@font-face{font-family:Avenue;src:url('./assets/AvenuePro-Regular.otf') format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:Avenue;src:url('./assets/AvenuePro-Light.otf') format('opentype');font-weight:300;font-display:swap}
:root{color-scheme:light;--surface:#e7ece8;--panel:#f6f8f5;--ink:#13382e;--secondary:#496156;--line:#bac9bf;--accent:#1c5141;--active:#fff;--focus:#22664f;--font:Avenue,Arial,sans-serif;--space:8px;--radius:12px;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}
body{margin:0;background:var(--surface);color:var(--ink);font:400 16px/1.45 var(--font);accent-color:var(--accent);caret-color:var(--accent)}
body[data-background=dark]{color-scheme:dark;--surface:#12231d;--panel:#1b3127;--ink:#eef4ef;--secondary:#b0c7b8;--line:#496053;--accent:#a9cbbb;--active:#13382e;--focus:#bedbc9}
::selection{background:var(--accent);color:var(--active)}
*{scrollbar-color:var(--line) var(--surface);scrollbar-width:thin}
button,input{font:inherit}
button{color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default;opacity:.45}
button,input{touch-action:manipulation}
button:focus-visible,input:focus-visible,#stage:not(.pointer-focus):focus-visible{outline:2px solid var(--focus);outline-offset:5px}
button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
button{transition:background-color .18s,color .18s}
button:hover:not(:disabled){background-color:color-mix(in srgb,var(--ink) 8%,transparent)}
[hidden]{display:none!important}
.workbench{min-height:100svh;display:grid;grid-template-rows:auto 1fr auto;padding:0 48px}
.masthead{display:flex;justify-content:space-between;align-items:center;min-height:104px;gap:24px}
.identity{display:flex;align-items:baseline;gap:20px}
h1{font-size:24px;font-weight:400;line-height:1.15;letter-spacing:-.025em;margin:0;text-wrap:balance}
.identity>span{font-size:14px;color:var(--secondary)}
.text-button,.icon-button{display:inline-flex;justify-content:center;align-items:center;gap:9px;border:0;background:none;border-radius:8px;min-height:44px;padding:10px 14px}
.text-button{font-size:15px}
.icon-button{width:44px;padding:10px}
main{display:flex;flex-direction:column;min-height:0}
.stage-wrap{position:relative;flex:1;min-height:390px}
#stage{position:absolute;inset:0;border-radius:var(--radius);cursor:grab;touch-action:none;overflow:hidden;outline:0;outline-offset:-4px;user-select:none;-webkit-user-select:none}
#stage.is-dragging{cursor:grabbing}
#stage canvas{display:block;width:100%;height:100%}
#fallback{position:absolute;height:76%;max-width:72%;object-fit:contain;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:7%}
.loading{position:absolute;bottom:0;left:0;width:100%;text-align:center;background:var(--surface);color:var(--secondary);font-size:14px;padding:8px}
.stage-caption{position:absolute;bottom:24px;left:0;right:0;display:flex;justify-content:space-between;color:var(--secondary);font-size:14px;pointer-events:none}
.interaction-area{text-align:center;padding:18px 0 24px;flex:none}
#gesture-help{margin:0 0 20px;color:var(--secondary);font-size:15px}
.controls{display:flex;justify-content:center;align-items:center;gap:12px}
.mode-selector{display:flex;border:1px solid var(--line);padding:4px;border-radius:var(--radius);gap:2px}
.mode{display:flex;align-items:center;justify-content:center;gap:9px;background:transparent;border:0;min-height:44px;padding:10px 16px;border-radius:8px;font-size:15px;white-space:nowrap}
.mode[aria-pressed=true]{background:var(--ink);color:var(--surface)}
.mode[aria-pressed=true]:hover{background:var(--accent)}
.solid-button{min-height:54px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);background:transparent;border-radius:var(--radius);font-size:15px;min-width:150px}
footer{display:flex;justify-content:space-between;align-items:center;min-height:64px;border-top:1px solid var(--line);font-size:12px;color:var(--secondary);gap:16px}
.status{margin:12px auto 0;min-height:20px;max-width:65ch;font-size:14px;color:var(--secondary)}
#sensor-tools{max-width:520px;margin:14px auto 0;color:var(--secondary)}
#sensor-status{font-size:14px;margin:4px 0 0;text-wrap:pretty}
#sensor-enable{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.zoom-controls{width:min(320px,100%);margin:20px auto 0;text-align:left}
.zoom-label{display:flex;align-items:center;justify-content:space-between;font-size:14px}
.zoom-label output{color:var(--secondary);font-variant-numeric:tabular-nums}
.zoom-range{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;gap:8px;align-items:center}
.zoom-range input[type=range]{margin:0;height:44px;background:linear-gradient(var(--line),var(--line)) center/100% 3px no-repeat}
.zoom-range input:disabled{opacity:.45;cursor:default}
.zoom-help{margin:4px 0 0;color:var(--secondary);font-size:13px}
#settings{position:fixed;right:32px;top:84px;width:320px;max-height:calc(100svh - 108px);overflow:auto;padding:24px;background:var(--panel);border-radius:var(--radius);box-shadow:0 16px 48px #081a1726;z-index:5}
.panel-title{display:flex;align-items:center;justify-content:space-between;margin:-8px -8px 20px 0}
h2{font-size:20px;line-height:1.2;letter-spacing:-.02em;font-weight:400;margin:0}
#settings label{display:flex;justify-content:space-between;margin:24px 0 10px;font-size:14px}
#settings output{color:var(--secondary);font-variant-numeric:tabular-nums}
input[type=range]{appearance:none;background:var(--line);height:3px;width:100%;margin:12px 0;cursor:pointer}
input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--ink);height:18px;width:18px;border-radius:50%;border:3px solid var(--panel);outline:1px solid var(--ink)}
input[type=range]::-moz-range-thumb{background:var(--ink);height:14px;width:14px;border-radius:50%;border:3px solid var(--panel);outline:1px solid var(--ink)}
.range-ends{display:flex;justify-content:space-between;font-size:12px;color:var(--secondary)}
.background-controls{display:flex;gap:4px;align-items:center;margin:24px 0}
.background-controls>span{font-size:14px;margin-right:auto}
.background-controls button{border:1px solid transparent;background:none;border-radius:8px;padding:8px 10px;font-size:14px;min-height:40px}
.background-controls button[aria-pressed=true]{border-color:var(--line)}
.export-button{display:flex;gap:8px;align-items:center;width:100%;min-height:48px;border:0;border-top:1px solid var(--line);padding:20px 0 12px;background:none;text-align:left;font-size:15px}
.export-button span{color:var(--secondary);font-size:13px}
.export-button svg{margin-left:auto}
.panel-note{font-size:13px;line-height:1.5;color:var(--secondary);margin:16px 0 0;text-wrap:pretty}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.no-script{padding:12px;text-align:center}
#mobile-dialog,#motion-dialog{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px 32px 20px;width:390px;max-width:calc(100% - 32px);max-height:calc(100svh - 32px);overflow:auto;text-align:center;box-shadow:0 16px 48px #081a1726}
#mobile-dialog::backdrop,#motion-dialog::backdrop{background:#081a1780;backdrop-filter:blur(4px)}
#mobile-close{position:absolute;top:8px;right:8px}
#mobile-title{font-size:23px;margin:12px 0}
#mobile-description,.mobile-instruction{font-size:14px;line-height:1.5;color:var(--secondary);margin:0 auto 20px;max-width:31ch}
.mobile-qr{display:block;width:246px;height:auto;max-width:100%;margin:0 auto 20px;border-radius:8px;background:white}
.mobile-instruction{font-size:13px;margin-bottom:16px}
#mobile-link{display:block;color:var(--ink);font-size:14px;text-underline-offset:4px;padding:10px;border-radius:8px}
#mobile-link:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
#mobile-copy{width:100%;margin-top:8px;min-height:44px}
#mobile-copy-status{font-size:12px;min-height:18px;margin:6px 0 0}
#sensor-here{font-size:12px;color:var(--secondary);margin-top:4px}
#motion-dialog{width:360px;padding:28px 24px 20px;text-align:left}
.motion-icon{display:block;width:32px;height:32px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
#motion-title{font-size:24px;font-weight:400;line-height:1.2;letter-spacing:-.025em;text-wrap:balance;margin:20px 0 12px}
#motion-description{font-size:16px;line-height:1.5;margin:0}
#motion-permission{color:var(--secondary);font-size:14px;line-height:1.5;margin:12px 0 0}
.motion-actions{display:grid;gap:4px;margin-top:24px}
#motion-activate{width:100%;min-height:48px;background:var(--ink);border-color:var(--ink);color:var(--panel)}
#motion-activate:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:var(--active)}
#motion-later{width:100%;color:var(--secondary)}
body:has(#motion-dialog[open]){overflow:hidden}
@media(min-height:780px) and (min-width:701px){.workbench{height:100svh}.stage-wrap{min-height:0}}
@media(min-width:900px) and (min-height:601px),(min-width:900px) and (pointer:fine){
  .workbench{height:100svh;min-height:620px}
  .masthead{min-height:80px}
  main{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;align-items:stretch}
  .stage-wrap{min-height:0;min-width:0}
  .interaction-area{align-self:center;padding:24px 0;text-align:left}
  #gesture-help{margin:0 0 24px;max-width:28ch;text-wrap:pretty}
  .controls{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:12px}
  .mode-selector{grid-column:1/-1;flex-direction:column;margin-bottom:8px}
  .mode{justify-content:flex-start;min-height:48px;padding:12px 16px}
  #flip{min-width:0;width:100%}
  .zoom-controls{width:100%;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
  .interaction-area .status{margin-top:16px}
  #sensor-tools{margin:20px 0 0}
  #sensor-tools .text-button{padding-inline:8px}
  footer{min-height:48px}
}
@media(max-width:700px),(max-height:600px) and (pointer:coarse){
  .workbench{display:block;height:auto;padding:env(safe-area-inset-top) max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));min-height:100svh}
  .masthead{min-height:56px;gap:12px}
  .identity{display:block}h1{font-size:21px}.identity>span{display:none}
  #settings-toggle{padding-right:0}
  .stage-wrap{flex:none;min-height:0;height:72svh;margin-inline:-16px}
  .stage-caption,footer{display:none}
  #fallback{height:min(66.667svh,calc(100% - 24px));max-width:calc(100% - 32px)}
  .interaction-area{display:flex;flex-direction:column;padding:0 0 max(12px,env(safe-area-inset-bottom))}
  #gesture-help{font-size:13px;margin:0 0 8px}
  .controls{flex-wrap:wrap;gap:6px 8px;order:2}
  .mode-selector{flex-basis:100%;justify-content:space-between}
  .mode{flex:1;font-size:13px;padding:10px 7px;gap:6px}.mode svg{width:18px;height:18px}
  .solid-button{min-height:44px;min-width:144px;padding:10px 20px}
  .zoom-controls{order:3;margin-top:14px}
  .status{order:4}.status:empty{display:none}
  .workbench[data-mode=sensor] #gesture-help{display:none}
  #sensor-tools{order:1;margin:0 0 10px;max-width:none}
  #sensor-status{margin:2px 0 0;font-size:13px}
  #settings{top:calc(56px + env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));width:min(320px,calc(100% - 32px));max-height:calc(100svh - 72px - env(safe-area-inset-top))}
}
@media(orientation:landscape) and (max-height:600px) and (pointer:coarse){
  main{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,34%);gap:24px;align-items:center}
  .stage-wrap{height:calc(100svh - 72px - env(safe-area-inset-top));margin-inline:0}
  .interaction-area{padding:12px 0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}