body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #fff;
    overflow: hidden;
}

.login-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding: 40px 30px;
    width: 100%;
    max-width: 400px;
    color: #fff;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-container h2 {
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: 600;
}

.login-container button {
    display: inline-flex;
    align-items: center;
    background-color: #ffffff;
    color: #333;
    border: none;
    border-radius: 50px;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-container button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.login-container button img {
    width: 20px;
    margin-right: 10px;
}

.login-container .error {
    margin-top: 10px;
    color: #ff6b6b;
    font-size: 14px;
}

footer {
    position: absolute;
    bottom: 10px;
    font-size: 12px;
    text-align: center;
    width: 100%;
    color: #eee;
}

@media (max-width: 500px) {
    .login-container {
        padding: 30px 20px;
    }
}

.back-button {
   display: inline-block;
   margin-top: 20px;
   text-decoration: none;
   background-color: #444;
   color: #fff;
   padding: 10px 20px;
   border-radius: 8px;
   font-weight: bold;
   transition: background-color 0.3s ease;
}

.back-button:hover {
   background-color: #666;
}