body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-secondary);
}
.login-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}
.logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}
.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--color-blau);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}