/* ==========================================================
   THE BUTCHER — Login / Cadastro
   Mesma identidade visual da página "Sobre Nós"
   (açougue premium: carvão, osso, ferrugem, latão)
   ========================================================== */

:root {
  --carvao-profundo: #0d0b09;
  --carvao: #14110f;
  --carvao-claro: #1b1815;
  --carvao-card: #1c1815;
  --osso: #f3ede1;
  --osso-suave: #cfc5b2;
  --texto-corpo: #b8b0a4;
  --texto-fraco: #8a8277;
  --ferrugem: #a3402c;
  --ferrugem-clara: #c9553c;
  --latao: #c69a4e;

  --fonte-titulo: 'Fraunces', serif;
  --fonte-corpo: 'Inter', sans-serif;

  --raio: 16px;
  --raio-sm: 10px;
  --sombra-suave: 0 10px 30px rgba(0, 0, 0, 0.35);
  --sombra-forte: 0 24px 48px rgba(0, 0, 0, 0.5);
  --transicao: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --borda-fina: 1px solid color-mix(in srgb, var(--osso) 8%, transparent);
}

/* --- 1. RESET BÁSICO --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: var(--fonte-corpo);
  line-height: 1.6;
  color: var(--texto-corpo);
  background-color: var(--carvao);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

::selection {
  background: var(--ferrugem);
  color: var(--osso);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--latao);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* --- 2. CABEÇALHO --- */
header {
  background: transparent;
  border-bottom: 1px solid color-mix(in srgb, var(--osso) 12%, transparent);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0.2rem;
  max-width: 1400px;
  margin: 0 auto;
  gap: 4rem;
}

.logo a {
  display: block;
}

.logo-img {
  width: 70px;
  height: 60px;
  object-fit: cover;
  display: block;
  border-radius: var(--raio-sm);
}

.menu {
  list-style: none;
  display: flex;
  gap: 6rem;
}

.menu li a {
  text-decoration: none;
  color: var(--osso-suave);
  font-weight: 600;
  transition: color var(--transicao);
}

.menu li a:hover {
  color: var(--latao);
}

.cart {
  cursor: pointer;
  display: flex;
  align-items: center;
}

.cart svg {
  width: 28px;
  height: 28px;
  color: var(--osso-suave);
}

/* --- 3. MAIN --- */
main {
  padding-top: 88px;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --- 4. CONTAINER DO FORMULÁRIO --- */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 40px 20px;
}

/* --- 5. CAIXA DO FORMULÁRIO --- */
.auth-box {
  background-color: var(--carvao-card);
  background-image: linear-gradient(160deg, color-mix(in srgb, var(--latao) 4%, transparent), transparent 55%);
  border: var(--borda-fina);
  padding: 40px 40px 34px;
  border-radius: var(--raio);
  box-shadow: var(--sombra-forte);
  width: 100%;
  max-width: 400px;
  text-align: center;
  transition: border-color var(--transicao);
}

.auth-box:hover {
  border-color: color-mix(in srgb, var(--latao) 25%, transparent);
}

/* Logo do hamburguer dentro da caixa */
.login-logo {
  display: block;
  width: 76px;
  height: 76px;
  object-fit: cover;
  margin: 0 auto 18px auto;
  border-radius: var(--raio-sm);
  border: 1px solid color-mix(in srgb, var(--latao) 35%, transparent);
}

.auth-box h2 {
  margin-bottom: 10px;
  color: var(--osso);
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: clamp(1.6rem, 3vw, 1.9rem);
  letter-spacing: 0.01em;
}

.subtitle {
  margin-bottom: 30px;
  color: var(--texto-fraco);
  font-size: 14px;
}

/* --- Mensagens de alerta (sucesso / erro) --- */
#mensagem {
  font-family: var(--fonte-corpo);
  font-weight: 500;
}

/* --- 6. GRUPOS DE INPUTS --- */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--osso-suave);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: 12px 15px;
  background-color: var(--carvao);
  border: 1px solid color-mix(in srgb, var(--osso) 14%, transparent);
  border-radius: var(--raio-sm);
  font-size: 15px;
  font-family: var(--fonte-corpo);
  color: var(--osso);
  box-sizing: border-box;
  transition: border-color var(--transicao), box-shadow var(--transicao);
}

.form-group input:focus {
  outline: none;
  border-color: var(--latao);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--latao) 18%, transparent);
}

.form-group input::placeholder {
  color: var(--texto-fraco);
}

/* --- 7. CHECKBOX --- */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: normal;
  cursor: pointer;
  color: var(--texto-corpo);
  font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--ferrugem);
}

/* --- 8. BOTÃO PRINCIPAL --- */
.btn-auth {
  width: 100%;
  padding: 14px;
  background-color: var(--ferrugem);
  color: var(--osso);
  border: none;
  border-radius: var(--raio-sm);
  font-size: 16px;
  font-family: var(--fonte-corpo);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color var(--transicao), transform 0.2s;
  margin-top: 10px;
}

.btn-auth:hover {
  background-color: var(--ferrugem-clara);
  transform: translateY(-2px);
}

.btn-auth:active {
  transform: translateY(0);
}

/* --- 9. LINKS --- */
.auth-links {
  text-align: center;
  margin-top: 20px;
}

.auth-links a {
  color: var(--latao);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transicao);
}

.auth-links a:hover {
  color: var(--ferrugem-clara);
  text-decoration: underline;
}

.auth-links span {
  color: var(--texto-fraco);
  font-size: 14px;
}

/* --- RESPONSIVO --- */
@media (max-width: 480px) {
  .auth-box {
    padding: 32px 26px 28px;
  }
}

/* --- 10. RODAPÉ (idêntico ao da página Sobre Nós) --- */
footer {
  background: var(--carvao-claro);
  color: var(--osso-suave);
  padding: 44px 32px 24px;
  border-top: 1px solid color-mix(in srgb, var(--latao) 15%, transparent);
}

.footer-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-top img {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--latao);
}

.footer-top span {
  font-family: var(--fonte-titulo);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--osso);
}

.tagline {
  font-size: 14.5px;
  color: var(--osso-suave);
  margin-bottom: 26px;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.social {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--osso-suave);
  font-size: 13.5px;
  transition: color 0.25s ease;
}

.social:hover,
.social:focus-visible {
  color: var(--latao);
}

.social .icon {
  width: 32px;
  height: 32px;
  border: 1px solid color-mix(in srgb, var(--osso) 20%, transparent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.social:hover .icon,
.social:focus-visible .icon {
  border-color: var(--latao);
  background: color-mix(in srgb, var(--latao) 10%, transparent);
}

.social .icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

footer hr {
  border: none;
  border-top: 1px solid color-mix(in srgb, var(--osso) 8%, transparent);
  margin-bottom: 16px;
}

.footer-bottom {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  color: #7c766c;
  font-size: 12px;
}

.footer-bottom img {
  width: 16px;
  height: 16px;
  object-fit: cover;
}