:root{--bg-color:#1a1a1a;--primary-text-color:#e0e0e0;--secondary-text-color:#b0b0b0;--border-color:#444;--accent-color:#007bff;--hover-bg-color:#333;--modal-bg-color:#252525;--button-bg-color:#3a3a3a;--button-hover-bg-color:#4a4a4a;--drag-over-border-color:#007bff;--item-quality-0:#9d9d9d;--item-quality-1:#ffffff;--item-quality-2:#1eff00;--item-quality-3:#0070dd;--item-quality-4:#a335ee;--item-quality-5:#ff8000}body{background-color:var(--bg-color);color:var(--primary-text-color);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;margin:0;padding:20px}button{background-color:var(--button-bg-color);color:var(--primary-text-color);border:1px solid var(--border-color);padding:5px 10px;border-radius:4px;cursor:pointer;font-size:.9em}button:hover{background-color:var(--button-hover-bg-color)}button:disabled{opacity:.5;cursor:not-allowed}input[type=text],textarea{background-color:var(--bg-color);border:1px solid var(--border-color);color:var(--primary-text-color);border-radius:4px;padding:10px;box-sizing:border-box;font-family:inherit}#app{max-width:1200px;margin:0 auto}#container{display:flex;flex-direction:column;gap:20px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:10px}header h1{margin:0;font-size:1.5em}header .actions button{background-color:var(--accent-color);color:white;border:none;padding:8px 12px;margin-left:10px;font-size:1em}.group-tree{padding-left:20px;border-left:1px solid var(--border-color)}.group-node.root-node>.group-header{cursor:default}.group-header{display:flex;justify-content:space-between;align-items:center;padding:8px;cursor:pointer;border-radius:4px;border:2px dashed transparent;transition:background-color.2s,border-color.2s}.group-header:hover{background-color:var(--hover-bg-color)}.group-header.drag-over{border-color:var(--drag-over-border-color)}.group-name{font-weight:700;font-size:1.1em}.group-actions{display:flex;gap:5px}.group-content{padding-left:25px}.group-items{display:flex;flex-direction:column;gap:5px;padding-top:10px}.item{display:flex;align-items:center;gap:8px;padding:4px;border-radius:4px;background-color:#2c2c2c;cursor:grab}.item:active{cursor:grabbing}.item-icon{width:32px;height:32px;border-radius:4px}.item-remove-btn{margin-left:auto;background:#5e2828;border:1px solid#853e3e;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{width:80%;max-width:700px;background-color:var(--modal-bg-color);border-radius:8px;display:flex;flex-direction:column;max-height:90vh}.modal-header{padding:15px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0}.close-btn{background:none;border:none;font-size:1.5em;cursor:pointer}.modal-body{padding:15px;overflow-y:auto;display:flex;flex-direction:column;gap:15px}.import-export-textarea{width:100%;height:40vh;resize:vertical;font-family:monospace;font-size:.9em}.item-categories{display:flex;gap:15px;padding-bottom:10px;border-bottom:1px solid var(--border-color)}.item-categories label{cursor:pointer}.search-container{display:flex;gap:10px}.main-search-input{flex-grow:1}.advanced-toggle-btn{flex-shrink:0}.advanced-filter-container input{width:100%}.search-results{display:flex;flex-direction:column;gap:8px}.search-result-item{display:flex;align-items:center;gap:10px;padding:5px;border-radius:4px}.search-result-item:hover{background-color:var(--hover-bg-color)}.item-icon-small{width:24px;height:24px;border-radius:4px}.search-result-item .add-single-btn{margin-left:auto}.modal-footer{padding:15px;border-top:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;gap:10px}.modal-footer .footer-left{margin-right:auto}.modal-footer .footer-right{display:flex;gap:10px}.item_quality_0{color:var(--item-quality-0)}.item_quality_1{color:var(--item-quality-1)}.item_quality_2{color:var(--item-quality-2)}.item_quality_3{color:var(--item-quality-3)}.item_quality_4{color:var(--item-quality-4)}.item_quality_5{color:var(--item-quality-5)}