.multi-select-wrapper { position: relative; display: inline-block; min-width: 220px; }
.multi-select-trigger { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 10px; height: 28px; background: #fff; border: 1px solid #ccc; border-radius: 4px; cursor: pointer; font-size: 13px; user-select: none; white-space: nowrap; }
.multi-select-trigger:hover { border-color: #999; }
.multi-select-trigger .arrow { font-size: 10px; color: #888; transition: transform 0.15s; }
.multi-select-trigger.open .arrow { transform: rotate(180deg); }
.multi-select-dropdown { display: none; position: absolute; top: calc(100% + 4px); left: 0; min-width: 100%; background: #fff; border: 1px solid #ccc; border-radius: 4px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); z-index: 999; overflow: hidden; }
.multi-select-dropdown.open { display: block; }
.multi-select-search { padding: 8px; border-bottom: 1px solid #eee; }
.multi-select-search input { width: 100%; box-sizing: border-box; padding: 4px 8px; font-size: 13px; border: 1px solid #ddd; border-radius: 4px; outline: none; }
.multi-select-options { max-height: 200px; overflow-y: auto; padding: 4px 0; }
.ms-option { display: flex; align-items: center; gap: 8px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.ms-option:hover { background: #f5f5f5; }
.ms-option.hidden { display: none; }
.multi-select-footer { padding: 6px 10px; border-top: 1px solid #eee; display: flex; justify-content: space-between; font-size: 12px; color: #888; }
.ms-clear { cursor: pointer; } .ms-clear:hover { text-decoration: underline; color: #333; }