:root{font-family:Inter,"Helvetica Neue",Arial,sans-serif;color:#282130;background:#fff;font-synthesis:none;--ink:#282130;--purple:#73617e;--muted:#827a86}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--purple);outline-offset:5px}button{color:inherit}a{color:inherit}.security-lab{max-width:1440px;margin:0 auto;padding:26px 36px 24px}.lab-navigation{display:flex;align-items:center;justify-content:center;gap:4px;width:max-content;max-width:100%;margin:auto;padding:5px;background:#f0eef2;border-radius:40px}.lab-navigation a{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 23px;font-size:12px;border-radius:30px;text-decoration:none;white-space:nowrap}.lab-navigation a[aria-current]{background:var(--ink);color:white;box-shadow:0 3px 10px #28213018}.swatch{width:12px;height:15px;border:1px solid #96909c60;display:block;border-radius:2px}.solar{background:linear-gradient(125deg,#ddd4c280,#a19d8665)}.privacy{background:linear-gradient(130deg,#e4ebed,#a4b2b7 45%,#6c7d83 46%,#dbe2e2)}.frost{background:linear-gradient(120deg,#fff,#dddce1)}.security{background:linear-gradient(130deg,#b8acbf,#f1edf1 55%,#a196aa)}.system-controls{display:flex;justify-content:center;gap:3px;margin:30px auto 0;width:max-content;max-width:100%;border-bottom:1px solid #e8e5eb}.system-controls button{padding:12px 22px 15px;border:0;border-bottom:2px solid transparent;background:none;min-height:60px;transition:border-color .2s,color .2s;color:#918995}.system-controls button strong{font-size:13px;font-weight:500;display:block}.system-controls button span{font-size:10px;display:block;margin-top:5px}.system-controls button[aria-pressed=true]{color:var(--ink);border-bottom-color:var(--purple)}.lab-workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:center;gap:18px;min-height:580px;position:relative}.house-stage{position:relative;aspect-ratio:1.5;width:100%;isolation:isolate}.house-render,.glass-effects{position:absolute;inset:0;width:100%;height:100%;display:block;user-select:none}.house-render{pointer-events:none}.glass-effects{pointer-events:none;overflow:visible}.glass-target{position:absolute;left:calc(var(--x)/1536*100%);top:calc(var(--y)/1024*100%);width:calc(var(--w)/1536*100%);height:calc(var(--h)/1024*100%);background:transparent;border:0;padding:0;border-radius:0;touch-action:manipulation;cursor:crosshair}.glass-target:hover{box-shadow:inset 0 0 0 1px #73617e70;background:#ffffff0a}.glass-target:focus-visible{outline:2px solid var(--purple);outline-offset:3px}.glass-target[aria-pressed=true]{cursor:crosshair}.tap-cue{position:absolute;left:0;top:61%;width:25%;color:var(--purple);font-size:12px;pointer-events:none;transition:opacity .4s}.tap-cue span{display:block;margin-left:3px;letter-spacing:.01em}.tap-cue svg{width:100%;height:auto;overflow:visible;fill:none;stroke:var(--purple);stroke-width:1.25}.cue-pulse{transform-box:fill-box;transform-origin:center;animation:cuePulse 1.8s ease-out infinite;fill:#73617e44}.has-impacts .tap-cue{opacity:0}.system-story{padding:28px 0 20px;animation:storyIn .4s ease both}.system-story[hidden]{display:block!important;visibility:hidden;pointer-events:none}.story-topline{display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid #e8e5eb;padding-bottom:16px;font-size:10px;color:var(--muted)}.reset-glass{background:none;border:0;font-size:11px;padding:6px 0;color:var(--muted);display:inline-flex;align-items:center;gap:7px}.reset-glass svg{height:13px;width:13px;fill:none;stroke:currentColor;stroke-width:1.2}.stage-kicker{font-size:9px;letter-spacing:.15em;color:var(--purple);margin:24px 0 10px}.system-story h1{font-size:25px;line-height:1.2;letter-spacing:-.045em;font-weight:500;margin:0 0 12px}.stage-copy{font-size:12px;line-height:1.7;color:#77707b;margin:0;min-height:62px}.layer-inspector{margin-top:14px;border-top:1px solid #eeeaf0;padding-top:5px}.assembly-diagram{width:100%;height:170px}.diagram-glass,.diagram-film,.diagram-sealant,.diagram-frame{transition:opacity .3s,filter .3s}.layer-inspector[data-layer=glass] .diagram-glass{filter:drop-shadow(0 0 5px #b4cbd080)}.layer-inspector[data-layer=film] .diagram-film{filter:drop-shadow(0 0 4px #73617e90)}.layer-inspector[data-layer=bond] .diagram-sealant{filter:drop-shadow(0 0 4px #73617e90)}.layer-tabs{display:flex;gap:13px;border-bottom:1px solid #e8e5eb}.layer-tabs button{padding:10px 0;border:0;background:none;border-bottom:1px solid transparent;font-size:10px;color:var(--muted)}.layer-tabs button[aria-pressed=true]{border-color:var(--purple);color:var(--ink)}.layer-inspector h2{font-size:13px;line-height:1.5;font-weight:500;margin:18px 0 6px}.layer-inspector p{font-size:11px;line-height:1.7;color:#77707b;margin:0;min-height:57px}#reveal-bond{display:flex;justify-content:space-between;width:100%;font-size:11px;padding:12px 0;margin-top:10px;background:none;border:0;color:var(--purple)}#reveal-bond[aria-pressed=true]{font-weight:600}#reveal-bond:disabled{opacity:.4;cursor:default}.lab-foot{max-width:740px;display:flex;align-items:center;justify-content:space-between;gap:15px;margin:0 auto;color:var(--muted);font-size:11px;padding:5px 0 10px}.demo-note{font-size:9px;line-height:1.6;color:#aaa4ad;text-align:center;margin:6px 0 12px}.demo-details{max-width:740px;margin:0 auto;font-size:10px;color:#8a838e;line-height:1.7}.demo-details summary{cursor:pointer;width:max-content;margin:auto;font-size:10px}.demo-details p{margin:14px 0 10px}.demo-details a{color:var(--purple)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.crack-white{fill:none;stroke:#fff;stroke-width:1.15;stroke-linejoin:round;filter:url(#impact-shadow)}.crack-shadow{fill:none;stroke:#302c30;stroke-opacity:.4;stroke-width:2.4}.impact-ripple{fill:none;stroke:#fff;stroke-width:2;transform-box:fill-box;transform-origin:center;animation:ripple .45s ease-out forwards}.impact-spark{fill:white;animation:spark .45s ease-out forwards}.broken-opening{fill:#302d2b;fill-opacity:.88;stroke:#f8f7fa;stroke-width:2}.film-stretch{fill:url(#film-sheen);stroke:#f8f7fa;stroke-width:1.2;stroke-opacity:.75}.loose-shard{fill:#dde4e5;fill-opacity:.55;stroke:#fff;stroke-width:.7;animation:shardFall .8s ease-in forwards;transform-box:fill-box;transform-origin:center}.bond-line{fill:none;stroke:#8b729c;stroke-width:5;stroke-linecap:round;stroke-dasharray:12 5;animation:bondFlow 2s linear infinite;filter:drop-shadow(0 0 3px #73617e70)}.pane-jolt{animation:paneJolt .18s ease-out;transform-box:fill-box;transform-origin:center}@keyframes cuePulse{0%{opacity:.85;transform:scale(.65)}100%{opacity:0;transform:scale(2.8)}}@keyframes storyIn{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}@keyframes ripple{to{transform:scale(3);opacity:0}}@keyframes spark{to{opacity:0}}@keyframes shardFall{to{transform:translate(8px,65px) rotate(22deg);opacity:0}}@keyframes paneJolt{30%{transform:translateX(1.4px)}60%{transform:translateX(-1px)}to{transform:translateX(0)}}@keyframes bondFlow{to{stroke-dashoffset:-34}}@media(min-width:1100px){.house-stage{width:calc(100% + 40px);margin-left:-20px}}@media(max-width:950px){.security-lab{padding:20px 18px}.lab-workspace{grid-template-columns:minmax(0,1fr) 250px;gap:8px;min-height:460px}.system-story h1{font-size:22px}.system-controls button{padding-inline:15px}.tap-cue{font-size:10px}.assembly-diagram{height:145px}.stage-copy{min-height:0}}@media(max-width:700px){.security-lab{padding:18px 10px 24px}.lab-navigation a{padding:12px 14px;font-size:11px;gap:6px}.system-controls{margin-top:21px;width:100%}.system-controls button{flex:1;padding:11px 4px 13px;min-width:0}.system-controls button strong{font-size:12px}.system-controls button span{font-size:8px;white-space:nowrap}.lab-workspace{display:flex;flex-direction:column;gap:0;min-height:0}.house-stage{width:100%;margin:22px auto 0}.tap-cue{font-size:9px;top:59%;width:24%;left:0}.door-target:after{content:'';position:absolute;inset:0 -12px}.system-story{width:100%;max-width:440px;padding:14px 14px 20px}.system-story[hidden]{display:none!important}.story-topline{padding-bottom:10px}.stage-kicker{margin-top:18px}.system-story h1{font-size:25px}.stage-copy{font-size:12px}.layer-inspector{display:grid;grid-template-columns:130px minmax(0,1fr);column-gap:13px;align-items:center;padding-top:14px}.assembly-diagram{grid-row:1/5;height:155px;width:130px}.layer-tabs{gap:9px;align-self:end}.layer-tabs button{font-size:9px;padding:7px 0}.layer-inspector h2{margin-top:12px;font-size:12px}.layer-inspector p{font-size:10px;min-height:0}#reveal-bond{font-size:10px;margin-top:2px}.lab-foot{padding:18px 14px 8px;font-size:9px;gap:6px}.demo-note{font-size:8px;padding:0 12px}.demo-details{padding:0 18px}.has-impacts .lab-foot{padding-top:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.impact-ripple,.impact-spark,.loose-shard{display:none}}

/* Compact, on-demand annotation: the model never moves when opened. */
.lab-workspace{display:block;min-height:0;padding-bottom:10px}
.house-stage{width:100%;max-width:1000px;margin:0 auto}
.system-story{position:absolute;right:0;top:35%;z-index:5;width:280px;padding:0;background:#ffffffed;border:1px solid #eeeaf0;border-radius:14px;box-shadow:0 10px 34px #2821300c;backdrop-filter:blur(16px);animation:storyIn .25s ease both}
.system-story[hidden]{display:none!important}
.story-toggle{display:flex;align-items:center;gap:12px;width:100%;padding:16px;border:0;background:none;text-align:left;border-radius:14px}
.callout-icon{font-size:26px;color:var(--purple)}
.story-toggle strong{display:block;font-size:12px;font-weight:500}
.story-toggle small{display:block;margin-top:5px;font-size:10px;color:var(--muted)}
.callout-chevron{margin-left:auto;font-size:20px;font-weight:300;color:var(--purple)}
.story-toggle:hover{background:#f8f6f966}
.story-toggle[aria-expanded=true] .callout-chevron{transform:rotate(45deg)}
#story-content{padding:0 18px 16px;max-height:425px;overflow:auto;border-top:1px solid #eeeaf0}
#story-content[hidden]{display:none}
.story-topline{padding:14px 0 9px;border:0;font-size:9px}
.stage-kicker{margin-top:12px;font-size:8px}
.system-story h1{font-size:21px;margin-bottom:8px}
.stage-copy{font-size:11px;min-height:0}
.assembly-diagram{height:135px}
.layer-inspector h2{margin-top:12px;font-size:12px}
.layer-inspector p{font-size:10px;min-height:0}
.layer-tabs{gap:12px}
.layer-tabs button{font-size:9px}
.callout-leader{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:3;opacity:0;transition:opacity .25s}
.has-impacts .callout-leader{opacity:.65}
.lab-foot{padding-top:12px}
@media(min-width:701px) and (max-width:1100px){.house-stage{width:85%;margin-left:0}.system-story{width:245px;top:27%}}
@media(max-width:700px){.house-stage{width:100%;margin:20px auto 0}.lab-workspace{padding-bottom:76px}.system-story{top:auto;bottom:8px;right:12px;width:230px;max-width:calc(100% - 24px)}.story-toggle{padding:12px 14px}.story-toggle strong{font-size:11px}.story-toggle small{font-size:9px}.callout-icon{font-size:23px}.system-story.is-open{position:relative;right:auto;bottom:auto;margin:0 12px 0 auto;width:calc(100% - 24px);max-width:390px}.lab-workspace:has(.is-open){padding-bottom:10px}#story-content{max-height:none}.system-story h1{font-size:22px}.layer-inspector{grid-template-columns:115px minmax(0,1fr)}.assembly-diagram{width:115px;height:140px}.has-impacts .lab-foot{padding-top:12px}}

.play-controls{display:flex;align-items:center;justify-content:center;gap:25px;margin:17px auto 0;flex-wrap:wrap}.prop-controls{display:flex;align-items:center;gap:6px}.prop-controls>span{font-size:10px;color:var(--muted);margin-right:7px}.prop-controls button,#holiday-mode{border:0;background:none;font-size:11px;padding:9px 12px;border-radius:20px;color:var(--muted)}.prop-controls button[aria-pressed=true]{background:#eeebf1;color:var(--ink)}#holiday-mode{border-left:1px solid #e7e2e9;border-radius:0;padding-left:22px}#holiday-mode[aria-pressed=true]{color:#775257}.holiday-caption{text-align:center;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:#9b7275;margin:16px 0 0;visibility:hidden}.holiday-on .holiday-caption{visibility:visible}.holiday-scene,.prop-stage{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2;overflow:visible}.holiday-scene{opacity:0;transition:opacity .3s}.holiday-on .holiday-scene{opacity:1}.prop-stage{z-index:4}.festive-bulb{filter:drop-shadow(0 0 4px #f1d7a4)}.snow-speck{animation:snowDrift 7s linear infinite;opacity:.65}.impact-prop{transform-box:fill-box;transform-origin:center;animation:propSwing .6s ease-out forwards}.prop-rock{animation:rockToss .6s ease-out forwards}.prop-crowbar{animation:barSwing .6s ease-out forwards}.prop-impact{fill:none;stroke:#cbb7d7;stroke-width:3;animation:impactBloom .6s ease-out forwards;transform-box:fill-box;transform-origin:center}@keyframes propSwing{0%{opacity:0;transform:translate(65px,-75px) rotate(55deg)}35%{opacity:1;transform:translate(0,0) rotate(-25deg)}65%{opacity:1;transform:translate(20px,-20px) rotate(5deg)}100%{opacity:0;transform:translate(45px,-50px) rotate(30deg)}}@keyframes rockToss{0%{opacity:0;transform:translate(90px,45px) scale(.5) rotate(-90deg)}35%{opacity:1;transform:translate(0,0) scale(1) rotate(10deg)}100%{opacity:0;transform:translate(12px,65px) scale(.8) rotate(90deg)}}@keyframes barSwing{0%{opacity:0;transform:translate(40px,-70px) rotate(50deg)}35%{opacity:1;transform:translate(0,0) rotate(-15deg)}100%{opacity:0;transform:translate(45px,-30px) rotate(40deg)}}@keyframes impactBloom{0%{opacity:0;transform:scale(.3)}35%{opacity:.9}100%{opacity:0;transform:scale(3)}}@keyframes snowDrift{0%{transform:translate(0,-25px);opacity:0}20%,80%{opacity:.65}100%{transform:translate(16px,45px);opacity:0}}@media(max-width:700px){.play-controls{gap:7px;margin-top:10px}.prop-controls button,#holiday-mode{font-size:10px;padding:9px}.prop-controls>span{font-size:9px;margin-right:2px}#holiday-mode{padding-left:12px}.holiday-caption{font-size:8px;margin-top:12px}}

/* Miniature inventory selector. Native buttons retain keyboard support. */
.play-controls{align-items:center;gap:22px;margin-top:22px}.prop-controls{position:relative;gap:10px;padding-top:24px}.prop-controls>span{position:absolute;top:0;left:0;right:0;text-align:center;text-transform:uppercase;font-size:9px;letter-spacing:.15em;margin:0;color:var(--muted)}
.prop-controls button{position:relative;display:flex;flex-direction:column;align-items:center;width:94px;padding:4px 8px 10px;border:1px solid #eae5ed;border-radius:13px;background:linear-gradient(145deg,#fff,#f7f5f8);transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden;color:#746b7b}
.prop-render{display:block;position:relative;width:78px;height:78px;overflow:hidden;pointer-events:none}
.prop-render img{position:absolute;top:0;width:300%;height:100%;max-width:none;left:calc(var(--prop-index)* -100%);object-fit:fill;mix-blend-mode:multiply;transition:transform .2s;pointer-events:none}
.prop-name{font-size:11px;font-weight:500;letter-spacing:.02em;line-height:1.3}.prop-selection{font-size:7px;text-transform:uppercase;letter-spacing:.12em;margin-top:5px;visibility:hidden;color:#73617e}
.prop-controls button:hover{transform:translateY(-3px);border-color:#bdabc9;box-shadow:0 6px 16px #73617e15}.prop-controls button[aria-pressed=true]{border-color:#9b80ad;background:linear-gradient(145deg,#fff,#eee7f4);box-shadow:0 0 0 2px #bba6cd20,0 8px 24px #73617e1c;transform:translateY(-3px)}
.prop-controls button[aria-pressed=true] .prop-selection{visibility:visible}.prop-controls button[aria-pressed=true] .prop-name{color:#44304f}.prop-controls button:focus-visible{outline:2px solid #73617e;outline-offset:4px}
@media(max-width:700px){.play-controls{gap:10px;flex-direction:column;margin-top:16px}.prop-controls{gap:9px}.prop-controls button{width:86px;padding:3px 6px 8px}.prop-render{width:70px;height:70px}.prop-name{font-size:10px}#holiday-mode{border:0;padding:5px 12px}.holiday-caption{margin-top:8px}}

@media(max-width:700px){.lab-navigation{gap:0;width:100%;max-width:390px}.lab-navigation a{flex:1;padding:12px 7px;font-size:11px}}