#loginOverlay.auth-overlay {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 2000;
}
#loginOverlay.auth-overlay.show {
    display: block;
}
#loginOverlay .auth-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(6px);
}
#loginOverlay .auth-popup {
    position: relative;
    max-width: 420px;
    margin: 10% auto;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 24px rgba(0, 255, 255, 0.35);
    border-radius: 16px;
    padding: 24px;
    color: #fff;
}
#loginOverlay .auth-close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(0, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.6);
    color: #00ffff;
}
#loginOverlay .auth-header {
    margin-bottom: 16px;
}
#loginOverlay .auth-title {
    font-size: 1.5rem;
    margin: 0 0 6px 0;
}
#loginOverlay .auth-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}
#loginOverlay .auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}
#loginOverlay .auth-field input {
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(0, 255, 255, 0.4);
    border-radius: 10px;
    color: #fff;
}
#loginOverlay .auth-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 8px;
}

#loginOverlay .oauth-actions {
    margin-top: 14px;
    display: flex;
    justify-content: center;
}

#loginOverlay .oauth-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

#loginOverlay .oauth-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.25);
}

#loginOverlay .oauth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin: 12px 0;
}

#loginOverlay .oauth-divider::before,
#loginOverlay .oauth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
}

#loginOverlay .google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}