.wf-mui-markdown-editor {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
    background: var(--wf-mui-palette-surface);
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

/* ---- Variants ---- */
.wf-mui-markdown-variant-outlined {
    border: 1px solid var(--wf-mui-palette-default-border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.wf-mui-markdown-variant-filled {
    background: var(--wf-mui-palette-secondary);
    border: none;
}
.wf-mui-markdown-variant-underlined {
    background: transparent;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--wf-mui-palette-default-border);
}
.wf-mui-markdown-variant-none {
    background: transparent;
    border: none;
}

/* ---- Focus ---- */
.wf-mui-markdown-editor.wf-mui-markdown-variant-outlined:focus-within {
    border-color: var(--wf-mui-palette-primary);
    box-shadow: 0 0 0 1px var(--wf-mui-palette-primary);
}
.wf-mui-markdown-editor.wf-mui-markdown-variant-underlined:focus-within {
    border-bottom-color: var(--wf-mui-palette-primary);
    box-shadow: inset 0 -1px 0 0 var(--wf-mui-palette-primary);
}
.wf-mui-markdown-editor.wf-mui-markdown-variant-filled:focus-within,
.wf-mui-markdown-editor.wf-mui-markdown-variant-none:focus-within {
    box-shadow: 0 0 0 1px var(--wf-mui-palette-primary);
}

/* ---- Toolbar (integrated header, separated from composer by a divider) ---- */
.wf-mui-markdown-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: transparent;
    padding: 12px 8px 8px;
    border-bottom: 1px solid var(--wf-mui-palette-default-border);
}
.wf-mui-markdown-variant-underlined .wf-mui-markdown-toolbar,
.wf-mui-markdown-variant-none .wf-mui-markdown-toolbar {
    padding-left: 0;
    padding-right: 0;
}

/* ---- Toolbar buttons ---- */
.wf-mui-md-icon-button {
    background: transparent;
    border: 1px solid var(--wf-mui-palette-default-border);
    border-radius: 4px;
    padding: 6px 8px;
    min-width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    color: var(--wf-mui-palette-text);
    transition: background-color 0.2s, border-color 0.2s;
}
.wf-mui-md-icon-button:hover {
    background: rgba(0,0,0,0.06);
    border-color: var(--wf-mui-palette-primary);
}
.wf-mui-md-icon-button:active {
    background: rgba(0,0,0,0.12);
}
.wf-mui-md-icon-button:focus-visible {
    outline: 2px solid var(--wf-mui-palette-primary);
    outline-offset: 2px;
}

/* ---- Composer ---- */
.wf-mui-markdown-composer-wrap {
    width: 100%;
    min-height: 140px;
    position: relative;
    padding: 12px;
}
.wf-mui-markdown-composer {
    width: 100%;
    min-height: 140px;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.95rem;
    line-height: 1.5;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--wf-mui-palette-text);
    white-space: pre-wrap;
    word-wrap: break-word;
    box-sizing: border-box;
    resize: vertical;
}
.wf-mui-markdown-composer:empty::before {
    content: attr(data-placeholder);
    color: var(--wf-mui-palette-text);
    opacity: 0.6;
    pointer-events: none;
    position: absolute;
    top: 12px;
    left: 12px;
}
.wf-mui-markdown-composer p,
.wf-mui-markdown-composer h1,
.wf-mui-markdown-composer h2,
.wf-mui-markdown-composer blockquote,
.wf-mui-markdown-composer ul,
.wf-mui-markdown-composer ol,
.wf-mui-markdown-composer pre {
    margin: 0.6rem 0;
}
.wf-mui-markdown-composer code {
    background: rgba(0,0,0,0.05);
    border-radius: 4px;
    padding: 0.2em 0.4em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.wf-mui-markdown-composer pre {
    background: rgba(0,0,0,0.05);
    border-radius: 6px;
    padding: 0.8em 1em;
    overflow-x: auto;
}

.wf-mui-md-icon-button.wf-mui-md-source-active,
.wf-mui-icon.wf-mui-md-source-active,
.wf-mui-md-icon-button.wf-mui-md-format-active,
.wf-mui-icon.wf-mui-md-format-active {
    background: var(--wf-mui-palette-primary);
    border-color: var(--wf-mui-palette-primary);
    color: var(--wf-mui-palette-primary-text);
}

/* ---- Source (raw markdown) view ---- */
.wf-mui-markdown-source {
    width: 100%;
    min-height: 160px;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--wf-mui-palette-text);
    white-space: pre-wrap;
    word-wrap: break-word;
    box-sizing: border-box;
    resize: vertical;
}
.wf-mui-markdown-editor.dense .wf-mui-markdown-source {
    min-height: 100px;
}
.wf-mui-markdown-editor .wf-mui-label {
    position: absolute;
    top: 0;
    left: 12px;
    transform: translateY(-50%) scale(0.8);
    transform-origin: top left;
    pointer-events: none;
    background: var(--wf-mui-palette-surface);
    padding: 0 4px;
    max-width: calc(100% - 24px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 1rem;
    line-height: 1;
    color: var(--wf-mui-palette-text);
    transition: color 0.2s;
}
.wf-mui-markdown-editor:focus-within .wf-mui-label,
.wf-mui-markdown-editor.hasValue .wf-mui-label {
    color: var(--wf-mui-palette-primary);
}
.wf-mui-markdown-variant-filled .wf-mui-label {
    background: var(--wf-mui-palette-secondary);
    color: var(--wf-mui-palette-secondary-text);
}
.wf-mui-markdown-variant-filled:focus-within .wf-mui-label,
.wf-mui-markdown-variant-filled.hasValue .wf-mui-label {
    color: var(--wf-mui-palette-primary-text);
}
.wf-mui-markdown-variant-underlined .wf-mui-label,
.wf-mui-markdown-variant-none .wf-mui-label {
    background: transparent;
}

/* ---- Dense ---- */
.wf-mui-markdown-editor.dense .wf-mui-markdown-toolbar {
    padding: 8px 6px 6px;
    gap: 4px;
}
.wf-mui-markdown-editor.dense .wf-mui-md-icon-button {
    padding: 4px 6px;
    min-width: 24px;
    height: 24px;
    font-size: 0.8rem;
}
.wf-mui-markdown-editor.dense .wf-mui-markdown-composer-wrap {
    padding: 8px;
    min-height: 80px;
}
.wf-mui-markdown-editor.dense .wf-mui-markdown-composer {
    min-height: 80px;
}