:root{color-scheme:light;--paper:#f4f2eb;--ink:#20312d;--muted:#63716b;--line:#cdd5cb;--green:#19695b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,-apple-system,sans-serif}main{max-width:1380px;margin:auto;padding:22px 28px}a{color:var(--green)}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}header p{margin:0;color:var(--muted);font-size:14px}h1{font:36px/1.15 Georgia,serif;margin:4px 0 8px}.workbench{border:1px solid var(--line);background:#fffdf7}.toolbar,.marking-controls,.search-controls{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line)}.toolbar .enforcement{margin-left:auto;font-weight:600}.marking-controls{background:#edf1e7}.marking-controls>span{font-size:14px;font-weight:650;margin-right:6px}label{display:flex;align-items:center;gap:7px;font-size:14px}button,input,select{font:inherit}button,select,input[type=number]{border:1px solid #b6c4b8;border-radius:4px;background:#fff;padding:7px 10px;color:var(--ink)}button{cursor:pointer}button.primary{background:var(--green);color:white;border-color:var(--green);min-width:108px}button[aria-pressed=true]{border-color:var(--green);background:#e3eee6}button:disabled,input:disabled,select:disabled{opacity:.5;cursor:default}input[type=number]{width:75px}input[type=checkbox],input[type=range]{accent-color:var(--green)}input[type=range]{width:80px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #c78834;outline-offset:3px}.hint{margin:0;padding:9px 16px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line)}.canvas-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;font-size:14px}.badge{font-size:13px;background:#edf2e8;border:1px solid var(--line);padding:3px 8px}canvas{display:block;width:100%;height:clamp(360px,59vh,760px);background:#eaece2;touch-action:none}.event{padding:9px 16px;border-top:1px solid var(--line);font-size:14px;min-height:44px;margin:0}.stats{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line)}.stats div{padding:10px 14px;border-right:1px solid var(--line)}.stats span{display:block;font-size:13px;color:var(--muted)}.stats strong{font:26px Georgia,serif}.prunes{padding:9px 16px;margin:0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.status{border-left:3px solid var(--green);padding:9px 14px;margin:16px 0;background:#ecf0e5;font-size:14px}footer{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--muted)}details{margin:16px 0;max-width:960px}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);font-size:14px}@media(max-width:760px){main{padding:14px 10px}header{align-items:flex-start;flex-direction:column;gap:4px}h1{font-size:30px}.toolbar,.marking-controls,.search-controls{padding:10px;gap:8px}.toolbar .enforcement{margin-left:0;flex-basis:100%}.stats{grid-template-columns:repeat(3,1fr)}.stats div{border-bottom:1px solid var(--line);padding:8px 12px}footer{flex-direction:column}canvas{height:54vh;min-height:330px}}

.canvas-wrap{position:relative}.point-tooltip{position:absolute;left:12px;bottom:12px;width:min(440px,calc(100% - 24px));max-height:75%;overflow:auto;padding:12px 14px;border:1px solid #aebfaf;border-radius:6px;background:#fffef7f5;box-shadow:0 4px 18px #20312d22;font-size:13px;pointer-events:none;overflow-wrap:anywhere}.point-tooltip[hidden]{display:none}.point-tooltip p{margin:4px 0}.point-coordinate{font:18px Georgia,serif}.point-detail{white-space:pre-line;color:var(--muted);border-top:1px solid var(--line);padding-top:6px}
.tile-picker{padding:1rem 1.2rem;border-bottom:1px solid #dce3da;background:#f6f8f2}.tile-picker-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.tile-picker-heading label{display:flex;gap:.5rem;align-items:center}.tile-groups{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.7rem}.tile-groups fieldset{border:1px solid #d2ddd3;border-radius:8px;padding:.4rem .6rem .6rem;margin:0;min-width:0}.tile-groups legend{font-size:.78rem;color:#52635a;padding:0 .3rem}.tile-options{display:flex;flex-wrap:wrap;gap:.35rem}.tile-option{display:grid;grid-template-columns:auto 1fr;align-items:center;justify-items:center;gap:.1rem .3rem;padding:.3rem .45rem;border-radius:5px;cursor:pointer;font-size:.72rem;background:#fff}.tile-option:has(input:checked){background:#e0eee4;outline:1px solid #91b39b}.tile-option svg{width:42px;height:42px}.tile-option polygon{fill:#c6d8c4;stroke:#34483f;stroke-width:1}.tile-option polyline{fill:none;stroke:#79543f;stroke-width:1}.tile-option span{grid-column:1/3}.tile-picker .hint{margin:.6rem 0 0}.tile-picker select{max-width:220px}@media(max-width:650px){.tile-picker{padding:.8rem}.tile-picker-heading{align-items:flex-start}.tile-groups{gap:.5rem}.tile-option{padding:.25rem}.tile-option svg{width:35px;height:35px}}

/* Controls stay beside the drawing; feedback belongs beneath it. */
.workbench{display:grid;grid-template-columns:290px minmax(0,1fr);align-items:start}
.control-panel{min-width:0;max-height:calc(clamp(480px,65vh,760px) + 210px);overflow:auto;border-right:1px solid var(--line);background:#f6f8f2}
.canvas-panel{min-width:0}
.control-panel .toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:14px}
.control-panel .toolbar button{min-width:0;padding:7px 5px;font-size:13px}
.control-panel #showMarking{grid-column:span 2}
.control-panel .toolbar .enforcement{grid-column:1/-1;margin:5px 0 0;font-size:13px}
.control-panel .tile-picker{padding:12px 14px}
.control-panel .tile-picker-heading{align-items:stretch;flex-direction:column;gap:7px}
.control-panel .tile-picker-heading label{justify-content:space-between}
.control-panel .tile-picker select{min-width:0;max-width:190px;font-size:13px}
.control-panel .tile-groups{flex-direction:column;gap:8px}
.control-panel .tile-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
.control-panel .tile-option{padding:3px;font-size:10px}
.control-panel .tile-option svg{width:36px;height:36px}
.control-panel .marking-controls{flex-direction:column;align-items:stretch;padding:12px 14px;gap:10px}
.control-panel .marking-controls>label{justify-content:space-between;font-size:13px}
.control-panel .marking-controls>label:has(input[type=checkbox]){justify-content:flex-start}
.control-panel .marking-controls select{min-width:0;max-width:170px;font-size:12px;padding:5px}
.control-panel .hint{font-size:12px;padding:9px 14px}
.control-panel .tile-picker .hint{padding:6px 0 0;border:0}
.canvas-panel canvas{height:clamp(480px,65vh,760px)}
.status-bar{display:flex;flex-direction:column-reverse;align-items:flex-start;gap:4px;padding:10px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.status-bar .badge{border:0;background:none;padding:0;font-size:15px;overflow-wrap:anywhere}
.status-bar strong{font-size:12px;font-weight:400;color:var(--muted)}
.canvas-panel .stats strong{font-size:23px}.canvas-panel .stats div{padding:9px 10px}.canvas-panel .stats span{font-size:11px}
@media(max-width:900px){.workbench{grid-template-columns:260px minmax(0,1fr)}.canvas-panel .stats{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.workbench{grid-template-columns:1fr}.control-panel{max-height:400px;border-right:0;border-bottom:1px solid var(--line)}.canvas-panel canvas{height:54vh;min-height:330px}}