.gmv-tool {
    --gmv-ink: var(--mt-color__heading, #1d2128);
    --gmv-text: #344054;
    --gmv-muted: #697386;
    --gmv-border: #e0e6ee;
    --gmv-border-strong: #d3dbe5;
    --gmv-soft: #f7f9fc;
    --gmv-code-bg: #f8fafc;
    --gmv-blue: var(--primary-color, var(--blue-text, #4166e1));
    --gmv-blue-soft: var(--blue-bg, rgba(65, 102, 225, 0.08));
    --gmv-orange: var(--orange, #f97248);
    --gmv-red: var(--notification-error, #ea4854);
    --gmv-red-soft: var(--notification-error-bg, rgba(242, 24, 80, 0.08));
    --gmv-green: var(--notification-success, #27ae68);
    --gmv-green-soft: var(--notification-success-bg, rgba(19, 188, 150, 0.08));
    --gmv-surface: #fff;
    --gmv-shadow: rgba(32, 40, 58, 0.06);
    --gmv-code-text: #1e293b;
    --gmv-code-border: #e2e8f0;
    --gmv-inline-code-bg: #eef2f7;
    --gmv-inline-code-text: #b42318;
    --gmv-quote-text: #475467;
    --gmv-row-alt: #fbfcfe;
    --gmv-btn-border: #c9d6f5;
    --gmv-input-border: #dadfe3;
    --gmv-input-bg: var(--mt-input__background-color, #fff);
    --gmv-radius: 10px;
    --gmv-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    --gmv-pane-height: clamp(420px, 68vh, 760px);
    --gmv-code-size: 14px;
    width: 100%;
    max-width: 100%;
    margin: 0 0 24px;
    color: var(--gmv-ink);
    font-family: var(--mt-font__main, inherit);
    line-height: 1.45;
}

.gmv-tool *,
.gmv-tool *::before,
.gmv-tool *::after {
    box-sizing: border-box;
}

/* —— Dark mode (scoped to the tool; toggled via data-theme) —— */
.gmv-tool[data-theme="dark"] {
    --gmv-ink: #e6eaf2;
    --gmv-text: #c9d1dd;
    --gmv-muted: #8b95a7;
    --gmv-border: #2a3140;
    --gmv-border-strong: #3a4354;
    --gmv-soft: #1a1f29;
    --gmv-code-bg: #141821;
    --gmv-blue: #7b9bff;
    --gmv-blue-soft: rgba(123, 155, 255, 0.12);
    --gmv-red: #ff6b7a;
    --gmv-red-soft: rgba(255, 107, 122, 0.12);
    --gmv-green: #3ddc97;
    --gmv-green-soft: rgba(61, 220, 151, 0.12);
    --gmv-surface: #1e2430;
    --gmv-shadow: rgba(0, 0, 0, 0.35);
    --gmv-code-text: #d7dde8;
    --gmv-code-border: #2a3140;
    --gmv-inline-code-bg: #2a3140;
    --gmv-inline-code-text: #ff9e8a;
    --gmv-quote-text: #aab4c3;
    --gmv-row-alt: #222936;
    --gmv-btn-border: #3a4a78;
    --gmv-input-border: #3a4354;
    --gmv-input-bg: #141821;
    color-scheme: dark;
}

.gmv-theme-light,
.gmv-tool[data-theme="dark"] .gmv-theme-dark {
    display: none;
}

.gmv-theme-dark,
.gmv-tool[data-theme="dark"] .gmv-theme-light {
    display: inline-flex;
}


.gmv-tool .hide {
    display: none !important;
}

/* Until the script has restored the visitor's own draft, keep the editor
   and preview hidden (layout is kept, so nothing shifts): otherwise the
   server-rendered starter text flashes before a saved or cleared document.
   Fallback: if the script never runs, reveal after 3s rather than stay blank. */
.gmv-tool:not(.is-ready) .gmv-input,
.gmv-tool:not(.is-ready) .gmv-preview {
    visibility: hidden;
    animation: gmv-reveal 0s linear 3s forwards;
}

@keyframes gmv-reveal {
    to {
        visibility: visible;
    }
}

.gmv-tool .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gmv-tool .gmv-svg {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    flex-shrink: 0;
}

/* —— Panel —— */
.gmv-panel {
    display: flex;
    flex-direction: column;
    padding: 22px;
    border: 1px solid var(--gmv-border);
    border-radius: var(--gmv-radius);
    background: var(--gmv-surface);
    box-shadow: 0 8px 24px var(--gmv-shadow);
}

.gmv-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.gmv-heading {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-width: 0;
}

.gmv-heading__icon {
    display: inline-flex;
    flex-shrink: 0;
    margin-top: 1px;
    color: var(--gmv-blue);
    font-size: 1.35rem;
    line-height: 1;
}

.gmv-heading h2 {
    margin: 0;
    color: var(--gmv-ink);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.gmv-heading p {
    margin: 4px 0 0;
    color: var(--gmv-muted);
    font-size: 12px;
    font-weight: 500;
}

.gmv-header__actions {
    position: relative;
    flex: 0 1 380px;
    min-width: 0;
}

/* —— File field (Motta input style) —— */
.gmv-tool .gmv-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    opacity: 0;
}

.gmv-file-field {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 52px;
    margin: 0;
    padding: 6px 14px 6px 6px;
    border: var(--mt-input__border-width, 2px) solid var(--gmv-input-border);
    border-radius: var(--mt-border__radius, 2px);
    background: var(--gmv-input-bg);
    color: var(--gmv-ink);
    font-size: var(--mt-input__font-size, 14px);
    font-weight: 500;
    line-height: 1.3;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.gmv-file-field:hover,
.gmv-tool .gmv-file-input:focus-visible + .gmv-file-field {
    border-color: var(--gmv-blue);
}

.gmv-tool .gmv-file-input:focus-visible + .gmv-file-field {
    box-shadow: 0 0 0 3px var(--gmv-blue-soft);
}

.gmv-file-field__btn {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    gap: 7px;
    min-height: 36px;
    padding: 0 14px;
    border-radius: var(--mt-border__radius, 2px);
    background: var(--gmv-blue-soft);
    color: var(--gmv-blue);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease;
}

/* A file is being dragged over the field. */
.gmv-file-field.is-dragover {
    border-style: dashed;
    border-color: var(--gmv-blue);
    background: var(--gmv-blue-soft);
}

.gmv-file-field.is-dragover * {
    pointer-events: none;
}

.gmv-file-field:hover .gmv-file-field__btn,
.gmv-file-field.is-dragover .gmv-file-field__btn,
.gmv-tool .gmv-file-input:focus-visible + .gmv-file-field .gmv-file-field__btn {
    background: var(--gmv-blue);
    color: #fff;
}

.gmv-file-field__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.gmv-file-field__name {
    overflow: hidden;
    color: var(--gmv-muted);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gmv-file-field.has-file .gmv-file-field__name {
    color: var(--gmv-ink);
    font-weight: 600;
}

.gmv-file-field__hint {
    color: var(--gmv-muted);
    font-size: 11px;
    font-weight: 500;
}

.gmv-button-icon {
    display: inline-flex;
    color: inherit;
    font-size: 0.95rem;
}

/* —— Toolbar —— */
.gmv-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px;
    border: 1px solid var(--gmv-border);
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
    background: var(--gmv-soft);
}

.gmv-toolbar,
.gmv-viewbar {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
}

.gmv-toolbar {
    flex-wrap: wrap;
}

.gmv-toolbar__group {
    display: inline-flex;
    gap: 2px;
    padding-right: 6px;
    margin-right: 2px;
    border-right: 1px solid var(--gmv-border);
}

.gmv-toolbar__group:last-child {
    padding-right: 0;
    margin-right: 0;
    border-right: 0;
}

.gmv-viewbar {
    flex-shrink: 0;
}

.gmv-segmented {
    display: inline-flex;
    padding: 2px;
    border: 1px solid var(--gmv-border);
    border-radius: 7px;
    background: var(--gmv-surface);
}

.gmv-tool .gmv-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-width: 0;
    height: 32px;
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--gmv-text);
    font-size: 16px;
    line-height: 1;
    box-shadow: none;
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.gmv-tool .gmv-segmented .gmv-tool-btn {
    width: 30px;
    height: 28px;
    border-radius: 5px;
}

.gmv-tool .gmv-tool-btn:hover {
    background: var(--gmv-blue-soft);
    color: var(--gmv-blue);
}

.gmv-tool .gmv-tool-btn[aria-pressed="true"] {
    background: var(--gmv-blue-soft);
    color: var(--gmv-blue);
    border-color: rgba(65, 102, 225, 0.25);
}

.gmv-tool .gmv-tool-btn:focus-visible,
.gmv-tool .gmv-action-btn:focus-visible,
.gmv-tool .gmv-preview:focus-visible {
    outline: 2px solid var(--gmv-blue);
    outline-offset: 1px;
}

.gmv-fs-off,
.gmv-panel.is-fullscreen .gmv-fs-on {
    display: none;
}

.gmv-fs-on,
.gmv-panel.is-fullscreen .gmv-fs-off {
    display: inline-flex;
}

/* —— Message —— */
.gmv-msg {
    margin: 0;
    padding: 9px 12px;
    border: 1px solid var(--gmv-border);
    border-bottom: 0;
    background: var(--gmv-soft);
    color: var(--gmv-ink);
    font-size: 12px;
    line-height: 1.45;
}

.gmv-msg.is-error {
    border-color: rgba(234, 72, 84, 0.35);
    background: var(--gmv-red-soft);
    color: var(--gmv-red);
    font-weight: 600;
}

/* —— Workspace (50 / 50) —— */
.gmv-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    height: var(--gmv-pane-height);
    overflow: hidden;
    border: 1px solid var(--gmv-border);
    border-radius: 0 0 8px 8px;
    background: var(--gmv-surface);
}

.gmv-workspace[data-view="editor"],
.gmv-workspace[data-view="preview"] {
    grid-template-columns: minmax(0, 1fr);
}

.gmv-workspace[data-view="editor"] .gmv-pane--preview,
.gmv-workspace[data-view="preview"] .gmv-pane--editor {
    display: none;
}

.gmv-pane {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
}

.gmv-pane--editor {
    border-right: 1px solid var(--gmv-border);
    background: var(--gmv-code-bg);
}

.gmv-workspace[data-view="editor"] .gmv-pane--editor {
    border-right: 0;
}

.gmv-pane__head {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 34px;
    padding: 6px 14px;
    border-bottom: 1px solid var(--gmv-border);
    background: var(--gmv-surface);
    color: var(--gmv-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.gmv-pane__file {
    overflow: hidden;
    max-width: 60%;
    color: var(--gmv-blue);
    font-weight: 600;
    letter-spacing: 0;
    text-overflow: ellipsis;
    text-transform: none;
    white-space: nowrap;
}

.gmv-tool .gmv-input {
    display: block;
    flex: 1;
    width: 100%;
    height: auto;
    min-height: 0;
    max-width: none;
    margin: 0;
    padding: 16px 18px;
    border: 0 !important;
    border-radius: 0;
    background: transparent;
    color: var(--gmv-code-text);
    font: var(--gmv-code-size)/1.7 var(--gmv-mono);
    tab-size: 4;
    resize: none;
    overflow: auto;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    box-shadow: none !important;
}

.gmv-tool .gmv-input:focus {
    outline: none;
    background: var(--gmv-surface);
}

/* —— Preview —— */
.gmv-preview {
    position: relative;
    flex: 1;
    min-height: 0;
    padding: 18px 22px 28px;
    overflow: auto;
    overscroll-behavior: contain;
}

.gmv-preview__empty {
    color: var(--gmv-muted);
    font-style: italic;
}

.gmv-markdown-body {
    color: var(--gmv-text);
    font-size: 15px;
    line-height: 1.7;
    overflow-wrap: break-word;
}

.gmv-markdown-body > :first-child {
    margin-top: 0 !important;
}

.gmv-markdown-body > :last-child {
    margin-bottom: 0 !important;
}

.gmv-markdown-body h1,
.gmv-markdown-body h2,
.gmv-markdown-body h3,
.gmv-markdown-body h4,
.gmv-markdown-body h5,
.gmv-markdown-body h6 {
    margin: 1.4em 0 0.6em;
    color: var(--gmv-ink);
    font-weight: 700;
    line-height: 1.3;
    scroll-margin-top: 12px;
}

.gmv-markdown-body h1 { font-size: 1.85em; }
.gmv-markdown-body h2 { font-size: 1.45em; }
.gmv-markdown-body h3 { font-size: 1.2em; }
.gmv-markdown-body h4 { font-size: 1.05em; }
.gmv-markdown-body h5,
.gmv-markdown-body h6 { font-size: 0.95em; }
.gmv-markdown-body h6 { color: var(--gmv-muted); }

.gmv-markdown-body h1,
.gmv-markdown-body h2 {
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--gmv-border);
}

.gmv-markdown-body p,
.gmv-markdown-body ul,
.gmv-markdown-body ol,
.gmv-markdown-body dl,
.gmv-markdown-body blockquote,
.gmv-markdown-body pre,
.gmv-markdown-body table,
.gmv-markdown-body details {
    margin: 0 0 1em;
}

.gmv-markdown-body a {
    color: var(--gmv-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.gmv-markdown-body strong {
    color: var(--gmv-ink);
    font-weight: 700;
}

.gmv-markdown-body ul,
.gmv-markdown-body ol {
    padding-left: 1.6em;
}

.gmv-markdown-body ul {
    list-style: disc;
}

.gmv-markdown-body ol {
    list-style: decimal;
}

.gmv-markdown-body li {
    margin: 0.25em 0;
}

.gmv-markdown-body li > ul,
.gmv-markdown-body li > ol {
    margin: 0.25em 0 0;
}

.gmv-markdown-body li > p {
    margin: 0 0 0.4em;
}

.gmv-markdown-body li:has(> input[type="checkbox"]),
.gmv-markdown-body li:has(> p:first-child > input[type="checkbox"]:first-child) {
    list-style: none;
}

.gmv-markdown-body li > input[type="checkbox"],
.gmv-markdown-body li > p:first-child > input[type="checkbox"]:first-child {
    width: 14px;
    height: 14px;
    margin: 0 0.45em 0 -1.4em;
    vertical-align: -0.1em;
    accent-color: var(--gmv-blue);
}

.gmv-markdown-body blockquote {
    padding: 0.4em 1em;
    border-left: 4px solid var(--gmv-blue);
    border-radius: 0 6px 6px 0;
    background: var(--gmv-blue-soft);
    color: var(--gmv-quote-text);
}

.gmv-markdown-body blockquote > :last-child {
    margin-bottom: 0;
}

.gmv-markdown-body code,
.gmv-markdown-body kbd,
.gmv-markdown-body samp {
    font-family: var(--gmv-mono);
    font-size: 0.875em;
}

.gmv-markdown-body :not(pre) > code {
    padding: 0.15em 0.4em;
    border-radius: 4px;
    background: var(--gmv-inline-code-bg);
    color: var(--gmv-inline-code-text);
}

.gmv-markdown-body kbd {
    padding: 0.1em 0.45em;
    border: 1px solid var(--gmv-border-strong);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--gmv-surface);
}

.gmv-markdown-body pre {
    padding: 14px 16px;
    overflow: auto;
    border: 1px solid var(--gmv-code-border);
    border-radius: 8px;
    background: var(--gmv-code-bg);
    color: var(--gmv-code-text);
    line-height: 1.6;
    white-space: pre;
}

.gmv-markdown-body pre code {
    padding: 0;
    background: none;
    color: inherit;
    font-size: 13px;
}

.gmv-markdown-body table {
    display: block;
    width: max-content;
    max-width: 100%;
    overflow: auto;
    border-collapse: collapse;
    font-size: 0.93em;
}

.gmv-markdown-body th,
.gmv-markdown-body td {
    padding: 8px 12px;
    border: 1px solid var(--gmv-border);
    text-align: left;
}

.gmv-markdown-body th {
    background: var(--gmv-soft);
    color: var(--gmv-ink);
    font-weight: 700;
}

.gmv-markdown-body tr:nth-child(2n) td {
    background: var(--gmv-row-alt);
}

.gmv-markdown-body th[align="center"],
.gmv-markdown-body td[align="center"] {
    text-align: center;
}

.gmv-markdown-body th[align="right"],
.gmv-markdown-body td[align="right"] {
    text-align: right;
}

.gmv-markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.gmv-markdown-body hr {
    height: 0;
    margin: 1.8em 0;
    border: 0;
    border-top: 1px solid var(--gmv-border);
}

.gmv-markdown-body summary {
    cursor: pointer;
    font-weight: 600;
}

/* —— Footnotes —— */
.gmv-markdown-body sup {
    font-size: 0.75em;
    line-height: 0;
}

.gmv-markdown-body sup > a[id] {
    padding: 0 2px;
    text-decoration: none;
}

.gmv-markdown-body .gmv-footnotes {
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid var(--gmv-border);
    color: var(--gmv-muted);
    font-size: 0.875em;
}

/* Visually hidden, like GitHub: the rule above marks the section. */
.gmv-markdown-body .gmv-footnotes > h2 {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gmv-markdown-body .gmv-footnotes ol {
    margin: 0;
    padding-left: 1.6em;
}

.gmv-markdown-body .gmv-footnotes li > p {
    margin: 0 0 0.5em;
}

.gmv-markdown-body .gmv-footnotes a[href^="#user-content-fnref"] {
    text-decoration: none;
}

.gmv-markdown-body .gmv-flash {
    border-radius: 4px;
    animation: gmv-flash 1.4s ease-out;
}

@keyframes gmv-flash {
    0%,
    30% {
        background: var(--gmv-blue-soft);
        box-shadow: 0 0 0 4px var(--gmv-blue-soft);
    }

    100% {
        background: transparent;
        box-shadow: 0 0 0 4px transparent;
    }
}

/* —— Math (KaTeX) —— */
.gmv-markdown-body .gmv-math--display {
    margin: 0 0 1em;
    padding: 2px 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.gmv-markdown-body .gmv-math--display .katex-display {
    margin: 0.5em 0;
}

.gmv-markdown-body .gmv-math.is-pending {
    color: var(--gmv-muted);
    font-family: var(--gmv-mono);
    font-size: 0.9em;
    white-space: pre-wrap;
}

.gmv-markdown-body .gmv-math--display.is-pending {
    text-align: center;
}

.gmv-markdown-body .katex-error {
    font-family: var(--gmv-mono);
    font-size: 0.9em;
}

/* —— Diagrams (Mermaid) —— */
.gmv-markdown-body .gmv-diagram {
    display: flex;
    justify-content: center;
    margin: 0 0 1em;
    overflow-x: auto;
    transition: opacity 0.15s ease;
}

.gmv-markdown-body .gmv-diagram svg {
    max-width: 100%;
    height: auto;
}

.gmv-markdown-body .gmv-diagram.is-stale {
    opacity: 0.55;
}

.gmv-markdown-body .gmv-diagram.is-pending,
.gmv-markdown-body .gmv-diagram.is-error {
    display: block;
}

.gmv-markdown-body .gmv-diagram.is-pending pre {
    margin: 0;
    color: var(--gmv-muted);
}

.gmv-markdown-body .gmv-diagram.is-error {
    padding: 10px 14px;
    border: 1px solid rgba(234, 72, 84, 0.35);
    border-radius: 8px;
    background: var(--gmv-red-soft);
    color: var(--gmv-red);
}

.gmv-markdown-body .gmv-diagram.is-error pre {
    margin: 6px 0 0;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font-size: 12px;
    white-space: pre-wrap;
}

/* —— Footer —— */
.gmv-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 12px;
}

.gmv-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    color: var(--gmv-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.gmv-export {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.gmv-tool .gmv-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: auto;
    min-height: 34px;
    margin: 0;
    padding: 7px 10px;
    border: 1px solid var(--gmv-btn-border);
    border-radius: 6px;
    background: var(--gmv-surface);
    color: var(--gmv-blue);
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    box-shadow: none;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.gmv-tool .gmv-action-btn:hover {
    border-color: var(--gmv-blue);
    background: var(--gmv-blue-soft);
    color: var(--gmv-blue);
}

.gmv-tool .gmv-action-btn--danger {
    border-color: rgba(234, 72, 84, 0.3);
    color: var(--gmv-red);
}

.gmv-tool .gmv-action-btn--danger:hover {
    border-color: var(--gmv-red);
    background: var(--gmv-red-soft);
    color: var(--gmv-red);
}

.gmv-tool .gmv-action-btn.is-busy {
    cursor: progress;
    opacity: 0.7;
}

.gmv-tool .gmv-action-btn.is-success {
    border-color: transparent;
    background: var(--gmv-green-soft);
    color: var(--gmv-green);
}

.gmv-tool .gmv-action-btn.is-error {
    border-color: transparent;
    background: var(--gmv-red-soft);
    color: var(--gmv-red);
}

.gmv-save-state {
    min-height: 1em;
    margin: 6px 0 0;
    color: var(--gmv-muted);
    font-size: 11px;
}

.gmv-save-state.is-error {
    color: var(--gmv-red);
}

/* —— Full screen —— */
.gmv-panel.is-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 100000;
    margin: 0;
    padding: 14px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.gmv-panel.is-fullscreen .gmv-workspace {
    flex: 1;
    height: auto;
    min-height: 0;
}

html.gmv-no-scroll,
html.gmv-no-scroll body {
    overflow: hidden !important;
}

/* —— Tablet —— */
@media (max-width: 1024px) {
    .gmv-bar {
        flex-wrap: wrap;
    }

    .gmv-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .gmv-export {
        justify-content: flex-start;
    }
}

/* —— Mobile: stack the two panes —— */
@media (max-width: 767px) {
    .gmv-tool {
        /* 16px stops iOS zooming into the textarea on focus. */
        --gmv-code-size: 16px;
    }

    .gmv-panel {
        padding: 14px;
    }

    .gmv-panel.is-fullscreen {
        padding: 8px;
    }

    .gmv-header {
        flex-direction: column;
        gap: 12px;
    }

    .gmv-header__actions {
        flex-basis: auto;
        width: 100%;
    }

    /* Formatting buttons scroll sideways; layout controls get their own row. */
    .gmv-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .gmv-toolbar {
        flex-wrap: nowrap;
        width: 100%;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .gmv-toolbar::-webkit-scrollbar {
        display: none;
    }

    .gmv-viewbar {
        justify-content: flex-end;
        padding-top: 6px;
        border-top: 1px solid var(--gmv-border);
    }

    .gmv-tool .gmv-tool-btn {
        width: 38px;
        height: 38px;
    }

    .gmv-tool .gmv-segmented .gmv-tool-btn {
        width: 36px;
        height: 34px;
    }

    .gmv-workspace {
        height: auto;
    }

    .gmv-workspace[data-view="split"] {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto auto;
    }

    .gmv-pane {
        height: 58vh;
        min-height: 320px;
    }

    .gmv-workspace[data-view="split"] .gmv-pane {
        height: 44vh;
        min-height: 260px;
    }

    .gmv-workspace[data-view="split"] .gmv-pane--editor {
        border-right: 0;
        border-bottom: 1px solid var(--gmv-border);
    }

    .gmv-panel.is-fullscreen .gmv-workspace {
        display: flex;
        flex-direction: column;
    }

    .gmv-panel.is-fullscreen .gmv-pane {
        flex: 1;
        height: auto;
        min-height: 0;
    }

    .gmv-preview {
        padding: 14px 16px 22px;
    }

    .gmv-export {
        width: 100%;
    }

    .gmv-tool .gmv-action-btn {
        flex: 1 1 auto;
        min-height: 44px;
        padding: 7px 8px;
        white-space: nowrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gmv-tool *,
    .gmv-tool *::before,
    .gmv-tool *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }

    /* The no-JS reveal is instant, not motion: keep it. */
    .gmv-tool:not(.is-ready) .gmv-input,
    .gmv-tool:not(.is-ready) .gmv-preview {
        animation: gmv-reveal 0s linear 3s forwards !important;
    }
}

@media print {
    .gmv-header,
    .gmv-bar,
    .gmv-footer,
    .gmv-save-state,
    .gmv-pane--editor,
    .gmv-pane__head {
        display: none !important;
    }

    .gmv-panel,
    .gmv-workspace {
        height: auto;
        padding: 0;
        border: 0;
        box-shadow: none;
    }

    .gmv-workspace {
        display: block;
    }

    .gmv-preview {
        overflow: visible;
    }
}