.collection-selector{position:relative;width:100%;margin-bottom:1rem}.collection-selector-trigger{display:flex;align-items:center;padding:15px 20px;background-color:var(--bg-light,#efefef);border-radius:var(--border-radius-lg,24px);cursor:pointer;transition:background-color .2s}.collection-selector-trigger:hover{background-color:#e2e2e2}.collection-selector-trigger span{flex-grow:1;color:var(--text-color-main,#211922);font-size:15px}.collection-selector-dropdown{position:absolute;top:calc(100% + 4px);left:0;width:100%;background-color:white;border-radius:8px;box-shadow:0 0 0 1px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.15);z-index:10;max-height:300px;overflow-y:auto;animation:dropdownFadeIn .2s ease-in-out}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.collection-selector-section-header{padding:10px 15px;font-size:13px;font-weight:600;color:var(--text-color-secondary,#5f5f5f);background-color:#f8f8f8;border-bottom:1px solid #eee}.collection-selector-item{display:flex;align-items:center;padding:10px 15px;cursor:pointer;transition:background-color .2s}.collection-selector-item:hover{background-color:#f5f5f5}.collection-selector-item.selected{background-color:#f0f0f0}.collection-selector-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-right:12px;font-weight:600;flex-shrink:0}.collection-selector-content{flex-grow:1;display:flex;flex-direction:column}.collection-selector-name{font-weight:500;color:var(--text-color-main,#211922);font-size:14px}.collection-selector-count{font-size:12px;color:var(--text-color-secondary,#5f5f5f)}.collection-selector-collaborative{color:#1976d2;font-size:12px;margin-left:4px}.collection-selector-owner{color:#666;font-size:12px}.collection-selector-empty,.collection-selector-loading{padding:15px;text-align:center;color:var(--text-color-secondary,#5f5f5f);font-size:14px}@media (max-width:640px){.collection-selector-trigger{padding:12px 15px}.collection-selector-item{padding:8px 12px}.collection-selector-icon{width:24px;height:24px;margin-right:8px}}.collection-selector-search{padding:15px 12px;border-bottom:1px solid #f0f0f0;position:-webkit-sticky;position:sticky;top:0;background-color:white;z-index:2}.collection-selector-search-wrapper{position:relative;display:flex;align-items:center}.collection-selector-search-input{width:100%;padding:20px 15px;border:1px solid #e8e8e8;border-radius:4px;font-size:14px;outline:none;transition:all .2s ease;background-color:#ffffff;color:#555;height:35px}.collection-selector-search-input::placeholder{color:#aaa;font-size:12px}.collection-selector-search-input:focus{background-color:rgb(255,255,255);border-color:#d0d0d0}.collection-selector-search-wrapper:before{content:"";position:absolute;right:24px;width:12px;height:12px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23aaaaaa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");background-repeat:no-repeat;background-position:50%;opacity:.6;pointer-events:none}.collection-selector-search-clear{position:absolute;right:4px;background:none;border:none;color:#aaa;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;padding:0}.collection-selector-search-clear:hover{color:#888;background-color:rgba(0,0,0,.03)}.collection-selector-empty-search{padding:10px;text-align:center;color:#999;font-size:12px;display:flex;flex-direction:column;align-items:center}.collection-selector-clear-search-button{margin-top:4px;padding:3px 8px;background-color:#f5f5f5;border:none;border-radius:3px;font-size:11px;cursor:pointer;transition:background-color .2s ease;color:#666}.collection-selector-clear-search-button:hover{background-color:#ebebeb}.collection-selector-create-form{padding:20px;background-color:white;border-radius:8px}.collection-selector-form-title{font-weight:700;margin:0 0 20px;text-align:center;font-size:18px;color:#211922;font-family:arial}.collection-selector-create-input{width:100%;padding:12px 15px;border:1px solid #d1d5db;border-radius:4px;font-size:14px;font-family:arial;margin-bottom:20px;transition:all .2s ease}.collection-selector-create-input:focus{outline:none;border-color:#f97316;box-shadow:0 0 0 2px rgba(249,115,22,.2)}.collection-selector-create-error{color:#c91010;font-size:13px;margin:10px 0;padding:10px;background-color:#ffebee;border:1px solid #ffcdd2;border-radius:4px}.collection-selector-create-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.collection-selector-cancel-button{padding:10px 15px;background-color:#f3f4f6;border:0;border-radius:40px;font-size:14px;cursor:pointer;color:#5f5f5f;font-family:arial;transition:all .2s ease}.collection-selector-cancel-button:hover{background-color:#e5e7eb;color:#211922}.collection-selector-create-button{padding:10px 20px;background-color:#ff6600;color:white;border:none;border-radius:40px;font-size:14px;font-weight:700;cursor:pointer;font-family:arial;text-shadow:0 1px 1px rgba(0,0,0,.15);transition:background-color .1s}.collection-selector-create-button:hover{background-color:#e65c00}.collection-selector-create-button:disabled{background-color:#ffd0b3;cursor:not-allowed}.collection-selector-create-new{padding:12px 15px;border-bottom:1px solid #eee;background-color:#f9f9f9}.collection-selector-create-new-button{width:100%;display:flex;align-items:center;padding:10px 15px;background-color:white;border:1px solid #e0e0e0;border-radius:40px;color:#333;font-size:14px;font-family:arial;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px rgba(0,0,0,.05)}.collection-selector-create-new-button:hover{background-color:#fff8f3;transform:translateY(-1px);color:#cd5606;box-shadow:0 2px 5px rgba(0,0,0,.1)}.collection-selector-create-new-button:before{content:"+";display:inline-block;margin-right:8px;font-size:18px;font-weight:700;color:#ff6600}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.collection-selector-create-new-button:hover{animation:pulse 1s infinite}@keyframes formFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.collection-selector-create-form{animation:formFadeIn .3s ease-out}.tag-input-wrapper{margin-bottom:8px;display:flex;flex-direction:column;gap:8px}.tags-display-area{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0;min-height:30px}.tag-input{flex:1 1;min-width:60px;border:none;outline:none;background-color:transparent;font-size:14px;padding:4px}.hashtag-pill{background-color:#e0f7e6;color:#2e7d32;padding:4px 8px;border-radius:16px;font-size:14px;display:inline-flex;align-items:center;gap:4px;transition:background-color .2s ease;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hashtag-pill:hover{background-color:#c8efcf}.hashtag-remove-btn{background:none;border:none;cursor:pointer;color:#2e7d32;padding:0;font-size:14px;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;transition:color .2s ease;border-radius:50%;flex-shrink:0}.hashtag-remove-btn:hover{color:#1b5e20;background-color:rgba(0,0,0,.05)}.tag-hint{font-size:.75rem;color:#6b7280}.input-container.readonly{background-color:#f9f9f9;cursor:default}.input-container::-webkit-scrollbar,.tags-display-area::-webkit-scrollbar{width:6px;height:6px}.input-container::-webkit-scrollbar-track,.tags-display-area::-webkit-scrollbar-track{background:#f1f1f1}.input-container::-webkit-scrollbar-thumb,.tags-display-area::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.input-container::-webkit-scrollbar-thumb:hover,.tags-display-area::-webkit-scrollbar-thumb:hover{background:#a1a1a1}@media (max-width:640px){.input-container{padding:6px}.hashtag-pill{font-size:13px;padding:3px 6px}}