*{box-sizing:border-box} :root{--ink:#17252c;--muted:#667277;--paper:#fff;--bg:#f4f5f2;--line:#dfe4df;--red:#d94839;--soft:#fceeea;--green:#256657;--amber:#916224;--radius:16px}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Segoe UI,Arial,sans-serif;font-size:15px;line-height:1.5}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #268f9a;outline-offset:3px}button{border:0}h1,h2,h3,p{margin:0}h1{font-size:clamp(28px,3.5vw,42px);letter-spacing:-1.3px;line-height:1.15}h2{font-size:23px;letter-spacing:-.5px;line-height:1.25}h3{font-size:17px;line-height:1.35}small{font-size:12px}.topbar{background:var(--ink);color:white}.topbar-inner{max-width:1320px;margin:auto;min-height:84px;padding:16px 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img{width:100%;display:block}.hotspot{position:absolute;transform:translate(-50%,-50%);width:28px;min-height:25px;border:1px solid #b6503570;background:#fff2d1a0;color:#852d20;font-size:10px;font-weight:700;line-height:1;z-index:1;border-radius:5px;padding:2px}.hotspot:hover,.hotspot.chosen{z-index:2;background:#d94839;color:white;border-color:#d94839;box-shadow:0 0 0 4px #d9483920}.scheme-parts{height:65vh;overflow:auto;background:white;border-left:1px solid var(--line);padding:15px}.scheme-item{display:block;text-align:left;background:#f4f6f0;border:1px solid #e1e7dc;border-radius:7px;padding:10px;width:100%;margin-bottom:8px}.scheme-item strong{font:700 15px Consolas,monospace;display:block;margin:3px 0}.scheme-item span{font-size:11px}.scheme-item small{display:block;font-size:11px;color:var(--muted)}.scheme-caption{padding:10px 20px;font-size:11px;color:var(--muted);background:#f7f9f3}.offline-list{margin:18px 0;padding:0;list-style:none;display:grid;gap:12px}.offline-list li{padding:13px 15px;background:white;border-radius:9px;border:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:13px}.offline-list span{color:var(--muted)}.offline-progress{margin:15px 0;padding:12px;border-radius:8px;background:#e4ede0;font-size:13px}.photo-large{max-width:1100px}.photo-large img{display:block;width:100%;height:auto}.photo-source{font-size:11px;color:var(--muted);margin-top:8px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--ink);color:white;padding:12px 20px;border-radius:9px;box-shadow:0 5px 20px #0002;z-index:100;font-size:13px;opacity:0;transition:.2s;max-width:90vw}#toast.show{transform:translateX(-50%) translateY(0);opacity:1}@media(min-width:1400px){.intro{padding:10px 70px 0 20px}}@media(max-width:1320px){main,.footer{margin-left:32px;margin-right:32px}.workspace{gap:22px;grid-template-columns:minmax(0,1fr) 285px}}@media(max-width:1020px){.parts-grid{grid-template-columns:1fr}.intro{gap:32px;grid-template-columns:1.2fr .8fr}.part-img{width:70px;height:70px}.topbar-inner{padding:15px 28px}}@media(max-width:760px){.topbar-inner{min-height:72px;padding:13px 20px}.brand{font-size:15px}.brand small{font-size:10px}.brand-mark{width:33px;height:37px;font-size:24px}.test-label{display:none}.connection{font-size:10px;max-width:122px;text-align:right}.top-actions{gap:8px}main{margin:0;padding:0 18px 35px}.steps{padding:20px 0;margin-bottom:25px}.step{gap:7px;font-size:11px}.step-num{width:24px;height:24px;flex-shrink:0}.step-line{margin:0 10px;min-width:8px}.intro{display:block}.eyebrow{font-size:10px;margin-top:0}h1{font-size:31px;letter-spacing:-.8px}.lead{font-size:14px;margin:13px 0 23px}.guide{margin-top:32px}.guide-steps{gap:17px}.panel{padding:18px}.identify-input{font-size:16px;padding:14px 12px}.date-field{display:block}.equipment-strip{padding:14px;margin-bottom:23px;align-items:start}.equipment-strip h2{font-size:14px}.equipment-strip .secondary{padding:8px;font-size:11px;min-height:37px}.equipment-strip p{font-size:11px}.workspace{display:flex;flex-direction:column;gap:18px}.results-column{width:100%}.sidebar{position:static;width:100%;order:-1}.sidebar .materials-panel{display:none}.sidebar .info-panel{display:none}.search-heading h1{font-size:27px}.search-heading{margin-bottom:16px}.search-heading p{font-size:12px}.search-heading .secondary{font-size:12px;padding:8px 10px;min-height:40px}.mobile-materials{display:flex;gap:8px;overflow:auto;align-items:center;margin-top:13px}.mobile-materials .secondary{white-space:nowrap;flex-shrink:0;font-size:12px}.search-tools{margin:12px 0 19px;align-items:start}.search-tools .chip-row{gap:6px}.chip{font-size:11px;padding:6px 9px}.small-link{font-size:11px;padding:3px 0;white-space:nowrap}.help-note{font-size:11px;padding:10px 11px;margin:13px 0 17px}.result-heading strong{font-size:12px}.result-heading span{font-size:11px}.parts-grid{gap:10px}.part{padding:14px;min-height:0}.part-title{font-size:13px}.part-article{font-size:22px}.part-img{width:78px;height:78px}.part-placeholder{width:43px;height:43px}.badge{font-size:10px;margin-top:7px}.footer{margin:0 18px;padding:17px 0;font-size:10px}.footer span:first-child{display:none}.modal-backdrop{padding:8px;align-items:end}.modal{border-radius:15px;max-height:95dvh}.modal-head{padding:16px}.modal-head h2{font-size:17px}.modal-content{padding:18px}.detail-layout{grid-template-columns:105px 1fr;gap:17px}.detail-code{font-size:24px}.detail-name{font-size:14px}.detail-photo{border-radius:8px}.detail-layout .primary{font-size:12px;padding:10px 13px;min-height:43px}.detail-equipment{margin-top:19px}.scheme-layout{display:flex;flex-direction:column}.scheme-viewport{height:52dvh;padding:6px}.scheme-parts{height:auto;max-height:24dvh;border-left:0;border-top:1px solid var(--line);padding:12px;display:grid;grid-template-columns:1fr 1fr;gap:7px}.scheme-item{margin:0}.scheme-tools{padding:10px;gap:6px}.scheme-tools select{font-size:12px;max-width:180px}.scheme-tools .secondary{font-size:12px;padding:6px 10px}.scheme-caption{font-size:10px;padding:9px 12px}.hotspot{width:24px;min-height:23px;font-size:9px}.offline-list li{font-size:12px}.offline-list{gap:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.search-input::-webkit-search-cancel-button{appearance:none}.mobile-materials{scrollbar-width:none}.mobile-materials::-webkit-scrollbar{display:none}.hotspot{font-size:0;background:transparent;border:0;width:22px;min-height:20px}.hotspot:hover,.hotspot.chosen{font-size:10px;width:30px;min-height:24px}.hotspot:hover{outline:1px solid #d94839}.questions{margin-bottom:16px}.source-meta{font-size:12px;color:#627064}
.is-local a[download]{display:none}
@media(max-width:760px){#mobile-questions-slot .questions{padding:13px;margin-top:14px;margin-bottom:12px}#mobile-questions-slot .questions>.eyebrow,#mobile-questions-slot .questions>h3,#mobile-questions-slot .questions>p{display:none}#mobile-questions-slot .question:first-of-type{margin-top:0}#mobile-questions-slot .questions>.text-button{font-size:11px;padding:6px 0 0}#mobile-questions-slot .question p{font-size:11px;margin-top:4px}#mobile-questions-slot .question .question-label{font-size:12px;margin:0 0 6px}.mobile-materials .secondary{min-height:38px}.search-tools{margin-bottom:14px}}
.hotspot,.hotspot:hover,.hotspot.chosen{min-height:0;padding:0;font-size:0;border:0;border-radius:0;background:transparent;box-shadow:none}.hotspot:hover,.hotspot.chosen{outline:1px solid #d94839}.hotspot.chosen:after,.hotspot:hover:after{content:attr(data-position);position:absolute;left:0;bottom:100%;width:32px;line-height:20px;font-size:10px;font-weight:700;text-align:center;color:white;background:#d94839;border-radius:4px;pointer-events:none}.scheme-canvas img{user-select:none}

/* V2: visible zoom controls, draggable scheme, in-place product preview. */
.scheme-modal{max-width:1280px}.scheme-tools{gap:12px;padding:13px 18px}.scheme-tools select{flex:1;max-width:330px;min-width:200px}.scheme-tools .zoom-actions{gap:8px;align-items:center}.zoom-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 14px;min-height:44px;border:1px solid #df8277;border-radius:8px;background:#fff0ec;color:#9a3025;font-size:13px;font-weight:650}.zoom-button b{font-size:25px;font-weight:500;line-height:1}.zoom-plus{background:#d94839;border-color:#d94839;color:white;box-shadow:0 3px 9px #d9483920}.zoom-button:hover{background:#f9dacf}.zoom-plus:hover{background:#c63b2d}.zoom-button:disabled{opacity:.45}.zoom-fit{min-height:44px;font-size:12px}.zoom-actions output{min-width:47px;font:600 13px Consolas,monospace;text-align:center;color:#384c41}.scheme-interaction-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px}.scheme-interaction-row>div{display:flex;gap:16px;align-items:center}.pan-hint{display:flex;gap:7px;align-items:center;color:#65756a;font-size:11px}.scheme-interaction-row button{font-size:11px;min-height:29px}.scheme-interaction-row button[aria-pressed=true]:not(:disabled){font-weight:700;color:#c44132}.scheme-viewport{cursor:grab;touch-action:none;user-select:none}.scheme-viewport.is-dragging,.scheme-viewport.is-dragging *{cursor:grabbing!important}.scheme-canvas{isolation:isolate}.scheme-canvas>img{pointer-events:none;-webkit-user-drag:none}.part-regions{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.part-region{fill:transparent;stroke:transparent;stroke-width:2;vector-effect:non-scaling-stroke;pointer-events:all;cursor:pointer;transition:fill .12s,stroke .12s}.part-region.selected{fill:#e64b3d30;stroke:#d94839}.part-region:hover{fill:#e64b3d22;stroke:#d94839}.part-region:focus-visible{outline:none;stroke:#168189;stroke-width:3}.hotspot{z-index:2}.hotspot.chosen,.hotspot:hover{z-index:3}.scheme-layout{grid-template-columns:minmax(0,1fr) 300px}.scheme-position-title{font-size:12px;line-height:1.5;color:#627064;margin-bottom:12px}.scheme-position-title strong{color:#233b2d}.scheme-selection{border:1px solid #dbe3d7;border-radius:11px;padding:12px;background:#f5f8f0;margin-bottom:12px}.scheme-photo{background:white;border:1px solid #e1e7dc;border-radius:8px;overflow:hidden;margin-bottom:12px}.scheme-photo img{display:block;object-fit:contain;width:100%;height:175px}.scheme-photo span{display:block;text-align:center;font-size:10px;color:#849080;padding:4px 6px}.scheme-selection-article{font:700 23px Consolas,monospace;color:#243b31;overflow-wrap:anywhere;margin-bottom:8px}.scheme-selection h3{font-size:13px;line-height:1.4}.scheme-selection-actions{display:grid;gap:7px;margin-top:15px}.scheme-selection-actions button{padding:9px 10px;min-height:39px;font-size:12px;width:100%}.scheme-no-photo{min-height:85px;background:#eef2e8;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;font-size:11px;color:#83927c;margin-bottom:12px}.scheme-parts.has-selection{display:block}.scheme-selection .badge{font-size:10px}.scheme-caption{font-size:11px}.scheme-selection-info{min-width:0}
@media(max-width:760px){.scheme-modal .modal-head{padding:13px 15px}.scheme-tools{padding:10px 12px;gap:8px}.scheme-tools select{max-width:none;width:100%;min-width:0;flex-basis:100%;min-height:40px;font-size:12px}.scheme-tools .zoom-actions{width:100%;justify-content:space-between;gap:5px;margin-left:0}.zoom-button{font-size:11px;padding:8px;gap:5px;min-height:44px}.zoom-button b{font-size:21px}.zoom-actions output{min-width:33px;font-size:11px}.zoom-fit{font-size:10px;padding:6px 8px;min-height:44px}.scheme-interaction-row{display:block}.pan-hint{font-size:10px}.scheme-interaction-row>div{gap:15px;margin-top:3px}.scheme-interaction-row button{min-height:27px;font-size:10px}.scheme-viewport{height:40dvh;padding:6px}.scheme-parts{max-height:28dvh;height:auto;display:grid;grid-template-columns:1fr 1fr;padding:11px;gap:8px}.scheme-position-title{grid-column:1/-1;font-size:11px;margin:0 0 6px}.scheme-parts.has-selection{display:block}.scheme-selection{display:grid;grid-template-columns:92px 1fr;gap:12px;margin:0 0 6px;padding:10px}.scheme-photo{margin:0;align-self:start}.scheme-photo img{height:88px}.scheme-photo span{font-size:8px;padding:3px}.scheme-selection-article{font-size:20px;margin-bottom:5px}.scheme-selection h3{font-size:11px}.scheme-selection-actions{margin-top:9px;gap:5px}.scheme-selection-actions button{font-size:10px;min-height:32px;padding:6px 8px}.scheme-no-photo{height:88px;margin:0;display:grid;gap:2px;align-content:center;justify-items:center;min-height:0;font-size:9px}.scheme-caption{font-size:10px;padding:8px 12px}.scheme-parts>.text-button{font-size:11px;padding:4px 0}}

/* Keep scheme controls visible while its canvas and part list scroll independently. */
.scheme-modal{display:flex;flex-direction:column;height:93dvh;overflow:hidden}.scheme-modal>.modal-head,.scheme-modal>.scheme-tools,.scheme-modal>.scheme-caption{flex-shrink:0}.scheme-layout{flex:1;min-height:0;overflow:hidden}.scheme-viewport,.scheme-parts{height:100%;max-height:none}
@media(max-width:760px){.scheme-modal{height:95dvh}.scheme-layout{display:grid;grid-template-columns:1fr;grid-template-rows:minmax(140px,1fr) auto}.scheme-layout>.scheme-parts{height:auto;max-height:28dvh}.scheme-layout>.scheme-viewport{height:100%;min-height:0}.scheme-modal .scheme-caption{font-size:9px;padding:7px 10px}}