:root {
  color-scheme: light;
  --color-surface: #ffffff;
  --color-surface-muted: #f9fafb;
  --color-surface-raised: #ffffff;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-text-subtle: #6b7280;
  --color-border: #d1d5db;
  --color-border-strong: #9ca3af;
  --color-primary: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-primary-soft: #eff6ff;
  --color-secondary: #8b5cf6;
  --color-secondary-soft: #f5f3ff;
  --color-secondary-border: #c4b5fd;
  --color-warning-soft: #fffbeb;
  --color-warning-text: #92400e;
  --shadow-sm: 0 1px 2px rgb(17 24 39 / 0.06);
  --shadow-md: 0 12px 30px rgb(17 24 39 / 0.08);
  --radius-sm: 4px;
  --radius-md: 8px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --font-sans: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: Poppins, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: Inconsolata, "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--color-surface-muted);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-muted) 360px);
}

body,
button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button,
a {
  touch-action: manipulation;
}

a {
  color: var(--color-primary-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #1e40af;
}

:focus {
  outline: none;
}

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

.skip-link {
  position: absolute;
  inset-block-start: var(--space-1);
  inset-inline-start: var(--space-1);
  z-index: 10;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-weight: 700;
  transform: translateY(-140%);
  transition: transform 160ms ease;
}

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

.site-header,
.site-footer,
.app-shell {
  width: min(100% - 32px, 760px);
  margin-inline: auto;
}

.site-header {
  padding-block: var(--space-5) var(--space-3);
}

.site-header h1 {
  margin: 4px 0 var(--space-1);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.55rem + 1vw, 2rem);
  line-height: 1.25;
  letter-spacing: 0;
}

.site-header p,
.app-state p,
.site-footer p {
  overflow-wrap: anywhere;
}

.site-header > p:not(.site-kicker) {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.site-kicker,
.section-kicker {
  margin: 0;
  color: var(--color-primary-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.app-state .section-kicker {
  color: var(--color-primary-dark);
}

.app-shell {
  min-height: 0;
  padding: var(--space-2);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-md);
}

.app-shell:focus {
  outline: none;
}

.app-nav {
  display: flex;
  justify-content: flex-start;
  margin-block-end: var(--space-2);
}

.app-nav:has(.back-button:disabled) {
  display: none;
  margin-block-end: 0;
}

.back-button,
.primary-button,
.secondary-button,
.option-button,
.general-exit-links a {
  min-height: 44px;
  border-radius: var(--radius-md);
  font-weight: 700;
  line-height: 1.35;
}

.back-button,
.primary-button,
.secondary-button,
.option-button {
  border: 1px solid transparent;
  cursor: pointer;
}

.back-button {
  padding: 9px 14px;
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.back-button:hover:not(:disabled) {
  border-color: var(--color-border-strong);
  background: var(--color-surface-muted);
}

.back-button:active:not(:disabled),
.secondary-button:active:not(:disabled) {
  transform: translateY(1px);
}

.back-button:disabled,
.primary-button:disabled,
.secondary-button:disabled,
.option-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.back-button:disabled {
  display: none;
}

.app-state {
  display: grid;
  gap: var(--space-2);
}

.app-state h2,
.app-state h3,
.app-state h4 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.3;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.app-state h2 {
  font-size: clamp(1.35rem, 1.2rem + 0.7vw, 1.5rem);
}

.app-state h3 {
  font-size: 1.25rem;
}

.app-state h4 {
  font-size: 1rem;
}

.app-state p {
  margin: 0;
  color: var(--color-text-muted);
}

.landing-view {
  align-content: start;
  min-height: 0;
}

.question-view,
.result-view {
  align-content: start;
}

.progress-block {
  display: grid;
  gap: var(--space-1);
}

.progress-label {
  color: var(--color-text-subtle);
  font-size: 0.875rem;
  font-weight: 700;
}

.app-state .progress-label {
  color: var(--color-text-subtle);
}

.progress-track {
  width: 100%;
  height: 10px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #e5e7eb;
}

.progress-bar {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
  transition: width 180ms ease;
}

.option-list,
.candidate-list {
  display: grid;
  gap: var(--space-1);
}

.option-button {
  display: grid;
  width: 100%;
  gap: 4px;
  padding: 14px var(--space-2);
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.option-button:hover {
  border-color: #93c5fd;
  background: var(--color-primary-soft);
}

.option-button.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 1px var(--color-primary), var(--shadow-sm);
}

.option-button:active {
  transform: translateY(1px);
}

.option-label {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.option-description {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.candidate-card {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.candidate-card .section-kicker {
  color: var(--color-primary-dark);
}

.reason-list,
.warning-list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding-inline-start: 1.2rem;
  color: var(--color-text-muted);
}

.reason-list li,
.warning-list li {
  padding-inline-start: 2px;
  overflow-wrap: anywhere;
}

.warning-title {
  margin-block-start: var(--space-1);
  color: var(--color-warning-text);
}

.candidate-card .warning-title {
  color: var(--color-warning-text);
}

.warning-list {
  color: var(--color-warning-text);
}

.final-result-panel {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 1px solid var(--color-secondary-border);
  border-radius: var(--radius-md);
  background: var(--color-secondary-soft);
}

.final-result-panel h3 {
  color: #5b21b6;
}

.final-result-list {
  color: #4c1d95;
}

.final-result-list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding-inline-start: 1.2rem;
}

.final-result-list li {
  padding-inline-start: 2px;
  overflow-wrap: anywhere;
}

.action-row {
  display: grid;
  gap: var(--space-1);
  margin-block-start: var(--space-1);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  padding: 11px var(--space-2);
  text-align: center;
  overflow-wrap: anywhere;
  white-space: normal;
}

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

.primary-button:hover:not(:disabled) {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-dark);
}

.primary-button:active:not(:disabled) {
  transform: translateY(1px);
}

.secondary-button {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.secondary-button:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.result-actions {
  margin-block-start: var(--space-2);
}

.question-actions {
  margin-block-start: 0;
}

.inline-notice {
  padding: 12px var(--space-2);
  border: 1px solid #fbbf24;
  border-radius: var(--radius-md);
  background: var(--color-warning-soft);
  color: var(--color-warning-text);
  font-weight: 700;
}

.app-state .inline-notice {
  color: var(--color-warning-text);
}

.inline-note {
  padding: 12px var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  font-weight: 700;
}

.commerce-disclosure {
  padding: 10px var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  font-size: 0.875rem;
  font-weight: 700;
}

.commerce-link-marker {
  margin-inline-end: 6px;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  line-height: 1.2;
}

.general-exit-links {
  display: grid;
  gap: var(--space-1);
}

.general-exit-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 10px var(--space-2);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.general-exit-links a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.site-footer {
  padding-block: var(--space-3) var(--space-4);
}

.site-footer p {
  margin: 0;
  color: var(--color-text-subtle);
  font-size: 0.875rem;
}

noscript .app-state,
[data-app-loading] {
  gap: var(--space-1);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

@media (min-width: 640px) {
  .site-header,
  .site-footer,
  .app-shell {
    width: min(100% - 48px, 760px);
  }

  .site-header {
    padding-block-start: 64px;
  }

  .app-shell {
    padding: var(--space-3);
  }

  .action-row,
  .result-actions,
  .general-exit-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .landing-view {
    min-height: 0;
  }
}

@media (min-width: 900px) {
  .site-header,
  .site-footer,
  .app-shell {
    width: min(100% - 64px, 800px);
  }

  .candidate-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
}

@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;
  }

  .back-button:active:not(:disabled),
  .primary-button:active:not(:disabled),
  .secondary-button:active:not(:disabled),
  .option-button:active {
    transform: none;
  }
}