body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: 'Segoe UI', sans-serif;
    background: black;
    color: white;
}

#form-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0,0,0,0.6);
    padding: 40px;
    border-radius: 10px;
}

h1 {
    margin-bottom: 20px;
}

input[type="password"] {
    padding: 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    margin-top: 10px;
    width: calc(100% - 20px);
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin-top: 10px;
    cursor: pointer;
    background-color: #ffffff;
    color: #000;
    border: none;
    border-radius: 5px;
    font-weight: bold;
}

#message {
    margin-top: 10px;
    color: #ff4d4d;
}

/* YILDIZLI ARKA PLAN */
#stars {
  position: fixed;
  width: 100%;
  height: 100%;
  background: url('https://media2.giphy.com/media/v1.Y2lkPTc5MGI3NjExMnYzNDBsMmI1cnVvZ2E3dHNhbzd1bmk2eGJxeHRmMGx2anZicGxlMCZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/UYBDCJjwOd9Re/giphy.gif') repeat;
  animation: moveStars 100s linear infinite;
  z-index: -1;
}