.rich-editor-toolbar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    border: 1px solid var(--line);
    border-bottom: 0;
    border-radius: 6px 6px 0 0;
    background: #f8fafb;
    margin: 8px 0 0;
    padding: 6px;
}

.editor-toolbar-group {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 2px;
    border-right: 1px solid var(--line);
    margin-right: 3px;
    padding-right: 5px;
}

.editor-toolbar-group:last-child {
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
}

.editor-toolbar-selects {
    gap: 5px;
}

.rich-editor-toolbar select {
    width: auto;
    min-height: 30px;
    border-radius: 4px;
    background: #fff;
    font-size: 13px;
    line-height: 1.2;
    padding: 4px 26px 4px 8px;
}

.rich-editor-toolbar button {
    min-height: 30px;
    min-width: 30px;
    border-radius: 4px;
    color: var(--text);
    padding: 5px;
}

.rich-editor-toolbar button:hover,
.rich-editor-toolbar select:hover {
    border-color: #b9c3cf;
    background: #fff;
}

.rich-editor-toolbar button:focus-visible,
.rich-editor-toolbar select:focus-visible {
    border-color: var(--primary);
    outline: 2px solid rgba(18, 109, 122, 0.16);
}

.rich-editor-toolbar svg {
    display: block;
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.editor-menu-button {
    gap: 2px;
}

.editor-menu-button svg:last-child {
    width: 12px;
}

.editor-menu-popover {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    z-index: 20;
    display: grid;
    min-width: 190px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(31, 41, 51, 0.14);
    padding: 4px;
}

.editor-menu-popover[hidden] {
    display: none;
}

.editor-menu-popover button {
    justify-content: flex-start;
    width: 100%;
    gap: 8px;
    border: 0;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 8px;
}

.editor-menu-popover button:hover {
    background: var(--surface-soft);
}

.editor-mode-tabs {
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 0;
}

.editor-mode-tabs button {
    border: 0;
    border-radius: 0;
    min-width: 34px;
}

.rich-editor-toolbar button.is-active {
    border-color: var(--primary);
    background: #e7f2f4;
    color: var(--primary-dark);
}

.editor-mode-tabs button.is-active {
    background: var(--primary);
    color: #fff;
}

.rich-editor,
.rich-editor-source,
.rich-editor-preview {
    min-height: 340px;
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0 0 6px 6px;
    margin-top: 0;
}

.rich-editor[hidden],
.rich-editor-source[hidden],
.rich-editor-preview[hidden] {
    display: none !important;
}

.rich-editor {
    line-height: 1.55;
    overflow: auto;
}

.rich-editor-source {
    display: block;
    background: #fff;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 14px;
    padding: 14px;
    resize: vertical;
}

.rich-editor-preview {
    background: var(--surface-soft);
    overflow: auto;
    padding: 14px;
}

.rich-editor:focus,
.rich-editor-source:focus {
    border-color: var(--primary);
    outline: 3px solid rgba(18, 109, 122, 0.14);
}

.rich-editor p,
.rich-editor ul,
.rich-editor ol,
.rich-editor blockquote,
.rich-editor pre,
.rich-editor table,
.rich-editor-preview p,
.rich-editor-preview ul,
.rich-editor-preview ol,
.rich-editor-preview blockquote,
.rich-editor-preview pre,
.rich-editor-preview table,
.rich-content pre,
.rich-content table {
    margin-bottom: 14px;
}

.rich-editor blockquote,
.rich-editor-preview blockquote {
    border-left: 4px solid var(--primary);
    color: var(--muted);
    margin-left: 0;
    padding-left: 16px;
}

.rich-editor code,
.rich-editor-preview code,
.rich-content code {
    border-radius: 4px;
    background: var(--surface-soft);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.92em;
    padding: 1px 4px;
}

.rich-editor pre,
.rich-editor-preview pre,
.rich-content pre {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface-soft);
    padding: 12px;
    white-space: pre-wrap;
}

.rich-editor pre code,
.rich-editor-preview pre code,
.rich-content pre code {
    background: transparent;
    padding: 0;
}

.rich-editor hr,
.rich-editor-preview hr,
.rich-content hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 20px 0;
}

.rich-editor table,
.rich-editor-preview table,
.rich-content table {
    display: table;
    max-width: 100%;
}

.rich-editor th,
.rich-editor td,
.rich-editor-preview th,
.rich-editor-preview td,
.rich-content th,
.rich-content td {
    border: 1px solid var(--line);
}

.rte-font-sans {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.rte-font-serif {
    font-family: Georgia, "Times New Roman", serif;
}

.rte-font-mono {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.rich-editor-dialog {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    background: rgba(31, 41, 51, 0.42);
    padding: 18px;
}

.rich-editor-dialog[hidden] {
    display: none;
}

.rich-editor-dialog-box {
    width: min(720px, 100%);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    padding: 18px;
    box-shadow: 0 18px 50px rgba(31, 41, 51, 0.22);
}

.rich-editor-dialog textarea {
    min-height: 260px;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 14px;
}

@media (max-width: 720px) {
    .rich-editor-toolbar {
        align-items: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .editor-toolbar-group {
        flex: 0 0 auto;
    }

    .rich-editor-toolbar select {
        max-width: 150px;
    }
}