.spdfed-form-wrapper {
    --spdfed-max-width: 400px;
    --spdfed-margin: 1em 0;
    --spdfed-border-color: #ccc;
    --spdfed-border-radius: 8px;
    --spdfed-padding: 16px;
    --spdfed-input-padding: 8px;
    --spdfed-text-color: #333;
    --spdfed-button-bg-color: #0073aa; /* WP Blue */
    --spdfed-button-bg-color-hover: #005177; /* Darker WP Blue for hover/focus */
    --spdfed-button-text-color: #fff;
    --spdfed-button-text-color-hover: #fff;
    --spdfed-button-transition: all 0.2s ease-in-out, border-color 0.2s ease-in-out;
    --spdfed-error-text-color: #D8000C;
    --spdfed-error-bg-color: #FFD2D2;

    max-width: var(--spdfed-max-width);
    margin: var(--spdfed-margin);
    color: var(--spdfed-text-color);
}

.spdfed-form {
    border: 1px solid var(--spdfed-border-color);
    padding: var(--spdfed-padding);
    border-radius: var(--spdfed-border-radius);
}

.spdfed-form-row {
    margin-bottom: 10px;
}

.spdfed-input {
    width: 100%;
    padding: var(--spdfed-input-padding);
    box-sizing: border-box;
    border-radius: var(--spdfed-border-radius);
    border: 1px solid var(--spdfed-border-color);
}

.spdfed-button {
    width: 100%;
    padding: var(--spdfed-input-padding) var(--spdfed-padding);
    cursor: pointer;
    box-sizing: border-box;
    border: 1px solid var(--spdfed-button-bg-color);
    border-radius: var(--spdfed-border-radius);
    background-color: var(--spdfed-button-bg-color);
    color: var(--spdfed-button-text-color);
    transition: var(--spdfed-button-transition);
}

.spdfed-button:hover,
.spdfed-button:focus {
    background-color: var(--spdfed-button-bg-color-hover);
    border-color: var(--spdfed-button-bg-color-hover);
    color: var(--spdfed-button-text-color-hover);
}

.spdfed-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.9em;
}

.spdfed-error-message {
    color: var(--spdfed-error-text-color); 
    background-color: var(--spdfed-error-bg-color); 
    border: 1px solid var(--spdfed-error-text-color);
    padding: var(--spdfed-padding);
    margin-bottom: 15px;
    border-radius: var(--spdfed-border-radius);
}

/* CPT Admin Notices */
.spdfed-cpt-notice {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 15px;
}

/* Admin Help Panel */
.spdfed-help-panel {
    border: 1px solid #c3c4c7;
    border-radius: 4px;
    margin-top: 1em;
    background: #fff;
}

.spdfed-help-panel summary {
    cursor: pointer;
    padding: 10px 15px;
    font-weight: 600;
}

.spdfed-help-panel summary:hover {
    background-color: #f6f7f7;
}

.spdfed-help-content {
    padding: 0 15px 15px;
    border-top: 1px solid #c3c4c7;
}

.spdfed-code-example {
    background: #f6f7f7;
    border: 1px solid #c3c4c7;
    padding: 10px;
    border-radius: 4px;
    white-space: pre-wrap;
    word-break: break-all;
}

.spdfed-variable-list {
    list-style: disc;
    padding-left: 20px;
}