/**
 * Fundo imersivo e inovador para a página de login minimalista
 * Adiciona elementos visuais dinâmicos e modernos
 */

:root {
  --primary-color: #2c578a;
  --text-color: #ffffff;
}

/* Fundo principal com gradiente dinâmico */
.login-container {
  background: linear-gradient(135deg, #e8f0fb, #d1e3f6);
  position: relative;
  overflow: hidden;
}

/* Formas flutuantes no background */
.login-container::before,
.login-container::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--primary-color);
  opacity: 0.05;
  animation: float 15s infinite ease-in-out;
}

.login-container::before {
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.login-container::after {
  bottom: -100px;
  right: -100px;
  width: 200px;
  height: 200px;
  animation-delay: -7s;
}

/* Efeito de grade no background */
.login-container .grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
}

/* Estrelas cintilantes */
.star {
  position: absolute;
  background-color: var(--primary-color);
  border-radius: 50%;
  opacity: 0;
  animation: twinkle 5s infinite ease-in-out;
}

.star:nth-child(1) {
  width: 3px;
  height: 3px;
  top: 15%;
  left: 20%;
  animation-delay: 0s;
}

.star:nth-child(2) {
  width: 2px;
  height: 2px;
  top: 25%;
  left: 80%;
  animation-delay: 1s;
}

.star:nth-child(3) {
  width: 4px;
  height: 4px;
  top: 65%;
  left: 10%;
  animation-delay: 2s;
}

.star:nth-child(4) {
  width: 3px;
  height: 3px;
  top: 75%;
  left: 70%;
  animation-delay: 3s;
}

.star:nth-child(5) {
  width: 2px;
  height: 2px;
  top: 45%;
  left: 90%;
  animation-delay: 4s;
}

/* Animações */
@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-30px) rotate(10deg);
  }
}

@keyframes twinkle {
  0%, 100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.2);
  }
}

/* Efeito de brilho no card principal */
.main-card {
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.main-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0)
  );
  transform: rotate(30deg);
  animation: shine 8s infinite linear;
  pointer-events: none;
}

@keyframes shine {
  from {
    transform: rotate(30deg) translateX(-100%);
  }
  to {
    transform: rotate(30deg) translateX(100%);
  }
}

/* Efeito de destaque para o lado do conteúdo */
.content-side {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #d1e3f6, #e8f0fb);
}

.content-side::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 70%, rgba(44, 87, 138, 0.1), transparent 70%);
  z-index: -1;
}

/* Responsividade para os efeitos de fundo */
@media (max-width: 768px) {
  .login-container::before,
  .login-container::after {
    width: 150px;
    height: 150px;
  }
  
  .login-container .grid-overlay {
    background-size: 30px 30px;
  }
}

/* Adiciona elementos de estrelas ao DOM via CSS */
.login-container::after {
  content: '';
}

/* Ajuste para o container principal em dispositivos móveis */
@media (max-width: 576px) {
  .login-container {
    min-height: 100vh;
  }
}