:root{--portal-header: #494747;--portal-sidebar: #7d7b7b;--portal-button: #4a4a4a;--portal-hover: #666;--portal-active: #2f5e7d;--portal-paper: #f3f3f3;--portal-ink: #202020;--portal-rule: #b6b4b4;--portal-rail-width: 170px;color:var(--portal-ink);background:var(--portal-header);font-family:Times New Roman,Times,serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-width:320px}button,input,select{font:13px Arial,sans-serif}button{border:0}h1,h2,p{margin-top:0}h2{margin-bottom:8px;font-size:18px;line-height:1.1}button:focus-visible,select:focus-visible,summary:focus-visible,canvas:focus-visible,.file-control:focus-within .file-button{outline:3px solid #9ed7ff;outline-offset:2px}.app-shell{display:grid;grid-template-columns:var(--portal-rail-width) minmax(0,1fr);grid-template-rows:50px minmax(0,1fr);grid-template-areas:"header header" "controls map";height:100vh;height:100dvh;overflow:hidden}.app-header{grid-area:header;position:relative;display:flex;align-items:center;justify-content:center;padding:0 12px;background:var(--portal-header);z-index:2}.app-header h1{margin:0;color:#fff;font-size:30px;font-weight:400}.build-badge{position:absolute;right:12px;color:#ddd;font:11px Arial,sans-serif}.controls-panel{grid-area:controls;min-width:0;min-height:0;padding:10px;overflow:auto;overscroll-behavior:contain;background:var(--portal-sidebar);color:#111}.control-section{padding:0 0 12px;margin-bottom:12px;border-bottom:1px solid #696767}.control-section:last-child{border:0;margin-bottom:0}.file-control{position:relative}#dem-file{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.file-button,.controls-panel button{display:block;width:100%;margin:5px 0;padding:8px 5px;border:0;border-radius:3px;background:var(--portal-button);color:#fff;font:13px/1.25 Arial,sans-serif;text-align:center;cursor:pointer}.file-button{margin-top:0}.file-button:hover,button:hover:not(:disabled){background:var(--portal-hover)}.controls-panel .primary-action{font-weight:700}#grade-button.needs-regrade:not(:disabled){box-shadow:inset 0 0 0 1px #efbd6c;animation:regrade-pulse 2.4s ease-in-out infinite}@keyframes regrade-pulse{0%,to{box-shadow:inset 0 0 0 1px #efbd6c,0 0 #efbd6c00}50%{box-shadow:inset 0 0 0 1px #efbd6c,0 0 0 4px #efbd6c47}}@media(prefers-reduced-motion:reduce){#grade-button.needs-regrade:not(:disabled){animation:none}}button:disabled,select:disabled,.file-control:has(input:disabled) .file-button{cursor:not-allowed;opacity:.55}.file-control:has(input:disabled) .file-button{pointer-events:none}.edit-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px}.edit-actions button{margin-top:0;font-size:10px;padding:6px 2px}.dem-picker>button,.export-picker>button{position:relative}#upload-dem span,#export-design span{position:absolute;right:10px;font-size:17px;line-height:16px;transition:transform .15s}#upload-dem[aria-expanded=true] span,#export-design[aria-expanded=true] span{transform:rotate(90deg)}.dem-options{padding-left:8px;margin:0 0 8px 5px;border-left:2px solid #a6a3a3;animation:reveal-dem-options .15s ease-out}.dem-options button{font-size:12px}.controls-panel #new-polygon[aria-pressed=true]{background:var(--portal-active);opacity:1}@keyframes reveal-dem-options{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.dem-options{animation:none}#upload-dem span,#export-design span{transition:none}}.hint,.status{margin:7px 0 0;font:11px/1.35 Arial,sans-serif;overflow-wrap:anywhere}.status{padding:6px;border-radius:3px;background:#595757;color:#fff}.status:empty{display:none}.status[data-state=error]{color:#ffd1d1}.status[data-state=success]{color:#fff}.status[data-state=busy]{color:#fff1a8}.terrain-name{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:11px/1.4 Arial,sans-serif}.sidebar-details{margin-top:10px}.sidebar-details>summary{cursor:pointer;font:11px/1.4 Arial,sans-serif}.sidebar-details[open]>summary{margin-bottom:8px}.status[data-state=warning]{color:#fff1a8}.harvest-map-layer{padding:5px;margin-top:6px;background:#ffffff20;border-radius:3px;font:10px/1.3 Arial,sans-serif}.harvest-map-heading{display:flex;align-items:center;gap:4px;min-width:0}.harvest-map-heading input{margin:0;flex-shrink:0}.harvest-map-heading span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.harvest-map-opacity{display:flex;gap:5px;align-items:center;margin-top:5px}.harvest-map-opacity input{min-width:0;width:100%}.controls-panel .remove-map,.controls-panel .zoom-map{display:inline-block;margin:4px 4px 0 0;width:auto;padding:3px 5px;font-size:10px}.harvest-map-layer small{display:block;margin-top:4px}.slope-controls{display:grid;gap:8px;margin-bottom:8px}.slope-control{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:4px;min-width:0;font:12px Arial,sans-serif}.slope-control label{grid-column:1}.slope-control select{grid-column:1 / -1;grid-row:2;min-width:0;width:100%;padding:6px 3px;border:1px solid #555;border-radius:3px;background:#f8f8f8;color:#202020;font-size:12px;cursor:pointer}.slope-percent{grid-column:2;grid-row:1;font-size:10px;font-variant-numeric:tabular-nums}.slope-help{margin-top:8px}#near-vertical-hint{padding-left:6px;border-left:2px solid #292929}.map-workspace{grid-area:map;display:grid;min-width:0;min-height:0;isolation:isolate}.terrain-stage,.map-overlays{grid-area:1 / 1;min-width:0;min-height:0}.terrain-stage{position:relative;width:100%;height:100%;overflow:hidden;background:#1f2924}#terrain-canvas,.terrain-3d{position:absolute;inset:0;display:block;width:100%;height:100%}#terrain-canvas{touch-action:none;cursor:grab}#terrain-canvas.can-draw{cursor:crosshair}#terrain-canvas.is-panning,#terrain-canvas.is-editing-vertex{cursor:grabbing}.terrain-3d{background:#24332d}.terrain-3d canvas{display:block;width:100%;height:100%;touch-action:none}.map-overlays{z-index:1;display:flex;flex-direction:column;align-items:flex-end;gap:10px;padding:10px 10px 70px;overflow:hidden;pointer-events:none}.view-controls{flex:0 0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 10px;width:100%;color:#fff;font:11px Arial,sans-serif}.view-controls button{flex-shrink:0;padding:7px 9px;border:1px solid #777;border-radius:3px;color:#fff;background:var(--portal-button);font-size:11px;cursor:pointer;pointer-events:auto}.view-controls button[aria-pressed=true]{background:var(--portal-active);border-color:#b0c9db}.view-switch,.view-actions{display:flex;align-items:center;flex-wrap:wrap;gap:4px}.view-actions>span,.preview-hint{padding:5px 6px;border-radius:3px;color:#fff;background:#323131e6}.preview-hint{display:flex;flex-wrap:wrap;gap:4px 16px;flex-basis:100%}.preview-hint span{font-weight:700}.canvas-toolbar{position:absolute;right:10px;bottom:10px;left:10px;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 10px;border:1px solid #777;border-radius:3px;color:#fff;background:#323131f0;font:11px/1.35 Arial,sans-serif;pointer-events:none}#interaction-status{min-width:0;overflow-wrap:anywhere}#interaction-status[data-state=error]{color:#ffd1d1}.coordinate-badge{flex-shrink:0;color:#ddd;font-size:10px}.drop-message{position:absolute;inset:12px;display:none;place-items:center;padding:20px;border:2px dashed #eee;color:#fff;background:#323131f0;text-align:center;font:700 16px Arial,sans-serif;pointer-events:none}.terrain-stage.is-dragging .drop-message{display:grid}.results-panel{flex:0 1 auto;width:290px;max-width:100%;min-height:34px;overflow:auto;overscroll-behavior:contain;border:1px solid #999;border-radius:3px;background:var(--portal-paper);color:var(--portal-ink);font:12px Arial,sans-serif;pointer-events:auto;box-shadow:0 2px 7px #0003}.results-panel>summary{position:sticky;top:0;padding:9px 10px;background:var(--portal-button);color:#fff;cursor:pointer;user-select:none}.results-panel>summary:hover{background:var(--portal-hover)}.results-panel>summary span{float:right;font-size:10px;color:#ddd}#results-content{padding:12px}.result-heading{display:flex;align-items:start;justify-content:space-between;gap:8px;margin-bottom:10px}.result-heading h2{margin:0;font:700 16px Arial,sans-serif}.eyebrow{margin:0 0 3px;color:#616161;font:10px Arial,sans-serif}.result-state{flex-shrink:0;padding:4px 5px;border-radius:3px;color:#244b32;background:#dfe9e2;font-size:10px;font-weight:700}.result-state.stale{color:#6b4810;background:#f2e4bd}.result-grid{margin:0}.result-grid div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,auto);align-items:baseline;gap:8px;padding:8px 0;border-bottom:1px solid #d5d5d5}.result-grid dt{color:#565656;font-size:11px}.result-grid dd{margin:0;font-size:12px;font-weight:700;text-align:right;overflow-wrap:anywhere}.result-grid .cut-value dd{color:#a3472e}.result-grid .fill-value dd{color:#216985}.legend{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px;font-size:10px;color:#4f4f4f}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:9px;height:9px;flex-shrink:0;border-radius:1px}.legend .platform-cut{background:#ffad2f}.legend .batter-cut{background:#da4b35}.legend .platform-fill{background:#2d9cdb}.legend .batter-fill{background:#2acfc2}.preliminary-note{margin:12px 0 0;padding:8px;color:#615027;background:#eee6d2;font-size:10px;line-height:1.4}.empty-results{display:grid;justify-items:center;align-content:center;min-height:110px;color:#666;text-align:center}.empty-results h2{margin:7px 0;font:700 14px Arial,sans-serif}.empty-results p{margin:0;max-width:220px;font-size:11px;line-height:1.4}.result-icon{color:#555;font-size:22px}.submission-overlay{position:fixed;inset:0;z-index:20;display:grid;justify-items:end;overflow:hidden;font:13px Arial,sans-serif}.submission-backdrop{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#0008;cursor:pointer}.submission-panel{position:relative;width:min(470px,100vw);height:100%;padding:20px;overflow:auto;overscroll-behavior:contain;color:var(--portal-ink);background:var(--portal-paper);box-shadow:-5px 0 18px #0005;animation:reveal-submission .18s ease-out}@keyframes reveal-submission{0%{transform:translate(24px);opacity:0}to{transform:translate(0);opacity:1}}.submission-panel>header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.submission-panel h2{margin:0;font:700 22px Arial,sans-serif}.submission-panel h3{margin:0 0 7px;font:700 13px Arial,sans-serif}.submission-close{flex:0 0 auto;width:32px;height:32px;border-radius:3px;color:#fff;background:var(--portal-button);font-size:22px;line-height:1;cursor:pointer}.submission-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.submission-fields label{display:grid;gap:4px;min-width:0;color:#3d3d3d;font-size:11px;font-weight:700}.submission-fields .wide-field{grid-column:1 / -1}.submission-fields input,.submission-fields textarea{width:100%;min-width:0;padding:8px;border:1px solid #aaa;border-radius:3px;color:#202020;background:#fff;font:13px/1.35 Arial,sans-serif}.submission-fields textarea{resize:vertical}.submission-summary{margin-top:16px;padding:12px;border:1px solid #bbb;border-radius:3px;background:#e5e5e5}.submission-summary pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.45 Arial,sans-serif}.submission-summary p{margin:8px 0 0;color:#555;font-size:10px;line-height:1.4}.submission-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.submission-actions button{padding:10px;border-radius:3px;color:#fff;background:var(--portal-button);cursor:pointer}.submission-actions button:hover:not(:disabled),.submission-close:hover:not(:disabled){background:var(--portal-hover)}.submission-actions .primary-action{font-weight:700;background:var(--portal-active)}.bot-field{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);border:0}@media(prefers-reduced-motion:reduce){.submission-panel{animation:none}}@media(max-width:900px){.coordinate-badge{display:none}.view-actions>span{display:none}.build-badge{font-size:10px}}@media(max-width:720px){.app-shell{display:block;height:auto;overflow:visible}.app-header{min-height:50px}.build-badge{display:none}.controls-panel{display:grid;grid-template-columns:1fr 1fr;gap:12px;overflow:visible}.control-section{margin:0;min-width:0;padding-bottom:10px}.terrain-control{grid-column:1 / -1}.map-workspace{display:block;position:relative}.terrain-stage{height:500px}.map-overlays{display:contents}.view-controls{position:absolute;top:10px;left:10px;right:10px;width:auto;pointer-events:none}.results-panel{width:100%;max-height:none;border-radius:0;box-shadow:none}.canvas-toolbar{align-items:flex-start}.submission-panel{width:100vw;padding:16px}.submission-fields{grid-template-columns:1fr}.submission-fields .wide-field{grid-column:1}}