/* =========================================================================
   🌟 全局原生 <select> 美化组件样式
   ========================================================================= */

/* 1. 隐藏原生 select（保持在 DOM 中以保留表单事件与值传递） */
.custom-select-original {
    position: absolute !important;
    opacity: 0 !important;
    pointer-events: none !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 2. 自定义外层容器 */
.custom-select-ui {
    position: relative;
    display: inline-block;
    user-select: none;
    font-size: 13px;
    vertical-align: middle;
    box-sizing: border-box;
}

/* 3. 触发器按钮外观 */
.custom-select-ui-trigger {
    background: var(--cl-card, #1e2126);
    border: 1px solid var(--cl-border, #333a44);
    color: #e5e7eb;
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-width: 90px;
    font-size: inherit;
    font-family: inherit;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.custom-select-ui-trigger:hover {
    border-color: rgba(0, 123, 255, 0.6);
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
}

.custom-select-ui.open .custom-select-ui-trigger {
    border-color: var(--cl-primary, #007bff);
    box-shadow: 0 0 10px var(--cl-primary-glow, rgba(0, 123, 255, 0.25));
    background: rgba(0, 123, 255, 0.08);
}

.custom-select-ui-arrow {
    font-size: 10px;
    color: var(--cl-text-dim, #8b949e);
    transition: transform 0.2s ease;
}

.custom-select-ui.open .custom-select-ui-arrow {
    transform: rotate(180deg);
    color: var(--cl-primary, #007bff);
}

/* 4. 下拉浮层菜单 */
.custom-select-ui-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 100%;
    max-height: 240px;
    overflow-y: auto;
    background: var(--cl-card, #1e2126);
    border: 1px solid var(--cl-border, #333a44);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    box-sizing: border-box;
}

.custom-select-ui.open .custom-select-ui-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 5. 菜单项 */
.custom-select-ui-item {
    padding: 7px 12px;
    color: #9ca3af;
    cursor: pointer;
    font-size: 12.5px;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.custom-select-ui-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.custom-select-ui-item.selected {
    background: var(--cl-primary-glow, rgba(0, 123, 255, 0.25));
    color: var(--cl-primary, #007bff);
    font-weight: bold;
}

/* 自定义细窄滚动条 */
.custom-select-ui-menu::-webkit-scrollbar {
    width: 4px;
}
.custom-select-ui-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}