:root {
  --ciano: #1eb4e8;
  --azul: #1e6fd9;
  --verde: #6bbf3b;
  --fundo: #f2fafe;
  --texto: #1f2a37;
  --suave: #64748b;
  --borda: #d6e8f2;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; padding: 24px 16px;
  font-family: 'Inter', system-ui, sans-serif; color: var(--texto);
  background: linear-gradient(180deg, #e3f5fd 0%, var(--fundo) 60%);
  display: flex; justify-content: center; align-items: flex-start;
}
.card {
  width: 100%; max-width: 560px; background: #fff; border-radius: 24px;
  padding: 88px 24px 28px; position: relative; margin-top: 48px;
  box-shadow: 0 20px 50px rgba(30, 111, 217, .12);
}
.logo {
  position: absolute; top: -48px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 96px; border-radius: 50%; border: 4px solid #fff;
  box-shadow: 0 8px 20px rgba(30, 180, 232, .3); background: #fff;
}
h1 { margin: 0 0 6px; font-size: 1.5rem; text-align: center; color: var(--azul); }
.sub { text-align: center; color: var(--suave); margin: 0 0 20px; line-height: 1.5; }
.progress { height: 6px; background: var(--borda); border-radius: 99px; overflow: hidden; margin-bottom: 24px; }
#bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--ciano), var(--verde)); transition: width .3s; }
.pergunta { margin-bottom: 24px; }
.pergunta > label, .pergunta > .titulo { display: block; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.opcoes { display: flex; flex-wrap: wrap; gap: 8px; }
.opcao input { position: absolute; opacity: 0; pointer-events: none; }
.opcao span {
  display: inline-block; padding: 10px 16px; border: 1.5px solid var(--borda);
  border-radius: 99px; cursor: pointer; font-size: .95rem; transition: all .15s;
}
.opcao span:hover { border-color: var(--ciano); }
.opcao input:checked + span { background: var(--ciano); border-color: var(--ciano); color: #fff; font-weight: 500; }
.opcao input:focus-visible + span { outline: 3px solid rgba(30, 180, 232, .4); }
textarea {
  width: 100%; min-height: 90px; padding: 12px 14px; font: inherit; resize: vertical;
  border: 1.5px solid var(--borda); border-radius: 14px;
}
textarea:focus { outline: none; border-color: var(--ciano); box-shadow: 0 0 0 3px rgba(30, 180, 232, .2); }
button, .btn {
  display: block; width: 100%; padding: 14px; border: 0; border-radius: 14px; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 1rem; color: #fff; text-align: center; text-decoration: none;
  background: linear-gradient(90deg, var(--ciano), var(--azul));
}
button:hover, .btn:hover { filter: brightness(1.06); }
button:disabled { opacity: .6; cursor: wait; }
.erro { color: #d33; text-align: center; margin: 0 0 12px; }
#done-view { text-align: center; }
.check {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--verde);
  color: #fff; font-size: 2rem; line-height: 64px;
}
#done-view .btn { background: var(--verde); }
.nav { display: flex; gap: 10px; }
.nav button { flex: 1; }
.nav button.sec { flex: 0 0 auto; width: auto; padding: 14px 22px; background: #fff; color: var(--azul); border: 1.5px solid var(--borda); }
.nav button.sec[hidden] { display: none; }
.contador { text-align: center; color: var(--suave); font-size: .85rem; margin-bottom: 8px; }
.pergunta { animation: entra .25s ease; }
@keyframes entra { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: none; } }