/* Autodiagnóstico. Sem JavaScript: lista de verificação com todas as perguntas
   e os próximos passos à vista. Com JavaScript: uma pergunta de cada vez. */
.dx { max-width: 48rem; margin-inline: auto; padding: clamp(var(--space-md), 4vw, var(--space-xl)); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg); box-shadow: var(--shadow-lg); }
.dx:not(.is-enhanced) .dx-progress,
.dx:not(.is-enhanced) .dx-nav { display: none; }
.dx-noscript { margin-bottom: var(--space-md); color: var(--color-text-muted); font-size: var(--text-sm); }

/* Progresso. */
.dx-progress { margin-bottom: var(--space-lg); }
.dx-progress p { color: var(--color-text-muted); font-size: var(--text-sm); font-weight: var(--weight-semibold); }
.dx-bar { height: 6px; margin-top: var(--space-2xs); border-radius: var(--radius-pill); background: var(--color-bg-alt); overflow: hidden; }
.dx-bar span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--color-accent-text); transition: width var(--dur-slow) var(--ease-out); }

/* Perguntas. */
.dx-questions { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-xl); }
.dx.is-enhanced .dx-q:not(.is-current) { display: none; }
.dx.is-enhanced .dx-q .dx-advice { display: none; }
.dx.is-done .dx-questions, .dx.is-done .dx-nav, .dx.is-done .dx-progress { display: none; }
.dx-q fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.dx-q legend { padding: 0; font-size: var(--text-xl); font-weight: var(--weight-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-snug); }
.dx-q legend:focus { outline: none; }
.dx-q legend:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
.dx-q__hint { margin-top: var(--space-2xs); color: var(--color-text-muted); }
.dx-answers { display: grid; gap: var(--space-2xs); margin-top: var(--space-md); }
@media (min-width: 40em) { .dx-answers { grid-template-columns: repeat(4, 1fr); } }
.dx-answers input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.dx-answers label { display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 var(--space-sm); border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-bg); font-weight: var(--weight-semibold); cursor: pointer; transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.dx-answers label:hover { border-color: var(--color-accent-text); }
.dx-answers input:checked + label { border-color: var(--color-accent-text); background: var(--color-accent-text); color: var(--color-text-invert); }
.dx-answers input:focus-visible + label { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.dx-advice { margin-top: var(--space-sm); padding: var(--space-sm); border-left: 3px solid var(--color-accent-text); background: var(--color-bg-alt); font-size: var(--text-sm); line-height: var(--leading-normal); }
.dx-advice a { color: var(--color-accent-text); font-weight: var(--weight-semibold); text-underline-offset: 3px; }

/* Navegação. */
.dx-nav { display: flex; justify-content: space-between; gap: var(--space-sm); margin-top: var(--space-lg); }
.dx-nav .bmd-button { width: auto; padding-inline: var(--space-lg); }
.dx-nav .bmd-button:disabled { opacity: .45; cursor: not-allowed; }
.dx-back { min-height: 3rem; padding: 0 var(--space-md); border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text); font: inherit; font-weight: var(--weight-semibold); cursor: pointer; }
.dx-back:disabled { visibility: hidden; }

/* Resultado. */
.dx-result:focus { outline: none; }
.dx-result h2 { font-size: var(--text-2xl); }
.dx-result > p { margin-top: var(--space-2xs); color: var(--color-text-muted); }
.dx-rings { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); margin: var(--space-lg) 0; padding: 0; }
@media (min-width: 40em) { .dx-rings { grid-template-columns: repeat(4, 1fr); } }
.dx-rings li { position: relative; display: grid; justify-items: center; gap: var(--space-2xs); text-align: center; }
.dx-rings svg { width: 5.5rem; height: 5.5rem; transform: rotate(-90deg); }
.dx-rings strong { position: absolute; top: 2.75rem; left: 50%; transform: translate(-50%, -50%); font-size: var(--text-lg); }
.dx-rings span { color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--leading-snug); }
.dx-ring__track, .dx-ring__value { fill: none; stroke-width: 7; }
.dx-ring__track { stroke: var(--color-border); }
.dx-ring__value { stroke: var(--color-accent-text); stroke-linecap: round; }
.dx-result h3 { margin-top: var(--space-lg); font-size: var(--text-lg); }
.dx-steps { margin: var(--space-sm) 0 0; padding-left: 1.3rem; display: grid; gap: var(--space-md); }
.dx-steps li { padding-left: .3rem; }
.dx-steps .dx-advice { margin-top: var(--space-2xs); }
.dx-result .actions { margin-top: var(--space-lg); }
.dx-restart { min-height: 3rem; padding: 0 var(--space-md); border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text); font: inherit; font-weight: var(--weight-semibold); cursor: pointer; }
.dx-privacy { margin-top: var(--space-md); color: var(--color-text-muted); font-size: var(--text-sm); }

@media (prefers-reduced-motion: reduce) { .dx-bar span { transition: none; } }