/* Login e cadastro: tela sempre escura, qualquer que seja o tema do app.
   Todas as cores derivam das variaveis do tema (--cor-primaria, --cor-destaque...). */

body.login-page {
  /* Paleta local escura: reescreve so o que o style.css usa nos campos e textos. */
  --l-escuro: #000;
  --l-claro: #fff;
  --cor-texto: color-mix(in srgb, var(--cor-primaria) 5%, var(--l-claro));
  --cor-texto-suave: color-mix(in srgb, var(--l-claro) 68%, transparent);
  --cor-borda: color-mix(in srgb, var(--l-claro) 18%, transparent);
  --cor-superficie-2: color-mix(in srgb, var(--l-claro) 7%, transparent);
  --cor-hover: color-mix(in srgb, var(--l-claro) 10%, transparent);
  --cor-link: color-mix(in srgb, var(--cor-destaque) 80%, var(--l-claro));
  --cor-erro: color-mix(in srgb, var(--cor-erro) 55%, var(--l-claro));
  --anel-foco: color-mix(in srgb, var(--cor-destaque) 32%, transparent);

  display: block;
  padding: 0;
  min-height: 100vh;
  color: var(--cor-texto);
  background:
    radial-gradient(110% 90% at 12% 8%, color-mix(in srgb, var(--cor-primaria) 62%, var(--l-escuro)) 0%, transparent 62%),
    radial-gradient(90% 80% at 100% 100%, color-mix(in srgb, var(--cor-primaria) 30%, var(--l-escuro)) 0%, transparent 60%),
    color-mix(in srgb, var(--cor-primaria) 7%, var(--l-escuro));
  background-attachment: fixed;
  overflow-x: hidden;
}

.login-particulas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem clamp(1.25rem, 4vw, 3rem);
}

/* ---------- coluna da marca ---------- */
.login-marca { display: flex; flex-direction: column; gap: 1.75rem; max-width: 34rem; }

.login-selo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  align-self: flex-start;
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}
.login-selo .marca-logo { height: 44px; min-width: 44px; }
.login-selo .marca-logo img { max-height: 44px; max-width: 160px; }
.login-selo .marca-logo:has(img) {
  background: color-mix(in srgb, var(--l-claro) 94%, transparent);
  padding: 0.35rem 0.7rem;
  border-radius: var(--raio);
}
.login-selo .marca-logo-iniciais { width: 44px; font-size: 1rem; box-shadow: 0 0 0 2px color-mix(in srgb, var(--cor-destaque) 80%, transparent); }

/* filete duplo da marca (mesmo gesto do timbre usado nos cartoes) */
.login-titulo {
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  padding-bottom: 1.4rem;
  border-bottom: 3px double var(--cor-destaque);
  text-wrap: balance;
}
.login-slogan {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--cor-texto-suave);
}
.login-slogan[hidden] { display: none; }

/* ---------- cartao de vidro ---------- */
.login-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  justify-self: center;
  padding: 2.25rem 2rem 1.75rem;
  border-radius: var(--raio-card);
  background: color-mix(in srgb, var(--cor-primaria) 26%, rgba(0, 0, 0, 0.62));
  border: 1px solid color-mix(in srgb, var(--l-claro) 16%, transparent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 color-mix(in srgb, var(--l-claro) 12%, transparent);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .login-card { background: color-mix(in srgb, var(--cor-primaria) 24%, #05080a); }
}
.login-card h1 { font-family: var(--fonte-titulo); font-size: 1.6rem; margin: 0 0 0.3rem; color: var(--cor-texto); }
.login-card p.subtitulo { color: var(--cor-texto-suave); font-size: 0.92rem; margin: 0 0 1.4rem; }
.login-card label { color: var(--cor-texto); }
.login-card input {
  background: color-mix(in srgb, var(--l-claro) 7%, transparent);
  color: var(--cor-texto);
  border-color: var(--cor-borda);
}
.login-card input:-webkit-autofill {
  -webkit-text-fill-color: var(--cor-texto);
  box-shadow: 0 0 0 1000px color-mix(in srgb, var(--cor-primaria) 40%, #000) inset;
  caret-color: var(--cor-texto);
}
.login-card a { color: var(--cor-link); font-weight: 600; text-decoration: none; }
.login-card a:hover { text-decoration: underline; }
.login-card a:focus-visible,
.login-card button:focus-visible { outline: 2px solid var(--cor-destaque); outline-offset: 2px; }
.login-card .rodape { margin-top: 1.25rem; font-size: 0.85rem; text-align: center; color: var(--cor-texto-suave); }
.login-card .erro { min-height: 1.3em; line-height: 1.4; }

.login-par { display: grid; grid-template-columns: 1fr 1fr; gap: 0 0.9rem; }

.login-card button.primario {
  background: var(--cor-primaria); /* fallback sem color-mix */
  background: linear-gradient(135deg, var(--cor-primaria), color-mix(in srgb, var(--cor-primaria) 70%, var(--cor-destaque)));
  color: var(--cor-primaria-texto);
  border: 0;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--cor-destaque) 22%, transparent);
  transition: filter 0.15s ease, transform 0.1s ease;
}
.login-card button.primario:hover:not(:disabled) { filter: brightness(1.1); }
.login-card button.primario:disabled { opacity: 0.7; cursor: progress; }

.login-page .tema-alternar.flutuante {
  z-index: 2;
  background: color-mix(in srgb, var(--l-claro) 8%, transparent);
  border-color: var(--cor-borda);
  color: var(--cor-texto);
}
.login-page .tema-alternar.flutuante:hover { background: var(--cor-hover); }

/* tremida em erro */
@keyframes login-tremer {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-8px); }
  36% { transform: translateX(7px); }
  54% { transform: translateX(-5px); }
  72% { transform: translateX(3px); }
}
.login-card.tremer { animation: login-tremer 0.42s ease; }

@keyframes login-entrar {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.login-marca, .login-card { animation: login-entrar 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.login-card { animation-delay: 0.12s; }
.login-card.tremer { animation: login-tremer 0.42s ease; }

@media (prefers-reduced-motion: reduce) {
  .login-marca, .login-card, .login-card.tremer { animation: none; }
  .login-card button.primario { transition: none; }
}

/* ---------- empilha ---------- */
@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; align-items: start; gap: 2rem; padding-top: 4.5rem; padding-bottom: 2rem; }
  .login-marca { gap: 1rem; max-width: none; }
  .login-titulo { font-size: clamp(1.6rem, 6.5vw, 2.2rem); padding-bottom: 1rem; }
  .login-slogan { font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .login-card { padding: 1.75rem 1.25rem 1.5rem; }
  .login-par { grid-template-columns: 1fr; }
}