*{box-sizing:border-box}:root{--c-bg: #f1f5f9;--c-surface: #ffffff;--c-border: #e2e8f0;--c-border-h: #cbd5e1;--c-text: #0f172a;--c-text-2: #475569;--c-text-3: #94a3b8;--c-accent: #7c3aed;--c-accent-h: #6d28d9;--c-accent-bg: #f5f3ff;--c-red: #ef4444;--c-red-bg: #fef2f2;--c-blue: #3b82f6;--c-blue-bg: #eff6ff;--r: 8px;--r-sm: 6px;--sidebar-w: 300px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--c-bg);color:var(--c-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none}.app{position:relative;width:100vw;height:100vh}.toolbar{position:absolute;left:0;top:0;bottom:0;z-index:50;display:flex;flex-direction:column;width:var(--sidebar-w);background:var(--c-surface);border-right:1px solid var(--c-border);box-shadow:2px 0 12px #0000000f}.bpg-zone-top{flex-shrink:0;padding:28px 16px 0}.bpg-zone-mid{height:0;flex:1;display:flex;flex-direction:column;padding:16px 16px 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input{width:14px;height:14px;accent-color:var(--c-accent);margin:0;cursor:pointer}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a59;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.dialog-box{background:var(--c-surface);border-radius:12px;padding:24px;box-shadow:0 8px 40px #0f172a1f,0 2px 8px #0f172a14;min-width:320px;animation:dialogIn .2s cubic-bezier(.34,1.56,.64,1)}@keyframes dialogIn{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.dialog-label{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--c-text)}.dialog-input{width:100%;padding:9px 12px;border:1px solid var(--c-border);border-radius:var(--r);font-size:13px;outline:none;box-sizing:border-box;color:var(--c-text);transition:border-color .15s;-webkit-user-select:text;user-select:text}.dialog-input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px 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8px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--c-border);border-radius:var(--r-sm);background:var(--c-surface);color:var(--c-text-2);outline:none;transition:border-color .15s ease;min-width:0}.bg-input:focus{border-color:var(--c-accent);box-shadow:0 0 0 2px var(--c-accent-bg)}.bg-input::-webkit-inner-spin-button{opacity:.5}.material-list{display:flex;flex-direction:column;gap:4px;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;-ms-overflow-style:none}.material-list::-webkit-scrollbar{display:none}.material-list-empty{display:flex;align-items:center;justify-content:center;flex:1;font-size:13px;color:var(--c-text-3)}.mat-header .mat-anchor-type{font-size:11px;font-weight:500;color:var(--c-text-3);background:var(--c-bg);padding:1px 6px;border-radius:4px;line-height:1.4}.material-item{border:1px solid var(--c-border);border-radius:var(--r-sm);background:var(--c-surface);cursor:pointer;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease,border-width .1s ease}.material-item:hover{border-color:var(--c-border-h)}.material-item.active{border-color:var(--c-accent);background:var(--c-accent-bg)}.mat-header{display:flex;align-items:center;gap:8px;padding:8px 10px}.mat-header .mat-icon,.mat-header .mat-thumb{flex-shrink:0;width:36px;height:36px;border-radius:6px;background:var(--c-bg);display:flex;align-items:center;justify-content:center;font-size:14px;object-fit:contain}.mat-header .mat-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500;color:var(--c-text)}.mat-header .mat-type{font-size:11px;font-weight:500;color:var(--c-text-3);background:var(--c-bg);padding:1px 6px;border-radius:4px}.material-actions{display:flex;gap:3px;padding:0 8px 8px}.material-actions button{display:inline-flex;align-items:center;justify-content:center;gap:3px;flex:1;padding:5px 4px;font-size:12px;font-weight:500;border:1px solid var(--c-border);border-radius:5px;background:var(--c-surface);color:var(--c-text-3);cursor:pointer;transition:all .12s ease}.material-actions button:hover{background:#f8fafc;border-color:var(--c-border-h);color:var(--c-text-2)}.material-actions .mat-fit{color:var(--c-accent);border-color:#e9d5ff}.material-actions .mat-fit:hover{background:var(--c-accent-bg);border-color:var(--c-accent)}.material-actions .mat-calibrate{color:var(--c-accent);border-color:#e9d5ff}.material-actions .mat-calibrate:hover{background:var(--c-accent-bg);border-color:var(--c-accent)}.material-actions .mat-vis{color:var(--c-text-2);border-color:var(--c-border);gap:4px}.material-actions .mat-vis svg{display:block;flex-shrink:0}.material-actions .mat-vis:hover{background:#f8fafc;border-color:var(--c-border-h)}.material-actions .mat-delete{color:var(--c-red);border-color:#fecaca}.material-actions .mat-delete:hover{background:var(--c-red-bg);border-color:var(--c-red)}.material-actions .mat-lock{color:var(--c-text-2);border-color:var(--c-border);gap:4px}.material-actions .mat-lock svg{display:block;flex-shrink:0}.material-actions .mat-lock:hover{background:#f8fafc;border-color:var(--c-border-h)}.material-actions .mat-lock.mat-locked{color:#ca8a04;border-color:#fde68a;background:#fffbeb}.material-actions .mat-lock.mat-locked:hover{background:#fef3c7;border-color:#f59e0b}.material-item.dragging{opacity:.35}.material-item.drop-before{border-top-color:var(--c-accent);border-top-width:3px;box-shadow:0 -2px 6px #7c3aed26}.material-item.drop-after{border-bottom-color:var(--c-accent);border-bottom-width:3px;box-shadow:0 2px 6px #7c3aed26}.export-result{margin:0;padding:10px 12px;background:#f8fafc;border-radius:var(--r);font-size:11px;line-height:1.5;white-space:pre-wrap;word-break:break-all;max-height:200px;overflow:auto;color:var(--c-text-2);border:1px solid #f1f5f9;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.canvas-container{position:absolute;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;overflow:hidden}.canvas-container canvas{border-radius:0;box-shadow:none}@media(max-width:960px){.app{grid-template-columns:1fr}}