.sd-widget-block-placeholder {
    border: 2px dashed #c0c0c0;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    background: #f9f9f9;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sd-widget-block-placeholder.has-widget {
    border-color: #2271b1;
    border-style: solid;
    background: #f0f6fc;
}

.sd-widget-block-placeholder .dashicons {
    font-size: 36px;
    width: 36px;
    height: 36px;
    color: #2271b1;
}

.sd-widget-block-placeholder h4 {
    margin: 0;
    font-size: 14px;
    color: #1e1e1e;
}

.sd-widget-block-placeholder .sd-widget-params-summary {
    font-size: 12px;
    color: #757575;
    margin-top: 4px;
}

.sd-widget-block-placeholder .sd-widget-tier-badge {
    display: inline-block;
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 10px;
    background: #e0e0e0;
    color: #555;
}

.sd-widget-block-placeholder .sd-widget-tier-badge.tier-free { background: #d4edda; color: #155724; }
.sd-widget-block-placeholder .sd-widget-tier-badge.tier-basic { background: #cce5ff; color: #004085; }
.sd-widget-block-placeholder .sd-widget-tier-badge.tier-pro { background: #fff3cd; color: #856404; }
.sd-widget-block-placeholder .sd-widget-tier-badge.tier-enterprise { background: #f8d7da; color: #721c24; }

.sd-widget-block-no-appid {
    border-color: #d63638;
    background: #fcf0f1;
}

.sd-widget-block-no-appid p {
    color: #d63638;
    margin: 0;
}