body {
    background-color: #121212;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
}

.login-container {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

h1 {
    margin-bottom: 20px;
    color: #4CAF50;
}

.btn {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
    font-size: 14px;
}

.btn:hover { background-color: #45a049; }
.btn-danger { background-color: #f44336; }
.btn-danger:hover { background-color: #d32f2f; }
.btn-secondary { background-color: #555; }
.btn-secondary:hover { background-color: #777; }