/* ==========================================================
   LEARN TECH - AUTENTICAÇÃO (login, cadastro e redefinir senha)
   Usado em: autenticacao.html
   ========================================================== */


body {
  background: linear-gradient(#1b1033, #0a0d18);
  color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER / BARRA DE NAVEGAÇÃO */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 36px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
}

.brand-logo span {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  color: #3b82f6;
  transform: scale(1.05);
}

.brand-logo span:hover {
  color: #38bdf8;
  transform: scale(1.05);
}

nav {
  display: flex;
  gap: 48px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover {
  color: #38bdf8;
  transform: scale(1.05);
}

.auth-buttons {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn-nav-login {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
  padding: 7px 22px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-nav-cadastrar {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
  padding: 7px 22px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-nav-login:hover {
  background: #3b82f6;
  transform: scale(1.05);
}

.btn-nav-cadastrar:hover {
  background: #3b82f6;
  transform: scale(1.05);
}

/* ÁREA PRINCIPAL DA AUTENTICAÇÃO */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 36px 36px;
}

.auth-wrapper {
  width: 100%;
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  column-gap: 80px;
  align-items: center;
}

/* COLUNA ESQUERDA: ILUSTRAÇÃO E TÍTULO */
.auth-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.auth-title {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1.15;
}

.book-illustration {
  width: 250px;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.5));
}

/* COLUNA DIREITA: FORMULÁRIO DINÂMICO */
.auth-form-container {
  width: 100%;
  max-width: 500px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ESTRUTURA DO INPUT RETANGULAR COM ÍCONE E TEXTO */
.input-field-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 6px;
  padding: 14px 18px;
  background: transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-field-wrapper:focus-within {
  border-color: #3b82f6;
  box-shadow: 0 0 0 1px #3b82f6;
}

.field-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.field-icon svg {
  width: 100%;
  height: 100%;
}

.field-label {
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  white-space: nowrap;
  text-transform: uppercase;
  color: #ffffff;
  user-select: none;
}

.field-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-size: 15px;
  padding-left: 6px;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* LINKS DE APOIO / REDIRECIONAMENTO */
.auth-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: -4px;
}

.auth-code-message {
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.auth-loading {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 10, 22, 0.76);
  backdrop-filter: blur(4px);
}

.auth-loading-card {
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(100%, 320px);
  padding: 28px 24px;
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 12px;
  background: #10192d;
  color: #ffffff;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.auth-loading-card p {
  font-size: 15px;
  font-weight: 700;
}

.auth-loading-card small {
  color: #94a3b8;
  font-size: 12px;
}

.auth-loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(148, 163, 184, 0.3);
  border-top-color: #38bdf8;
  border-radius: 50%;
  animation: auth-loading-spin 0.8s linear infinite;
}

@keyframes auth-loading-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-loading-spinner {
    animation-duration: 1.8s;
  }
}

.login-channel-options {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.login-channel-options legend {
  margin-bottom: 10px;
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 800;
}

.login-channel-option {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
}

.login-channel-option[hidden] {
  display: none;
}

.login-channel-option:has(input:checked) {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
}

.login-channel-option input {
  accent-color: #38bdf8;
}

.login-channel-option span {
  display: grid;
  gap: 3px;
  font-weight: 700;
}

.login-channel-option small {
  color: #94a3b8;
  font-size: 12px;
  font-weight: 500;
}

.link-helper {
  color: #94a3b8;
  font-size: 12.5px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  transition: color 0.2s;
}

.link-helper:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* BOTÃO DE AÇÃO CENTRALIZADO (PÍLULA) */
.btn-submit-container {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.btn-submit {
  background: #2b6ce6;
  color: #ffffff;
  border: none;
  min-width: 240px;
  height: 48px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0 32px;
  transition: background 0.2s, transform 0.1s;
}

.btn-submit:hover {
  background: #1e58c7;
}

.btn-submit:active {
  transform: scale(0.98);
}

.btn-submit.btn-submit-wide {
  min-width: 280px;
}

.btn-demo-access {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 6px;
  background: transparent;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.btn-demo-access:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
}


/* ==========================================================
   MEDIA QUERIES - RESPONSIVIDADE
   ========================================================== */

@media (max-width: 900px) {
  header {
    padding: 14px 20px;
  }

  nav {
    display: none;
  }
}

@media (max-width: 880px) {
  .auth-wrapper {
    grid-template-columns: 1fr;
    row-gap: 36px;
  }

  .auth-visual {
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 768px) {
  header {
    padding: 16px 20px;
    flex-wrap: wrap;
  }

  main {
    padding: 20px;
  }

  .auth-title {
    font-size: 26px;
  }

  .book-illustration {
    width: 180px;
  }

  .btn-submit {
    min-width: 100%;
    width: 100%;
  }

  .field-label {
    font-size: 11px;
  }

  .input-field-wrapper {
    padding: 12px 14px;
  }
}

@media (max-width: 480px) {
  main {
    padding: 16px;
  }

  .auth-wrapper {
    row-gap: 24px;
  }

  .auth-title {
    font-size: 23px;
  }

  .book-illustration {
    width: 140px;
  }

  .input-field-wrapper {
    gap: 10px;
    padding: 11px 12px;
  }

  .field-icon {
    width: 24px;
    height: 24px;
  }

  .field-input {
    min-width: 0;
    font-size: 14px;
  }

  .btn-submit,
  .btn-submit.btn-submit-wide {
    min-width: 0;
    width: 100%;
    padding-inline: 16px;
  }
}


/* ==========================================================
   INTEGRAÇÃO COM O BACK-END
   Campos novos do cadastro (telefone e tipo de conta)
   ========================================================== */

.field-input::placeholder {
  color: #94a3b8;
  font-weight: 500;
}

select.field-input {
  cursor: pointer;
  color-scheme: dark;
}

/* Sem isso as opções da lista aparecem brancas sobre fundo branco */
select.field-input option {
  background: #1b1033;
  color: #ffffff;
}