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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>VECTOR LAB — Local SVG Processing Suite</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.11.338/pdf.min.js"></script>
<style>
:root{
--bg:#0a0e1a; --bg-elev:#11172a; --bg-elev-2:#19203a; --bg-viewport:#0c1120;
--border:rgba(255,255,255,0.07); --border-strong:rgba(255,255,255,0.14);
--text:#f5f5f4; --text-muted:#94a3b8; --text-dim:#64748b;
--accent:#fbbf24; --accent-dim:#b45309; --accent-glow:rgba(251,191,36,0.35);
--secondary:#22d3ee; --secondary-glow:rgba(34,211,238,0.3);
--warning:#f87171; --warning-glow:rgba(248,113,113,0.3);
--success:#34d399; --success-glow:rgba(52,211,153,0.3);
--curve-l:#fbbf24; --curve-q:#22d3ee; --curve-c:#a78bfa; --curve-a:#f472b6;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
font-family:'Space Grotesk',sans-serif; background:var(--bg); color:var(--text);
overflow-x:hidden;
background-image:
radial-gradient(ellipse 800px 600px at 10% 0%,rgba(251,191,36,0.05),transparent 60%),
radial-gradient(ellipse 800px 600px at 90% 100%,rgba(34,211,238,0.04),transparent 60%);
background-attachment:fixed; min-height:100vh; display:flex; flex-direction:column;
}
.app-header{
display:flex; align-items:center; justify-content:space-between;
padding:18px 28px; border-bottom:1px solid var(--border);
background:rgba(10,14,26,0.7); backdrop-filter:blur(12px);
position:sticky; top:0; z-index:50;
}
.brand{display:flex;align-items:center;gap:14px;cursor:pointer;}
.brand-mark{width:38px;height:38px;position:relative;display:flex;align-items:center;justify-content:center}
.brand-mark svg{width:100%;height:100%}
.brand-mark::after{
content:'';position:absolute;inset:-4px;border-radius:50%;
background:radial-gradient(circle,var(--accent-glow),transparent 70%);
opacity:0.6;z-index:-1;animation:pulse 3s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:0.4;transform:scale(1)}50%{opacity:0.7;transform:scale(1.1)}}
.brand-text h1{font-size:18px;font-weight:700;letter-spacing:0.18em;line-height:1}
.brand-text span{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--text-dim);letter-spacing:0.1em;text-transform:uppercase}
.header-right{display:flex; align-items:center; gap:16px;}
.local-badge{
display:flex; align-items:center; gap:6px;
font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--success);
background:rgba(52,211,153,0.08); padding:6px 10px; border-radius:4px; border:1px solid rgba(52,211,153,0.2);
text-transform:uppercase; letter-spacing:0.05em;
}
.btn{
font-family:inherit;font-size:12px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;
padding:9px 16px;border-radius:6px;border:1px solid var(--border-strong);
background:var(--bg-elev);color:var(--text);cursor:pointer;transition:all 0.2s;
display:inline-flex;align-items:center;gap:6px;
}
.btn:hover{background:var(--bg-elev-2);border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);color:#1a1305;border-color:var(--accent);font-weight:600}
.btn.primary:hover{background:#fcd34d;box-shadow:0 0 20px var(--accent-glow)}
.btn:disabled{opacity:0.35;cursor:not-allowed;pointer-events:none}
.btn-back{padding:8px 14px; font-size:11px;}
.btn-back svg{width:14px;height:14px}
.view-container{display:none; flex:1; flex-direction:column;}
.view-container.active{display:flex;}
/* Dashboard */
.dashboard{
flex:1; display:flex; flex-direction:column; align-items:center; padding: 40px 20px;
}
.dash-intro{
text-align:center; margin-bottom:40px;
}
.dash-intro h2{
font-size: 32px; font-weight: 300; letter-spacing: -0.02em;
background: linear-gradient(90deg, var(--text), var(--text-muted));
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
margin-bottom: 10px;
}
.dash-intro p{
font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim);
letter-spacing: 0.1em; text-transform: uppercase;
}
.tools-grid{
display:flex; flex-direction:column; gap:24px; width:100%; max-width:800px;
}
.tool-card{
background:var(--bg-elev); border:1px solid var(--border); border-radius:16px;
padding:28px; cursor:pointer; transition:all 0.3s ease;
display:flex; align-items:center; gap:24px; position:relative; overflow:hidden;
}
.tool-card::before{
content:''; position:absolute; top:0; left:0; bottom:0; width:3px;
background:var(--accent); opacity:0; transition:opacity 0.3s;
}
.tool-card:hover{
border-color:var(--accent); transform:translateX(4px);
box-shadow:0 8px 30px rgba(0,0,0,0.2);
}
.tool-card:hover::before{opacity:1;}
.tool-card.cyan:hover{border-color:var(--secondary);}
.tool-card.cyan::before{background:var(--secondary);}
.tool-icon{
width:56px; height:56px; border-radius:12px; background:var(--bg-viewport);
display:flex; align-items:center; justify-content:center; border:1px solid var(--border);
flex-shrink: 0;
}
.tool-icon svg{width:32px; height:32px;}
.tool-info h3{font-size:18px; font-weight:600; margin-bottom:6px;}
.tool-info p{font-size:13px; color:var(--text-muted); line-height:1.5;}
/* Tool Layouts */
.tool-header{
display:flex; align-items:center; justify-content:space-between;
padding:16px 28px; border-bottom:1px solid var(--border);
background:rgba(10,14,26,0.5);
}
.tool-header-left{display:flex; align-items:center; gap:14px;}
.tool-header-icon{width:28px; height:28px;}
.tool-header-title h2{font-size:16px; font-weight:600; line-height:1;}
.tool-header-title p{font-size:10px; font-family:'JetBrains Mono',monospace; color:var(--text-dim); letter-spacing:0.08em; text-transform:uppercase; margin-top:3px;}
.workspace{
flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:20px;
max-width:1800px;width:100%;margin:0 auto;
}
.workspace-single{grid-template-columns:1fr; max-width:1400px;}
.panel{
background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;
display:flex;flex-direction:column;overflow:hidden;position:relative;transition:border-color 0.3s;
}
.panel::before{
content:'';position:absolute;top:0;left:0;right:0;height:1px;
background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0.3;
}
.panel.partial::before{background:linear-gradient(90deg,transparent,var(--secondary),transparent)}
.panel.preview::before{background:linear-gradient(90deg,transparent,var(--success),transparent)}
.panel-header{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border)}
.panel-num{
font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;color:var(--accent);
background:rgba(251,191,36,0.1);padding:4px 8px;border-radius:4px;border:1px solid rgba(251,191,36,0.2);
}
.panel.partial .panel-num{color:var(--secondary);background:rgba(34,211,238,0.1);border-color:rgba(34,211,238,0.2)}
.panel.preview .panel-num{color:var(--success);background:rgba(52,211,153,0.1);border-color:rgba(52,211,153,0.2)}
.panel-header h3{font-size:14px;font-weight:600;letter-spacing:0.04em}
.panel-header p{font-size:10px;color:var(--text-dim);font-family:'JetBrains Mono',monospace;letter-spacing:0.08em;text-transform:uppercase;margin-top:2px}
.panel-status{
margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-muted);
padding:4px 10px;background:var(--bg-viewport);border-radius:4px;border:1px solid var(--border);
}
.viewport{
flex:1;min-height:300px;background:var(--bg-viewport);position:relative;
background-image:
linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
background-size:24px 24px;overflow:hidden;
display:flex; align-items:center; justify-content:center;
}
.viewport::after{
content:'';position:absolute;inset:0;
background:radial-gradient(ellipse at center,transparent 40%,rgba(0,0,0,0.4) 100%);
pointer-events:none;
}
.viewport.delete-mode { cursor: crosshair; }
.viewport.delete-mode .preview-overlay path { pointer-events: stroke; cursor: not-allowed; }
#svg-partial{cursor:crosshair}
.viewport-controls {
position: absolute; top: 8px; right: 8px;
display: flex; flex-direction: column; gap: 6px; z-index: 20;
}
.ctrl-btn {
width: 32px; height: 32px; border-radius: 5px;
border: 1px solid var(--border-strong); background: rgba(10,14,26,0.85);
color: var(--text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center;
transition: all 0.2s; font-family: inherit;
}
.ctrl-btn:hover{color:var(--accent);border-color:var(--accent)}
.ctrl-btn svg{width:16px;height:16px;}
.ctrl-btn.disabled{opacity:0.3;pointer-events:none;}
.ctrl-btn.active{color:var(--warning);border-color:var(--warning);}
.drop-zone{
position:absolute;inset:20px;border:2px dashed var(--border-strong);
border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;
cursor:pointer;transition:all 0.2s;z-index:10;background:rgba(10,14,26,0.5);
}
.drop-zone:hover, .drop-zone.drag-over{border-color:var(--accent);background:rgba(251,191,36,0.05)}
.drop-zone.hidden{display:none}
.drop-zone-icon{font-size:3rem;color:var(--text-dim);margin-bottom:10px}
.drop-zone-text{font-size:0.95rem;color:var(--text-muted)}
.drop-zone-hint{font-size:0.8rem;color:var(--text-dim);margin-top:6px;}
.preview-wrapper{
position:relative;width:100%;height:100%;display:none;align-items:center;justify-content:center;
z-index:1; overflow:hidden;
}
.preview-wrapper.active{display:flex;}
.preview-content {
position: relative; transform-origin: center center;
transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
max-width: 100%; max-height: 100%; display: flex; align-items: center; justify-content: center;
}
.preview-content.panning { transition: none; }
.preview-wrapper img{
max-width: 100%; max-height: 100%; display: block;
filter:drop-shadow(0 4px 20px rgba(0,0,0,0.5)); transition: opacity 0.3s;
}
.preview-overlay{
position:absolute; top:0; left:0; width:100%; height:100%;
pointer-events:none; transition: opacity 0.3s;
}
.preview-overlay svg{
width: 100%; height: 100%; display:block;filter:drop-shadow(0 0 6px var(--accent-glow));
}
#processingCanvas{display:none}
.controls{
padding:14px 16px 16px;display:flex;flex-direction:column;gap:12px;
border-top:1px solid var(--border);background:rgba(0,0,0,0.15);
}
.page-controls {
display: flex; gap: 10px; align-items: center;
background: var(--bg-elev-2); padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border);
}
.page-controls button {
background: transparent; border: 1px solid var(--border-strong); color: var(--text-muted);
border-radius: 4px; padding: 4px 10px; cursor: pointer; transition: all 0.2s;
}
.page-controls button:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); }
.page-controls button:disabled { opacity: 0.3; cursor: not-allowed; }
.page-controls span { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text); margin-left: auto; }
.mode-switcher{
display:flex;background:var(--bg-viewport);border:1px solid var(--border);
border-radius:6px;padding:3px;gap:3px;
}
.btn-mode{
flex:1;background:transparent;border:none;color:var(--text-muted);
font-size:10px;font-weight:600;letter-spacing:0.05em;text-transform:uppercase;
padding:6px 0;border-radius:4px;cursor:pointer;transition:all 0.2s;font-family:inherit;
}
.btn-mode.active{background:var(--bg-elev-2);color:var(--accent);box-shadow:0 1px 2px rgba(0,0,0,0.3)}
.bg-selector{display:grid;grid-template-columns:repeat(2, 1fr);gap:6px;}
.btn-bg{
background:var(--bg-elev-2);border:1px solid var(--border-strong);color:var(--text-muted);
font-size:10px;font-weight:600;letter-spacing:0.05em;text-transform:uppercase;
padding:8px 4px;border-radius:5px;cursor:pointer;transition:all 0.2s;font-family:inherit;
display:flex;align-items:center;justify-content:center;gap:5px;
}
.btn-bg:hover{border-color:var(--accent);color:var(--text)}
.btn-bg.active{background:rgba(251,191,36,0.12);border-color:var(--accent);color:var(--accent)}
.target-color-row{
display:flex;align-items:center;justify-content:space-between;padding:8px 10px;
background:var(--bg-elev-2);border-radius:6px;border:1px solid var(--border);gap:10px;
}
.target-color-row label{font-size:11px;letter-spacing:0.04em;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;gap:8px;}
.target-color-row input[type="color"]{
width:32px;height:20px;border:none;background:transparent;cursor:pointer;border-radius:3px;padding:0;
}
.target-color-row.disabled{opacity:0.3;pointer-events:none}
.toggle-row{
display:flex;align-items:center;justify-content:space-between;padding:8px 10px;
background:var(--bg-elev-2);border-radius:6px;border:1px solid var(--border);
}
.toggle-row label{font-size:11px;letter-spacing:0.04em;color:var(--text-muted);cursor:pointer}
.toggle{position:relative;width:36px;height:20px;cursor:pointer}
.toggle input{opacity:0;width:0;height:0;position:absolute}
.toggle-track{position:absolute;inset:0;background:var(--bg);border:1px solid var(--border-strong);border-radius:10px;transition:all 0.25s}
.toggle-thumb{position:absolute;top:2px;left:2px;width:14px;height:14px;background:var(--text-dim);border-radius:50%;transition:all 0.25s}
.toggle input:checked ~ .toggle-track{background:rgba(34,211,238,0.2);border-color:var(--secondary)}
.toggle input:checked ~ .toggle-thumb{left:18px;background:var(--secondary);box-shadow:0 0 8px var(--secondary-glow)}
.control-group{display:flex;flex-direction:column;gap:6px;transition:opacity 0.2s}
.control-group.disabled{opacity:0.3;pointer-events:none}
.control-label{
display:flex;justify-content:space-between;align-items:center;
font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-muted);font-weight:500;
}
.control-value{
font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent);font-weight:600;
background:rgba(251,191,36,0.08);padding:2px 8px;border-radius:3px;border:1px solid rgba(251,191,36,0.15);
cursor:pointer;transition:all 0.15s;min-width:48px;text-align:center;user-select:none;
}
.control-value:hover{background:rgba(251,191,36,0.15);border-color:var(--accent)}
.control-value.editing{padding:0;border-color:var(--accent);background:var(--bg)}
.panel.partial .control-value{color:var(--secondary);background:rgba(34,211,238,0.08);border-color:rgba(34,211,238,0.15)}
.panel.partial .control-value:hover{background:rgba(34,211,238,0.15);border-color:var(--secondary)}
.control-value input{
width:100%;font-size:11px;font-family:'JetBrains Mono',monospace;background:transparent;
border:none;color:var(--accent);text-align:center;outline:none;padding:2px 4px;
}
.panel.partial .control-value input{color:var(--secondary)}
.slider-row{display:flex;gap:8px;align-items:center}
input[type="range"]{
-webkit-appearance:none;appearance:none;flex:1;height:4px;
background:var(--bg-elev-2);border-radius:2px;outline:none;cursor:pointer;
}
input[type="range"]::-webkit-slider-thumb{
-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;
background:var(--accent);cursor:pointer;border:2px solid var(--bg);
box-shadow:0 0 0 1px var(--accent),0 0 12px var(--accent-glow);transition:transform 0.15s;
}
input[type="range"]::-moz-range-thumb{
width:16px;height:16px;border-radius:50%;background:var(--accent);cursor:pointer;
border:2px solid var(--bg);box-shadow:0 0 0 1px var(--accent),0 0 12px var(--accent-glow);
}
input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.25)}
.panel.partial input[type="range"]::-webkit-slider-thumb{
background:var(--secondary);box-shadow:0 0 0 1px var(--secondary),0 0 12px var(--secondary-glow);
}
.panel.partial input[type="range"]::-moz-range-thumb{
background:var(--secondary);box-shadow:0 0 0 1px var(--secondary),0 0 12px var(--secondary-glow);
}
.slider-rtl{direction:rtl}
.btn-mini{
font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;padding:6px 12px;
border-radius:5px;border:1px solid var(--accent);background:rgba(251,191,36,0.08);
color:var(--accent);cursor:pointer;transition:all 0.2s;letter-spacing:0.05em;
text-transform:uppercase;white-space:nowrap;
}
.btn-mini:hover{background:var(--accent);color:#1a1305;box-shadow:0 0 16px var(--accent-glow)}
.panel.partial .btn-mini{border-color:var(--secondary);background:rgba(34,211,238,0.08);color:var(--secondary)}
.panel.partial .btn-mini:hover{background:var(--secondary);color:#051918;box-shadow:0 0 16px var(--secondary-glow)}
.preset-row{display:flex;gap:6px}
.btn-preset{
flex:1;font-family:inherit;font-size:9px;font-weight:600;letter-spacing:0.05em;
text-transform:uppercase;padding:7px 4px;border-radius:5px;border:1px solid var(--border-strong);
background:var(--bg-elev-2);color:var(--text-muted);cursor:pointer;transition:all 0.2s;
white-space:nowrap;
}
.btn-preset:hover{color:var(--text);border-color:var(--accent)}
.btn-preset.active{background:rgba(251,191,36,0.12);border-color:var(--accent);color:var(--accent)}
.panel.partial .btn-preset:hover{border-color:var(--secondary)}
.panel.partial .btn-preset.active{background:rgba(34,211,238,0.12);border-color:var(--secondary);color:var(--secondary)}
.action-row{
display:flex;gap:6px;align-items:center;margin-top:2px;padding-top:10px;
border-top:1px dashed var(--border);
}
.btn-icon{
flex:1;font-family:inherit;font-size:11px;font-weight:500;letter-spacing:0.06em;
text-transform:uppercase;padding:7px 10px;border-radius:5px;border:1px solid var(--border-strong);
background:var(--bg-elev-2);color:var(--text-muted);cursor:pointer;transition:all 0.2s;
display:flex;align-items:center;justify-content:center;gap:5px;
}
.btn-icon:hover:not(:disabled){color:var(--text);border-color:var(--text-muted)}
.btn-icon:disabled{opacity:0.3;cursor:not-allowed}
.btn-icon.danger:hover:not(:disabled){color:var(--warning);border-color:var(--warning)}
.action-info{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--text-dim);text-align:center;padding:0 6px;flex:0 0 auto;}
.preview-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-top:1px solid var(--border)}
.preview-stats-3{grid-template-columns:repeat(3,1fr);}
.stat{background:var(--bg-elev);padding:12px 10px;text-align:center}
.stat-label{display:block;font-size:9px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:4px;font-family:'JetBrains Mono',monospace}
.stat-value{display:block;font-family:'JetBrains Mono',monospace;font-size:16px;font-weight:600;color:var(--success)}
.stat-value.warn{color:var(--warning)} .stat-value.accent{color:var(--accent)}
.curve-legend{
display:flex;gap:10px;padding:8px 12px;border-top:1px solid var(--border);
justify-content:center;flex-wrap:wrap;
}
.curve-legend-item{display:flex;align-items:center;gap:4px;font-size:9px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;letter-spacing:0.05em}
.curve-legend-swatch{width:12px;height:3px;border-radius:2px}
.legend{display:flex;gap:14px;padding:8px 16px;border-top:1px solid var(--border);justify-content:center}
.legend-item{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;letter-spacing:0.05em;text-transform:uppercase}
.legend-swatch{width:18px;height:3px;border-radius:2px}
.legend-swatch.original{background:repeating-linear-gradient(90deg,var(--text-dim) 0 4px,transparent 4px 7px);opacity:0.7}
.legend-swatch.simplified{background:var(--success);box-shadow:0 0 6px var(--success)}
.path-original{fill:none;stroke:rgba(255,255,255,0.15);stroke-width:1;stroke-dasharray:3 3}
.path-global{fill:none;stroke:var(--accent);stroke-width:1.5;filter:drop-shadow(0 0 3px var(--accent-glow))}
.path-partial{fill:none;stroke:var(--secondary);stroke-width:1.5;filter:drop-shadow(0 0 3px var(--secondary-glow))}
.path-preview-orig{fill:rgba(255,255,255,0.02);stroke:rgba(255,255,255,0.25);stroke-width:1;stroke-dasharray:3 3}
.path-preview-simp{fill:rgba(52,211,153,0.06);stroke:var(--success);stroke-width:1.5;filter:drop-shadow(0 0 4px rgba(52,211,153,0.4))}
.point-marker{fill:rgba(255,255,255,0.3);stroke:none;transition:fill 0.15s;cursor:pointer}
.point-marker:hover{fill:var(--text)}
.point-marker.selected{fill:var(--secondary);filter:drop-shadow(0 0 4px var(--secondary-glow))}
.selection-rect{fill:rgba(34,211,238,0.08);stroke:var(--secondary);stroke-width:1;stroke-dasharray:3 2;pointer-events:none}
.selection-rect.subtract{fill:rgba(248,113,113,0.08);stroke:var(--warning);stroke-dasharray:3 2}
.toast-container{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:1000;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
background:var(--bg-elev);border:1px solid var(--border-strong);border-left:3px solid var(--accent);
border-radius:8px;padding:12px 20px;color:var(--text);font-size:13px;
box-shadow:0 12px 32px rgba(0,0,0,0.5);animation:toastIn 0.3s ease,toastOut 0.3s ease 2.7s forwards;
pointer-events:auto;max-width:400px;
}
.toast.warning{border-left-color:var(--warning)} .toast.success{border-left-color:var(--success)} .toast.info{border-left-color:var(--secondary)}
@keyframes toastIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes toastOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}
.processing-overlay{
position:absolute;inset:0;background:rgba(10,14,26,0.8);backdrop-filter:blur(4px);
display:flex;align-items:center;justify-content:center;z-index:30;opacity:0;
pointer-events:none;transition:opacity 0.2s;
}
.processing-overlay.active{opacity:1;pointer-events:auto}
.processing-spinner{width:32px;height:32px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hint-bar{
position:absolute;bottom:8px;left:8px;right:8px;
font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--text-dim);
letter-spacing:0.05em;text-align:center;pointer-events:none;
background:rgba(10,14,26,0.6);padding:4px 8px;border-radius:4px;
z-index: 20;
}
@media (max-width:1280px){
.workspace{grid-template-columns:1fr;gap:14px}
.viewport{min-height:260px}
}
</style>
</head>
<body>
<header class="app-header">
<div class="brand" id="main-brand">
<div class="brand-mark">
<svg viewBox="0 0 40 40">
<defs>
<linearGradient id="logoGrad" x1="0%" y1="0%" x2="100%" y2="100%">
<stop offset="0%" stop-color="#fbbf24"/><stop offset="100%" stop-color="#22d3ee"/>
</linearGradient>
</defs>
<path d="M 6 30 C 10 14, 18 26, 22 10 S 30 18, 34 8" fill="none" stroke="url(#logoGrad)" stroke-width="2" stroke-linecap="round"/>
<circle cx="6" cy="30" r="2" fill="#fbbf24"/>
<circle cx="22" cy="10" r="2" fill="#22d3ee"/>
<circle cx="34" cy="8" r="2" fill="#fbbf24"/>
</svg>
</div>
<div class="brand-text">
<h1>VECTOR LAB</h1>
<span id="brand-subtitle">SVG Processing Suite</span>
</div>
</div>
<div class="header-right">
<div class="local-badge">
<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect><path d="M7 11V7a5 5 0 0 1 10 0v4"></path></svg>
Fully Local Processing
</div>
<button class="btn btn-back" id="btn-back" style="display:none;">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="19" y1="12" x2="5" y2="12"></line><polyline points="12 19 5 12 12 5"></polyline></svg>
Back to Tools
</button>
</div>
</header>
<!-- DASHBOARD VIEW -->
<div class="view-container active" id="view-dashboard">
<div class="dashboard">
<div class="dash-intro">
<h2>Vector Manipulation Tools</h2>
<p>Self-contained browser utilities</p>
</div>
<div class="tools-grid">
<div class="tool-card cyan" data-tool="view-outline">
<div class="tool-icon">
<svg viewBox="0 0 40 40">
<path d="M 20 5 A 15 15 0 0 0 20 35 L 20 5 Z" fill="#fbbf24" stroke="none"/>
<path d="M 20 5 A 15 15 0 0 1 20 35" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-info">
<h3>Outline Tracer</h3>
<p>Convert raster images to clean SVG outlines. Uses marching squares and automatic background detection to generate precise vector paths.</p>
</div>
</div>
<div class="tool-card" data-tool="view-simplify">
<div class="tool-icon">
<svg viewBox="0 0 40 40">
<path d="M 5 30 Q 12 5, 20 25" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linecap="round"/>
<path d="M 20 25 L 27 10 L 35 25" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"/>
<circle cx="5" cy="30" r="2" fill="#fbbf24"/>
<circle cx="35" cy="25" r="2" fill="#22d3ee"/>
</svg>
</div>
<div class="tool-info">
<h3>Vector Simplifier</h3>
<p>Optimize SVG paths with curve-aware simplification. Reduces point count while preserving geometry using Visvalingam-Whyatt and recursive curve fitting.</p>
</div>
</div>
<div class="tool-card cyan" data-tool="view-image">
<div class="tool-icon">
<svg viewBox="0 0 40 40">
<rect x="6" y="6" width="28" height="28" rx="4" fill="none" stroke="#fbbf24" stroke-width="2.5"/>
<path d="M 12 20 Q 20 10, 28 20" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
<path d="M 12 28 L 28 28" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-info">
<h3>Image Tracer</h3>
<p>Convert full images to SVG vectors. Features edge detection, colorful region mapping, and blueprint centerline extraction.</p>
</div>
</div>
<div class="tool-card" data-tool="view-pdf">
<div class="tool-icon">
<svg viewBox="0 0 40 40">
<path d="M 10 5 H 25 L 30 10 V 35 H 10 Z" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linejoin="round"/>
<path d="M 15 20 H 25 M 15 25 H 20" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-info">
<h3>PDF Vector Extractor</h3>
<p>Extract native vector paths from PDF files. Convert embedded lines and curves directly to SVG format without rasterization.</p>
</div>
</div>
</div>
</div>
</div>
<!-- OUTLINE TRACER VIEW -->
<div class="view-container" id="view-outline">
<div class="tool-header">
<div class="tool-header-left">
<div class="tool-header-icon">
<svg viewBox="0 0 40 40">
<path d="M 20 5 A 15 15 0 0 0 20 35 L 20 5 Z" fill="#fbbf24" stroke="none"/>
<path d="M 20 5 A 15 15 0 0 1 20 35" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-header-title">
<h2>Outline Tracer</h2>
<p>Marching squares · curve fitting</p>
</div>
</div>
<div class="header-right">
<label class="btn" style="position:relative;overflow:hidden;cursor:pointer;display:inline-flex;">
Load Image<input type="file" id="file-input-outline" accept="image/*" style="position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;">
</label>
<button class="btn primary" id="btn-export-outline" disabled>Export SVG</button>
</div>
</div>
<div class="workspace workspace-single">
<section class="panel global" id="panel-outline">
<header class="panel-header">
<span class="panel-num">01</span>
<div><h3>Image Tracer</h3><p>Marching squares · curve fitting</p></div>
<span class="panel-status" id="outline-status">No image</span>
</header>
<div class="viewport" id="viewport-outline">
<div class="drop-zone" id="drop-zone-outline">
<span class="drop-zone-icon">🖼️</span>
<span class="drop-zone-text">Drop, Paste, or Click to browse</span>
<span class="drop-zone-hint">PNG, JPG, WebP, GIF (Ctrl+V supported)</span>
</div>
<div class="preview-wrapper" id="preview-wrapper-outline">
<div class="preview-content" id="preview-content-outline">
<img id="preview-image-outline" alt="Preview">
<div class="preview-overlay" id="preview-overlay-outline"></div>
</div>
</div>
<canvas id="processingCanvas" hidden></canvas>
<div class="viewport-controls">
<button class="ctrl-btn" id="btn-reset-zoom-outline" title="Reset view">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
<button class="ctrl-btn" id="btn-toggle-img-outline" title="Toggle Image Visibility">
<svg id="eye-open-outline" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>
<svg id="eye-closed-outline" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:none;"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path><line x1="1" y1="1" x2="23" y2="23"></line></svg>
</button>
<button class="ctrl-btn" id="btn-view-mode-outline" title="Cycle View Mode (Both / Image / Vector)">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"></polygon><polyline points="2 17 12 22 22 17"></polyline><polyline points="2 12 12 17 22 12"></polyline></svg>
</button>
</div>
<div class="hint-bar" id="hint-bar-outline" style="display:none;">ctrl+scroll = zoom · mid-drag = pan · ctrl+v = paste image</div>
<div class="processing-overlay" id="outline-processing"><div class="processing-spinner"></div></div>
</div>
<div class="controls">
<div class="bg-selector">
<button class="btn-bg active" data-bg="auto" data-tool="outline">Auto</button>
<button class="btn-bg" data-bg="white" data-tool="outline">White</button>
<button class="btn-bg" data-bg="transparent" data-tool="outline">Transparent</button>
<label class="btn-bg color-pick" id="bg-color-label-outline">
<input type="color" id="bg-color-input-outline" value="#ffffff">
<span>Pick Color</span>
</label>
</div>
<div class="mode-switcher">
<button class="btn-mode" data-mode="line" data-tool="outline">Line Mode</button>
<button class="btn-mode active" data-mode="curve" data-tool="outline">Curve Mode</button>
</div>
<div class="control-group" id="outline-point-group">
<div class="control-label"><span>Point Count</span><span class="control-value" id="outline-point-value">100%</span></div>
<div class="slider-row">
<input type="range" id="outline-point-slider" class="slider-rtl" min="1" max="100" value="100" step="1">
</div>
</div>
<div class="control-group">
<div class="control-label"><span>Diff Threshold (Curve Fit)</span><span class="control-value" id="outline-threshold-value">0.5%</span></div>
<div class="slider-row">
<input type="range" id="outline-threshold-slider" class="slider-rtl" min="0" max="30" value="0.5" step="0.1">
<button class="btn-mini" id="outline-auto-btn">Auto</button>
</div>
</div>
<div class="preset-row">
<button class="btn-preset" data-preset="quality_plus" data-tool="outline">Quality+</button>
<button class="btn-preset active" data-preset="quality" data-tool="outline">Quality</button>
<button class="btn-preset" data-preset="balanced" data-tool="outline">Balanced</button>
<button class="btn-preset" data-preset="simplicity" data-tool="outline">Simplicity</button>
</div>
</div>
<div class="preview-stats">
<div class="stat"><span class="stat-label">Original</span><span class="stat-value" id="outline-stat-original">— pts</span></div>
<div class="stat"><span class="stat-label">Current</span><span class="stat-value accent" id="outline-stat-current">— pts</span></div>
<div class="stat"><span class="stat-label">Reduction</span><span class="stat-value" id="outline-stat-reduction">— %</span></div>
<div class="stat"><span class="stat-label">Contours</span><span class="stat-value warn" id="outline-stat-contours">— </span></div>
</div>
</section>
</div>
</div>
<!-- SIMPLIFIER VIEW -->
<div class="view-container" id="view-simplify">
<div class="tool-header">
<div class="tool-header-left">
<div class="tool-header-icon">
<svg viewBox="0 0 40 40">
<path d="M 5 30 Q 12 5, 20 25" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linecap="round"/>
<path d="M 20 25 L 27 10 L 35 25" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"/>
</svg>
</div>
<div class="tool-header-title">
<h2>Vector Simplifier</h2>
<p>Curve-Aware SVG Simplification</p>
</div>
</div>
<div class="header-right">
<button class="btn" id="btn-sample">Load Sample</button>
<label class="btn" style="position:relative;overflow:hidden;cursor:pointer;display:inline-flex;">
Load SVG<input type="file" id="file-input-simplify" accept=".svg,image/svg+xml" style="position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;">
</label>
<button class="btn primary" id="btn-export-simplify">Export</button>
</div>
</div>
<div class="workspace">
<section class="panel global" id="panel-global">
<header class="panel-header">
<span class="panel-num">01</span>
<div><h3>Global Simplification</h3><p>Full path · curve fitting</p></div>
<span class="panel-status" id="global-status">— pts</span>
</header>
<div class="viewport" id="viewport-global">
<div class="drop-zone" id="drop-zone-simplify">
<span class="drop-zone-icon">📄</span>
<span class="drop-zone-text">Drop, Paste, or Click to browse</span>
<span class="drop-zone-hint">SVG files only</span>
<input type="file" id="file-input-simplify-hidden" accept=".svg,image/svg+xml" hidden>
</div>
<svg id="svg-global" viewBox="0 0 500 500" preserveAspectRatio="xMidYMid meet" style="display:none;"></svg>
<button class="ctrl-btn" id="btn-reset-zoom-global" title="Reset view" style="display:none;">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
<div class="processing-overlay" id="global-processing-simplify"><div class="processing-spinner"></div></div>
</div>
<div class="controls">
<div class="mode-switcher">
<button class="btn-mode" data-window="global" data-mode="line">Line Mode</button>
<button class="btn-mode active" data-window="global" data-mode="curve">Curve Mode</button>
</div>
<div class="control-group" id="global-point-group">
<div class="control-label"><span>Point Count</span><span class="control-value" id="global-point-value">100%</span></div>
<div class="slider-row">
<input type="range" id="global-point-slider" class="slider-rtl" min="1" max="100" value="100" step="1">
<button class="btn-mini" id="global-apply">Apply</button>
</div>
</div>
<div class="control-group">
<div class="control-label"><span>Diff Threshold</span><span class="control-value" id="global-threshold-value">0.5%</span></div>
<div class="slider-row">
<input type="range" id="global-threshold-slider" class="slider-rtl" min="0" max="30" value="0.5" step="0.1">
<button class="btn-mini" id="global-auto">Auto</button>
</div>
</div>
<div class="preset-row">
<button class="btn-preset" data-window="global" data-preset="quality_plus">Quality+</button>
<button class="btn-preset active" data-window="global" data-preset="quality">Quality</button>
<button class="btn-preset" data-window="global" data-preset="balanced">Balanced</button>
<button class="btn-preset" data-window="global" data-preset="simplicity">Simplicity</button>
</div>
<div class="action-row">
<button class="btn-icon" id="global-undo">← Undo</button>
<span class="action-info" id="global-history-info">0/0</span>
<button class="btn-icon" id="global-redo">Redo →</button>
</div>
</div>
</section>
<section class="panel partial" id="panel-partial">
<header class="panel-header">
<span class="panel-num">02</span>
<div><h3>Partial Simplification</h3><p>Drag · shift · ctrl</p></div>
<span class="panel-status" id="partial-status">0 selected</span>
</header>
<div class="viewport" id="viewport-partial">
<svg id="svg-partial" viewBox="0 0 500 500" preserveAspectRatio="xMidYMid meet" style="display:none;"></svg>
<button class="ctrl-btn" id="btn-reset-zoom-partial" title="Reset view" style="display:none;">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
<div class="hint-bar" id="hint-bar-partial" style="display:none;">drag = select · shift+click/drag = add · ctrl+click/drag = remove · ctrl+scroll = zoom · mid-drag = pan</div>
<div class="processing-overlay" id="partial-processing-simplify"><div class="processing-spinner"></div></div>
</div>
<div class="controls">
<div class="mode-switcher">
<button class="btn-mode" data-window="partial" data-mode="line">Line Mode</button>
<button class="btn-mode active" data-window="partial" data-mode="curve">Curve Mode</button>
</div>
<div class="control-group" id="partial-point-group">
<div class="control-label"><span>Point Count (Selection)</span><span class="control-value" id="partial-point-value">100%</span></div>
<div class="slider-row">
<input type="range" id="partial-point-slider" class="slider-rtl" min="1" max="100" value="100" step="1">
<button class="btn-mini" id="partial-apply">Apply</button>
</div>
</div>
<div class="control-group">
<div class="control-label"><span>Diff Threshold</span><span class="control-value" id="partial-threshold-value">0.5%</span></div>
<div class="slider-row">
<input type="range" id="partial-threshold-slider" class="slider-rtl" min="0" max="30" value="0.5" step="0.1">
<button class="btn-mini" id="partial-auto">Auto</button>
</div>
</div>
<div class="preset-row">
<button class="btn-preset" data-window="partial" data-preset="quality_plus">Quality+</button>
<button class="btn-preset active" data-window="partial" data-preset="quality">Quality</button>
<button class="btn-preset" data-window="partial" data-preset="balanced">Balanced</button>
<button class="btn-preset" data-window="partial" data-preset="simplicity">Simplicity</button>
</div>
<div class="action-row">
<button class="btn-icon" id="partial-undo">← Undo</button>
<button class="btn-icon danger" id="partial-delete" style="flex: 0.5;">Delete</button>
<span class="action-info" id="partial-history-info">0/0</span>
<button class="btn-icon" id="partial-redo">Redo →</button>
</div>
</div>
</section>
<section class="panel preview" id="panel-preview">
<header class="panel-header">
<span class="panel-num">03</span>
<div><h3>Preview</h3><p>Original vs Simplified</p></div>
<span class="panel-status" id="preview-status">— % diff</span>
</header>
<div class="viewport" id="viewport-preview">
<svg id="svg-preview" viewBox="0 0 500 500" preserveAspectRatio="xMidYMid meet" style="display:none;"></svg>
<button class="ctrl-btn" id="btn-reset-zoom-preview" title="Reset view" style="display:none;">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
</div>
<div class="preview-stats preview-stats-3">
<div class="stat"><span class="stat-label">Original</span><span class="stat-value" id="stat-original">— pts</span></div>
<div class="stat"><span class="stat-label">Current</span><span class="stat-value accent" id="stat-current">— pts</span></div>
<div class="stat"><span class="stat-label">Reduction</span><span class="stat-value" id="stat-reduction">— %</span></div>
</div>
<div class="curve-legend" id="curve-legend">
<div class="curve-legend-item"><span class="curve-legend-swatch" style="background:var(--curve-l)"></span><span id="count-L">L 0</span></div>
<div class="curve-legend-item"><span class="curve-legend-swatch" style="background:var(--curve-q)"></span><span id="count-Q">Q 0</span></div>
<div class="curve-legend-item"><span class="curve-legend-swatch" style="background:var(--curve-c)"></span><span id="count-C">C 0</span></div>
<div class="curve-legend-item"><span class="curve-legend-swatch" style="background:var(--curve-a)"></span><span id="count-A">A 0</span></div>
</div>
<div class="legend">
<div class="legend-item"><span class="legend-swatch original"></span><span>Original</span></div>
<div class="legend-item"><span class="legend-swatch simplified"></span><span>Simplified</span></div>
</div>
</section>
</div>
</div>
<!-- IMAGE TRACER VIEW -->
<div class="view-container" id="view-image">
<div class="tool-header">
<div class="tool-header-left">
<div class="tool-header-icon">
<svg viewBox="0 0 40 40">
<rect x="6" y="6" width="28" height="28" rx="4" fill="none" stroke="#fbbf24" stroke-width="2.5"/>
<path d="M 12 20 Q 20 10, 28 20" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
<path d="M 12 28 L 28 28" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-header-title">
<h2>Image Tracer</h2>
<p>Edge detection · skeletonization · curve fitting</p>
</div>
</div>
<div class="header-right">
<label class="btn" style="position:relative;overflow:hidden;cursor:pointer;display:inline-flex;">
Load Image<input type="file" id="file-input-image" accept="image/*" style="position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;">
</label>
<button class="btn primary" id="btn-export-image" disabled>Export SVG</button>
</div>
</div>
<div class="workspace workspace-single">
<section class="panel global" id="panel-image">
<header class="panel-header">
<span class="panel-num">01</span>
<div><h3>Image Vectorizer</h3><p>Edge detection · skeletonization · curve fitting</p></div>
<span class="panel-status" id="image-status">No image</span>
</header>
<div class="viewport" id="viewport-image">
<div class="drop-zone" id="drop-zone-image">
<span class="drop-zone-icon">🖼️</span>
<span class="drop-zone-text">Drop, Paste, or Click to browse</span>
<span class="drop-zone-hint">PNG, JPG, WebP, GIF (Ctrl+V supported)</span>
</div>
<div class="preview-wrapper" id="preview-wrapper-image">
<div class="preview-content" id="preview-content-image">
<img id="preview-image-image" alt="Preview">
<div class="preview-overlay" id="preview-overlay-image"></div>
</div>
</div>
<canvas id="processingCanvasImage" hidden></canvas>
<div class="viewport-controls">
<button class="ctrl-btn" id="btn-reset-zoom-image" title="Reset view">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
<button class="ctrl-btn" id="btn-toggle-img-image" title="Toggle Image Visibility">
<svg id="eye-open-image" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>
<svg id="eye-closed-image" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:none;"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path><line x1="1" y1="1" x2="23" y2="23"></line></svg>
</button>
<button class="ctrl-btn" id="btn-view-mode-image" title="Cycle View Mode (Both / Image / Vector)">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"></polygon><polyline points="2 17 12 22 22 17"></polyline><polyline points="2 12 12 17 22 12"></polyline></svg>
</button>
</div>
<div class="hint-bar" id="hint-bar-image" style="display:none;">ctrl+scroll = zoom · mid-drag = pan · ctrl+v = paste image</div>
<div class="processing-overlay" id="image-processing"><div class="processing-spinner"></div></div>
</div>
<div class="controls">
<div class="toggle-row">
<label for="colorful-toggle">Colorful Tracing (Fill Regions)</label>
<label class="toggle"><input type="checkbox" id="colorful-toggle"><span class="toggle-track"></span><span class="toggle-thumb"></span></label>
</div>
<div class="toggle-row">
<label for="target-color-toggle">Target Line Color (Blueprint Mode)</label>
<label class="toggle"><input type="checkbox" id="target-color-toggle"><span class="toggle-track"></span><span class="toggle-thumb"></span></label>
</div>
<div class="target-color-row disabled" id="target-color-row">
<label for="bg-color-input-image">Pick Target Color</label>
<input type="color" id="bg-color-input-image" value="#22d3ee">
</div>
<div class="control-group" id="target-tolerance-group" style="display:none;">
<div class="control-label"><span>Target Tolerance</span><span class="control-value" id="target-tolerance-value">15%</span></div>
<div class="slider-row">
<input type="range" id="target-tolerance-slider" min="1" max="100" value="15" step="1">
</div>
</div>
<div class="control-group" id="color-threshold-group">
<div class="control-label"><span>Color Difference Threshold</span><span class="control-value" id="color-threshold-value">5%</span></div>
<div class="slider-row">
<input type="range" id="color-threshold-slider" min="1" max="100" value="5" step="1">
</div>
</div>
<div class="control-group" id="line-width-group">
<div class="control-label"><span>Line Width (Connect Gaps)</span><span class="control-value" id="line-width-value">1 px</span></div>
<div class="slider-row">
<input type="range" id="line-width-slider" min="0" max="10" value="1" step="1">
</div>
</div>
<div class="mode-switcher">
<button class="btn-mode" data-mode="line" data-tool="image">Line Mode</button>
<button class="btn-mode active" data-mode="curve" data-tool="image">Curve Mode</button>
</div>
<div class="control-group" id="image-point-group">
<div class="control-label"><span>Point Count</span><span class="control-value" id="image-point-value">100%</span></div>
<div class="slider-row">
<input type="range" id="image-point-slider" class="slider-rtl" min="1" max="100" value="100" step="1">
</div>
</div>
<div class="control-group">
<div class="control-label"><span>Diff Threshold (Curve Fit)</span><span class="control-value" id="image-threshold-value">0.5%</span></div>
<div class="slider-row">
<input type="range" id="image-threshold-slider" class="slider-rtl" min="0" max="30" value="0.5" step="0.1">
<button class="btn-mini" id="image-auto-btn">Auto</button>
</div>
</div>
<div class="preset-row">
<button class="btn-preset" data-preset="quality_plus" data-tool="image">Quality+</button>
<button class="btn-preset active" data-preset="quality" data-tool="image">Quality</button>
<button class="btn-preset" data-preset="balanced" data-tool="image">Balanced</button>
<button class="btn-preset" data-preset="simplicity" data-tool="image">Simplicity</button>
</div>
</div>
<div class="preview-stats">
<div class="stat"><span class="stat-label">Original</span><span class="stat-value" id="image-stat-original">— pts</span></div>
<div class="stat"><span class="stat-label">Current</span><span class="stat-value accent" id="image-stat-current">— pts</span></div>
<div class="stat"><span class="stat-label">Reduction</span><span class="stat-value" id="image-stat-reduction">— %</span></div>
<div class="stat"><span class="stat-label">Contours</span><span class="stat-value warn" id="image-stat-contours">— </span></div>
</div>
</section>
</div>
</div>
<!-- PDF EXTRACTOR VIEW -->
<div class="view-container" id="view-pdf">
<div class="tool-header">
<div class="tool-header-left">
<div class="tool-header-icon">
<svg viewBox="0 0 40 40">
<path d="M 10 5 H 25 L 30 10 V 35 H 10 Z" fill="none" stroke="#fbbf24" stroke-width="2.5" stroke-linejoin="round"/>
<path d="M 15 20 H 25 M 15 25 H 20" fill="none" stroke="#22d3ee" stroke-width="2.5" stroke-linecap="round"/>
</svg>
</div>
<div class="tool-header-title">
<h2>PDF Vector Extractor</h2>
<p>Native path extraction · curve fitting</p>
</div>
</div>
<div class="header-right">
<label class="btn" style="position:relative;overflow:hidden;cursor:pointer;display:inline-flex;">
Load PDF<input type="file" id="file-input-pdf" accept="application/pdf" style="position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;">
</label>
<button class="btn primary" id="btn-export-pdf" disabled>Export SVG</button>
</div>
</div>
<div class="workspace workspace-single">
<section class="panel global" id="panel-pdf">
<header class="panel-header">
<span class="panel-num">01</span>
<div><h3>PDF Vector Extractor</h3><p>Native path extraction · curve fitting</p></div>
<span class="panel-status" id="pdf-status">No PDF</span>
</header>
<div class="viewport" id="viewport-pdf">
<div class="drop-zone" id="drop-zone-pdf">
<span class="drop-zone-icon">📄</span>
<span class="drop-zone-text">Drop PDF here or click to browse</span>
<span class="drop-zone-hint">Extracts native vector lines and curves</span>
</div>
<div class="preview-wrapper" id="preview-wrapper-pdf">
<div class="preview-content" id="preview-content-pdf">
<img id="preview-image-pdf" alt="Preview">
<div class="preview-overlay" id="preview-overlay-pdf"></div>
</div>
</div>
<canvas id="processingCanvasPdf" hidden></canvas>
<div class="viewport-controls">
<button class="ctrl-btn" id="btn-reset-zoom-pdf" title="Reset view">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" y1="3" x2="14" y2="10"></line><line x1="3" y1="21" x2="10" y2="14"></line></svg>
</button>
<button class="ctrl-btn" id="btn-toggle-img-pdf" title="Toggle Image Visibility">
<svg id="eye-open-pdf" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>
<svg id="eye-closed-pdf" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:none;"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"></path><line x1="1" y1="1" x2="23" y2="23"></line></svg>
</button>
<button class="ctrl-btn" id="btn-view-mode-pdf" title="Cycle View Mode (Both / Image / Vector)">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"></polygon><polyline points="2 17 12 22 22 17"></polyline><polyline points="2 12 12 17 22 12"></polyline></svg>
</button>
<button class="ctrl-btn" id="btn-delete-mode" title="Toggle Delete Mode (Click vectors to delete)">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>
</button>
</div>
<div class="hint-bar" id="hint-bar-pdf" style="display:none;">ctrl+scroll = zoom · mid-drag = pan · delete mode = click to remove paths</div>
<div class="processing-overlay" id="pdf-processing"><div class="processing-spinner"></div></div>
</div>
<div class="controls">
<div class="page-controls">
<button id="btn-prev-page" disabled>← Prev Page</button>
<button id="btn-next-page" disabled>Next Page →</button>
<span id="page-info">Page 0 / 0</span>
<button id="btn-calc-pdf" class="btn-mini" style="margin-left: auto;" disabled>Calculate</button>
</div>
<div class="toggle-row">
<label for="simplify-toggle">Simplify Vectors (Curve Fit)</label>
<label class="toggle"><input type="checkbox" id="simplify-toggle"><span class="toggle-track"></span><span class="toggle-thumb"></span></label>
</div>
<div class="toggle-row">
<label for="color-toggle">Extract Color Data</label>
<label class="toggle"><input type="checkbox" id="color-toggle" checked><span class="toggle-track"></span><span class="toggle-thumb"></span></label>
</div>
<div class="mode-switcher">
<button class="btn-mode" data-mode="line" data-tool="pdf">Line Mode</button>
<button class="btn-mode active" data-mode="curve" data-tool="pdf">Curve Mode</button>
</div>
<div class="control-group" id="pdf-sample-group">
<div class="control-label"><span>Sample Resolution (Pts/Path)</span><span class="control-value" id="pdf-sample-value">400</span></div>
<div class="slider-row">
<input type="range" id="pdf-sample-slider" min="50" max="5000" value="400" step="50">
</div>
</div>
<div class="control-group" id="pdf-point-group">
<div class="control-label"><span>Point Count</span><span class="control-value" id="pdf-point-value">100%</span></div>
<div class="slider-row">
<input type="range" id="pdf-point-slider" class="slider-rtl" min="1" max="100" value="100" step="1">
</div>