.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: var(--bg-color);
}
.login-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}
.login-form h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 20px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.error {
    background-color: #fee;
    color: var(--spend-color);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}
.btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.btn:hover {
    background-color: #34495e;
}
@media (max-width: 480px) {
    .login-form {
        padding: 20px;
    }
}