*{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}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;overflow:hidden}.toolbar{display:flex;flex-direction:column;gap:0;padding:20px 16px 16px;background:var(--c-surface);border-right:1px solid var(--c-border);overflow-y:auto;overscroll-behavior:contain}.toolbar-header{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--c-border)}.toolbar-header h1{margin:0 0 4px;font-size:15px;font-weight:650;letter-spacing:-.015em;color:var(--c-text)}.toolbar-header .desc{margin:0;font-size:12px;line-height:1.5;color:var(--c-text-3)}.actions{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}.actions button{display:flex;align-items:center;gap:8px;width:100%;padding:9px 12px;border:1px solid var(--c-border);border-radius:var(--r);background:var(--c-surface);font-size:13px;font-weight:500;color:var(--c-text-2);cursor:pointer;transition:all .15s ease;line-height:1}.actions button:hover{background:#f8fafc;border-color:var(--c-border-h);color:var(--c-text)}.actions button:active{background:#f1f5f9;transform:scale(.985)}.actions button:disabled{opacity:.45;cursor:not-allowed;transform:none}.actions button svg{flex-shrink:0;opacity:.6;transition:opacity .15s}.actions button:hover svg{opacity:.85}.section-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--c-text-3);margin:20px 0 10px;padding:0;border:none}.section-label:first-of-type{margin-top:0}.zoom-controls{display:flex;align-items:center;gap:4px;margin-bottom:10px;background:#f8fafc;border:1px solid var(--c-border);border-radius:var(--r);padding:3px}.zoom-controls button{width:32px;height:30px;padding:0;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:500;line-height:1;border:none;border-radius:var(--r-sm);background:transparent;color:var(--c-text-3);cursor:pointer;transition:all .15s ease}.zoom-controls button:hover{background:var(--c-border);color:var(--c-text-2)}.zoom-controls button:active{background:var(--c-border-h)}.zoom-level{flex:1;text-align:center;font-size:12px;font-weight:600;color:var(--c-text-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-width:48px;letter-spacing:-.01em}.viewport-info{font-size:11px;color:var(--c-text-3);margin-bottom:20px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;line-height:1.5;padding:0 2px}.toggle{display:flex;align-items:center;gap:10px;margin-bottom:4px;font-size:13px;color:var(--c-text-2);cursor:pointer;-webkit-user-select:none;user-select:none;padding:6px 8px;border-radius:var(--r-sm);transition:background .15s ease}.toggle:hover{background:#f8fafc}.toggle input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:36px;height:20px;border:none;border-radius:10px;background:var(--c-border-h);cursor:pointer;position:relative;flex-shrink:0;transition:background .2s ease}.toggle input[type=checkbox]:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--c-surface);box-shadow:0 1px 3px #0000002e;transition:transform .2s cubic-bezier(.34,1.56,.64,1)}.toggle input[type=checkbox]:checked{background:var(--c-accent)}.toggle input[type=checkbox]:checked:after{transform:translate(16px)}.toggle span{line-height:1.4}.landmark-info{font-size:11px;line-height:1.6;color:var(--c-text-2);padding:8px 10px;background:#f8fafc;border-radius:var(--r-sm);margin-bottom:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-height:2.4em;border:1px solid #f1f5f9}.anchor-type-group{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:8px}.anchor-type-btn{padding:7px 10px;border:1px solid var(--c-border);border-radius:var(--r-sm);background:var(--c-surface);font-size:12px;font-weight:500;color:var(--c-text-3);cursor:pointer;transition:all .15s ease;text-align:center;line-height:1.3}.anchor-type-btn:hover{background:#f8fafc;border-color:var(--c-border-h);color:var(--c-text-2)}.anchor-type-btn.active{background:var(--c-accent-bg);border-color:var(--c-accent);color:var(--c-accent);font-weight:600}.anchor-actions{display:flex;align-items:center;gap:6px;margin-bottom:12px}.auto-fit-btn{display:flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--c-border);border-radius:var(--r-sm);background:var(--c-surface);font-size:12px;font-weight:500;color:var(--c-text-2);cursor:pointer;transition:all .15s ease;flex-shrink:0;line-height:1}.auto-fit-btn:hover{background:#f8fafc;border-color:var(--c-border-h);color:var(--c-text)}.auto-fit-btn:active{background:#f1f5f9;transform:scale(.985)}.auto-fit-btn svg{flex-shrink:0;opacity:.5}.anchor-actions .toggle{margin-bottom:0;font-size:12px;padding:5px 6px}.anchor-actions .toggle input[type=checkbox]{width:30px;height:18px}.anchor-actions .toggle input[type=checkbox]:after{width:14px;height:14px}.anchor-actions .toggle input[type=checkbox]:checked:after{transform:translate(12px)}.anchor-info{font-size:11px;line-height:1.6;color:var(--c-text-3);padding:8px 10px;background:#f8fafc;border-radius:var(--r-sm);margin-bottom:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-height:2em;border:1px solid #f1f5f9}.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}.dialog-input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px #7c3aed1f}.dialog-input::placeholder{color:var(--c-text-3)}.dialog-buttons{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.dialog-btn{padding:8px 18px;border:1px solid var(--c-border);border-radius:var(--r);background:var(--c-surface);font-size:13px;font-weight:500;color:var(--c-text-2);cursor:pointer;transition:all .15s ease;line-height:1}.dialog-btn:hover{background:#f8fafc;border-color:var(--c-border-h)}.dialog-btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}.dialog-btn-primary:hover{background:var(--c-accent-h);border-color:var(--c-accent-h)}.drop-zone{padding:16px;border:1.5px dashed var(--c-border);border-radius:var(--r);text-align:center;font-size:12px;color:var(--c-text-3);margin-bottom:12px;transition:all .2s ease;background:#f8fafc;line-height:1.5}.drop-zone:hover{border-color:var(--c-border-h);background:#f1f5f9}.drop-zone.active{border-color:var(--c-accent);background:var(--c-accent-bg);color:var(--c-accent)}.status{font-size:12px;line-height:1.5;color:var(--c-text-2);margin-bottom:12px;padding:8px 10px;background:#f8fafc;border-radius:var(--r-sm);min-height:2.2em;border:1px solid #f1f5f9}.status.error{color:var(--c-red);background:var(--c-red-bg);border-color:#fecaca}.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:relative;width:100%;height:100vh;overflow:hidden;min-height:0}.canvas-container canvas{border-radius:0;box-shadow:none}@media(max-width:960px){.app{grid-template-columns:1fr}}