:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#f4edd8;background:#386c7f;color-scheme:light}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none}
body{position:relative}
[hidden]{display:none!important}
#board{position:absolute;inset:0;display:block;touch-action:none;cursor:grab;outline:none}
#board:active{cursor:grabbing}
#board:focus-visible{outline:2px solid #efe1b3;outline-offset:-3px}
#gate{position:absolute;inset:0;z-index:10;display:grid;place-items:center;padding:24px;background:#386c7f}
.gate-card{width:min(100%,530px);padding:36px;background:#f4edd8;color:#3d3427;border:1px solid #d6c8ae;border-radius:8px}
.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:650;margin:0 0 20px}
h1{font-family:Georgia,serif;font-size:34px;font-weight:500;line-height:1.15;margin:0 0 16px}
p{line-height:1.55}
#setup-help{border-top:1px solid #d6c8ae;padding-top:16px;font-size:13px}
#prototype-caption{position:absolute;left:max(20px,env(safe-area-inset-left));top:max(18px,env(safe-area-inset-top));font-size:10px;font-weight:600;letter-spacing:.15em;pointer-events:none;opacity:.8}
#instructions{position:absolute;bottom:max(10px,env(safe-area-inset-bottom));left:14px;right:14px;text-align:center;font-size:12px;pointer-events:none;margin:0;opacity:.9}
#debug-panel{position:absolute;top:48px;right:18px;width:min(470px,calc(100% - 36px));max-height:75%;overflow:auto;background:#f4edd8;color:#3d3427;border:1px solid #d6c8ae;padding:16px;border-radius:6px}
.debug-heading{display:flex;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:.06em}
#metrics{font-size:12px}
button{font:inherit;font-size:12px;min-height:40px;border:1px solid #c7b99e;background:#e9dec3;color:#3d3427;border-radius:4px;padding:8px 10px;margin:0 4px 4px 0;cursor:pointer}
button:disabled{opacity:.55;cursor:wait}
button:focus-visible{outline:2px solid #386c7f;outline-offset:2px}
.debug-note{font-size:11px;line-height:1.45}
pre{white-space:pre-wrap;font-size:10px;overflow-wrap:anywhere;max-height:220px;overflow:auto}
@media(max-width:700px){.gate-card{padding:26px}h1{font-size:28px}#instructions{font-size:10px}#prototype-caption{font-size:9px}}

#gate[data-painted="true"]{background:rgba(28,58,64,.28)}

/* Inspection tools are not gameplay HUD. They only queue camera/uniform changes. */
#bloom-controls{position:absolute;left:max(18px,env(safe-area-inset-left));top:42px;display:flex;gap:6px}
#bloom-controls button{font-size:12px;min-height:42px;background:rgba(244,237,216,.93)}
@media(max-width:700px){#bloom-controls{left:12px;top:38px;gap:2px}#bloom-controls button{font-size:11px;padding:6px 8px}}

#island-select{max-width:160px;color:inherit;background:#223f46;border:1px solid #b9c3b7;border-radius:5px;padding:7px;font:inherit;pointer-events:auto;}
@media(max-width:550px){#bloom-controls{flex-wrap:wrap;justify-content:center;max-width:96vw;}#island-select{max-width:140px;}}

#quality-status{position:absolute;top:36px;left:14px;pointer-events:none;color:#f2eee4;font:11px/1.4 system-ui,sans-serif;letter-spacing:.035em;opacity:.78;text-shadow:0 1px 3px #244452;}
@media(max-width:700px){#quality-status{top:29px;font-size:10px;}}

/* New environmental controls are presentation-only; no gameplay controls changed. */
#environment-controls{position:absolute;left:max(18px,env(safe-area-inset-left));bottom:max(40px,calc(env(safe-area-inset-bottom) + 28px));display:flex;align-items:center;gap:7px;font-size:12px}
#environment-controls select{font:inherit;color:#f4edd8;background:#223f46;border:1px solid #b9c3b7;border-radius:5px;padding:9px;min-height:40px}
#environment-controls button{margin:0;background:rgba(244,237,216,.93)}
#environment-controls label{text-shadow:0 1px 2px #244452}
@media(max-width:550px){#environment-controls{left:12px;gap:5px;font-size:11px;bottom:38px}}

/* Stage 2.15: informational only; no board layout or camera changes. */
#weather-status{font-size:11px;opacity:.82;white-space:nowrap;}
@media(max-width:700px){#weather-status{font-size:10px;flex-basis:100%;text-align:center;}}

@media(max-width:700px){#environment-controls{flex-wrap:wrap;max-width:calc(100vw - 24px);}#weather-status{order:5;}}

/* Stage 2.23: removable, read-only HTML diagnostics. No canvas/GPU effects. */
#dev-info-toggle{position:absolute;right:max(18px,env(safe-area-inset-right));top:10px;margin:0;min-height:32px;padding:6px 9px;background:rgba(244,237,216,.96);z-index:3;font-size:11px}
#debug-panel{top:50px;right:max(18px,env(safe-area-inset-right));width:min(342px,calc(100% - 36px));max-height:calc(100% - 146px);padding:13px 14px;z-index:3;background:rgba(244,237,216,.97);box-shadow:0 3px 14px rgba(20,45,50,.12);overscroll-behavior:contain;scrollbar-width:thin}
.dev-readout{margin:10px 0 8px;font-size:11px;line-height:1.5;font-variant-numeric:tabular-nums}
.dev-readout>div{display:grid;grid-template-columns:minmax(105px,.95fr) minmax(0,1.35fr);gap:8px;padding:2px 0}
.dev-readout dt{color:#655b4b}
.dev-readout dd{margin:0;text-align:right;overflow-wrap:anywhere;font-weight:600}
.dev-readout .dev-divider{margin-top:5px;padding-top:7px;border-top:1px solid #d6c8ae}
.dev-help{font-size:10px;line-height:1.45;color:#655b4b;margin:8px 0 10px}
#dev-details{border-top:1px solid #d6c8ae;padding-top:9px}
#dev-details summary{font-size:11px;cursor:pointer;min-height:24px}
#dev-details summary:focus-visible{outline:2px solid #386c7f;outline-offset:2px}
#dev-details #metrics{font-size:10px}
@media(max-width:900px){#debug-panel{top:100px;max-height:calc(100% - 206px)}}
@media(max-width:550px){#dev-info-toggle{right:12px;top:8px;font-size:10px}#debug-panel{right:12px;width:min(322px,calc(100% - 24px));padding:11px 12px;max-height:calc(100% - 230px)}}