.decision-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem calc(3rem + env(safe-area-inset-bottom, 0px));
  color: var(--color-text);
}

.decision-post__header {
  margin-bottom: 2rem;
}

.decision-post__title {
  margin: 0 0 0.75rem;
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.decision-post [hidden] {
  display: none;
}

.mode-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(100%, 320px);
  margin: 0 auto 2rem;
  padding: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-text) 7%, var(--color-bg));
}

.mode-switch__thumb {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  border-radius: 999px;
  background: var(--color-bg);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-text) 12%, transparent),
    0 2px 6px color-mix(in srgb, var(--color-text) 14%, transparent);
  transition: transform 0.3s cubic-bezier(0.3, 1.25, 0.5, 1);
}

.mode-switch[data-mode="quiz"] .mode-switch__thumb {
  transform: translateX(100%);
}

.mode-switch__tab {
  position: relative;
  z-index: 1;
  padding: 0.55rem 0.5rem;
  border: none;
  border-radius: 999px;
  background: none;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.2s;
}

.mode-switch__tab[aria-pressed="true"] {
  color: var(--color-text);
}

.mode-switch__tab:focus-visible,
.quiz__answer:focus-visible,
.quiz__back:focus-visible,
.quiz__restart:focus-visible,
.copy-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.flowchart {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  --flowchart-surface: color-mix(in srgb, var(--color-text) 7%, var(--color-bg));
  --flowchart-line: color-mix(in srgb, var(--color-text-muted) 60%, var(--color-bg));
  --flowchart-outline: color-mix(in srgb, var(--color-text) 18%, var(--color-bg));
}

.flowchart__svg {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: 0 auto;
  font-family: inherit;
}

.flowchart__edges {
  fill: none;
  stroke: var(--flowchart-line);
  stroke-width: 1.25;
  stroke-linecap: round;
}

.flowchart__arrowhead {
  fill: none;
  stroke: var(--flowchart-line);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flowchart__chips rect {
  fill: var(--color-bg);
}

.flowchart__chips text {
  fill: var(--color-text-muted);
}

.flowchart__decision rect {
  fill: var(--flowchart-surface);
}

.flowchart__decision text,
.flowchart__leaf text {
  fill: var(--color-text);
}

.flowchart__leaf rect {
  fill: var(--color-bg);
  stroke: var(--flowchart-outline);
  stroke-width: 1;
}

.quiz {
  max-width: 560px;
  margin: 0 auto;
}

.quiz__progress {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.quiz__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.25rem 0.25rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-text) 7%, var(--color-bg));
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.quiz__chip-a {
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}

.quiz__card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 15rem;
  padding: 3.25rem 1.5rem;
  border-radius: 20px;
  background: color-mix(in srgb, var(--color-text) 7%, var(--color-bg));
  text-align: center;
}

.quiz__step {
  animation: quiz-enter 0.3s cubic-bezier(0.2, 0.8, 0.3, 1);
}

@keyframes quiz-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.quiz__question {
  margin: 0 0 1.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  text-wrap: balance;
}

.quiz__answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 320px;
  width: 100%;
  margin: 0 auto;
}

.quiz__answer {
  padding: 0.75rem 1rem;
  /* 1px pill borders look uneven: straight edges snap to pixels, curves don't. */
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5rem;
  text-transform: capitalize;
  color: var(--color-text);
  cursor: pointer;
  transition: transform 0.15s, color 0.15s, border-color 0.15s;
}

.quiz__answer:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.quiz__answer:active {
  transform: scale(0.96);
}

.quiz__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.quiz__result {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
}

.quiz__back,
.quiz__restart,
.copy-link {
  border: none;
  background: none;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.15s;
}

.quiz__back:hover,
.quiz__restart:hover,
.copy-link:hover {
  color: var(--color-text);
}

.quiz__back {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.35rem 0.5rem;
}

.quiz__restart {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 999px;
}

.copy-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 2rem auto 0;
  padding: 0.5rem 1rem;
  line-height: 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  transition: color 0.15s, border-color 0.15s;
}

.copy-link.is-copied {
  border-color: var(--color-accent);
  color: var(--color-accent);
  animation: copy-pop 0.35s cubic-bezier(0.3, 1.5, 0.5, 1);
}

.copy-link__check,
.copy-link.is-copied .copy-link__link {
  display: none;
}

.copy-link.is-copied .copy-link__check {
  display: block;
  stroke-dasharray: 24;
  animation: copy-check 0.3s ease-out;
}

@keyframes copy-pop {
  50% {
    transform: scale(1.08);
  }
}

@keyframes copy-check {
  from {
    stroke-dashoffset: 24;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mode-switch__thumb,
  .quiz__answer {
    transition: none;
  }

  .quiz__step,
  .copy-link.is-copied,
  .copy-link.is-copied .copy-link__check {
    animation: none;
  }
}