:root {
    --isc-premium-ink: #171715;
    --isc-premium-muted: #6d6a63;
    --isc-premium-line: #ded9cf;
    --isc-premium-paper: #fbfaf7;
    --isc-premium-card: #ffffff;
    --isc-premium-warm: #eee8df;
    --isc-premium-accent: #25231f;
    --isc-premium-radius-lg: 28px;
    --isc-premium-radius-md: 20px;
    --isc-premium-shadow: 0 24px 70px rgba(37, 35, 31, 0.10);
    --isc-premium-shadow-soft: 0 12px 34px rgba(37, 35, 31, 0.07);
}

.isc-premium-builder,
.isc-premium-builder * {
    box-sizing: border-box;
}

.isc-premium-builder {
    position: relative;
    width: min(100%, 1440px);
    margin: 0 auto;
    color: var(--isc-premium-ink);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.isc-premium-builder button {
    font: inherit;
}

.isc-premium-builder__hero {
    display: flex;
    justify-content: space-between;
    gap: 28px;
    align-items: flex-end;
    padding: clamp(28px, 5vw, 62px);
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: var(--isc-premium-radius-lg);
    background:
        radial-gradient(circle at 78% 20%, rgba(255, 255, 255, 0.92), transparent 34%),
        linear-gradient(135deg, #f4f0e9 0%, #fcfbf8 58%, #e8e0d5 100%);
    box-shadow: var(--isc-premium-shadow-soft);
}

.isc-premium-builder__hero-copy {
    max-width: 820px;
}

.isc-premium-builder__kicker {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 12px;
    border: 1px solid rgba(23, 23, 21, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.isc-premium-builder__hero h2 {
    max-width: 760px;
    margin: 20px 0 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.45rem, 6vw, 5.3rem);
    font-weight: 500;
    letter-spacing: -0.055em;
    line-height: 0.95;
}

.isc-premium-builder__hero p {
    max-width: 720px;
    margin: 22px 0 0;
    color: var(--isc-premium-muted);
    font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.isc-premium-builder__hero-note {
    display: grid;
    min-width: 190px;
    padding: 18px;
    border: 1px solid rgba(23, 23, 21, 0.13);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

.isc-premium-builder__hero-note span {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.3rem;
    line-height: 1;
}

.isc-premium-builder__hero-note strong {
    margin-top: 15px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.isc-premium-builder__hero-note small {
    margin-top: 4px;
    color: var(--isc-premium-muted);
}

.isc-premium-builder__shell {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
    gap: 26px;
    align-items: start;
    margin-top: 26px;
}

.isc-premium-builder__controls {
    display: grid;
    gap: 20px;
}

.isc-premium-builder__panel,
.isc-premium-builder__preview-card {
    border: 1px solid var(--isc-premium-line);
    border-radius: var(--isc-premium-radius-lg);
    background: var(--isc-premium-card);
    box-shadow: var(--isc-premium-shadow-soft);
}

.isc-premium-builder__panel {
    padding: clamp(20px, 3vw, 30px);
}

.isc-premium-builder__panel-heading {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 22px;
}

.isc-premium-builder__step {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    place-items: center;
    border-radius: 50%;
    background: var(--isc-premium-ink);
    color: #fff;
    font-size: 0.86rem;
    font-weight: 800;
}

.isc-premium-builder__panel-heading h3 {
    margin: 0;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.2;
}

.isc-premium-builder__panel-heading p {
    margin: 5px 0 0;
    color: var(--isc-premium-muted);
    font-size: 0.94rem;
}

.isc-premium-builder__preset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.isc-premium-builder__preset {
    position: relative;
    display: grid;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: 20px;
    background: #fff;
    color: var(--isc-premium-ink);
    cursor: pointer;
    text-align: left;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.isc-premium-builder__preset:hover {
    transform: translateY(-3px);
    border-color: #aaa398;
    box-shadow: 0 14px 28px rgba(37, 35, 31, 0.09);
}

.isc-premium-builder__preset.is-active {
    border-color: var(--isc-premium-ink);
    box-shadow: 0 0 0 2px var(--isc-premium-ink), 0 16px 34px rgba(37, 35, 31, 0.12);
}

.isc-premium-builder__preset-media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f6f3ee;
}

.isc-premium-builder__preset-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}

.isc-premium-builder__preset:hover img {
    transform: scale(1.025);
}

.isc-premium-builder__preset-copy {
    display: grid;
    padding: 14px 16px 16px;
}

.isc-premium-builder__preset-copy small {
    color: var(--isc-premium-muted);
    font-size: 0.69rem;
    font-weight: 750;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.isc-premium-builder__preset-copy strong {
    margin-top: 3px;
    font-size: 1rem;
}

.isc-premium-builder__preset-copy span {
    margin-top: 3px;
    color: var(--isc-premium-muted);
    font-size: 0.82rem;
}

.isc-premium-builder__preset-check {
    position: absolute;
    top: 12px;
    right: 12px;
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border-radius: 50%;
    background: var(--isc-premium-ink);
    color: #fff;
    font-weight: 800;
    opacity: 0;
    transform: scale(0.84);
    transition: opacity 160ms ease, transform 160ms ease;
}

.isc-premium-builder__preset.is-active .isc-premium-builder__preset-check {
    opacity: 1;
    transform: scale(1);
}

.isc-premium-builder__swatches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
    gap: 12px;
}

.isc-premium-builder__swatch {
    display: grid;
    justify-items: center;
    gap: 10px;
    min-width: 0;
    padding: 12px 10px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 18px;
    background: #fff;
    color: var(--isc-premium-ink);
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.isc-premium-builder__swatch:hover {
    transform: translateY(-2px);
    border-color: #aaa398;
}

.isc-premium-builder__swatch.is-active {
    border-color: var(--isc-premium-ink);
    box-shadow: 0 0 0 2px var(--isc-premium-ink);
}

.isc-premium-builder__swatch-dot {
    width: 64px;
    height: 64px;
    border: 1px solid rgba(23, 23, 21, 0.14);
    border-radius: 12px;
    background-color: var(--isc-colour);
    background-image: var(--isc-swatch-image);
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42), 0 8px 16px rgba(37, 35, 31, 0.10);
}

.isc-premium-builder__swatch > span:last-child {
    overflow: hidden;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-overflow: ellipsis;
}

.isc-premium-builder__orientation-panel.is-disabled {
    opacity: 0.58;
}

.isc-premium-builder__orientation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.isc-premium-builder__orientation button {
    min-height: 48px;
    padding: 10px 16px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 14px;
    background: #fff;
    color: var(--isc-premium-ink);
    cursor: pointer;
    font-weight: 700;
}

.isc-premium-builder__orientation button.is-active {
    border-color: var(--isc-premium-ink);
    background: var(--isc-premium-ink);
    color: #fff;
}

.isc-premium-builder__orientation button:disabled {
    cursor: not-allowed;
}

.isc-premium-builder__preview-column {
    position: sticky;
    top: 24px;
}

.isc-premium-builder__preview-card {
    padding: 18px;
    overflow: hidden;
}

.isc-premium-builder__preview-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 6px 6px 16px;
}

.isc-premium-builder__preview-toolbar > div {
    display: grid;
}

.isc-premium-builder__preview-toolbar small {
    color: var(--isc-premium-muted);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.isc-premium-builder__preview-title {
    margin-top: 2px;
    font-size: 1.12rem;
}

.isc-premium-builder__quality-badge {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: #edf0e8;
    color: #39412f;
    font-size: 0.72rem;
    font-weight: 750;
}

.isc-premium-builder__preview-stage {
    position: relative;
    display: grid;
    min-height: 420px;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: 22px;
    background:
        radial-gradient(circle at 50% 22%, #ffffff 0%, #f8f6f2 58%, #ebe5dd 100%);
}

.isc-premium-builder__preview-image {
    display: block;
    width: 100%;
    height: auto;
    transform: scale(var(--isc-preview-zoom, 1)) scaleX(1);
    transform-origin: center;
    transition: opacity 160ms ease, transform 280ms ease;
}

.isc-premium-builder__preview-image.is-flipped {
    transform: scale(var(--isc-preview-zoom, 1)) scaleX(-1);
}

.isc-premium-builder__preview-loader {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(251, 250, 247, 0.72);
    color: var(--isc-premium-muted);
    backdrop-filter: blur(4px);
    font-size: 0.88rem;
}

.isc-premium-builder__preview-loader[hidden] {
    display: none;
}

.isc-premium-builder__summary {
    display: grid;
    margin-top: 14px;
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: 18px;
}

.isc-premium-builder__summary-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 14px;
    background: #fff;
}

.isc-premium-builder__summary-row + .isc-premium-builder__summary-row {
    border-top: 1px solid var(--isc-premium-line);
}

.isc-premium-builder__summary-row span {
    color: var(--isc-premium-muted);
    font-size: 0.86rem;
}

.isc-premium-builder__summary-row strong {
    font-size: 0.87rem;
    text-align: right;
}

.isc-premium-builder__cart-button {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    width: 100%;
    min-height: 58px;
    margin-top: 14px;
    padding: 13px 18px;
    border: 0;
    border-radius: 16px;
    background: var(--isc-premium-ink);
    color: #fff;
    cursor: pointer;
    font-weight: 800;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.isc-premium-builder__cart-button:hover {
    transform: translateY(-2px);
    background: #2c2b27;
    box-shadow: 0 12px 26px rgba(23, 23, 21, 0.20);
}

.isc-premium-builder__cart-button span:last-child {
    font-size: 1.4rem;
}

.isc-premium-builder__cart-note {
    margin: 9px 2px 2px;
    color: var(--isc-premium-muted);
    font-size: 0.76rem;
    text-align: center;
}

.isc-premium-builder__toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 99999;
    max-width: min(390px, calc(100vw - 32px));
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: #1c1b18;
    color: #fff;
    box-shadow: 0 18px 50px rgba(23, 23, 21, 0.26);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.isc-premium-builder__toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.isc-premium-builder button:focus-visible {
    outline: 3px solid #486cff;
    outline-offset: 3px;
}

@media (max-width: 1080px) {
    .isc-premium-builder__shell {
        grid-template-columns: 1fr;
    }

    .isc-premium-builder__preview-column {
        position: static;
        grid-row: 1;
    }

    .isc-premium-builder__preview-stage {
        min-height: 360px;
    }
}

@media (max-width: 720px) {
    .isc-premium-builder__hero {
        display: grid;
        padding: 28px 22px;
    }

    .isc-premium-builder__hero-note {
        min-width: 0;
    }

    .isc-premium-builder__preset-grid {
        grid-template-columns: 1fr;
    }

    .isc-premium-builder__swatches {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .isc-premium-builder__preview-stage {
        min-height: 270px;
    }

    .isc-premium-builder__summary-row {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .isc-premium-builder *,
    .isc-premium-builder *::before,
    .isc-premium-builder *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* Custom top-view composition option */
.isc-premium-builder__preset--custom {
    grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
    align-items: stretch;
    margin-top: 14px;
}

.isc-premium-builder__preset--custom .isc-premium-builder__preset-media {
    aspect-ratio: auto;
    min-height: 148px;
}

.isc-premium-builder__preset--custom .isc-premium-builder__preset-copy {
    align-content: center;
    padding: 20px 22px;
}

.isc-premium-builder__custom-editor {
    display: grid;
    gap: 16px;
    margin-top: 18px;
    padding: 18px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 22px;
    background: #f8f6f2;
}

.isc-premium-builder__custom-editor[hidden] {
    display: none;
}

.isc-premium-builder__custom-heading,
.isc-premium-builder__custom-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
}

.isc-premium-builder__custom-heading > div {
    display: grid;
    gap: 3px;
}

.isc-premium-builder__custom-heading strong {
    font-size: 1rem;
}

.isc-premium-builder__custom-heading span,
.isc-premium-builder__custom-toolbar > span {
    color: var(--isc-premium-muted);
    font-size: 0.82rem;
}

.isc-premium-builder__custom-clear,
.isc-premium-builder__custom-toolbar button {
    min-height: 38px;
    padding: 8px 12px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 12px;
    background: #fff;
    color: var(--isc-premium-ink);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
}

.isc-premium-builder__custom-clear:hover,
.isc-premium-builder__custom-toolbar button:hover:not(:disabled) {
    border-color: #aaa398;
}

.isc-premium-builder__custom-toolbar button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.isc-premium-builder__custom-library {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.isc-premium-builder__custom-add {
    position: relative;
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) 24px;
    gap: 9px;
    align-items: center;
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 15px;
    background: #fff;
    color: var(--isc-premium-ink);
    cursor: pointer;
    text-align: left;
}

.isc-premium-builder__custom-add:hover {
    border-color: #aaa398;
    box-shadow: 0 8px 20px rgba(37, 35, 31, 0.07);
}

.isc-premium-builder__custom-add img {
    display: block;
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.isc-premium-builder__custom-add span {
    min-width: 0;
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1.2;
}

.isc-premium-builder__custom-add strong {
    display: grid;
    width: 24px;
    height: 24px;
    place-items: center;
    border-radius: 50%;
    background: var(--isc-premium-ink);
    color: #fff;
    font-size: 1rem;
    line-height: 1;
}

.isc-premium-builder__custom-workspace-wrap {
    padding: 12px;
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: 18px;
    background: #fff;
}

.isc-premium-builder__custom-workspace,
.isc-premium-builder__custom-preview {
    position: relative;
    width: 100%;
    aspect-ratio: 640 / 420;
    overflow: hidden;
    border-radius: 13px;
    background-color: #fbfaf7;
    background-image:
        linear-gradient(rgba(109, 106, 99, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(109, 106, 99, 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
    touch-action: none;
}

.isc-premium-builder__custom-empty {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 30px;
    color: var(--isc-premium-muted);
    font-size: 0.84rem;
    text-align: center;
}

.isc-premium-builder__custom-empty[hidden] {
    display: none;
}

.isc-premium-builder__custom-module {
    position: absolute;
    z-index: 1;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 12px;
    cursor: grab;
    transform-origin: center;
    transition: filter 140ms ease, box-shadow 140ms ease;
    user-select: none;
    touch-action: none;
}

.isc-premium-builder__custom-module:active {
    cursor: grabbing;
}

.isc-premium-builder__custom-module.is-selected {
    z-index: 3;
    box-shadow: 0 0 0 3px var(--isc-premium-ink), 0 10px 22px rgba(37, 35, 31, 0.15);
}

.isc-premium-builder__custom-module img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    -webkit-user-drag: none;
}

.isc-premium-builder__custom-module.is-preview {
    cursor: default;
}

.isc-premium-builder__custom-toolbar > div {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.isc-premium-builder__custom-preview {
    width: calc(100% - 28px);
    transform: scale(var(--isc-preview-zoom, 1));
    transform-origin: center;
    transition: transform 280ms ease;
    max-width: 720px;
    margin: 14px;
    border: 1px solid rgba(222, 217, 207, 0.86);
    background-color: rgba(255, 255, 255, 0.72);
    background-image: none;
}

.isc-premium-builder__custom-preview[hidden],
.isc-premium-builder__preview-image[hidden] {
    display: none;
}

@media (max-width: 720px) {
    .isc-premium-builder__preset--custom {
        grid-template-columns: 1fr;
    }

    .isc-premium-builder__preset--custom .isc-premium-builder__preset-media {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }

    .isc-premium-builder__custom-heading,
    .isc-premium-builder__custom-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .isc-premium-builder__custom-library {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .isc-premium-builder__custom-toolbar > div {
        justify-content: flex-start;
    }
}

/* v4.1.0 optional product gallery */
.isc-premium-builder__preview-gallery {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 12px 2px 2px;
    scrollbar-width: thin;
}

.isc-premium-builder__preview-gallery[hidden] {
    display: none;
}

.isc-premium-builder__gallery-thumb {
    flex: 0 0 78px;
    width: 78px;
    height: 58px;
    padding: 3px;
    overflow: hidden;
    border: 1px solid rgba(23, 23, 21, 0.15);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.isc-premium-builder__gallery-thumb:hover {
    transform: translateY(-1px);
    border-color: rgba(23, 23, 21, 0.45);
}

.isc-premium-builder__gallery-thumb.is-active {
    border-color: #171715;
    box-shadow: 0 0 0 2px #171715;
}

.isc-premium-builder__gallery-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}


/* v4.1.1 orientation placement and preview zoom */
.isc-premium-builder__orientation-panel--inline {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-top: 16px;
    padding: 15px 16px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 18px;
    background: #fff;
}

.isc-premium-builder__orientation-copy {
    display: grid;
    gap: 3px;
}

.isc-premium-builder__orientation-copy strong {
    font-size: 0.9rem;
}

.isc-premium-builder__orientation-copy span {
    color: var(--isc-premium-muted);
    font-size: 0.78rem;
}

.isc-premium-builder__orientation-panel--inline.is-disabled {
    opacity: 0.58;
}

.isc-premium-builder__preview-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    align-items: center;
}

.isc-premium-builder__zoom-controls {
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    border: 1px solid var(--isc-premium-line);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(37, 35, 31, 0.06);
}

.isc-premium-builder__zoom-controls button,
.isc-premium-builder__zoom-controls output {
    display: grid;
    min-width: 34px;
    min-height: 30px;
    place-items: center;
    border: 0;
    border-right: 1px solid var(--isc-premium-line);
    background: transparent;
    color: var(--isc-premium-ink);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 750;
}

.isc-premium-builder__zoom-controls button {
    cursor: pointer;
}

.isc-premium-builder__zoom-controls button:hover:not(:disabled) {
    background: #f3f0ea;
}

.isc-premium-builder__zoom-controls button:disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

.isc-premium-builder__zoom-controls output {
    min-width: 52px;
}

.isc-premium-builder__zoom-controls .isc-premium-builder__zoom-reset {
    min-width: 52px;
    padding: 0 10px;
    border-right: 0;
}

@media (max-width: 720px) {
    .isc-premium-builder__orientation-panel--inline {
        display: grid;
    }

    .isc-premium-builder__orientation-panel--inline .isc-premium-builder__orientation {
        width: 100%;
    }

    .isc-premium-builder__preview-toolbar {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .isc-premium-builder__preview-actions {
        width: 100%;
        justify-content: space-between;
    }
}


/* v4.1.2 — iPhone-first configurator interface */
.isc-premium-builder__mobile-nav {
    display: none;
}

@media (max-width: 767px) {
    .isc-premium-builder {
        width: 100%;
        padding-right: max(10px, env(safe-area-inset-right));
        padding-left: max(10px, env(safe-area-inset-left));
        font-size: 15px;
        scroll-padding-top: calc(76px + env(safe-area-inset-top));
    }

    .isc-premium-builder [data-mobile-section] {
        scroll-margin-top: calc(76px + env(safe-area-inset-top));
    }

    .isc-premium-builder__hero {
        display: block;
        padding: 23px 19px 24px;
        border-radius: 22px;
        box-shadow: 0 10px 28px rgba(37, 35, 31, 0.07);
    }

    .isc-premium-builder__kicker {
        min-height: 27px;
        padding: 4px 10px;
        font-size: 0.64rem;
        letter-spacing: 0.1em;
    }

    .isc-premium-builder__hero h2 {
        margin-top: 15px;
        font-size: clamp(2.25rem, 12vw, 3.25rem);
        letter-spacing: -0.048em;
        line-height: 0.98;
    }

    .isc-premium-builder__hero p {
        margin-top: 14px;
        font-size: 0.96rem;
        line-height: 1.55;
    }

    .isc-premium-builder__hero-note {
        display: none;
    }

    .isc-premium-builder__mobile-nav {
        position: sticky;
        top: max(8px, env(safe-area-inset-top));
        z-index: 80;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 4px;
        margin: 11px 0 13px;
        padding: 5px;
        border: 1px solid rgba(222, 217, 207, 0.92);
        border-radius: 17px;
        background: rgba(251, 250, 247, 0.91);
        box-shadow: 0 10px 28px rgba(37, 35, 31, 0.11);
        backdrop-filter: blur(18px) saturate(1.2);
        -webkit-backdrop-filter: blur(18px) saturate(1.2);
    }

    .admin-bar .isc-premium-builder__mobile-nav {
        top: calc(46px + max(8px, env(safe-area-inset-top)));
    }

    .isc-premium-builder__mobile-nav button {
        display: grid;
        grid-template-columns: 22px auto;
        gap: 5px;
        align-items: center;
        justify-content: center;
        min-width: 0;
        min-height: 45px;
        padding: 8px 7px;
        border: 0;
        border-radius: 12px;
        background: transparent;
        color: var(--isc-premium-muted);
        cursor: pointer;
        font-size: 0.76rem;
        -webkit-tap-highlight-color: transparent;
    }

    .isc-premium-builder__mobile-nav button span {
        font-size: 1rem;
        line-height: 1;
    }

    .isc-premium-builder__mobile-nav button strong {
        overflow: hidden;
        font-weight: 780;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .isc-premium-builder__mobile-nav button.is-active {
        background: var(--isc-premium-ink);
        color: #fff;
        box-shadow: 0 6px 15px rgba(23, 23, 21, 0.18);
    }

    .isc-premium-builder__shell {
        display: flex;
        flex-direction: column;
        gap: 14px;
        margin-top: 0;
    }

    .isc-premium-builder__preview-column {
        position: static;
        order: 1;
        width: 100%;
    }

    .isc-premium-builder__controls {
        order: 0;
        gap: 14px;
    }

    .isc-premium-builder__panel,
    .isc-premium-builder__preview-card {
        border-radius: 21px;
        box-shadow: 0 10px 28px rgba(37, 35, 31, 0.065);
    }

    .isc-premium-builder__panel {
        padding: 18px;
    }

    .isc-premium-builder__panel-heading {
        gap: 11px;
        margin-bottom: 17px;
    }

    .isc-premium-builder__step {
        width: 31px;
        height: 31px;
        flex-basis: 31px;
        font-size: 0.78rem;
    }

    .isc-premium-builder__panel-heading h3 {
        font-size: 1.17rem;
    }

    .isc-premium-builder__panel-heading p {
        margin-top: 4px;
        font-size: 0.85rem;
        line-height: 1.45;
    }

    .isc-premium-builder__preview-card {
        padding: 10px;
    }

    .isc-premium-builder__preview-toolbar {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 10px;
        align-items: start;
        padding: 5px 4px 10px;
    }

    .isc-premium-builder__preview-title {
        max-width: 46vw;
        overflow: hidden;
        font-size: 1rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .isc-premium-builder__preview-actions {
        display: grid;
        width: auto;
        justify-items: end;
        gap: 6px;
    }

    .isc-premium-builder__quality-badge {
        min-height: 25px;
        padding: 3px 8px;
        font-size: 0.63rem;
    }

    .isc-premium-builder__zoom-controls button,
    .isc-premium-builder__zoom-controls output {
        min-width: 38px;
        min-height: 36px;
        font-size: 0.75rem;
    }

    .isc-premium-builder__zoom-controls output {
        min-width: 48px;
    }

    .isc-premium-builder__zoom-controls .isc-premium-builder__zoom-reset {
        min-width: 49px;
        padding: 0 8px;
    }

    .isc-premium-builder__preview-stage {
        width: 100%;
        min-height: 0;
        aspect-ratio: 1.18 / 1;
        border-radius: 16px;
    }

    .isc-premium-builder__preview-image {
        width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    .isc-premium-builder__preview-gallery {
        gap: 9px;
        margin-inline: -2px;
        padding: 10px 2px 5px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        overscroll-behavior-x: contain;
        -webkit-overflow-scrolling: touch;
    }

    .isc-premium-builder__gallery-thumb {
        flex-basis: 88px;
        width: 88px;
        height: 66px;
        scroll-snap-align: start;
    }

    .isc-premium-builder__summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-top: 10px;
        border-radius: 15px;
    }

    .isc-premium-builder__summary-row {
        display: grid;
        align-content: start;
        gap: 3px;
        min-width: 0;
        padding: 10px 11px;
    }

    .isc-premium-builder__summary-row + .isc-premium-builder__summary-row {
        border-top: 0;
    }

    .isc-premium-builder__summary-row:nth-child(even) {
        border-left: 1px solid var(--isc-premium-line);
    }

    .isc-premium-builder__summary-row:nth-child(n + 3) {
        border-top: 1px solid var(--isc-premium-line);
    }

    .isc-premium-builder__summary-row span {
        font-size: 0.7rem;
        letter-spacing: 0.02em;
    }

    .isc-premium-builder__summary-row strong {
        overflow: hidden;
        font-size: 0.78rem;
        text-align: left;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .isc-premium-builder__cart-button {
        min-height: 54px;
        margin-top: 10px;
        border-radius: 14px;
        padding: 12px 16px;
    }

    .isc-premium-builder__cart-note {
        padding-inline: 8px;
        font-size: 0.69rem;
        line-height: 1.4;
    }

    .isc-premium-builder__preset-grid {
        display: flex;
        grid-template-columns: none;
        gap: 11px;
        margin-right: -18px;
        margin-left: -18px;
        padding: 3px 18px 14px;
        overflow-x: auto;
        scroll-padding-inline: 18px;
        scroll-snap-type: x mandatory;
        overscroll-behavior-x: contain;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .isc-premium-builder__preset-grid::-webkit-scrollbar,
    .isc-premium-builder__swatches::-webkit-scrollbar,
    .isc-premium-builder__custom-library::-webkit-scrollbar,
    .isc-premium-builder__preview-gallery::-webkit-scrollbar {
        display: none;
    }

    .isc-premium-builder__preset-grid .isc-premium-builder__preset {
        flex: 0 0 min(78vw, 290px);
        scroll-snap-align: center;
        border-radius: 18px;
    }

    .isc-premium-builder__preset-media {
        aspect-ratio: 16 / 9;
    }

    .isc-premium-builder__preset-copy {
        padding: 12px 14px 14px;
    }

    .isc-premium-builder__preset-copy strong {
        font-size: 0.96rem;
    }

    .isc-premium-builder__preset:hover,
    .isc-premium-builder__swatch:hover,
    .isc-premium-builder__custom-add:hover {
        transform: none;
    }

    .isc-premium-builder__orientation-panel--inline {
        gap: 11px;
        margin-top: 3px;
        padding: 13px;
        border-radius: 16px;
    }

    .isc-premium-builder__orientation-copy span {
        font-size: 0.73rem;
        line-height: 1.4;
    }

    .isc-premium-builder__orientation {
        gap: 7px;
    }

    .isc-premium-builder__orientation button {
        min-height: 46px;
        padding: 9px 8px;
        border-radius: 12px;
        font-size: 0.81rem;
        -webkit-tap-highlight-color: transparent;
    }

    .isc-premium-builder__preset--custom {
        grid-template-columns: 112px minmax(0, 1fr);
        margin-top: 12px;
        border-radius: 18px;
    }

    .isc-premium-builder__preset--custom .isc-premium-builder__preset-media {
        min-height: 126px;
        aspect-ratio: auto;
    }

    .isc-premium-builder__preset--custom .isc-premium-builder__preset-copy {
        align-content: center;
        padding: 14px;
    }

    .isc-premium-builder__custom-editor {
        gap: 13px;
        margin-top: 14px;
        padding: 13px;
        border-radius: 18px;
    }

    .isc-premium-builder__custom-heading {
        gap: 10px;
    }

    .isc-premium-builder__custom-heading span {
        font-size: 0.76rem;
        line-height: 1.4;
    }

    .isc-premium-builder__custom-clear {
        width: 100%;
        min-height: 44px;
    }

    .isc-premium-builder__custom-library {
        display: flex;
        grid-template-columns: none;
        gap: 9px;
        margin-right: -13px;
        margin-left: -13px;
        padding: 2px 13px 8px;
        overflow-x: auto;
        scroll-padding-inline: 13px;
        scroll-snap-type: x mandatory;
        overscroll-behavior-x: contain;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .isc-premium-builder__custom-add {
        flex: 0 0 155px;
        grid-template-columns: 48px minmax(0, 1fr) 25px;
        min-height: 68px;
        scroll-snap-align: start;
    }

    .isc-premium-builder__custom-add img {
        width: 48px;
        height: 48px;
    }

    .isc-premium-builder__custom-workspace-wrap {
        padding: 6px;
        border-radius: 15px;
    }

    .isc-premium-builder__custom-workspace {
        min-height: 230px;
        border-radius: 11px;
        background-size: 20px 20px;
    }

    .isc-premium-builder__custom-toolbar {
        position: sticky;
        bottom: max(7px, env(safe-area-inset-bottom));
        z-index: 8;
        gap: 9px;
        padding: 10px;
        border: 1px solid rgba(222, 217, 207, 0.94);
        border-radius: 15px;
        background: rgba(255, 255, 255, 0.94);
        box-shadow: 0 10px 26px rgba(37, 35, 31, 0.12);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .isc-premium-builder__custom-toolbar > span {
        width: 100%;
        font-size: 0.74rem;
        font-weight: 700;
    }

    .isc-premium-builder__custom-toolbar > div {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
        gap: 7px;
    }

    .isc-premium-builder__custom-toolbar button {
        min-height: 44px;
        padding: 8px 6px;
        font-size: 0.72rem;
    }

    .isc-premium-builder__swatches {
        display: flex;
        grid-template-columns: none;
        gap: 10px;
        margin-right: -18px;
        margin-left: -18px;
        padding: 3px 18px 13px;
        overflow-x: auto;
        scroll-padding-inline: 18px;
        scroll-snap-type: x mandatory;
        overscroll-behavior-x: contain;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .isc-premium-builder__swatch {
        flex: 0 0 112px;
        min-height: 126px;
        padding: 10px 8px;
        scroll-snap-align: center;
        border-radius: 16px;
        -webkit-tap-highlight-color: transparent;
    }

    .isc-premium-builder__swatch-dot {
        width: 70px;
        height: 70px;
        border-radius: 13px;
    }

    .isc-premium-builder__custom-preview {
        width: calc(100% - 16px);
        margin: 8px;
    }

    .isc-premium-builder__toast {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
        left: max(12px, env(safe-area-inset-left));
        max-width: none;
        text-align: center;
    }

    .isc-premium-builder button,
    .isc-premium-builder [role="button"] {
        touch-action: manipulation;
    }
}

@media (max-width: 390px) {
    .isc-premium-builder {
        padding-right: max(7px, env(safe-area-inset-right));
        padding-left: max(7px, env(safe-area-inset-left));
    }

    .isc-premium-builder__hero {
        padding: 21px 17px 22px;
    }

    .isc-premium-builder__mobile-nav button {
        grid-template-columns: 18px auto;
        padding-inline: 5px;
        font-size: 0.71rem;
    }

    .isc-premium-builder__panel {
        padding: 16px;
    }

    .isc-premium-builder__preset-grid {
        margin-right: -16px;
        margin-left: -16px;
        padding-right: 16px;
        padding-left: 16px;
    }

    .isc-premium-builder__preset-grid .isc-premium-builder__preset {
        flex-basis: 82vw;
    }

    .isc-premium-builder__preview-title {
        max-width: 40vw;
    }

    .isc-premium-builder__zoom-controls button,
    .isc-premium-builder__zoom-controls output {
        min-width: 34px;
    }

    .isc-premium-builder__zoom-controls .isc-premium-builder__zoom-reset {
        min-width: 45px;
        padding-inline: 5px;
    }

    .isc-premium-builder__preset--custom {
        grid-template-columns: 96px minmax(0, 1fr);
    }

    .isc-premium-builder__preset--custom .isc-premium-builder__preset-media {
        min-height: 116px;
    }
}

@media (max-width: 896px) and (orientation: landscape) {
    .isc-premium-builder__preview-stage {
        aspect-ratio: 16 / 8;
        max-height: 390px;
    }

    .isc-premium-builder__preset-grid .isc-premium-builder__preset {
        flex-basis: min(54vw, 310px);
    }
}

/* v4.1.3 — desktop hover zoom and refined modern desktop interface */
.isc-premium-builder__preview-stage {
    --isc-hover-zoom: 1;
    --isc-zoom-origin-x: 50%;
    --isc-zoom-origin-y: 50%;
}

.isc-premium-builder__preview-image {
    transform: scale(var(--isc-preview-zoom, 1)) scale(var(--isc-hover-zoom, 1)) scaleX(1);
    transform-origin: var(--isc-zoom-origin-x) var(--isc-zoom-origin-y);
}

.isc-premium-builder__preview-image.is-flipped {
    transform: scale(var(--isc-preview-zoom, 1)) scale(var(--isc-hover-zoom, 1)) scaleX(-1);
}

.isc-premium-builder__hover-zoom-hint {
    display: none;
}

@media (min-width: 1081px) {
    .isc-premium-builder {
        --isc-premium-ink: #161b18;
        --isc-premium-muted: #66706a;
        --isc-premium-line: #dedfd9;
        --isc-premium-paper: #f4f5f1;
        --isc-premium-card: rgba(255, 255, 255, 0.96);
        --isc-premium-warm: #ece8df;
        --isc-premium-accent: #284b42;
        --isc-premium-accent-soft: #e3ebe7;
        --isc-premium-gold: #b68246;
        --isc-premium-radius-lg: 26px;
        --isc-premium-radius-md: 18px;
        --isc-premium-shadow: 0 30px 80px rgba(25, 35, 30, 0.12);
        --isc-premium-shadow-soft: 0 16px 42px rgba(25, 35, 30, 0.075);
        padding: 18px;
        border-radius: 34px;
        background:
            radial-gradient(circle at 5% 4%, rgba(182, 130, 70, 0.08), transparent 24%),
            radial-gradient(circle at 94% 32%, rgba(40, 75, 66, 0.08), transparent 27%),
            linear-gradient(180deg, #f9faf7 0%, #f3f4f0 100%);
        font-size: 17px;
    }

    .isc-premium-builder__hero {
        position: relative;
        min-height: 320px;
        align-items: center;
        padding: 54px 58px;
        border-color: rgba(40, 75, 66, 0.16);
        background:
            radial-gradient(circle at 78% 20%, rgba(255, 255, 255, 0.95), transparent 30%),
            linear-gradient(120deg, #eef2ed 0%, #fbfaf6 53%, #ece4d8 100%);
        box-shadow: 0 24px 70px rgba(25, 35, 30, 0.09);
    }

    .isc-premium-builder__hero::after {
        content: "";
        position: absolute;
        right: 42px;
        bottom: 30px;
        width: 180px;
        height: 8px;
        border-radius: 999px;
        background: linear-gradient(90deg, #d0934c 0 22%, #cec4b8 22% 43%, #677e95 43% 64%, #6d6a54 64% 82%, #494542 82% 100%);
        box-shadow: 0 8px 20px rgba(25, 35, 30, 0.12);
    }

    .isc-premium-builder__kicker {
        min-height: 34px;
        padding: 7px 14px;
        border-color: rgba(40, 75, 66, 0.2);
        background: rgba(255, 255, 255, 0.82);
        color: var(--isc-premium-accent);
        font-size: 0.72rem;
        letter-spacing: 0.15em;
        box-shadow: 0 8px 22px rgba(25, 35, 30, 0.06);
    }

    .isc-premium-builder__hero h2 {
        max-width: 840px;
        margin-top: 22px;
        color: #14201b;
        font-family: "DM Serif Display", Georgia, "Times New Roman", serif;
        font-size: clamp(3.4rem, 5vw, 5.9rem);
        letter-spacing: -0.055em;
        line-height: 0.94;
        text-wrap: balance;
    }

    .isc-premium-builder__hero p {
        max-width: 690px;
        margin-top: 24px;
        color: #59645e;
        font-size: 1.08rem;
        line-height: 1.7;
    }

    .isc-premium-builder__hero-note {
        min-width: 210px;
        padding: 22px;
        border-color: rgba(40, 75, 66, 0.16);
        background: rgba(255, 255, 255, 0.76);
        box-shadow: 0 18px 42px rgba(25, 35, 30, 0.08);
    }

    .isc-premium-builder__hero-note span {
        color: var(--isc-premium-accent);
        font-size: 2.65rem;
    }

    .isc-premium-builder__shell {
        grid-template-columns: minmax(0, 0.94fr) minmax(500px, 1.06fr);
        gap: 28px;
        margin-top: 28px;
    }

    .isc-premium-builder__controls {
        gap: 24px;
    }

    .isc-premium-builder__panel,
    .isc-premium-builder__preview-card {
        border-color: rgba(44, 58, 51, 0.13);
        background: var(--isc-premium-card);
        box-shadow: var(--isc-premium-shadow-soft);
        backdrop-filter: blur(12px);
    }

    .isc-premium-builder__panel {
        padding: 30px;
    }

    .isc-premium-builder__panel-heading {
        gap: 16px;
        margin-bottom: 25px;
    }

    .isc-premium-builder__step {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        background: linear-gradient(145deg, #315b50, #1c3932);
        box-shadow: 0 10px 24px rgba(40, 75, 66, 0.22);
        font-size: 0.83rem;
    }

    .isc-premium-builder__panel-heading h3 {
        color: #17221d;
        font-size: 1.42rem;
        font-weight: 760;
        letter-spacing: -0.025em;
    }

    .isc-premium-builder__panel-heading p {
        max-width: 520px;
        margin-top: 7px;
        color: #6a746e;
        font-size: 0.92rem;
        line-height: 1.55;
    }

    .isc-premium-builder__preset-grid {
        gap: 16px;
    }

    .isc-premium-builder__preset {
        border-color: rgba(44, 58, 51, 0.14);
        border-radius: 20px;
        background: #fff;
        box-shadow: 0 6px 18px rgba(25, 35, 30, 0.035);
    }

    .isc-premium-builder__preset:hover {
        transform: translateY(-5px);
        border-color: rgba(40, 75, 66, 0.42);
        box-shadow: 0 18px 36px rgba(25, 35, 30, 0.11);
    }

    .isc-premium-builder__preset.is-active {
        border-color: var(--isc-premium-accent);
        box-shadow: 0 0 0 2px var(--isc-premium-accent), 0 20px 42px rgba(40, 75, 66, 0.14);
    }

    .isc-premium-builder__preset-media {
        background: linear-gradient(145deg, #f7f7f4, #eeeee9);
    }

    .isc-premium-builder__preset-copy {
        padding: 16px 18px 18px;
    }

    .isc-premium-builder__preset-copy small {
        color: var(--isc-premium-gold);
        font-size: 0.67rem;
        letter-spacing: 0.14em;
    }

    .isc-premium-builder__preset-copy strong {
        margin-top: 5px;
        color: #17221d;
        font-size: 1.04rem;
        letter-spacing: -0.015em;
    }

    .isc-premium-builder__preset-copy span {
        margin-top: 4px;
        color: #727b76;
        font-size: 0.8rem;
    }

    .isc-premium-builder__preset-check {
        background: var(--isc-premium-accent);
        box-shadow: 0 8px 20px rgba(40, 75, 66, 0.24);
    }

    .isc-premium-builder__orientation-panel--inline {
        margin-top: 18px;
        padding: 17px 18px;
        border-color: rgba(44, 58, 51, 0.14);
        background: linear-gradient(135deg, #fbfcfa, #f2f5f2);
    }

    .isc-premium-builder__orientation-copy strong {
        color: #17221d;
        font-size: 0.94rem;
    }

    .isc-premium-builder__orientation-copy span {
        color: #6f7973;
        font-size: 0.79rem;
    }

    .isc-premium-builder__orientation button {
        border-color: rgba(44, 58, 51, 0.16);
        background: #fff;
        color: #36443d;
        font-weight: 720;
    }

    .isc-premium-builder__orientation button:hover:not(:disabled) {
        border-color: rgba(40, 75, 66, 0.48);
        background: #f4f8f5;
    }

    .isc-premium-builder__orientation button.is-active {
        border-color: var(--isc-premium-accent);
        background: var(--isc-premium-accent);
        color: #fff;
        box-shadow: 0 10px 24px rgba(40, 75, 66, 0.2);
    }

    .isc-premium-builder__preset--custom {
        margin-top: 16px;
        border-style: dashed;
        border-color: rgba(40, 75, 66, 0.34);
        background: linear-gradient(135deg, #ffffff, #f1f5f2);
    }

    .isc-premium-builder__swatches {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 13px;
    }

    .isc-premium-builder__swatch {
        position: relative;
        gap: 12px;
        min-height: 145px;
        padding: 15px 9px 13px;
        border-color: rgba(44, 58, 51, 0.14);
        border-radius: 18px;
        background: linear-gradient(180deg, #fff, #fbfbf9);
        box-shadow: 0 6px 18px rgba(25, 35, 30, 0.035);
    }

    .isc-premium-builder__swatch::after {
        content: "✓";
        position: absolute;
        top: 9px;
        right: 9px;
        display: grid;
        width: 22px;
        height: 22px;
        place-items: center;
        border-radius: 50%;
        background: var(--isc-premium-accent);
        color: #fff;
        font-size: 0.72rem;
        font-weight: 900;
        opacity: 0;
        transform: scale(0.75);
        transition: opacity 160ms ease, transform 160ms ease;
    }

    .isc-premium-builder__swatch:hover {
        transform: translateY(-4px);
        border-color: rgba(40, 75, 66, 0.4);
        box-shadow: 0 16px 30px rgba(25, 35, 30, 0.09);
    }

    .isc-premium-builder__swatch.is-active {
        border-color: var(--isc-premium-accent);
        box-shadow: 0 0 0 2px var(--isc-premium-accent), 0 16px 34px rgba(40, 75, 66, 0.12);
    }

    .isc-premium-builder__swatch.is-active::after {
        opacity: 1;
        transform: scale(1);
    }

    .isc-premium-builder__swatch-dot {
        width: 78px;
        height: 78px;
        border-color: rgba(23, 27, 24, 0.16);
        border-radius: 15px;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.46), 0 12px 24px rgba(25, 35, 30, 0.14);
    }

    .isc-premium-builder__swatch > span:last-child {
        color: #26352e;
        font-size: 0.78rem;
        font-weight: 760;
        letter-spacing: -0.01em;
    }

    .isc-premium-builder__preview-column {
        position: sticky;
        top: 24px;
    }

    .isc-premium-builder__preview-card {
        padding: 20px;
    }

    .isc-premium-builder__preview-toolbar {
        padding: 8px 8px 18px;
    }

    .isc-premium-builder__preview-toolbar small {
        color: var(--isc-premium-gold);
        font-size: 0.68rem;
        letter-spacing: 0.15em;
    }

    .isc-premium-builder__preview-title {
        margin-top: 3px;
        color: #17221d;
        font-size: 1.2rem;
        letter-spacing: -0.02em;
    }

    .isc-premium-builder__quality-badge {
        min-height: 32px;
        padding: 6px 11px;
        background: var(--isc-premium-accent-soft);
        color: var(--isc-premium-accent);
        font-size: 0.7rem;
        letter-spacing: 0.04em;
    }

    .isc-premium-builder__zoom-controls {
        border-color: rgba(44, 58, 51, 0.16);
        box-shadow: 0 8px 22px rgba(25, 35, 30, 0.07);
    }

    .isc-premium-builder__zoom-controls button:hover:not(:disabled) {
        background: var(--isc-premium-accent-soft);
        color: var(--isc-premium-accent);
    }

    .isc-premium-builder__preview-stage {
        min-height: 520px;
        border-color: rgba(44, 58, 51, 0.14);
        border-radius: 22px;
        background:
            radial-gradient(circle at 50% 28%, #ffffff 0%, #fafaf7 54%, #eceee9 100%);
        cursor: zoom-in;
        isolation: isolate;
    }

    .isc-premium-builder__preview-stage.is-hover-zooming {
        cursor: crosshair;
    }

    .isc-premium-builder__preview-stage.is-hover-zooming .isc-premium-builder__preview-image {
        transition-duration: 90ms;
    }

    .isc-premium-builder__hover-zoom-hint {
        position: absolute;
        right: 14px;
        bottom: 14px;
        z-index: 5;
        display: inline-flex;
        min-height: 32px;
        align-items: center;
        padding: 6px 11px;
        border: 1px solid rgba(40, 75, 66, 0.14);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.84);
        color: #53615a;
        box-shadow: 0 8px 24px rgba(25, 35, 30, 0.09);
        backdrop-filter: blur(12px);
        font-size: 0.69rem;
        font-weight: 720;
        letter-spacing: 0.015em;
        pointer-events: none;
        transition: opacity 160ms ease, transform 160ms ease;
    }

    .isc-premium-builder__preview-stage.is-hover-zooming .isc-premium-builder__hover-zoom-hint {
        opacity: 0;
        transform: translateY(4px);
    }

    .isc-premium-builder__summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-top: 16px;
        border-color: rgba(44, 58, 51, 0.13);
        border-radius: 18px;
    }

    .isc-premium-builder__summary-row {
        display: grid;
        gap: 3px;
        padding: 14px 16px;
        background: linear-gradient(180deg, #fff, #fbfcfa);
    }

    .isc-premium-builder__summary-row + .isc-premium-builder__summary-row {
        border-top: 0;
    }

    .isc-premium-builder__summary-row:nth-child(even) {
        border-left: 1px solid var(--isc-premium-line);
    }

    .isc-premium-builder__summary-row:nth-child(n + 3) {
        border-top: 1px solid var(--isc-premium-line);
    }

    .isc-premium-builder__summary-row span {
        color: #7a837e;
        font-size: 0.72rem;
        font-weight: 650;
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }

    .isc-premium-builder__summary-row strong {
        color: #213029;
        font-size: 0.9rem;
        text-align: left;
    }

    .isc-premium-builder__cart-button {
        min-height: 62px;
        margin-top: 16px;
        border-radius: 16px;
        background: linear-gradient(135deg, #315b50, #1d3932);
        box-shadow: 0 14px 30px rgba(40, 75, 66, 0.22);
        font-size: 0.94rem;
        letter-spacing: 0.01em;
    }

    .isc-premium-builder__cart-button:hover {
        transform: translateY(-3px);
        background: linear-gradient(135deg, #38695c, #23453c);
        box-shadow: 0 18px 38px rgba(40, 75, 66, 0.3);
    }

    .isc-premium-builder__cart-note {
        color: #7b847f;
        font-size: 0.72rem;
    }
}

@media (min-width: 768px) and (max-width: 1080px) {
    .isc-premium-builder__hover-zoom-hint {
        display: inline-flex;
        position: absolute;
        right: 14px;
        bottom: 14px;
        z-index: 5;
        min-height: 30px;
        align-items: center;
        padding: 5px 10px;
        border: 1px solid rgba(23, 23, 21, 0.13);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.84);
        color: var(--isc-premium-muted);
        font-size: 0.68rem;
        font-weight: 700;
        pointer-events: none;
    }

    .isc-premium-builder__preview-stage {
        cursor: zoom-in;
    }
}

@media (max-width: 767px), (hover: none), (pointer: coarse) {
    .isc-premium-builder__preview-stage {
        --isc-hover-zoom: 1 !important;
        --isc-zoom-origin-x: 50% !important;
        --isc-zoom-origin-y: 50% !important;
        cursor: default;
    }

    .isc-premium-builder__hover-zoom-hint {
        display: none !important;
    }
}


.isc-premium-builder__preview-stage.is-custom-mode {
    cursor: default;
}

.isc-premium-builder__preview-stage.is-custom-mode .isc-premium-builder__hover-zoom-hint {
    display: none;
}


/* v4.1.4 — compact, high-impact configurator intro */
@media (min-width: 1081px) {
    .isc-premium-builder__hero {
        min-height: 0;
        align-items: center;
        gap: 24px;
        padding: 27px 34px;
        border-radius: 22px;
        box-shadow: 0 12px 34px rgba(25, 35, 30, 0.065);
    }

    .isc-premium-builder__hero-copy {
        max-width: 790px;
    }

    .isc-premium-builder__kicker {
        min-height: 27px;
        padding: 4px 10px;
        font-size: 0.65rem;
        letter-spacing: 0.13em;
        box-shadow: none;
    }

    .isc-premium-builder__hero h2 {
        max-width: 760px;
        margin-top: 11px;
        font-size: clamp(2.15rem, 3vw, 3.35rem);
        letter-spacing: -0.045em;
        line-height: 1;
    }

    .isc-premium-builder__hero p {
        max-width: 700px;
        margin-top: 10px;
        font-size: 0.96rem;
        line-height: 1.5;
    }

    .isc-premium-builder__hero-note {
        grid-template-columns: auto 1fr;
        grid-template-areas:
            "number action"
            "number detail";
        align-items: center;
        column-gap: 12px;
        min-width: 190px;
        padding: 12px 15px;
        border-radius: 15px;
        box-shadow: none;
    }

    .isc-premium-builder__hero-note span {
        grid-area: number;
        font-size: 1.45rem;
    }

    .isc-premium-builder__hero-note strong {
        grid-area: action;
        margin-top: 0;
        font-size: 0.74rem;
        letter-spacing: 0.09em;
    }

    .isc-premium-builder__hero-note small {
        grid-area: detail;
        margin-top: 1px;
        font-size: 0.72rem;
        line-height: 1.25;
    }

    .isc-premium-builder__hero::after {
        right: 31px;
        bottom: 14px;
        width: 118px;
        height: 4px;
        box-shadow: none;
        opacity: 0.8;
    }

    .isc-premium-builder__shell {
        margin-top: 20px;
    }
}

@media (max-width: 767px) {
    .isc-premium-builder__hero {
        padding: 18px 17px 19px;
    }

    .isc-premium-builder__hero h2 {
        margin-top: 11px;
        font-size: clamp(1.95rem, 9.5vw, 2.6rem);
        line-height: 1;
    }

    .isc-premium-builder__hero p {
        margin-top: 10px;
        font-size: 0.9rem;
        line-height: 1.45;
    }
}

/* v4.3.1 — mobile composition carousel: every sofa fully visible and selected item centered */
@media (max-width: 782px) {
    .isc-premium-builder__preset-grid {
        scroll-snap-type: x mandatory;
        scroll-padding-inline: 11vw;
    }

    .isc-premium-builder__preset-grid .isc-premium-builder__preset {
        scroll-snap-align: center;
        scroll-snap-stop: always;
    }

    .isc-premium-builder__preset-media {
        background: #f7f4ef;
    }

    .isc-premium-builder__preset-media img {
        width: 100%;
        height: 100%;
        object-fit: contain !important;
        object-position: center center !important;
    }
}


/* v4.3.3 — show all sofa images fully, with no cut-offs on desktop or mobile */
.isc-premium-builder__preset-media {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: #f6f3ee;
}

.isc-premium-builder__preset-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
}

.isc-premium-builder__preset:hover img {
    transform: scale(1.015);
}

.isc-premium-builder__gallery-thumb {
    background: #f7f4ef;
}

.isc-premium-builder__gallery-thumb img,
.isc-premium-builder__custom-add img,
.isc-premium-builder__custom-module img,
.isc-premium-builder__preview-image {
    object-position: center center;
}

@media (max-width: 1080px) {
    .isc-premium-builder__preset-media {
        padding: 9px;
    }

    .isc-premium-builder__preset-grid .isc-premium-builder__preset {
        flex-basis: min(82vw, 320px);
        width: min(82vw, 320px);
        max-width: min(82vw, 320px);
    }
}


/* v4.3.9 — mobile preview cleanup: zoom +/- controls are desktop-only */
@media (max-width: 782px), (hover: none) and (pointer: coarse) {
    .isc-premium-builder__zoom-controls {
        display: none !important;
    }

    .isc-premium-builder__preview-actions {
        gap: 0;
    }
}

/* v4.4.3 — inline preview removed; open live preview inside a modal pop-up */
.isc-premium-builder__shell {
    grid-template-columns: minmax(0, 1fr) !important;
}

.isc-premium-builder__preview-launch {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 18px;
    border: 1px solid rgba(35, 35, 30, 0.08);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(247,242,233,0.95));
}

.isc-premium-builder__preview-launch-copy {
    display: grid;
    gap: 5px;
}

.isc-premium-builder__preview-launch-copy strong {
    color: #1f241d;
    font-size: 1rem;
}

.isc-premium-builder__preview-launch-copy span {
    color: var(--isc-premium-muted);
    font-size: 0.92rem;
}

.isc-premium-builder__preview-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 18px;
    border: 0;
    border-radius: 999px;
    background: var(--isc-premium-ink);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(31, 36, 29, 0.16);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.isc-premium-builder__preview-trigger:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(31, 36, 29, 0.2);
}

.isc-premium-builder__preview-modal[hidden] {
    display: none !important;
}

.isc-premium-builder__preview-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
}

.isc-premium-builder__preview-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(20, 22, 19, 0.58);
    backdrop-filter: blur(7px);
}

.isc-premium-builder__preview-dialog {
    position: relative;
    z-index: 1;
    width: min(980px, 100%);
    max-height: calc(100vh - 56px);
    overflow: auto;
    border-radius: 28px;
}

.isc-premium-builder__preview-column--modal {
    position: static;
    width: 100%;
}

.isc-premium-builder__preview-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: rgba(26, 30, 25, 0.92);
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0,0,0,0.16);
}

body.isc-preview-modal-open {
    overflow: hidden;
}

@media (max-width: 782px) {
    .isc-premium-builder__preview-launch {
        flex-direction: column;
        align-items: stretch;
    }

    .isc-premium-builder__preview-trigger {
        width: 100%;
    }

    .isc-premium-builder__preview-modal {
        padding: 12px;
        align-items: flex-end;
    }

    .isc-premium-builder__preview-dialog {
        width: 100%;
        max-height: calc(100vh - 24px);
        border-radius: 22px;
    }

    .isc-premium-builder__preview-close {
        top: 10px;
        right: 10px;
    }
}

/* v4.4.5 — compact custom builder, per-piece colour rail, expandable canvas */
.isc-premium-builder__custom-main {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr) 190px;
    gap: 14px;
    align-items: stretch;
}

.isc-premium-builder__custom-side-title {
    display: block;
    margin-bottom: 8px;
    color: var(--isc-premium-ink);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.isc-premium-builder__custom-library,
.isc-premium-builder__custom-colours {
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 17px;
    background: rgba(255,255,255,0.78);
}

.isc-premium-builder__custom-library {
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 8px;
}

.isc-premium-builder__custom-library > .isc-premium-builder__custom-side-title {
    grid-column: 1 / -1;
}

.isc-premium-builder__custom-add {
    grid-template-columns: 42px minmax(0,1fr) 22px;
    padding: 7px;
    border-radius: 12px;
}

.isc-premium-builder__custom-add img {
    width: 42px;
    height: 42px;
}

.isc-premium-builder__custom-add strong {
    width: 22px;
    height: 22px;
}

.isc-premium-builder__custom-canvas-column {
    min-width: 0;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 9px;
}

.isc-premium-builder__custom-canvas-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.isc-premium-builder__custom-canvas-head > div:first-child {
    display: grid;
    gap: 2px;
}

.isc-premium-builder__custom-canvas-head strong {
    color: var(--isc-premium-ink);
    font-size: 0.82rem;
}

.isc-premium-builder__custom-canvas-head span {
    color: var(--isc-premium-muted);
    font-size: 0.72rem;
}

.isc-premium-builder__custom-canvas-zoom {
    display: inline-grid;
    grid-template-columns: 34px 52px 34px;
    overflow: hidden;
    flex: 0 0 auto;
    border: 1px solid var(--isc-premium-line);
    border-radius: 999px;
    background: #fff;
}

.isc-premium-builder__custom-canvas-zoom button,
.isc-premium-builder__custom-canvas-zoom output {
    display: grid;
    min-height: 34px;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--isc-premium-ink);
    font-size: 0.78rem;
    font-weight: 800;
}

.isc-premium-builder__custom-canvas-zoom button {
    cursor: pointer;
}

.isc-premium-builder__custom-canvas-zoom button:hover:not(:disabled) {
    background: rgba(25, 28, 24, 0.07);
}

.isc-premium-builder__custom-canvas-zoom button:disabled {
    opacity: 0.35;
    cursor: default;
}

.isc-premium-builder__custom-workspace-wrap {
    min-height: 0;
    padding: 8px;
}

.isc-premium-builder__custom-colours {
    align-self: stretch;
}

.isc-premium-builder__custom-colours > p {
    margin: 0 0 10px;
    color: var(--isc-premium-muted);
    font-size: 0.72rem;
    line-height: 1.35;
}

.isc-premium-builder__custom-colour-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.isc-premium-builder__custom-colour {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 5px;
    min-width: 0;
    padding: 7px 5px 6px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--isc-premium-ink);
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.isc-premium-builder__custom-colour:hover,
.isc-premium-builder__custom-colour.is-active {
    border-color: rgba(35, 39, 33, 0.18);
    background: #fff;
    transform: translateY(-1px);
}

.isc-premium-builder__custom-colour.is-active::after {
    content: '✓';
    position: absolute;
    top: 3px;
    right: 3px;
    display: grid;
    width: 18px;
    height: 18px;
    place-items: center;
    border-radius: 50%;
    background: var(--isc-premium-ink);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 900;
}

.isc-premium-builder__custom-colour > span {
    display: block;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(23, 23, 21, 0.12);
    border-radius: 11px;
    background-color: var(--isc-colour);
    background-image: var(--isc-swatch-image);
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}

.isc-premium-builder__custom-colour small {
    overflow: hidden;
    width: 100%;
    color: var(--isc-premium-ink);
    font-size: 0.62rem;
    font-weight: 750;
    line-height: 1.15;
    text-align: center;
    text-overflow: ellipsis;
}

/* Custom now has its own per-piece colour rail, so the global colour controls collapse. */
.isc-premium-builder.is-custom-active [data-mobile-section="colour"] .isc-premium-builder__panel-heading,
.isc-premium-builder.is-custom-active [data-mobile-section="colour"] .isc-premium-builder__swatches {
    display: none !important;
}

.isc-premium-builder.is-custom-active [data-mobile-section="colour"] {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.isc-premium-builder.is-custom-active [data-mobile-section="colour"] .isc-premium-builder__preview-launch {
    margin-top: 0;
}

@media (max-width: 1080px) {
    .isc-premium-builder__custom-main {
        grid-template-columns: 150px minmax(0, 1fr) 170px;
        gap: 10px;
    }

    .isc-premium-builder__custom-colour > span {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 782px) {
    .isc-premium-builder__custom-main {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .isc-premium-builder__custom-library {
        grid-auto-flow: column;
        grid-auto-columns: minmax(150px, 46vw);
        grid-template-columns: none;
        overflow-x: auto;
        scroll-snap-type: x proximity;
    }

    .isc-premium-builder__custom-library > .isc-premium-builder__custom-side-title {
        grid-column: auto;
        align-self: center;
        margin: 0 4px 0 0;
        writing-mode: horizontal-tb;
    }

    .isc-premium-builder__custom-add {
        scroll-snap-align: start;
    }

    .isc-premium-builder__custom-canvas-head {
        align-items: flex-end;
    }

    .isc-premium-builder__custom-canvas-head span {
        max-width: 220px;
    }

    .isc-premium-builder__custom-colours {
        padding: 10px;
    }

    .isc-premium-builder__custom-colours > p {
        margin-bottom: 8px;
    }

    .isc-premium-builder__custom-colour-grid {
        grid-template-columns: repeat(3, minmax(0,1fr));
    }

    .isc-premium-builder__custom-colour > span {
        width: 50px;
        height: 50px;
    }
}

.isc-premium-builder__custom-colour:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

/* v4.4.6 — dynamic preset previews, clipped colour tabs, visible modal close, 360° angle viewer */
.isc-premium-builder__preset-media {
    overflow: hidden;
}

.isc-premium-builder__preset-media img {
    transition: opacity 180ms ease, transform 180ms ease;
}

/* Keep every fabric texture strictly inside its own tab. */
.isc-premium-builder__swatch,
.isc-premium-builder__custom-colour {
    overflow: hidden;
    isolation: isolate;
}

.isc-premium-builder__swatch-dot,
.isc-premium-builder__custom-colour > span {
    overflow: hidden;
    max-width: 100%;
    background-clip: padding-box;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.28) !important;
}

.isc-premium-builder__custom-colour::after {
    z-index: 2;
}

/* The modal is portalled to body in JS, so it cannot sit under the landing navigation. */
.isc-premium-builder__preview-modal {
    z-index: 2147483000 !important;
    padding-top: max(28px, env(safe-area-inset-top)) !important;
}

.isc-premium-builder__preview-modal-backdrop {
    z-index: 0;
}

.isc-premium-builder__preview-dialog {
    z-index: 1;
    overflow: visible;
    max-height: calc(100dvh - 56px);
}

.isc-premium-builder__preview-column--modal {
    max-height: calc(100dvh - 56px);
    overflow: auto;
    border-radius: inherit;
}

.isc-premium-builder__preview-close {
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    z-index: 2147483001 !important;
    display: grid !important;
    place-items: center;
    visibility: visible !important;
    opacity: 1 !important;
}

.isc-premium-builder__view360-toggle {
    min-height: 30px;
    padding: 5px 11px;
    border: 1px solid var(--isc-premium-line);
    border-radius: 999px;
    background: #fff;
    color: var(--isc-premium-ink);
    font-size: 0.72rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37,35,31,0.06);
}

.isc-premium-builder__view360-toggle:hover,
.isc-premium-builder__view360-toggle.is-active {
    border-color: var(--isc-premium-ink);
    background: var(--isc-premium-ink);
    color: #fff;
}

.isc-premium-builder__view360-hint {
    position: absolute;
    left: 50%;
    bottom: 14px;
    z-index: 5;
    transform: translateX(-50%);
    max-width: calc(100% - 28px);
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(23,23,21,0.84);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-align: center;
    pointer-events: none;
}

.isc-premium-builder__preview-stage.is-360-active {
    cursor: ew-resize;
    touch-action: pan-y;
    user-select: none;
}

.isc-premium-builder__preview-stage.is-360-dragging {
    cursor: grabbing;
}

.isc-premium-builder__preview-stage.is-360-active .isc-premium-builder__hover-zoom-hint {
    display: none !important;
}

@media (max-width: 782px) {
    .isc-premium-builder__preview-modal {
        padding-top: max(12px, env(safe-area-inset-top)) !important;
    }

    .isc-premium-builder__preview-dialog,
    .isc-premium-builder__preview-column--modal {
        max-height: calc(100dvh - 24px);
    }

    .isc-premium-builder__preview-close {
        top: 10px !important;
        right: 10px !important;
    }
}

.isc-premium-builder__preview-modal,
.isc-premium-builder__preview-modal * {
    box-sizing: border-box;
}

.isc-premium-builder__preview-modal {
    color: var(--isc-premium-ink);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

/* v4.6.1 — large LP2 sofa quick-view + automatic 360 mode when angle frames exist */
.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview {
    align-items: center;
    padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom)) !important;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-dialog {
    width: min(1320px, calc(100vw - 36px));
    max-width: 1320px;
    border-radius: 28px;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-card {
    padding: 20px;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-stage {
    min-height: clamp(460px, 63vh, 760px);
    border-radius: 22px;
    background: #f7f4ef;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-image {
    width: 100%;
    height: 100%;
    max-height: 760px;
    object-fit: contain !important;
    object-position: center center !important;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-toggle:not([hidden]) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding-inline: 14px;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-toggle.is-active::before {
    content: '↔ ';
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-hint {
    bottom: 20px;
    padding: 9px 14px;
    font-size: .78rem;
}

@media (max-width: 782px) {
    .isc-premium-builder__preview-modal.isc-lp2-sofa-quickview {
        padding: 8px !important;
        align-items: flex-end;
    }

    .isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-dialog {
        width: 100%;
        max-width: none;
        max-height: calc(100dvh - 16px);
        border-radius: 22px;
    }

    .isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-card {
        padding: 12px;
    }

    .isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-stage {
        min-height: 48vh;
        max-height: 62vh;
        border-radius: 18px;
    }
}


/* v4.6.3 — LP2 360 quick-view: rotation is the primary interaction, never hover zoom */
.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__zoom-controls,
.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__hover-zoom-hint {
    display: none !important;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-stage {
    --isc-preview-zoom: 1 !important;
    --isc-hover-zoom: 1 !important;
    --isc-zoom-origin-x: 50% !important;
    --isc-zoom-origin-y: 50% !important;
    cursor: grab !important;
    touch-action: pan-y;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-stage.is-360-dragging {
    cursor: grabbing !important;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-image,
.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__preview-image.is-flipped {
    transform: none !important;
    transform-origin: 50% 50% !important;
    -webkit-user-drag: none;
    user-select: none;
    pointer-events: none;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-toggle:not([hidden]) {
    background: #171715 !important;
    color: #fff !important;
    border-color: #171715 !important;
    cursor: default;
}

.isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-hint:not([hidden]) {
    display: block !important;
    bottom: 18px;
    padding: 10px 16px;
    background: rgba(23, 23, 21, .88);
    color: #fff;
    font-size: .82rem;
    letter-spacing: .015em;
    white-space: nowrap;
}

.isc-premium-builder__view360-step {
    position: absolute;
    top: 50%;
    z-index: 8;
    width: 48px;
    height: 48px;
    margin-top: -24px;
    border: 1px solid rgba(23, 23, 21, .12);
    border-radius: 999px;
    background: rgba(255,255,255,.92);
    color: #171715;
    box-shadow: 0 8px 24px rgba(22, 20, 17, .12);
    font-size: 34px;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, color .18s ease;
}

.isc-premium-builder__view360-step[hidden] {
    display: none !important;
}

.isc-premium-builder__view360-step--prev { left: 16px; }
.isc-premium-builder__view360-step--next { right: 16px; }

.isc-premium-builder__view360-step:hover,
.isc-premium-builder__view360-step:focus-visible {
    background: #171715;
    color: #fff;
    transform: scale(1.04);
    outline: none;
}

@media (max-width: 782px) {
    .isc-premium-builder__preview-modal.isc-lp2-sofa-quickview .isc-premium-builder__view360-hint:not([hidden]) {
        max-width: calc(100% - 92px);
        white-space: normal;
        line-height: 1.25;
        font-size: .74rem;
    }

    .isc-premium-builder__view360-step {
        width: 42px;
        height: 42px;
        margin-top: -21px;
        font-size: 30px;
    }

    .isc-premium-builder__view360-step--prev { left: 8px; }
    .isc-premium-builder__view360-step--next { right: 8px; }
}

/* v4.6.4 — dedicated Landing Page 2 360° viewer.
   This intentionally does not reuse the generic zoom preview. */
.isc-lp2-360-modal[hidden] {
    display: none !important;
}

.isc-lp2-360-modal {
    position: fixed;
    inset: 0;
    z-index: 2147483600;
    display: grid;
    place-items: center;
    padding: 24px;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #171715;
}

.isc-lp2-360-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(18, 18, 16, .66);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.isc-lp2-360-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(1420px, calc(100vw - 48px));
    max-height: calc(100dvh - 48px);
    overflow: hidden;
    border-radius: 28px;
    background: #f7f4ef;
    box-shadow: 0 30px 100px rgba(0, 0, 0, .34);
}

.isc-lp2-360-modal__header {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 82px 18px 26px;
    border-bottom: 1px solid rgba(23, 23, 21, .09);
    background: #fffdf9;
}

.isc-lp2-360-modal__header > div {
    display: grid;
    gap: 3px;
}

.isc-lp2-360-modal__header span {
    font-size: .72rem;
    font-weight: 850;
    letter-spacing: .11em;
}

.isc-lp2-360-modal__header strong {
    font-size: clamp(1.25rem, 2vw, 1.85rem);
    line-height: 1.05;
}

.isc-lp2-360-modal__header p {
    margin: 0;
    color: #6b655e;
    font-size: .92rem;
    font-weight: 650;
}

.isc-lp2-360-modal__close {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 30;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 999px;
    background: #171715;
    color: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .14);
}

.isc-lp2-360-modal__stage {
    position: relative;
    min-height: min(720px, calc(100dvh - 170px));
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 36px 100px 62px;
    background: radial-gradient(circle at 50% 40%, #fff 0%, #f8f6f2 50%, #eee9e1 100%);
    cursor: ew-resize;
    touch-action: pan-y;
    user-select: none;
}

.isc-lp2-360-modal__stage.is-dragging {
    cursor: grabbing;
}

.isc-lp2-360-modal__image {
    display: block;
    width: min(100%, 1180px);
    max-width: 100%;
    max-height: min(620px, calc(100dvh - 250px));
    height: auto;
    object-fit: contain;
    object-position: center;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.isc-lp2-360-modal__arrow {
    position: absolute;
    top: 50%;
    z-index: 25;
    width: 66px;
    height: 66px;
    margin-top: -33px;
    display: grid !important;
    place-items: center;
    border: 3px solid rgba(255, 255, 255, .94);
    border-radius: 999px;
    background: #171715 !important;
    color: #fff !important;
    font-size: 46px !important;
    line-height: 1 !important;
    font-weight: 400 !important;
    cursor: pointer;
    box-shadow: 0 12px 34px rgba(0, 0, 0, .24);
    opacity: 1 !important;
    visibility: visible !important;
}

.isc-lp2-360-modal__arrow--prev { left: 24px; }
.isc-lp2-360-modal__arrow--next { right: 24px; }

.isc-lp2-360-modal__arrow:hover,
.isc-lp2-360-modal__arrow:focus-visible {
    transform: scale(1.06);
    outline: 3px solid rgba(23, 23, 21, .15);
    outline-offset: 3px;
}

.isc-lp2-360-modal__instruction {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    padding: 9px 15px;
    border-radius: 999px;
    background: rgba(23, 23, 21, .88);
    color: #fff;
    font-size: .82rem;
    font-weight: 750;
    white-space: nowrap;
    pointer-events: none;
}

.isc-lp2-360-modal__counter {
    position: absolute;
    right: 24px;
    bottom: 20px;
    min-width: 56px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .92);
    color: #171715;
    font-size: .78rem;
    font-weight: 850;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
}

body.isc-lp2-360-open {
    overflow: hidden !important;
}

@media (max-width: 782px) {
    .isc-lp2-360-modal {
        padding: 8px;
        align-items: end;
    }

    .isc-lp2-360-modal__dialog {
        width: 100%;
        max-height: calc(100dvh - 16px);
        border-radius: 22px;
    }

    .isc-lp2-360-modal__header {
        min-height: 78px;
        padding: 14px 62px 14px 16px;
        align-items: flex-start;
    }

    .isc-lp2-360-modal__header p {
        display: none;
    }

    .isc-lp2-360-modal__close {
        top: 12px;
        right: 12px;
        width: 44px;
        height: 44px;
    }

    .isc-lp2-360-modal__stage {
        min-height: min(70vh, 610px);
        padding: 24px 56px 70px;
    }

    .isc-lp2-360-modal__image {
        max-height: min(56vh, 500px);
    }

    .isc-lp2-360-modal__arrow {
        width: 48px;
        height: 48px;
        margin-top: -24px;
        border-width: 2px;
        font-size: 34px !important;
    }

    .isc-lp2-360-modal__arrow--prev { left: 8px; }
    .isc-lp2-360-modal__arrow--next { right: 8px; }

    .isc-lp2-360-modal__instruction {
        bottom: 20px;
        max-width: calc(100% - 100px);
        font-size: .72rem;
        white-space: normal;
        text-align: center;
    }

    .isc-lp2-360-modal__counter {
        right: 12px;
        bottom: 20px;
    }
}


/* v4.6.5 cache-reset safety: force the dedicated 360 UI above any theme/menu. */
.isc-lp2-360-modal { z-index: 2147483640 !important; }
.isc-lp2-360-modal__dialog { z-index: 2147483642 !important; }
.isc-lp2-360-modal__arrow { display:grid !important; opacity:1 !important; visibility:visible !important; pointer-events:auto !important; z-index:2147483646 !important; }
.isc-lp2-360-modal__close { display:grid !important; opacity:1 !important; visibility:visible !important; z-index:2147483647 !important; }

/* v4.6.6 — make the LP2 360° feature explicit and impossible to miss */
.isc-lp2-configurator .isc-lp2-preset-unit {
    position: relative;
}

.isc-lp2-configurator .isc-lp2-preset-quickview {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 8;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 9px;
    border-radius: 999px;
    background: rgba(23, 23, 21, .92);
    color: #fff;
    pointer-events: none;
    box-shadow: 0 8px 20px rgba(0,0,0,.14);
}

.isc-lp2-configurator .isc-lp2-preset-quickview > span {
    font-size: .72rem;
    font-weight: 900;
    line-height: 1;
}

.isc-lp2-configurator .isc-lp2-preset-quickview > strong {
    font-size: .58rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: .08em;
}

.isc-lp2-configurator .isc-lp2-preset-open360 {
    width: 100%;
    min-height: 48px;
    margin-top: 8px;
    padding: 8px 13px;
    border: 1px solid #20241f;
    border-radius: 14px;
    background: #20241f;
    color: #fff;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    text-align: left;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(32,36,31,.10);
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.isc-lp2-configurator .isc-lp2-preset-open360:hover,
.isc-lp2-configurator .isc-lp2-preset-open360:focus-visible {
    background: #111411;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(32,36,31,.18);
    outline: none;
}

.isc-lp2-configurator .isc-lp2-preset-open360__icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #fff;
    color: #20241f;
    font-size: 1rem;
    font-weight: 900;
}

.isc-lp2-configurator .isc-lp2-preset-open360 > span:nth-child(2) {
    display: grid;
    gap: 2px;
}

.isc-lp2-configurator .isc-lp2-preset-open360 strong {
    color: #fff !important;
    font-size: .76rem !important;
    font-weight: 900 !important;
    letter-spacing: .045em;
    line-height: 1.1;
}

.isc-lp2-configurator .isc-lp2-preset-open360 small {
    color: rgba(255,255,255,.75) !important;
    font-size: .66rem !important;
    line-height: 1.1;
}

/* Viewer fallback/critical styles. These deliberately duplicate the important rules
   so a theme or stale stylesheet cannot hide the 360 controls. */
.isc-lp2-360-modal[data-lp2-360-modal] {
    position: fixed !important;
    inset: 0 !important;
    z-index: 2147483640 !important;
    display: grid !important;
    place-items: center !important;
    padding: 20px !important;
}

.isc-lp2-360-modal[data-lp2-360-modal][hidden] {
    display: none !important;
}

.isc-lp2-360-modal__dialog {
    position: relative !important;
    z-index: 2147483642 !important;
    width: min(1180px, calc(100vw - 40px)) !important;
    max-height: calc(100vh - 40px) !important;
    overflow: hidden !important;
    border-radius: 24px !important;
    background: #f5f2ec !important;
    box-shadow: 0 30px 90px rgba(0,0,0,.34) !important;
}

.isc-lp2-360-modal__stage {
    position: relative !important;
    min-height: min(68vh, 720px) !important;
    display: grid !important;
    place-items: center !important;
    overflow: hidden !important;
    cursor: grab !important;
    touch-action: none !important;
    background: #f1eee8 !important;
}

.isc-lp2-360-modal__stage.is-dragging {
    cursor: grabbing !important;
}

.isc-lp2-360-modal__image {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    max-width: 1040px !important;
    max-height: 66vh !important;
    object-fit: contain !important;
    object-position: center !important;
    user-select: none !important;
    pointer-events: none !important;
}

.isc-lp2-360-modal__arrow[data-lp2-360-step] {
    position: absolute !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 58px !important;
    height: 58px !important;
    border: 0 !important;
    border-radius: 50% !important;
    display: grid !important;
    place-items: center !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    background: #171715 !important;
    color: #fff !important;
    font-size: 42px !important;
    line-height: 1 !important;
    cursor: pointer !important;
    z-index: 2147483646 !important;
    box-shadow: 0 12px 30px rgba(0,0,0,.22) !important;
}

.isc-lp2-360-modal__arrow--prev { left: 24px !important; }
.isc-lp2-360-modal__arrow--next { right: 24px !important; }

.isc-lp2-360-modal__close[data-lp2-360-close] {
    position: absolute !important;
    top: 14px !important;
    right: 14px !important;
    width: 46px !important;
    height: 46px !important;
    border: 0 !important;
    border-radius: 50% !important;
    display: grid !important;
    place-items: center !important;
    opacity: 1 !important;
    visibility: visible !important;
    background: #171715 !important;
    color: #fff !important;
    font-size: 30px !important;
    cursor: pointer !important;
    z-index: 2147483647 !important;
}

.isc-lp2-360-modal__instruction,
.isc-lp2-360-modal__counter {
    position: absolute !important;
    bottom: 16px !important;
    z-index: 2147483645 !important;
    padding: 8px 12px !important;
    border-radius: 999px !important;
    background: rgba(23,23,21,.88) !important;
    color: #fff !important;
    font-size: .75rem !important;
    font-weight: 800 !important;
    letter-spacing: .04em !important;
}

.isc-lp2-360-modal__instruction { left: 50% !important; transform: translateX(-50%) !important; }
.isc-lp2-360-modal__counter { right: 18px !important; }

@media (max-width: 782px) {
    .isc-lp2-configurator .isc-lp2-preset-quickview {
        top: 8px;
        right: 8px;
        padding: 6px 8px;
    }
    .isc-lp2-configurator .isc-lp2-preset-quickview > strong { display: none; }
    .isc-lp2-configurator .isc-lp2-preset-open360 { min-height: 44px; }
    .isc-lp2-360-modal[data-lp2-360-modal] { padding: 8px !important; }
    .isc-lp2-360-modal__dialog { width: calc(100vw - 16px) !important; max-height: calc(100vh - 16px) !important; border-radius: 18px !important; }
    .isc-lp2-360-modal__stage { min-height: 62vh !important; }
    .isc-lp2-360-modal__arrow[data-lp2-360-step] { width: 46px !important; height: 46px !important; font-size: 34px !important; }
    .isc-lp2-360-modal__arrow--prev { left: 8px !important; }
    .isc-lp2-360-modal__arrow--next { right: 8px !important; }
    .isc-lp2-360-modal__instruction { bottom: 12px !important; font-size: .66rem !important; }
    .isc-lp2-360-modal__counter { bottom: 12px !important; right: 10px !important; font-size: .66rem !important; }
}