/* ===============================
   FUNDO COM BOLHAS ANIMADAS
================================*/
body,
.login-page {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 20% 20%, #ffffff33 0%, transparent 40%),
              radial-gradient(circle at 80% 30%, #ffffff22 0%, transparent 40%),
              radial-gradient(circle at 50% 80%, #ffffff44 0%, transparent 40%),
              linear-gradient(135deg, #1e3c72, #2a5298);
  background-size: cover;
  animation: bubbleFlow 15s ease infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Poppins", sans-serif;
}

/* Animação suave das bolhas */
@keyframes bubbleFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===============================
   CAIXA DE LOGIN
================================*/
.login-box {
  width: 400px;
  max-width: 90%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 18px;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.3);
  padding: 2.5rem 2rem;
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 1;
}

/* ===============================
   LOGO COM ANIMAÇÃO SUAVE
================================*/
.logo-animado {
  width: 120px;
  margin-bottom: 1rem;
  animation: flutuarLogo 4s ease-in-out infinite;
}

@keyframes flutuarLogo {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

/* ===============================
   TÍTULO E TEXTO
================================*/
.login-box h4 {
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  margin-bottom: 0.3rem;
}

.login-box p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* ===============================
   CAMPOS E BOTÕES
================================*/
.login-box .form-label {
  color: #fff;
  font-weight: 500;
  text-align: left;
  display: block;
}

.login-box .form-control {
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  color: #1e3c72;
}

.login-box .form-control:focus {
  box-shadow: 0 0 0 0.25rem rgba(42, 82, 152, 0.35);
  outline: none;
}

.login-box .btn-primary {
  background: linear-gradient(135deg, #2a5298, #1e3c72);
  border: none;
  border-radius: 10px;
  padding: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  width: 100%;
  transition: all 0.3s ease;
}

.login-box .btn-primary:hover {
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  transform: scale(1.03);
}

/* Checkbox e link */
.login-box .form-check-label,
.login-box a {
  color: rgba(255, 255, 255, 0.85);
}

.login-box a:hover {
  color: #fff;
  text-decoration: underline;
}