body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: none;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 400px;
  width: 100%;
}
.login-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px 20px;
  text-align: center;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}
.logo-container {
  background: white;
  border-radius: 12px;
  padding: 10px;
  display: inline-block;
  margin-bottom: 15px;
}
.logo-container img {
  width: auto;
  max-width: 150px;
  object-fit: contain;
}
.form-container {padding: 30px 25px;}
.form-floating {margin-bottom: 20px;}
.form-control {
  border: 2px solid #e9ecef;
  border-radius: 12px;
  padding: 15px 20px;
  font-size: 16px;
  transition: all 0.3s ease;
}
.form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}
.btn-login {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 12px;
  padding: 15px;
  font-size: 16px;
  font-weight: 600;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}
.footer-text {
  color: #6c757d;
  font-size: 12px;
  margin-top: 20px;
}