/**
 * Product configurator: preview column beside an option panel.
 *
 * Colours inherit from the surrounding page. Surfaces that need one of their
 * own read a variable with a light default, so the extension works on light
 * layouts without configuration and adapts to dark ones through the theme.
 */

.bwproducts-detail--split {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 24px;
    align-items: start;
}

@media (max-width: 980px) {
    .bwproducts-detail--split {
        grid-template-columns: 1fr;
    }
}

/* Preview ------------------------------------------------------------------ */

.bwproducts-preview {
    position: sticky;
    top: 24px;
    overflow: hidden;
    border: 1px solid var(--bwproducts-border);
    border-radius: var(--bwproducts-radius);
    background: var(--bwproducts-panel, #ffffff);
}

@media (max-width: 980px) {
    .bwproducts-preview {
        position: relative;
        top: auto;
    }
}

.bwproducts-preview__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid var(--bwproducts-border);
}

.bwproducts-preview__sku {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.75;
}

.bwproducts-preview__stage {
    position: relative;
    min-height: 420px;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 28px;
    background: var(--bwproducts-stage, linear-gradient(160deg, #eff5fc, #e5eef9));
}

/* Faint grid, masked towards the bottom so it fades out. */
.bwproducts-preview__stage::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image:
        linear-gradient(rgba(60, 100, 154, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 100, 154, 0.09) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.bwproducts-preview__image {
    position: relative;
    z-index: 2;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    transition: opacity 320ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Set while the image is being swapped after a choice. */
.bwproducts-preview__image.is-changing {
    opacity: 0;
    transform: scale(0.97);
}

.bwproducts-preview__placeholder {
    position: relative;
    z-index: 2;
    opacity: 0.5;
}

.bwproducts-preview__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 22px;
}

.bwproducts-preview__title {
    margin: 0 0 4px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.bwproducts-preview__subtitle {
    margin: 0;
    font-size: 0.86rem;
    opacity: 0.72;
}

.bwproducts-preview__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}

.bwproducts-preview__tag {
    padding: 6px 11px;
    border: 1px solid var(--bwproducts-border);
    border-radius: 99px;
    background: var(--bwproducts-surface);
    font-size: 0.72rem;
    font-weight: 700;
}

/* Panel -------------------------------------------------------------------- */

.bwproducts-panel {
    overflow: hidden;
    border: 1px solid var(--bwproducts-border);
    border-radius: var(--bwproducts-radius);
    background: var(--bwproducts-panel, #ffffff);
}

.bwproducts-panel__head {
    padding: 24px 26px;
    border-bottom: 1px solid var(--bwproducts-border);
}

.bwproducts-panel__headrow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.bwproducts-panel__title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.bwproducts-panel__steps {
    font-size: 0.78rem;
    font-weight: 700;
    opacity: 0.72;
}

.bwproducts-panel__progress {
    height: 4px;
    margin-top: 16px;
    border-radius: 99px;
    background: var(--bwproducts-surface-alt);
    overflow: hidden;
}

.bwproducts-panel__progress span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--bwproducts-accent), var(--bwproducts-accent-2, #62a5ff));
    transition: width 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.bwproducts-panel__teaser {
    margin: 0;
    padding: 20px 26px 0;
    font-size: 0.94rem;
    line-height: 1.6;
    opacity: 0.82;
}

/* Option groups ------------------------------------------------------------ */

.bwproducts-config__group {
    margin: 0;
    padding: 18px 26px;
    border: 0;
    border-bottom: 1px solid var(--bwproducts-border);
}

.bwproducts-config__legend {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    padding: 0;
    margin-bottom: 12px;
}

.bwproducts-config__number {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bwproducts-surface-alt);
    font-size: 0.74rem;
    font-weight: 800;
}

.bwproducts-config__legend strong {
    display: block;
    margin-bottom: 3px;
    font-size: 0.98rem;
}

.bwproducts-config__legend small {
    display: block;
    font-size: 0.78rem;
    opacity: 0.72;
}

.bwproducts-config__required {
    margin-left: 3px;
    color: var(--bwproducts-accent);
    font-style: normal;
}

.bwproducts-config__choices {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

/* Two per row when the values carry images or swatches — they need more room. */
.bwproducts-config__choices--swatch {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

@media (max-width: 620px) {
    .bwproducts-config__choices {
        grid-template-columns: 1fr;
    }
}

.bwproducts-choice {
    position: relative;
}

/* Hidden rather than removed: keyboard focus and form submission still work. */
.bwproducts-choice input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/*
 * Height follows the content instead of a fixed minimum: options without a
 * swatch would otherwise sit in a mostly empty box.
 */
.bwproducts-choice label {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    padding: 11px 12px;
    padding-right: 34px;
    border: 1px solid var(--bwproducts-border);
    border-radius: 14px;
    background: var(--bwproducts-surface);
    cursor: pointer;
    transition: border-color 250ms, box-shadow 250ms, transform 250ms, background 250ms;
}

.bwproducts-choice label:hover {
    transform: translateY(-3px);
    border-color: var(--bwproducts-accent);
    box-shadow: 0 10px 24px rgba(18, 104, 255, 0.12);
}

.bwproducts-choice input:focus-visible + label {
    outline: 3px solid rgba(18, 104, 255, 0.3);
    outline-offset: 2px;
}

.bwproducts-choice input:checked + label {
    border-color: var(--bwproducts-accent);
    background: var(--bwproducts-choice-active, rgba(18, 104, 255, 0.07));
    box-shadow: 0 0 0 3px rgba(18, 104, 255, 0.12);
}

.bwproducts-choice input:checked + label::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 19px;
    height: 19px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--bwproducts-accent);
    color: #fff;
    font-size: 0.66rem;
    font-weight: 900;
    line-height: 1;
}

.bwproducts-choice__swatch {
    width: 30px;
    height: 30px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 9px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.bwproducts-choice__thumb {
    display: block;
    width: 36px;
    height: 36px;
    overflow: hidden;
    border-radius: 9px;
}

.bwproducts-choice__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bwproducts-choice__name {
    font-size: 0.84rem;
    font-weight: 800;
    line-height: 1.25;
}

.bwproducts-choice__price {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--bwproducts-accent);
}

/* Summary ------------------------------------------------------------------ */

.bwproducts-summary {
    padding: 24px 26px;
    background: var(--bwproducts-summary-bg, #041a36);
    color: var(--bwproducts-summary-text, #ffffff);
}

.bwproducts-summary__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.bwproducts-summary__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.7;
}

.bwproducts-summary__tax {
    display: block;
    margin-top: 3px;
    font-size: 0.7rem;
    opacity: 0.6;
}

.bwproducts-summary__price {
    font-size: clamp(1.8rem, 3.4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
}

/* Brief highlight so a price change is noticed. */
.bwproducts-summary__price.is-updated {
    animation: bwproducts-bump 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes bwproducts-bump {
    50% {
        transform: scale(1.06);
        color: var(--bwproducts-accent-2, #62a5ff);
    }
}

.bwproducts-summary__items {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid rgba(130, 163, 212, 0.2);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
}

.bwproducts-summary__items:empty {
    display: none;
}

.bwproducts-summary__item {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 0.78rem;
    opacity: 0.85;
}

.bwproducts-summary__item b {
    font-weight: 700;
    opacity: 1;
}

.bwproducts-summary__cta {
    position: relative;
    width: 100%;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    overflow: hidden;
    border: 0;
    border-radius: 14px;
    background: var(--bwproducts-accent);
    color: #fff;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 14px 34px rgba(18, 104, 255, 0.3);
    transition: transform 250ms, box-shadow 250ms;
}

/* Sheen sweeping across the button on hover. */
.bwproducts-summary__cta::before {
    content: '';
    position: absolute;
    top: -80%;
    left: -60%;
    width: 35%;
    height: 260%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.38), transparent);
    transform: rotate(20deg);
    transition: left 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.bwproducts-summary__cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 42px rgba(18, 104, 255, 0.42);
}

.bwproducts-summary__cta:hover::before {
    left: 130%;
}

.bwproducts-summary__cta:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.6);
    outline-offset: 2px;
}

/* Specifications inside the panel ------------------------------------------ */

/*
 * Styled like an option group so it reads as part of the panel rather than a
 * bare table dropped between the choices and the summary.
 */
.bwproducts-panel .bwproducts-specs {
    width: calc(100% - 52px);
    margin: 22px 26px;
    border: 1px solid var(--bwproducts-border);
    border-radius: 14px;
    background: var(--bwproducts-surface);
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
}

.bwproducts-panel .bwproducts-specs__caption {
    padding: 14px 16px 0;
    margin-bottom: 6px;
}

.bwproducts-panel .bwproducts-specs th,
.bwproducts-panel .bwproducts-specs td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--bwproducts-border);
    font-size: 0.86rem;
}

/* No line under the final row — the container already provides the edge. */
.bwproducts-panel .bwproducts-specs tr:last-child th,
.bwproducts-panel .bwproducts-specs tr:last-child td {
    border-bottom: 0;
}

.bwproducts-panel .bwproducts-specs td {
    text-align: right;
    font-weight: 700;
}

.bwproducts-detail--split .bwproducts-detail__description,
.bwproducts-detail--split .bwproducts-detail__downloads {
    grid-column: 1 / -1;
}

@media (prefers-reduced-motion: reduce) {
    .bwproducts-choice label,
    .bwproducts-summary__cta,
    .bwproducts-preview__image,
    .bwproducts-panel__progress span {
        transition: none;
    }

    .bwproducts-choice label:hover,
    .bwproducts-summary__cta:hover {
        transform: none;
    }

    .bwproducts-summary__price.is-updated {
        animation: none;
    }
}