:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--border: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent: #58a6ff;--accent-hover: #79c0ff;--danger: #f85149;--success: #3fb950;--warning: #d29922}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}.app{display:flex;height:100vh;width:100vw}.sidebar{width:300px;min-width:300px;background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column;gap:0}.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.sidebar-section{padding:12px 14px;border-bottom:1px solid var(--border)}.section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);margin-bottom:8px}.model-name-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--text-primary);font-size:13px;outline:none;transition:border-color .15s}.model-name-input:focus{border-color:var(--accent)}.model-stats{display:flex;justify-content:space-between;margin-top:6px;font-size:11px;color:var(--text-secondary)}.tool-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.tool-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px 6px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text-secondary);transition:all .15s;position:relative}.tool-btn:hover{background:#2d333b;color:var(--text-primary);border-color:#444c56}.tool-btn.active{background:#388bfd26;border-color:var(--accent);color:var(--accent)}.tool-icon{font-size:16px;line-height:1}.tool-label{font-size:9px;white-space:nowrap}.tool-key{position:absolute;top:2px;right:4px;font-size:8px;color:#ffffff40;font-family:monospace}.color-preview-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.color-preview{width:32px;height:32px;border-radius:6px;border:2px solid var(--border);flex-shrink:0}.color-input-native{width:32px;height:32px;padding:0;border:none;border-radius:6px;cursor:pointer;background:none}.color-input-native::-webkit-color-swatch-wrapper{padding:0}.color-input-native::-webkit-color-swatch{border:1px solid var(--border);border-radius:6px}.color-hex-input{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;padding:4px 8px;color:var(--text-primary);font-family:monospace;font-size:12px;outline:none}.color-hex-input:focus{border-color:var(--accent)}.color-palette{display:grid;grid-template-columns:repeat(9,1fr);gap:3px}.color-swatch{width:100%;aspect-ratio:1;border-radius:4px;border:2px solid transparent;cursor:pointer;transition:all .1s}.color-swatch:hover{transform:scale(1.2);z-index:1;border-color:#ffffff80}.color-swatch.active{border-color:#fff;box-shadow:0 0 0 1px var(--bg-primary),0 0 4px #ffffff4d}.template-tabs{display:flex;gap:4px;margin-bottom:8px}.template-tab{flex:1;padding:5px 8px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text-secondary);font-size:11px;font-weight:500;transition:all .15s}.template-tab:hover{background:#2d333b;color:var(--text-primary)}.template-tab.active{background:#388bfd26;border-color:var(--accent);color:var(--accent)}.template-list{display:flex;flex-direction:column;gap:3px;max-height:200px;overflow-y:auto}.template-list::-webkit-scrollbar{width:4px}.template-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.template-item{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text-primary);font-size:12px;transition:all .15s;text-align:left}.template-item:hover{background:#2d333b;border-color:#444c56}.template-icon{font-size:16px;flex-shrink:0}.template-name{flex:1}.template-size{font-size:10px;color:var(--text-secondary);font-family:monospace}.grid-size-inputs{display:flex;gap:8px}.grid-size-label{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;color:var(--text-secondary);font-weight:600}.grid-size-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;padding:4px 6px;color:var(--text-primary);font-size:12px;text-align:center;outline:none}.grid-size-input:focus{border-color:var(--accent)}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary);cursor:pointer;padding:4px 0}.checkbox-label input[type=checkbox]{accent-color:var(--accent)}.action-buttons{display:flex;flex-direction:column;gap:6px}.action-btn{width:100%;padding:8px 12px;border-radius:6px;border:1px solid var(--border);cursor:pointer;font-size:12px;font-weight:500;transition:all .15s}.export-btn{background:#388bfd26;border-color:var(--accent);color:var(--accent)}.export-btn:hover{background:#388bfd40}.import-btn{background:var(--bg-tertiary);color:var(--text-primary)}.import-btn:hover{background:#2d333b}.clear-btn{background:transparent;color:var(--danger);border-color:transparent}.clear-btn:hover{background:#f851491a;border-color:var(--danger)}.main-area{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}.iso-view-container{flex:1;position:relative;min-height:0;border-bottom:1px solid var(--border)}.iso-canvas{width:100%;height:100%;display:block}.iso-info{position:absolute;bottom:8px;left:12px;display:flex;gap:16px;font-size:11px;font-family:monospace;color:var(--text-secondary);pointer-events:none}.iso-controls{color:#ffffff4d}.layer-editor{height:340px;min-height:340px;display:flex;flex-direction:column;background:var(--bg-secondary)}.layer-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;border-bottom:1px solid var(--border)}.layer-title{font-size:12px;font-weight:600;font-family:monospace;color:var(--text-primary)}.layer-nav{display:flex;align-items:center;gap:6px}.layer-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;cursor:pointer;color:var(--text-secondary);font-size:10px;transition:all .15s}.layer-btn:hover:not(:disabled){background:#2d333b;color:var(--text-primary)}.layer-btn:disabled{opacity:.3;cursor:default}.layer-count{font-size:11px;font-family:monospace;color:var(--text-secondary);min-width:36px;text-align:center}.layer-canvas-container{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:12px}.layer-canvas{border:1px solid var(--border);border-radius:4px;image-rendering:pixelated}