/* Dropdown dùng chung (assets/js/bambu-select.js): cùng kiểu với bộ lọc của site, thay danh sách gốc của hệ điều hành. */
.bambu-select {
    position: relative;
}

.bambu-select .bambu-select-native {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%; /* Bong bóng "Please select an item" của trình duyệt hiện ngay dưới ô. */
    height: 1px;
    min-height: 0;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.bambu-select-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    min-height: 46px;
    padding: 11px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #fff;
    color: #0f172a;
    font: inherit;
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.bambu-select-button:hover {
    border-color: #3ba295;
}

.bambu-select-button:focus-visible,
.bambu-select.is-open .bambu-select-button {
    border-color: #3ba295;
    outline: none;
    box-shadow: 0 0 0 4px rgba(59, 162, 149, 0.15);
}

.bambu-select-button.is-placeholder .bambu-select-value {
    color: #64748b;
}

.account-field.has-error .bambu-select-button,
.bambu-select.is-invalid .bambu-select-button {
    border-color: #dc2626;
}

.bambu-select-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bambu-select-caret {
    flex: none;
    transition: transform 160ms ease;
}

.bambu-select.is-open .bambu-select-caret {
    transform: rotate(180deg);
}

.bambu-select-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 60;
    box-sizing: border-box;
    min-width: 100%;
    max-width: min(420px, calc(100vw - 32px));
    padding: 6px;
    border: 1px solid #dce5ee;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.bambu-select-panel[hidden] {
    display: none;
}

.bambu-select-list {
    max-height: 280px;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    list-style: none;
}

.bambu-select-list li[hidden] {
    display: none;
}

.bambu-select-search {
    box-sizing: border-box;
    width: 100%;
    min-height: 40px;
    margin: 0 0 6px;
    padding: 8px 12px;
    border: 1px solid #dce5ee;
    border-radius: 8px;
    background: #f8fafc;
    color: #0f172a;
    font: inherit;
    font-size: 14px;
}

.bambu-select-search:focus {
    border-color: #3ba295;
    outline: none;
    background: #fff;
}

.bambu-select-empty {
    margin: 0;
    padding: 9px 12px;
    color: #64748b;
    font-size: 14px;
}

.bambu-select.is-up .bambu-select-panel {
    top: auto;
    bottom: calc(100% + 6px);
}

.bambu-select-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 8px;
    color: #334155;
    font-size: 14px;
    line-height: 1.4;
    white-space: nowrap;
    cursor: pointer;
}

.bambu-select-list li.is-placeholder {
    color: #64748b;
}

.bambu-select-list li.is-active {
    background: #f0fdfa;
}

.bambu-select-list li[aria-selected="true"] {
    color: #0f766e;
    font-weight: 600;
}

.bambu-select-list li[aria-selected="true"]::after {
    content: "✓";
    color: #3ba295;
}

.bambu-select-list li[aria-disabled="true"] {
    opacity: 0.5;
    cursor: default;
}