:root{color-scheme:dark;--bg:#181b1e;--panel:#303438;--raised:#3a3e43;--line:#454a50;--text:#e8ebee;--muted:#a0a8b0;--blue:#64aee4;--input:#24282c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{color:inherit;background:transparent;border:0;cursor:pointer}button:hover{background:#ffffff13}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:3px}button:disabled{opacity:.3;cursor:default}a{color:inherit;text-decoration:none}header{height:91px;display:flex;align-items:center;border-bottom:1px solid var(--line);padding:0 30px;gap:48px;background:#1d2023}.brand{display:flex;align-items:center;gap:11px;font-size:25px;font-weight:650;letter-spacing:-.9px}.brand small{display:block;font-size:8px;letter-spacing:2.3px;color:var(--muted);margin-top:1px}.brandmark{display:grid;place-items:center;width:36px;height:43px;border-radius:8px 1px 8px 1px;background:linear-gradient(145deg,#8dc6ea,#387fba);color:#fff;font-size:37px;font-family:Georgia;font-style:italic;font-weight:400}nav{display:flex;gap:28px;height:100%;align-items:center;font-size:11px;letter-spacing:1.4px;font-weight:650}nav a,nav button{height:100%;display:flex;align-items:center;position:relative;font-size:inherit;letter-spacing:inherit}.active{color:var(--blue)}nav .active:after{content:'';height:2px;background:var(--blue);position:absolute;bottom:0;left:0;right:0}.header-right{margin-left:auto;display:flex;align-items:center;gap:20px}#theme{font-size:25px}.outline{border:1px solid #626d76;border-radius:5px;padding:10px 16px;font-size:12px}.breadcrumb{height:48px;display:flex;align-items:center;gap:15px;font-size:10px;letter-spacing:1.2px;color:var(--muted)}main{max-width:1800px;padding:0 24px;margin:auto}.breadcrumb b{font-weight:500;color:#e3e9ed}.viewer{height:min(760px,calc(100vh - 167px));min-height:530px;display:grid;grid-template-columns:128px minmax(0,1fr) 290px;grid-template-rows:minmax(0,1fr) 78px;background:#000;border:1px solid var(--line);border-radius:5px;overflow:hidden}.planes{background:#111315;border-right:1px solid #303439;display:flex;flex-direction:column;overflow:auto;padding:15px 10px}.section-caption{font-size:9px;color:#818c96;letter-spacing:1.8px;padding-left:9px;margin-bottom:10px}.plane-btn{display:block;width:100%;padding:10px 7px 8px;border-radius:4px;border:1px solid transparent;margin-bottom:10px}.plane-btn.selected{background:#202d37;border-color:#4f8dbb}.plane-btn span{display:block;text-transform:uppercase;letter-spacing:1.2px;font-size:10px;color:var(--blue);font-weight:650;margin-bottom:10px}.plane-btn img{width:85px;height:75px;object-fit:cover;opacity:.85}.plane-btn.selected img{opacity:1}.plane-btn small{display:block;font-size:9px;color:#8695a1;margin-top:5px}.plane-note{margin-top:auto;padding:17px 8px 0;font-weight:650;font-size:11px;color:#8396a5}.plane-note span{font-weight:400;color:#647580}.workspace{min-width:0;display:flex;flex-direction:column}.toolbar{height:58px;flex:none;display:flex;align-items:center;gap:12px;padding:0 13px;border-bottom:1px solid #303439;background:#171a1d}.icon{font-size:20px;min-width:32px;height:32px;border-radius:3px}.icon.on{background:#356895;color:#fff}.study-title{text-align:center;font-weight:600;flex:1;font-size:13px}.study-title small{display:block;font-weight:400;font-size:11px;color:#a2abb3}.tools{display:flex;gap:2px}.toolbar select{max-width:115px;font-size:11px;padding:7px 10px;background:#2d3237;border:1px solid #424951;border-radius:3px;color:#eee}.canvas-wrap{position:relative;flex:1;overflow:hidden;background:#000;outline:none;cursor:grab;min-height:0;touch-action:none;user-select:none}.canvas-wrap.adding{cursor:crosshair}.scan-meta{position:absolute;left:20px;top:15px;display:flex;flex-direction:column;font-size:10px;color:#82929f;gap:4px;z-index:2;pointer-events:none}.scan-meta b{color:#b4c4ce;font-weight:500;letter-spacing:1.2px}#imageLayer{position:absolute;transform-origin:50% 50%;}#scan{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}#pinsLayer{position:absolute;inset:0;pointer-events:none}.pin{position:absolute;transform:translate(-50%,-50%);width:17px;height:17px;border:2px solid #0c1b23;border-radius:50%;background:#8bc5e8;color:#092638;box-shadow:0 0 0 1px #c5e7ff;pointer-events:auto;padding:0;font-size:10px}.pin span{position:absolute;left:24px;top:-4px;background:#122330e8;border:1px solid #547386;color:#d5edfa;border-radius:3px;padding:3px 7px;white-space:nowrap;font-size:11px;max-width:200px;overflow:hidden;text-overflow:ellipsis}.pin.revealed{background:#fae487}.orient{position:absolute;color:#728494;font-size:11px;pointer-events:none}.orient.top{top:15px;left:50%}.orient.bottom{bottom:38px;left:50%}.orient.left{left:15px;top:50%}.orient.right{right:15px;top:50%}.view-bottom{position:absolute;bottom:12px;left:19px;right:19px;display:flex;justify-content:space-between;color:#647583;font-size:10px;pointer-events:none}#practiceCard{position:absolute;top:14px;right:15px;border:1px solid #416b87;background:#122536e8;border-radius:4px;padding:10px 13px;max-width:215px;font-size:11px}#practiceCard b,#practiceCard span{display:block}#practiceCard span{color:#a9bfce;margin-top:3px}#emptyMessage{position:absolute;inset:40% 10%;text-align:center;color:#bbc9d3;pointer-events:none}.scrubber{display:flex;gap:8px;align-items:center;height:46px;padding:0 12px;background:#25292e;border-top:1px solid #393f44}.scrubber button{font-size:22px;min-width:28px;padding:0}.scrubber #play{font-size:13px}input[type=range]{accent-color:#69aee0;min-width:0;cursor:pointer;height:4px}#sliceRange{flex:1;margin:0 8px}.scrubber label{display:flex;align-items:center;font-size:11px;white-space:nowrap;color:#acb6bd;gap:5px}#sliceNumber{width:43px;background:#1d2227;border:1px solid #434c54;color:#eee;text-align:center;border-radius:3px;padding:4px;appearance:textfield}#sliceNumber::-webkit-inner-spin-button{appearance:none}.settings{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#5b6269 transparent}.menu-heading{padding:19px 19px 12px;display:flex;justify-content:space-between;align-items:center;font-size:14px}.dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #64aee41c}.setting-section{padding:17px 18px;border-bottom:1px solid var(--line)}h3{font-size:11px;letter-spacing:.15px;margin:0 0 14px;display:flex;align-items:center;justify-content:space-between}.badge{background:#4c565e;font-size:9px;border-radius:3px;padding:2px 6px;font-weight:400}.setting-section p{font-size:11px;color:var(--muted);margin:0 0 10px}.info-box{font-size:10px;line-height:1.6;color:#a9b3bd;padding:10px 12px;background:#252a2f;border-radius:3px;border-left:2px solid #557c9b}input[type=text],input:not([type]),textarea,dialog select,#search{width:100%;background:var(--input);border:1px solid var(--line);border-radius:4px;color:var(--text);padding:9px 10px}#search{font-size:10px;margin-bottom:12px}.switch-row{display:flex;align-items:center;gap:9px;position:relative;min-height:37px;font-size:11px;cursor:pointer}.switch-row img{width:20px;height:20px;object-fit:contain;margin-right:3px}.switch-row .key{margin-left:0}.switch-row input{position:absolute;opacity:0;right:0;width:32px;height:24px}.switch{margin-left:auto;width:30px;height:17px;border-radius:15px;background:#626b74;position:relative;flex:none}.switch:after{content:'';width:13px;height:13px;border-radius:50%;position:absolute;top:2px;left:2px;background:#e8edf1;transition:.15s}input:checked+.switch{background:#467ba2}input:checked+.switch:after{left:15px}input:focus-visible+.switch{outline:2px solid var(--blue)}.key{font-size:9px;background:#454c54;border-radius:3px;padding:1px 4px;color:#b9c4cd}.wide{width:100%;text-align:left;border:1px solid #58636d;border-radius:4px;padding:9px 11px;margin-top:9px;font-size:11px}.wide.on{background:#315977;border-color:#6daee0}.micro{font-size:9px!important;line-height:1.5;margin-top:10px!important;color:#98a3ad!important}.range-label{display:block;font-size:11px;margin-bottom:18px}.range-label output{float:right;font-size:10px;color:#94a9b9}.range-label input{display:block;width:100%;margin:13px 0 0}.actions button{display:block;font-size:11px;text-align:left;padding:7px 0;width:100%;color:#becbd5}.filmstrip-bar{grid-column:1/-1;display:flex;align-items:center;background:#353a40;border-top:1px solid #4a5159;gap:14px;padding:8px 13px;min-width:0}.film-label{width:88px;flex:none;text-align:center;font-size:8px;letter-spacing:1.4px;color:#96a4b0}.film-label b{display:block;font-size:13px;font-weight:400;letter-spacing:1px;color:#dee7ee;margin-top:4px}.filmstrip{display:flex;gap:5px;overflow-x:auto;min-width:0;height:61px;scrollbar-width:thin;scrollbar-color:#637688 #262b31}.frame{padding:2px;border:1px solid #59616a;flex:none;position:relative;background:#050505;height:52px;width:57px;border-radius:2px}.frame img{width:100%;height:100%;object-fit:cover;opacity:.65}.frame.selected{border:2px solid #70b8ea}.frame.selected img{opacity:1}.frame small{position:absolute;bottom:1px;right:3px;font-size:8px;background:#0009;color:white}.about{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 6px 22px}.eyebrow{font-size:9px;letter-spacing:1.5px;color:var(--blue);margin-bottom:6px}h1{font-size:24px;font-weight:500;letter-spacing:-.4px;margin:0 0 4px}.about p{font-size:12px;color:var(--muted);margin:0}.about-right{color:var(--muted);font-size:10px}.about-right a{display:block;margin-top:10px;color:var(--blue)}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#6fad90;margin-right:5px}footer{padding:16px 6px 30px;border-top:1px solid var(--line);font-size:10px;color:#78848f;display:flex;gap:50px}footer p{flex:1;margin:0;line-height:1.7}dialog{background:var(--panel);color:var(--text);border:1px solid #596a77;border-radius:10px;max-width:440px;width:calc(100% - 30px);padding:24px;box-shadow:0 20px 100px #000a}dialog::backdrop{background:#0009;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog-heading h2{font-size:19px;margin:0;font-weight:500}.dialog-heading button{font-size:25px}dialog label{display:block;margin-bottom:17px;font-size:12px}dialog input,dialog select,dialog textarea{display:block;margin-top:7px;width:100%}.dialog-actions{display:flex;justify-content:space-between;margin-top:24px}.dialog-actions button{padding:9px 14px;border-radius:4px}.primary{background:#427fa9;color:white}#deletePin{color:#db9a9a}dl{display:grid;grid-template-columns:90px 1fr;font-size:12px;gap:12px}dt{color:var(--blue)}dd{margin:0}dialog p{color:var(--muted);font-size:12px}#toast{position:fixed;bottom:23px;left:50%;transform:translate(-50%,20px);background:#e6edf3;color:#183043;padding:11px 20px;border-radius:5px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:9999;box-shadow:0 3px 20px #0005}#toast.visible{opacity:1;transform:translate(-50%,0)}.viewer.hide-menu{grid-template-columns:128px minmax(0,1fr)}.hide-menu .settings{display:none}.viewer:fullscreen{height:100vh;width:100vw;border-radius:0;min-height:0}body.light{--bg:#eef1f3;--panel:#e0e5e9;--raised:#d6dde2;--line:#c3cbd2;--text:#25333e;--muted:#5c6b77;--input:#f1f4f6;color-scheme:light}body.light header{background:#e5ebf0}.light .breadcrumb b{color:#445663}.light .toolbar,.light .scrubber,.light .planes,.light .filmstrip-bar{color:#e8ebee}.light .info-box{background:#d1dde6;color:#435c71}.light .actions button{color:#415e76}.light .badge{color:white}.light footer{color:#61727e}@media(min-width:1500px){.viewer{grid-template-columns:160px minmax(0,1fr) 320px}.plane-btn img{width:110px;height:95px}}@media(max-width:1050px){header{gap:25px;padding:0 22px}nav{gap:18px}.viewer{grid-template-columns:95px minmax(0,1fr) 245px}.plane-btn img{width:65px;height:62px}.toolbar{gap:5px;padding:0 8px}.toolbar select{max-width:83px}.study-title{font-size:11px}main{padding:0 15px}.icon{min-width:28px}nav a:nth-child(2){display:none}}@media(max-width:750px){header{height:72px;padding:0 14px;gap:15px}.brand{font-size:20px}.brandmark{width:29px;height:35px;font-size:30px}nav{display:none}.header-right{gap:8px}.outline{padding:8px;font-size:10px}main{padding:0 8px}.breadcrumb{font-size:8px;height:37px;gap:8px}.viewer{height:calc(100svh - 129px);min-height:490px;grid-template-columns:65px minmax(0,1fr);grid-template-rows:minmax(0,1fr) 65px;position:relative}.settings{display:none;position:absolute;right:0;top:58px;bottom:65px;width:245px;z-index:5}.viewer.mobile-menu .settings{display:block}.planes{padding:13px 3px}.section-caption{padding-left:5px}.plane-btn{padding:7px 0}.plane-btn img{width:49px;height:48px}.plane-btn span{font-size:8px}.plane-btn small{font-size:8px}.plane-note{font-size:9px;padding:10px 3px}.toolbar select{display:none}.toolbar .study-title{font-size:11px}.tools{gap:0}.icon{min-width:26px;font-size:18px}.scan-meta{font-size:8px;left:12px}#scanSource{display:none}.view-bottom{font-size:8px;left:9px;right:9px}.filmstrip-bar{padding:6px;gap:5px}.film-label{width:49px;font-size:7px}.film-label b{font-size:9px}.filmstrip{height:53px}.frame{height:43px;width:47px}.about{display:block;padding:22px 5px}.about-right{margin-top:14px}h1{font-size:21px}footer{display:block;padding:15px 5px}footer p{margin-bottom:12px}.viewer.hide-menu{grid-template-columns:65px minmax(0,1fr)}#practiceCard{top:45px;max-width:160px;font-size:9px}.scrubber{gap:2px;padding:0 4px}.scrubber button{min-width:23px}#sliceRange{margin:0 3px}}
#atlasLines,#atlasLabels{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}#atlasLines{z-index:2;overflow:visible}#atlasLines path{fill:none;stroke-width:1}#atlasLabels{z-index:3}.atlas-dot{position:absolute;width:8px;height:8px;padding:0;transform:translate(-50%,-50%);border-radius:50%;border:1px solid #000;background:var(--label-color);pointer-events:auto}.atlas-dot:hover,.atlas-dot.selected{width:13px;height:13px;box-shadow:0 0 0 3px #ffffff80;z-index:5}.atlas-label{position:absolute;height:20px;padding:1px 5px;color:var(--label-color);background:#071015d9;text-align:left;font-size:10px;line-height:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:2px;pointer-events:auto}.atlas-label:hover,.atlas-label.selected{background:#244861;color:#fff;outline:1px solid #97cdee;z-index:5}#labelPager{position:absolute;bottom:31px;left:50%;transform:translateX(-50%);background:#10202de8;border-radius:5px;z-index:4;display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:9px;color:#c1d5e2}#labelPager[hidden]{display:none}#labelPager button{font-size:21px;padding:1px 9px}#selectedStructure{position:absolute;bottom:66px;left:50%;transform:translateX(-50%);width:min(330px,85%);padding:12px 26px 10px 14px;background:#152b3bf5;border:1px solid #6594b5;border-radius:5px;z-index:4;font-size:11px;color:#edf6fb}#selectedStructure strong,#selectedStructure small{display:block}#selectedStructure small{color:#abc2d2;font-size:9px;margin:4px 0}#selectedStructure div{display:flex;justify-content:space-between}#selectedStructure div button{font-size:10px;padding:5px 0;color:#9cd6ff}.structure-close{position:absolute;right:3px;top:2px;font-size:20px}.filter-actions{display:flex;gap:8px;margin:10px 0}.filter-actions button{background:#45535e;border-radius:3px;padding:5px 10px;font-size:10px}.structure-list{max-height:180px;overflow:auto;border:1px solid var(--line);border-radius:4px;scrollbar-width:thin}.structure-row{display:block;width:100%;text-align:left;padding:7px 9px;font-size:11px;border-bottom:1px solid #ffffff0b}.structure-row.selected{background:#315c7a;color:#e0f1ff}.result-count{font-size:10px!important}details summary{cursor:pointer;font-size:11px;padding:10px 0;color:var(--blue)}#practiceCard{z-index:4;top:8px;max-width:180px;padding:5px 9px}#pinsLayer{z-index:6}@media(max-width:750px){.atlas-label{font-size:9px}.scan-meta{top:8px}#practiceCard{max-width:140px;top:4px}#practiceCard span{display:none}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#studyGroupSelect{width:100%;padding:8px;background:var(--input);color:var(--text);border:1px solid var(--line);border-radius:4px;font-size:11px}.group-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.group-actions button{border:1px solid #5c6973;border-radius:4px;padding:7px 4px;font-size:10px}#studyGroupDialog{max-width:570px;max-height:90svh;overflow:auto}#groupStructureSearch{width:100%;padding:9px;background:var(--input);color:var(--text);border:1px solid var(--line);border-radius:4px}#groupStructurePicker{height:260px;overflow:auto;border:1px solid var(--line);border-radius:5px;padding:5px}.group-pick-row{display:flex!important;align-items:center;gap:10px;margin:0!important;padding:8px;border-bottom:1px solid #ffffff0b;cursor:pointer}.group-pick-row input{width:16px;margin:0;flex:none;accent-color:var(--blue)}.group-picker-tools{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-bottom:10px}.group-picker-tools label{display:flex;align-items:center;gap:7px;margin:0}.group-picker-tools input{width:auto;margin:0}#groupStudyNav{display:flex;align-items:center;gap:8px;padding:7px 12px;background:#193447;color:#d5e8f5;border-top:1px solid #40617a;flex:none}#groupStudyNav[hidden]{display:none}#groupStudyNav span{flex:1;min-width:0}#groupStudyName{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}#groupStudyProgress{display:block;font-size:9px;color:#adc7d9}#groupStudyNav button{font-size:23px;padding:0 12px;border:1px solid #51738c;border-radius:3px}
.plane-preview{position:relative;width:100%;margin:0 auto;aspect-ratio:172/215;background:#000;overflow:hidden}.plane-btn .plane-preview img{display:block;width:100%;height:100%;object-fit:contain;opacity:1}.plane-locator{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.plane-locator path{fill:none;stroke:#ffb453;stroke-width:2;vector-effect:non-scaling-stroke;filter:drop-shadow(0 1px 1px #000)}.plane-btn.has-reference small{color:#ffc87c}.locator-key{display:inline-block!important;width:16px;height:2px;background:#ffb453;vertical-align:middle;margin:0 4px 3px 0}.plane-note{line-height:1.6}.plane-note>span:last-child{font-size:9px}.plane-btn{margin-bottom:5px}.plane-btn span{margin-bottom:5px}@media(max-width:750px){.plane-btn small{font-size:7px}.plane-note>span:last-child{font-size:8px}}
.modules-menu{position:relative;letter-spacing:1px;font-size:11px}.modules-menu summary{font-size:11px;color:inherit;padding:10px 0}.modules-menu>div{position:absolute;top:100%;right:0;min-width:205px;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:8px;z-index:30;box-shadow:0 8px 20px #0007}.modules-menu>div button{display:block;width:100%;height:auto;padding:12px;text-align:left;letter-spacing:0;font-size:12px}#gridToggle{font-size:23px;padding:0 6px}#gridToggle[aria-pressed=true]{background:#356895;border-radius:3px}#deleteStudyGroup{color:#f1b4ac}#gridControls{display:flex;flex-wrap:wrap;align-items:center;gap:6px 15px;padding:7px 12px;background:#202c35;font-size:10px;color:#cadbe8}#gridControls b{font-size:11px}#gridControls label{cursor:pointer;display:flex;gap:5px;align-items:center}#gridControls span{color:#9eafbb;font-size:9px}#gridControls[hidden],#scanGrid[hidden]{display:none}#scanGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:3px;flex:1;min-height:0;background:#4c5962}.grid-mode #stage{display:none}.grid-mode .planes{display:none}.viewer.grid-mode{grid-template-columns:minmax(0,1fr) 290px}.viewer.grid-mode.hide-menu{grid-template-columns:minmax(0,1fr)}.grid-panel{min-height:0;min-width:0;display:flex;flex-direction:column;background:#030608;overflow:hidden;border:1px solid transparent}.grid-panel.active{border-color:#70b8ea}.grid-panel-head{display:flex;align-items:center;justify-content:space-between;background:#18232c;color:#bed7e8;font-size:10px;padding:3px 9px;flex:none;min-height:25px}.grid-panel-head button{font-size:11px;padding:0 5px;color:#8bcfff}.grid-image-stage{flex:1;min-height:0;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden;cursor:crosshair}.grid-picture{position:relative;height:100%;max-width:100%;aspect-ratio:740/775;flex:none}.grid-picture>img{display:block;width:100%;height:100%;object-fit:fill;pointer-events:none}.grid-dot{position:absolute;width:6px;height:6px;border:1px solid #000;border-radius:50%;padding:0;transform:translate(-50%,-50%);box-shadow:0 0 1px #fff}.grid-dot:hover,.grid-dot.selected{width:10px;height:10px;outline:1px solid white;z-index:2}.grid-detail{height:23px;flex:none;font-size:9px;color:#f6d7a4;padding:4px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:#10191f}.grid-panel-controls{display:flex;gap:6px;align-items:center;height:25px;flex:none;background:#1d2932;padding:0 6px}.grid-panel-controls input{flex:1;min-width:0}.grid-panel-controls button{font-size:22px;padding:0 8px}.grid-reference-images{display:flex;align-items:center;justify-content:center;gap:12px;flex:1;min-height:0;padding:6px}.grid-reference-images>div{height:100%;aspect-ratio:172/235;min-width:0;max-width:42%}.grid-reference-images small{display:block;text-align:center;color:#a3b9c9;font-size:9px;height:16px}.grid-reference-images .plane-preview{height:calc(100% - 16px);width:100%}.grid-reference-images img{width:100%;height:100%;object-fit:fill}.grid-reference p{font-size:9px;color:#9bafbe;margin:5px 9px;flex:none}nav{gap:18px}@media(max-width:1050px){.viewer.grid-mode{grid-template-columns:minmax(0,1fr) 245px}}@media(max-width:750px){header{gap:8px;flex-wrap:wrap;height:auto;min-height:85px;padding:10px 12px}header nav{display:flex;order:3;width:100%;height:25px;gap:18px}header nav a{display:none}header nav button{font-size:10px}header .modules-menu summary{padding:0}.modules-menu>div{left:0;right:auto}.viewer.grid-mode{grid-template-columns:minmax(0,1fr)}.grid-mode .settings{top:58px}.grid-reference p{font-size:8px}.grid-panel-head{font-size:9px}.grid-detail{font-size:8px}#gridControls{font-size:9px;padding:4px 8px}.viewer{height:calc(100svh - 160px)}}
.viewer.grid-mode{height:max(780px,calc(100svh - 145px));min-height:780px;grid-template-rows:minmax(0,1fr)}.grid-mode .filmstrip-bar{display:none}.viewer.grid-mode:fullscreen{height:100svh;min-height:0}.grid-mode .grid-detail{font-size:10px}.grid-reference-images>div{max-width:44%}
.grid-mode #pan{display:none}
#gridLayout,.grid-panel-head select{background:#233644;color:#d8e9f5;border:1px solid #4d687b;border-radius:3px;font-size:11px;padding:3px 5px;max-width:125px}.grid-panel-head select{min-width:0;max-width:60%}#gridControls small{font-size:9px;color:#a9bbc7}.grid-panel-head{gap:5px}.grid-panel-head>span{white-space:nowrap}.grid-reference-images{overflow:hidden}
#gridViewport{position:relative;display:flex;flex:1;min-height:0;min-width:0}#gridViewport[hidden]{display:none}#scanGrid{width:100%}#scrollReference{position:absolute;right:12px;bottom:40px;width:210px;max-width:42%;background:#111e29ed;border:1px solid #526d81;border-radius:7px;padding:8px;z-index:8;pointer-events:none;opacity:0;visibility:hidden;transform:translateY(5px);transition:opacity .2s,transform .2s,visibility 0s .2s;box-shadow:0 4px 20px #0008}#scrollReference.visible{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .15s,transform .15s}.scroll-reference-title{font-size:10px;color:#ffc676;margin-bottom:6px}.scroll-reference-images{display:flex;gap:7px}.scroll-reference-images>div{flex:1;min-width:0}.scroll-reference-images small{display:block;text-align:center;font-size:9px;color:#b3c7d6;margin-bottom:4px}.scroll-reference-picture{position:relative;width:100%;height:auto;background:#000}.scroll-reference-picture img{display:block;width:100%;height:auto;aspect-ratio:172/215;object-fit:contain}.scroll-reference-picture .plane-locator{position:absolute;inset:0;width:100%;height:100%}@media(max-width:750px){#scrollReference{width:165px;right:7px;bottom:35px;padding:6px}}

/* Minimal reference overlay: images and position markers only. */
#scrollReference{background:transparent;border:0;box-shadow:none;border-radius:0;padding:0;width:180px;bottom:32px;right:8px}.scroll-reference-images{gap:5px}.scroll-reference-picture{background:transparent}.grid-detail:empty{display:none}.grid-detail{background:#000;color:#e4e9ed}@media(max-width:750px){#scrollReference{width:140px;padding:0;bottom:30px;right:6px}}
.grid-panel{position:relative}.grid-detail{position:absolute;left:5px;right:5px;bottom:27px;height:auto;z-index:3;pointer-events:none;background:#000b;border-radius:2px}
/* Focused viewer chrome. */
[hidden]{display:none!important}header{height:68px;min-height:68px;padding:0 22px;gap:32px}.brand{font-size:23px}nav{gap:20px}.header-right{gap:8px}#moreMenu summary{color:var(--muted)}main{padding-top:10px}.viewer{height:calc(100svh - 90px);grid-template-rows:minmax(0,1fr);min-height:520px}.viewer.grid-mode{height:calc(100svh - 90px);min-height:620px}.viewer:fullscreen,.viewer.grid-mode:fullscreen{height:100svh;min-height:0}.filmstrip-bar{display:none}.viewer.show-film:not(.grid-mode){grid-template-rows:minmax(0,1fr) 78px}.viewer.show-film:not(.grid-mode) .filmstrip-bar{display:flex}.grid-mode .scrubber{display:none}#fullscreen{font-size:23px;min-width:30px}.toolbar{height:48px;background:#171c20}.study-title{font-weight:400;font-size:12px}.study-title small{display:none}.settings{background:#22282d}.setting-section{padding:13px 16px;border-color:#343c43}.setting-section h3{font-size:12px;margin-bottom:10px}.group-management summary{font-size:10px;padding:9px 0;color:#a7b8c5}.group-actions{margin-bottom:6px}.group-actions button{border-color:#44525c}#studyGroupStatus{display:none}.labels-toggle{min-height:30px;margin-top:8px;font-size:10px}.wide.primary{margin-top:3px;text-align:center;padding:8px;background:#355a73;border-color:#486f8a}.setting-section details>summary{padding:5px 0;color:#abbfcd;font-weight:400}.setting-section details[open]>summary{margin-bottom:10px}#search{margin-bottom:8px;padding:8px 10px;font-size:11px}.structure-list{max-height:240px}.structure-row{font-size:11px;padding:6px 8px}.result-count{color:#8496a3!important;margin-bottom:6px!important}#groupStudyName{display:none}#groupStudyNav{background:#161e24;border-color:#34434e;padding:5px 10px}#groupStudyNav button{border:0;font-size:20px}#groupStudyProgress{font-size:10px}#gridControls{background:#171f25;padding:5px 10px;gap:12px;color:#a9bbc7}#gridControls label{font-size:10px}#gridLayout{font-size:10px}.grid-panel-head{background:#151e25}.grid-panel-controls{background:#141c22}.planes{background:#111619}#practiceCard{background:#15232dd9;border:0;padding:4px 8px;font-size:10px}#practiceCard span{display:none}@media(max-width:750px){header{flex-wrap:nowrap;gap:16px;padding:0 12px;min-height:65px;height:65px}header nav{order:0;width:auto;height:auto;margin-left:auto}header .header-right{margin-left:0}.brand{font-size:20px}.brand small{font-size:7px;letter-spacing:1.6px}.viewer{height:calc(100svh - 85px)}.viewer.grid-mode{height:calc(100svh - 85px);min-height:550px}.settings,.grid-mode .settings{top:48px;bottom:0}.modules-menu>div{left:auto;right:0}.toolbar .study-title{font-size:10px}.toolbar{gap:3px;padding:0 6px}.tools{gap:0}#fullscreen{min-width:25px}.viewer.show-film:not(.grid-mode){grid-template-rows:minmax(0,1fr) 65px}}
.header-right>#theme{font-size:25px;line-height:1;padding:5px 8px}.modules-menu>div #shortcuts,.modules-menu>div #download{font-size:12px}.label-mode-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;font-size:11px}#labelMode{padding:5px;background:#1a252d;border:1px solid #435564;border-radius:3px;color:#dae7ef;font-size:10px;max-width:165px}.viewer.show-film{grid-template-rows:minmax(0,1fr) 78px}.viewer.show-film .filmstrip-bar{display:flex}.grid-orient{position:absolute;z-index:4;font-size:9px;color:#9baebc;pointer-events:none}.grid-orient.top{top:2px;left:50%}.grid-orient.bottom{bottom:2px;left:50%}.grid-orient.left{left:3px;top:50%}.grid-orient.right{right:3px;top:50%}.grid-name-lines,.grid-names{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}.grid-name-lines path{fill:none;stroke-width:1;opacity:.65}.grid-name{position:absolute;pointer-events:auto;font-size:9px;line-height:16px;height:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#071015db;border-radius:2px;padding:0 4px;text-align:left}.grid-name:hover{background:#29485f}.grid-name-pager{position:absolute;bottom:3px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:7px;background:#101b23e8;font-size:9px;z-index:5}.grid-name-pager button{font-size:16px;padding:0 7px}@media(max-width:750px){.viewer.show-film{grid-template-rows:minmax(0,1fr) 65px}}

body.light .settings{background:var(--panel);color:var(--text)}body.light .setting-section{border-color:var(--line)}body.light .setting-section details>summary,body.light .group-management summary{color:#425e73}body.light .result-count{color:#607382!important}body.light .structure-row{color:var(--text)}body.light .structure-row.selected{background:#b6d5ec;color:#123}body.light .wide.primary{color:#fff}body.light #labelMode{background:var(--input);color:var(--text);border-color:var(--line)}

/* Keep the sidebar full height; thumbnails belong only beneath the images. */
.viewer>.planes{grid-column:1;grid-row:1}.viewer>.workspace{grid-column:2;grid-row:1;min-height:0}.viewer>.settings{grid-column:3;grid-row:1 / -1;min-height:0;overflow:auto}.viewer>.filmstrip-bar{grid-column:1 / 3;grid-row:2;min-width:0}
.viewer.grid-mode>.workspace{grid-column:1}.viewer.grid-mode>.settings{grid-column:2}.viewer.grid-mode>.filmstrip-bar{grid-column:1}.viewer.hide-menu>.filmstrip-bar{grid-column:1 / -1}
.viewer.expanded-view{position:fixed;inset:0;width:100vw;height:100svh;min-height:0;z-index:1000;border-radius:0}.viewer:fullscreen .toolbar,.viewer.expanded-view .toolbar{position:relative;z-index:10}#fullscreen[aria-pressed=true]{background:#355a73;color:#fff;border-radius:4px}
#modulesMenu summary{list-style:none;display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:7px;cursor:pointer;letter-spacing:.3px;font-size:12px}#modulesMenu summary::-webkit-details-marker{display:none}#modulesMenu summary::after{content:'';width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.65}#modulesMenu[open] summary{background:var(--raised)}#modulesMenu[open] summary::after{transform:rotate(225deg)}#modulesMenu>div{left:0;right:auto;min-width:275px;padding:6px;border-radius:12px;box-shadow:0 12px 35px #0005}#modulesMenu #tapModule{display:flex;align-items:center;gap:12px;padding:13px 12px;border-radius:8px;color:var(--text)}.module-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:#64aee41c;color:var(--blue);font-size:23px}.module-copy{display:flex;flex-direction:column;gap:3px}.module-copy strong{font-size:12px;font-weight:550}.module-copy small{font-size:10px;color:var(--muted)}.module-arrow{margin-left:auto;color:var(--muted)}
@media(max-width:750px){.viewer>.settings,.viewer.grid-mode>.settings{grid-column:auto;grid-row:auto;bottom:0;z-index:20}.viewer>.filmstrip-bar{grid-column:1 / -1}#modulesMenu>div{left:auto;right:0}}

#modulesMenu .external-module{display:flex;align-items:center;gap:12px;padding:13px 12px;border-radius:8px;color:var(--text);height:auto;letter-spacing:0}#modulesMenu .external-module:hover{background:#ffffff13}

.modules-menu .atlas-module{display:flex;justify-content:space-between;height:auto;padding:12px;border-radius:8px;font-size:12px;letter-spacing:0}.atlas-module:hover{background:#64aee41c}.atlas-module span{color:var(--muted)}.plane-btn span{overflow-wrap:anywhere}

.viewer{position:relative}.dot-tooltip{position:absolute;z-index:100;pointer-events:none;padding:7px 10px;border:1px solid #70838f;border-radius:5px;background:#111b24f5;color:#f4f7fa;font-size:12px;line-height:1.4;box-shadow:0 3px 12px #0008;overflow-wrap:anywhere;text-align:center}.atlas-dot:focus-visible,.grid-dot:focus-visible{outline:2px solid #fff;outline-offset:3px}

.search-scope{display:flex;align-items:center;justify-content:space-between;font-size:10px;gap:8px;margin:0 0 10px}.search-scope select{font-size:10px;background:var(--input);color:var(--text);border:1px solid var(--line);padding:5px;border-radius:4px}.structure-result-row{display:flex;align-items:center;border-bottom:1px solid var(--line)}.structure-result-row .structure-row{flex:1;min-width:0;border:0}.structure-result-row .structure-row:disabled{opacity:.65}.structure-membership{flex:none;width:28px;height:28px;font-size:18px;color:var(--blue)}#temporaryLabels{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:10px;color:var(--muted);gap:4px;margin-bottom:10px}#temporaryLabels button{color:var(--blue);font-size:10px}#temporaryLabels small{flex-basis:100%;font-size:9px}

.grid-slice-reference{position:absolute;pointer-events:none;z-index:4;background:#ffc85e;box-shadow:0 0 3px #000b;animation:slice-reference-fade 2.2s forwards}.grid-slice-reference.horizontal{left:0;right:0;height:2px;transform:translateY(-50%)}.grid-slice-reference.vertical{top:0;bottom:0;width:2px;transform:translateX(-50%)}@keyframes slice-reference-fade{0%,72%{opacity:.95}100%{opacity:0}}@media(prefers-reduced-motion:reduce){.grid-slice-reference{animation:none}}

#groupPinPicker{max-height:240px;overflow:auto}#pinCopyActions:not([hidden]){display:flex;align-items:center;gap:8px}#pinCopyActions input{width:auto}.grid-picture .personal-study-pin{z-index:6}.grid-picture .personal-study-pin span{max-width:160px}#groupPinPicker .group-pick-row{font-size:13px}

.planes a.plane-btn{display:block;text-align:center;text-decoration:none;padding:18px 8px}

/* Never pair a newly selected slice's annotations with the previous bitmap. */
#stage.image-loading #atlasLabels,#stage.image-loading #atlasLines,#stage.image-loading #pinsLayer,#stage.image-loading #labelPager,#stage.image-loading #selectedStructure,
.grid-image-stage.image-loading .grid-dot,.grid-image-stage.image-loading .personal-study-pin,.grid-image-stage.image-loading .grid-names,.grid-image-stage.image-loading .grid-name-lines,.grid-image-stage.image-loading .grid-name-pager{visibility:hidden!important;pointer-events:none!important}
#stage.image-loading::after,.grid-image-stage.image-loading::after{content:none;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:5px 9px;border-radius:4px;background:#111d;color:#dce6ee;font-size:11px;z-index:12;pointer-events:none}
#stage.image-failed::after,.grid-image-stage.image-failed::after{content:'Image unavailable — try another slice';}