/* Login Page Styles - Usando variáveis do root.css */
body {
  background: linear-gradient(135deg, var(--fundo-principal, #0F2027) 0%, var(--fundo-secundario, #1A3A3A) 50%, var(--fundo-card, #203A43) 100%);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
}

/* Efeito de partículas/gradiente animado no fundo */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(38, 166, 154, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 195, 74, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(76, 175, 80, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

.login-card {
  background: linear-gradient(145deg, var(--fundo-card, #203A43), var(--fundo-secundario, #1A3A3A));
  border: 1px solid var(--borda-suave, rgba(38, 166, 154, 0.3));
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(139, 195, 74, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.input-field {
  background-color: var(--fundo-principal, #0F2027);
  border: 1px solid var(--borda-suave, rgba(38, 166, 154, 0.3));
  color: var(--texto-principal, #FFFFFF);
  transition: all 0.3s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--verde-teal, #26A69A);
  box-shadow: 0 0 0 3px rgba(38, 166, 154, 0.2), 0 0 20px rgba(38, 166, 154, 0.1);
  background-color: rgba(15, 32, 39, 0.8);
}

.input-field::placeholder {
  color: var(--texto-muted, #78909C);
}

.btn-login {
  background: linear-gradient(135deg, var(--verde-floresta, #4CAF50) 0%, var(--verde-teal, #26A69A) 100%);
  color: var(--texto-principal, #FFFFFF);
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-login::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-login:hover::before {
  left: 100%;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4), 0 0 40px rgba(38, 166, 154, 0.2);
  background: linear-gradient(135deg, var(--verde-lima, #8BC34A) 0%, var(--verde-floresta, #4CAF50) 100%);
}

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

.logo-container {
  background: linear-gradient(135deg, var(--verde-floresta, #4CAF50) 0%, var(--verde-teal, #26A69A) 100%);
  box-shadow: 0 8px 30px rgba(76, 175, 80, 0.3);
}

.login-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(38, 166, 154, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(38, 166, 154, 0.3);
}

/* Textos usando variáveis */
.login-title {
  color: var(--texto-principal, #FFFFFF);
}

.login-subtitle {
  color: var(--verde-teal, #26A69A);
}

.login-label {
  color: var(--texto-principal, #FFFFFF);
}

.login-icon {
  color: var(--verde-teal, #26A69A);
}

.login-footer {
  color: var(--texto-secundario, #B0BEC5);
}

/* Alertas */
.alert-error {
  background: rgba(239, 83, 80, 0.1);
  border: 1px solid rgba(239, 83, 80, 0.3);
}

.alert-info {
  background: rgba(38, 166, 154, 0.1);
  border: 1px solid rgba(38, 166, 154, 0.3);
}