init

node_modules/ng-zorro-antd/select/style/entry.less

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+@import './index.less';
+// style dependencies
+@import '../../empty/style/entry.less';
+@import './patch.less';

node_modules/ng-zorro-antd/select/style/index.less

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+@import '../../style/themes/index';
+@import '../../style/mixins/index';
+@import '../../input/style/mixin';
+@import './single';
+@import './multiple';
+@import './status';
+
+@select-prefix-cls: ~'@{ant-prefix}-select';
+
+.select-selector() {
+  position: relative;
+  background-color: @select-background;
+  border: @border-width-base @border-style-base @select-border-color;
+  border-radius: @control-border-radius;
+  transition: all 0.3s @ease-in-out;
+
+  input {
+    cursor: pointer;
+  }
+
+  .@{select-prefix-cls}-prefix {
+    flex: none;
+    margin-inline-end: @select-select-affix-padding;
+  }
+
+  .@{select-prefix-cls}-selection-wrap {
+    position: relative;
+    display: flex;
+    width: 100%;
+    min-width: 0;
+
+    &::after {
+      width: 0;
+      overflow: hidden;
+      content: '\a0';
+    }
+  }
+
+  .@{select-prefix-cls}-show-search& {
+    cursor: text;
+
+    input {
+      cursor: auto;
+    }
+  }
+
+  .@{select-prefix-cls}-disabled& {
+    color: @disabled-color;
+    background: @input-disabled-bg;
+    cursor: not-allowed;
+
+    .@{select-prefix-cls}-multiple& {
+      background: @select-multiple-disabled-background;
+    }
+
+    input {
+      cursor: not-allowed;
+    }
+  }
+}
+
+/* Reset search input style */
+.select-search-input-without-border() {
+  .@{select-prefix-cls}-selection-search-input {
+    margin: 0;
+    padding: 0;
+    font-family: inherit;
+    background: transparent;
+    border: none;
+    outline: none;
+    appearance: none;
+
+    &::-webkit-search-cancel-button {
+      display: none;
+      appearance: none;
+    }
+  }
+}
+
+.@{select-prefix-cls} {
+  .reset-component();
+  position: relative;
+  display: inline-flex;
+  cursor: pointer;
+
+  &:not(&-customize-input) &-selector {
+    .select-selector();
+    .select-search-input-without-border();
+  }
+
+  &:not(&-disabled):hover &-selector {
+    .hover();
+  }
+
+  &:not(&-disabled)&-focused &-selector {
+    .active();
+  }
+
+  // ======================== Selection ========================
+  &-selection-item {
+    flex: 1;
+    overflow: hidden;
+    font-weight: normal;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+    user-select: none;
+
+    // IE11 css hack. `*::-ms-backdrop,` is a must have
+    @media all and (-ms-high-contrast: none) {
+      *::-ms-backdrop,
+      & {
+        flex: auto;
+      }
+    }
+  }
+
+  // ======================= Placeholder =======================
+  &-selection-placeholder {
+    flex: 1;
+    overflow: hidden;
+    color: @input-placeholder-color;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+    pointer-events: none;
+
+    // IE11 css hack. `*::-ms-backdrop,` is a must have
+    @media all and (-ms-high-contrast: none) {
+      *::-ms-backdrop,
+      & {
+        flex: auto;
+      }
+    }
+  }
+
+  // ========================== Arrow ==========================
+  &-arrow {
+    .iconfont-mixin();
+    position: absolute;
+    top: 50%;
+    inset-inline-start: auto;
+    inset-inline-end: @input-padding-horizontal-base;
+    display: flex;
+    align-items: center;
+    height: @font-size-icon;
+    margin-top: (-@font-size-icon / 2);
+    color: @disabled-color;
+    font-size: @font-size-icon;
+    line-height: 1;
+    text-align: center;
+    pointer-events: none;
+
+    .@{iconfont-css-prefix} {
+      vertical-align: top;
+      transition: transform 0.3s;
+
+      > svg {
+        vertical-align: top;
+      }
+
+      &:not(.@{select-prefix-cls}-suffix) {
+        pointer-events: auto;
+      }
+    }
+
+    .@{select-prefix-cls}-disabled & {
+      cursor: not-allowed;
+    }
+
+    > *:not(:last-child) {
+      margin-inline-end: @padding-xs;
+    }
+  }
+
+  // ========================== Clear ==========================
+  &-clear {
+    position: absolute;
+    top: 50%;
+    z-index: 1;
+    display: inline-block;
+    width: @font-size-icon;
+    height: @font-size-icon;
+    margin-top: (-@font-size-icon / 2);
+    color: @disabled-color;
+    font-size: @font-size-icon;
+    font-style: normal;
+    line-height: 1;
+    text-align: center;
+    text-transform: none;
+    background: @select-clear-background;
+    // https://github.com/ant-design/ant-design/issues/54205
+    // Force GPU compositing on Safari to prevent flickering on opacity/transform transitions
+    transform: translateZ(0);
+    cursor: pointer;
+    opacity: 0;
+    transition:
+      color 0.3s ease,
+      opacity 0.15s ease;
+    inset-inline-start: auto;
+    inset-inline-end: @input-padding-horizontal-base;
+    text-rendering: auto;
+
+    &::before {
+      display: block;
+    }
+
+    &:hover {
+      color: @text-color-secondary;
+    }
+
+    .@{select-prefix-cls}:hover & {
+      opacity: 1;
+    }
+  }
+
+  // ========================== Popup ==========================
+  &-dropdown {
+    .reset-component();
+    position: absolute;
+    top: -9999px;
+    z-index: @zindex-dropdown;
+    box-sizing: border-box;
+    padding: @padding-xss;
+    overflow: hidden;
+    font-size: @font-size-base;
+    // Fix select render lag of long text in chrome
+    // https://github.com/ant-design/ant-design/issues/11456
+    // https://github.com/ant-design/ant-design/issues/11843
+    font-variant: initial;
+    background-color: @select-dropdown-bg;
+    border-radius: @border-radius-base;
+    outline: none;
+    box-shadow: @box-shadow-base;
+
+    &.@{ant-prefix}-slide-up-enter.@{ant-prefix}-slide-up-enter-active&-placement-bottomLeft,
+    &.@{ant-prefix}-slide-up-appear.@{ant-prefix}-slide-up-appear-active&-placement-bottomLeft {
+      animation-name: antSlideUpIn;
+    }
+
+    &.@{ant-prefix}-slide-up-enter.@{ant-prefix}-slide-up-enter-active&-placement-topLeft,
+    &.@{ant-prefix}-slide-up-appear.@{ant-prefix}-slide-up-appear-active&-placement-topLeft {
+      animation-name: antSlideDownIn;
+    }
+
+    &.@{ant-prefix}-slide-up-leave.@{ant-prefix}-slide-up-leave-active&-placement-bottomLeft {
+      animation-name: antSlideUpOut;
+    }
+
+    &.@{ant-prefix}-slide-up-leave.@{ant-prefix}-slide-up-leave-active&-placement-topLeft {
+      animation-name: antSlideDownOut;
+    }
+
+    &-hidden {
+      display: none;
+    }
+
+    &-empty {
+      color: @disabled-color;
+    }
+  }
+
+  // ========================= Options =========================
+  .item() {
+    position: relative;
+    display: block;
+    min-height: @select-dropdown-height;
+    padding: @select-dropdown-vertical-padding @control-padding-horizontal;
+    color: @text-color;
+    font-weight: normal;
+    font-size: @select-dropdown-font-size;
+    line-height: @select-dropdown-line-height;
+  }
+
+  &-item-empty {
+    .item();
+    color: @disabled-color;
+  }
+
+  &-item {
+    .item();
+
+    cursor: pointer;
+    transition: background 0.3s ease;
+
+    // =========== Group ============
+    &-group {
+      color: @text-color-secondary;
+      font-size: @font-size-sm;
+      cursor: default;
+    }
+
+    // =========== Option ===========
+    &-option {
+      display: flex;
+
+      &-content {
+        flex: auto;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+      }
+
+      &-state {
+        flex: none;
+        user-select: none;
+      }
+
+      &-active:not(&-disabled) {
+        background-color: @select-item-active-bg;
+      }
+
+      &-selected:not(&-disabled) {
+        color: @select-item-selected-color;
+        font-weight: @select-item-selected-font-weight;
+        background-color: @select-item-selected-bg;
+
+        .@{select-prefix-cls}-item-option-state {
+          color: @primary-color;
+        }
+      }
+
+      &-disabled {
+        &.@{select-prefix-cls}-item-option-selected {
+          background-color: @select-multiple-disabled-background;
+        }
+
+        color: @disabled-color;
+        cursor: not-allowed;
+      }
+
+      &-grouped {
+        padding-inline-start: @control-padding-horizontal * 2;
+      }
+    }
+  }
+
+  // ============================================================
+  // ==                          Size                          ==
+  // ============================================================
+  &-lg {
+    font-size: @font-size-lg;
+  }
+
+  // no border style
+  &&-borderless,
+  &&-borderless:hover,
+  &&-borderless:focus,
+  &&-borderless&-focused,
+  &&-borderless&-disabled,
+  &&-borderless&[disabled] {
+    .@{select-prefix-cls}-selector {
+      background-color: transparent;
+      border-color: transparent;
+      box-shadow: none;
+    }
+  }
+
+  // filled style
+  &&-filled &-selector {
+    background-color: @input-variant-filled-bg;
+    border-color: transparent;
+    box-shadow: none;
+  }
+
+  &&-filled:hover &-selector {
+    background-color: @input-variant-filled-hover-bg;
+    border-color: transparent;
+    box-shadow: none;
+  }
+
+  &&-filled:focus,
+  &&-filled&-focused {
+    .@{select-prefix-cls}-selector {
+      .active();
+      background-color: transparent;
+      box-shadow: none;
+    }
+  }
+
+  &&-filled&-disabled,
+  &&-filled&[disabled] {
+    .@{select-prefix-cls}-selector {
+      .disabled();
+    }
+  }
+
+  // underlined style
+  &&-underlined,
+  &&-underlined:hover,
+  &&-underlined:focus,
+  &&-underlined&-focused,
+  &&-underlined&-disabled,
+  &&-underlined&[disabled] {
+    .@{select-prefix-cls}-selector {
+      background-color: transparent;
+      border-width: 0 0 @border-width-base;
+      border-radius: 0;
+      box-shadow: none;
+    }
+  }
+
+  &&-underlined:hover:not(&-focused):not(:focus) &-selector {
+    border-color: @input-border-color;
+  }
+
+
+  &&-in-form-item {
+    width: 100%;
+  }
+
+  // ===================== Compact Item Styles =====================
+  .compact-item(@select-prefix-cls, ~'@{select-prefix-cls}-selector', ~'@{select-prefix-cls}-focused');
+}
+
+@import './rtl';

node_modules/ng-zorro-antd/select/style/multiple.less

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+@import (reference) '../../style/themes/index';
+
+@select-prefix-cls: ~'@{ant-prefix}-select';
+
+@select-overflow-prefix-cls: ~'@{select-prefix-cls}-selection-overflow';
+
+// Multiple select specific variables
+@select-internal-fixed-item-margin: calc(@padding-xss / 2);
+@select-multiple-base-padding: max(calc(@padding-xss - @line-width), 0px);
+@select-multiple-container-padding: max(calc(@select-multiple-base-padding - @select-internal-fixed-item-margin), 0px);
+@select-item-dist: calc(calc(@select-height - @select-multiple-item-height) / 2 - @line-width);
+@select-multiple-selector-bg-disabled: @input-disabled-bg;
+
+/**
+ * Get multiple selector needed style. The calculation:
+ *
+ * ContainerPadding = BasePadding - ItemMargin
+ *
+ * Border:                    ╔═══════════════════════════╗                 ┬
+ * ContainerPadding:          ║                           ║                 │
+ *                            ╟───────────────────────────╢     ┬           │
+ * Item Margin:               ║                           ║     │           │
+ *                            ║             ┌──────────┐  ║     │           │
+ * Item(multipleItemHeight):  ║ BasePadding │   Item   │  ║  Overflow  Container(ControlHeight)
+ *                            ║             └──────────┘  ║     │           │
+ * Item Margin:               ║                           ║     │           │
+ *                            ╟───────────────────────────╢     ┴           │
+ * ContainerPadding:          ║                           ║                 │
+ * Border:                    ╚═══════════════════════════╝                 ┴
+ */
+
+// Multiple selector utilities based on CSS-in-JS getMultipleSelectorUnit function
+.getMultipleSelectorUnit(@item-height, @base-padding, @container-padding) {
+  @result-item-height: @item-height;
+  @result-item-line-height: calc(@item-height - @line-width * 2);
+  @result-base-padding: @base-padding;
+  @result-container-padding: @container-padding;
+}
+
+// Utility to calculate select item distance
+.getSelectItemStyle(@select-height, @multiple-item-height) {
+  @select-item-dist: calc(calc(@select-height - @multiple-item-height) / 2 - @line-width);
+}
+
+// Overflow styles
+.genOverflowStyle() {
+  // Overflow container
+  .@{select-overflow-prefix-cls} {
+    position: relative;
+    display: flex;
+    flex: auto;
+    flex-wrap: wrap;
+    max-width: 100%;
+
+    &-item {
+      display: inline-flex;
+      flex: none;
+      align-self: center;
+      // https://github.com/ant-design/ant-design/issues/54179
+      max-width: calc(100% - 4px);
+    }
+  }
+
+  // Selection items
+  .@{select-prefix-cls}-selection-item {
+    display: flex;
+    flex: none;
+    align-self: center;
+    box-sizing: border-box;
+    max-width: 100%;
+    background: @select-selection-item-bg;
+    border: @line-width @border-style-base @select-selection-item-border-color;
+    border-radius: @border-radius-sm;
+    cursor: default;
+    transition:
+      font-size @animation-duration-slow,
+      line-height @animation-duration-slow,
+      height @animation-duration-slow;
+    margin-block: @select-internal-fixed-item-margin;
+    margin-inline-end: calc(@select-internal-fixed-item-margin * 2);
+    padding-inline-start: @padding-xs;
+    padding-inline-end: calc(@padding-xs / 2);
+
+    .@{select-prefix-cls}-disabled& {
+      color: @select-multiple-item-disabled-color;
+      border-color: @select-multiple-item-disabled-border-color;
+      cursor: not-allowed;
+    }
+
+    // Content
+    &-content {
+      display: inline-block;
+      overflow: hidden;
+      white-space: pre; // fix whitespace wrapping. custom tags display all whitespace within.
+      text-overflow: ellipsis;
+      margin-inline-end: calc(@padding-xs / 2);
+    }
+
+    &-remove {
+      .iconfont-mixin();
+      display: inline-flex;
+      align-items: center;
+      color: @text-color-secondary;
+      font-weight: bold;
+      font-size: 10px;
+      line-height: inherit;
+      cursor: pointer;
+
+      > .@{iconfont-css-prefix} {
+        vertical-align: -0.2em;
+      }
+
+      &:hover {
+        color: @icon-color-hover;
+      }
+    }
+  }
+}
+
+// Selection styles
+.genSelectionStyle(@select-height, @multiple-item-height, @base-padding, @container-padding, @border-radius) {
+  .getSelectItemStyle(@select-height, @multiple-item-height);
+  .getMultipleSelectorUnit(@multiple-item-height, @base-padding, @container-padding);
+
+  // Selector container
+  .@{select-prefix-cls}-selector {
+    display: flex;
+    align-items: center;
+    width: 100%;
+    height: 100%;
+    // Multiple is little different that horizontal is follow the vertical
+    padding-inline: @base-padding;
+    padding-block: @container-padding;
+    border-radius: @border-radius;
+
+    .@{select-prefix-cls}-disabled& {
+      background: @select-multiple-selector-bg-disabled;
+      cursor: not-allowed;
+    }
+
+    &::after {
+      display: inline-block;
+      width: 0;
+      margin: @select-internal-fixed-item-margin 0;
+      line-height: @multiple-item-height;
+      visibility: hidden;
+      content: '\a0';
+    }
+  }
+
+  // Selection items with calculated height
+  .@{select-prefix-cls}-selection-item {
+    height: @multiple-item-height;
+    line-height: calc(@multiple-item-height - @line-width * 2);
+  }
+
+  // Selection wrap
+  .@{select-prefix-cls}-selection-wrap {
+    align-self: flex-start;
+
+    &::after {
+      line-height: @multiple-item-height;
+      margin-block: @select-internal-fixed-item-margin;
+    }
+  }
+
+  // Prefix adjustments
+  .@{select-prefix-cls}-prefix {
+    margin-inline-start: calc(@input-padding-horizontal-base - @base-padding);
+  }
+
+  // Overflow item spacing
+  .@{select-overflow-prefix-cls}-item + .@{select-overflow-prefix-cls}-item,
+  .@{select-prefix-cls}-prefix + .@{select-prefix-cls}-selection-wrap {
+    .@{select-prefix-cls}-selection-search {
+      margin-inline-start: 0;
+    }
+    .@{select-prefix-cls}-selection-placeholder {
+      inset-inline-start: 0;
+    }
+  }
+
+  // https://github.com/ant-design/ant-design/issues/44754
+  // Same as `wrap:after`
+  .@{select-overflow-prefix-cls}-item-suffix {
+    min-height: @multiple-item-height;
+    margin-block: @select-internal-fixed-item-margin;
+  }
+
+  // Search input
+  .@{select-prefix-cls}-selection-search {
+    position: relative;
+    display: inline-flex;
+    max-width: 100%;
+    margin-inline-start: calc(@input-padding-horizontal-base - @select-item-dist);
+
+    &-input,
+    &-mirror {
+      height: @multiple-item-height;
+      font-family: @font-family;
+      line-height: @multiple-item-height;
+      transition: all @animation-duration-slow;
+    }
+
+    &-input {
+      width: 100%;
+      min-width: 4.1px; // fix search cursor missing
+    }
+
+    &-mirror {
+      position: absolute;
+      top: 0;
+      z-index: 999;
+      white-space: pre; // fix whitespace wrapping caused width calculation bug
+      visibility: hidden;
+      inset-inline-start: 0;
+      inset-inline-end: auto;
+    }
+  }
+
+  // Placeholder
+  .@{select-prefix-cls}-selection-placeholder {
+    position: absolute;
+    top: 50%;
+    inset-inline-start: calc(@input-padding-horizontal-base - @base-padding);
+    inset-inline-end: @input-padding-horizontal-base;
+    transform: translateY(-50%);
+    transition: all @animation-duration-slow;
+  }
+}
+
+// ============================================================
+// ==                          Size                          ==
+// ============================================================
+.genSizeStyle(@suffix, @multiple-item-height, @border-radius, @border-radius-sm, @select-height, @font-size: @font-size-base) {
+  @merged-cls: ~'@{select-prefix-cls}@{suffix}';
+
+  // Calculate padding values
+  @base-padding: max(calc(@padding-xss - @line-width), 0px);
+  @container-padding: max(calc(@base-padding - @select-internal-fixed-item-margin), 0px);
+
+  .@{select-prefix-cls}-multiple.@{merged-cls} {
+    font-size: @font-size;
+
+    // Include overflow styles
+    .genOverflowStyle();
+
+    // Include selection styles with calculated values
+    .genSelectionStyle(@select-height, @multiple-item-height, @base-padding, @container-padding, @border-radius);
+
+    // Selector specific styles
+    .@{select-prefix-cls}-selector {
+      .@{select-prefix-cls}-show-search& {
+        cursor: text;
+      }
+    }
+
+    // Show arrow and allow clear states
+    &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selector,
+    &.@{select-prefix-cls}-allow-clear .@{select-prefix-cls}-selector {
+      padding-inline-end: calc(@font-size-icon + @control-padding-horizontal);
+    }
+  }
+}
+
+// Main multiple style generation - equivalent to genMultipleStyle function
+.genMultipleStyle() {
+  // ======================== Default ========================
+  .genSizeStyle('', @select-multiple-item-height, @border-radius-base, @border-radius-sm, @select-height);
+
+  // ======================== Large ========================
+  // stylelint-disable-next-line less/no-duplicate-variables
+  .genSizeStyle('-sm', @select-multiple-item-height-sm, @border-radius-sm, @border-radius-sm, @input-height-sm);
+
+  // Size small need additional set padding
+  .@{select-prefix-cls}-multiple.@{select-prefix-cls}-sm {
+    .@{select-prefix-cls}-selection-placeholder {
+      inset-inline: calc(@control-padding-horizontal-sm - @line-width);
+    }
+
+    // https://github.com/ant-design/ant-design/issues/29559
+    .@{select-prefix-cls}-selection-search {
+      margin-inline-start: 2px; // magic number
+    }
+  }
+
+  // ======================== Large ========================
+  // stylelint-disable-next-line less/no-duplicate-variables
+  .genSizeStyle('-lg', @select-multiple-item-height-lg, @border-radius-lg, @border-radius-base, @input-height-lg, @font-size-lg);
+}
+
+.genMultipleStyle();

node_modules/ng-zorro-antd/select/style/patch.less

@@ -0,0 +1,27 @@
+.ant-select-dropdown {
+  position: relative;
+  top: 100%;
+  left: 0;
+  display: block;
+  width: 100%;
+  margin-top: 4px;
+  margin-bottom: 4px;
+
+  .cdk-virtual-scroll-content-wrapper {
+    right: 0;
+  }
+
+  .full-width {
+    contain: initial;
+
+    .cdk-virtual-scroll-content-wrapper {
+      position: static;
+    }
+
+    .cdk-virtual-scroll-spacer {
+      position: absolute;
+      top: 0;
+      width: 1px;
+    }
+  }
+}

node_modules/ng-zorro-antd/select/style/rtl.less

@@ -0,0 +1,13 @@
+@select-prefix-cls: ~'@{ant-prefix}-select';
+
+.@{select-prefix-cls} {
+  &-rtl {
+    direction: rtl;
+  }
+
+  &-dropdown {
+    &-rtl {
+      direction: rtl;
+    }
+  }
+}

node_modules/ng-zorro-antd/select/style/single.less

@@ -0,0 +1,154 @@
+@import (reference) '../../style/themes/index';
+
+@select-prefix-cls: ~'@{ant-prefix}-select';
+
+.genSizeStyle(@suffix, @control-height, @font-size, @border-radius) {
+  @merged-cls: ~'@{select-prefix-cls}@{suffix}';
+  @select-height-without-border: @control-height - 2 * @line-width;
+  @show-arrow-padding-inline-end: ceil(@font-size * 1.25);
+
+  &.@{merged-cls} {
+    height: @control-height;
+    font-size: @font-size;
+
+    // ========================= Selector =========================
+    .@{select-prefix-cls}-selector {
+      display: flex;
+      flex: 1 1 auto;
+      border-radius: @border-radius;
+
+      .@{select-prefix-cls}-selection-wrap::after {
+        line-height: @select-height-without-border;
+      }
+
+      .@{select-prefix-cls}-selection-search {
+        position: absolute;
+        width: 100%;
+        inset: 0;
+
+        &-input {
+          width: 100%;
+          appearance: textfield;
+        }
+      }
+
+      .@{select-prefix-cls}-selection-item,
+      .@{select-prefix-cls}-selection-placeholder {
+        display: block;
+        align-self: center;
+        padding: 0;
+        line-height: @select-height-without-border;
+        transition:
+          all 0.3s,
+          visibility 0s;
+      }
+
+      .@{select-prefix-cls}-selection-placeholder {
+        transition: none;
+        pointer-events: none;
+      }
+
+      // For common baseline align
+      &::after,
+      /* For '' value baseline align */
+    .@{select-prefix-cls}-selection-item::after,
+      /* For undefined value baseline align */
+    .@{select-prefix-cls}-selection-placeholder::after {
+        display: inline-block;
+        width: 0;
+        visibility: hidden;
+        content: '\a0';
+      }
+    }
+
+    // With arrow should provides `padding-inline-end` to show the arrow
+    &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-item,
+    &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-search,
+    &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-placeholder {
+      padding-inline-end: @show-arrow-padding-inline-end;
+    }
+
+    // Opacity selection if open
+    &.@{select-prefix-cls}-open .@{select-prefix-cls}-selection-item {
+      color: @input-placeholder-color;
+    }
+
+    // ========================== Input ==========================
+    // We only change the style of non-customize input which is only support by `combobox` mode.
+    // Not customize
+    &:not(.@{select-prefix-cls}-customize-input) {
+      .@{select-prefix-cls}-selector {
+        align-items: center;
+        width: 100%;
+        height: 100%;
+        padding: 0 @input-padding-horizontal-base;
+
+        .@{select-prefix-cls}-selection-search-input {
+          height: @select-height-without-border;
+          font-size: @font-size-base;
+        }
+
+        &::after {
+          line-height: @select-height-without-border;
+        }
+      }
+    }
+
+    &.@{select-prefix-cls}-customize-input {
+      .@{select-prefix-cls}-selector {
+        &::after {
+          display: none;
+        }
+
+        .@{select-prefix-cls}-selection-search {
+          position: static;
+          width: 100%;
+        }
+
+        .@{select-prefix-cls}-selection-placeholder {
+          position: absolute;
+          padding: 0 @input-padding-horizontal-base;
+          inset-inline-start: 0;
+          inset-inline-end: 0;
+
+          &::after {
+            display: none;
+          }
+        }
+      }
+    }
+  }
+}
+
+.@{select-prefix-cls}-single {
+  .genSizeStyle('', @input-height-base, @font-size-base, @border-radius-base);
+
+  // ======================== Small ========================
+  // Shared
+  // stylelint-disable-next-line less/no-duplicate-variables
+  .genSizeStyle('-sm', @input-height-sm, @font-size-sm, @border-radius-sm);
+
+  // Padding
+  &.@{select-prefix-cls}-sm {
+    &:not(.@{select-prefix-cls}-customize-input) {
+      .@{select-prefix-cls}-selector {
+        padding: 0 @input-padding-horizontal-sm;
+      }
+
+      // With arrow should provides `padding-inline-end` to show the arrow
+      &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-search {
+        padding-inline-end: @input-padding-horizontal-sm + @font-size-base * 1.5;
+      }
+
+      &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-item,
+      &.@{select-prefix-cls}-show-arrow .@{select-prefix-cls}-selection-placeholder {
+        padding-inline-end: @font-size-base * 1.5;
+      }
+    }
+  }
+
+  // ======================== Large ========================
+  // Shared
+  // stylelint-disable-next-line less/no-duplicate-variables
+  .genSizeStyle('-lg', @select-single-item-height-lg, @font-size-lg, @border-radius-lg);
+}

node_modules/ng-zorro-antd/select/style/status.less

@@ -0,0 +1,49 @@
+@import '../../input/style/mixin';
+
+@select-prefix-cls: ~'@{ant-prefix}-select';
+@pagination-prefix-cls: ~'@{ant-prefix}-pagination';
+
+.select-status-color(
+  @text-color;
+  @border-color;
+  @background-color;
+  @hoverBorderColor;
+  @outlineColor;
+) {
+  &.@{select-prefix-cls}:not(.@{select-prefix-cls}-disabled):not(.@{select-prefix-cls}-customize-input):not(.@{pagination-prefix-cls}-size-changer) {
+    .@{select-prefix-cls}-selector {
+      background-color: @background-color;
+      border-color: @border-color !important;
+    }
+    &.@{select-prefix-cls}-open .@{select-prefix-cls}-selector,
+    &.@{select-prefix-cls}-focused .@{select-prefix-cls}-selector {
+      .active(@border-color, @hoverBorderColor, @outlineColor);
+    }
+  }
+}
+
+.@{select-prefix-cls} {
+  &-status-error {
+    .select-status-color(@error-color, @error-color, @select-background, @error-color-hover, @error-color-outline);
+  }
+
+  &-status-warning {
+    .select-status-color(@warning-color, @warning-color, @input-bg, @warning-color-hover, @warning-color-outline);
+  }
+
+  &-status-error,
+  &-status-warning,
+  &-status-success,
+  &-status-validating {
+    &.@{select-prefix-cls}-has-feedback {
+      //.@{prefix-cls}-arrow,
+      .@{select-prefix-cls}-clear {
+        inset-inline-end: 32px;
+      }
+
+      .@{select-prefix-cls}-selection-selected-value {
+        padding-inline-end: 42px;
+      }
+    }
+  }
+}