body {
    background-image: url('manzara.jpg');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0efef;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.signup-container {
    background: rgb(73, 140, 145);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 400px;
}

h2 { text-align: center; color: #ebfdf9; }

label{ text-align: center; color: #95c0b5;}

input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 2px solid #51634c;
    border-radius: 6px;
    box-sizing: border-box; /* Padding'in genişliği bozmasını engeller */
}

.input-group { display: flex; gap: 10px; }

button {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

button:hover { background-color: #218838; }

#message { text-align: center; font-size: 14px; margin-top: 10px; }