/* Shared realism and interaction layer for all AQA practical workbenches */
.scene{background:linear-gradient(180deg,#aec8cd 0 14%,#d9e1df 14% 34%,#eef0eb 34% 58%,#aa7a50 58% 63%,#76513b 63% 100%);box-shadow:inset 0 12px 24px #0a17231c,inset 0 -18px 35px #25170c24;isolation:isolate}.scene:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 72% 12%,#fff9 0 4%,transparent 21%),linear-gradient(90deg,transparent 0 9%,#ffffff18 9% 9.3%,transparent 9.3% 100%);mix-blend-mode:screen;z-index:1}.scene:after{content:"";position:absolute;left:0;right:0;bottom:0;height:35%;pointer-events:none;background:linear-gradient(180deg,transparent,#2a160d16 55%,#160e0930);z-index:1}.scene svg{position:relative;z-index:2;transform-origin:center center;transition:transform .24s ease,filter .24s ease}.scene svg [data-part]{transition:filter .16s ease,opacity .16s ease,transform .16s ease}.scene svg [data-part]:hover{filter:brightness(1.08) drop-shadow(0 5px 5px #10201c42)}.scene.focus-active svg [data-part]{opacity:.22;filter:saturate(.35)}.scene.focus-active svg [data-part].apparatus-focused{opacity:1;filter:drop-shadow(0 0 7px #d3eca6) drop-shadow(0 7px 6px #10201c55);transform:translateY(-1px)}.scene.hide-labels .label-pill,.scene.hide-labels .svg-label{display:none}.label-pill{fill:#10201bd9;stroke:#d5e9dd66;stroke-width:1}.svg-label{fill:#f1f7f2;font:600 11px Inter,Arial,sans-serif;letter-spacing:.2px}.meter-screen{fill:#b9d8af;stroke:#26392f;stroke-width:2}.visual-tools{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:8px 13px;background:#132737;border-top:1px solid #314455;border-bottom:1px solid #263b4a}.visual-tool-btn{border:1px solid #476276;background:#182d3d;color:#d9e8e2;border-radius:6px;padding:7px 9px;font-size:9px;font-weight:650}.visual-tool-btn:hover,.visual-tool-btn.active{background:#d3eca6;color:#264431;border-color:#d3eca6}.visual-tools .zoom-wrap{display:flex;align-items:center;gap:7px;margin-left:auto;color:#9eb8bd;font-size:9px}.visual-tools input[type=range]{width:92px;accent-color:#d3eca6}.scene-hud{position:absolute;left:14px;top:14px;z-index:6;display:flex;gap:7px;flex-wrap:wrap;pointer-events:none;max-width:72%}.hud-chip{min-width:82px;padding:7px 9px;border:1px solid #d6e7e14d;border-radius:7px;background:#102233de;box-shadow:0 4px 12px #0003;backdrop-filter:blur(6px)}.hud-chip small{display:block;color:#8fabb4;font-size:7px;letter-spacing:.8px;text-transform:uppercase}.hud-chip b{display:block;margin-top:3px;color:#d8efbf;font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace}.scene-watch{position:absolute;right:14px;top:14px;z-index:6;width:min(240px,34%);padding:9px 11px;border-radius:8px;background:#f6fbf0ec;color:#304b39;border:1px solid #d3e7c1;font-size:9px;line-height:1.45;box-shadow:0 5px 15px #0002;pointer-events:none}.scene-watch b{display:block;font-size:8px;letter-spacing:.8px;text-transform:uppercase;margin-bottom:3px;color:#54715a}.lab-fullscreen{position:fixed!important;inset:10px!important;z-index:200!important;margin:0!important;border-radius:16px!important;box-shadow:0 25px 90px #0009!important;display:flex!important;flex-direction:column!important}.lab-fullscreen .scene{height:auto!important;flex:1;min-height:0}.lab-fullscreen .scene svg{height:100%;min-height:0}.lab-fullscreen .bench-top{padding:14px 18px}.full-lab-backdrop{position:fixed;inset:0;background:#07120fcc;z-index:190;backdrop-filter:blur(8px)}.data-quality{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:10px}.quality-chip{padding:8px;border:1px solid var(--line);border-radius:7px;background:var(--paper)}.quality-chip small{display:block;color:var(--muted);font-size:7px;text-transform:uppercase;letter-spacing:.7px}.quality-chip b{display:block;font-size:10px;margin-top:4px}.quality-good b{color:#4e7a57}.quality-warn b{color:#9a6b2f}.student-detail-strip{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:10px;margin:14px 0}.detail-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px}.detail-card .eyebrow{font-size:8px}.detail-card h4{margin:6px 0 5px;font-size:11px}.detail-card p{margin:0;color:var(--muted);font-size:9px;line-height:1.55}.status-lamp{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;background:#8aa39a;box-shadow:0 0 0 2px #ffffff10}.status-lamp.on{background:#b7eb83;box-shadow:0 0 9px #b7eb83}.bench-top small.running{color:#d3eca6}.visual-tool-btn.demo-running{animation:demoPulse 1.1s ease-in-out infinite}@keyframes demoPulse{50%{box-shadow:0 0 0 4px #d3eca622}}
/* Instrument/material polish */
.scene svg rect[fill*="orange"],.scene svg [fill="#e5b330"]{filter:drop-shadow(0 3px 2px #0003)}.scene svg circle,.scene svg rect,.scene svg path{vector-effect:non-scaling-stroke}.scene svg line[stroke="#e6f2e9"],.scene svg polyline[stroke="#e6f2e9"]{filter:drop-shadow(0 1px 1px #0005)}.scene svg text{paint-order:stroke;stroke:#ffffff18;stroke-width:.5px}.dark .scene{filter:brightness(.78) saturate(.9)}.dark .scene-watch{background:#203126ed;color:#dbe9dd;border-color:#45634a}.dark .quality-chip{background:#14231c}
@media(max-width:800px){.visual-tools .zoom-wrap{width:100%;margin-left:0}.visual-tools input[type=range]{flex:1}.scene-hud{max-width:92%;top:8px;left:8px}.scene-watch{top:auto;bottom:8px;right:8px;width:45%}.student-detail-strip,.data-quality{grid-template-columns:1fr}.lab-fullscreen{inset:4px!important}.workbench.lab-fullscreen .scene{min-height:420px}}
@media(prefers-reduced-motion:reduce){.visual-tool-btn.demo-running{animation:none}}