@import url('./style.css') layer(legacy);

:root{--inset:clamp(18px,2.5vw,42px);--nav-width:clamp(184px,14vw,220px);--info-width:clamp(270px,20vw,330px);--line:rgba(23,25,27,.1);--glass:rgba(255,255,255,.78);--glass-border:1px solid rgba(255,255,255,.8);--glass-shadow:0 8px 36px rgba(24,31,40,.055),0 0 0 1px rgba(24,31,40,.045)}

/* The canvas occupies the entire screen; every card is an independent overlay. */
#app{position:relative;isolation:isolate;height:100svh;height:100dvh;min-height:100svh;overflow:hidden}
.workspace{display:contents;height:auto;min-height:0;padding:0}
.model-area,.viewport{position:absolute;inset:0;width:100%;height:100%;min-width:0;min-height:0;padding:0}
.viewport{overflow:hidden;background:white;touch-action:auto}
#model-canvas{position:absolute;inset:0;z-index:0;display:block;width:100%;height:100%;touch-action:none}
.wordmark,.menu-toggle,.intro,.inspector,.scene-meta,.interaction-hint,.adjust-view-tools,.view-tools,.model-selection-tools,.adjust-targets,.adjust-settings,.reset-adjustment,.toolbar-actions #assemble{background:var(--glass);border:var(--glass-border);box-shadow:var(--glass-shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.header{position:absolute;top:var(--inset);left:var(--inset);right:var(--inset);height:auto;margin:0;display:flex;align-items:center;justify-content:space-between;gap:20px;border:0;z-index:30;pointer-events:none}
.header>*{pointer-events:auto}
.wordmark{display:flex;align-items:center;justify-content:center;padding:17px 20px;gap:0;border-radius:24px}
.wordmark img{display:block;width:84px;height:auto}
.menu-toggle{display:flex;align-items:center;gap:16px;padding:19px 22px;min-height:58px;font-size:14px;letter-spacing:.06em;border-radius:24px}
.menu-toggle svg{width:16px;height:16px}

/* Navigation no longer contains project titles, dividers or active arrows. */
.intro{position:absolute;left:var(--inset);right:auto;top:50%;bottom:auto;transform:translateY(-50%);width:var(--nav-width);height:auto;min-height:0;max-height:calc(100% - 200px);padding:14px;margin:0;display:block;border-radius:28px;z-index:20;overflow:auto;scrollbar-width:thin}
.state-nav{position:static;inset:auto;display:flex;flex-direction:column;gap:18px;margin:0;max-width:none;pointer-events:auto}
.state-nav button{display:flex;align-items:center;gap:16px;width:100%;min-height:76px;padding:22px 14px;border:0;border-radius:18px;font-size:20px;line-height:1.4;font-weight:450;text-align:left;white-space:nowrap;color:#777d83;transition:color .2s,background .2s}
.state-nav button>span{font-size:14px;font-variant-numeric:tabular-nums;color:inherit}
.state-nav button:hover{color:#17191b;background:rgba(23,25,27,.035)}
.state-nav button.active,.state-nav button.active>span{color:#17191b}
.state-nav button.active{background:rgba(23,25,27,.06)}

/* All introductory text and page information live in the right-hand card. */
.inspector{position:absolute;display:block;top:calc(var(--inset) + 88px);right:var(--inset);bottom:auto;left:auto;width:var(--info-width);height:auto;min-height:0;max-height:calc(100% - var(--inset)*2 - 164px);margin:0;padding:26px;border-radius:28px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cbd0d5 transparent;z-index:20}
.project-intro{margin-bottom:30px}
.eyebrow{font-size:12px;line-height:1.6;letter-spacing:.08em;color:var(--muted)}
h1{font-size:32px;font-weight:500;line-height:1.35;letter-spacing:-1px;margin-top:14px}
h1>span{display:block;font-size:14px;font-weight:400;letter-spacing:0;color:var(--muted);margin-top:9px;line-height:1.7}
.panel-kicker{font-size:12px;gap:12px;min-height:22px}
.inspector .project-details{display:block;margin:20px 0 0;padding:0;border:0}
.project-details>div{padding:13px 0 15px;border-top:1px solid var(--line)}
.inspector .project-details dt{font-size:14px;line-height:1.5;padding:0}
.inspector .project-details dd{font-size:16px;line-height:1.65;text-align:left;margin-top:5px}
.system-list{margin-top:20px}
.system-list strong{font-size:16px}.system-list small{white-space:normal}
.selection-note{display:flex;margin-top:24px}.selection-note p{font-size:14px;line-height:1.8}
.component-model .selection-note{margin-top:0;color:#000}.component-model .selection-note p{font-size:18px;line-height:1.8}
#selection h2,#adjust-inspector h2{font-size:23px;font-weight:500;letter-spacing:-.5px;margin:16px 0 10px;line-height:1.4;overflow-wrap:anywhere}
.part-preview{height:150px;border-radius:16px;margin:18px 0}
.part-description,.adjust-description{font-size:14px;line-height:1.8;color:#656d76}
.data-note,.adjust-note{font-size:12px;line-height:1.8;color:#8b929c;margin-top:16px}
.adjust-linkage p{font-size:14px}

/* Floating controls share the model surface without a solid toolbar band. */
.model-header{position:absolute;top:var(--inset);left:calc(var(--inset) + 148px);right:calc(var(--inset) + 138px);display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:12px;align-items:center;min-height:58px;pointer-events:none;z-index:25}
.scene-meta{position:static;display:flex;grid-column:1;grid-row:1;justify-self:start;font-size:12px;line-height:1.6;letter-spacing:.06em;color:var(--muted);padding:11px 15px;border-radius:24px;white-space:nowrap}
.scene-meta>span:first-child{display:block}#view-label{display:none}
.interaction-hint{position:static;grid-column:2;grid-row:1;transform:none;margin:0;max-width:none;font-size:12px;line-height:1.7;color:#6c737a;text-align:center;padding:11px 15px;border-radius:24px;white-space:nowrap}
.adjust-view-tools{position:static;grid-column:3;grid-row:1;display:flex;justify-self:end;gap:2px;padding:4px;margin:0;border-radius:24px;pointer-events:auto;white-space:nowrap}
.adjust-view-tools button,.adjust-view-tools #review-adjustment{font-size:12px;padding:9px 10px;margin:0;border:0;border-radius:18px}
.adjust-view-tools button.active{background:rgba(41,91,232,.07);color:#2458db}
.model-selection-tools{position:absolute;top:calc(var(--inset) + 80px);left:calc(var(--inset) + var(--nav-width) + 24px);display:flex;gap:4px;padding:4px;border-radius:24px;z-index:25}
.model-selection-tools button{font-size:14px;padding:8px 12px}
.model-toolbar{position:absolute;left:var(--inset);right:var(--inset);bottom:var(--inset);display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:end;gap:16px;pointer-events:none;z-index:40}
.model-toolbar>*{pointer-events:auto}
.view-tools{position:static;left:auto;bottom:auto;transform:none;display:flex;align-items:center;grid-column:2;grid-row:1;justify-self:center;height:50px;padding:5px 8px;gap:1px;border-radius:26px;white-space:nowrap}
.view-tools button{font-size:14px;padding:8px 10px;min-height:36px}
.view-tools button.active{background:rgba(41,91,232,.07)}
.toolbar-actions{grid-column:3;grid-row:1;justify-self:end;display:flex;align-items:flex-end}
.assembly-actions{display:flex;flex-direction:row;align-items:center;gap:12px;padding:0;font-size:14px}
.primary-button{display:flex;align-items:center;justify-content:center;gap:14px;color:white;background:rgba(23,25,27,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:26px;padding:14px 22px;height:50px;white-space:nowrap;box-shadow:0 5px 16px #17191b15}
.primary-button:hover{background:#33383e;color:white}
.toolbar-actions #assemble,.reset-adjustment{font-size:14px;padding:12px 18px;height:50px;border-radius:26px;white-space:nowrap}
.adjust-controls{position:relative;grid-column:1;grid-row:1;align-self:end;justify-self:start;width:246px;max-width:100%;touch-action:auto}
.adjust-targets{display:flex;gap:3px;height:50px;margin:0;padding:4px;border-radius:26px}
.adjust-targets button{flex:1;font-size:14px;padding:8px 6px;border-radius:20px;color:#777e89}
.adjust-targets button.active{background:rgba(255,255,255,.94);color:#1a1e25;box-shadow:0 1px 5px #11111109}
.adjust-settings{position:absolute;bottom:calc(100% + 12px);left:0;transform:none;width:286px;max-width:calc(100vw - 36px);max-height:calc(100svh - 180px);overflow:auto;overscroll-behavior:contain;padding:20px;border-radius:24px;touch-action:auto}
.adjust-row{margin-bottom:20px}.adjust-row label,.adjust-actions button{font-size:14px}
.arm-picker{font-size:14px}.arm-picker select{border-radius:12px}
.adjusted-badge{bottom:calc(var(--inset) + 65px);z-index:24;background:#ffffffd9}
.adjust-gizmo{z-index:26}.gizmo-handle,.gizmo-handle span{font-size:12px}
.hover-label{background:#fffffff0;border-radius:14px;z-index:26}
.load-screen{inset:0;z-index:50}.load-mark{display:block;width:112px;height:auto}
.project-menu{border:var(--glass-border);border-radius:28px;background:rgba(255,255,255,.94);backdrop-filter:blur(20px)}
.project-menu::backdrop{backdrop-filter:blur(5px)}
.status-message{bottom:calc(var(--inset) + 70px);border-radius:22px;z-index:60}

@media(max-width:1250px){
  :root{--nav-width:184px;--info-width:266px}
  .state-nav button{font-size:18px;gap:13px;padding:21px 11px}.state-nav{gap:14px}
  .inspector{padding:22px}.project-intro{margin-bottom:25px}h1{font-size:29px}
  .model-header{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px}
  .interaction-hint{justify-self:end}.adjust-view-tools{grid-column:1/-1;grid-row:2;justify-self:center}
  .view-tools button{padding:8px}.adjust-controls{width:224px}.adjust-targets button{font-size:13px}
}
@media(max-width:960px){
  :root{--nav-width:166px;--info-width:244px}
  .intro{padding:10px}.state-nav{gap:12px}.state-nav button{font-size:17px;gap:10px;padding:18px 9px;min-height:68px}
  .inspector{padding:20px}.project-intro{margin-bottom:22px}h1{font-size:27px}
  .model-header{left:calc(var(--inset) + 130px);right:calc(var(--inset) + 116px)}
  .scene-meta,.interaction-hint{font-size:12px;padding:10px 12px;white-space:normal}
  .model-toolbar{gap:12px}.adjust-controls{width:208px}.view-tools{padding:5px}.view-tools button{font-size:13px;padding:8px 7px}.view-tools .divider{margin:0 2px}
  .assembly-actions{gap:8px}.toolbar-actions #assemble,.reset-adjustment{font-size:13px;padding:12px 14px}.primary-button{padding:14px 18px}
}
@media(max-height:700px) and (min-width:761px){
  .intro{max-height:calc(100% - 150px)}.state-nav{gap:4px}.state-nav button{min-height:60px;padding:16px 12px;font-size:18px}
  .inspector{top:calc(var(--inset) + 74px);max-height:calc(100% - var(--inset)*2 - 146px)}
  .project-intro{margin-bottom:20px}h1{font-size:26px}.project-details>div{padding:10px 0 12px}
}
@media(max-width:760px){
  :root{--inset:16px;--info-width:calc(100% - 32px);--mobile-info-height:28svh}
  .header{align-items:start}.wordmark{padding:13px 16px;border-radius:20px}.wordmark img{width:62px}
  .menu-toggle{font-size:13px;gap:12px;padding:14px 17px;min-height:48px;border-radius:20px}
  .intro{top:82px;left:16px;right:16px;transform:none;width:auto;padding:7px;border-radius:22px;max-height:none;overflow:visible}
  .state-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
  .state-nav button{display:flex;flex-direction:column;justify-content:center;gap:5px;min-height:62px;padding:9px 2px;font-size:14px;border-radius:16px;text-align:center}
  .state-nav button>span{font-size:12px}
  .model-header{top:170px;left:16px;right:16px;display:flex;justify-content:center;flex-wrap:wrap;align-items:start;gap:8px;min-height:0}
  .scene-meta{font-size:12px;max-width:100%;text-align:center;white-space:normal}.interaction-hint{font-size:12px;max-width:100%;white-space:normal}.adjust-view-tools{margin:0 auto}
  .adjust-view-tools button,.adjust-view-tools #review-adjustment{font-size:12px;padding:8px 10px}
  .inspector{top:auto;bottom:16px;width:var(--info-width);max-height:var(--mobile-info-height);padding:20px;border-radius:24px}
  .project-intro{margin-bottom:20px}.eyebrow{font-size:12px}h1{font-size:25px;margin-top:8px}h1>span{font-size:14px;margin-top:6px}
  .inspector .project-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;margin-top:16px}.inspector .project-details dd{font-size:15px}
  .model-toolbar{bottom:calc(var(--mobile-info-height) + 32px);grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}
  .view-tools{grid-column:1/-1;grid-row:1;justify-self:center;height:46px;padding:4px 6px}.view-tools button{font-size:13px;min-height:34px;padding:7px 9px}
  .toolbar-actions{grid-column:2;grid-row:2}.adjust-controls{grid-column:1;grid-row:2;width:206px}
  .component-model .toolbar-actions{grid-column:1/-1;justify-self:end}
  .adjust-targets{height:46px;padding:3px}.adjust-targets button{font-size:13px;padding:8px 4px}
  .toolbar-actions #assemble,.reset-adjustment,.primary-button{height:46px;font-size:13px;padding:11px 14px}
  .assembly-actions{gap:10px}.primary-button{gap:10px}.primary-button svg{width:17px}
  .adjust-settings{max-height:calc(100svh - var(--mobile-info-height) - 220px);width:280px;padding:18px;border-radius:22px}
  .model-selection-tools{top:264px;left:16px;max-width:calc(100% - 32px)}.model-selection-tools button{font-size:13px;padding:8px 10px}
  .adjusted-badge{bottom:calc(var(--mobile-info-height) + 145px)}
  .gizmo-handle{font-size:12px;padding:8px 10px;gap:5px}.gizmo-handle span{font-size:12px}
  .project-menu{padding:24px}.status-message{bottom:calc(var(--mobile-info-height) + 145px);font-size:13px;width:max-content}
}
@media(max-width:390px){.adjust-controls{width:186px}.adjust-targets button{font-size:12px}.reset-adjustment{padding:11px 10px}.view-tools button{padding:7px 8px}.model-header{gap:6px}.scene-meta,.interaction-hint{padding:8px 11px}}