lu2/theme/edge/css/common/ui/Select.css

Simple and flexible UI component library based on native HTML and JavaScript

/**
 *
 * @Select.css
 * @author zhangxinxu(.com)
 * @create 15-06-18
 * @edited 19-08-27
 *
**/

:root {
    --ui-select-icon-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath fill='%232a80eb' d='M145.659 68.949a12.874 12.874 0 0 0-18.473 0L99.479 97.233 71.772 68.949a12.874 12.874 0 0 0-18.473 0c-5.099 5.208-5.099 13.648 0 18.857l46.18 47.14 46.181-47.14c5.099-5.208 5.099-13.649-.001-18.857z'/%3E%3C/svg%3E");
    --ui-select-height: 40px;
    --ui-select-line-height: var(--ui-line-height, 20px);
    --ui-select-padding-block: 10px;
}

[is="ui-select"] {
    height: var(--ui-select-height);
    line-height: var(--ui-select-line-height);
    margin: 0;
    border: 1px solid var(--ui-border, #d0d0d5);
    font-size: var(--ui-font, 14px);
    color: var(--ui-dark, #4c5161);
    border-radius: var(--ui-radius, 4px);
    background-color: var(--ui-white, #fff);
    transition: border-color var(--ui-animate-time, .2s), background-color var(--ui-animate-time, .2s);
    font-family: system-ui;
    font-feature-settings: "tnum";
    vertical-align: middle;
    --ui-select-padding-block: calc((var(--ui-select-height) - var(--ui-select-line-height)) / 2);
    cursor: pointer;
}

[is="ui-select"][width="100%"] {
    width: 100%;
}
[is="ui-select"][width] {
    width: attr(width type(*));
}
[is="ui-select"]:is([width$="0"], [width$="1"], [width$="2"], [width$="3"], [width$="4"], [width$="5"], [width$="6"], [width$="7"], [width$="8"], [width$="9"]) {
    width: attr(width px);
}
@supports not (appearance: base-select) {
    [is="ui-select"] {
        appearance: none;
        padding: calc(var(--ui-select-padding-block) - 1px) 27px calc(var(--ui-select-padding-block) - 1px) 12px;
        background-image: var(--ui-select-icon-arrow);
        background-repeat: no-repeat;
        background-position: right 7px center;
        background-size: var(--ui-select-line-height) auto;
    }
    [is="ui-select"]:has( + div.ui-select) {
        opacity: 0;
        pointer-events: none;
    }
}

[is="ui-select"][placeholder] {
    &:has(option[value=""]:checked),
    & + .ui-select .ui-select-button[data-value=""] {
        color: var(--ui-gray, #a2a9b6);
    }
    option[value=""],
    & + .ui-select .ui-select-datalist-li[data-value=""] {
        display: none;
    }
}

[is="ui-select"][multiple] {
    visibility: visible;
    pointer-events: auto;
    height: auto;
    vertical-align: top;
    cursor: pointer;
    padding: 0;
}

[is="ui-select"][multiple] option {
    padding-right: 20px;
}

[is="ui-select"][multiple]::picker-icon {
    display: none;
}

@supports not (appearance: base-select) {
    [is="ui-select"][multiple] {
        font-size: 31px;
        letter-spacing: calc(-1 * (31px - var(--ui-font, 14px)));
        border-right-width: 13px;
        border-left: 13px solid;
    }
    [is="ui-select"][multiple] > option {
        min-height: 38px;
        height: 38px;
        padding: 0 1px;
        font-size: inherit;
    }
}

select[multiple] > option:disabled {
    cursor: default;
}

.ui-select {
    display: inline-block;
    height: var(--ui-select-height);
    line-height: var(--ui-line-height, 20px);
    max-width: 100%;
    vertical-align: middle;
    font-size: var(--ui-font, 14px);
    transition: opacity var(--ui-animate-time, .2s);
    text-align: start;
    font-family: system-ui;
    font-feature-settings: "tnum";
    position: relative;
    --ui-select-padding-block: calc((var(--ui-select-height) - var(--ui-select-line-height)) / 2);
}

@supports (appearance: base-select) {
    [is="ui-select"] {
        appearance: base-select;
        padding: calc(var(--ui-select-padding-block) - 1px) 6px calc(var(--ui-select-padding-block) - 1px) 12px;
        &:disabled {
            opacity: var(--ui-opacity, .4);
        }
        &:where(:enabled:not(:open)):hover {
            border-color: var(--ui-dark-border, #ababaf);
        }
    }
}

[disabled] + .ui-select {
   pointer-events: none;
}

select[hidden],
select[hidden] + .ui-select {
    display: none;
}

[is="ui-select"][multiple] + .ui-select {
    vertical-align: top;
}

.ui-select.active {
    z-index: 3;
}

.ui-select-button {
    display: block;
    width: -webkit-fill-available;
    width: -moz-available;
    width: stretch;
    height: calc(var(--ui-select-line-height));
    padding: calc(var(--ui-select-padding-block) - 1px) 27px calc(var(--ui-select-padding-block) - 1px) 12px;
    color: var(--ui-dark, #4c5161);
    border: 1px solid var(--ui-border, #d0d0d5);
    border-radius: var(--ui-radius, 4px);
    background-color: var(--ui-white, #fff);
    text-decoration: none;
    transition: border-color var(--ui-animate-time, .2s), background-color var(--ui-animate-time, .2s);
    box-sizing: content-box;
    cursor: pointer;
    font-size: 100%;
}

.ui-select-button:hover {
    color: var(--ui-dark, #4c5161);
    border-color: var(--ui-dark-border, #ababaf);
}

:not(:disabled) + .ui-select > .ui-select-button:active {
    background-color: var(--ui-light, #f7f9fa);
}

.active > button.ui-select-button {
    border-color: var(--ui-blue, #2a80eb);
}

.ui-select-text {
    display: block;
    width: 100%;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    text-align: start;
}

.ui-select-icon,
.ui-select-text:only-child::after,
.ui-select-button:empty::after {
    position: absolute;
    width: var(--ui-select-line-height);
    height: var(--ui-select-line-height);
    background: var(--ui-select-icon-arrow) no-repeat center;
    background-size: 100% 100%;
    right: 7px;
    top: var(--ui-select-padding-block);
}
.ui-select-text:only-child::after,
.ui-select-button:empty::after {
    content: "";
}
@supports (appearance: base-select) {
    [is="ui-select"]::picker-icon {
        -webkit-text-fill-color: transparent;
        content: "";
        display: block;
        width: var(--ui-select-line-height);
        height: var(--ui-select-line-height);
        background: var(--ui-select-icon-arrow) no-repeat center;
        background-size: 100% 100%;
    }
    [is="ui-select"]:open {
        border-color: var(--ui-blue, #2a80eb);
    }
}

.ui-select-datalist {
    display: none;
    box-sizing: border-box;
    max-height: 306px;
    padding: 0;
    border: 1px solid var(--ui-blue, #2a80eb);
    border-radius: var(--ui-radius, 4px);
    background-color: var(--ui-white, #fff);
    font-size: var(--ui-font, 14px);
    overflow: auto;
    overscroll-behavior: none;
    -ms-scroll-chaining: none;
    scrollbar-width: thin;
    text-align: left;
    margin: 0;
}
@supports not (position-try-fallbacks: flip-block) {
    .ui-select-datalist {
        position: absolute;
        left: 0;
        right: 0;
        top: calc(var(--ui-select-height) - 1px);
    }
}

[multiple] ~ .ui-select > .ui-select-datalist {
    position: static;
    display: block;
    width: -webkit-fill-available;
    width: -moz-available;
    width: stretch;
    max-height: none;
    height: inherit;
    border-color: #d0d0d5;
    border-radius: var(--ui-radius, 4px);
    box-sizing: border-box;
}

[multiple]:hover ~ .ui-select > .ui-select-datalist {
    border-color: var(--ui-dark-border, #ababaf);
}

[multiple]:focus ~ .ui-select > .ui-select-datalist {
    border-color: var(--ui-blue, #2a80eb);
}

[data-custom-scroll="true"]::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-custom-scroll="true"]::-webkit-scrollbar-thumb {
    background-color: #bbb;
    border-radius: calc(var(--ui-radius, 4px) + 4px);
}

[data-custom-scroll="true"]::-webkit-scrollbar-thumb:hover {
    background-color: #aaa;
}

[data-custom-scroll="true"]::-webkit-scrollbar-track-piece {
    background-color: #ddd;
}

.active > .ui-select-datalist,
.ui-select-datalist.active {
    display: block;
}

.reverse > .ui-select-datalist {
    top: auto;
    bottom: calc(var(--ui-select-height) - 1px);
}

body > .ui-select-datalist {
    font-family: system-ui;
}

@supports (position-try-fallbacks: flip-block) {
    .ui-select-datalist {
        position-area: bottom;
        position-visibility: anchors-visible;
        position-try-fallbacks: flip-block;
        width: anchor-size(width);
    }
}

.ui-select-intent {
    text-indent: 1em;
}

.ui-select-datalist-li,
[is="ui-select"] option {
    display: block;
    line-height: var(--ui-select-line-height);
    padding: calc(var(--ui-select-padding-block) - 1px) 12px;
    color: var(--ui-dark, #4c5161);
    background-color: var(--ui-white, #fff);
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: background-color var(--ui-animate-time, .2s);
    box-sizing: border-box;
    overflow: hidden;
}
h6.ui-select-datalist-li,
.ui-select-datalist-li[role="heading"] {
    font-weight: 700;
    margin: 0;
    padding-bottom: 6px;
}
.ui-select-datalist-li[href] {
    cursor: pointer;
}

.ui-select-datalist-li:not(:only-child):empty {
    display: none;
}

.ui-select-datalist-hr:not(:first-child),
[is="ui-select"] hr:not(:first-child) {
    border: 0;
    height: 1px;
    padding: 7px 12px;
    background-color: var(--ui-white, #fff);
    margin: 0;
}
.ui-select-datalist-hr:not(:first-child)::before,
[is="ui-select"] hr:not(:first-child)::before {
    content: '';
    display: block;
    border-top: 1px solid var(--ui-border, #d0d0d5);
    opacity: var(--ui-opacity, .4);
}

/* reset default a:hover */
.ui-select-datalist-li:hover {
    color: var(--ui-dark, #4c5161);
}

.ui-select-datalist > .disabled {
    color: var(--ui-gray, #a2a9b6);
    cursor: default;
}

.ui-select-datalist > .selected {
    background-color: var(--ui-list-selected, #e0f0ff);
}

.ui-select-datalist-li[href]:hover,
[multiple] ~ .ui-select .ui-select-datalist-li[href] {
    color: var(--ui-dark, #4c5161);
    background-color: var(--ui-list-hover, #f0f7ff);
}

@supports (appearance: base-select) {
    [is="ui-select"]::picker(select) {
        appearance: base-select;
        border: 1px solid var(--ui-blue, #2a80eb);
        border-radius: var(--ui-radius, 4px);
        max-height: 306px;
        overflow: auto;
        overscroll-behavior: none;
        scrollbar-width: thin;
        text-align: left;
        top: calc(anchor(bottom) - 1px);
        position-try-fallbacks: flip-block;
    }
    [is="ui-select"].reverse::picker(select) {
        top: auto;
        bottom: calc(anchor(top) - 1px);
    }
    [is="ui-select"] option:checked {
        background-color: var(--ui-list-selected, #e0f0ff);
    }
    [is="ui-select"]:enabled option:enabled:hover {
        background-color: var(--ui-list-hover, #f0f7ff);
    }
    [is="ui-select"] option:disabled,
    [is="ui-select"]:disabled option {
        color: var(--ui-gray, #a2a9b6);
        background-color: var(--ui-white, #fff);
        cursor: default;
    }
    [is="ui-select"] optgroup {
        padding-top: 6px;
        font-weight: 700;
        color: var(--ui-dark, #4c5161);
        line-height: var(--ui-select-line-height);
    }
    [is="ui-select"] optgroup:not([label]):not(:first-child)::before {
        content: '';
        display: block;
        padding: 6px 12px 0;
        border-top: 1px solid var(--ui-border, #d0d0d5);
        opacity: var(--ui-opacity, .4);
        margin-inline: 12px;
    }
    [is="ui-select"] option::checkmark {
        display: none;
    }
    [is="ui-select"]::picker(select) {
        opacity: 0;
        transition: .2s allow-discrete;
    }
    [is="ui-select"]::picker(select):popover-open {
        opacity: 1;
    }
    @starting-style {
        [is="ui-select"]::picker(select):popover-open {
          opacity: 0;
        }
    }
}

/* disabled */
select:disabled {
    cursor: default;
}

select:disabled + .ui-select {
    opacity: var(--ui-opacity, .4);
}

select:disabled + .ui-select .ui-select-button,
select:disabled + .ui-select .ui-select-datalist {
    cursor: default;
    border-color: var(--ui-dark-border, #ababaf);
}

/* error */
[is-error] .ui-select-button,
[is-error][multiple] ~ .ui-select .ui-select-datalist,
select[is-error] {
    border-color: var(--ui-red, #eb4646);
}

@media (prefers-reduced-motion: reduce) {
    .ui-select-button,
    .ui-select,
    .ui-select-datalist-li {
        transition: none;
    }
}