@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700;800&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}:root{--paper:#f4f0e6;--paper-2:#e8e3d4;--paper-3:#fbf8f0;--ink:#1a1a1a;--ink-2:#404040;--muted:#8a8674;--line:#cdc7b3;--line-2:#dcd6c2;--accent:#c41e3a;--cyan:#0891b2;--ok:#15803d}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;line-height:1.5}button{font:inherit;cursor:pointer;color:inherit}input,select{font:inherit;color:inherit}.app-header{border-bottom:2px solid var(--ink);background:var(--paper);z-index:10;align-items:baseline;gap:16px;padding:14px 20px;display:flex;position:sticky;top:0}.app-header h1{letter-spacing:.12em;font-size:18px;font-weight:800}.app-header h1 .red{color:var(--accent)}.app-header .sub{color:var(--muted);text-transform:uppercase;letter-spacing:.15em;font-size:10px}.app-header .meta{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;gap:14px;margin-left:auto;font-size:10px;display:flex}.crosshair{width:12px;height:12px;display:inline-block;position:relative}.crosshair:before,.crosshair:after{content:"";background:var(--accent);position:absolute}.crosshair:before{width:1px;top:0;bottom:0;left:50%;transform:translate(-50%)}.crosshair:after{height:1px;top:50%;left:0;right:0;transform:translateY(-50%)}.app{grid-template-columns:440px 1fr;min-height:calc(100vh - 51px);display:grid}.controls{border-right:2px solid var(--ink);background:var(--paper);max-height:calc(100vh - 51px);padding:14px;overflow-y:auto}.preview-pane{background:radial-gradient(ellipse at top,var(--paper-3),var(--paper)) , var(--paper);flex-direction:column;justify-content:flex-start;align-items:center;gap:16px;padding:24px;display:flex}@media (width<=900px){.app{grid-template-columns:1fr}.controls{border-right:none;border-top:2px solid var(--ink);order:2;max-height:none}.preview-pane{order:1;padding:14px}.app-header h1{font-size:15px}.app-header .meta{display:none}}.group{border:1px solid var(--ink);background:var(--paper-3);margin-bottom:12px}.group-title{text-transform:uppercase;letter-spacing:.18em;background:var(--ink);color:var(--paper);align-items:center;gap:8px;padding:7px 10px;font-size:10px;font-weight:700;display:flex}.group-title .num{border:1px solid var(--paper);justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 4px;font-size:10px;font-weight:700;display:inline-flex}.group-title .tail{color:#999;margin-left:auto;font-weight:400}.group-body{padding:10px}.row{align-items:center;gap:8px;margin-bottom:8px;display:flex}.row:last-child{margin-bottom:0}.row label{text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);flex:none;min-width:60px;font-size:10px}input[type=number],input[type=text],select{border:1px solid var(--ink);background:var(--paper);outline:none;flex:1;padding:6px 8px;font-size:12px}input[type=number]:focus,input[type=text]:focus,select:focus{border-color:var(--accent);background:#fff}input[type=number]{flex:0 auto;width:80px}select{cursor:pointer}.suffix{color:var(--muted);min-width:18px;font-size:10px}.check{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;padding:6px 0;font-size:12px;display:flex}.check input{accent-color:var(--ink);cursor:pointer;width:16px;height:16px}.check small{color:var(--muted);margin-left:auto;font-size:10px}.segmented{border:1px solid var(--ink);margin-bottom:8px;display:flex}.segmented input{display:none}.segmented label{text-align:center;text-transform:uppercase;letter-spacing:.1em;cursor:pointer;border-right:1px solid var(--ink);background:var(--paper);flex:1;min-width:0;padding:6px 4px;font-size:10px}.segmented label:last-of-type{border-right:none}.segmented input:checked+label{background:var(--ink);color:var(--paper)}.dropzone{border:2px dashed var(--line);text-align:center;color:var(--muted);cursor:pointer;background:var(--paper-3);padding:20px 12px;font-size:11px;transition:all .12s}.dropzone:hover,.dropzone.drag{border-color:var(--accent);color:var(--ink);background:#fff}.dropzone strong{color:var(--ink);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px;font-size:12px;display:block}.dropzone .info{color:var(--muted);letter-spacing:.05em;margin-top:6px;font-size:10px}input[type=file]{display:none}.file-loaded{border:1px solid var(--ok);background:#f0fdf4;align-items:center;gap:10px;padding:10px;font-size:11px;display:flex}.file-loaded .name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.file-loaded .clear{border:1px solid var(--ink);background:0 0;width:22px;height:22px;font-size:14px;line-height:1}.file-loaded .clear:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.file-loaded .dim{border:1px solid var(--line);background:var(--paper);background-position:50%;background-repeat:no-repeat;background-size:contain;width:36px;height:36px}.btn{background:var(--ink);color:var(--paper);border:1px solid var(--ink);text-transform:uppercase;letter-spacing:.12em;width:100%;padding:11px 14px;font-size:11px;font-weight:700;transition:transform 50ms,background .12s}.btn:hover{background:var(--accent);border-color:var(--accent)}.btn:active{transform:scale(.98)}.btn:disabled{background:var(--line);border-color:var(--line);color:var(--muted);cursor:not-allowed;transform:none}.btn.secondary{background:var(--paper-3);color:var(--ink)}.btn.secondary:hover{background:var(--paper-2);color:var(--ink)}.btn-row{grid-template-columns:1fr 1fr;gap:8px;margin-top:4px;display:grid}.canvas-wrap{border:1px solid var(--line);background:#fff;max-width:100%;position:relative;box-shadow:0 4px 32px #0000001a,0 1px #0000000a}canvas{max-width:100%;height:auto;display:block}.stats{text-transform:uppercase;letter-spacing:.1em;color:var(--ink-2);flex-wrap:wrap;justify-content:center;gap:6px;font-size:10px;display:flex}.stat{border:1px solid var(--ink);background:var(--paper-3);align-items:center;gap:8px;padding:6px 10px;display:flex}.stat .lbl{color:var(--muted)}.stat .v{color:var(--ink);font-weight:700}.stat.hi{background:var(--ink);color:var(--paper)}.stat.hi .lbl{color:var(--line)}.stat.hi .v{color:var(--paper)}.empty{text-align:center;color:var(--muted);border:1px dashed var(--line);background:#fff;width:100%;max-width:480px;padding:60px 20px;font-size:12px}.empty .ascii{color:var(--line);white-space:pre;letter-spacing:.05em;margin-bottom:18px;font-size:9px;font-weight:700;line-height:1.2}.error-msg{border:1px solid var(--accent);color:var(--accent);background:#fee;margin-top:8px;padding:8px;font-size:11px}.notice{color:var(--muted);letter-spacing:.03em;padding:6px 0 0;font-size:10px;line-height:1.5}.notice b{color:var(--ink)}footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;letter-spacing:.1em;text-transform:uppercase;padding:14px 20px;font-size:10px}