:root {
  --bg: #fffaf5;
  --surface: #ffffff;
  --surface-soft: #fff7ee;
  --surface-strong: #ffefd9;
  --text: #251a12;
  --muted: #7d6858;
  --line: #efcfb0;
  --line-strong: #d89c62;
  --accent: #eb8a2f;
  --accent-deep: #b85c00;
  --danger: #b63d21;
  --success: #1f7a48;
  --focus-ring: rgba(184, 92, 0, 0.18);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --fs-caption: 12px;
  --fs-body: 14px;
  --fs-subtitle: 16px;
  --fs-title: 18px;
  --fs-page-title: 22px;
  --lh-caption: 1.5;
  --lh-body: 1.6;
  --lh-title: 1.3;
  --radius-control: 8px;
  --radius-panel: 8px;
  --radius-pill: 999px;
  --border-width: 1.5px;
  --control-height: 40px;
  --control-height-lg: 44px;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-text-size-adjust: 100%;
}

body {
  padding: 0;
}

button,
select,
input {
  font: inherit;
  color: inherit;
}

button {
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}

button:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

svg {
  display: block;
}

.app-shell {
  width: min(100%, 430px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 var(--space-4) calc(var(--space-6) + env(safe-area-inset-bottom));
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 40px 1fr 56px;
  align-items: center;
  gap: var(--space-2);
  height: 68px;
  margin: 0 calc(var(--space-4) * -1);
  padding: 14px var(--space-4) 10px;
  background: rgba(255, 250, 245, 0.96);
  border-bottom: 1px solid rgba(216, 156, 98, 0.28);
  backdrop-filter: blur(12px);
}

.top-bar h1 {
  margin: 0;
  text-align: center;
  font-size: var(--fs-page-title);
  font-weight: 800;
  line-height: var(--lh-title);
}

.view {
  display: none;
  padding-top: var(--space-4);
}

.view.is-active {
  display: block;
}

.icon-button,
.text-button,
.secondary-button,
.primary-button,
.ghost-button,
.chip,
.option-button,
.sheet-cell,
.module-button,
.count-button,
.link-button,
.recommend-button,
.focus-button,
.filter-pill,
.segmented button,
.inline-input {
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-control);
  transition:
    transform 0.16s ease,
    background-color 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease;
}

.icon-button:active,
.text-button:active,
.secondary-button:active,
.primary-button:active,
.ghost-button:active,
.chip:active,
.option-button:active,
.sheet-cell:active,
.module-button:active,
.count-button:active,
.recommend-button:active,
.focus-button:active,
.segmented button:active,
.filter-pill:active {
  transform: translateY(1px);
}

.icon-button,
.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
}

.module-button,
.count-button,
.recommend-button,
.focus-button,
.filter-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.icon-button {
  width: 40px;
  min-width: 40px;
  background: var(--surface);
}

.icon-button::before {
  width: 10px;
  height: 10px;
  content: "";
  border-left: 2px solid var(--accent-deep);
  border-bottom: 2px solid var(--accent-deep);
  transform: rotate(45deg);
}

.back-button.is-hidden,
.text-button.is-hidden {
  display: inline-flex !important;
  visibility: hidden;
}

.text-button {
  min-width: 56px;
  color: var(--accent-deep);
  font-size: var(--fs-body);
  font-weight: 700;
  border-color: transparent;
}

.panel,
.chart-card,
.question-card,
.result-card,
.settings-card,
.export-card {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
}

.panel-title,
.section-title,
.chart-title {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: var(--lh-title);
}

.question-title {
  margin: 0;
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: var(--lh-title);
}

.section-title.small,
.chart-title.small {
  font-size: var(--fs-subtitle);
}

.caption,
.subtle-text,
.note-text,
.meta-text {
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
}

.note-text {
  margin: 0;
}

.stack {
  display: grid;
  gap: var(--space-3);
}

.stack-top-gap {
  margin-top: var(--space-3);
}

.summary-panel {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-soft);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-control);
}

.hero-chart {
  display: grid;
  gap: var(--space-4);
}

.chart-shell {
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.chart-shell.single {
  grid-template-columns: 1fr;
  justify-items: center;
}

.chart-wrap {
  position: relative;
  display: grid;
  place-items: center;
  width: 160px;
  height: 160px;
  margin: 0 auto;
}

.chart-center {
  position: absolute;
  display: grid;
  gap: var(--space-1);
  justify-items: center;
  text-align: center;
}

.chart-total {
  font-size: var(--fs-page-title);
  font-weight: 800;
  line-height: 1;
}

.chart-center .caption {
  font-size: 11px;
}

.chart-legend {
  display: grid;
  gap: var(--space-2);
}

.legend-item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  min-height: 26px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  border: var(--border-width) solid currentColor;
  background: var(--surface);
}

.legend-label {
  min-width: 0;
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.4;
}

.legend-value {
  color: var(--muted);
  font-size: var(--fs-caption);
  white-space: nowrap;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.module-button,
.recommend-button,
.focus-button,
.secondary-button,
.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 10px var(--space-3);
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.4;
  background: var(--surface);
}

.primary-button,
.secondary-button,
.ghost-button,
.module-button,
.recommend-button,
.focus-button {
  min-height: var(--control-height-lg);
}

.module-button {
  justify-content: flex-start;
  text-align: left;
}

.module-button > span,
.recommend-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.module-button strong,
.recommend-button strong {
  display: block;
  font-size: var(--fs-body);
}

.module-button span span,
.recommend-button span span {
  display: block;
  color: var(--muted);
  font-size: var(--fs-caption);
  font-weight: 500;
  line-height: var(--lh-caption);
}

.focus-button {
  justify-content: space-between;
  padding-inline: 14px;
  color: var(--accent-deep);
  background: var(--surface-soft);
}

.recommend-list {
  display: grid;
  gap: var(--space-2);
}

.recommend-button {
  justify-content: space-between;
  padding-inline: 14px;
  text-align: left;
}

.filter-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
}

.filter-pill {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
  padding: 0 28px 0 var(--space-3);
  background: var(--surface);
  color: var(--text);
  text-align: center;
}

.filter-pill::after {
  position: absolute;
  top: 50%;
  right: var(--space-3);
  width: 7px;
  height: 7px;
  content: "";
  border-right: 1.5px solid var(--accent-deep);
  border-bottom: 1.5px solid var(--accent-deep);
  transform: translateY(-60%) rotate(45deg);
}

.filter-pill select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.filter-pill-title {
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.25;
}

.filter-pill-button {
  width: 100%;
}

.filter-pill-direct::after {
  display: none;
}

.tree-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.tree-list {
  display: grid;
  gap: var(--space-3);
}

.tree-group {
  padding: 14px;
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-panel);
}

.tree-node {
  padding-top: var(--space-3);
}

.tree-node:first-child {
  padding-top: 0;
}

.tree-node-branch {
  margin-top: var(--space-2);
  margin-left: var(--space-3);
  padding-left: var(--space-3);
  border-left: 1px dashed var(--line);
}

.tree-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: flex-start;
}

.tree-expand {
  position: relative;
  width: 24px;
  min-width: 24px;
  height: 24px;
  margin-top: 2px;
  background: var(--surface);
  border-radius: 6px;
}

.tree-expand::before {
  position: absolute;
  inset: 0;
  width: 7px;
  height: 7px;
  margin: auto;
  content: "";
  border-right: 1.5px solid var(--accent-deep);
  border-bottom: 1.5px solid var(--accent-deep);
  transform: rotate(-45deg);
}

.tree-expand.is-open::before {
  transform: rotate(45deg) translate(-1px, -1px);
}

.tree-expand.is-leaf {
  border-color: transparent;
  background: transparent;
}

.tree-expand.is-leaf::before {
  width: 8px;
  height: 1.5px;
  border: 0;
  background: var(--line-strong);
  transform: none;
}

.tree-info {
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.tree-label {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
}

.tree-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tree-meta strong {
  display: inline-flex;
  color: var(--accent-deep);
  font-size: var(--fs-caption);
  font-weight: 700;
}

.count-button {
  min-width: 72px;
  min-height: var(--control-height);
  padding: 0 var(--space-3);
  color: var(--accent-deep);
  font-size: var(--fs-body);
  font-weight: 700;
  white-space: nowrap;
  background: var(--surface-soft);
  align-self: center;
}

.count-button.is-disabled {
  color: var(--muted);
  border-color: var(--line);
  background: var(--surface);
}

.stubborn-note {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-soft);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-control);
}

.cta-stack {
  position: sticky;
  bottom: 0;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  background: linear-gradient(180deg, rgba(255, 250, 245, 0), rgba(255, 250, 245, 0.98) 30%);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--control-height-lg);
  padding: 0 var(--space-4);
  text-align: center;
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  text-align: center;
  color: var(--accent-deep);
  background: var(--surface);
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  text-align: center;
  color: var(--accent-deep);
  background: var(--surface-soft);
  border-style: dashed;
}

.secondary-button.muted {
  color: var(--text);
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.button-row-top {
  margin-top: var(--space-4);
}

.button-row-bottom {
  margin-bottom: var(--space-3);
}

.settings-section {
  display: grid;
  gap: var(--space-5);
}

.field-label {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: var(--lh-title);
}

.settings-block-title {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: var(--lh-title);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.segmented.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.segmented button,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
  padding: 0 var(--space-3);
  background: var(--surface);
  font-size: var(--fs-body);
  font-weight: 700;
  text-align: center;
}

.segmented button.is-selected,
.chip.is-selected,
.option-button.is-selected {
  color: var(--accent-deep);
  background: var(--surface-strong);
  border-color: var(--accent-deep);
}

.inline-input {
  width: 100%;
  min-height: var(--control-height);
  padding: 0 var(--space-3);
  color: var(--text);
  background: var(--surface);
}

.mode-rule-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr);
  align-items: center;
  width: 100%;
  margin-top: var(--space-3);
}

.mode-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 34px;
  padding: 0 var(--space-3);
  color: var(--accent-deep);
  font-size: var(--fs-caption);
  font-weight: 700;
  background: var(--surface-soft);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
}

.mode-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  color: var(--line-strong);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}

.settings-save-button {
  justify-content: center;
}

.summary-list,
.metric-grid,
.setting-summary {
  display: grid;
  gap: var(--space-2);
}

.summary-row,
.setting-summary-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 22px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.summary-row strong,
.setting-summary-row strong {
  text-align: right;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  padding: var(--space-3);
  text-align: center;
  background: var(--surface-soft);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-control);
}

.metric-card strong {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-page-title);
  font-weight: 800;
  line-height: 1.1;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
}

.question-header {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.question-header-spaced {
  margin-top: var(--space-3);
}

.question-index {
  color: var(--accent-deep);
  font-size: var(--fs-caption);
  font-weight: 700;
  line-height: var(--lh-caption);
}

.tag-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 var(--space-2);
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: 11px;
  line-height: 1.3;
}

.question-stem {
  margin: 0 0 var(--space-4);
  font-size: var(--fs-subtitle);
  font-weight: 700;
  line-height: 1.7;
}

.question-stem p {
  margin: 0;
}

.question-stem p + p {
  margin-top: var(--space-2);
}

.question-card-refined {
  padding-top: var(--space-5);
}

.question-breadcrumb {
  margin-top: var(--space-4);
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.question-refined-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: var(--space-3) 0 var(--space-2);
}

.question-type-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 10px;
  color: var(--accent-deep);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-caption);
  font-weight: 700;
  line-height: 1;
}

.question-stem-refined {
  margin-bottom: var(--space-5);
  color: #1f2f52;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.65;
}

.virtual-question-note {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: rgba(235, 138, 47, 0.08);
  border: 1px dashed rgba(216, 156, 98, 0.72);
  border-radius: var(--radius-control);
}

.virtual-question-note strong {
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
}

.virtual-question-note span {
  color: var(--muted);
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
}

.option-list {
  display: grid;
  gap: var(--space-3);
}

.option-list-refined {
  gap: var(--space-4);
}

.option-button {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  text-align: left;
  background: var(--surface);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.option-button-refined {
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  min-height: 72px;
  padding: var(--space-4);
  border-color: rgba(216, 156, 98, 0.52);
  border-radius: 14px;
}

.option-button.is-selected .option-mark {
  border-color: var(--accent-deep);
}

.option-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: var(--fs-caption);
  font-weight: 700;
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-pill);
}

.option-mark-refined {
  width: 40px;
  height: 40px;
  color: #5b6f92;
  font-size: 18px;
  border-color: #d7deea;
}

.option-copy {
  display: block;
  color: #223454;
  font-size: 16px;
  line-height: 1.7;
}

.option-button.is-correct {
  color: var(--success);
  background: rgba(31, 122, 72, 0.08);
  border-color: rgba(31, 122, 72, 0.55);
}

.option-button.is-wrong {
  color: var(--danger);
  background: rgba(182, 61, 33, 0.08);
  border-color: rgba(182, 61, 33, 0.55);
}

.option-button.is-correct .option-mark,
.option-button.is-wrong .option-mark {
  border-color: currentColor;
}

.option-button-refined.is-selected {
  background: rgba(235, 138, 47, 0.08);
}

.option-button-refined.is-selected .option-mark-refined {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.option-button-refined.is-correct {
  color: var(--success);
  background: rgba(31, 122, 72, 0.08);
  border-color: rgba(31, 122, 72, 0.5);
}

.option-button-refined.is-wrong {
  color: var(--danger);
  background: rgba(182, 61, 33, 0.08);
  border-color: rgba(182, 61, 33, 0.5);
}

.option-button-refined.is-correct .option-mark-refined,
.option-button-refined.is-wrong .option-mark-refined {
  color: currentColor;
  border-color: currentColor;
  background: rgba(255, 255, 255, 0.95);
}

.analysis-box {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--surface-soft);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-control);
}

.analysis-box h3,
.analysis-box p {
  margin: 0;
}

.analysis-box h3 {
  font-size: var(--fs-subtitle);
  line-height: var(--lh-title);
}

.analysis-box .html-content,
.analysis-box .plain-analysis {
  color: var(--text);
  font-size: var(--fs-body);
  line-height: 1.7;
}

.analysis-actions,
.practice-actions,
.result-actions,
.export-actions {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.single-action {
  display: grid;
  grid-template-columns: 1fr;
}

.analysis-panel-inline {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(216, 156, 98, 0.5);
}

.analysis-answer-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--accent-deep);
  font-size: var(--fs-caption);
  font-weight: 700;
  line-height: var(--lh-caption);
}

.analysis-inline-copy {
  color: var(--text);
  font-size: var(--fs-body);
  line-height: 1.8;
}

.result-panel-title {
  margin-bottom: var(--space-4);
  text-align: center;
}

.result-pie-card {
  margin-bottom: 0;
  padding: var(--space-4);
}

.result-chart-shell {
  align-items: center;
}

.result-chart-wrap {
  position: relative;
}

.result-chart-legend {
  width: 100%;
}

.same-knowledge-report-card {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.same-knowledge-title {
  margin: 0;
  text-align: center;
  font-size: var(--fs-subtitle);
  font-weight: 800;
  line-height: var(--lh-title);
}

.same-knowledge-tree {
  display: grid;
  gap: var(--space-2);
}

.same-knowledge-tree-row {
  align-items: center;
}

.same-knowledge-action {
  justify-content: center;
}

.result-actions-top {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.status-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-soft);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-control);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.sheet-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2);
}

.sheet-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-lg);
  background: var(--surface);
  font-weight: 700;
}

.sheet-cell.is-answered {
  background: var(--surface-strong);
  border-color: var(--accent-deep);
}

.sheet-cell.is-current {
  color: var(--accent-deep);
}

.sheet-cell.is-right {
  color: var(--success);
  border-color: rgba(31, 122, 72, 0.55);
}

.sheet-cell.is-wrong {
  color: var(--danger);
  border-color: rgba(182, 61, 33, 0.55);
}

.export-list {
  display: grid;
  gap: var(--space-2);
}

.export-list-top {
  margin-top: var(--space-3);
}

.check-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-control);
}

.check-row > span {
  display: grid;
  gap: var(--space-1);
}

.check-row input {
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.export-preview {
  padding: var(--space-4);
  background: repeating-linear-gradient(
    -24deg,
    rgba(235, 138, 47, 0.08),
    rgba(235, 138, 47, 0.08) 10px,
    rgba(255, 255, 255, 0.84) 10px,
    rgba(255, 255, 255, 0.84) 20px
  );
  border: var(--border-width) dashed var(--line-strong);
  border-radius: var(--radius-panel);
}

.watermark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 10px;
  margin-bottom: var(--space-3);
  color: var(--accent-deep);
  border: 1px dashed var(--accent-deep);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
}

.preview-question {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--line);
}

.preview-question:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.preview-question h4 {
  margin: 0 0 var(--space-1);
  font-size: var(--fs-body);
  line-height: 1.5;
}

.preview-question p,
.preview-question li {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.preview-question ul {
  padding-left: 18px;
  margin: var(--space-2) 0 0;
}

.caption-spaced {
  display: block;
  margin-top: var(--space-3);
}

.empty-state {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  background: var(--surface-soft);
  border: var(--border-width) dashed var(--line-strong);
  border-radius: var(--radius-panel);
}

.empty-state strong {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--fs-subtitle);
  line-height: var(--lh-title);
}

.entry-gate-card {
  min-height: calc(100vh - 168px);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: var(--space-3);
  text-align: center;
}

.entry-gate-card .primary-button {
  width: auto;
  min-width: 160px;
  padding-inline: var(--space-4);
}

.home-report-card {
  gap: var(--space-3);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.home-report-title,
.home-chart-heading {
  margin: 0;
  text-align: center;
}

.home-report-title {
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: var(--lh-title);
}

.home-chart-heading {
  font-size: var(--fs-subtitle);
  font-weight: 700;
  line-height: var(--lh-title);
}

.home-chart-shell {
  display: grid;
  grid-template-columns: minmax(0, 148px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
}

.home-chart-wrap {
  width: 148px;
  height: 148px;
  padding-bottom: 18px;
}

.home-focus-button {
  position: absolute;
  right: -4px;
  bottom: 6px;
  z-index: 1;
  width: auto;
  min-height: 32px;
  padding: 0 10px;
  font-size: var(--fs-caption);
  font-weight: 700;
  color: var(--accent-deep);
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-pill);
}

.home-chart-legend {
  gap: 6px;
}

.home-chart-legend .legend-item {
  min-height: 22px;
}

.home-chart-legend .legend-label {
  font-size: 13px;
}

.home-module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.home-module-button {
  min-height: 40px;
  padding: 8px 10px;
  justify-content: center;
  text-align: center;
}

.home-module-button strong {
  font-size: var(--fs-body);
}

.home-filter-strip {
  margin-bottom: var(--space-3);
}

.home-filter-strip .filter-pill {
  min-height: 38px;
  padding: 0 10px;
  font-size: 13px;
}

.home-tree-panel {
  padding-top: var(--space-3);
}

.home-tree-panel .tree-list {
  gap: var(--space-2);
}

.home-tree-panel .tree-group {
  padding: var(--space-3);
}

.home-tree-panel .tree-node {
  padding-top: 10px;
}

.home-tree-panel .tree-node-branch {
  margin-top: 6px;
  margin-left: var(--space-3);
  padding-left: var(--space-3);
}

.home-tree-panel .tree-row {
  gap: 10px;
}

.home-tree-panel .tree-meta {
  gap: var(--space-2);
}

.home-tree-panel .count-button {
  min-width: 64px;
}

.stubborn-note-inline {
  margin-top: var(--space-3);
}

.home-cta-stack {
  margin-top: var(--space-4);
}

#timeRangeModalRoot {
  position: relative;
  z-index: 60;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(37, 26, 18, 0.18);
}

.modal-card {
  width: min(100%, 430px);
  padding: var(--space-4);
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: 16px 16px 8px 8px;
  box-shadow: 0 8px 24px rgba(37, 26, 18, 0.08);
}

.modal-head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.modal-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.modal-action-button {
  min-height: var(--control-height);
}

.date-range-grid {
  display: grid;
  gap: var(--space-3);
}

.date-field {
  display: grid;
  gap: var(--space-2);
}

.modal-caption {
  margin-top: var(--space-3);
}

.is-hidden {
  display: none !important;
}

@media (max-width: 380px) {
  .chart-shell {
    grid-template-columns: 1fr;
  }

  .home-chart-shell {
    grid-template-columns: 1fr;
  }

  .home-chart-wrap {
    margin-bottom: var(--space-1);
  }

  .tree-header {
    flex-direction: column;
  }

  .metric-grid,
  .button-row,
  .action-row {
    grid-template-columns: 1fr;
  }

  .sheet-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 360px) {
  .button-grid,
  .filter-strip {
    grid-template-columns: 1fr;
  }

  .home-module-grid,
  .home-filter-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tree-row {
    grid-template-columns: 24px minmax(0, 1fr);
  }

  .count-button {
    grid-column: 2 / -1;
    justify-self: start;
  }
}

.home-report-card {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.home-report-head {
  margin-bottom: var(--space-3);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216, 156, 98, 0.2);
}

.home-report-title {
  margin: 0;
  text-align: center;
}

.home-report-body {
  display: grid;
  gap: var(--space-3);
}

.home-chart-shell {
  margin-top: -4px;
  align-items: start;
}

.home-chart-wrap {
  width: 148px;
  height: 148px;
  padding-bottom: 0;
}

.pie-percent-label {
  fill: var(--accent-deep);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.home-focus-row {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
  margin-top: -4px;
}

.home-focus-button {
  position: static;
  width: auto;
  min-height: 32px;
  padding: 0 12px;
  font-size: var(--fs-caption);
  font-weight: 700;
  color: var(--accent-deep);
  background: var(--surface);
  border: var(--border-width) solid var(--line-strong);
  border-radius: var(--radius-pill);
}

.home-focus-note {
  padding-left: 2px;
}

.home-module-grid {
  margin-top: 2px;
}

.home-tree-card {
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  background: linear-gradient(180deg, #fff7ee 0%, #fffdf9 100%);
  border: 1px solid rgba(216, 156, 98, 0.28);
  box-shadow: 0 12px 26px rgba(235, 138, 47, 0.08);
}

.home-filter-strip {
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(216, 156, 98, 0.18);
}

.home-filter-strip .filter-pill {
  min-height: 38px;
  background: rgba(255, 255, 255, 0.84);
}

.home-tree-panel {
  padding-top: 0;
}

.home-tree-panel .tree-list {
  gap: var(--space-2);
}

.home-tree-panel .tree-group {
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.72);
}

.home-tree-panel .tree-node {
  padding-top: 10px;
}

.home-tree-panel .tree-node-branch {
  margin-top: 6px;
  margin-left: var(--space-3);
  padding-left: var(--space-3);
}

.home-tree-panel .tree-row {
  gap: 10px;
}

.home-tree-panel .tree-meta {
  gap: var(--space-2);
}

.home-tree-panel .count-button {
  min-width: 64px;
}

.stubborn-note-inline {
  margin-top: var(--space-3);
}

.home-cta-stack {
  margin-top: var(--space-3);
}

.home-all-button {
  justify-content: center;
  text-align: center;
}

.module-report-card {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.module-report-head {
  margin-bottom: var(--space-3);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216, 156, 98, 0.2);
}

.module-report-title {
  margin: 0;
  text-align: center;
}

.module-report-body {
  display: grid;
  gap: var(--space-3);
}

.module-chart-shell {
  display: grid;
  grid-template-columns: minmax(0, 152px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  margin-top: -4px;
}

.module-chart-wrap {
  width: 152px;
  height: 152px;
}

.module-chart-center {
  gap: 0;
}

.module-chart-label {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
}

.module-tree-card {
  margin-bottom: var(--space-3);
}

.focus-report-card {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.focus-report-head {
  margin-bottom: var(--space-3);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216, 156, 98, 0.2);
}

.focus-report-title {
  margin: 0;
  text-align: center;
  font-size: 20px;
}

.focus-report-body {
  display: grid;
  gap: var(--space-3);
}

.focus-chart-shell {
  display: grid;
  grid-template-columns: minmax(0, 152px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  margin-top: -4px;
}

.focus-chart-wrap {
  width: 152px;
  height: 152px;
}

.focus-chart-center {
  gap: 0;
}

.focus-chart-label {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
}

.focus-recommend-panel {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(216, 156, 98, 0.18);
}

.focus-recommend-title {
  margin: 0;
  font-size: var(--fs-subtitle);
  font-weight: 700;
  line-height: var(--lh-title);
}

.focus-recommend-list {
  display: grid;
  gap: var(--space-2);
}

.focus-recommend-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  min-height: 36px;
  padding: 0 var(--space-2);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(216, 156, 98, 0.2);
  border-radius: var(--radius-control);
}

.focus-recommend-rank {
  color: var(--accent-deep);
  font-size: var(--fs-caption);
  font-weight: 800;
  text-align: center;
}

.focus-recommend-name {
  min-width: 0;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.4;
}

.focus-recommend-count {
  color: var(--muted);
  font-size: var(--fs-caption);
  white-space: nowrap;
}

.focus-start-button {
  justify-content: center;
  text-align: center;
}

@media (max-width: 380px) {
  .home-chart-shell {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .home-chart-wrap {
    margin-bottom: 0;
  }

  .home-focus-row {
    margin-top: var(--space-1);
  }

  .module-chart-shell {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .module-chart-wrap {
    margin-bottom: 0;
  }

  .focus-chart-shell {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .focus-chart-wrap {
    margin-bottom: 0;
  }
}