* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #1e3c72);
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.bg-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 204, 0, 0.15);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
}

.shape-2 {
  width: 120px;
  height: 120px;
  bottom: 20%;
  right: 15%;
  animation-delay: 2s;
}

.shape-3 {
  width: 50px;
  height: 50px;
  top: 40%;
  right: 30%;
  animation-delay: 4s;
}

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

.login-card {
  position: relative;
  z-index: 10;
  width: 400px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.login-header h1 {
  color: #fff;
  font-size: 28px;
  margin-bottom: 5px;
}

.login-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  margin-bottom: 30px;
}

.login-icon {
  font-size: 50px;
  margin-bottom: 15px;
  display: block;
}

.input-group {
  position: relative;
  margin-bottom: 25px;
}

.input-group input {
  width: 100%;
  padding: 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  outline: none;
  transition: all 0.3s ease;
}

.input-group label {
  position: absolute;
  left: 15px;
  top: 15px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  pointer-events: none;
  transition: 0.3s;
}

.input-group input:focus,
.input-group input:not(:placeholder-shown) {
  border-color: #ffcc00;
  box-shadow: 0 0 10px rgba(255, 204, 0, 0.3);
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  transform: translateY(-25px);
  font-size: 12px;
  color: #ffcc00;
}

.btn-login {
  width: 100%;
  padding: 15px;
  background: #ffcc00;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: bold;
  color: #1e3c72;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-login:hover {
  background: #e6b800;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.4);
}

.alert {
  background: rgba(255, 82, 82, 0.2);
  border: 1px solid #ff5252;
  color: #ff8a80;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}

.login-footer {
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

@media (max-width: 480px) {
  .login-card {
    width: 90%;
    margin: 20px;
    padding: 30px 20px;
  }
}