:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0d1117;--surface:#161b22;--surface-2:#0d1117;--surface-3:#21262d;--border:#30363d;--border-strong:#3d444d;--text:#e6edf3;--text-muted:#9198a1;--text-subtle:#6e7681;--brand:#f59e0b;--brand-hover:#d98706;--brand-soft:#f59e0b26;--brand-border:#f59e0b59;--brand-fg:#1a1000;--ring:#f59e0b59;--mark-bg:linear-gradient(135deg, #fbbf24, #f59e0b);--mark-fg:#231400;--danger:#f87171;--danger-soft:#f871711f;--danger-border:#f8717152;--success:#3fb950;--warn-fg:#f59e0b;--warn-bg:#f59e0b1f;--warn-border:#f59e0b4d;--canvas-bg:#0d1117;--grid-dot:#21262d;--radius-sm:5px;--radius:6px;--radius-lg:8px;--shadow-xs:0 1px 2px #0006;--shadow-sm:0 2px 6px #00000080, 0 1px 2px #0006;--shadow-md:0 8px 20px #00000080;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;--mono:ui-monospace, "Cascadia Mono", "JetBrains Mono", "Consolas", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}button,input,select,textarea{font:inherit;color:inherit}.app-shell{background:var(--bg);height:100vh;color:var(--text);display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:320px;display:flex}.brand{border-bottom:1px solid var(--border);align-items:center;gap:11px;padding:16px 18px;display:flex}.brand-mark{border-radius:var(--radius-lg);width:34px;height:34px;color:var(--mark-fg);background:var(--mark-bg);box-shadow:var(--shadow-xs);justify-content:center;align-items:center;display:flex}.brand-text{flex-direction:column;line-height:1.2;display:flex}.brand-name{letter-spacing:-.01em;font-size:14px;font-weight:700}.brand-tag{color:var(--text-subtle);font-size:11px}.sidebar-scroll{flex-direction:column;flex:1;gap:12px;padding:14px;display:flex;overflow-y:auto}.drawing-meta{border-top:1px solid var(--border);color:var(--text-muted);flex-direction:column;gap:4px;padding:12px 18px;font-size:11px;display:flex}.drawing-meta .meta-name{color:var(--text);font-size:12px;font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);padding:14px}.card-head{align-items:center;gap:10px;margin-bottom:12px;display:flex}.card-icon{width:28px;height:28px;color:var(--brand);background:var(--brand-soft);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.card-title{color:var(--text);font-size:13px;font-weight:600}.card-sub{font-family:var(--mono);color:var(--text-subtle);background:var(--surface-3);border-radius:999px;margin-left:auto;padding:2px 8px;font-size:11px;font-weight:600}.card-body{flex-direction:column;gap:10px;display:flex}.dropzone{border:1.5px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface-2);color:var(--text-muted);text-align:center;cursor:pointer;flex-direction:column;align-items:center;gap:8px;padding:22px 14px;transition:border-color .15s,background .15s,color .15s;display:flex}.dropzone:hover,.dropzone.drag-active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.dropzone-icon{color:var(--text-subtle);transition:color .15s}.dropzone:hover .dropzone-icon,.dropzone.drag-active .dropzone-icon{color:var(--brand)}.dropzone-title{color:inherit;font-size:13px;font-weight:600}.dropzone-hint{color:var(--text-subtle);font-size:11px}.field-label{color:var(--text-muted);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field-hint{color:var(--text-subtle);margin-top:6px;font-size:11px}.select,.textarea{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);width:100%;color:var(--text);padding:9px 11px;font-size:13px;transition:border-color .15s,box-shadow .15s}.select{appearance:none;cursor:pointer;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='%239198a1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:32px}.textarea{resize:vertical;min-height:74px;line-height:1.5}.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring);outline:none}.textarea::placeholder{color:var(--text-subtle)}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;height:38px;padding:0 14px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s,box-shadow .15s,transform 50ms;display:inline-flex}.btn-block{width:100%}.btn-primary{background:var(--brand);color:var(--brand-fg);box-shadow:var(--shadow-xs)}.btn-primary:hover{background:var(--brand-hover)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover{background:var(--surface-3)}.btn:active{transform:translateY(.5px)}.btn:disabled{opacity:.55;cursor:default;box-shadow:none;transform:none}.btn:focus-visible{box-shadow:0 0 0 3px var(--ring);outline:none}.layer-list{flex-direction:column;gap:2px;list-style:none;display:flex}.layer-row{border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:10px;padding:7px 8px;font-size:13px;transition:background .12s;display:flex}.layer-row:hover{background:var(--surface-3)}.layer-row input[type=checkbox]{width:15px;height:15px;accent-color:var(--brand);cursor:pointer;flex-shrink:0}.layer-swatch{border:1px solid var(--border-strong);border-radius:3px;flex-shrink:0;width:12px;height:12px}.layer-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.layer-row.layer-hidden .layer-name{color:var(--text-subtle)}.error-message{color:var(--danger);background:var(--danger-soft);border:1px solid var(--danger-border);border-radius:var(--radius-sm);word-break:break-word;margin-top:10px;padding:8px 10px;font-size:12px}.card-body .error-message{margin-top:0}.workspace{background:var(--bg);flex-direction:column;flex:1;min-width:0;display:flex}.canvas-toolbar{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:14px;height:48px;padding:0 16px;display:flex}.win-dots{gap:6px;display:flex}.win-dots span{border-radius:50%;width:11px;height:11px}.win-dots span:first-child{background:#f87171}.win-dots span:nth-child(2){background:#fbbf24}.win-dots span:nth-child(3){background:#34d399}.toolbar-title{color:var(--text);font-size:13px;font-weight:600}.toolbar-title.is-empty{color:var(--text-subtle);font-weight:500}.toolbar-chips{flex-wrap:wrap;gap:6px;margin-left:auto;display:flex}.chip{font-family:var(--mono);color:var(--text-muted);background:var(--surface-3);border:1px solid var(--border);white-space:nowrap;border-radius:999px;padding:3px 9px;font-size:11px}.chip.chip-warn{color:var(--warn-fg);background:var(--warn-bg);border-color:var(--warn-border)}.canvas-wrap{background-color:var(--canvas-bg);background-image:radial-gradient(circle, var(--grid-dot) 1px, transparent 1px);background-size:22px 22px;flex:1;min-height:0;position:relative;overflow:hidden}.blueprint-canvas{cursor:grab;touch-action:none;background:0 0;width:100%;height:100%;display:block}.blueprint-canvas:active{cursor:grabbing}.canvas-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:24px;display:flex;position:absolute;inset:0}.canvas-empty-icon{width:58px;height:58px;color:var(--brand);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:14px;justify-content:center;align-items:center;display:flex}.canvas-empty-title{color:var(--text-muted);font-size:15px;font-weight:600}.canvas-empty-hint{color:var(--text-subtle);max-width:340px;font-size:13px;line-height:1.55}@media (width<=720px){.sidebar{width:280px}}