/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

/* Body */
body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0d1b2a;
  overflow: hidden;
  position: relative;
  color: #e0e1dd;
}

/* Aurora Background Animation */
.aurora {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 20%, rgba(0,255,200,0.25), transparent 60%),
              radial-gradient(circle at 80% 30%, rgba(0,150,255,0.2), transparent 60%),
              radial-gradient(circle at 50% 80%, rgba(0,255,150,0.2), transparent 60%);
  animation: moveAurora 15s infinite alternate ease-in-out;
  z-index: 0;
  filter: blur(80px);
}

@keyframes moveAurora {
  0% {
    transform: translate(0,0) scale(1);
  }
  50% {
    transform: translate(-5%, -5%) scale(1.1);
  }
  100% {
    transform: translate(5%, 5%) scale(1);
  }
}

/* Login Box */
.login-container {
  position: relative;
  z-index: 1;
  background: rgba(17, 34, 64, 0.8);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
  width: 320px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.login-container h1 {
  margin-bottom: 24px;
  font-size: 1.8rem;
  color: #90e0ef;
}

/* Input Groups */
.input-group {
  margin-bottom: 20px;
  text-align: left;
}

.input-group label {
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: block;
  color: #caf0f8;
}

.input-group input {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 8px;
  outline: none;
  background: #1b263b;
  color: #e0e1dd;
  font-size: 1rem;
  transition: 0.3s;
}

.input-group input:focus {
  background: #243b55;
  box-shadow: 0 0 8px rgba(0,200,255,0.6);
}

/* Button */
button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #00b4d8, #0077b6);
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s;
}

button:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #0096c7, #023e8a);
}