:root {
    color-scheme: dark;
    --bg-app: #07080d;
    --bg-panel: #11131c;
    --border: #262a38;
    --text: #e8e9ef;
    --muted: #8c91a5;
    --accent: #6ea8fe;
    --danger: #fb7185;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --body-grad-1: radial-gradient(1200px 600px at 20% -10%, #1a2140 0%, transparent 55%);
    --body-grad-2: radial-gradient(900px 500px at 90% 10%, #152238 0%, transparent 50%);
    --topbar-bg: linear-gradient(180deg, rgba(17, 19, 28, 0.92), rgba(12, 13, 20, 0.72));
    --btn-bg: linear-gradient(180deg, #1c2233, #151824);
    --btn-hover-border: #3b425a;
    --btn-focus-ring: rgba(110, 168, 254, 0.25);
    --input-border: #30354a;
    --input-bg: #0f1118;
    --input-focus-border: #4c587a;
    --editor-bg: #0b0d14;
    --editor-text: #dce0ee;
    --editor-border: #30354a;
    --stage-chrome-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.03), transparent 40%), rgba(10, 11, 18, 0.65);
    --code-gutter-fg: #6c738f;
    --code-gutter-border: rgba(255, 255, 255, 0.06);
    --theme-switch-bg: rgba(255, 255, 255, 0.06);
    --theme-switch-active-bg: rgba(110, 168, 254, 0.22);
    --theme-switch-active-fg: var(--text);
    /* Marque : léger relief + contour (sinon fusion avec la topbar en sombre) */
    --logo-shell-bg: color-mix(in srgb, var(--bg-panel) 88%, #ffffff 12%);
    --logo-shell-stroke: rgba(255, 255, 255, 0.22);
    --logo-titlebar-bg: color-mix(in srgb, var(--bg-panel) 38%, var(--border));
    --logo-code-bg: var(--editor-bg);
    --logo-line-1: var(--accent);
    --logo-line-2: color-mix(in srgb, var(--accent) 55%, var(--danger));
    --logo-line-3: color-mix(in srgb, var(--accent) 40%, #34d399);
    --logo-thumb-fill: color-mix(in srgb, var(--editor-bg) 78%, var(--border));
    --logo-thumb-stroke: var(--accent);
    --logo-thumb-sun: #fbbf24;
    --logo-thumb-mountain: var(--muted);
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
        'Courier New', monospace;
}

:root[data-theme='light'] {
    color-scheme: light;
    --bg-app: #eef1f8;
    --bg-panel: #ffffff;
    --border: #d5dae6;
    --text: #141824;
    --muted: #5c6377;
    --accent: #2563eb;
    --danger: #e11d48;
    --shadow: 0 14px 44px rgba(15, 23, 42, 0.1);
    --body-grad-1: radial-gradient(1000px 520px at 15% -5%, rgba(147, 197, 253, 0.35) 0%, transparent 55%);
    --body-grad-2: radial-gradient(800px 480px at 92% 8%, rgba(196, 181, 253, 0.22) 0%, transparent 48%);
    --topbar-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.88));
    --btn-bg: linear-gradient(180deg, #ffffff, #f1f5f9);
    --btn-hover-border: #94a3b8;
    --btn-focus-ring: rgba(37, 99, 235, 0.22);
    --input-border: #c9d0e0;
    --input-bg: #ffffff;
    --input-focus-border: #64748b;
    --editor-bg: #fafbfc;
    --editor-text: #1e293b;
    --editor-border: #cbd5e1;
    --stage-chrome-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.85), transparent 45%), rgba(255, 255, 255, 0.72);
    --code-gutter-fg: #94a3b8;
    --code-gutter-border: rgba(15, 23, 42, 0.08);
    --theme-switch-bg: rgba(15, 23, 42, 0.06);
    --theme-switch-active-bg: rgba(37, 99, 235, 0.15);
    --theme-switch-active-fg: #1e3a8a;
    --logo-shell-stroke: color-mix(in srgb, var(--border) 75%, rgba(15, 23, 42, 0.08));
}

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

body {
    margin: 0;
    min-height: 100vh;
    background: var(--body-grad-1), var(--body-grad-2), var(--bg-app);
    color: var(--text);
}

.app-root {
    --preview-code-font:
        'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
        monospace;
    min-height: 100vh;
    height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 16px;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    background: var(--topbar-bg);
    backdrop-filter: blur(10px);
}

.topbar__mid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 12px 14px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
}

.brand__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-width: 0;
}

.brand__logo {
    display: block;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
}

:root[data-theme='dark'] .brand__logo,
:root:not([data-theme='light']) .brand__logo {
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 4px 20px rgba(0, 0, 0, 0.45);
}

.brand__title {
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.15;
}

.brand__subline {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0;
    margin: 0;
    max-width: min(100%, 40rem);
    font-size: 12px;
    line-height: 1.35;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.01em;
}

.brand__domain {
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--muted);
}

.brand__sub-sep {
    flex-shrink: 0;
    opacity: 0.75;
}

.brand__tagline {
    min-width: 0;
}

.locale-switch {
    display: inline-flex;
    padding: 3px;
    border-radius: 11px;
    border: 1px solid var(--border);
    background: var(--theme-switch-bg);
    gap: 2px;
}

.locale-switch__link {
    padding: 7px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    color: var(--muted);
    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.locale-switch__link:hover {
    color: var(--text);
}

.locale-switch__link.is-active {
    background: var(--theme-switch-active-bg);
    color: var(--theme-switch-active-fg);
}

.theme-switch {
    display: inline-flex;
    padding: 3px;
    border-radius: 11px;
    border: 1px solid var(--border);
    background: var(--theme-switch-bg);
    gap: 2px;
}

.theme-switch__btn {
    margin: 0;
    padding: 7px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.theme-switch__btn:hover {
    color: var(--text);
}

.theme-switch__btn.is-active {
    background: var(--theme-switch-active-bg);
    color: var(--theme-switch-active-fg);
}

.props-tabs {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    gap: 10px;
}

.props-tabs__tablist {
    display: flex;
    flex-shrink: 0;
    padding: 3px;
    border-radius: 11px;
    border: 1px solid var(--border);
    background: var(--theme-switch-bg);
    gap: 2px;
}

.props-tabs__tab {
    flex: 1;
    margin: 0;
    padding: 7px 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.props-tabs__tab:hover {
    color: var(--text);
}

.props-tabs__tab[aria-selected='true'] {
    background: var(--theme-switch-active-bg);
    color: var(--theme-switch-active-fg);
}

.props-tabs__panels {
    flex: 1;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding-right: 4px;
}

.btn {
    border: 1px solid var(--border);
    background: var(--btn-bg);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
    transition: border-color 0.15s ease, transform 0.08s ease;
}

.btn:hover {
    border-color: var(--btn-hover-border);
}

.btn:active {
    transform: translateY(1px);
}

.btn--ghost {
    background: transparent;
}

.btn--compact {
    padding: 8px 12px;
    font-size: 12px;
}

.btn--with-icon {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.btn__icon {
    flex-shrink: 0;
    width: 15px;
    height: 15px;
}

.layout {
    flex: 1;
    display: grid;
    gap: 14px;
    padding: 14px 18px 18px;
    align-items: stretch;
    min-height: 0;
}

.layout--double {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 400px);
    grid-template-rows: minmax(0, 1fr);
}

.layout__col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    min-height: 0;
}

.layout__col--props {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.layout__col--editor {
    min-height: 0;
}

@media (max-width: 1100px) {
    .app-root {
        height: auto;
        max-height: none;
        overflow: visible;
    }

    .layout--double {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        grid-auto-rows: auto;
    }

    .layout__col--props {
        overflow: visible;
        max-height: none;
    }

    .props-tabs__panels {
        overflow: visible;
    }

    .layout__col--editor .panel--stretch {
        min-height: 360px;
    }
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 14px 12px;
    box-shadow: var(--shadow);
}

.panel--stretch {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.panel--compact {
    padding: 10px 10px 8px;
}

.panel--compact .field {
    margin-bottom: 8px;
}

.panel--compact .panel__title {
    margin-bottom: 8px;
    font-size: 10px;
}

.panel--compact .input {
    padding: 8px 9px;
    font-size: 12px;
}

.panel--compact .field__label {
    font-size: 11px;
}

/* Panneau Cadre : équilibre entre hauteur (scroll) et lisibilité */
.panel--frame {
    padding: 9px 11px 8px;
}

.panel--frame .panel__subtitle {
    margin: 8px 0 5px;
}

.panel--frame .panel__subtitle:first-of-type {
    margin-top: 0;
}

.panel--frame .panel__hint--compact {
    font-size: 11px;
    line-height: 1.42;
    margin: 0 0 8px;
}

.panel--frame .field {
    margin-bottom: 8px;
    gap: 5px;
}

.panel--frame .field:last-child {
    margin-bottom: 0;
}

.panel--frame .field--row {
    gap: 10px;
}

.panel--frame .input {
    padding: 7px 9px;
}

.color-fields-grid--props {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px 12px;
}

.color-fields-grid--props .field-color--props:nth-child(3) {
    grid-column: 1 / -1;
}

.panel--frame .field-color--props {
    margin-bottom: 0;
    gap: 5px 8px;
    align-items: center;
}

.panel--frame .field-color--props .field__label {
    font-size: 11px;
    line-height: 1.25;
}

.panel--frame .field-color--props .field-color__swatch {
    width: 32px;
    height: 32px;
    border-radius: 9px;
}

.panel--frame .field-row-trio {
    align-items: stretch;
    gap: 8px;
    margin-bottom: 6px;
}

.panel--frame .field-row-trio > .field {
    margin-bottom: 0;
    min-width: 0;
}

/* Labels de hauteurs différentes (retour à la ligne) : inputs alignés sur une ligne */
.panel--frame .field-row-trio > .field > .input {
    margin-top: auto;
}

.panel--frame .field-row-trio--frame-metrics {
    margin-top: 4px;
    margin-bottom: 14px;
}

.panel--frame .frame-legend-row + .field-row-trio {
    margin-top: 2px;
}

.frame-legend-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 6px 12px;
    margin: 6px 0 2px;
}

.frame-legend-row__title {
    margin: 0 !important;
}

.frame-legend-row__side {
    margin-bottom: 0 !important;
    flex-shrink: 0;
}

.frame-legend-row__side.field--row {
    gap: 10px;
}

.panel--frame .field--frame-width {
    align-items: center;
    gap: 10px;
}

.panel--frame .field--frame-width .field__label {
    flex: 1 1 auto;
    min-width: 0;
}

.panel--frame .field--frame-width .input {
    flex: 0 0 108px;
    width: 108px;
    min-width: 0;
}

.panel__title {
    margin: 0 0 12px;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px 14px;
    margin-bottom: 10px;
}

.panel__head .panel__title {
    margin-bottom: 0;
}

.panel__head-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.panel--editor .panel__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 8px 12px;
    overflow: visible;
}

.panel--editor .panel__title {
    justify-self: start;
    min-width: 0;
}

.panel--editor .panel__head-mid {
    justify-self: center;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 12px;
    max-width: min(100%, 520px);
}

.panel__head-syntax__item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    min-width: 0;
    margin: 0;
    flex: 0 1 auto;
}

.panel__head-syntax__label {
    flex-shrink: 0;
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
}

.panel--editor .panel__head-actions {
    justify-self: end;
    min-width: 0;
}

.export-toolbar {
    position: relative;
    flex-shrink: 0;
}

.export-toolbar__toggle .btn__icon--chevron {
    width: 12px;
    height: 12px;
    margin-left: 2px;
    opacity: 0.78;
}

.export-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 40;
    min-width: 288px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-panel);
    box-shadow: var(--shadow);
}

.export-menu__row {
    display: grid;
    grid-template-columns: minmax(96px, auto) 1fr;
    gap: 10px 12px;
    align-items: center;
    margin-bottom: 12px;
}

.export-menu__row--scale {
    margin-bottom: 14px;
}

.export-menu__label {
    font-size: 12px;
    color: var(--muted);
}

.export-menu__input {
    padding: 8px 10px;
    font-size: 13px;
}

.export-scale {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}

.export-scale__btn {
    min-width: 42px;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.export-scale__btn:hover {
    border-color: var(--btn-hover-border);
    color: var(--text);
}

.export-scale__btn.is-active {
    border-color: var(--accent);
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.export-menu__footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: stretch;
    padding-top: 12px;
    margin-top: 4px;
    border-top: 1px solid var(--border);
}

.export-menu__open {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--btn-bg);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.export-menu__open:hover {
    border-color: var(--btn-hover-border);
}

.export-menu__downloads {
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.export-menu__dl-label {
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.export-menu__dl-btns {
    display: flex;
    gap: 8px;
}

.export-menu__fmt {
    flex: 1;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}

.export-menu__fmt:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.panel--editor.panel--stretch {
    min-height: 0;
}

.stage--editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.preview-live-pre {
    min-height: min(440px, 52vh);
}

.panel__subtitle {
    margin: 14px 0 8px;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.panel__subtitle:first-of-type {
    margin-top: 0;
}

.field-row-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.field-row-trio {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.field:last-child {
    margin-bottom: 0;
}

.field--row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.field__label {
    font-size: 12px;
    color: var(--muted);
}

.field-color {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 10px;
    align-items: center;
    margin-bottom: 12px;
}

.field-color:last-child {
    margin-bottom: 0;
}

.field-color .field__label {
    grid-column: 1 / -1;
}

.field-color__swatch {
    box-sizing: border-box;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 10px;
    border: 1px solid var(--input-border);
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    overflow: hidden;
}

.field-color__swatch::-webkit-color-swatch-wrapper {
    padding: 0;
}

.field-color__swatch::-webkit-color-swatch {
    border: none;
    border-radius: 9px;
}

.field-color__swatch::-moz-color-swatch {
    border: none;
}

.field-color__swatch::-moz-focus-inner {
    border: 0;
    padding: 0;
}

.field-color__swatch:focus-visible {
    outline: 2px solid var(--btn-focus-ring);
    outline-offset: 2px;
}

.field-color__text {
    min-width: 0;
}

.color-fields-grid {
    display: grid;
    gap: 12px;
}

@media (min-width: 520px) {
    .color-fields-grid--2 {
        grid-template-columns: 1fr 1fr;
    }
}

.panel__hint {
    font-size: 11px;
    line-height: 1.45;
    color: var(--muted);
    margin: 0 0 12px;
}

.input {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text);
    padding: 10px 11px;
    font: inherit;
    outline: none;
}

.input:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 1px var(--btn-focus-ring);
}

/* Header éditeur : même échelle que .btn--compact (+ fond type ghost) */
.input.input--head-syntax {
    flex: 1 1 auto;
    min-width: 100px;
    max-width: 200px;
    width: auto;
    padding: 8px 28px 8px 12px;
    font-size: 12px;
    line-height: 1.2;
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
}

.input.input--head-syntax:hover {
    border-color: var(--btn-hover-border);
}

.checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.editor {
    width: 100%;
    resize: none;
    min-height: 200px;
    border-radius: 12px;
    border: 1px dashed var(--editor-border);
    background: var(--editor-bg);
    color: var(--editor-text);
    padding: 12px;
    font-family: var(--preview-code-font);
    font-size: inherit;
    font-weight: inherit;
    line-height: 1.45;
}

.editor--grow {
    flex: 1;
    min-height: 0;
}

.stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.stage__chrome {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 200px;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px;
    background: var(--stage-chrome-bg);
    box-shadow: var(--shadow);
    overflow: auto;
}

/* Fenêtre de prévisualisation centrée dans la colonne éditeur */
.stage--editor .stage__chrome {
    align-items: center;
    justify-content: safe center;
}

.preview-wrap {
    position: relative;
    flex: 0 0 auto;
    border-radius: 14px;
}

/* Couleur du texte : définie par JS selon le fond du bloc code (thème HLJS) */
.capture-watermark {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 3;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    font-family:
        system-ui,
        -apple-system,
        'Segoe UI',
        Roboto,
        Ubuntu,
        sans-serif;
    pointer-events: none;
    user-select: none;
}

/*
 * Fenêtre type UltimateTerminalGif / utermgif.com (drawTerminal dans UltimateTerminalGif/assets/app.js) :
 * cadre frameBg, ombre décalée rgba(0,0,0,0.16), barre titre coins hauts arrondis seulement,
 * corps coins bas, pastilles macOS (#ff5f57 / #febc2e / #28c840), espacements proportionnels à headerH.
 */
.ut-chrome-wrap {
    display: inline-block;
    max-width: 100%;
    vertical-align: top;
}

.ut-chrome {
    --ut-header-h: 28px;
    --ut-dot-r: max(4px, calc(var(--ut-header-h) * 0.19));
    --ut-dot-gap: calc(var(--ut-dot-r) * 0.55);
    --ut-r: 12px;
    position: relative;
    overflow: hidden;
}

.ut-chrome__titlebar {
    position: relative;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    min-height: var(--ut-header-h);
    padding: 0 12px 0 calc(var(--ut-header-h) * 0.42 + var(--ut-dot-r));
    gap: calc(2 * var(--ut-dot-gap));
    border-radius: var(--ut-r) var(--ut-r) 0 0;
}

/* display:flex ci-dessus annule l’effet de l’attribut [hidden] (spec HTML) */
.ut-chrome__titlebar[hidden] {
    display: none !important;
}

.ut-chrome__dot {
    flex-shrink: 0;
    width: calc(var(--ut-dot-r) * 2);
    height: calc(var(--ut-dot-r) * 2);
    border-radius: 50%;
}

.ut-chrome__dot--red {
    background: #ff5f57;
}

.ut-chrome__dot--amber {
    background: #febc2e;
}

.ut-chrome__dot--green {
    background: #28c840;
}

.ut-chrome[data-chrome-style='muted'] .ut-chrome__dot {
    opacity: 0.72;
}

.ut-chrome[data-chrome-style='outline'] .ut-chrome__dot--red {
    background: transparent;
    box-shadow: inset 0 0 0 1.5px #ff5f57;
}

.ut-chrome[data-chrome-style='outline'] .ut-chrome__dot--amber {
    background: transparent;
    box-shadow: inset 0 0 0 1.5px #febc2e;
}

.ut-chrome[data-chrome-style='outline'] .ut-chrome__dot--green {
    background: transparent;
    box-shadow: inset 0 0 0 1.5px #28c840;
}

.ut-chrome__title-text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin-left: 0;
    max-width: min(72%, calc(100% - 5.5rem));
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.42);
    font-family:
        system-ui,
        -apple-system,
        'Segoe UI',
        Roboto,
        Ubuntu,
        sans-serif;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

:root[data-theme='light'] .ut-chrome__title-text {
    color: rgba(0, 0, 0, 0.42);
}

.ut-chrome__body {
    position: relative;
    margin: 0;
    border-radius: 0 0 var(--ut-r) var(--ut-r);
}

.ut-chrome:has(.ut-chrome__titlebar[hidden]) .ut-chrome__body {
    border-radius: var(--ut-r);
}

.code-pre {
    margin: 0;
    overflow: auto;
    max-height: none;
    line-height: 1.45;
}

/*
 * Thème HLJS CDN : souvent pre code.hljs { padding: 1em } + police ≠ gouttière → décalage cumulatif.
 * Le padding est géré par .code-pre ; --code-line-height peut être injecté en px depuis preview_controller.js.
 */
.preview-wrap .ut-chrome__body pre.code-pre code.hljs {
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
}

.code-with-gutter {
    /* Ratio aligné sur PREVIEW_LINE_HEIGHT_RATIO dans preview_controller.js */
    --code-line-height: 1.45;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: start;
    font-family: var(--preview-code-font);
}

/* Prévisualisation : une ligne source = une ligne affichée (lignes vides comprises) */
.preview-wrap .code-with-gutter {
    gap: 10px;
    grid-template-columns: minmax(2.75ch, auto) minmax(0, 1fr);
}

/* Même métriques que la gouttière (les thèmes HLJS imposent parfois Consolas / autre) */
.preview-wrap .code-with-gutter pre.code-pre,
.preview-wrap .code-with-gutter pre.code-pre code.hljs,
.preview-wrap .code-with-gutter pre.code-pre code.hljs * {
    font-family: inherit !important;
}

.preview-wrap .ut-chrome__body pre.code-pre {
    white-space: pre;
    tab-size: 4;
    font-family: var(--preview-code-font);
}

.preview-wrap .code-with-gutter .code-gutter {
    margin: 0;
    text-align: right;
    color: var(--code-gutter-fg);
    user-select: none;
    white-space: pre;
    border-right: 1px solid var(--code-gutter-border);
    line-height: var(--code-line-height);
    font-variant-numeric: tabular-nums;
    padding-right: 10px;
    font-weight: 400;
}

/* Numéros de ligne discrets (style type One Light) */
:root[data-theme='light'] .preview-wrap .code-with-gutter .code-gutter {
    color: rgba(100, 116, 139, 0.92);
    border-right-color: rgba(15, 23, 42, 0.1);
}

:root[data-theme='dark'] .preview-wrap .code-with-gutter .code-gutter {
    color: rgba(148, 163, 184, 0.88);
    border-right-color: rgba(255, 255, 255, 0.08);
}

.code-with-gutter pre.code-pre {
    line-height: var(--code-line-height);
}

/* themes HLJS : line-height sur tokens ≠ gouttière */
.preview-wrap .code-with-gutter pre.code-pre code.hljs {
    line-height: var(--code-line-height) !important;
    white-space: pre !important;
    tab-size: 4;
}

.preview-wrap .code-with-gutter pre.code-pre code.hljs span {
    line-height: inherit;
}

/* Édition live : retirer le cadre focus (contenteditable → outline / box-shadow / anneau WebKit) */
.preview-wrap pre.code-pre:focus-within {
    outline: none !important;
    box-shadow: none !important;
}

.preview-wrap pre.code-pre code.preview-live-code {
    display: block;
    width: 100%;
    min-height: 2.5em;
    caret-color: var(--accent);
    outline: none !important;
    box-shadow: none !important;
    border: none;
    -webkit-tap-highlight-color: transparent;
}

.preview-wrap pre.code-pre code.preview-live-code:focus,
.preview-wrap pre.code-pre code.preview-live-code:focus-visible,
.preview-wrap pre.code-pre code.preview-live-code:focus-within {
    outline: none !important;
    box-shadow: none !important;
}

/* Gouttière + grille : pas de contour sur le bloc parent au focus */
.preview-wrap .code-with-gutter:focus-within {
    outline: none !important;
    box-shadow: none !important;
}