/* Alpha Only: spatial, cyan-lit focus canvas following references 12/13. */
html[data-view="alpha-only"] {color-scheme:dark;--ink:#e7f4ff;--muted:#aec4da;--line:#31546d;--panel:#10243bed;--surface:#10243b;--canvas:#06111f;--border:#31546d;--accent-soft:#224a65;--accent:#8bd9ff;background:#06111f;}
html[data-view="alpha-only"] body{background:radial-gradient(ellipse at 50% 35%,#143452 0,#091829 48%,#040d18 100%);color:var(--ink);min-height:100vh;}
html[data-view="alpha-only"] .global-header,html[data-view="alpha-only"] .workspace-bar{background:#0a1a2de8;color:var(--ink);border-color:#27475e;}
html[data-view="alpha-only"] .global-header .brand-claim,html[data-view="alpha-only"] .context-indicator p{color:#aec4da;}
html[data-view="alpha-only"] .section-navigation,html[data-view="alpha-only"] .page-footer{display:none;}
html[data-view="alpha-only"] .panel,html[data-view="alpha-only"] dialog,html[data-view="alpha-only"] .card{background:#0d2239e8;color:#e7f4ff;border-color:#31546d;box-shadow:0 0 36px #42acdf0a;}
html[data-view="alpha-only"] :is(input,select,textarea,button,.quiet){color:#e7f4ff;background:#132f49;border-color:#426d89;}
html[data-view="alpha-only"] :is(.primary,button[aria-pressed="true"]){background:#96ddff;color:#071828;border-color:#96ddff;}
html[data-view="alpha-only"] :is(.supporting,.eyebrow,.input-hint,.empty-state,.contract-settings,.badge){color:#b9d1e5;}
html[data-view="alpha-only"] .badge{background:#15324b;}
html[data-view="alpha-only"] .notice{background:transparent;color:#cce7fa;}
html[data-view="alpha-only"] .mobile-bottom-navigation{background:#0c2035;color:#dbeefd;}
html[data-view="alpha-only"] .mobile-bottom-navigation a{color:#dbeefd;}
html[data-view="alpha-only"] :focus-visible{outline-color:#9ce6ff;}
html[data-view="alpha-only"] .skip-link{background:#15324b;color:#e7f4ff;}
html[data-view="alpha-only"] .mode-switch{background:#1c3b54;}
html[data-view="alpha-only"] .chat-history p{background:#18364f;color:#e7f4ff;}
html[data-view="alpha-only"] .alpha-input{background:#0b2137;border-color:#69bce8;box-shadow:0 0 0 3px #163c59;}
html[data-view="alpha-only"] textarea::placeholder{color:#aac6dc;opacity:1;}
html[data-view="alpha-only"] button:disabled{opacity:.6;cursor:not-allowed;}
html[data-view="alpha-only"] .mobile-bottom-navigation a[aria-current="page"]{background:#224a65;color:#eef9ff;}
.alpha-only-space[data-world="conversation"] .chat-history{max-height:45dvh;min-height:180px;font-size:1rem;}
.alpha-only-space{max-width:1640px;margin:auto;min-width:0;}
.focus-navigation{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin:8px 0 20px;}
.focus-navigation label{max-width:270px;flex:1;min-width:150px;}
.focus-navigation button{min-height:44px;}
.focus-ambient{font-size:.85rem;color:#bdd4e6;margin:0 0 12px;}
.alpha-core{text-align:center;display:grid;justify-items:center;padding:12px 0 20px;}
.alpha-core h1{font-weight:500;letter-spacing:.04em;font-size:clamp(1.7rem,3vw,2.8rem);margin:10px 0;}
.alpha-core p{color:#b4cce0;max-width:52ch;margin:0;}
.core-light{width:clamp(90px,12vw,180px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 36% 28%,#b2ebff,#3699c5 7%,#123655 40%,#09182c 66%,#67cbf5 69%,#092137 74%);box-shadow:0 0 65px #299cdd30,inset 0 0 25px #78c7e666;border:1px solid #56bee978;}
.core-light img{width:46%;filter:drop-shadow(0 0 10px #80cfff);}
.focus-canvas{min-height:55vh;min-width:0;}
.focus-canvas>.assistant-panel{max-width:1120px;margin:auto;}
.focus-canvas>.knowledge-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.34fr);gap:20px;}
.alpha-only-space[data-world="home"] .conversation-toolbar{max-width:800px;}
.alpha-only-space[data-world="home"] .assistant-panel{border-radius:24px;}
.alpha-only-space[data-world="home"] .assistant-mode{display:none;}
.focus-unavailable{text-align:center;padding:clamp(36px,7vw,110px) 20px;}
.focus-unavailable h1{font-size:clamp(2rem,4vw,3rem);}
.focus-unavailable p{max-width:60ch;margin:16px auto;}
.alpha-only-space[data-density="compact"] .panel{padding:16px;}
.alpha-only-space[data-density="compact"] .card{padding:12px;}
.alpha-only-space[data-renderer="text"] .knowledge-list .card{border:0;border-bottom:1px solid #31546d;box-shadow:none;border-radius:0;background:transparent;}
.alpha-only-space[data-renderer="timeline"] .knowledge-list{border-left:2px solid #7dd5fb;padding-left:20px;}
.alpha-only-space[data-renderer="timeline"] .knowledge-list .card{position:relative;}
.alpha-only-space[data-renderer="timeline"] .knowledge-list .card:before{content:'';width:10px;height:10px;border-radius:50%;background:#99e0ff;position:absolute;left:-27px;top:24px;}
.knowledge-detail{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;overflow-wrap:anywhere;}
.knowledge-detail ol{padding-left:22px;}
.knowledge-detail .evidence-record{white-space:pre-wrap;}
.rule-list article{border-top:1px solid var(--line);padding:16px 0;overflow-wrap:anywhere;}
.rule-list button{margin:4px;}
#presentation-dialog{width:min(720px,calc(100vw - 24px));}
#presentation-form label{display:block;margin-top:12px;}
#presentation-form input[type="checkbox"]{width:auto;display:inline-block;}
.mode-switch button[aria-pressed="true"]{font-weight:700;}
@media(max-width:767px){.focus-navigation{gap:8px;}.focus-navigation label{max-width:none;flex-basis:100%;}.focus-canvas>.knowledge-workspace{grid-template-columns:minmax(0,1fr);}.alpha-core{padding-top:0;}.focus-canvas{min-height:60vh;}.core-light{width:100px;} .alpha-only-space .panel{padding:16px;} .alpha-only-space .contract-settings{flex-wrap:wrap;}}
@media(max-width:767px){.workspace-bar .mode-switch{display:flex;flex-basis:100%;width:100%;}.mode-switch button{flex:1;min-height:44px;}.alpha-only-space .conversation-toolbar{flex-wrap:wrap;}.alpha-only-space .conversation-toolbar label{flex-basis:100%;}.alpha-only-space .conversation-toolbar select{width:100%;}}