span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.start-metrics strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1;
}

.start-metrics strong.metric-loading {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.set-size-control {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 4px;
}

.set-size-control strong {
  min-width: 3.3em;
  margin-top: 0;
}

.stepper-stack {
  display: grid;
  gap: 3px;
}

.stepper-button {
  width: 26px;
  height: 18px;
  border: 1px solid rgba(15, 118, 110, 0.32);
  border-radius: 6px;
  background: #fff;
  color: var(--accent-dark);
  font-size: 0.62rem;
  font-weight: 900;
  line-height: 1;
}

.stepper-button:hover:not(:disabled),
.stepper-button:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.stepper-button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.start-controls {
  display: grid;
  align-content: center;
  gap: 18px;
}

.control-section {
  display: grid;
  gap: 10px;
  padding: 0 0 18px;
  border-bottom: 1px solid rgba(102, 112, 133, 0.24);
}

.control-section h2 {
  margin: 0;
  color: #26323f;
  font-size: 0.92rem;
  letter-spacing: 0;
}

.control-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.text-button {
  min-height: 30px;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  font-weight: 800;
  cursor: pointer;
}

.advanced-settings {
  border-bottom: 1px solid rgba(102, 112, 133, 0.24);
}

.advanced-settings summary {
  min-height: 42px;
  display: flex;
  align-items: center;
  color: var(--accent-dark);
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

.advanced-settings summary::-webkit-details-marker {
  display: none;
}

.advanced-settings-body {
  display: grid;
  gap: 16px;
  padding: 4px 0 18px;
}

.advanced-settings-body .control-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.start-actions {
  display: block;
}

.start-actions .start-button {
  width: 100%;
}

.secondary-button.advanced-record-button {
  width: 100%;
  justify-self: stretch;
  border-color: rgba(15, 118, 110, 0.3);
  background: #eaf7f3;
  color: var(--accent-dark);
}

.secondary-button.advanced-record-button:hover,
.secondary-button.advanced-record-button:focus-visible {
  border-color: rgba(15, 118, 110, 0.48);
  background: #dff3ed;
}

.field-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.field-chip {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid rgba(102, 112, 133, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
}

.field-chip input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.field-chip:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.answer-mode-control {
  grid-template-columns: 1fr;
}

.answer-mode-control label {
  padding: 8px 10px;
  text-align: center;
}

.segmented-control label {
  min-height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(102, 112, 133, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #344054;
  font-weight: 900;
  cursor: pointer;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented-control label:has(input:checked) {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: #7c2d12;
}

.start-button {
  min-width: 190px;
  min-height: 48px;
}

.status-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  padding: 14px;
}

.progress-block {
  min-width: 0;
}

.progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-label strong {
  color: var(--text);
  font-size: 1.1rem;
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e7eb;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 180ms ease;
}

.question-panel,
.summary-panel,
.record-panel {
  min-height: 620px;
  padding: 24px;
}

.question-panel {
  display: flex;
  flex-direction: column;
}

.question-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 10px;
}

.question-secondary-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  margin-top: 18px;
}

.question-footer-actions {
  margin-top: auto;
  padding-top: 20px;
}

.question-footer-actions .actions {
  margin-top: 0;
}

.question-footer-actions #nextButton {
  min-width: 180px;
}

.interrupt-button {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid rgba(102, 112, 133, 0.34);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  cursor: pointer;
}

.question-secondary-action {
  width: 220px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  white-space: nowrap;
}

.interrupt-button:hover,
.interrupt-button:focus-visible {
  border-color: rgba(180, 83, 9, 0.45);
  background: var(--amber-soft);
  color: #7c2d12;
}

.check-question-button {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}

.check-question-button:hover,
.check-question-button:focus-visible,
.check-question-button.checked {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: #7c2d12;
}

.check-question-button.compact {
  min-height: 30px;
  padding: 0 8px;
  font-size: 0.76rem;
}

.question-head,
.summary-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.summary-score-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(68px, 92px);
  align-items: center;
  gap: 14px;
}

.summary-head.summary-score-row {
  align-items: center;
  padding: 0 15px;
}

.question-index {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

h1 {
  margin: 4px 0 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: 0;
}

.summary-rate {
  margin: 0;
  color: var(--accent);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  text-align: right;
}

.summary-overview {
  margin-bottom: 18px;
}

.lifetime-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(68px, 92px);
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 8px;
  background: var(--accent-soft);
}

.lifetime-record-button {
  width: 96px;
  min-height: 34px;
  padding: 0 11px;
  border-color: rgba(15, 118, 110, 0.3);
  color: var(--accent-dark);
  font-size: 0.82rem;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  white-space: nowrap;
}

.lifetime-summary div {
  display: grid;
  gap: 2px;
}

.lifetime-summary span {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.lifetime-summary strong {
  font-size: 1rem;
}

.lifetime-summary p {
  margin: 0;
  color: var(--accent-dark);
  font-size: 1.5rem;
  font-weight: 900;
  text-align: right;
}

.history-pill {
  flex: 0 0 auto;
  max-width: 190px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: #25423e;
  font-size: 0.78rem;
  line-height: 1.15;
}

.stem {
  margin: 0 0 22px;
  font-size: 1.15rem;
  line-height: 1.9;
  white-space: pre-line;
}

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

.question-source {
  margin: 12px 2px 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: right;
}

.choice-button {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 120ms ease;
}

.choice-button:hover:not(:disabled),
.choice-button:focus-visible {
  border-color: var(--accent);
  outline: 2px solid rgba(15, 118, 110, 0.18);
  outline-offset: 2px;
}

.choice-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.choice-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.choice-button.correct {
  border-color: var(--right);
  background: var(--right-soft);
}

.choice-button.incorrect {
  border-color: var(--wrong);
  background: var(--wrong-soft);
}

.choice-button:disabled {
  cursor: default;
}

.choice-label {
  display: grid;
  place-items: center;
  min-width: 42px;
  background: #eef1f4;
  font-weight: 800;
}

.choice-text {
  min-width: 0;
  padding: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.actions,
.finish-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.primary-button,
.secondary-button,
.rate-button,
.danger-button {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 16px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover:not(:disabled),
.primary-button:focus-visible {
  background: var(--accent-dark);
}

.primary-button:disabled {
  background: #a9b4bd;
  cursor: default;
}

.secondary-button {
  border-color: var(--line);
  background: #fff;
  color: var(--text);
}

.danger-button {
  border-color: rgba(180, 35, 24, 0.35);
  background: #fff;
  color: var(--wrong);
}

.danger-button:hover,
.danger-button:focus-visible {
  background: var(--wrong-soft);
}

.result-panel {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.result-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.result-mark {
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  line-height: 1;
}

.result-mark.right {
  background: var(--right);
}

.result-mark.wrong {
  background: var(--wrong);
}

.result-panel p {
  margin: 8px 0 0;
  line-height: 1.65;
}

.explanation {
  color: #344054;
  white-space: pre-line;
}

.summary-list {
  display: grid;
  gap: 12px;
}

.summary-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.summary-item-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: #f8fafb;
}

.summary-number {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 900;
}

.summary-status {
  font-weight: 900;
}

.summary-status.right {
  color: var(--right);
}

.summary-status.wrong {
  color: var(--wrong);
}

.summary-chatgpt-link {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.summary-chatgpt-link:hover,
.summary-chatgpt-link:focus-visible {
  border-color: rgba(15, 118, 110, 0.42);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.scope-report-action {
  display: flex;
  gap: 6px;
}

.scope-report-button {
  min-height: 32px;
  padding: 0 9px;
  border-color: var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
}

.scope-report-button.active-scope {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: #7c2d12;
}

.summary-body {
  padding: 12px 14px 14px;
}

.summary-body p {
  margin: 0;
  line-height: 1.65;
}

.summary-stem {
  white-space: pre-line;
}

.summary-result-panel {
  margin-top: 20px;
}

.summary-result-panel p {
  margin: 8px 0 0;
}

.summary-source {
  margin-top: 10px !important;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: right;
}

.question-learning-history {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.history-marks {
  display: inline-flex;
  gap: 3px;
  font-weight: 900;
}

.history-marks .right {
  color: var(--right);
}

.history-marks .wrong {
  color: var(--wrong);
}

.history-ellipsis {
  color: var(--muted);
}

.view-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.view-heading h1 {
  margin-top: 5px;
}

.record-title-line {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.danger-compact-button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(180, 35, 24, 0.34);
  border-radius: 7px;
  background: rgba(254, 243, 242, 0.8);
  color: var(--wrong);
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
}

.danger-compact-button:hover,
.danger-compact-button:focus-visible {
  border-color: var(--wrong);
  background: #fee4e2;
}

.streak-message {
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--amber-soft);
  color: #7c2d12;
  font-weight: 900;
}

.record-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 26px;
}

.record-metrics > div {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.record-metrics span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.record-metrics strong {
  font-size: 1.35rem;
}

.record-section {
  margin-top: 26px;
}

.record-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.record-section-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.record-section-head span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.field-stat-list {
  display: grid;
  gap: 12px;
}

.field-stat {
  display: grid;
  gap: 7px;
}

.field-stat > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
}

.field-stat > div:first-child span {
  color: var(--muted);
  font-weight: 800;
}

.field-stat-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e7eb;
}

.field-stat-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.field-stat.is-unanswered .field-stat-track {
  border: 1px dashed #cbd5e1;
  background: repeating-linear-gradient(135deg, #f8fafc 0 7px, #eef2f6 7px 14px);
}

.field-stat.is-unanswered .field-stat-track span {
  display: none;
}

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

.record-question-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  cursor: pointer;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease,
    transform 120ms ease;
}

.record-question-item:hover,
.record-question-item:focus-within {
  border-color: rgba(15, 118, 110, 0.42);
  background: var(--accent-soft);
  box-shadow: 0 6px 18px rgba(15, 118, 110, 0.08);
}

.record-question-item:active {
  transform: translateY(1px);
}

.record-question-open {
  min-width: 0;
  align-self: stretch;
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.record-question-open:hover p,
.record-question-open:focus-visible p {
  color: var(--accent-dark);
}

.record-question-open p {
  margin: 0 0 5px;
  line-height: 1.55;
}

.record-question-open span {
  color: var(--muted);
  font-size: 0.78rem;
}

.record-question-item > .check-question-button {
  margin-right: 12px;
}

.record-empty,
.record-lead {
  margin: 0;
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.record-actions {
  display: inline-grid;
  grid-template-columns: max-content;
  max-width: 100%;
  gap: 10px;
  margin-top: 28px;
}

.record-list-button {
  width: 100%;
}

.record-bottom-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-top: 32px;
}

.record-bottom-back {
  display: block;
  margin: 0 0 0 auto;
}

.record-privacy-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(102, 112, 133, 0.16);
  color: #98a2b3;
  font-size: 0.72rem;
  line-height: 1.6;
  text-align: left;
}

.clear-record-dialog {
  width: min(460px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: 10px;
  box-shadow: 0 24px 70px rgba(24, 32, 42, 0.24);
}

.clear-record-dialog::backdrop {
  background: rgba(24, 32, 42, 0.5);
}

.clear-record-dialog form {
  padding: 24px;
}

.clear-record-dialog h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.clear-record-dialog p {
  margin: 0;
  color: #475467;
  line-height: 1.7;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.choice-stat-list {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.shared-stats-disabled {
  margin-top: 12px !important;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: var(--muted);
  font-size: 0.86rem;
}

.choice-stat {
  position: relative;
  min-height: 40px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 54px;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.choice-stat-list.session-review .choice-stat {
  grid-template-columns: 32px minmax(0, 1fr);
}

.choice-stat::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: transparent;
}

.choice-stat.correct {
  border-color: rgba(19, 115, 51, 0.42);
}

.choice-stat.correct::before {
  width: 100%;
  background: rgba(19, 115, 51, 0.14);
}

.choice-stat.selected:not(.correct) {
  border-color: rgba(180, 35, 24, 0.38);
}

.choice-stat.selected:not(.correct)::before {
  width: 100%;
  background: rgba(180, 35, 24, 0.11);
}

.choice-stat-label,
.choice-stat-text,
.choice-stat-rate {
  position: relative;
  z-index: 1;
}

.choice-stat-label {
  display: grid;
  place-items: center;
  height: 100%;
  background: rgba(238, 241, 244, 0.78);
  font-weight: 900;
}

.choice-stat-text {
  min-width: 0;
  padding: 8px 0;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.choice-review-marker {
  margin-left: 0.35em;
  color: var(--muted);
  font-size: 0.82em;
  font-weight: 800;
  white-space: nowrap;
}

.choice-stat-rate {
  color: #26323f;
  font-weight: 900;
  text-align: right;
}

.end-message {
  margin: 24px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: #344054;
  line-height: 1.7;
}

[hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 20px, 920px);
    padding: 14px 0;
  }

  .ad-slot,
  .info-header {
    width: min(100% - 20px, 920px);
  }

  .ad-slot {
    min-height: 96px;
  }

  .info-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .info-shell {
    width: min(100% - 20px, 760px);
    padding-top: 24px;
  }

  .start-panel {
    min-height: 430px;
  }

  .start-layout {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 24px;
  }

  .start-panel h1 {
    font-size: clamp(1.8rem, 12vw, 3rem);
  }

  .status-bar {
    grid-template-columns: 1fr;
  }

  .segmented-control {
    grid-template-columns: 1fr;
  }

  .question-panel,
  .summary-panel,
  .record-panel {
    min-height: auto;
    padding: 14px;
  }

  .question-head,
  .summary-head,
  .view-heading,
  .actions,
  .finish-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .record-title-line {
    flex-wrap: wrap;
  }

  .summary-score-row,
  .lifetime-summary {
    grid-template-columns: minmax(0, 1fr) auto 58px;
  }

  .history-pill {
    max-width: none;
    text-align: left;
  }

  .stem {
    font-size: 1rem;
  }

  .choice-button {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .choice-stat {
    grid-template-columns: 30px minmax(0, 1fr) 48px;
  }

  .summary-item-head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto auto auto;
    gap: 8px;
    padding: 9px 10px;
  }

  .summary-item-head .check-question-button {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

  .summary-chatgpt-link {
    grid-column: 2 / 4;
    grid-row: 2;
    justify-self: end;
  }

  .scope-report-action {
    grid-column: 2 / 4;
    grid-row: 3;
    justify-self: end;
    align-self: start;
  }

  .scope-report-button {
    min-height: 25px;
    padding: 0 7px;
    font-size: 0.7rem;
  }

  .record-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .record-question-item {
    grid-template-columns: 1fr;
  }

  .record-question-item .check-question-button {
    justify-self: start;
    margin: 0 12px 12px;
  }

  .start-actions,
  .start-actions > button,
  .record-actions > button {
    width: 100%;
  }
}