/* A Cidade Proibida é a tela de título: o portal fechado, com 紫禁城 dentro, e a senha que o abre. */
body {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 32px 16px;
}

.portao {
  display: grid;
  justify-items: center;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.portal-fechado {
  position: relative;
  display: grid;
  place-items: center;
  width: 196px;
  height: 196px;
  margin-bottom: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 42%, color-mix(in oklab, var(--t1) 7%, transparent), transparent 70%);
}
.anel {
  position: absolute;
  inset: 0;
  border: 1px solid var(--borda-forte);
  border-radius: 50%;
  -webkit-mask: conic-gradient(#000 var(--traco), transparent 0);
  mask: conic-gradient(#000 var(--traco), transparent 0);
  animation: desenhar 1200ms var(--ease-io) 100ms backwards;
}
@keyframes desenhar { from { --traco: 0%; } to { --traco: 100%; } }

.emblema {
  writing-mode: vertical-rl;
  font-size: 38px;
  line-height: 1;
  letter-spacing: .1em;
  background: linear-gradient(180deg, var(--t1), color-mix(in oklab, var(--t1) 40%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: emergir 1000ms var(--ease) 400ms backwards;
}
@keyframes emergir { from { opacity: 0; filter: blur(10px); } }

h1 { margin: 0; font: 600 var(--f28)/1.1 var(--serif); letter-spacing: -.015em; }

.sub { margin: 8px 0 28px; color: var(--t2); }

.form {
  display: grid;
  gap: 8px;
  width: 100%;
  text-align: left;
  animation: subir 600ms var(--ease) 500ms backwards;
}
@keyframes subir { from { opacity: 0; transform: translateY(6px); } }

label { color: var(--t2); font-size: var(--f12); font-weight: 500; }

.campo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 16px;
  border: 1px solid var(--borda-forte);
  border-radius: var(--r-pilula);
  background: var(--s1);
  color: var(--t3);
  transition: border-color var(--duracao), box-shadow var(--duracao);
}
.campo:focus-within { border-color: var(--t2); box-shadow: 0 0 0 4px color-mix(in oklab, var(--t1) 8%, transparent); }
.campo svg { width: 16px; height: 16px; }

input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--t1);
  font: var(--f16)/1 var(--sans);
}
input::placeholder { color: var(--t3); }
input:focus-visible { outline: none; }

.erro { margin: 2px 0 0; color: var(--fenix-texto); font-size: 13px; }

button {
  height: 46px;
  margin-top: 8px;
  border: 0;
  border-radius: var(--r-pilula);
  background: var(--neutro);
  color: var(--sobre-neutro);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duracao);
}
button:hover { background: color-mix(in oklab, var(--neutro) 84%, var(--fundo)); }