:root {
  --ink: #1e2f3a;
  --ink-soft: rgba(30, 47, 58, 0.62);
  --ink-mute: rgba(30, 47, 58, 0.42);
  --ink-line: rgba(30, 47, 58, 0.1);
  --paper: #f3f1ec;
  --paper-card: #faf9f6;
  --accent: #3f6a62;
  --accent-soft: rgba(63, 106, 98, 0.14);
  --radius: 14px;
  --shadow: 0 10px 28px rgba(30, 47, 58, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 360ms;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", Times, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
}

button,
input {
  font-family: inherit;
}

button {
  color: inherit;
}

#app {
  position: relative;
  min-height: 100dvh;
}

.screen {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
}

.screen.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear 0s;
}

.screen.is-leaving {
  opacity: 0;
  visibility: visible;
  pointer-events: none;
  transform: translateY(-10px);
}

.shell {
  width: min(100%, 640px);
  height: 100%;
  margin: 0 auto;
  padding: 28px 20px 48px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.shell--home,
.shell--calc {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.shell--home {
  width: min(100%, 480px);
  padding-top: 48px;
  padding-bottom: 64px;
}

.shell--quiz {
  width: min(100%, 560px);
  padding-top: 16px;
}

.serif {
  font-family: var(--font-serif);
  font-variant-numeric: lining-nums;
}

.kicker {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.home-title {
  margin: 0 0 16px;
  font-size: clamp(32px, 8vw, 42px);
  font-weight: 560;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.home-subtitle {
  margin: 0 0 36px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.intro {
  margin-bottom: 36px;
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}

.intro-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.intro-toggle-icon {
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
  transform-origin: 60% 60%;
}

.intro-toggle[aria-expanded="true"] .intro-toggle-icon {
  transform: rotate(225deg);
}

.intro-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur) var(--ease);
}

.intro-panel.is-open {
  grid-template-rows: 1fr;
}

.intro-panel-inner {
  overflow: hidden;
  min-height: 0;
}

.intro-copy {
  margin: 0 0 22px;
  padding-bottom: 8px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
}

.intro-copy p {
  margin: 0 0 12px;
}

.intro-copy p:last-child {
  margin-bottom: 0;
}

.intro-block {
  margin-bottom: 20px;
}

.intro-block:last-child {
  margin-bottom: 0;
}

.intro-block h3 {
  margin: 0 0 8px;
  font-size: 12.5px;
  font-weight: 560;
  letter-spacing: 0.14em;
  color: var(--ink);
}

.deco {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  color: var(--ink);
}

.deco svg {
  width: 100%;
  height: 100%;
  opacity: 0.07;
}

.deco path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.1;
  stroke-linecap: round;
}

.deco--result svg {
  opacity: 0.055;
}

.shell {
  position: relative;
  z-index: 1;
}

.intro-dims {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.intro-dims li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--ink-line);
  font-size: 13.5px;
}

.intro-dims li:last-child {
  border-bottom: 1px solid var(--ink-line);
}

.intro-dim-name {
  color: var(--ink);
}

.intro-dim-poles {
  color: var(--ink-mute);
  font-size: 12.5px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 15px;
  letter-spacing: 0.06em;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.btn:disabled {
  cursor: wait;
  opacity: 0.6;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #f7f6f2;
}

.btn-primary:hover {
  background: #365c55;
}

.btn-ghost {
  width: 100%;
  background: transparent;
  border-color: var(--ink-line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: rgba(30, 47, 58, 0.28);
}

.home-meta {
  margin: 18px 0 0;
  text-align: center;
  color: var(--ink-mute);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.quiz-bar {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.icon-btn:disabled {
  opacity: 0.28;
  cursor: default;
}

.icon-btn--ghost {
  pointer-events: none;
}

.quiz-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.quiz-count {
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.quiz-count .serif {
  font-size: 15px;
  color: var(--ink);
}

.quiz-count-sep {
  margin: 0 3px;
  color: var(--ink-mute);
}

.progress-track {
  width: 100%;
  height: 2px;
  overflow: hidden;
  background: var(--ink-line);
  border-radius: 1px;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transform-origin: left center;
  transition: width 380ms var(--ease);
}

.quiz-card {
  padding: 8px 0 24px;
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

.quiz-card.is-swap {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.quiz-prompt {
  margin: 0 0 28px;
  font-size: clamp(18px, 4.6vw, 22px);
  font-weight: 500;
  line-height: 1.65;
  outline: none;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  background: var(--paper-card);
  box-shadow: var(--shadow);
  text-align: left;
  cursor: pointer;
  transition: background-color 280ms var(--ease), border-color 280ms var(--ease);
}

.option:hover {
  border-color: rgba(63, 106, 98, 0.45);
}

.option.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option-key {
  flex: 0 0 auto;
  width: 1.1em;
  margin-top: 1px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-mute);
}

.option.is-selected .option-key {
  color: var(--accent);
}

.option-text {
  flex: 1;
  font-size: 15px;
  line-height: 1.6;
}

.shell--calc {
  align-items: center;
  text-align: center;
}

.calc-ring {
  width: 80px;
  height: 80px;
  margin-bottom: 28px;
}

.calc-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.calc-track,
.calc-arc {
  fill: none;
  stroke-width: 1.6;
}

.calc-track {
  stroke: var(--ink-line);
}

.calc-arc {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 176;
  stroke-dashoffset: 176;
}

.calc-arc.is-running {
  animation: ring-fill 1.8s var(--ease) forwards;
}

.screen.is-capturing {
  transform: none;
}

.screen.is-capturing .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.calc-copy {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

@keyframes ring-fill {
  to {
    stroke-dashoffset: 18;
  }
}

.report {
  padding: 24px 16px 20px;
  background: var(--paper);
}

.report-head {
  text-align: center;
  margin-bottom: 8px;
}

.type-code {
  margin: 0 0 8px;
  font-size: clamp(48px, 14vw, 72px);
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1;
}

.type-code .code-ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px);
  animation: code-in 480ms var(--ease) forwards;
}

@keyframes code-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.type-name {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 560;
  letter-spacing: 0.12em;
}

.type-tagline {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 15px;
}

.type-summary {
  margin: 0 auto 8px;
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}

.pace-note {
  display: none;
  margin: 0 auto 18px;
  max-width: 28em;
  padding: 8px 12px;
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  color: var(--ink-mute);
  font-size: 12.5px;
  line-height: 1.7;
}

.pace-note.is-on {
  display: block;
}

.chart-block {
  margin: 8px 0 28px;
  padding: 8px 0 4px;
}

.chart-switch {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-bottom: 18px;
}

.chart-switch-btn {
  padding: 4px 0 8px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--ink-mute);
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.chart-switch-btn.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.chart-panel[hidden] {
  display: none !important;
}

.radar-wrap {
  position: relative;
  width: min(100%, 380px);
  margin: 0 auto;
  aspect-ratio: 1;
}

.radar-wrap canvas,
.bar-chart-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.bar-chart-wrap {
  position: relative;
  width: 100%;
  height: 260px;
}

.dim-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dim-card {
  padding: 20px 18px 18px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  background: var(--paper-card);
  box-shadow: var(--shadow);
}

.dim-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 6px;
}

.dim-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  color: var(--accent);
}

.dim-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.dim-head-main {
  flex: 1;
  min-width: 0;
}

.dim-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.dim-name {
  font-size: 15px;
  font-weight: 560;
  letter-spacing: 0.04em;
}

.dim-score {
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.dim-label {
  margin: 0;
  color: var(--ink-mute);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.dim-note {
  margin: 6px 0 12px;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.dim-note--mid {
  color: var(--ink-soft);
}

.bar-wrap {
  position: relative;
  margin-bottom: 16px;
  padding-bottom: 16px;
}

.bar-track {
  height: 6px;
  overflow: hidden;
  background: var(--ink-line);
  border-radius: 99px;
}

.bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width 1.1s var(--ease);
}

.bar-mid {
  position: absolute;
  top: -4px;
  width: 1px;
  height: 14px;
  background: rgba(30, 47, 58, 0.28);
  transform: translateX(-50%);
}

.bar-mid-cap {
  position: absolute;
  top: 16px;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 10px;
  color: var(--ink-mute);
}

.dim-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
}

.prevalence {
  margin: 28px 0 8px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-line);
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.85;
  text-align: center;
}

.method {
  margin-top: 8px;
  border-top: 1px solid var(--ink-line);
}

.method .intro-toggle {
  letter-spacing: 0.08em;
  font-size: 13px;
}

.method-copy {
  padding-bottom: 12px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
}

.method-copy p {
  margin: 0 0 10px;
}

.method-copy p:last-child {
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
  padding-bottom: 24px;
}

@media (min-width: 640px) {
  .result-actions {
    flex-direction: row;
  }

  .result-actions .btn {
    flex: 1;
  }

  .dim-card {
    padding: 22px 22px 20px;
  }
}

@media (max-width: 380px) {
  .type-code {
    letter-spacing: 0.08em;
  }

  .option {
    padding: 12px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .screen,
  .quiz-card,
  .reveal,
  .deco {
    transform: none !important;
  }

  .reveal {
    opacity: 1;
  }
}