:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;min-height:0;background:var(--bg)}body{height:100dvh;min-height:0;overflow:hidden}button,input{font:inherit}button{color:inherit;background:var(--control-bg);border:1px solid var(--line);border-radius:9px;min-height:36px;padding:7px 11px;cursor:pointer;transition:border-color .15s,background .15s,color .15s,transform .15s}button:hover{border-color:var(--line-strong);background:var(--surface3);box-shadow:0 0 0 1px color-mix(in srgb,var(--line-strong) 35%,transparent)}button:active{transform:translateY(1px)}button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button[aria-pressed=true],button.primary{background:var(--accent);border-color:var(--accent);color:var(--selection-text);font-weight:750}button:disabled{opacity:.42;cursor:not-allowed;transform:none}[hidden]{display:none!important}
.app-shell{width:100%;height:100dvh;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--toolbar-bg);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:9px;color:var(--text);text-decoration:none;font-weight:760;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent);color:#092116}.brand-mark img{width:21px;height:21px;display:block}.topbar__actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;min-width:0}.topbar__group{display:flex;gap:4px;align-items:center}.topbar__group+.topbar__group{border-left:1px solid var(--line);padding-left:8px}.topbar__actions button{min-height:32px;padding:5px 8px;font-size:12px}.topbar__group--edit button{color:var(--muted)}
.viewer-panel{position:relative;min-width:0;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);background:var(--viewer);background-image:var(--viewer-glow)}.eyebrow{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}h2,h3{margin:0}
.model-picker__group{margin:0 0 16px}.model-picker__group h3{font-size:9px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin:0 0 7px}.model-picker__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.model-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-height:70px;padding:7px;font-size:10px;text-align:center;background:var(--control-bg)}.model-card svg{width:30px;height:30px;overflow:visible}.model-card[aria-pressed=true]{background:var(--accent);color:var(--selection-text);box-shadow:0 8px 24px color-mix(in srgb,var(--accent) 18%,transparent),inset 0 0 0 1px rgba(255,255,255,.18)}
.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;border-bottom:1px solid var(--line);background:rgba(15,24,19,.72)}.viewer-toolbar__left{display:flex;align-items:center;gap:10px;min-width:0}.active-model-compact{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.segmented{display:flex}.segmented button{border-radius:0;min-width:42px}.segmented button:first-child{border-radius:9px 0 0 9px}.segmented button:last-child{border-radius:0 9px 9px 0;margin-left:-1px}.viewport-stack{min-height:0;position:relative}.viewport{position:absolute;inset:0}.viewport canvas{display:block;width:100%;height:100%}.viewport--section{display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 45%,#15251d,#0b1310 72%)}.viewport--section svg{width:100%;height:100%;max-width:980px}.section-outer{fill:rgba(121,213,164,.12);stroke:var(--accent);stroke-width:2}.section-inner{fill:var(--bg);stroke:var(--accent2);stroke-width:1.4}.section-dimension-label{fill:var(--muted);font-size:12px;font-family:inherit}.viewport-hint{position:absolute;left:11px;bottom:10px;color:var(--muted);font-size:10px;pointer-events:none}.status{position:absolute;right:10px;bottom:10px;z-index:12;max-width:min(420px,calc(100% - 20px));min-height:0;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:0 6px 24px rgba(0,0,0,.24);font-size:11px;color:var(--muted);pointer-events:none}.status[data-tone=error]{color:var(--danger)}.status[data-tone=success]{color:var(--accent2)}
.factory-presets{margin-bottom:6px}.factory-presets__details{border-bottom:1px solid var(--line)}.factory-presets__details>summary{list-style:none;cursor:pointer;padding:10px 1px;display:flex;justify-content:space-between;gap:10px;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.factory-presets__details>summary::-webkit-details-marker{display:none}.factory-presets__active{color:var(--accent2);text-transform:none;letter-spacing:0;font-size:11px}.preset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:0 0 12px}.preset-card{min-height:72px;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;font-size:11px}.preset-card svg{width:100%;height:34px}
.parameter-section{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);border-radius:10px;margin:0 0 7px;padding:0 10px}.parameter-section:first-child{border-top:0}.parameter-section>summary{list-style:none;cursor:pointer;padding:12px 1px;display:flex;align-items:center;justify-content:space-between;gap:10px}.parameter-section>summary::-webkit-details-marker{display:none}.parameter-section>summary:after{content:'+';color:var(--muted);font-size:15px}.parameter-section[open]>summary:after{content:'−'}.parameter-section__summary-main{display:grid;gap:2px;min-width:0}.parameter-section__title{font-size:13px;font-weight:760}.parameter-section__summary-value{font-size:10px;color:var(--muted);font-weight:450;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.parameter-section__body{padding:2px 0 12px;display:grid;gap:11px}.parameter-section__description{margin:0;color:var(--muted);font-size:11px;line-height:1.45}.parameter-section__actions{display:flex;justify-content:flex-end;padding-top:2px}.section-reset{min-height:28px;padding:4px 7px;font-size:10px;color:var(--muted);background:transparent}
.field{display:grid;gap:6px;padding:2px 0}.field--primary{background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 10%,transparent),transparent);border-radius:8px;padding:8px}.field__top{display:grid;grid-template-columns:1fr 68px auto;align-items:center;gap:6px}.field__top label,.choice-control__label{font-size:11px;color:#dce8e1}.field__top input{width:68px;background:var(--bg);border:1px solid var(--line);border-radius:7px;color:var(--text);padding:5px 6px;text-align:right}.field__top span{font-size:10px;color:var(--muted)}input[type=range]{width:100%;accent-color:var(--accent);min-height:16px}.field__issue{font-size:10px;color:var(--warning)}[data-issue=error] .field__issue,[data-issue=error]{--issue-color:var(--danger)}.field[data-issue],.choice-control[data-issue],button[data-issue]{border-left:2px solid var(--issue-color,var(--warning));padding-left:8px}.toggle-card{width:100%;text-align:left;justify-content:flex-start}.choice-control{display:grid;gap:6px}.choice-control__options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.choice-card{font-size:10px;display:grid;justify-items:center;align-content:center;gap:4px;min-height:44px}.choice-card svg{width:25px;height:25px}.choice-card small{display:block;color:var(--muted);font-size:9px;line-height:1.25}.choice-control--segmented .choice-control__options{display:flex}.choice-control--segmented .choice-card{flex:1;min-height:34px;display:flex;justify-content:center}.choice-control--segmented .choice-card svg{width:18px;height:18px}
.section-presets{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;padding:2px 0 5px}.section-preset{font-size:9px;min-height:31px;padding:5px 4px}.section-preset--custom{border-style:dashed}.is-disabled{opacity:.46}.validation-summary{margin:12px 0 0;border:1px solid var(--line);border-radius:9px;padding:9px 10px;font-size:11px;line-height:1.4}.validation-summary[data-tone=warning]{border-color:#67583b;color:var(--warning)}.validation-summary[data-tone=error]{border-color:#694040;color:var(--danger)}
.viewport-unavailable{display:grid;place-items:center;height:100%;min-height:320px;color:var(--muted);font-size:.9rem;text-align:center;padding:24px}
dialog{width:min(560px,calc(100vw - 24px));border:1px solid var(--line);border-radius:15px;background:var(--surface);color:var(--text);padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(0,0,0,.66)}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:13px 15px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:17px}.dialog-head button{min-width:36px}.dialog-body{padding:15px;display:grid;gap:11px}.dialog-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.dialog-copy{margin:0;color:var(--muted);font-size:12px}.dialog-body label{display:grid;gap:6px;font-size:11px}.dialog-body input[type=email],.dialog-body input[type=password],.dialog-body input[type=text],.dialog-body #preset-name{background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px}.save-preset{display:grid;grid-template-columns:1fr auto;gap:7px}.saved-preset-row{display:grid;grid-template-columns:1fr auto;gap:5px;margin-top:5px}.saved-preset-row button:first-child{text-align:left}.auth-actions{display:flex;gap:5px;flex-wrap:wrap}.random-section-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.random-section-option{display:flex!important;align-items:center;gap:8px;padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--surface2)}.random-section-option input{accent-color:var(--accent)}

/* Shared visual-system primitives */
input[type=range]{width:100%;height:22px;margin:0;appearance:none;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--line-strong));border:0}
input[type=range]::-webkit-slider-thumb{appearance:none;width:15px;height:15px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);margin-top:-5.5px;box-shadow:0 1px 5px rgba(0,0,0,.32)}
input[type=range]::-moz-range-track{height:4px;border-radius:999px;background:var(--line-strong)}
input[type=range]::-moz-range-progress{height:4px;border-radius:999px;background:var(--accent)}
input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-shadow:0 1px 5px rgba(0,0,0,.28)}
.model-card{border-radius:11px;transition:transform .16s,background .16s,border-color .16s,box-shadow .16s}
.model-card:hover{transform:translateY(-1px)}
.choice-card,.preset-card,.section-preset{background:var(--control-bg)}
.choice-card[aria-pressed=true],.preset-card[aria-pressed=true],.section-preset[aria-pressed=true]{background:var(--control-bg-active)}
[data-theme="plugforge-light"] .brand-mark img,[data-theme="plugforge-light"] .model-card svg,[data-theme="plugforge-light"] .choice-card svg{filter:none}
.section-position-control{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px;white-space:nowrap}.section-position-control input{width:110px;min-height:18px}.section-axis{stroke:color-mix(in srgb,var(--muted) 32%,transparent);stroke-width:1;stroke-dasharray:4 6;vector-effect:non-scaling-stroke}.viewer-panel{isolation:isolate}.viewport canvas{touch-action:none}
.topbar-export{min-height:34px!important;padding:6px 12px!important;box-shadow:0 8px 22px color-mix(in srgb,var(--accent) 16%,transparent)}

/* Viewport-first contextual editor layout */
.workspace.workspace--contextual{display:grid;grid-template-columns:minmax(320px,380px) minmax(0,1fr);height:auto;min-height:0;overflow:hidden}
.context-panel{min-width:0;min-height:0;display:grid;grid-template-rows:auto 1fr;background:var(--panel-gradient);border-right:1px solid var(--line)}
.context-tabbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;align-items:stretch;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--toolbar-bg) 88%,transparent);position:sticky;top:0;z-index:4}
.context-tabbar .context-nav__item{position:relative;min-width:0;min-height:64px;border:0;border-radius:0;background:transparent;padding:8px 5px 10px;font-size:10px;color:var(--muted);box-shadow:none}
.context-tabbar .context-nav__item:hover{background:color-mix(in srgb,var(--surface3) 68%,transparent);color:var(--text);box-shadow:none}
.context-tabbar .context-nav__item[aria-selected="true"]{background:transparent;color:var(--text);font-weight:760}
.context-tabbar .context-nav__item[aria-selected="true"]:after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;border-radius:99px;background:var(--accent)}
.context-panel__scroll{min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:12px 10px 18px}
.context-content{display:grid;gap:8px;min-width:0}.context-slot[hidden]{display:none!important}.context-slot--model-picker{display:block}
.context-slot--model-picker .model-picker__group{margin-bottom:12px}.context-slot--model-picker .model-picker__group h3{margin:0 2px 6px;font-size:9px}.context-slot--model-picker .model-picker__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.context-slot--model-picker .model-card{min-height:62px;border-radius:8px;padding:5px 3px;font-size:9px;gap:3px}.context-slot--model-picker .model-card svg{width:25px;height:25px}
.context-parameter-sections{display:grid;gap:8px}.parameter-section--flat{margin:0;padding:0 2px 9px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}.parameter-section--flat:last-child{border-bottom:0}.parameter-section__flat-head{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:30px;margin-bottom:3px}.parameter-section__flat-head .parameter-section__title{font-size:11px;text-transform:none;letter-spacing:0;color:var(--text)}.parameter-section--flat .parameter-section__body{padding:0;gap:7px}.parameter-section__flat-head .section-reset{opacity:.72;min-height:24px;padding:2px 6px;font-size:9px}
.parameter-section--flat .field{gap:3px;padding:2px 0}.parameter-section--flat .field--primary{padding:6px 7px}.parameter-section--flat .field__top{grid-template-columns:minmax(0,1fr) 58px auto;gap:4px}.parameter-section--flat .field__top label,.parameter-section--flat .choice-control__label{font-size:10px}.parameter-section--flat .field__top input{width:58px;padding:3px 5px;font-size:10px}.parameter-section--flat .field__top span{font-size:9px}.parameter-section--flat input[type=range]{height:18px}.parameter-section--flat .choice-control{gap:4px}.parameter-section--flat .choice-control__options{gap:4px}.parameter-section--flat .choice-card{min-height:39px;padding:5px 4px;font-size:9px}.parameter-section--flat .choice-card svg{width:21px;height:21px}.parameter-section--flat .choice-control--segmented .choice-card{min-height:31px}.parameter-section--flat .section-presets{gap:4px;padding:0 0 5px}.parameter-section--flat .section-preset{min-height:29px;padding:4px 2px;font-size:8.5px}
.context-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding-top:4px}.context-action{min-height:34px;font-size:10px}.context-action--reset{color:var(--muted);background:transparent}.context-actions .context-action:last-child:nth-child(odd){grid-column:1/-1}
.context-content .factory-presets{margin:0}.context-content .factory-presets__details{border:0}.context-content .factory-presets__details>summary{padding:6px 2px 9px}.context-content .preset-grid{gap:5px;padding-bottom:8px}.context-content .preset-card{min-height:63px;font-size:10px}.context-content .preset-card svg{height:30px}
.workspace--contextual .viewer-panel{min-width:0;min-height:0}.workspace--contextual .viewer-toolbar{padding:8px 12px}.viewport-mode-switcher button{font-size:10px;padding-inline:10px;white-space:nowrap}.workspace--contextual .active-model-compact{margin-left:2px;color:var(--muted);font-size:10px}.workspace--contextual .status{min-height:26px;padding:5px 10px;font-size:10px}.workspace--contextual .viewport-hint{font-size:9px}
.mobile-context-nav,.context-sheet{display:none}

@media(max-width:1120px) and (min-width:861px){
  .workspace.workspace--contextual{grid-template-columns:minmax(300px,330px) minmax(0,1fr)}
  .context-slot--model-picker .model-picker__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .context-tabbar .context-nav__item{font-size:9px;min-height:58px;padding-inline:3px}
}





@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.context-sheet__panel,.model-card,.choice-card,button{transition:none!important}}
/* Contextual navigation icon treatment */
.context-nav__item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.context-nav__item svg{width:19px;height:19px;flex:0 0 auto}
.context-tabbar .context-nav__item svg{width:20px;height:20px}

.context-sheet__head{user-select:none;-webkit-user-select:none}
/* Viewport chrome stays compact; current model is represented by context/model selection. */
.workspace--contextual .active-model-compact{display:none}

/* ========================================================================== */
/* Mobile contextual editor and compact shape browser */
/* ========================================================================== */

/* Model selection should read as a selected tool, not as a giant primary CTA. */
.context-slot--model-picker .model-card[aria-pressed="true"]{
  background:color-mix(in srgb,var(--accent) 11%,var(--control-bg));
  color:var(--text);
  border-color:var(--accent);
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 42%,transparent),0 6px 20px rgba(0,0,0,.16);
}
.context-slot--model-picker .model-card[aria-pressed="true"] svg{color:var(--accent2)}
.context-slot--model-picker .model-card{transition:background .14s,border-color .14s,color .14s,transform .14s}
.context-slot--model-picker .model-card:hover{transform:translateY(-1px)}

/* Mobile shape family rail. Rendered only by the compact model-picker variant. */
.model-picker__categories{display:flex;gap:5px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;padding:0 0 8px;scroll-snap-type:x proximity}
.model-picker__categories::-webkit-scrollbar{display:none}
.model-picker__category{flex:0 0 auto;display:flex;align-items:center;gap:5px;min-height:30px;padding:5px 9px;border-radius:999px;background:var(--control-bg);color:var(--muted);font-size:9px;scroll-snap-align:start;box-shadow:none}
.model-picker__category small{display:grid;place-items:center;min-width:17px;height:17px;padding:0 4px;border-radius:99px;background:color-mix(in srgb,var(--surface4) 78%,transparent);font-size:8px;color:inherit}
.model-picker__category[aria-selected="true"]{background:color-mix(in srgb,var(--accent) 13%,var(--control-bg));border-color:color-mix(in srgb,var(--accent) 72%,var(--line));color:var(--accent2);font-weight:720}
.model-picker__group--compact{margin:0}

/* Redundant section title disappears in a single-section mobile sheet. */
.context-content[data-mobile="true"][data-single-section="true"] .parameter-section__flat-head .parameter-section__title{display:none}
.context-content[data-mobile="true"][data-single-section="true"] .parameter-section__flat-head{justify-content:flex-end;min-height:24px;margin:0 0 2px}
.context-content[data-mobile="true"][data-single-section="true"] .parameter-section__flat-head .section-reset{margin-left:auto}
.context-content[data-context-id="shape"] .parameter-section[data-section-id="shape"]{padding-top:6px;margin-top:2px;border-top:1px solid var(--line)}





/* Selection contrast and compact discrete choices */
.choice-card[aria-pressed="true"],.preset-card[aria-pressed="true"],.section-preset[aria-pressed="true"]{
  color:var(--text);
  border-color:var(--accent);
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 30%,transparent);
}
.choice-card[aria-pressed="true"] svg,.preset-card[aria-pressed="true"] svg{color:var(--accent2)}
.section-preset[aria-pressed="true"]{color:var(--accent2)}


/* Section dimensions, contextual generator and docked mobile editor */
.section-dimension{stroke:var(--accent2);stroke-width:1.2;vector-effect:non-scaling-stroke}
.section-dimension-extension{stroke:color-mix(in srgb,var(--accent2) 48%,transparent);stroke-width:.8;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}
.section-dimension-text{fill:var(--text);font-size:12px;font-weight:700;paint-order:stroke;stroke:var(--viewport-bg,var(--bg));stroke-width:3px;stroke-linejoin:round}
.generator-panel{display:grid;gap:8px;padding:9px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--control-bg) 76%,transparent)}
.generator-panel h3{margin:0;font-size:11px;text-transform:uppercase;letter-spacing:.055em;color:var(--muted)}
.generator-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}
.generator-option{display:flex;align-items:center;gap:7px;min-height:34px;padding:6px 8px;border:1px solid var(--line);border-radius:9px;background:var(--control-bg);font-size:10px;cursor:pointer}
.generator-option:has(input:checked){border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--control-bg));color:var(--text)}
.generator-option input{accent-color:var(--accent);margin:0}
.generator-apply{width:100%;min-height:36px}




.context-actions:has(.generator-panel){grid-template-columns:repeat(2,minmax(0,1fr))}
.context-actions:has(.generator-panel) .generator-panel{grid-column:1/-1}
.context-actions:has(.generator-panel) .context-action{min-height:32px}

/* ========================================================================== */
/* 6.8 Foundation layout — one authoritative mobile sizing contract          */
/* ========================================================================== */
.app-shell>#context-content{display:none}
#viewport-section{touch-action:none}

@media(max-width:860px){
  html,body{height:100%;min-height:0;overflow:hidden}
  body{height:100%;min-height:0;padding:0}
  .app-shell{
    position:fixed;top:var(--pf-visual-top,0);left:var(--pf-visual-left,0);
    width:var(--pf-visual-width,100vw);height:var(--pf-visual-height,100dvh);min-height:0;
    display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;overflow:hidden
  }
  .topbar{position:relative;top:auto;padding:6px 8px;gap:6px}
  .brand{font-size:11px}.brand-mark{width:28px;height:28px}
  .topbar__actions,.topbar__group{gap:3px}.topbar__group+.topbar__group{padding-left:3px}
  .topbar__actions button{min-width:36px;min-height:36px;padding:4px 7px}
  .topbar__actions button span{display:none}.topbar-export{min-width:38px!important;padding:4px 8px!important}
  #action-auth{width:38px;max-width:38px;font-size:0;overflow:hidden;padding:0}
  #action-auth:before{content:'◉';font-size:12px;color:var(--muted)}
  #action-auth[data-signed-in="true"]:before{color:var(--accent)}

  .workspace.workspace--contextual{
    grid-row:2;display:block;width:100%;height:auto!important;min-height:0!important;overflow:hidden
  }
  .context-panel{display:none}
  .workspace--contextual .viewer-panel{
    width:100%;height:100%;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden
  }
  .workspace--contextual .viewer-toolbar{
    position:relative;z-index:8;display:flex;align-items:flex-start;gap:6px;padding:5px 7px;
    border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--toolbar-bg) 96%,transparent);box-shadow:none
  }
  .workspace--contextual .viewer-toolbar__left{flex:1;min-width:0;display:flex;align-items:center;gap:5px;flex-wrap:wrap}
  .viewport-mode-switcher{flex:1;min-width:0;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:color-mix(in srgb,var(--bg) 36%,transparent);border-radius:9px;overflow:hidden}
  .viewport-mode-switcher button{min-width:0;min-height:38px;padding:4px 5px;border:0;border-right:1px solid var(--line);border-radius:0!important;background:transparent;font-size:9px;line-height:1.1;box-shadow:none}
  .viewport-mode-switcher button:last-child{border-right:0;margin-left:0}
  .viewport-mode-switcher button[aria-pressed="true"]{background:var(--accent);color:var(--selection-text);box-shadow:none}
  .workspace--contextual #viewport-reset{flex:0 0 40px;width:40px;min-width:40px;min-height:38px;padding:0;font-size:0;border-radius:9px;background:color-mix(in srgb,var(--control-bg) 84%,transparent)}
  .workspace--contextual #viewport-reset:before{content:'↺';font-size:15px;line-height:1;color:var(--text)}
  .workspace--contextual .section-position-control{order:4;width:100%;min-width:0;padding:4px 6px;border:1px solid var(--line);border-radius:8px;background:var(--control-bg)}
  .workspace--contextual .section-position-control input{flex:1;width:auto}
  .workspace--contextual .active-model-compact,.workspace--contextual .viewport-hint{display:none}
  .workspace--contextual .viewport-stack{min-height:0;overflow:hidden}
  .workspace--contextual .status{min-height:23px;padding:4px 8px;font-size:9px}

  .context-sheet{
    grid-row:3;position:static!important;inset:auto!important;display:block;width:100%;min-height:0;
    max-height:var(--pf-dock-max-height,330px);padding:0;background:transparent;z-index:auto;overflow:hidden
  }
  .context-sheet[hidden]{display:none!important}
  .context-sheet__panel{
    position:static!important;inset:auto!important;width:100%;height:auto!important;max-height:inherit!important;
    display:grid;grid-template-rows:auto minmax(0,1fr);border:0;border-top:1px solid var(--line);border-radius:14px 14px 0 0;
    background:var(--surface);box-shadow:0 -8px 24px rgba(0,0,0,.18);transform:none!important;overflow:hidden
  }
  .context-sheet__head{display:grid;grid-template-columns:minmax(0,1fr) 40px;align-items:center;min-height:42px;padding:5px 9px;border-bottom:1px solid var(--line);touch-action:auto;user-select:none;-webkit-user-select:none}
  .context-sheet__title{display:flex;align-items:baseline;gap:7px;min-width:0}.context-sheet__title h2{font-size:12px}.context-sheet__subtitle{font-size:8px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .context-sheet__head>button{width:40px;min-width:40px;min-height:38px;padding:0;border:0;background:transparent;color:var(--muted)}
  .context-sheet__body{min-height:0;max-height:none;padding:7px 9px 8px;overflow:auto;overscroll-behavior:contain}
  .context-sheet .context-slot--model-picker.model-picker--mobile{margin:0 0 5px}

  .model-picker__timeline{display:flex;gap:6px;overflow-x:auto;overflow-y:hidden;padding:2px 1px 6px;scroll-snap-type:x proximity;scrollbar-width:none;overscroll-behavior-x:contain}
  .model-picker__timeline::-webkit-scrollbar{display:none}
  .model-picker__timeline-group{position:relative;display:flex;flex:0 0 auto;align-items:flex-end;gap:4px;padding:14px 7px 0 0;border-right:1px solid var(--line)}
  .model-picker__timeline-group:last-child{border-right:0;padding-right:0}.model-picker__timeline-label{position:absolute;top:0;left:1px;color:var(--muted);font-size:7px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}
  .model-card--timeline{flex:0 0 62px;width:62px;min-height:54px;padding:4px 2px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2px;border-radius:9px;font-size:7.5px;line-height:1.05;scroll-snap-align:center}
  .model-card--timeline svg{width:21px;height:21px}.model-card--timeline span{max-width:58px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .model-card--timeline[aria-pressed="true"]{background:color-mix(in srgb,var(--accent) 10%,var(--control-bg));border-color:var(--accent);color:var(--text)}

  .context-sheet .parameter-section--flat{padding-bottom:4px}.context-sheet .parameter-section--flat .parameter-section__flat-head{min-height:28px}.context-sheet .parameter-section--flat .parameter-section__title{font-size:10px}.context-sheet .parameter-section--flat .parameter-section__body{gap:5px}
  .context-sheet .parameter-section--flat .field--primary{padding:4px 6px}.context-sheet .parameter-section--flat .field__top{grid-template-columns:minmax(0,1fr) 62px auto}.context-sheet .parameter-section--flat .field__top input{min-height:38px}.context-sheet .parameter-section--flat input[type="range"]{min-height:32px}
  .context-sheet .choice-control__options[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}.context-sheet .choice-control__options[data-count="3"] .choice-card{padding-inline:3px;font-size:8.5px}
  .context-sheet .parameter-section--flat .choice-card{min-height:42px}.context-sheet .parameter-section--flat .section-presets{grid-template-columns:repeat(5,minmax(64px,1fr));gap:4px;padding-bottom:4px;overflow-x:auto;scrollbar-width:none}.context-sheet .parameter-section--flat .section-preset{min-width:64px;min-height:36px;font-size:8.5px}
  .generator-panel{padding:7px;gap:6px}.generator-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.generator-option{min-height:38px;padding:5px 7px;font-size:9px}.generator-apply{min-height:40px}

  .mobile-context-nav{
    grid-row:4;position:static;display:flex;width:100%;height:auto;min-height:calc(60px + env(safe-area-inset-bottom));z-index:30;
    overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scroll-snap-type:x proximity;
    padding:0 max(3px,env(safe-area-inset-left)) env(safe-area-inset-bottom) max(3px,env(safe-area-inset-right));
    background:color-mix(in srgb,var(--toolbar-bg) 96%,transparent);border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(0,0,0,.14);scrollbar-width:none
  }
  .mobile-context-nav::-webkit-scrollbar{display:none}
  .mobile-context-nav .context-nav__item{position:relative;flex:0 0 68px;min-height:60px;padding:7px 4px 5px;gap:3px;border:0;border-radius:0;background:transparent;color:var(--muted);font-size:8.5px;box-shadow:none;scroll-snap-align:center}
  .mobile-context-nav .context-nav__item:before{content:'';position:absolute;top:0;left:17px;right:17px;height:2px;background:transparent}
  .mobile-context-nav .context-nav__item[aria-current="true"]{background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 9%,transparent),transparent 72%);color:var(--accent2);font-weight:720}
  .mobile-context-nav .context-nav__item[aria-current="true"]:before{background:var(--accent)}
  .mobile-context-nav .context-nav__item svg{width:20px;height:20px}

  .context-content[data-mobile="true"][data-single-section="true"] .parameter-section__flat-head .parameter-section__title{display:none}
  .context-content[data-mobile="true"][data-single-section="true"] .parameter-section__flat-head{justify-content:flex-end;min-height:26px;margin:0 0 2px}
  .context-content[data-context-id="shape"] .parameter-section[data-section-id="shape"]{padding-top:6px;margin-top:2px;border-top:1px solid var(--line)}
  .section-dimension-text{font-size:10px}
}

@media(max-width:380px){
  .model-card--timeline{flex-basis:58px;width:58px;min-height:52px;font-size:7px}.model-card--timeline svg{width:19px;height:19px}
  .generator-option{font-size:8.5px;padding-inline:5px}.mobile-context-nav .context-nav__item{flex-basis:64px}
  .viewport-mode-switcher button{font-size:8px;padding-inline:3px}
}



/* 6.9 freeze hardening: software keyboard keeps a real model viewport. */
@media(max-width:860px){
  html.pf-keyboard-compact .topbar,html.pf-keyboard-compact .mobile-context-nav{display:none!important}
  html.pf-keyboard-compact .context-sheet{max-height:var(--pf-dock-max-height,96px)}
  html.pf-keyboard-compact .context-sheet__head{min-height:34px;padding-block:2px}
  html.pf-keyboard-compact .context-sheet__body{padding-top:4px;padding-bottom:4px}
  html.pf-keyboard-compact .workspace--contextual .viewer-toolbar{padding-block:3px}
  html.pf-keyboard-compact .viewport-mode-switcher button,html.pf-keyboard-compact .workspace--contextual #viewport-reset{min-height:32px}
}

.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}