.login-card {
    display: flex;
    max-width: 900px;
    width: 90%;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    -webkit-backdrop-filter: blur(10px);
}
.login-card .column {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.login-card .column:first-child {
    background: #ffffff;
}
.login-card .column:last-child:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(10px);
}
.login-card .column:last-child > * {
    position: relative;
    z-index: 1;
}
h1, h2 {
    margin-top: 0;
}
h1 {
    color: #333;
}
h2 {
    color: white;
}
p {
    color: #666;
    line-height: 1.6;
}
.column:last-child p {
    color: rgba(255, 255, 255, 0.9);
}
form {
    margin-top: 30px;
}
.form-item {
    margin-bottom: 20px;
}
.form-element {
    width: 100%;
    box-sizing: border-box;
    border: 0;
    background-color: white;
    padding: 20px 30px;
    font-size: 18px;
    border-radius: 50px;
    transition: box-shadow .2s;
    outline: 0;
    box-shadow: 0 0 0 2px #010101
}
.form-element:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 2px #2271b1;
}
button {
    background: #010101;
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 18px;
    cursor: pointer;
    font-weight: 600;
    float: right;
    transition: background 0.3s;
}
button:hover {
    background: #135e96;
}
a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 10px 20px;
    border-radius: 50px;
    transition: all 0.3s;
}
a:hover {
    background: rgba(255, 255, 255, 0.2);
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}
.error-shake {
    animation: shake 0.5s ease-in-out;
}
.error-message {
    color: #d63638;
}
@media (max-width: 768px) {
    .login-card {
        flex-direction: column;
    }
}