:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-strong: #eef7f5;
  --text: #17212b;
  --muted: #667085;
  --line: #d6dde6;
  --primary: #0f766e;
  --primary-strong: #0b5f59;
  --accent: #c2410c;
  --accent-soft: #fff2e8;
  --blue: #1d4ed8;
  --shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

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

button {
  min-height: 44px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.app {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 14px max(28px, env(safe-area-inset-bottom));
}

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

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 26px;
  line-height: 1.18;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 17px;
  letter-spacing: 0;
}

.intro,
.progress-panel,
.question-card,
.results,
.jump-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.intro {
  padding: 14px;
  margin-bottom: 12px;
}

.intro p {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 15px;
}

.profile-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

label span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: #fff;
  outline: none;
}

input,
select {
  padding: 0 12px;
}

textarea {
  min-height: 146px;
  padding: 12px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.progress-panel {
  position: sticky;
  top: 0;
  z-index: 4;
  padding: 12px;
  margin-bottom: 12px;
}

.progress-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 13px;
}

.progress-copy strong {
  color: var(--text);
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8eef5;
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--blue));
  transition: width 180ms ease;
}

.section-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}

.section-tab {
  min-height: 38px;
  padding: 7px 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: #fff;
  font-size: 12px;
  font-weight: 800;
}

.section-tab.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--surface-strong);
}

.question-card {
  min-height: 360px;
  padding: 16px;
}

.question-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--primary);
  background: var(--surface-strong);
  font-size: 12px;
  font-weight: 800;
}

.question-count {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.prompt {
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.48;
  letter-spacing: 0;
}

.scale-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
}

.scale-option,
.choice-option,
.chip {
  display: flex;
  width: 100%;
  min-height: 52px;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: #fff;
  text-align: left;
}

.scale-option .number,
.choice-option .letter {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
  background: #eef2f7;
  font-weight: 900;
}

.scale-option.selected,
.choice-option.selected,
.chip.selected {
  border-color: var(--primary);
  background: var(--surface-strong);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.12);
}

.scale-option.selected .number,
.choice-option.selected .letter,
.chip.selected .rank {
  color: #fff;
  background: var(--primary);
}

.choice-stack {
  display: grid;
  gap: 10px;
}

.choice-text {
  flex: 1;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.chip {
  min-height: 46px;
  justify-content: flex-start;
  font-size: 14px;
}

.chip .rank {
  display: inline-flex;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
  background: #eef2f7;
  font-size: 12px;
  font-weight: 900;
}

.helper {
  margin: -4px 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.nav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.primary-button,
.secondary-button,
.ghost-button,
.copy-button {
  padding: 0 14px;
  font-weight: 900;
}

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

.primary-button:active {
  background: var(--primary-strong);
}

.secondary-button {
  color: var(--primary);
  background: var(--surface-strong);
}

.ghost-button {
  min-height: 38px;
  color: var(--muted);
  background: transparent;
}

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

.jump-panel {
  padding: 0;
  margin-bottom: 12px;
}

.jump-panel summary {
  min-height: 48px;
  padding: 13px 14px;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}

.jump-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  padding: 0 14px 14px;
}

.jump-button {
  min-height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  color: var(--muted);
  background: #fff;
  font-size: 12px;
  font-weight: 800;
}

.jump-button.answered {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--surface-strong);
}

.jump-button.current {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.results {
  padding: 16px;
  margin-top: 12px;
}

.hidden {
  display: none;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  margin: 14px 0;
}

.score-list {
  display: grid;
  gap: 10px;
}

.score-row {
  display: grid;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.score-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-weight: 900;
}

.score-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8eef5;
}

.score-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--blue));
}

.insight-list {
  padding-left: 20px;
  color: var(--muted);
}

.export-box {
  width: 100%;
  min-height: 210px;
  margin-top: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

@media (min-width: 640px) {
  .app {
    padding-top: 26px;
  }

  .profile-fields {
    grid-template-columns: 1fr 180px;
  }

  .scale-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .scale-option {
    min-height: 96px;
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

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

  .jump-grid {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .result-actions {
    grid-template-columns: repeat(3, 1fr);
  }
}