/* Kuartal Agents: KuartalOS Neutral V2 visual system.
   Pinned colors/spacing from kuartalos/apps/shell/src/neutral-v2-tokens.css.
   Loaded after the legacy agent shell styles, without touching runtime behavior. */
:root {
  --k-font-display:"Poppins",Arial,system-ui,sans-serif;
  --k-font-body:"Arial Unicode MS",Arial,"Noto Sans",system-ui,sans-serif;
  --k-radius:12px;--k-dot-gap:24px;--k-control-speed:180ms;
}
:root[data-theme="light"]{
  --k-bg:#FFFFFF;--k-bg-warm:#FAF9F6;--k-surface:#F5F5F3;--k-surface-elev:#FFFFFF;
  --k-text:#171717;--k-text-muted:#555555;--k-border:#E5E5E3;--k-border-strong:#BDBDB9;
  --k-primary:#171717;--k-primary-ink:#FFFFFF;--k-focus:#171717;--k-dot:#A5A5A2;
  color:#171717;background:#fff;color-scheme:light;
}
:root[data-theme="dark"]{
  --k-bg:#111111;--k-bg-warm:#151515;--k-surface:#191919;--k-surface-elev:#242424;
  --k-text:#F5F5F5;--k-text-muted:#BDBDBD;--k-border:#363636;--k-border-strong:#858585;
  --k-primary:#F5F5F5;--k-primary-ink:#111111;--k-focus:#F5F5F5;--k-dot:#858585;
  color:#F5F5F5;background:#111;color-scheme:dark;
}
html,body{background:var(--k-bg);color:var(--k-text);font-family:var(--k-font-body)}
.app,.sidebar,main,.workspace-home,.marketplace-panel,.studio,.taskboard{color:var(--k-text)}
.sidebar{background:var(--k-bg-warm);border-color:var(--k-border)}
main,header{background:var(--k-bg);color:var(--k-text)}
header{border-color:var(--k-border)}
.brand{font-family:var(--k-font-display);font-size:14px;color:var(--k-text)}
.nav-label,.side-section-title,.state,.eyebrow,.workspace-home>p,.marketplace-panel>p,.studio>p{color:var(--k-text-muted)}
.nav,.side-agent,.side-actions button,.side-section-title button{color:var(--k-text)}
.nav:hover,.nav.active,.side-agent:hover,.side-actions button:hover,.side-section-title button:hover{background:var(--k-surface);color:var(--k-text)}
.nav,.side-agent,.side-actions button,.side-section-title button{transition:background var(--k-control-speed) ease}
.nav .nv-icon{width:19px;height:19px;flex:none}
.side-actions .nv-icon,.side-section-title .nv-icon{width:19px;height:19px}
.account-trigger,.account-menu{background:var(--k-surface-elev);border-color:var(--k-border);color:var(--k-text)}
.account-trigger .account-avatar{background:var(--k-surface);color:var(--k-text)}
.account-copy small,.account-menu button,.account-menu strong{color:var(--k-text-muted)}
.account-menu{position:absolute;bottom:78px;left:11px;right:11px;z-index:120;padding:12px;border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.24);backdrop-filter:none;opacity:1}
.sidebar{position:relative}
.account-menu button{color:var(--k-text)}
.account-menu button:hover{background:var(--k-surface)}
.account-menu hr{border-color:var(--k-border)}
.appearance-picker{border:0;border-top:1px solid var(--k-border);padding:12px 0 10px;margin:8px 0 0}
.appearance-picker legend{font-size:11px;color:var(--k-text-muted);font-weight:600;padding:0}
.appearance-picker>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.account-menu .appearance-picker button{padding:9px 3px;text-align:center;border:1px solid var(--k-border);border-radius:9px;background:var(--k-surface-elev);color:var(--k-text);font-size:11px}
.account-menu .appearance-picker button.active{border-color:var(--k-focus);background:var(--k-surface);font-weight:600}
.neutral-appicon{display:inline-grid;place-items:center;width:30px;height:30px;flex:none}
.neutral-appicon img{grid-area:1/1;width:100%;height:100%;object-fit:contain}
.neutral-appicon .neutral-dark,.rt-model-glyph .neutral-dark{display:none}
[data-theme="dark"] .neutral-appicon .neutral-light,[data-theme="dark"] .rt-model-glyph .neutral-light{display:none}
[data-theme="dark"] .neutral-appicon .neutral-dark,[data-theme="dark"] .rt-model-glyph .neutral-dark{display:block}
.workspace-home,.marketplace-panel{position:relative;isolation:isolate}
.workspace-home:before,.marketplace-panel:before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(var(--k-dot) .85px,transparent .85px);background-size:var(--k-dot-gap) var(--k-dot-gap);
  opacity:.14;mask-image:linear-gradient(to bottom,transparent,black 25%,transparent 90%);
}
.workspace-home h1,.marketplace-panel h1,.studio h1{font-family:var(--k-font-display);color:var(--k-text)}
.home-agent-card,.template-card,.agent-option,.agent-editor,.taskboard,.grid article,.workspace-compose,.rt-panel,.connections-content{
  background:var(--k-surface-elev);border-color:var(--k-border);color:var(--k-text);
  border-radius:var(--k-radius);box-shadow:none;
}
.home-agent-card:hover,.template-card:hover,.agent-option.active{border-color:var(--k-border-strong);background:var(--k-surface)}
.home-agent-card strong,.template-card strong,.agent-option,.agent-editor strong{color:var(--k-text)}
.home-agent-card small,.template-card small,.agent-preview small,.studio-disclaimer,.taskheading p,.grid p,.grid span{color:var(--k-text-muted)}
.home-agent-avatar,.side-agent-avatar,.template-avatar,.mini-avatar{background:var(--k-surface)!important;border:1px solid var(--k-border);color:var(--agent-color,var(--k-text));border-radius:12px}
.home-agent-avatar svg,.side-agent-avatar svg,.mini-avatar svg{width:65%;height:65%;stroke:currentColor;fill:none}
.workspace-compose textarea,.rt-row select,.marketplace-search input,.agent-editor input:not([type=color]),.agent-editor textarea,.agent-editor select,.taskentry input,.taskrow select{
  background:var(--k-surface-elev);border-color:var(--k-border);color:var(--k-text)
}
.workspace-compose textarea{background:transparent}
.workspace-compose textarea::placeholder,.marketplace-search input::placeholder{color:var(--k-text-muted)}
.workspace-compose label,.workspace-compose span,.rt-panel p,.rt-row label,.rt-tool strong,.rt-panel .rt-policy{color:var(--k-text-muted)}
.rt-buttons .secondary,.workspace-compose .rt-buttons .secondary{color:var(--k-text);background:var(--k-surface-elev);border-color:var(--k-border)}
.workspace-compose button,.template-add,.rt-panel button,.editor-actions button[type=submit]{color:var(--k-primary-ink);background:var(--k-primary);border:1px solid var(--k-primary);border-radius:10px}
.workspace-compose button:hover,.template-add:hover,.rt-panel button:hover{filter:brightness(.88)}
.workspace-compose button:disabled,.rt-panel button:disabled{filter:none;opacity:.4}
.rt-panel .rt-result,.rt-panel .rt-result p,.rt-panel .rt-result li,.rt-tool strong,.rt-run-head strong{color:var(--k-text)}
.rt-label,.rt-tool small,.rt-hist small,.rt-history-box{color:var(--k-text-muted)!important}
.rt-tools,.rt-step pre,.rt-status{border-color:var(--k-border);background:var(--k-surface)}
.rt-step pre,.rt-step code,.rt-result code{color:var(--k-text)}
.rt-step pre,.rt-result code{background:var(--k-bg-warm)}
.rt-row select{width:100%;min-width:0;padding:11px 28px 11px 43px;appearance:none}
.rt-row select option{background:var(--k-surface-elev);color:var(--k-text)}
.rt-picker{position:relative;display:flex;align-items:center;border-radius:10px;background:var(--k-surface-elev)}
.rt-picker:after{content:"";position:absolute;pointer-events:none;right:15px;width:8px;height:8px;border-right:1.5px solid var(--k-text-muted);border-bottom:1.5px solid var(--k-text-muted);transform:rotate(45deg) translateY(-3px)}
.rt-agent-glyph,.rt-model-glyph{position:absolute;left:12px;z-index:1;pointer-events:none;display:grid;place-items:center;width:24px;height:24px;color:var(--k-text)}
.rt-model-glyph img{grid-area:1/1;width:22px;height:22px}
.rt-agent-glyph svg{width:23px;height:23px}
.agent-preview,.editor-actions button,.taskboard button,.market-filter,.connections-content{background:var(--k-surface);color:var(--k-text)}
.market-filter.active{background:var(--k-primary);color:var(--k-primary-ink)}
.connections-modal{background:rgba(0,0,0,.65)}
.close-modal{color:var(--k-text)}
.connection-grid div{border-color:var(--k-border)}
@media(max-width:850px){.sidebar{position:fixed;z-index:90}.account-menu{position:relative;left:auto;right:auto;bottom:auto}.workspace-home,.marketplace-panel{padding:54px 24px}}
@media(max-width:600px){.workspace-home h1{font-size:clamp(28px,8vw,38px)}.rt-row label{min-width:100%}.neutral-appicon{width:28px;height:28px}}
:where(button,a,input,select,textarea,[role="button"]):focus-visible{outline:2px solid var(--k-focus);outline-offset:3px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important} .nav,.side-agent,.side-actions button{transition:none}}

/* Character studio follows the same flat icon treatment as the workspace. */
.character-art{background:var(--k-surface-elev)!important;border:1px solid var(--k-border);color:var(--agent-color,var(--k-text))!important;border-radius:16px;box-shadow:none}
.character-art svg{filter:none}
.agent-preview{background:var(--k-surface)}
.agent-editor label,.agent-editor p,.rt-panel .rt-who{color:var(--k-text-muted)}
.agent-editor input:focus-visible,.agent-editor textarea:focus-visible,.agent-editor select:focus-visible{border-color:var(--k-focus)}
.menu .nv-icon,.card-icon .nv-icon{width:21px;height:21px}
.card-icon{background:var(--k-surface);color:var(--k-text);border:1px solid var(--k-border)}
/* Native select popovers are platform-owned but keep an opaque contrast-safe palette. */
select,option{color-scheme:inherit}