:root {
  color-scheme: dark;
  --bg: #0f0f14;
  --bg-alt: #171722;
  --card: rgba(28, 28, 40, 0.84);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f5f3ef;
  --muted: #c5bfbb;
  --accent: #ff8a3d;
  --accent-2: #ff4d6d;
  --good: #4ade80;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --surface-1: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-3: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.08);
  --link-hover: #ffb86b;
  --radius: 24px;
  --radius-sm: 16px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(255, 138, 61, 0.18), transparent 28%),
    radial-gradient(circle at right, rgba(255, 77, 109, 0.14), transparent 24%),
    linear-gradient(180deg, #12121a 0%, #09090d 100%);
  color: var(--text);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.layout {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
  display: grid;
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero,
.quiz,
.result {
  padding: 1.5rem;
}

.legal-note {
  padding: 1.5rem;
}

.extra-tests {
  padding: 1.75rem;
}

.extra-tests h2 {
  margin-bottom: 0.9rem;
}

.legal-note h2 {
  margin-bottom: 0.9rem;
}

.legal-note p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  line-height: 1.6;
}

.legal-note p:last-child {
  margin-bottom: 0;
}

.extra-tests p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  line-height: 1.6;
}

.extra-tests p:last-of-type {
  margin-bottom: 1rem;
}

.extra-test-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  font-weight: 700;
  color: #1b110d;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), #ffb86b);
  box-shadow: 0 12px 32px rgba(255, 138, 61, 0.35);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.extra-test-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 138, 61, 0.42);
}

.related-tests-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
}

.related-test-link {
  color: var(--accent);
  font-weight: 600;
}

.related-test-link:hover {
  color: var(--link-hover);
}

.site-footer {
  text-align: center;
  color: var(--muted);
}

.site-footer a {
  color: var(--accent);
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(2.6rem, 5vw, 4.75rem);
  line-height: 0.96;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.35rem;
}

.lead,
.instructions p,
.result-description {
  max-width: 72ch;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.instructions {
  margin-top: 1.5rem;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  border: 1px solid var(--line);
}

.home-link-wrap {
  margin: 1rem 0 0;
}

.home-link {
  color: var(--accent);
  font-weight: 600;
  text-underline-offset: 0.2em;
}

.home-link:hover {
  color: var(--link-hover);
}

.quiz-header,
.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.device-hint {
  margin: 0;
  max-width: 22rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  text-align: right;
}

.primary-btn,
.ghost-btn {
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.4rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, opacity 160ms ease;
}

.primary-btn {
  color: #1b110d;
  background: linear-gradient(135deg, var(--accent), #ffb86b);
  box-shadow: 0 12px 32px rgba(255, 138, 61, 0.35);
}

.primary-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.ghost-btn {
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.primary-btn:hover:not(:disabled),
.ghost-btn:hover,
.option-pill:hover {
  transform: translateY(-2px);
}

.questions {
  display: grid;
  gap: 1.25rem;
}

.quiz-actions {
  position: relative;
  margin-top: 1.5rem;
  display: flex;
  justify-content: flex-end;
}


.quiz-status {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.6;
}

.instructions .primary-btn {
  margin-top: 0.75rem;
}

.question-card {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  scroll-margin-top: 1.5rem;
}

.question-card:first-child {
  border-top: none;
  padding-top: 0;
}

.question-card.is-current .question-text {
  color: var(--text);
}

.question-card.is-current {
  border-left: 3px solid rgba(255, 184, 107, 0.55);
  padding-left: 1rem;
}

.question-card.is-answered {
  opacity: 0.78;
}

.question-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.question-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: var(--surface-1);
}

.question-text {
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.55;
  max-width: 48rem;
}

.options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.option-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--surface-1);
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 700;
}

.option-pill input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.option-pill:has(input:checked) {
  background: linear-gradient(135deg, rgba(255, 138, 61, 0.2), rgba(255, 77, 109, 0.22));
  border-color: rgba(255, 184, 107, 0.5);
  box-shadow: inset 0 0 0 1px rgba(255, 184, 107, 0.25);
}

.meter-wrap {
  margin-top: 1rem;
}

.meter-meta,
.scoreline {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.meter-track {
  position: relative;
  margin-top: 0.7rem;
  height: 28px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-3);
  border: 1px solid var(--line);
}

.meter-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--good), #facc15 45%, var(--accent), var(--accent-2));
  box-shadow: 0 0 30px rgba(255, 77, 109, 0.28);
  transition: width 1.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.scoreline {
  margin-top: 1rem;
  gap: 0.75rem;
}

#score-value {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1;
}

.result-category {
  margin-top: 1.15rem;
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  border: 1px solid var(--line);
}

.result-category-label {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.result-category-name {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.result-title {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.result-description {
  margin-bottom: 0;
}

.share-wrap {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.share-title {
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-weight: 700;
}

.share-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.share-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease;
}

.share-btn:hover {
  transform: translateY(-1px);
  background: var(--surface-3);
}

.share-status {
  margin-top: 0.7rem;
  min-height: 1.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

:root[data-device='desktop'] .layout {
  grid-template-columns: 1fr;
  align-items: start;
}

:root[data-device='desktop'] .hero,
:root[data-device='desktop'] .quiz,
:root[data-device='desktop'] .result {
  grid-column: 1;
}

:root[data-device='desktop'] .result {
  position: static;
}

:root[data-device='mobile'] html {
  scroll-behavior: auto;
}

:root[data-device='mobile'] .layout {
  width: min(100% - 1rem, 1120px);
  padding-top: 1rem;
}

:root[data-device='mobile'] .hero,
:root[data-device='mobile'] .quiz,
:root[data-device='mobile'] .result,
:root[data-device='mobile'] .legal-note {
  padding: 1.15rem;
}

:root[data-device='mobile'] .option-pill,
:root[data-device='mobile'] .primary-btn,
:root[data-device='mobile'] .ghost-btn {
  min-height: 52px;
}

:root[data-device='mobile'] .meter-bar {
  transition-duration: 0.9s;
}

@media (max-width: 700px) {
  .quiz-header,
  .result-header,
  .question-top {
    align-items: stretch;
    flex-direction: column;
  }

  .device-hint {
    max-width: none;
    text-align: left;
  }

  .primary-btn,
  .ghost-btn {
    width: 100%;
  }

  .options {
    flex-direction: column;
  }

  .share-buttons {
    grid-template-columns: 1fr;
  }

  .option-pill {
    width: 100%;
  }

}

/* ---------- Tema claro ---------- */
html[data-theme='light'] {
  color-scheme: light;
}

html[data-theme='light'] {
  --bg: #f7f3ec;
  --bg-alt: #ffffff;
  --card: rgba(255, 255, 255, 0.88);
  --border: rgba(30, 22, 40, 0.14);
  --text: #261f2b;
  --muted: #5f5763;
  --accent: #d95f10;
  --accent-2: #cf3556;
  --shadow: 0 24px 80px rgba(90, 60, 25, 0.14);
  --surface-1: rgba(30, 22, 40, 0.05);
  --surface-2: rgba(30, 22, 40, 0.07);
  --surface-3: rgba(30, 22, 40, 0.1);
  --line: rgba(30, 22, 40, 0.12);
  --link-hover: #a8470a;
}

html[data-theme='light'] body {
  background:
    radial-gradient(circle at top, rgba(255, 138, 61, 0.16), transparent 30%),
    radial-gradient(circle at right, rgba(255, 77, 109, 0.1), transparent 26%),
    linear-gradient(180deg, #fbf7f0 0%, #efe7da 100%);
  color: var(--text);
}

html[data-theme='light'] .noise {
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(30, 22, 40, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 22, 40, 0.05) 1px, transparent 1px);
}

/* ---------- Conmutador de tema ---------- */
.theme-toggle {
  position: fixed;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 50;
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: transform 160ms ease;
}

.theme-toggle:hover {
  transform: translateY(-2px) rotate(12deg);
}