/* Reset e box-sizing */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f4f8;
  color: #1e293b;
}

/* O main deve ocupar o espaço entre header e footer sem modificar eles */
main.login-main, main.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 140px); /* Ajuste conforme a altura do header+footer */
  box-sizing: border-box;
  overflow-y: auto;
}

/* Container centralizado do formulário */
.login-container, .login-wrapper {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 2rem 2.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  max-width: 400px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-sizing: border-box;
}

/* Título */
.login-title, .login-form h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #0369a1;
  text-align: center;
  letter-spacing: 0.05em;
}

/* Mensagem de erro */
.login-error {
  background-color: #fee2e2;
  color: #b91c1c;
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  text-align: center;
  user-select: none;
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Labels */
.login-form label {
  font-weight: 600;
  font-size: 1rem;
  color: #334155;
  display: block;
}

/* Inputs */
.login-form input[type="text"],
.login-form input[type="password"] {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border-radius: 10px;
  border: 1.6px solid #94a3b8;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline-offset: 2px;
  width: 100%;
  box-sizing: border-box;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
  border-color: #0284c7;
  box-shadow: 0 0 8px rgba(2,132,199,0.5);
}

/* Botão submit estilizado */
.login-form .btn-submit {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  color: white;
  font-weight: 700;
  font-size: 1.15rem;
  padding: 0.85rem 0;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  width: 100%;
  user-select: none;
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.4);
  transition: background 0.35s ease, transform 0.25s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}

.login-form .btn-submit:hover,
.login-form .btn-submit:focus {
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.6);
  transform: translateY(-3px);
  outline: none;
}

/* Efeito brilho suave no botão */
.login-form .btn-submit::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 60%);
  transform: translateX(-100%) rotate(25deg);
  transition: transform 0.6s ease;
  pointer-events: none;
  border-radius: 14px;
  z-index: 1;
}

.login-form .btn-submit:hover::before {
  transform: translateX(100%) rotate(25deg);
}

/* RESPONSIVO */
@media (max-width: 480px) {
  main.login-main, main.login-page {
    padding: 1rem 1rem;
    min-height: calc(100vh - 120px);
  }

  .login-container, .login-wrapper {
    padding: 1.5rem 1.5rem;
    max-width: 100%;
    margin: 0 0.5rem;
  }

  .login-title, .login-form h2 {
    font-size: 1.6rem;
  }

  .login-form input[type="text"],
  .login-form input[type="password"] {
    font-size: 0.95rem;
    padding: 0.65rem 0.9rem;
  }

  .login-form .btn-submit {
    font-size: 1rem;
    padding: 0.75rem 0;
  }
}