*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{background:#1e1e1e}.app{display:grid;grid-template-columns:1fr 1fr 300px;grid-template-areas:"editor preview tools";height:100vh;width:100vw;overflow:hidden;background:#1e1e1e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.code-editor{grid-area:editor}.svg-preview{grid-area:preview}.tools-panel{grid-area:tools}.mobile-tab-bar{display:none}.code-editor{height:100%;overflow:hidden;border-right:1px solid #3a3a3a}.code-editor .cm-editor{height:100%}.code-editor .cm-scroller{overflow:auto}.svg-preview{display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:#fff;background-image:linear-gradient(45deg,#e8e8e8 25%,transparent 25%),linear-gradient(-45deg,#e8e8e8 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e8e8e8 75%),linear-gradient(-45deg,transparent 75%,#e8e8e8 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;border-right:1px solid #3a3a3a;position:relative;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.svg-preview:active{cursor:grabbing}.svg-preview-canvas{transform-origin:0 0;pointer-events:none}.svg-preview-canvas>*{pointer-events:auto}.svg-preview-controls{position:absolute;bottom:12px;right:12px;display:flex;gap:2px;background:#1e1e1ed9;border-radius:6px;padding:3px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #0000004d;z-index:10;pointer-events:auto}.zoom-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;color:#ccc;font-size:16px;cursor:pointer;transition:background .15s,color .15s;line-height:1;padding:0}.zoom-btn:hover{background:#ffffff1a;color:#fff}.zoom-btn.zoom-label{width:auto;min-width:44px;font-size:11px;font-family:JetBrains Mono,Fira Code,Menlo,monospace;padding:0 6px;color:#9cdcfe}.svg-preview-empty{color:#888;font-size:14px;font-style:italic}.error-overlay{width:100%;height:100%;background:#ff323212;border:1px solid rgba(255,80,80,.3);border-radius:4px;overflow:auto;padding:16px;box-sizing:border-box}.error-overlay-header{color:#ff6b6b;font-weight:600;font-size:13px;margin-bottom:8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.error-overlay-message{color:#faa;font-size:12px;font-family:JetBrains Mono,Fira Code,Menlo,monospace;white-space:pre-wrap;word-break:break-word;margin:0}.tools-panel{background:#252526;color:#ccc;display:flex;flex-direction:column;overflow:hidden}.tools-panel-header{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#858585;padding:12px 16px 8px;border-bottom:1px solid #3a3a3a;flex-shrink:0}.tools-empty{font-size:12px;color:#666;padding:16px;line-height:1.6;margin:0}.tools-empty code{font-family:JetBrains Mono,Fira Code,Menlo,monospace;color:#9cdcfe;background:#2d2d2d;padding:1px 4px;border-radius:3px}.tools-list{overflow-y:auto;flex:1;padding:8px 0}.tool-control{padding:10px 16px;border-bottom:1px solid #2d2d2d}.tool-label{display:block;font-size:11px;color:#858585;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.tool-input{width:100%;background:#3c3c3c;border:1px solid #555;border-radius:4px;color:#d4d4d4;font-size:13px;padding:5px 8px;box-sizing:border-box;outline:none;font-family:inherit;transition:border-color .15s}.tool-input:focus{border-color:#007acc}.range-control{display:flex;align-items:center;gap:10px}.tool-range{flex:1;accent-color:#007acc;cursor:pointer}.range-value{font-size:12px;color:#9cdcfe;font-family:JetBrains Mono,Fira Code,Menlo,monospace;min-width:36px;text-align:right}.range-value-input{font-size:12px;color:#9cdcfe;font-family:JetBrains Mono,Fira Code,Menlo,monospace;width:52px;text-align:right;background:transparent;border:none;border-bottom:1px solid transparent;outline:none;padding:0;transition:border-color .15s}.range-value-input:hover,.range-value-input:focus{border-bottom-color:#007acc}.range-value-input::-webkit-inner-spin-button,.range-value-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.range-value-input[type=number]{-moz-appearance:textfield}.tools-reset-button{margin:auto 16px 16px;padding:8px 12px;background:transparent;border:1px solid #555;border-radius:4px;color:#858585;font-size:12px;cursor:pointer;transition:color .15s,border-color .15s;flex-shrink:0}.tools-reset-button:hover{color:#ff6b6b;border-color:#ff6b6b}@media(max-width:768px){.app{display:flex;flex-direction:column;height:auto;min-height:100vh;overflow:visible;width:100%}.svg-preview{order:1;height:56vw;min-height:180px;flex-shrink:0;border-right:none;border-bottom:1px solid #3a3a3a;cursor:default}.mobile-tab-bar{order:2;display:flex;flex-shrink:0;background:#252526;border-bottom:2px solid #3a3a3a}.mobile-tab-btn{flex:1;padding:11px 0;background:transparent;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;color:#858585;font-size:13px;font-family:inherit;font-weight:600;letter-spacing:.03em;cursor:pointer;transition:color .15s,border-color .15s}.mobile-tab-btn.active{color:#fff;border-bottom-color:#007acc}.code-editor{order:3;height:100vh;border-right:none}.tools-panel{order:4;height:100vh}.app[data-mobile-tab=tools] .code-editor,.app[data-mobile-tab=editor] .tools-panel{display:none}}