/* ==========================================================================
   Diagnóstico VORVA — chatbot estático (árvore de decisão)
   Segue os tokens de variables.css e o padrão de styles.css
   ========================================================================== */

/* ---------- Seção lançadora (antes do rodapé) ---------- */
.diagnostic-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.diagnostic-lead {
  margin-top: 1.5rem;
  max-width: 46ch;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}
.diagnostic-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}
.diagnostic-foot {
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

/* Cartão-visual (decorativo) que ecoa a estética mono-tech */
.diagnostic-preview {
  position: relative;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px),
    #fff;
  background-size: 100% 2.6rem, 2.6rem 100%, auto;
  background-position: -1px -1px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.4);
}
.diagnostic-preview-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}
.diagnostic-preview-top .orange { color: var(--color-orange); }
.diagnostic-steps {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.diagnostic-steps li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  font-weight: 500;
}
.diagnostic-steps li span:first-child {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--color-orange);
  letter-spacing: 0.06em;
}
.diagnostic-steps li:last-child {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: #fff;
}
.diagnostic-steps li:last-child span:first-child { color: var(--color-orange-soft); }

/* ---------- Botão flutuante ---------- */
.diag-float {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  /* Empilha acima do WhatsApp flutuante (60px + folga) e respeita área segura */
  bottom: calc(clamp(1rem, 3vw, 2rem) + 60px + 0.85rem + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0;
  border-radius: 999px;
  background: var(--color-ink);
  color: #fff;
  overflow: hidden;
  max-width: 56px;
  box-shadow: 0 12px 28px -10px rgba(0, 0, 0, 0.5);
  will-change: transform;
  transition: max-width var(--transition-default),
    background-color var(--transition-default),
    transform var(--transition-default), box-shadow var(--transition-default);
}
.diag-float-icon {
  flex: 0 0 56px;
  height: 56px;
  display: grid;
  place-items: center;
  color: var(--color-orange);
  transition: color var(--transition-default);
}
.diag-float-label {
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.92rem;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  padding-right: 0;
  transition: max-width var(--transition-default), opacity var(--transition-default),
    padding-right var(--transition-default);
}
.diag-float:hover,
.diag-float:focus-visible {
  max-width: 280px;
  background: var(--color-orange);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -10px rgba(0, 0, 0, 0.55);
}
.diag-float:hover .diag-float-icon,
.diag-float:focus-visible .diag-float-icon { color: #fff; }
.diag-float:hover .diag-float-label,
.diag-float:focus-visible .diag-float-label {
  max-width: 200px;
  opacity: 1;
  padding-right: 1.35rem;
}
/* Entrada + chamada de atenção discreta e finita (não repetitiva) */
.diag-float {
  animation: diag-float-in 0.6s ease both;
}
.diag-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  box-shadow: 0 0 0 0 oklch(0.71 0.19 45 / 0.5);
  animation: diag-float-attn 2.4s ease-out 1.4s 3;
  pointer-events: none;
}
@keyframes diag-float-in {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes diag-float-attn {
  0%   { box-shadow: 0 0 0 0 oklch(0.71 0.19 45 / 0.5); }
  70%  { box-shadow: 0 0 0 14px oklch(0.71 0.19 45 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.71 0.19 45 / 0); }
}

/* ---------- Modal ---------- */
.diag-modal[hidden] { display: none; }
.diag-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 3vw, 1.5rem);
}
.diag-overlay {
  position: absolute;
  inset: 0;
  background: oklch(0.18 0 0 / 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-default);
}
.diag-modal.is-open .diag-overlay { opacity: 1; }
.diag-dialog {
  position: relative;
  width: min(560px, 100%);
  max-height: min(88dvh, 720px);
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity var(--transition-default), transform var(--transition-default);
}
.diag-modal.is-open .diag-dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.diag-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 1.6rem) clamp(1.25rem, 3vw, 1.6rem) 0.9rem;
}
.diag-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--color-orange);
}
.diag-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-orange);
}
.diag-title {
  margin-top: 0.5rem;
  font-size: clamp(1.15rem, 3.4vw, 1.45rem);
  font-weight: 600;
  line-height: 1.2;
}
.diag-close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background-color var(--transition-fast);
}
.diag-close:hover,
.diag-close:focus-visible {
  color: var(--color-ink);
  border-color: var(--color-ink);
  background: var(--color-surface);
}

/* Progresso */
.diag-progress {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0 clamp(1.25rem, 3vw, 1.6rem) 1rem;
}
.diag-progress-track {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--color-surface-2);
  overflow: hidden;
}
.diag-progress-fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--color-orange);
  transition: width var(--transition-default);
}
.diag-progress-label {
  font-size: 0.6rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Corpo (renderizado por JS) */
.diag-body {
  padding: 0.3rem clamp(1.25rem, 3vw, 1.6rem) clamp(1.25rem, 3vw, 1.6rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.diag-question {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3vw, 1.25rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1.1rem;
}
.diag-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.diag-option {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  text-align: left;
  padding: 0.9rem 1rem;
  min-height: 52px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: #fff;
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
}
.diag-option::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.diag-option:hover,
.diag-option:focus-visible {
  border-color: var(--color-ink);
  background: var(--color-surface);
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
}
.diag-option:hover::before,
.diag-option:focus-visible::before {
  border-color: var(--color-orange);
  background: var(--color-orange);
}
.diag-option.is-selected {
  border-color: var(--color-orange);
}
.diag-option.is-selected::before {
  border-color: var(--color-orange);
  background: var(--color-orange);
}

/* Campo opcional de texto (última etapa) */
.diag-textarea {
  width: 100%;
  min-height: 96px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  font: inherit;
  font-size: 0.95rem;
  resize: vertical;
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color var(--transition-fast);
}
.diag-textarea:focus-visible {
  border-color: var(--color-ink);
  outline: none;
}

/* Rodapé de navegação do fluxo */
.diag-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.diag-nav .diag-spacer { flex: 1; }
.diag-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.5rem 0.35rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.diag-link:hover,
.diag-link:focus-visible { color: var(--color-ink); }
.diag-link[hidden] { display: none; }

/* ---------- Resultado ---------- */
.diag-result-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.75rem;
}
.diag-result-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}
.diag-result-service {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}
.diag-result-service strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}
.diag-result-service span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.diag-result-service .diag-result-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--color-orange);
  margin-bottom: 0.5rem;
}
.diag-summary {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0;
}
.diag-summary li {
  display: grid;
  grid-template-columns: minmax(7.5rem, auto) 1fr;
  gap: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-line);
  font-size: 0.9rem;
}
.diag-summary li:last-child { border-bottom: 0; }
.diag-summary dt,
.diag-summary .diag-summary-key {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  align-self: center;
}
.diag-summary .diag-summary-val { font-weight: 500; }
.diag-note {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.85rem;
  margin: 1rem 0;
}
.diag-result-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  padding: 0.95rem 1.25rem;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  font-weight: 600;
  font-size: 0.98rem;
  transition: background-color var(--transition-default), transform var(--transition-default);
}
.diag-result-cta:hover,
.diag-result-cta:focus-visible {
  background: #1ebe5b;
  transform: translateY(-2px);
}
.diag-result-cta svg { flex: 0 0 auto; }

/* Só para leitores de tela */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Bloqueio de scroll de fundo */
body.diag-lock { overflow: hidden; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .diagnostic-inner { grid-template-columns: 1fr; }
  .diagnostic-preview { order: -1; }
}
@media (max-width: 560px) {
  .diag-modal { padding: 0; place-items: end stretch; }
  .diag-dialog {
    width: 100%;
    max-height: 92dvh;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    border-bottom: 0;
  }
}
/* Em telas touch pequenas mantém o flutuante compacto, como o WhatsApp */
@media (max-width: 767px) and (pointer: coarse) {
  .diag-float { max-width: 56px; }
  .diag-float-label { display: none; }
}

/* Toque: fechar e links de navegação do fluxo com área mínima de 44px */
@media (pointer: coarse) {
  .diag-close { width: 44px; height: 44px; }
  .diag-link { min-height: 44px; align-items: center; }
}

/* Mobile/tablet: botão circular de tamanho fixo, empilhado logo acima
   do WhatsApp flutuante (sem flex-basis nem truque de max-width). */
@media (max-width: 1023px) {
  .diag-float {
    display: flex;
    align-items: center;
    justify-content: center;
    right: max(1rem, env(safe-area-inset-right, 0px));
    bottom: calc(var(--float-mobile-bottom, 1rem) + 52px + 0.6rem);
    width: 52px;
    height: 52px;
    max-width: none;
    border-radius: 50%;
    z-index: 120;
    animation: none;
    transition: background-color var(--transition-default);
  }
  .diag-float-icon {
    flex: none;
    width: 52px;
    height: 52px;
  }
  .diag-float-label { display: none; }
  .diag-float:hover,
  .diag-float:focus-visible {
    max-width: none;
    transform: none;
  }
}

@media (max-width: 480px) {
  .diag-float {
    bottom: calc(var(--float-mobile-bottom, 1rem) + 48px + 0.6rem);
    width: 48px;
    height: 48px;
  }
  .diag-float-icon {
    width: 48px;
    height: 48px;
  }
}

/* Telas muito baixas (ex.: celular deitado): enxuga o cabeçalho para
   sobrar mais área visível de conteúdo antes de precisar rolar. */
@media (max-height: 430px) {
  .diag-dialog { max-height: 96dvh; }
  .diag-head {
    padding-top: 0.85rem;
    padding-bottom: 0.55rem;
    align-items: center;
  }
  .diag-title {
    margin-top: 0.15rem;
    font-size: 1rem;
    line-height: 1.15;
  }
  .diag-eyebrow { display: none; }
  .diag-progress { padding-bottom: 0.6rem; }
  .diag-question { margin-bottom: 0.75rem; }
  .diag-option { min-height: 44px; padding-block: 0.65rem; }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  .diag-float,
  .diag-float-label,
  .diag-overlay,
  .diag-dialog,
  .diag-progress-fill,
  .diag-option { transition: none; }
  .diag-float { animation: none; }
  .diag-float::before { animation: none; }
  .diag-dialog { transform: none; }
}