/* Espacio mental unificado: chat, contexto y grafo en una sola pantalla. */
body.modo-cerebro .main{padding:24px;max-width:none}.ub-workspace{margin:0 0 22px}.ub-modebar{display:flex;gap:8px;overflow-x:auto;padding:2px 0 14px;scrollbar-width:none}.ub-modebar::-webkit-scrollbar{display:none}.ub-modebar button,.ub-hints button{border:1px solid rgba(129,153,199,.22);background:rgba(255,255,255,.62);color:var(--text,#18233b);border-radius:999px;padding:9px 14px;white-space:nowrap;cursor:pointer;font:inherit}.ub-modebar button.active{background:#18233b;color:#fff;border-color:#18233b}.ub-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:16px}.ub-main,.ub-side{border:1px solid rgba(116,143,190,.18);background:rgba(255,255,255,.78);box-shadow:0 18px 48px rgba(35,57,96,.08);backdrop-filter:blur(18px);border-radius:24px}.ub-main{display:flex;flex-direction:column;min-height:430px;overflow:hidden}.ub-intro{display:flex;gap:14px;align-items:center;padding:20px 22px 12px}.ub-intro h2{margin:0 0 4px;font-size:1.12rem}.ub-intro p{margin:0;color:var(--muted,#68758c);font-size:.9rem}.ub-orb{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#dfe9ff 40%,#96b8ff);box-shadow:0 0 28px rgba(74,126,255,.24);font-size:1.3rem}.ub-thread{flex:1;overflow:auto;padding:8px 22px 18px;display:flex;flex-direction:column;gap:12px;max-height:420px}.ub-welcome{align-self:center;margin:auto;color:var(--muted,#68758c);text-align:center;max-width:520px;font-size:.95rem}.ub-message{max-width:min(86%,680px);padding:12px 15px;border-radius:18px;line-height:1.5}.ub-message.user{align-self:flex-end;background:#18233b;color:#fff;border-bottom-right-radius:6px}.ub-message.assistant{align-self:flex-start;background:#f0f4fb;color:#1d2942;border-bottom-left-radius:6px}.ub-message.pending{opacity:.7}.ub-message.error{color:#a32d3c}.ub-receipt{margin-top:10px;padding-top:9px;border-top:1px solid rgba(70,98,140,.14);font-size:.82rem;color:#2f755d}.ub-composer{margin:0 16px 10px;display:flex;align-items:flex-end;gap:8px;border:1px solid rgba(99,128,178,.25);background:#fff;border-radius:20px;padding:8px 8px 8px 15px;box-shadow:0 10px 30px rgba(37,57,91,.08)}.ub-composer textarea{flex:1;border:0;outline:0;resize:none;background:transparent;min-height:28px;max-height:150px;padding:7px 0;font:inherit;line-height:1.45}.ub-composer button{border:0;background:#18233b;color:#fff;width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1.15rem}.ub-hints{display:flex;gap:7px;overflow-x:auto;padding:0 16px 14px;scrollbar-width:none}.ub-hints button{font-size:.78rem;padding:7px 10px;background:transparent}.ub-side{min-height:430px;padding:18px;overflow:auto}.ub-side-title{font-weight:600;margin-bottom:14px}.ub-results{display:flex;flex-direction:column;gap:14px}.ub-result-group h3{display:flex;align-items:center;gap:7px;margin:0 0 8px;font-size:.9rem}.ub-result-group h3 span{margin-left:auto;color:var(--muted,#68758c);font-size:.75rem}.ub-result{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid rgba(100,125,170,.12);background:transparent;padding:10px 4px;cursor:pointer;color:inherit}.ub-result:last-child{border-bottom:0}.ub-result b{display:block;font-size:.84rem;line-height:1.35}.ub-result small{display:block;color:var(--muted,#68758c);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ub-empty{color:var(--muted,#68758c);font-size:.9rem}.brain-head{margin-top:6px}.brain-head h1{font-size:1.05rem}.brain-wrap{min-height:520px}.sidebar [hidden],.bottom-nav [hidden]{display:none!important}.bottom-nav{grid-template-columns:repeat(2,1fr)!important}.sidebar .nav-btn:not([hidden]){display:flex}.fab[hidden]{display:none!important}
@media(max-width:900px){body.modo-cerebro .main{padding:14px 12px 90px}.ub-grid{grid-template-columns:1fr}.ub-main{min-height:400px}.ub-side{min-height:0;max-height:360px}.brain-wrap{min-height:480px}.ub-thread{max-height:360px}.ub-message{max-width:92%}}
@media(max-width:560px){.ub-intro{padding:16px 16px 9px}.ub-intro p{font-size:.82rem}.ub-thread{padding:8px 14px 14px}.ub-side{padding:15px}.ub-main,.ub-side{border-radius:20px}.ub-modebar{margin-right:-12px}.brain-head{align-items:flex-start}.brain-controls{width:100%;overflow-x:auto;flex-wrap:nowrap}.brain-wrap{min-height:420px}}
@media(prefers-reduced-motion:reduce){.ub-orb{box-shadow:none}.ub-main,.ub-side{backdrop-filter:none}}