.rich-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px;
    padding: 4px 6px;
    background: var(--mud-palette-surface, #f5f5f5);
    border: 1px solid var(--mud-palette-lines-default, #ccc);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.rich-editor-toolbar button {
    background: transparent;
    border: 1px solid transparent;
    color: var(--mud-palette-text-primary, #222);
    cursor: pointer;
    padding: 3px 7px;
    border-radius: 3px;
    font-size: 14px;
    line-height: 1.2;
    min-width: 28px;
}

.rich-editor-toolbar button:hover {
    background: var(--mud-palette-action-default-hover, rgba(0,0,0,0.06));
    border-color: var(--mud-palette-lines-default, #bbb);
}

.rich-editor-toolbar select {
    background: var(--mud-palette-surface, #f5f5f5);
    color: var(--mud-palette-text-primary, #222);
    border: 1px solid var(--mud-palette-lines-default, #ccc);
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 13px;
    cursor: pointer;
}

.rich-editor-sep {
    width: 1px;
    height: 20px;
    background: var(--mud-palette-lines-default, #ccc);
    margin: 0 4px;
}

.rich-editor-content {
    min-height: 540px;
    max-height: 1200px;
    overflow-y: auto;
    padding: 10px 12px;
    background: var(--mud-palette-background, #fafafa);
    color: var(--mud-palette-text-primary, #111);
    border: 1px solid var(--mud-palette-lines-default, #ccc);
    border-radius: 0 0 4px 4px;
    font-size: 14px;
    line-height: 1.5;
    outline: none;
}

.rich-editor-content:empty::before {
    content: attr(data-placeholder);
    color: var(--mud-palette-text-disabled, #999);
    pointer-events: none;
}

.rich-editor-content:focus {
    border-color: var(--mud-palette-primary, #776be7);
}

/* Predefined styles */
.rich-editor-content h1 {
    font-size: 18pt;
    font-weight: bold;
    margin: 0.4em 0;
}

.rich-editor-content h2 {
    font-size: 16pt;
    font-weight: bold;
    margin: 0.3em 0;
}

.rich-editor-content h3 {
    font-size: 14pt;
    font-weight: bold;
    margin: 0.2em 0;
}

.rich-editor-content p {
    font-size: 11pt;
    margin: 0.2em 0;
}

/* Hidden color input (triggered programmatically) */
.rich-editor-color-hidden {
    position: absolute;
    width: 0;
    height: 0;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

/* Color modal dialog (centered overlay) */
.re-color-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.re-color-dialog {
    background: #fff;
    color: #222;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    padding: 16px 18px;
    width: 340px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.re-color-title {
    font-size: 15px;
    font-weight: 700;
    color: #222;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.re-color-body {
    display: flex;
    gap: 10px;
}

.re-sv-canvas {
    cursor: crosshair;
    border: 1px solid #ccc;
    border-radius: 3px;
    width: 256px;
    height: 256px;
}

.re-hue-canvas {
    cursor: pointer;
    border: 1px solid #ccc;
    border-radius: 3px;
    width: 30px;
    height: 256px;
}

.re-color-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.re-color-preview-label {
    font-size: 12px;
    color: #555;
}

.re-color-swatch {
    width: 40px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 3px;
    display: inline-block;
    flex-shrink: 0;
}

.re-color-hex {
    flex: 1;
    padding: 5px 8px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-family: monospace;
    font-size: 13px;
    background: #fff;
    color: #222;
}

.re-color-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid #eee;
    padding-top: 10px;
}

.re-color-buttons button {
    padding: 6px 16px;
    border-radius: 4px;
    border: 1px solid #bbb;
    cursor: pointer;
    font-size: 13px;
}

.re-color-ok {
    background: #776be7;
    color: #fff;
    border-color: #776be7;
}

.re-color-ok:hover {
    background: #5d51d4;
}

.re-color-cancel {
    background: #f5f5f5;
    color: #222;
}

.re-color-cancel:hover {
    background: #e5e5e5;
}

/* Draggable & resizable dialog */
.cw-draggable-dialog .mud-dialog-title {
    cursor: move;
    user-select: none;
}