:root {
  color-scheme: light;
  --ink: #17201f;
  --muted: #5f6865;
  --paper: #f4f0e8;
  --surface: #fffdf8;
  --line: #d7d0c3;
  --line-strong: #a9a296;
  --d: #c85642;
  --i: #a97109;
  --s: #2f806b;
  --c: #49669f;
  --shadow: 0 24px 70px rgba(30, 36, 34, 0.11);
  --radius-large: 28px;
  --radius-medium: 18px;
  --focus: #17201f;
  font-family:
    "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 32, 31, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 31, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 10px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--line-strong);
}

.wordmark {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  color: inherit;
  text-decoration: none;
}

.mark-grid {
  display: grid;
  grid-template-columns: repeat(2, 24px);
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 10px;
}

.mark-cell {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
}

.mark-d {
  background: var(--d);
}

.mark-i {
  color: var(--ink);
  background: #e4bd59;
}

.mark-s {
  background: var(--s);
}

.mark-c {
  background: var(--c);
}

.wordmark-copy {
  display: grid;
  gap: 1px;
}

.wordmark-copy strong {
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.wordmark-copy span {
  color: var(--muted);
  font-size: 0.76rem;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.back-link {
  padding: 8px 12px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.back-link:hover {
  background: var(--surface);
}

.privacy-chip {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.78rem;
  background: rgba(255, 253, 248, 0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.privacy-dot {
  width: 8px;
  height: 8px;
  background: var(--s);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(47, 128, 107, 0.12);
}

main {
  min-height: calc(100vh - 184px);
}

.screen {
  padding: 70px 0 76px;
}

.intro-screen {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: clamp(42px, 7vw, 90px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(4.4rem, 9vw, 7.4rem);
  font-weight: 780;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.intro-subtitle {
  margin: 16px 0 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 350;
  letter-spacing: 0.08em;
}

.intro-lead {
  max-width: 34rem;
  margin: 32px 0 0;
  color: #3e4744;
  font-size: 1.05rem;
  line-height: 1.9;
}

.boundary-note {
  max-width: 37rem;
  margin-top: 34px;
  padding: 18px 20px;
  background: rgba(255, 253, 248, 0.64);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
}

.boundary-note strong {
  font-size: 0.92rem;
}

.boundary-note p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.intro-card {
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid rgba(169, 162, 150, 0.72);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

.four-axis-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 32px;
}

.axis-mini {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.axis-mini span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  font-weight: 800;
  border-radius: 10px;
}

.axis-mini strong {
  font-size: 0.84rem;
  line-height: 1.4;
}

.axis-d span {
  background: var(--d);
}

.axis-i span {
  color: var(--ink);
  background: #e4bd59;
}

.axis-s span {
  background: var(--s);
}

.axis-c span {
  background: var(--c);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 14px;
}

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

.field span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 680;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
}

.privacy-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 20px 0;
  color: var(--muted);
}

.privacy-note > span {
  font-size: 1.2rem;
  line-height: 1.2;
}

.privacy-note p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.65;
}

.button {
  display: inline-flex;
  min-height: 50px;
  gap: 16px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-weight: 760;
  border-radius: 14px;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-2px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.button-primary {
  color: #fff;
  background: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 0 10px 24px rgba(23, 32, 31, 0.16);
}

.intro-card .button-primary {
  width: 100%;
}

.button-ghost {
  background: rgba(255, 253, 248, 0.62);
  border: 1px solid var(--line-strong);
}

.question-screen {
  max-width: 940px;
  margin: 0 auto;
}

.progress-header {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}

.progress-header .eyebrow {
  margin-bottom: 8px;
}

.progress-count {
  margin: 0;
  font-size: 1rem;
  font-weight: 780;
}

.progress-track {
  height: 8px;
  overflow: hidden;
  background: #dcd6ca;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 4.17%;
  height: 100%;
  background: var(--ink);
  border-radius: inherit;
  transition: width 220ms ease;
}

.question-card {
  padding: clamp(30px, 6vw, 70px);
  background: rgba(255, 253, 248, 0.96);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

.question-number {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.question-card h2 {
  max-width: 45rem;
  min-height: 4.8em;
  margin: 0;
  font-size: clamp(1.65rem, 3.7vw, 2.8rem);
  font-weight: 620;
  line-height: 1.65;
  letter-spacing: -0.02em;
}

.question-hint {
  margin: 16px 0 26px;
  color: var(--muted);
  font-size: 0.88rem;
}

.answer-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.answer-option {
  display: grid;
  min-height: 84px;
  gap: 6px;
  place-items: center;
  padding: 10px 6px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
}

.answer-option:hover {
  border-color: var(--ink);
}

.answer-option[aria-pressed="true"] {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--surface);
}

.answer-number {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  font-weight: 820;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.answer-label {
  font-size: 0.72rem;
  line-height: 1.35;
  text-align: center;
}

.question-actions {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  margin-top: 22px;
}

.keyboard-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.result-screen {
  max-width: 1040px;
  margin: 0 auto;
}

.result-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 34px;
}

.result-hero h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.result-explainer {
  max-width: 38rem;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.profile-summary {
  padding: 22px 24px;
  background: var(--ink);
  border-radius: var(--radius-medium);
  color: #fff;
}

.profile-summary span {
  display: block;
  color: #d5dcda;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.profile-summary strong {
  display: block;
  margin-top: 8px;
  font-size: 1.55rem;
}

.profile-summary p {
  margin: 8px 0 0;
  color: #d5dcda;
  font-size: 0.82rem;
}

.score-chart {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 4vw, 36px);
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

.score-row {
  display: grid;
  grid-template-columns: 52px minmax(125px, 0.9fr) minmax(200px, 2.2fr) 88px;
  gap: 14px;
  align-items: center;
}

.score-code {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #fff;
  font-weight: 840;
  border-radius: 12px;
}

.score-code[data-code="D"] {
  background: var(--d);
}

.score-code[data-code="I"] {
  color: var(--ink);
  background: #e4bd59;
}

.score-code[data-code="S"] {
  background: var(--s);
}

.score-code[data-code="C"] {
  background: var(--c);
}

.score-name strong,
.score-name span {
  display: block;
}

.score-name strong {
  font-size: 0.92rem;
}

.score-name span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
}

.bar-track {
  height: 14px;
  overflow: hidden;
  background: #e2ddd3;
  border-radius: 999px;
}

.bar-fill {
  display: block;
  width: var(--score-width);
  height: 100%;
  background: var(--bar-color);
  border-radius: inherit;
}

.score-value {
  font-variant-numeric: tabular-nums;
  font-weight: 760;
  text-align: right;
}

.score-value small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 500;
}

.section-heading {
  margin: 68px 0 22px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

.section-heading h3,
.dialogue-panel h3 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  letter-spacing: -0.035em;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feedback-card {
  padding: 22px;
  background: rgba(255, 253, 248, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
}

.feedback-title {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}

.feedback-title .score-code {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.feedback-title h4 {
  margin: 0;
  font-size: 1rem;
}

.feedback-card dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.feedback-card dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.06em;
}

.feedback-card dd {
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.65;
}

.dialogue-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 42px;
  margin-top: 60px;
  padding: clamp(26px, 5vw, 48px);
  color: #fff;
  background: var(--ink);
  border-radius: var(--radius-large);
}

.dialogue-panel > div > p:last-child {
  color: #cfd7d5;
  line-height: 1.75;
}

.dialogue-panel ol {
  display: grid;
  gap: 16px;
  margin: 0;
  padding-left: 1.5rem;
}

.dialogue-panel li {
  padding-left: 8px;
  line-height: 1.7;
}

.result-boundary {
  margin-top: 24px;
  padding: 18px 20px;
  background: rgba(255, 253, 248, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
}

.result-boundary strong {
  font-size: 0.82rem;
}

.result-boundary p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 26px;
}

.status-message {
  min-height: 1.5em;
  margin: -48px 0 30px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.site-footer {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 24px 0 34px;
  color: var(--muted);
  border-top: 1px solid var(--line-strong);
}

.site-footer p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.5;
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 28px, 720px);
  }

  .intro-screen,
  .result-hero,
  .dialogue-panel {
    grid-template-columns: 1fr;
  }

  .intro-screen {
    gap: 42px;
    padding-top: 46px;
  }

  .intro-copy {
    text-align: center;
  }

  .intro-lead,
  .boundary-note {
    margin-right: auto;
    margin-left: auto;
  }

  .boundary-note {
    text-align: left;
  }

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

  .score-row {
    grid-template-columns: 44px minmax(100px, 0.9fr) minmax(140px, 2fr) 70px;
    gap: 10px;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 22px, 500px);
  }

  .site-header {
    min-height: 76px;
  }

  .privacy-chip {
    padding: 7px 9px;
    font-size: 0.67rem;
  }

  .header-actions {
    gap: 6px;
  }

  .back-link {
    padding: 7px 9px;
    font-size: 0.67rem;
  }

  .wordmark-copy {
    display: none;
  }

  .screen {
    padding: 42px 0 58px;
  }

  h1 {
    font-size: clamp(3.7rem, 23vw, 5.4rem);
  }

  .intro-subtitle {
    font-size: 1.45rem;
  }

  .intro-card {
    padding: 20px;
    border-radius: 22px;
  }

  .four-axis-preview,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .four-axis-preview {
    gap: 8px;
  }

  .axis-mini {
    min-height: 54px;
  }

  .progress-header {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .question-card {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .question-card h2 {
    min-height: 0;
    font-size: 1.45rem;
  }

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

  .answer-option:last-child {
    grid-column: 1 / -1;
  }

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

  .keyboard-hint {
    display: none;
  }

  .question-actions .button {
    min-width: 0;
    padding: 10px 12px;
  }

  .result-hero {
    gap: 24px;
  }

  .score-chart {
    padding: 18px;
  }

  .score-row {
    grid-template-columns: 40px minmax(0, 1fr) 64px;
  }

  .score-code {
    width: 38px;
    height: 38px;
  }

  .bar-track {
    grid-column: 2 / -1;
    grid-row: 2;
  }

  .dialogue-panel {
    gap: 22px;
    padding: 24px 20px;
  }

  .site-footer {
    display: grid;
  }
}

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