.guest-warning-banner .banner-container {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-left: 6px solid #fbbf24;
        border-radius: 12px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        overflow: hidden;
        position: relative;
    }
    
    .guest-warning-banner .banner-container::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.15), transparent 60%);
        pointer-events: none;
    }

    .guest-warning-banner .icon-box {
        background: rgba(251, 191, 36, 0.15);
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        color: #fbbf24;
        box-shadow: 0 4px 12px rgba(251, 191, 36, 0.2);
    }
    
    .guest-warning-banner .register-btn {
        background: #38bdf8;
        color: #0f172a !important;
        border: none;
        border-radius: 8px;
        font-weight: 700;
        letter-spacing: 0.5px;
        padding: 10px 20px;
        transition: all 0.2s ease;
        text-transform: uppercase;
        font-size: 0.75rem;
    }
    
    .guest-warning-banner .register-btn:hover {
        background: #7dd3fc;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(56, 189, 248, 0.4);
    }
    
    .guest-warning-banner .accent-link {
        color: #38bdf8;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.2s;
        border-bottom: 1px dashed rgba(56, 189, 248, 0.5);
    }
    
    .guest-warning-banner .accent-link:hover {
        color: #7dd3fc;
        border-bottom-style: solid;
        text-decoration: none;
    }

    .guest-warning-banner .status-badge {
        background: rgba(251, 191, 36, 0.2);
        color: #fbbf24;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.65rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-weight: 800;
        margin-bottom: 8px;
        display: inline-block;
    }