/* Nexus 0.15.7 — shared UI controls and module navigation. */
:where(.nexus-shell,.login-window){font-family:var(--font-ui)}
.button-base,.button-primary,.button-secondary,.button-ghost,.button-danger,.button-icon,.button-compact{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:2rem;padding:.4rem .7rem;border:1px solid var(--nexus-border);border-radius:.35rem;font-family:var(--font-ui);font-size:.75rem;line-height:1.2;cursor:pointer}
.button-primary{border-color:var(--nexus-primary);background:var(--nexus-primary);color:#fff}.button-secondary{background:var(--nexus-surface-elevated)}.button-ghost,.button-icon{background:transparent}.button-danger{border-color:var(--nexus-danger);background:var(--nexus-danger);color:#fff}.button-icon{width:2rem;padding:0}.button-compact{min-height:1.75rem;padding:.25rem .5rem;font-size:.68rem}.button-base:focus-visible,.button-primary:focus-visible,.button-secondary:focus-visible,.button-ghost:focus-visible,.button-danger:focus-visible,.button-icon:focus-visible,.button-compact:focus-visible{outline:2px solid var(--nexus-accent);outline-offset:2px}.button-base:disabled,.button-primary:disabled,.button-secondary:disabled,.button-ghost:disabled,.button-danger:disabled,.button-icon:disabled,.button-compact:disabled{opacity:.45;cursor:not-allowed}
.module-workspace{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.25rem .4rem .55rem;color:var(--nexus-text-muted);font-size:.68rem}.module-workspace strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--nexus-text)}.module-workspace span{flex:none;color:var(--nexus-accent);font-size:.58rem;font-weight:700}.module-search{display:block;padding:0 .25rem .55rem}.module-search input{box-sizing:border-box;width:100%;min-width:0;height:2rem;font-family:var(--font-ui)}.module-search-empty{margin:.75rem .4rem;color:var(--nexus-text-muted);font-size:.68rem}.module-group[hidden],.group-items>button[hidden]{display:none}.module-menu,.module-menu button{font-family:var(--font-ui)}
*{box-sizing:border-box}html,body{height:100%;overflow:hidden}body{margin:0;background:var(--nexus-bg);color:var(--nexus-text);font:14px/1.4 var(--font)}button,input,textarea,select{font:inherit}button,.attach{border:1px solid var(--nexus-border);border-radius:5px;background:var(--nexus-surface-elevated);color:var(--nexus-text);padding:7px 11px;cursor:pointer}button:hover,.attach:hover{border-color:var(--nexus-accent);background:var(--nexus-hover)}button:disabled{cursor:not-allowed;opacity:.42}input,textarea,select{background:var(--nexus-input);border:1px solid var(--nexus-border);color:var(--nexus-text);border-radius:5px;padding:8px 9px;min-width:0}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--nexus-accent);outline-offset:1px}.nexus-shell{height:100vh;display:grid;grid-template-rows:56px minmax(0,1fr);background:var(--nexus-bg)}
.nexus-hud{position:relative;z-index:20;display:flex;align-items:center;gap:22px;padding:0 14px;border-bottom:1px solid var(--nexus-border);background:var(--nexus-hud);min-width:0}.hud-brand{display:flex;align-items:center;gap:10px;min-width:260px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--nexus-accent);color:var(--nexus-accent);font:bold 16px var(--font-ui)}.hud-brand>div{display:grid}.hud-brand strong{font-size:13px;letter-spacing:.06em}.hud-brand strong span{font-weight:500;color:var(--nexus-text-muted)}.hud-brand small{color:var(--nexus-accent);font:9px var(--font-ui);letter-spacing:.18em}.hud-strip{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:22px;min-width:0;overflow:hidden}.hud-strip>span{display:grid;white-space:nowrap}.hud-strip small,.stage-kicker,.panel-head span,.rail-head span{color:var(--nexus-text-muted);font:9px/1.2 var(--font-ui);letter-spacing:.1em;text-transform:uppercase}.hud-strip b{font:11px/1.4 var(--font-ui);font-weight:600}.status-online{color:var(--nexus-success)!important}.hud-actions{display:flex;gap:7px}.icon-action{display:flex;align-items:center;gap:7px;height:32px;font-size:12px}.settings-wrap{position:relative}.settings-menu{position:absolute;right:0;top:39px;width:245px;padding:7px;background:var(--nexus-surface-elevated);border:1px solid var(--nexus-border);box-shadow:var(--nexus-shadow)}.settings-context{display:grid;padding:9px 10px 12px;border-bottom:1px solid var(--nexus-border);margin-bottom:5px}.settings-context span{font-size:11px;color:var(--nexus-text-muted)}.settings-menu button{width:100%;display:flex;justify-content:space-between;border:0;text-align:left;background:transparent}.settings-menu button small{color:var(--nexus-text-muted)}.settings-separator{height:1px;background:var(--nexus-border);margin:5px}

.module-rail,.history-panel,.module-stage{height:100%;min-width:0;min-height:0;border-right:1px solid var(--nexus-border)}.resident-ai{border-right:1px solid var(--nexus-border)}.module-rail{display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:var(--nexus-surface)}.rail-head{display:grid;gap:3px;padding:16px 14px 12px;border-bottom:1px solid var(--nexus-border)}.rail-head strong{font-size:15px}.module-menu{overflow:auto;padding:10px 8px}.module-group{margin-bottom:12px}.group-toggle{width:100%;display:flex;justify-content:space-between;border:0;background:transparent;color:var(--nexus-text-muted);padding:7px 6px;font:10px var(--font-ui);text-transform:uppercase;letter-spacing:.09em}.module-group:not(.open) .group-items{display:none}.group-items{display:grid;gap:3px}.group-items>button{width:100%;display:grid;grid-template-columns:20px 1fr auto;align-items:center;gap:8px;border-color:transparent;background:transparent;text-align:left;color:var(--nexus-text-muted)}.group-items>button:hover{color:var(--nexus-text);border-color:var(--nexus-border)}.group-items>button.active{color:var(--nexus-text);background:var(--nexus-active);border-color:var(--nexus-active-border);box-shadow:inset 2px 0 var(--nexus-accent)}.nav-icon{color:var(--nexus-accent);text-align:center}.group-items small{font:9px var(--font-ui);text-transform:uppercase}.rail-foot{display:flex;align-items:center;gap:7px;border-top:1px solid var(--nexus-border);padding:10px 12px;color:var(--nexus-text-muted);font-size:10px}.rail-foot small{margin-left:auto}.signal-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--nexus-success);box-shadow:0 0 0 3px var(--nexus-success-soft)}
.module-stage{display:grid;grid-template-rows:auto minmax(0,1fr) 27px;background:var(--nexus-stage)}.stage-head{min-height:83px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:14px 18px;border-bottom:1px solid var(--nexus-border);background:var(--nexus-surface)}.stage-head h1{margin:2px 0;font-size:20px;font-weight:600}.stage-head p{margin:0;max-width:660px;color:var(--nexus-text-muted);font-size:12px}.stage-code{color:var(--nexus-text-faint);font:9px var(--font-ui);white-space:nowrap}.stage-scroll{min-height:0;overflow:auto;padding:20px;scrollbar-gutter:stable}.view{display:none;min-height:100%}.view.active{display:block}.central-overview{min-height:100%;display:grid;align-content:center;gap:28px;max-width:920px;margin:auto}.overview-lead{border-left:2px solid var(--nexus-accent);padding-left:20px}.overview-lead>span{color:var(--nexus-accent);font:10px var(--font-ui);text-transform:uppercase;letter-spacing:.12em}.overview-lead h2{font-size:clamp(24px,2.4vw,39px);line-height:1.1;margin:10px 0 14px;font-weight:500;letter-spacing:-.025em}.overview-lead p{max-width:600px;color:var(--nexus-text-muted);font-size:13px}.overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--nexus-border);border-left:1px solid var(--nexus-border)}.overview-grid article{min-height:116px;display:grid;align-content:center;gap:5px;padding:17px;border-right:1px solid var(--nexus-border);border-bottom:1px solid var(--nexus-border);background:var(--nexus-surface)}.overview-grid small{color:var(--nexus-text-muted);font:9px var(--font-ui);letter-spacing:.1em}.overview-grid strong{font-size:16px;font-weight:550}.overview-grid span{color:var(--nexus-text-muted);font-size:11px}.stage-footer{display:flex;gap:20px;border-top:1px solid var(--nexus-border);color:var(--nexus-text-muted);font:9px var(--font-ui);text-transform:uppercase;padding:7px 12px}.stage-footer span:last-child{margin-left:auto;color:var(--nexus-success)}
.panel-head{height:58px;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 11px;border-bottom:1px solid var(--nexus-border);background:var(--nexus-surface)}.panel-head>div{display:grid}.panel-head strong{font-size:13px}.collapse-control{width:28px;height:28px;padding:0;font-size:18px}.collapsed-tab{display:none}.resident-ai{grid-template-rows:58px 31px minmax(0,1fr) auto;background:var(--nexus-panel)}.chat-presence{display:flex;align-items:center;gap:7px;padding:0 11px;border-bottom:1px solid var(--nexus-border);font:10px var(--font-ui);color:var(--nexus-success)}.chat-presence small{margin-left:auto;color:var(--nexus-text-muted)}.history-panel{display:grid;grid-template-rows:58px auto minmax(0,1fr) auto;background:var(--nexus-surface);border-right:0}.history-actions{display:grid;gap:8px;padding:10px;border-bottom:1px solid var(--nexus-border)}.new-conversation{width:100%;border-color:var(--nexus-active-border);color:var(--nexus-accent);text-align:left}.history-search{display:flex;align-items:center;gap:6px;border:1px solid var(--nexus-border);border-radius:5px;padding-left:8px;color:var(--nexus-text-muted);background:var(--nexus-input)}.history-search input{width:100%;border:0;background:transparent;padding-left:0}.conversation-list{min-height:0;overflow:auto;padding:8px}.conv-item{width:100%;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;border-color:transparent;background:transparent;color:var(--nexus-text-muted);margin-bottom:3px}.conv-item.active{color:var(--nexus-text);border-color:var(--nexus-active-border);background:var(--nexus-active);box-shadow:inset 2px 0 var(--nexus-accent)}.history-rename{display:grid;grid-template-columns:1fr auto;gap:6px;padding:10px;border-top:1px solid var(--nexus-border)}.history-rename label{grid-column:1/-1;color:var(--nexus-text-muted);font-size:10px}.history-rename input{width:100%}.collapsed-tab span{font:9px var(--font-ui);text-transform:uppercase}.collapsed-tab b{color:var(--nexus-text);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.grid label{display:grid;gap:5px}.actions{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.notice,.toast{border:1px solid var(--nexus-border);background:var(--nexus-surface-elevated);border-radius:5px;padding:10px}.toast{position:fixed;right:14px;top:68px;opacity:0;pointer-events:none;z-index:40}.toast.on{opacity:1}.cards{display:grid;gap:8px}.cards article{background:var(--nexus-surface-elevated);border:1px solid var(--nexus-border);border-radius:5px;padding:10px}pre{white-space:pre-wrap;background:var(--nexus-surface);border:1px solid var(--nexus-border);padding:12px;border-radius:5px;overflow:auto}.login-body{display:grid;place-items:center;height:100vh;overflow:auto}.login-window{width:360px;background:var(--nexus-surface);border:1px solid var(--nexus-border);border-radius:7px;padding:22px;box-shadow:var(--nexus-shadow)}.login-window label{display:grid;gap:5px;margin:10px 0}output{display:block;color:var(--nexus-danger);min-height:20px}
*{scrollbar-width:thin;scrollbar-color:transparent transparent}*:hover{scrollbar-color:var(--nexus-scroll) transparent}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:transparent;border-radius:4px}*:hover::-webkit-scrollbar-thumb{background:var(--nexus-scroll)}
@media(max-width:1500px){.hud-strip{gap:13px}.hud-brand{min-width:225px}.hud-strip>span:nth-child(2){display:none}}
@media(max-width:1180px){.history-panel>*:not(.collapsed-tab){display:none}.history-panel{display:flex!important;position:relative;overflow:hidden}.history-panel .collapsed-tab{display:flex;position:absolute;inset:0;width:42px;border:0;border-radius:0;align-items:center;justify-content:center;gap:9px;writing-mode:vertical-rl}.hud-env,.hud-clock{display:none}.action-label{display:none}.hud-brand{min-width:200px}}
@media(max-width:900px){.resident-ai .collapsed-tab{border:0;border-radius:0;align-items:center;justify-content:center;gap:9px;writing-mode:vertical-rl}.hud-strip>span:nth-child(n+3){display:none}.overview-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Workspace & Copilot Shell V3 */
html{font-size:calc(16px * var(--nexus-ui-scale))}body{font-size:.875rem}.nexus-shell{grid-template-rows:calc(56px * var(--nexus-ui-scale)) minmax(0,1fr)}
.nexus-hud{gap:14px;padding-inline:12px}.hud-brand{min-width:220px}.hud-strip{justify-content:flex-start;gap:0}.hud-strip>span{padding:0 12px;border-left:1px solid var(--nexus-border)}.system-display-wrap{position:relative;margin-left:auto}.system-display{width:clamp(190px,19vw,310px);height:34px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:9px;padding:5px 9px;text-align:left;background:var(--nexus-input);border-color:var(--nexus-border);font:9px var(--font-ui);color:var(--nexus-text-muted);overflow:hidden}.system-display time{color:var(--nexus-accent)}.system-display span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-transform:uppercase}.notification-panel{position:absolute;right:0;top:41px;width:min(360px,90vw);z-index:30;background:var(--nexus-surface-elevated);border:1px solid var(--nexus-border);box-shadow:var(--nexus-elevation)}.notification-panel header{display:flex;align-items:center;justify-content:space-between;padding:9px;border-bottom:1px solid var(--nexus-border)}.notification-panel header button{padding:2px 7px}.notification-panel ol{max-height:240px;overflow:auto;margin:0;padding:8px 8px 8px 34px;font:10px/1.8 var(--font-ui);color:var(--nexus-text-muted)}
.settings-menu{width:285px}.settings-label{display:block;padding:10px 10px 3px;color:var(--nexus-accent);font:9px var(--font-ui);text-transform:uppercase;letter-spacing:.12em}.scale-setting{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:5px;padding:5px 10px;color:var(--nexus-text-muted);font-size:11px}.scale-setting button{width:auto;padding:5px 7px;border:1px solid var(--nexus-border)}.scale-setting button[aria-pressed="true"]{color:var(--nexus-accent);border-color:var(--nexus-active-border);background:var(--nexus-active)}
.nexus-workbench{isolation:isolate}
.module-rail{position:relative;z-index:8;background:var(--nexus-surface)}.rail-head{display:flex;align-items:center;justify-content:space-between}.rail-head>div:first-child{display:grid}.rail-controls{display:flex;gap:3px}.rail-controls button{width:27px;height:27px;padding:0}.modules-collapsed .module-rail{width:var(--nexus-rail-collapsed);overflow:hidden}.modules-collapsed .rail-head{padding-inline:10px}.modules-collapsed .rail-head>div:first-child,.modules-collapsed .rail-head #modulesPin,.modules-collapsed .group-toggle,.modules-collapsed .group-items>button>span:not(.nav-icon),.modules-collapsed .group-items small,.modules-collapsed .rail-foot>span:not(.signal-dot),.modules-collapsed .rail-foot small{display:none}.modules-collapsed .module-menu{padding-inline:6px}.modules-collapsed .group-items>button{display:grid;grid-template-columns:1fr;padding-inline:7px}.modules-collapsed .module-group:not(.open) .group-items{display:grid}.modules-collapsed .rail-foot{justify-content:center}.modules-collapsed.modules-overlay-open .module-rail{position:absolute;inset:0 auto 0 0;width:var(--nexus-rail-width);box-shadow:var(--nexus-elevation)}.modules-collapsed.modules-overlay-open .rail-head>div:first-child,.modules-collapsed.modules-overlay-open .rail-head #modulesPin,.modules-collapsed.modules-overlay-open .group-toggle,.modules-collapsed.modules-overlay-open .group-items>button>span:not(.nav-icon),.modules-collapsed.modules-overlay-open .group-items small,.modules-collapsed.modules-overlay-open .rail-foot>span:not(.signal-dot),.modules-collapsed.modules-overlay-open .rail-foot small{display:initial}.modules-collapsed.modules-overlay-open .rail-head{padding-inline:14px}.modules-collapsed.modules-overlay-open .group-items>button{grid-template-columns:20px 1fr auto;padding-inline:11px}.modules-collapsed.modules-overlay-open .rail-foot{justify-content:flex-start}
.workspace{background:var(--nexus-workspace);border-right:1px solid var(--nexus-border)}.resident-ai{background:var(--nexus-copilot);box-shadow:-5px 0 15px rgba(0,0,0,.1)}.history-panel{position:relative;z-index:6;background:var(--nexus-register)}.workspace-panel{border:1px solid var(--nexus-border);background:var(--nexus-workspace);min-height:100%}.workspace-panel-actions{display:flex;align-items:center;gap:9px}.workspace-panel-actions button{width:31px;height:31px;padding:0}.workspace-panel-status{display:inline-flex}.copilot-resize span{background:var(--nexus-border)}.copilot-resize span::after{content:"";background:var(--nexus-text-faint)}.copilot-resize:hover span,.copilot-resize:focus-visible span,.copilot-resize.dragging span{background:var(--nexus-accent)}.copilot-resize:focus-visible{outline:2px solid var(--nexus-accent);outline-offset:-2px}.copilot-resizing{user-select:none}.copilot-overlaid .resident-ai{box-shadow:-10px 0 24px rgba(0,0,0,.28)}
.nexus-shell.workspace-fullscreen{grid-template-rows:40px minmax(0,1fr)}.workspace-fullscreen .nexus-hud{min-height:40px}.workspace-fullscreen .hud-strip,.workspace-fullscreen .system-display-wrap{display:none}.workspace-fullscreen .nexus-workbench{display:block}.workspace-fullscreen .module-rail,.workspace-fullscreen .history-panel{display:none}.workspace-fullscreen .workspace{position:absolute;inset:0;z-index:40}
@media(max-width:1366px){.hud-brand{min-width:190px}.hud-strip>span{padding-inline:8px}.hud-env,.hud-clock{display:none}.system-display{width:190px}.nexus-workbench{--nexus-rail-width:190px;--nexus-history-width:42px}.history-panel>*:not(.collapsed-tab){display:none}.history-panel{display:flex!important;position:relative;overflow:hidden}.history-panel .collapsed-tab{display:flex;position:absolute;inset:0 0 0 auto;width:42px;border:0;border-radius:0;align-items:center;justify-content:center;gap:9px;writing-mode:vertical-rl}}
@media(max-width:1050px){.system-display{width:145px}.hud-strip>span:nth-child(n+3){display:none}.nexus-workbench{--nexus-rail-width:var(--nexus-rail-collapsed);--nexus-history-width:42px}.module-rail{width:var(--nexus-rail-collapsed);overflow:hidden}}

/* Resize preserves the Workspace base track: extra Copilot width overlays it. */
:root{--nexus-copilot-base:clamp(280px,20vw,320px)}




/* Nexus 0.6.1 hotfix: fixed physical tracks */



.module-rail{box-shadow:5px 0 18px rgba(0,0,0,.18)}.resident-ai{box-shadow:-6px 0 18px rgba(0,0,0,.16)}.history-panel{box-shadow:-3px 0 12px rgba(0,0,0,.12)}
.nav-icon{display:grid;place-items:center;width:20px;height:20px;border:1px solid color-mix(in srgb,var(--nexus-accent) 38%,transparent);border-radius:4px;font:12px/1 var(--font-ui)}
.fullscreen-control,.workspace-panel-actions .fullscreen-control{display:flex;width:auto;min-width:112px;height:32px;align-items:center;justify-content:center;gap:7px;padding:0 10px;color:var(--nexus-accent);border-color:var(--nexus-active-border)}
.fullscreen-control[aria-pressed="true"]{background:var(--nexus-active)}
.copilot-resize{background:transparent}
.copilot-resize span::after{border-radius:2px}

/* 115% scales controls and spatial rhythm as well as typography. */
:root[data-ui-scale="115"] button,:root[data-ui-scale="115"] input,:root[data-ui-scale="115"] textarea,:root[data-ui-scale="115"] select{padding-block:calc(7px * var(--nexus-ui-scale));padding-inline:calc(10px * var(--nexus-ui-scale))}
:root[data-ui-scale="115"] .stage-scroll{padding:calc(20px * var(--nexus-ui-scale))}
:root[data-ui-scale="115"] .stage-head{min-height:calc(83px * var(--nexus-ui-scale));padding:calc(14px * var(--nexus-ui-scale)) calc(18px * var(--nexus-ui-scale))}
:root[data-ui-scale="115"] .panel-head{height:calc(58px * var(--nexus-ui-scale));padding:calc(10px * var(--nexus-ui-scale)) calc(11px * var(--nexus-ui-scale))}
:root[data-ui-scale="115"] .resident-ai{grid-template-rows:calc(58px * var(--nexus-ui-scale)) calc(31px * var(--nexus-ui-scale)) minmax(0,1fr) auto}
:root[data-ui-scale="115"] .history-panel{grid-template-rows:calc(58px * var(--nexus-ui-scale)) auto minmax(0,1fr) auto}
:root[data-ui-scale="115"] .messages,:root[data-ui-scale="115"] #composer{gap:calc(8px * var(--nexus-ui-scale));padding:calc(10px * var(--nexus-ui-scale))}

@media (min-width:1051px) and (max-width:1366px){
  .nexus-workbench{--nexus-rail-width:190px;--nexus-history-width:220px}




  .history-panel{display:grid!important;position:relative;overflow:visible}.history-panel>*:not(.collapsed-tab){display:initial}.history-panel>.panel-head{display:flex}.history-panel .history-actions{display:grid}.history-panel .conversation-list{display:block}.history-panel .history-rename{display:grid}.history-panel .collapsed-tab{display:none}
}



/* Workspace Shell V4 — the stage never participates in panel geometry. */
html{font-size:16px}html[data-ui-scale="115"]{font-size:18.4px}.nexus-shell{grid-template-rows:3.5rem minmax(0,1fr)}
.workspace{position:absolute;inset:0;z-index:var(--nexus-z-workspace);width:100%;height:100%;display:grid;grid-template-rows:auto auto minmax(0,1fr) 1.6875rem;border:0}
.module-rail{position:absolute;inset:0 auto 0 0;z-index:var(--nexus-z-modules);width:var(--nexus-module-width);display:grid;transform:translateX(0);transition:transform var(--nexus-motion),box-shadow var(--nexus-motion);box-shadow:.35rem 0 1.15rem rgba(0,0,0,.2)}
.modules-collapsed .module-rail{width:var(--nexus-module-width);overflow:visible;transform:translateX(calc(-100% + var(--nexus-edge-tab)))}
.modules-collapsed.modules-overlay-open .module-rail{inset:0 auto 0 0;width:var(--nexus-module-width);transform:translateX(0);box-shadow:.65rem 0 1.5rem rgba(0,0,0,.3)}
.modules-collapsed .module-rail>*:not(.modules-edge-tab){visibility:hidden;opacity:0;pointer-events:none}.modules-collapsed.modules-overlay-open .module-rail>*:not(.modules-edge-tab){visibility:visible;opacity:1;pointer-events:auto}
.edge-tab{display:none}.modules-collapsed .modules-edge-tab{display:flex;position:absolute;right:0;top:5.5rem;width:var(--nexus-edge-tab);height:7.5rem;align-items:center;justify-content:center;padding:.5rem .25rem;writing-mode:vertical-rl;border-radius:0 .3rem .3rem 0;background:var(--nexus-surface-elevated)}.modules-overlay-open .modules-edge-tab{display:none}
.group-items>button,.modules-collapsed.modules-overlay-open .group-items>button{grid-template-columns:.5rem minmax(0,1fr) auto;gap:.65rem;padding:.5rem .7rem}.nav-marker{display:block;width:.25rem;height:.25rem;border-radius:50%;background:var(--nexus-text-faint)}.group-items>button.active .nav-marker{height:1rem;border-radius:.1rem;background:var(--nexus-accent)}
.resident-ai{box-shadow:-.4rem 0 1.2rem rgba(0,0,0,.2)}

.chat-collapsed .resident-ai .collapsed-tab{align-items:center;justify-content:center;writing-mode:vertical-rl}
.history-panel{position:absolute;z-index:var(--nexus-z-history);right:0;top:0;bottom:0;width:var(--nexus-history-width);display:grid;transform:translateX(0);transition:transform var(--nexus-motion);box-shadow:-.25rem 0 1rem rgba(0,0,0,.18)}
.workspace-tabs{display:flex;min-width:0;overflow-x:auto;gap:.2rem;padding:.35rem .75rem;border-bottom:1px solid var(--nexus-border);background:var(--nexus-surface)}.workspace-tab{display:flex;flex:0 0 auto;border:1px solid transparent}.workspace-tab button{border:0;background:transparent;padding:.35rem .65rem;white-space:nowrap}.workspace-tab.active{border-color:var(--nexus-active-border);background:var(--nexus-active)}.workspace-tab.active>button:first-child{color:var(--nexus-accent)}.workspace-tab .tab-close{padding-inline:.4rem;color:var(--nexus-text-muted)}
.conversation-record{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border:1px solid transparent}.conversation-record.active{background:var(--nexus-active);border-color:var(--nexus-active-border)}.conversation-record .conv-item{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-menu-trigger{padding:.35rem .5rem;border:0;background:transparent}.conversation-menu{position:absolute;right:.25rem;top:calc(100% - .2rem);z-index:var(--nexus-z-menu);width:8rem;padding:.25rem;background:var(--nexus-surface-elevated);border:1px solid var(--nexus-border);box-shadow:var(--nexus-shadow)}.conversation-menu button{display:block;width:100%;text-align:left;border:0;background:transparent}.history-panel{grid-template-rows:3.625rem auto minmax(0,1fr)}
.workspace-fullscreen .workspace{position:fixed;inset:0;z-index:var(--nexus-z-fullscreen)}.workspace-fullscreen .module-rail,.workspace-fullscreen .history-panel{visibility:hidden}.workspace-fullscreen .resident-ai .collapsed-tab{writing-mode:vertical-rl;align-items:center;justify-content:center}
@media(max-width:1050px){.module-rail{transform:translateX(calc(-100% + var(--nexus-edge-tab)))}.module-rail>*:not(.modules-edge-tab){visibility:hidden;opacity:0;pointer-events:none}.module-rail .modules-edge-tab{display:flex;position:absolute;right:0;top:5.5rem;width:var(--nexus-edge-tab);height:7.5rem;writing-mode:vertical-rl}.modules-overlay-open .module-rail{transform:translateX(0)}.modules-overlay-open .module-rail>*:not(.modules-edge-tab){visibility:visible;opacity:1;pointer-events:auto}.history-panel{max-width:calc(100vw - var(--nexus-edge-tab))}.hud-strip>span:nth-child(n+3),.system-display-wrap{display:none}}
@media(prefers-reduced-motion:reduce){:root{--nexus-motion:1ms linear}}

/* Nexus 0.7.1 — independent right columns and a centered 60% Workspace frame. */
.workspace>.stage-head,.workspace>.workspace-tabs,.workspace>.nexus-control-menu,.workspace>.stage-scroll,.workspace>.stage-footer{margin-left:var(--nexus-edge-tab);margin-right:var(--nexus-right-reserve)}
.workspace>.stage-head>div:first-child{min-width:0}.workspace>.stage-head .workspace-panel-actions{flex:0 0 auto}.workspace>.stage-head .stage-code{display:none}
.workspace>.stage-scroll{padding-inline:clamp(1.25rem,3vw,3rem)}


.workspace-fullscreen .workspace>.stage-head,.workspace-fullscreen .workspace>.workspace-tabs,.workspace-fullscreen .workspace>.stage-scroll,.workspace-fullscreen .workspace>.stage-footer{margin-left:0;margin-right:var(--nexus-edge-tab)}
@media(max-width:1050px){.workspace>.stage-head,.workspace>.workspace-tabs,.workspace>.stage-scroll,.workspace>.stage-footer{margin-left:var(--nexus-edge-tab);margin-right:calc(var(--nexus-edge-tab) * 2)}.history-panel{right:0}}
.nexus-workbench.modules-collapsed{--module-track:var(--nexus-module-collapsed)}

.workspace>.stage-head,.workspace>.workspace-tabs{min-width:0}.workspace>.stage-head{padding:1rem 1.25rem}.workspace>.stage-scroll{padding:1.25rem;overflow-x:hidden}.workspace>.workspace-tabs{padding-inline:.75rem}.workspace>.stage-footer{padding-inline:1rem}
.module-rail{width:var(--nexus-module-width);box-shadow:none}.rail-head{padding:.75rem .7rem}.rail-controls{gap:.25rem}.rail-controls button{width:1.9rem;height:1.9rem;padding:0}.module-menu{padding:.3rem .45rem}.group-toggle{padding:.55rem .4rem}.group-items>button,.modules-collapsed.modules-overlay-open .group-items>button{min-height:2rem;padding:.4rem .5rem;gap:.5rem}.group-items>button small{text-transform:uppercase;font-size:.55rem}.rail-foot{padding:.6rem .7rem}.modules-collapsed.modules-overlay-open .module-rail{box-shadow:.65rem 0 1.5rem rgba(0,0,0,.3)}.history-panel{right:0;width:var(--nexus-history-width);max-width:calc(100vw - var(--nexus-edge-tab));overflow:hidden}.collapsed-tab{border-radius:.3rem 0 0 .3rem}
.panel-head{padding:.7rem .8rem}.copilot-identity strong{font-size:1rem}.chat-presence{padding:.4rem .8rem}.history-actions{padding:.65rem}.conversation-list{padding:.35rem}.conversation-record .conv-item{text-align:left;padding:.55rem .45rem}
.settings-fullscreen{display:flex!important;justify-content:space-between;align-items:center;width:100%;text-align:left}.settings-fullscreen small{color:var(--nexus-text-muted)}.fullscreen-control{display:none!important}.fullscreen-invite{color:var(--nexus-accent)}
.module-page{width:100%;max-width:76rem;margin:0 auto}.module-header{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;width:100%;padding-bottom:1rem;border-bottom:1px solid var(--nexus-border)}.module-header h2{margin:.25rem 0}.module-header p{margin:0;color:var(--nexus-text-muted)}.status-card{max-width:24rem;padding:.7rem .85rem;border:1px solid var(--nexus-border);background:var(--nexus-surface);overflow-wrap:anywhere}.module-section{margin-top:1rem;padding:1rem;border:1px solid var(--nexus-border);background:var(--nexus-surface)}.module-section h3{margin:0 0 .8rem;font-size:.85rem}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem 1rem}.form-grid label{display:grid;gap:.3rem;color:var(--nexus-text-muted)}.form-grid input{width:100%}.form-span-2{grid-column:1/-1}.checkbox-field{display:flex!important;align-items:center}.actions-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.code-output{max-height:16rem;overflow:auto;padding:1rem;border:1px solid var(--nexus-border);background:var(--nexus-input);font: .75rem/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap}.module-section select{max-width:100%;margin-top:.75rem}
:root[data-ui-scale="115"]{--nexus-control-height:2.4rem}.nexus-shell{max-width:100vw;overflow:hidden}:root[data-ui-scale="115"] .nexus-hud,:root[data-ui-scale="115"] .module-menu,:root[data-ui-scale="115"] .history-actions,:root[data-ui-scale="115"] .conversation-list,:root[data-ui-scale="115"] .settings-menu{letter-spacing:.005em}
.nexus-shell:fullscreen{width:100vw;height:100vh}.nexus-shell.workspace-fullscreen{height:100vh;grid-template-rows:3.5rem minmax(0,1fr)}.workspace-fullscreen .workspace{position:absolute;inset:0;z-index:var(--nexus-z-workspace)}.workspace-fullscreen .module-rail,.workspace-fullscreen .history-panel{visibility:visible}
@media(max-width:1050px){.workspace>.stage-head,.workspace>.workspace-tabs,.workspace>.stage-scroll,.workspace>.stage-footer{margin-left:calc(var(--nexus-edge-tab) + .5rem);margin-right:calc(var(--nexus-edge-tab) * 2 + .5rem)}.resident-ai{box-shadow:var(--nexus-shadow)}.history-panel{box-shadow:var(--nexus-shadow)}.module-header{display:grid}.form-grid{grid-template-columns:1fr}.form-span-2{grid-column:auto}}
@media(max-width:700px){.workspace>.stage-head{display:grid}.workspace>.stage-head,.workspace>.stage-scroll{padding-inline:.75rem}.hud-brand{min-width:auto}.hud-brand strong span,.hud-strip{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Nexus 0.7.4 — isolated feature styling; shell tracks remain the 0.7.2 contract. */
.copilot-identity>div{margin-right:auto}.ai-symbol{display:grid;place-items:center;width:1.75rem;height:1.75rem;flex:none;border:1px solid var(--nexus-active-border);color:var(--nexus-accent);font:700 .72rem var(--font-ui);transform:rotate(45deg)}
.history-secondary{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.35rem}.history-secondary button,.history-secondary select{min-width:0;font-size:.68rem}
.folder-tree{display:grid;gap:.2rem}.folder-section{border-left:1px solid var(--nexus-border)}.folder-head{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:.2rem;padding-left:.25rem}.folder-toggle,.folder-menu{padding:.25rem .35rem;border-color:transparent;background:transparent}.folder-name{padding:.35rem .2rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--nexus-text-muted)}.folder-count{font:.58rem var(--font-ui);color:var(--nexus-text-faint)}.folder-conversations{padding-left:.75rem}.conversation-record{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}.conversation-menu-trigger{padding:.25rem .4rem;border-color:transparent;background:transparent}.conversation-menu{position:absolute;right:.25rem;top:calc(100% - .2rem);z-index:var(--nexus-z-menu);display:grid;min-width:10rem;padding:.3rem;border:1px solid var(--nexus-border);background:var(--nexus-surface-elevated);box-shadow:var(--nexus-shadow)}.conversation-menu button{text-align:left;border:0;background:transparent;font-size:.68rem}.conversation-menu select{width:100%;font-size:.68rem}.conversation-time{display:block;color:var(--nexus-text-faint);font-size:.58rem}.folder-empty{padding:.35rem .75rem;color:var(--nexus-text-faint);font-size:.65rem}
.sr-only{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}
:root[data-ui-scale="115"] .history-actions,:root[data-ui-scale="115"] .conversation-list{padding:calc(.625rem * 1.15)}

/* Nexus 0.7.5 — canonical independent tracks and hybrid Copilot resize. */
.nexus-workbench{--workspace-safe:520px}
.module-rail,.module-rail *{box-sizing:border-box;min-width:0;max-width:100%}.module-rail{width:var(--nexus-module-width);max-width:var(--nexus-module-width)}.module-menu,.rail-foot{overflow:auto}.group-items>button span,.group-items>button small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.history-panel{transition:width var(--nexus-motion),right var(--nexus-motion)}
.copilot-wide-overlay .resident-ai{box-shadow:var(--nexus-shadow)}
#view-openai{max-width:64rem}.module-page *{min-width:0}.module-section{max-width:100%;overflow:hidden}.form-grid input{box-sizing:border-box;max-width:100%}.key-hint{align-self:end;padding:.55rem;border:1px solid var(--nexus-border);color:var(--nexus-text-muted);overflow-wrap:anywhere}.code-output{height:auto;max-height:12rem;overflow:auto;overscroll-behavior:contain}.actions-row button{flex:0 1 auto}
:root[data-ui-scale="115"] #view-openai{max-width:58rem}:root[data-ui-scale="115"] .nexus-workbench{--workspace-safe:598px}
@media(max-width:1180px){.nexus-workbench{--module-track:var(--nexus-edge-tab)}.module-rail{transform:translateX(calc(-100% + var(--nexus-edge-tab)))}.modules-overlay-open .module-rail{transform:translateX(0)}}

/* Fullscreen preserves the independent right-hand panel contract. */
.workspace-fullscreen .history-panel{display:grid}


.modules-overlay-open .module-rail .modules-edge-tab{display:none!important}
.modules-overlay-open .rail-head{grid-template-columns:minmax(0,1fr) auto}
.nexus-workbench .collapsed-tab span,.nexus-workbench .collapsed-tab b{display:block!important;visibility:visible!important;opacity:1!important}.nexus-workbench .collapsed-tab span{color:var(--nexus-text-muted)!important}.nexus-workbench .collapsed-tab b{color:var(--nexus-text)!important}

/* Nexus 0.8.1 — canonical session gate and compact OpenAI laboratory. */
.session-gate{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:1rem;background:var(--nexus-bg);color:var(--nexus-text)}.session-gate[hidden]{display:none}.session-gate>div{width:min(28rem,100%);padding:1.25rem;border:1px solid var(--nexus-border);background:var(--nexus-surface);box-shadow:var(--nexus-shadow)}.session-gate .brand-mark{float:left;margin-right:.75rem}.session-gate h1{margin:.15rem 0;font-size:1rem}.session-gate p{clear:both;color:var(--nexus-text-muted)}
.login-window header{display:flex;align-items:center;gap:.7rem}.login-window header small{color:var(--nexus-text-muted);font:.6rem var(--font-ui)}.login-window header h1{margin:0}.login-window footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem}.login-window output{display:block;min-height:1.3rem;color:var(--nexus-danger);font-size:.72rem}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.capability-lab{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:.45rem}.capability-row{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.6rem;border:1px solid var(--nexus-border);background:var(--nexus-surface)}.capability-row>div{display:grid;min-width:0}.capability-row strong{font-size:.72rem}.capability-row span{color:var(--nexus-accent);font-size:.62rem}.capability-row small{overflow:hidden;color:var(--nexus-text-muted);font-size:.58rem;text-overflow:ellipsis;white-space:nowrap}.capability-row button{flex:none;font-size:.58rem}.runtime-diagnostic{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.35rem;margin:.7rem 0}.runtime-diagnostic p{display:grid;margin:0;padding:.45rem;border:1px solid var(--nexus-border)}.runtime-diagnostic strong{font-size:.58rem;color:var(--nexus-text-muted)}.runtime-diagnostic span{overflow-wrap:anywhere;font-size:.68rem}

/* Nexus 0.10.10 — CANONICAL SHELL GEOMETRY (single authoritative contract). */
.history-panel{display:none!important}
.nexus-shell,.nexus-workbench,.module-stage{max-width:100vw;overflow-x:hidden}
.nexus-workbench{
  position:relative;
  isolation:isolate;
  display:block;
  min-width:0;
  min-height:0;
  overflow:hidden;
  --nexus-workspace-left-reserve:var(--nexus-module-width);
}
.nexus-workbench.modules-collapsed{--nexus-workspace-left-reserve:var(--nexus-edge-tab)}
.workspace{
  position:absolute;
  inset-block:0;
  inset-inline-start:var(--nexus-workspace-left-reserve);
  z-index:var(--nexus-z-workspace);
  width:auto;
  height:auto;
  min-width:0;
  min-height:0;
  display:grid;
  grid-template-rows:auto auto auto minmax(0,1fr) auto;
  padding-inline:0;
  overflow:hidden;
  border:0;
  background:var(--nexus-workspace);
}
.workspace>.stage-head,.workspace>.workspace-tabs,.workspace>.stage-scroll,.workspace>.stage-footer{
  box-sizing:border-box;
  width:calc(100% - 2 * var(--nexus-stage-inline-margin));
  max-width:var(--nexus-stage-max-width);
  min-width:0;
  margin-inline:auto;
}
.workspace>.stage-scroll{min-height:0;padding-inline:0}
.module-rail{
  position:absolute;
  inset-block:0;
  inset-inline-start:0;
  z-index:var(--nexus-z-modules);
  width:var(--nexus-module-width);
  max-width:var(--nexus-module-width);
}
.resident-ai,.resident-ai[data-state="collapsed"],.resident-ai[data-state="temporary-overlay"],.resident-ai[data-state="pinned-docked"],.resident-ai[data-state="wide-overlay"],.resident-ai[data-state="resizing"]{grid-template-rows:auto auto minmax(0,1fr);border:0;border-inline-start:var(--nexus-panel-border-width) solid var(--nexus-panel-border-color);border-radius:0;background:var(--nexus-register)}


.resident-ai[data-state="collapsed"] .collapsed-tab{align-items:center;justify-content:center;writing-mode:vertical-rl}

.chat-proximity-zone{background:transparent}



.resident-ai[data-state="temporary-overlay"],.resident-ai[data-state="wide-overlay"]{box-shadow:var(--nexus-overlay-shadow)!important}
.resident-ai[data-state="pinned-docked"],.resident-ai[data-state="collapsed"],.resident-ai.resizing{box-shadow:none!important}
.module-rail{border-color:var(--nexus-panel-border-color);background:var(--nexus-panel)}.resident-ai{border-color:var(--nexus-panel-border-color);background:var(--nexus-panel)}
.modules-collapsed.modules-overlay-open .module-rail{box-shadow:var(--nexus-overlay-shadow)!important}
.modules-edge-tab{box-sizing:border-box;width:var(--nexus-edge-tab)!important;border:var(--nexus-panel-border-width) solid var(--nexus-panel-border-color)!important;background:var(--nexus-surface-elevated);box-shadow:none!important}.resident-ai[data-state="collapsed"] .collapsed-tab{box-sizing:border-box;border:var(--nexus-panel-border-width) solid var(--nexus-panel-border-color)!important;background:var(--nexus-surface-elevated);box-shadow:none!important}
.copilot-identity{position:relative;display:flex;align-items:center;justify-content:space-between;gap:.5rem;min-height:3.75rem;padding:max(.65rem,env(safe-area-inset-top)) .75rem .65rem;overflow:visible;border-bottom:var(--nexus-panel-border-width) solid var(--nexus-panel-border-color)}
.copilot-primary{display:flex;align-items:center;gap:.65rem;min-width:0;flex:1;overflow:hidden}.copilot-primary>div{display:grid;min-width:0;grid-template-rows:auto auto auto}.copilot-primary strong,.copilot-primary span,.copilot-product{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copilot-product{color:var(--nexus-accent);font:700 .55rem/1.2 var(--font-ui);letter-spacing:.07em}.copilot-controls{position:static!important;display:flex;align-items:center;flex:none;gap:.25rem;z-index:2}.copilot-controls button{min-width:2rem;min-height:2rem;padding:.35rem .5rem}.chat-pin[aria-pressed="true"]{background:var(--nexus-active);border-color:var(--nexus-accent)}
.chat-surface-tabs{min-height:2.75rem;border-bottom:var(--nexus-panel-border-width) solid var(--nexus-panel-border-color)}
.stage-head{display:flex;justify-content:space-between;text-align:left}.stage-head>div:first-child{flex:1;min-width:0}.stage-head>div:last-child{flex:none}
.stage-footer{min-height:32px!important;display:flex!important;align-items:center;justify-content:space-between;gap:16px;padding:4px 12px!important;border-top:1px solid var(--nexus-panel-border-color);font:9px var(--font-ui);text-transform:uppercase}.stage-footer>div{display:flex;gap:10px;min-width:0}.stage-footer>div:last-child{justify-content:flex-end}.stage-footer strong{color:var(--nexus-text)}.stage-footer span{color:var(--nexus-text-muted);white-space:nowrap}
.module-organize{padding:.25rem .6rem}.module-organize button{width:100%;font:600 .58rem var(--font-ui);color:var(--nexus-text-faint);background:transparent;border:1px solid var(--nexus-border)}.module-group,[data-module-id]{transition:transform var(--nexus-motion),border-color var(--nexus-motion),opacity var(--nexus-motion)}[data-module-id]:hover{cursor:grab}[data-module-id].dragging,.module-group.dragging{cursor:grabbing;opacity:.55;border-color:var(--nexus-accent);box-shadow:var(--nexus-shadow)}.module-group[draggable=true]>.group-toggle:hover{cursor:grab}.nexus-hud{background:var(--nexus-hud)}.module-stage{background:var(--nexus-stage)}input,select,textarea{background:var(--nexus-input)}
@media(max-width:1366px){.history-filters{grid-template-columns:1fr}}
@media(max-width:1100px){.stage-footer>div span:nth-child(n+2){display:none}}
@media(max-width:720px){.control-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.stage-footer>div:last-child span:last-child{display:none}}
@media(hover:none){}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
.module-rail .rail-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.rail-head>div:first-child{min-width:0;overflow:hidden}.rail-head>div:first-child span,.rail-head>div:first-child strong{display:block;white-space:nowrap}.rail-controls{position:static;flex:none}

/* Nexus 0.10.11 — Cockpit Final Visual Refinement V1. */
.module-rail{transition-duration:var(--nexus-panel-open-duration);transition-timing-function:var(--nexus-panel-open-easing)}
.module-rail{transition-property:transform,box-shadow}

.modules-edge-tab{top:5.5rem!important;height:var(--nexus-edge-tab-height)!important;min-height:var(--nexus-edge-tab-height);padding:.5rem .25rem!important;align-items:center!important;justify-content:center!important;text-align:center;line-height:1}.resident-ai[data-state="collapsed"] .collapsed-tab{padding:.5rem .25rem!important;align-items:center!important;justify-content:center!important;text-align:center;line-height:1}
.copilot-identity{min-height:5rem;padding:.65rem .75rem;align-items:center}.copilot-primary{align-items:center;overflow:visible}.copilot-primary>div{display:grid;gap:.18rem;overflow:visible}.copilot-name-line{display:flex;align-items:baseline;gap:.55rem;min-width:0}.copilot-primary strong{font-size:1.05rem;line-height:1.15}.copilot-corporate{color:var(--nexus-text-muted);font:600 .6rem/1.2 var(--font-ui);letter-spacing:.04em;text-transform:uppercase}.copilot-product{font-size:.58rem}.copilot-primary #copilotRole{font-size:.65rem;color:var(--nexus-text-muted)}
.rail-controls button,.copilot-controls button{box-sizing:border-box;width:auto;min-width:var(--nexus-panel-control-size);height:var(--nexus-panel-control-size);min-height:var(--nexus-panel-control-size);padding:0 .45rem;border:1px solid var(--nexus-border);border-radius:var(--nexus-panel-radius);background:var(--nexus-surface-elevated);display:inline-flex;align-items:center;justify-content:center;font-size:.64rem;line-height:1}.copilot-controls{align-self:center;gap:.25rem}.copilot-controls .collapse-control{width:var(--nexus-panel-control-size);padding:0;font-size:1rem}
.workspace>.stage-head{width:100%;max-width:none;margin-inline:0}

/* Nexus 0.10.12 — Cockpit Horizontal and Identity Refinement V1. */
.modules-edge-tab{
  inset-block-start:5.5rem!important;
  width:3rem!important;
  height:3rem!important;
  min-width:3rem;
  min-height:3rem!important;
  padding:0!important;
  writing-mode:horizontal-tb!important;
  font-size:1.25rem;
  line-height:1;
}.resident-ai[data-state="collapsed"] .collapsed-tab{padding:0!important;writing-mode:horizontal-tb!important;font-size:1.25rem;line-height:1}
.modules-edge-tab span{display:block;line-height:1}.resident-ai[data-state="collapsed"] .collapsed-tab span{line-height:1}
.copilot-primary #copilotRole{font-size:.62rem;line-height:1.35;letter-spacing:.01em;text-transform:none}
/* The dock and stage own separate physical tracks on wide horizontal viewports. */
.module-rail{box-sizing:border-box;inset-block:0;overflow:hidden}
.nexus-workbench:not(.modules-collapsed) .module-rail{transform:none!important}
.workspace{box-sizing:border-box;contain:layout paint}
.workspace>.workspace-tabs{width:100%;max-width:none;margin-inline:0;padding-inline:0}
.workspace>.workspace-tabs>*:first-child{margin-inline-start:0}
.workspace>.workspace-tabs>*:last-child{margin-inline-end:0}

/* Nexus 0.10.13 — Cockpit Identity and Control Standardization V1. */
.nexus-icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
.nexus-icon{display:block;width:1.25rem;height:1.25rem;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nexus-icon-control{box-sizing:border-box;min-width:2.75rem!important;min-height:2.75rem!important;border-radius:.5rem!important}
.nexus-icon-control .nexus-icon{width:1.25rem;height:1.25rem}
.rail-controls,.copilot-controls{gap:.375rem}
.rail-controls button,.copilot-controls button{color:var(--nexus-text-muted);background:var(--nexus-surface-elevated);border-color:var(--nexus-panel-border-color)}
.rail-controls button:hover,.copilot-controls button:hover,.rail-controls button:focus-visible,.copilot-controls button:focus-visible{color:var(--nexus-text);border-color:var(--nexus-accent);background:var(--nexus-active)}
#modulesPin[aria-pressed="true"],.chat-pin[aria-pressed="true"]{color:var(--nexus-accent);border-color:var(--nexus-accent);background:var(--nexus-active)}
.modules-edge-tab{width:3.25rem!important;height:10rem!important;min-width:3.25rem;min-height:10rem!important;padding:.75rem .35rem!important;display:flex!important;flex-direction:column;gap:.65rem;border-radius:0 .55rem .55rem 0!important}.resident-ai[data-state="collapsed"] .collapsed-tab{padding:.75rem .35rem!important;flex-direction:column;gap:.65rem;border-radius:0 .55rem .55rem 0!important}
.resident-ai[data-state="collapsed"] .collapsed-tab{border-radius:.55rem 0 0 .55rem!important}
.nexus-side-launcher .nexus-icon{width:1.35rem;height:1.35rem;color:var(--nexus-accent)}
.side-launcher-label{display:block!important;color:var(--nexus-text)!important;font:700 .63rem/1.1 var(--font-ui)!important;letter-spacing:.06em;text-transform:uppercase;writing-mode:vertical-rl;transform:rotate(180deg)}
.nexus-side-launcher[aria-expanded="false"]{color:var(--nexus-text);border-color:var(--nexus-accent)!important;background:var(--nexus-active)!important;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--nexus-accent) 22%,transparent)!important}
.copilot-identity{min-height:6.25rem;padding:.7rem .75rem;background:color-mix(in srgb,var(--nexus-accent) 7%,var(--nexus-panel))}
.copilot-primary{gap:.7rem}.copilot-primary>div.blu-profile{display:grid;grid-template-rows:auto auto auto auto;gap:.14rem}
.blu-seal{position:relative;display:grid!important;place-items:center;flex:none;width:2.75rem;height:2.75rem;overflow:visible!important;border:1px solid var(--nexus-accent);border-radius:.7rem;background:color-mix(in srgb,var(--nexus-accent) 22%,var(--nexus-surface-elevated));box-shadow:inset 0 0 0 3px var(--nexus-panel),0 0 1rem color-mix(in srgb,var(--nexus-accent) 14%,transparent)}
.blu-seal::after{content:"";position:absolute;inset:.32rem;border:1px solid color-mix(in srgb,var(--nexus-accent) 45%,transparent);border-radius:.42rem;transform:rotate(45deg)}
.blu-seal span{position:relative;z-index:1;color:var(--nexus-text);font:800 1rem/1 var(--font-ui)!important}
.copilot-primary #copilotRole{font-size:.61rem;color:var(--nexus-text-muted)}.copilot-context{color:var(--nexus-accent);font:600 .57rem/1.25 var(--font-ui);letter-spacing:.025em}

/* Nexus 0.10.14 — Minimal Cockpit Rebalance V1. */
.nexus-icon-control{min-width:2.75rem!important;min-height:2.75rem!important;padding:.65rem!important;border-color:transparent!important;border-radius:.35rem!important;background:transparent!important}
.nexus-icon-control .nexus-icon{width:1.05rem;height:1.05rem;stroke-width:1.65}
.rail-controls,.copilot-controls{gap:.125rem}
.rail-controls button:hover,.copilot-controls button:hover,.rail-controls button:focus-visible,.copilot-controls button:focus-visible{background:color-mix(in srgb,var(--nexus-accent) 7%,transparent)!important;border-color:var(--nexus-panel-border-color)!important}
#modulesPin[aria-pressed="true"],.chat-pin[aria-pressed="true"]{color:var(--nexus-accent);background:color-mix(in srgb,var(--nexus-accent) 9%,transparent)!important;border-color:color-mix(in srgb,var(--nexus-accent) 40%,var(--nexus-panel-border-color))!important}
.copilot-identity{min-height:4.25rem;padding:.45rem .55rem .45rem .75rem;background:var(--nexus-panel)}
.copilot-primary{gap:0}.copilot-primary>div.blu-profile{display:grid;grid-template-rows:auto auto;gap:.18rem}
.copilot-product{color:var(--nexus-text);font-size:.68rem;letter-spacing:.045em}
.copilot-primary #copilotRole{color:var(--nexus-text-muted);font:500 .68rem/1.25 var(--font);letter-spacing:0}.copilot-primary #copilotRole b{color:var(--nexus-text);font-weight:650}
.copilot-controls{display:flex;flex-flow:row nowrap;align-items:center;align-self:center}
.modules-edge-tab{inset-block-start:5.5rem!important;width:2.75rem!important;height:7rem!important;min-width:2.75rem;min-height:7rem!important;padding:.55rem .25rem!important;gap:.45rem;border-width:1px!important;border-color:var(--nexus-panel-border-color)!important;background:color-mix(in srgb,var(--nexus-surface-elevated) 82%,transparent)!important;border-radius:0 .3rem .3rem 0!important}.resident-ai[data-state="collapsed"] .collapsed-tab{padding:.55rem .25rem!important;gap:.45rem;border-width:1px!important;border-color:var(--nexus-panel-border-color)!important;background:color-mix(in srgb,var(--nexus-surface-elevated) 82%,transparent)!important;border-radius:0 .3rem .3rem 0!important}
.resident-ai[data-state="collapsed"] .collapsed-tab{border-radius:.3rem 0 0 .3rem!important}
.nexus-side-launcher .nexus-icon{width:1rem;height:1rem;color:var(--nexus-text-muted);stroke-width:1.65}
.side-launcher-label{color:var(--nexus-text-muted)!important;font-size:.56rem!important;font-weight:650!important;letter-spacing:.045em}
.nexus-side-launcher:hover,.nexus-side-launcher:focus-visible{color:var(--nexus-text)!important;border-color:color-mix(in srgb,var(--nexus-accent) 45%,var(--nexus-panel-border-color))!important;background:var(--nexus-surface-elevated)!important}
.nexus-side-launcher[aria-expanded="false"]{color:var(--nexus-text)!important;border-color:color-mix(in srgb,var(--nexus-accent) 55%,var(--nexus-panel-border-color))!important;background:color-mix(in srgb,var(--nexus-accent) 8%,var(--nexus-surface-elevated))!important;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--nexus-accent) 8%,transparent)!important}

/* Nexus 0.10.15 — Component Rail Simplification V1. */
.nexus-workbench:not(.modules-collapsed) .modules-edge-tab{display:none!important}
.modules-edge-tab{
  inset-block-start:1.25rem!important;
  width:2.75rem!important;
  height:auto!important;
  min-width:2.75rem;
  min-height:0!important;
  padding:.45rem .2rem!important;
  border:0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}.resident-ai[data-state="collapsed"] .collapsed-tab{padding:.45rem .2rem!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important}
.nexus-side-launcher:hover,.nexus-side-launcher:focus-visible,.nexus-side-launcher[aria-expanded="false"]{
  color:var(--nexus-text)!important;
  border:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
.nexus-side-launcher:focus-visible{outline:1px solid var(--nexus-accent);outline-offset:-1px}
.side-launcher-label{
  color:var(--nexus-text-muted)!important;
  font:650 1rem/1.15 var(--font-ui)!important;
  letter-spacing:.035em;
}
.rail-head,.copilot-identity{align-items:center}
.rail-controls,.copilot-controls{display:flex!important;flex-flow:row nowrap!important;align-items:center!important;align-self:center;gap:.125rem}
/* Nexus 0.14.1 — Evolution GPT handoff loop */
.evolution-summary{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.evolution-summary span{border:1px solid var(--line);padding:.45rem .7rem;font-size:.78rem}.evolution-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.evolution-form label{display:grid;gap:.35rem}.evolution-form textarea{min-height:5rem;resize:vertical}.evolution-form .actions-row{grid-column:1/-1}.evolution-list{display:grid;gap:.75rem}.evolution-list article{border:1px solid var(--line);padding:.8rem}.evolution-list article header{display:flex;justify-content:space-between;gap:1rem}.evolution-list small{overflow-wrap:anywhere}.response-detail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem}.response-detail section{border-top:1px solid var(--line);margin-top:.5rem}.response-detail li{overflow-wrap:anywhere}@media(max-width:760px){.evolution-form,.response-detail{grid-template-columns:1fr}}

/* Nexus 0.15.10 — Copilot visual width overlays the canonical stage reservation. */
.nexus-workbench[data-chat-state="pinned-docked"]{--nexus-workspace-right-reserve:var(--nexus-copilot-standard-width)}
.nexus-workbench[data-chat-state="temporary-overlay"],.nexus-workbench[data-chat-state="collapsed"]{--nexus-workspace-right-reserve:0px}




.rail-foot{box-sizing:border-box;height:2.7rem;min-height:2.7rem;padding:.35rem .7rem;overflow:hidden;font-size:.66rem}.rail-foot small{font-size:.62rem}
.module-stage,.stage-viewport,.stage-world,.module-window{cursor:default}
.workspace-setting{display:grid;gap:6px;padding:8px 0}.workspace-setting select{width:100%;min-height:36px}.workspace-setting small{color:var(--danger,#b42318);min-height:1em}