/* ================================================================
   SeifDesign Linked Swatches — Frontend CSS
   Reuses the same CSS custom property system as SeifDesign Variation
   Swatches (sds-*). All defaults defer to those vars when both
   plugins are active; also works standalone.
   ================================================================ */

/* ── Defaults (no-op if seifdesign-swatches is also loaded) ── */
:root {
    --sds-size:         36px;
    --sds-gap:          0.5em;
    --sds-radius:       4px;
    --sds-border-width: 1px;

    --sds-border:            var(--ast-global-color-7, #adb6be);
    --sds-border-selected:   var(--ast-global-color-0, #046bd2);
    --sds-bg:                var(--ast-global-color-4, #ffffff);
    --sds-bg-selected:       var(--ast-global-color-0, #046bd2);
    --sds-text:              var(--ast-global-color-2, #1e293b);
    --sds-text-selected:     var(--ast-global-color-4, #ffffff);
    --sds-bg-unavailable:    var(--ast-global-color-5, #f0f5fa);
    --sds-text-unavailable:  var(--ast-global-color-7, #adb6be);
    --sds-unavailable-opacity: 0.4;

    --sds-font-size:   inherit;
    --sds-font-family: inherit;
    --sds-font-weight: inherit;

    --sds-image-size:             var(--sds-size);
    --sds-image-radius:           var(--sds-radius);
    --sds-image-border-width:     var(--sds-border-width);
    --sds-image-border:           var(--sds-border);
    --sds-image-border-sel-width: 3px;
    --sds-image-border-selected:  var(--sds-border-selected);

    --sds-svg-size:             var(--sds-size);
    --sds-svg-radius:           var(--sds-radius);
    --sds-svg-padding:          0px;
    --sds-svg-bg:               var(--sds-bg);
    --sds-svg-bg-selected:      var(--sds-bg-selected);
    --sds-svg-border-width:     var(--sds-border-width);
    --sds-svg-border:           var(--sds-border);
    --sds-svg-border-sel-width: 3px;
    --sds-svg-border-selected:  var(--sds-border-selected);
    --sds-svg-fill:             var(--sds-text);
    --sds-svg-fill-selected:    var(--sds-text-selected);

    --sds-label-radius:           var(--sds-radius);
    --sds-label-border-width:     var(--sds-border-width);
    --sds-label-border:           var(--sds-border);
    --sds-label-border-sel-width: var(--sds-border-width);
    --sds-label-border-selected:  var(--sds-border-selected);
    --sds-label-bg:               var(--sds-bg);
    --sds-label-bg-selected:      var(--sds-bg-selected);
    --sds-label-text:             var(--sds-text);
    --sds-label-text-selected:    var(--sds-text-selected);
    --sds-label-font-size:        var(--sds-font-size);
    --sds-label-font-weight:      var(--sds-font-weight);
    --sds-label-padding:          calc(var(--sds-size) / 2);

    --sds-item-color: transparent;
}

/* ── Wrapper ── */
.sdls-wrap {
    margin-bottom: 1em;
}

.sdls-attribute {
    margin-bottom: 0.75em;
}

.sdls-label {
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: 6px;
    color: var(--sds-text, #1e293b);
}

/* ── Swatch list ── */
.sds-swatches__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sds-gap);
}

/* ── Base item ── */
.sds-swatches__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--sds-size);
    height: var(--sds-size);
    border-radius: var(--sds-radius);
    border: var(--sds-border-width) solid var(--sds-border);
    background-color: var(--sds-bg);
    color: var(--sds-text);
    font-size: var(--sds-font-size);
    font-family: var(--sds-font-family);
    font-weight: var(--sds-font-weight);
    cursor: pointer;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    transition: border-color 0.15s ease, background-color 0.15s ease,
                color 0.15s ease, opacity 0.15s ease;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.sds-swatches__item:focus-visible {
    outline: 2px solid var(--sds-border-selected);
    outline-offset: 2px;
}

/* ── sdls-link: fills the entire <li> so the whole item is clickable ── */
.sdls-link {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
}

/* Image type */
.sds-swatches--image .sds-swatches__item {
    width: var(--sds-image-size) !important;
    height: var(--sds-image-size) !important;
    border-radius: var(--sds-image-radius) !important;
    border-width: var(--sds-image-border-width) !important;
    border-color: var(--sds-image-border) !important;
    background-color: transparent !important;
    padding: 0 !important;
}
.sds-swatches--image .sds-swatches__item img {
    width: 100%;
    height: 100%;
    border-radius: calc(var(--sds-image-radius) - max(var(--sds-image-border-width), 1px));
    display: block;
    object-fit: cover;
    pointer-events: none;
}
.sds-swatches--image .sds-swatches__item--selected {
    border-width: var(--sds-image-border-sel-width) !important;
    border-color: var(--sds-image-border-selected) !important;
    background-color: transparent !important;
}

/* SVG type */
.sds-swatches--svg .sds-swatches__item {
    width: var(--sds-svg-size) !important;
    height: var(--sds-svg-size) !important;
    border-radius: var(--sds-svg-radius) !important;
    border-width: var(--sds-svg-border-width) !important;
    border-color: var(--sds-svg-border) !important;
    background-color: var(--sds-svg-bg) !important;
    padding: var(--sds-svg-padding) !important;
    overflow: hidden !important;
    color: var(--sds-svg-fill) !important;
}
.sds-swatches--svg .sds-swatches__item svg {
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}
.sds-swatches--svg .sds-swatches__item svg,
.sds-swatches--svg .sds-swatches__item svg * {
    fill: currentColor;
}
.sds-swatches--svg .sds-swatches__item--selected {
    border-width: var(--sds-svg-border-sel-width) !important;
    border-color: var(--sds-svg-border-selected) !important;
    background-color: var(--sds-svg-bg-selected) !important;
    color: var(--sds-svg-fill-selected) !important;
}
.sds-swatches--svg .sds-swatches__item--unavailable {
    background-color: transparent !important;
}

/* Label / button */
.sds-swatches--label .sds-swatches__item,
.sds-swatches--button .sds-swatches__item {
    width: auto;
    height: auto;
    min-width: var(--sds-size);
    min-height: var(--sds-size);
    padding: 4px var(--sds-label-padding);
    border-radius: var(--sds-label-radius);
    border-width: var(--sds-label-border-width);
    border-color: var(--sds-label-border);
    background-color: var(--sds-label-bg);
    color: var(--sds-label-text);
    font-size: var(--sds-label-font-size);
    font-weight: var(--sds-label-font-weight);
    line-height: 1.2;
    overflow: visible;
}
.sds-swatches--label .sds-swatches__item--selected,
.sds-swatches--button .sds-swatches__item--selected {
    border-width: var(--sds-label-border-sel-width) !important;
    border-color: var(--sds-label-border-selected) !important;
    background-color: var(--sds-label-bg-selected) !important;
    color: var(--sds-label-text-selected) !important;
}

.sds-swatches__label {
    display: block;
    white-space: nowrap;
    pointer-events: none;
}

/* Colour swatch */
.sds-swatches__color {
    display: block;
    width: 100%;
    height: 100%;
    background-color: var(--sds-item-color);
    border-radius: calc(var(--sds-radius) - 1px);
    pointer-events: none;
}

/* ── Selected state ── */
.sds-swatches__item--selected {
    border-color: var(--sds-border-selected) !important;
    background-color: var(--sds-bg-selected) !important;
    color: var(--sds-text-selected) !important;
}

/* Colour: selected shows border ring only */
.sds-swatches--color .sds-swatches__item--selected {
    background-color: transparent !important;
    border-width: 3px !important;
    border-color: var(--sds-border-selected) !important;
}

/* ── Unavailable ── */
.sds-swatches__item--unavailable {
    cursor: not-allowed;
    background-color: var(--sds-bg-unavailable) !important;
    color: var(--sds-text-unavailable) !important;
    border-color: var(--sds-border) !important;
}
.sds-swatches--image .sds-swatches__item--unavailable,
.sds-swatches--svg   .sds-swatches__item--unavailable,
.sds-swatches--color .sds-swatches__item--unavailable {
    background-color: transparent !important;
}

/* blur */
.sds-swatches--unavailable-blur .sds-swatches__item--unavailable {
    opacity: var(--sds-unavailable-opacity);
}
/* hide */
.sds-swatches--unavailable-hide .sds-swatches__item--unavailable {
    display: none !important;
}
/* slash */
.sds-swatches--unavailable-slash .sds-swatches__item--unavailable {
    opacity: var(--sds-unavailable-opacity);
    overflow: visible;
}
.sds-swatches--unavailable-slash .sds-swatches__item--unavailable::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: calc(100% + 8px);
    height: 2px;
    background: var(--sds-text, #1e293b);
    transform: translate(-50%, -50%) rotate(-45deg);
    border-radius: 1px;
    pointer-events: none;
}
/* cross */
.sds-swatches--unavailable-cross .sds-swatches__item--unavailable {
    opacity: var(--sds-unavailable-opacity);
    overflow: visible;
}
.sds-swatches--unavailable-cross .sds-swatches__item--unavailable::before,
.sds-swatches--unavailable-cross .sds-swatches__item--unavailable::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: calc(100% + 8px);
    height: 2px;
    background: var(--sds-text, #1e293b);
    border-radius: 1px;
    pointer-events: none;
}
.sds-swatches--unavailable-cross .sds-swatches__item--unavailable::before {
    transform: translate(-50%, -50%) rotate(-45deg);
}
.sds-swatches--unavailable-cross .sds-swatches__item--unavailable::after {
    transform: translate(-50%, -50%) rotate(45deg);
}

/* ── Tooltip ── */
.sds-swatches__item[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--ast-global-color-2, #1e293b);
    color: var(--ast-global-color-4, #ffffff);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
    padding: 4px 10px;
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 100;
}
.sds-swatches__item[data-tooltip]:hover::after,
.sds-swatches__item[data-tooltip]:focus-visible::after {
    opacity: 1;
    visibility: visible;
}
.sds-swatches__item--unavailable[data-tooltip]::after {
    display: none;
}