body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-image: radial-gradient(circle at 50% -20%, #e2e8f0, var(--color-bg));
}

.auth-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.auth-logo svg {
    color: var(--color-primary);
}

.auth-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.btn-auth {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    margin-top: 1rem;
}