/* =========================================================
   FLUXO DE APLICAÇÃO — uma pergunta por vez
   Herda os tokens de styles.css
   ========================================================= */

:root {
  --canvas: var(--bg);
  --canvas-mid: var(--surface);
  --canvas-card: var(--surface);
  --hairline: var(--line-soft);
  --hairline-strong: var(--line);
  --body: var(--muted);
  --body-mid: var(--muted);
  --body-dim: var(--dim);
  --ink: var(--text);
  --neon-red: var(--danger);
  --accent-glow: oklch(0.82 0.17 160 / .16);
}

html, body { height: 100%; }
body.fx-body { overflow: hidden; }
body.fx-body::before { position: fixed; }

.fx button {
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.fx .btn-primary {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--bg) !important;
  font-weight: 800;
}

.fx .btn-primary:hover { background: var(--accent-soft); }

.fx {
  position: fixed; inset: 0;
  display: grid; grid-template-rows: auto 1fr auto;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 1;
}

/* ---------- TOPO: voltar · progresso · contador ---------- */
.fx-top {
  display: flex; align-items: center; gap: 12px;
  padding: 12px clamp(20px, 4vw, 48px);
  border-bottom: 1px solid var(--hairline);
  background: rgba(3,10,8,.6);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.fx-back {
  display: grid; place-items: center; flex: none;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--hairline-strong); color: var(--body-mid);
  transition: border-color .2s ease, color .2s ease, opacity .25s ease, transform .2s ease;
}
.fx-back:hover { border-color: var(--accent); color: var(--accent); }
.fx-back:active { transform: scale(.94); }
.fx-back[hidden] { display: none; }

.fx-brand {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--body-mid); white-space: nowrap;
}
.fx-brand b { color: var(--ink); font-weight: 500; }

.fx-bar { flex: 1; height: 3px; border-radius: 2px; background: var(--canvas-mid); overflow: hidden; min-width: 60px; }
.fx-bar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width .5s cubic-bezier(.16,1,.3,1);
}
.fx-step {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em;
  color: var(--body-dim); white-space: nowrap; font-variant-numeric: tabular-nums;
}
.fx-step b { color: var(--accent-soft); font-weight: 500; }

/* ---------- PALCO ---------- */
.fx-stage {
  position: relative; overflow-y: auto; overflow-x: hidden;
  display: grid; align-items: center;
  padding: clamp(24px, 5vh, 56px) clamp(20px, 4vw, 48px);
  overscroll-behavior: contain;
}

.q {
  grid-area: 1 / 1;
  width: 100%; max-width: 620px; margin: 0 auto;
  display: none; flex-direction: column;
}
.q.is-active { display: flex; animation: qIn .55s cubic-bezier(.16,1,.3,1) both; }
.q.is-out    { display: flex; animation: qOut .22s ease forwards; pointer-events: none; }
.q.is-back.is-active { animation-name: qInBack; }

@keyframes qIn     { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
@keyframes qInBack { from { opacity: 0; transform: translateY(-34px); } to { opacity: 1; transform: none; } }
@keyframes qOut    { to   { opacity: 0; transform: translateY(-22px); } }

.q-idx {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.q-title {
  font-size: clamp(27px, 4vw, 38px); font-weight: 700; letter-spacing: -.026em;
  line-height: 1.1; color: var(--ink);
}
.q-help { margin-top: 12px; font-size: 16px; color: var(--body-mid); max-width: 45ch; }
.q-opt-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--body-dim); margin-top: 12px; }

/* ---------- CAMPO DE TEXTO ---------- */
.q-input, .q-area {
  width: 100%; min-height: 56px; margin-top: 28px;
  background: transparent; border: 0; border-bottom: 1.5px solid var(--hairline-strong);
  padding: 10px 2px 14px; color: var(--ink);
  font-family: var(--sans); font-size: clamp(20px, 2.6vw, 28px); font-weight: 500; letter-spacing: -.015em;
  transition: border-color .25s ease;
}
.q-area { font-size: clamp(16px, 1.8vw, 19px); font-weight: 400; line-height: 1.55; resize: none; min-height: 92px; border: 1px solid var(--hairline-strong); border-radius: 12px; padding: 16px; background: var(--canvas-card); }
.q-input::placeholder, .q-area::placeholder { color: var(--body-dim); font-weight: 400; }
.q-input:focus, .q-area:focus { outline: none; border-color: var(--accent); }
.q.has-err .q-input, .q.has-err .q-area { border-color: var(--neon-red); }

/* ---------- OPÇÕES ---------- */
.q-opts { margin-top: 24px; display: flex; flex-direction: column; gap: 8px; }
.q-opts:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.q-opts button {
  display: flex; align-items: center; gap: 16px; width: 100%; text-align: left;
  border: 1px solid var(--hairline-strong); border-radius: 12px;
  background: var(--canvas-card); color: var(--body);
  min-height: 52px; padding: 14px 16px; font-size: 16px;
  transition: border-color .2s ease, background .2s ease, color .2s ease, transform .12s ease;
}
.q-opts button:hover { border-color: var(--accent); color: var(--ink); background: rgba(20,227,154,.05); }
.q-opts button:active { transform: scale(.99); }
.q-opts button.on { border-color: var(--accent); background: rgba(20,227,154,.09); color: var(--ink); }
.q-key {
  flex: none; display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 6px;
  border: 1px solid var(--hairline-strong);
  font-family: var(--mono); font-size: 11px; color: var(--body-mid);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.q-opts button:hover .q-key, .q-opts button.on .q-key { border-color: var(--accent); color: var(--accent); background: rgba(20,227,154,.08); }

/* ---------- AÇÕES ---------- */
.q-actions { display: flex; align-items: center; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.q-actions .btn { min-height: 52px; }
.fx .btn-primary,
.fx-next { color: var(--canvas) !important; }
.q-hint { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--body-dim); }
.q-hint b { color: var(--body-mid); font-weight: 500; }
.q-skip { min-height: 52px; padding: 0 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--body-dim); text-decoration: underline; text-underline-offset: 4px; }
.q-skip:hover { color: var(--accent-soft); }
.q-err { margin-top: 14px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; color: var(--neon-red); min-height: 16px; }
.q-submit-err {
  max-width: 34rem;
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 107, 107, .28);
  border-radius: 10px;
  background: rgba(255, 107, 107, .08);
  color: #ffb7b7;
  font-size: 13px;
  line-height: 1.45;
}

/* ---------- ACEITE ---------- */
.q-check {
  display: flex; gap: 14px; align-items: flex-start; min-height: 52px; margin-top: 20px;
  border: 1px solid var(--hairline-strong); border-radius: 12px; padding: 16px;
  background: var(--canvas-card); cursor: pointer; font-size: 16px; color: var(--body-mid);
  transition: border-color .2s ease;
}
.q-check:hover { border-color: var(--hairline-strong); }
.q-check input { width: 20px; height: 20px; flex: none; margin-top: 1px; accent-color: var(--accent); cursor: pointer; }
.q.has-err .q-check { border-color: var(--neon-red); }

/* ---------- RESUMO ---------- */
.q-review { margin-top: 22px; border: 1px solid var(--hairline); border-radius: 12px; overflow: hidden; }
.q-review li { display: flex; gap: 12px; padding: 11px 14px; border-top: 1px solid var(--hairline); font-size: 14px; background: var(--canvas-card); }
.q-review li:first-child { border-top: 0; }
.q-review .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--body-dim); flex: none; width: 100px; padding-top: 3px; }
.q-review .v { color: var(--ink); }

/* ---------- INTRO / FIM ---------- */
.q--wide { max-width: 780px; }
.q-facts { margin-top: 30px; border-top: 1px solid var(--hairline); }
.q-facts li { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--hairline); font-size: 14.5px; color: var(--body-mid); }
.q-facts .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); flex: none; width: 92px; padding-top: 3px; }
.q-facts b { color: var(--ink); font-weight: 700; }

.q-tick {
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--accent); box-shadow: 0 0 40px var(--accent-glow); margin-bottom: 28px;
}

.fx-count { margin-top: 30px; display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--body-mid);
  border: 1px solid var(--hairline-strong); border-radius: 9999px; padding: 9px 16px; }
.fx-count b { color: var(--accent-soft); font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---------- RODAPÉ ---------- */
.fx-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 14px clamp(20px, 4vw, 48px);
  border-top: 1px solid var(--hairline);
}
.fx-foot p { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--body-dim); }
.fx-foot a { color: var(--body-mid); }
.fx-foot a:hover { color: var(--accent-soft); }

@media (max-width: 620px) {
  .fx { min-height: 100dvh; }
  .fx-brand { display: none; }
  .fx-top { padding: 10px 20px; }
  .q-title { font-size: 29px; }
  .q-input { font-size: 20px; margin-top: 24px; }
  .q-area { font-size: 16px; }
  .q-opts { margin-top: 24px; }
  /* alvo de toque: nenhuma opção abaixo de 52px, e o botão de
     voltar chega a 44px */
  .q-opts button { padding: 14px 16px; gap: 12px; min-height: 52px; font-size: 16px; }
  .fx-back { width: 52px; height: 52px; }
  .q-check { padding: 16px; }
  .q-help { font-size: 16px; }
  .q-key { display: none; }
  .q-hint { display: none; }
  .fx-stage { align-items: start; padding: 24px 20px 32px; }
  .q-review .k { width: 82px; }
  .q-review .v { overflow-wrap: anywhere; }
  .fx-foot { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .q.is-active, .q.is-out { animation: none; }
  .fx-bar i { transition: none; }
}