/* Canvas-first shell; one DOM instance of each panel on desktop and touch. */
body{height:100dvh}
.workspace{grid-template-columns:var(--left-width,268px) minmax(0,1fr) var(--right-width,300px)}
body:not([data-mode="design"]) .workspace{grid-template-columns:minmax(0,1fr) var(--right-width,340px)}
body:not([data-mode="design"]) .sidebar.left{display:none}
.sidebar{position:relative}
body.left-collapsed .sidebar.left,body.right-collapsed .sidebar.right{display:none}
body.left-collapsed[data-mode="design"] .workspace{grid-template-columns:minmax(0,1fr) var(--right-width,300px)}
body.right-collapsed[data-mode="design"] .workspace{grid-template-columns:var(--left-width,268px) minmax(0,1fr)}
body.left-collapsed.right-collapsed .workspace,body.right-collapsed:not([data-mode="design"]) .workspace{grid-template-columns:1fr}
.dock-handle{position:absolute;top:0;bottom:0;width:8px;z-index:4;cursor:col-resize;touch-action:none}
.sidebar.left .dock-handle{right:0}.sidebar.right .dock-handle{left:0}
.sheet-close,.mobile-tools,.sheet-backdrop{display:none}
.workflow-sheet{position:fixed;right:12px;top:112px;bottom:12px;width:min(520px,calc(100vw - 24px));z-index:25;background:var(--panel);border:1px solid var(--line-3);border-radius:12px;overflow:auto;box-shadow:var(--dialog-shadow)}
.sheet-head{position:sticky;top:0;background:var(--panel);z-index:3;display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--line)}
.workflow-sheet h2{font-size:16px;margin:0 0 12px}.workflow-sheet h3{font-size:14px}
.workflow-sheet input,.workflow-sheet select{margin-bottom:8px}
.panel-actions{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.facility-card{padding:10px;margin:10px 0;border:1px solid var(--line);border-radius:8px}
.facility-card summary{cursor:pointer;font-weight:700;padding:4px 0}
.workflow-sheet textarea{width:100%;min-height:120px;padding:8px;background:var(--bg-2);color:var(--text);border:1px solid var(--line);border-radius:6px;font-family:monospace}
.workflow-sheet textarea:focus-visible{outline:2px solid var(--info)}
#account-dialog{width:min(760px,calc(100% - 24px));max-height:90dvh}
#account-status{padding:10px 20px;margin:0;overflow-wrap:anywhere;color:var(--warn)}
.account-body{max-height:calc(90dvh - 130px)}
.account-form{display:grid;gap:8px}
.account-section{margin:14px 0;padding:12px;border:1px solid var(--line);border-radius:8px}
.account-section>.btn{margin:4px 4px 4px 0}.account-section summary{cursor:pointer;font-weight:600}
.account-section .panel-actions .btn{white-space:normal;height:auto;min-height:34px}
.account-list{display:grid;gap:8px}.account-list>.btn{height:auto;min-height:36px;white-space:normal;text-align:left;justify-content:flex-start}
.account-project{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:10px;border:1px solid var(--line);border-radius:8px}
.account-project>span{flex:1;min-width:150px;overflow-wrap:anywhere}
.account-error{color:var(--danger)!important}.account-dev{flex-direction:column}
@media (max-width:820px){.top-actions #open-account{display:inline-flex;height:36px;width:auto;max-width:80px;padding:0 8px;font-size:11px}}
.scenario-action{padding:10px;margin-top:8px;background:var(--bg-2);border:1px solid var(--line);border-radius:8px}
.waypoint-card.selected{border-left:3px solid var(--lime)}
.analysis-status{left:12px;top:64px;padding:6px 9px;max-width:calc(100% - 100px);font-size:11px;pointer-events:none}
.analysis-status.pending{color:var(--warn)}
.placement-confirm{left:50%;bottom:80px;transform:translateX(-50%);display:flex;gap:8px;padding:8px;z-index:6}
.minimap{left:12px;bottom:68px;width:90px;height:120px;cursor:pointer}
.tile-name{white-space:normal;overflow:visible;text-overflow:clip}.tile-spec{white-space:normal}
#object-list{margin-top:16px}#object-list .object-row{display:block;width:100%;text-align:left;margin:4px 0;white-space:normal;height:auto;min-height:34px}
.transport{display:grid;grid-template-columns:34px auto minmax(80px,1fr) 92px 70px auto auto}
.transport input[type=range]{width:100%;min-width:80px}
.viewport:focus-within{outline-offset:-2px}
.fp-start p{max-width:500px}
.workflow-sheet input:focus{scroll-margin:60px}
body[data-mode="auto"]{--right-width:460px}
.btn:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--info);outline-offset:2px}
@media (max-width:1100px) and (min-width:821px){.workspace{grid-template-columns:220px minmax(0,1fr) 250px}.toolbar{gap:1px}.toolbar .btn{padding:0 7px}}
@media (max-width:820px){
 body{overflow:hidden;display:flex;flex-direction:column;height:100dvh}
 .topbar{height:50px;min-height:50px;flex-wrap:nowrap;padding:6px 10px;gap:8px}
 .brand-name{font-size:11px;letter-spacing:.06em}.brand-mark,.brand-sub{display:none}
 .doc{flex:1;min-width:0}.doc input{font-size:12px}.save-state{font-size:9px}
 .top-actions{width:auto;margin-left:auto;gap:3px}.top-actions .btn{display:none}.top-actions #save-layout{display:inline-flex;height:36px;padding:0 9px}.top-actions #save-layout .label{display:none}
 .modebar{min-height:44px;height:44px;overflow:auto;padding:0 4px}.tab{padding:0 9px;gap:5px;font-size:11px}
 .modebar-right{display:flex;position:static}.modebar-right .btn{min-width:44px}
 .workspace,body:not([data-mode="design"]) .workspace{display:block;flex:1;min-height:0;position:relative}
 .viewport{height:100%;width:100%;order:initial;min-height:0}
 .sidebar.left,.sidebar.right,body:not([data-mode="design"]) .sidebar.left{display:none;position:fixed;left:0;right:0;bottom:calc(58px + env(safe-area-inset-bottom));top:auto;max-height:72dvh;height:auto;z-index:30;border:1px solid var(--line-3);border-radius:16px 16px 0 0;overflow-y:auto}
 body[data-sheet="equipment"] .sidebar.left,body[data-sheet="inspector"] .sidebar.right{display:block}
 .sheet-close{display:block;margin:8px 12px;min-height:44px}
 .mobile-tools{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));min-height:58px;background:var(--panel);border-top:1px solid var(--line);z-index:35}
 .mobile-tools .btn{height:44px;font-size:12px;padding:0 3px}
 .sheet-backdrop:not([hidden]){display:block;position:fixed;inset:0;z-index:24;background:var(--backdrop)}
 .workflow-sheet{left:0;right:0;top:auto;bottom:calc(58px + env(safe-area-inset-bottom) + var(--keyboard-inset,0px));width:100%;max-height:calc(var(--visual-height,100dvh) - 100px);border-radius:16px 16px 0 0}
 body[data-sheet] .sidebar{bottom:calc(58px + env(safe-area-inset-bottom) + var(--keyboard-inset,0px));max-height:calc(var(--visual-height,100dvh) - 100px)}
 .toolbar{left:6px;right:6px;top:6px;max-width:none;padding:3px;overflow:auto;flex-wrap:nowrap;justify-content:flex-start}
 .toolbar .btn,.toolbar .btn.icon{height:40px;min-width:40px}.toolbar select{height:40px}.toolbar .divider{margin:0 1px}
 .analysis-status{top:58px;font-size:10px;max-width:calc(100% - 24px)}
 .viewcube{display:none}.minimap{display:none}.legend,.hud{display:none}
 .zoom{bottom:8px;right:8px;top:auto}.zoom .btn{width:44px;height:44px}
 body[data-mode="sim"] .zoom{bottom:124px}
 .transport{left:8px;bottom:8px;transform:none;width:calc(100% - 16px);padding:7px;gap:6px;grid-template-columns:44px minmax(65px,1fr) 64px 64px 64px}
 .transport .btn{height:40px;padding:0 7px}.transport .time{grid-row:2;grid-column:1/3;min-width:0;text-align:left}
 .transport input[type=range]{grid-row:1;grid-column:1/-1;height:32px;min-width:100px}
 .transport select{width:64px;height:40px;grid-row:2;grid-column:3}.transport #sim-loop{grid-row:2;grid-column:4}.transport #sim-follow{grid-row:2;grid-column:5}
 .transport>button:first-child{grid-row:3;grid-column:1}.transport #sim-play{grid-row:3;grid-column:2/-1}
 .btn,.btn.sm,input,select{min-height:44px}.lane-picker button{min-height:44px}
 .palette{grid-template-columns:1fr}.tile{min-height:56px}
 .saved{grid-template-columns:64px minmax(0,1fr)}.saved img{width:64px;height:44px}.saved .row-actions{grid-column:2}
 .ps-tools .btn{min-height:36px}.ps-head{padding:5px;gap:5px}.ps-side{max-height:32dvh}
 .dock-handle{display:none}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.mobile-tools,.workflow-sheet,.analysis-status,.minimap{display:none!important}}
.playback-dock{position:static;left:auto;bottom:auto;transform:none;width:100%;flex-shrink:0;border-top:1px solid var(--line);background:var(--panel);border-radius:0}
.placement-dock{display:flex;justify-content:center;gap:8px;padding:8px;background:var(--panel);flex-shrink:0}
/* Keep the range free of popup chrome: only snap toolbar and isometric ViewCube remain. */
@media (max-width:820px){.viewcube{display:block;transform:scale(.65);top:60px;right:8px}.playback-dock{width:100%;padding:6px;grid-template-columns:44px minmax(65px,1fr) 64px 64px 64px}}