:root{color-scheme:light;--bg:#eef3fb;--panel:#ffffff;--text:#0d1d36;--muted:#45597a;--border:#c7d4e8;--accent:#0b3373;--soft:#dce8fa;--purple:#1d3966;--shadow:0 22px 80px #132b5230;--complete:#0a2f6b;--warning:#735200;--overlay:#020a18cc;--hero:#030b18;--hero-text:#eef5ff;--recording:#b91c1c;--recording-ink:#ffffff;--recording-halo:#fca5a5;--recording-status:#b91c1c}
@media(prefers-color-scheme:dark){:root:not([data-tema="claro"]){color-scheme:dark;--bg:#050c16;--panel:#0c1626;--text:#eaf2ff;--muted:#9fb0cc;--border:#22324d;--accent:#5c9aff;--soft:#0f2447;--purple:#a9caff;--shadow:0 22px 80px #0008;--complete:#5c9aff;--warning:#f5d482;--recording-status:#ff8d8d}}
:root[data-tema="oscuro"]{color-scheme:dark;--bg:#050c16;--panel:#0c1626;--text:#eaf2ff;--muted:#9fb0cc;--border:#22324d;--accent:#5c9aff;--soft:#0f2447;--purple:#a9caff;--shadow:0 22px 80px #0008;--complete:#5c9aff;--warning:#f5d482;--recording-status:#ff8d8d}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:1rem;line-height:1.6}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{min-height:44px}a{min-height:40px}svg{display:block}button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}
.topbar{max-width:1240px;margin:auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-size:1.2rem;font-weight:650;letter-spacing:-.03em}.brand small{display:block;font-size:.75rem;letter-spacing:.15em;color:var(--muted);font-weight:500;line-height:1.3}.tools{display:flex;gap:6px}.icon-button{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--border);background:transparent;border-radius:50%;font-size:1.7rem;line-height:1}.icon-button[aria-pressed="true"]{background:var(--soft);color:var(--accent);border-color:var(--accent)}main{max-width:1240px;margin:auto;padding:24px 16px 0}.intro{max-width:720px;margin:0 auto}.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.13em;color:var(--muted)}.intro .eyebrow{display:flex;gap:8px;align-items:center;margin:0 0 14px}.signal-dot{height:6px;width:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}h1{font-size:clamp(1.9rem,6vw,3.4rem);line-height:1.15;letter-spacing:-.045em;font-weight:600;margin:0 0 16px}h1 span{color:var(--accent)}.subtitle{color:var(--muted);font-size:.9rem;line-height:1.6;margin:0 0 22px}.progress-line{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;gap:8px}.progress-line strong{font-weight:500}.progress-line>span{color:var(--accent);font-variant-numeric:tabular-nums}.progress-track{height:3px;background:var(--border);margin:9px 0 20px;border-radius:4px;overflow:hidden}.progress-track>span{display:block;background:var(--accent);height:100%;width:0;transition:width .7s ease}.tabs{display:flex;gap:24px;margin:0 0 20px;border-bottom:1px solid var(--border)}.tabs button{background:none;border:0;padding:6px 0 12px;color:var(--muted);font-size:.85rem;position:relative}.tabs button[aria-selected="true"]{color:var(--text)}.tabs button[aria-selected="true"]:after{content:"";position:absolute;bottom:-1px;left:0;right:0;background:var(--accent);height:2px}
.workspace{max-width:720px;margin:auto}.scene{position:relative;width:100%;aspect-ratio:720/1100;isolation:isolate;border-radius:20px;overflow:hidden;background:var(--hero);border:1px solid #2b4164;box-shadow:0 0 60px #1660d612;color:var(--hero-text)}.scene-background{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;pointer-events:none;opacity:.72}.scene:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;background:linear-gradient(180deg,#020c1b33,#030e2000 45%,#000a1944)}.connections{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.connections path{fill:none;stroke-linecap:round;stroke-linejoin:round}.connections #wire-halo{stroke:#94bdff;stroke-width:7;opacity:.42}.connections #wire{stroke:#97b8ec;stroke-width:1.6;opacity:.65}.connections #completed-wire{stroke:#71a7ff;stroke-width:2.8;filter:drop-shadow(0 0 4px #3884ff)}
.node{position:absolute;transform:translate(-50%,-50%);display:grid;place-items:center;width:clamp(44px,8.1vw,62px);height:clamp(44px,8.1vw,62px);min-height:44px;border-radius:50%;background:radial-gradient(circle at 32% 23%,#49566b 0%,#141c29 42%,#050c17 70%);border:1px solid #a5c7ff;color:#eaf2ff;box-shadow:inset 0 0 13px #99bbf142,0 0 13px #6b9ff344;z-index:3;font-variant-numeric:tabular-nums;font-size:clamp(.8rem,2.8vw,1rem);font-weight:600;transition:box-shadow .3s,background .3s}.node:after{content:"";position:absolute;left:-16%;top:59%;width:132%;height:32%;border:1.2px solid #bed4f8;border-radius:50%;pointer-events:none;box-shadow:0 0 7px #739fe775;transform:rotate(-9deg)}.node.complete{border-color:#abcbff;background:radial-gradient(circle at 35% 28%,#bdd6ff 0%,#2d73e4 12%,#0c306b 37%,#031e49 60%,#041023 88%);color:#eff5ff;text-shadow:0 1px 5px #021431;box-shadow:inset 0 0 14px #3582ffaa,0 0 12px #488effaa,0 0 28px #135ed666}.node.complete:after{border-color:#b3d0ff;box-shadow:0 0 8px #7baeff,0 0 19px #1360dbaa}.node.current{border-color:#dfebff;box-shadow:0 0 4px #c8ddff,0 0 25px #87adeb88}.node.current:before{content:"";position:absolute;inset:-7px;border:1px dashed #a5c7ff;border-radius:50%;animation:orbit 40s linear infinite}.node:hover,.node:active{box-shadow:0 0 22px #d9e8ffcc}.node-label{position:absolute;font-size:.75rem;color:#d9e3f3;line-height:1.3;max-width:40%;text-shadow:0 1px 6px #000;pointer-events:none;letter-spacing:.02em}.node-label small{display:block;color:#93b0df;font-size:.75rem;letter-spacing:.09em}.brain-hotspot{position:absolute;left:50%;top:31%;width:32%;height:18%;transform:translate(-50%,-50%);border:0;background:transparent;border-radius:45%;display:grid;place-items:center;z-index:2}.brain-cross{height:44px;width:44px;display:grid;place-items:center;font-size:1.8rem;border:1px solid #ecf3ff99;border-radius:50%;background:#05112444;color:white;box-shadow:0 0 20px #d2e3ff77;backdrop-filter:blur(2px)}.brain-caption{position:absolute;top:100%;font-size:.75rem;letter-spacing:.13em;white-space:nowrap;border:1px solid #adc7f177;padding:3px 8px;border-radius:12px;background:#08112099;color:#e7f0ff}.scene-tag,.scene-tip{position:absolute;left:18px;right:18px;text-align:center;font-size:.75rem;letter-spacing:.13em;pointer-events:none;color:#dde8fa;text-shadow:0 0 8px #000}.scene-tag{top:16px}.scene-tip{bottom:12px;letter-spacing:.02em}.legend{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px;font-size:.75rem;color:var(--muted);padding:18px 0 10px}.legend>span{display:flex;align-items:center;gap:6px}.legend-dot{height:7px;width:7px;border-radius:50%;background:var(--purple)}.legend-dot.complete{background:var(--complete)}.legend-dot.current{background:var(--purple);box-shadow:0 0 0 3px var(--border)}.legend-dot.pending{background:transparent;border:1px solid var(--muted)}
.roadmap-heading h2{margin:3px 0;font-size:1.4rem;letter-spacing:-.03em}.roadmap-heading p{margin:0 0 20px;color:var(--muted);font-size:.85rem}.roadmap{display:grid;gap:8px}.step-card{display:flex;gap:14px;text-align:left;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:13px;padding:13px 15px;min-height:78px;width:100%}.step-card .number{flex:0 0 36px;height:36px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;font-size:.85rem;color:var(--muted)}.step-card.complete .number{color:var(--accent);border-color:var(--accent);background:var(--soft)}.step-card.current{border-color:var(--purple)}.step-card>span:nth-child(2){flex:1}.step-card strong{display:block;font-size:.85rem;font-weight:500;line-height:1.45}.step-card small{display:block;color:var(--muted);font-size:.75rem;line-height:1.4;margin-top:4px}.step-card>.arrow{color:var(--muted)}.lab-note{max-width:720px;margin:20px auto 0;border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:space-between;padding:16px;gap:12px;background:var(--panel)}.lab-note p{margin:5px 0 8px;font-size:.9rem;line-height:1.5}.lab-note .icon-button{flex-shrink:0}.state-tag{display:inline-block;font-size:.75rem;font-weight:500;border:1px solid var(--border);padding:3px 9px;border-radius:20px;color:var(--muted)}.state-tag.complete{color:var(--accent);background:var(--soft);border-color:var(--accent)}.state-tag.current{color:var(--purple);border-color:var(--purple)}.sync-status{max-width:720px;margin:12px auto;font-size:.75rem;color:var(--muted)}.sync-status.stale{color:var(--warning)}footer{margin:28px auto;padding:22px 0;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:.75rem;line-height:1.9}footer span{padding:0 4px}
dialog{color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:22px;max-width:560px;width:calc(100% - 24px);max-height:86dvh;box-shadow:var(--shadow);overflow:auto}dialog::backdrop{background:var(--overlay);backdrop-filter:blur(8px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px}.dialog-top .icon-button{border:0;margin-right:-9px;margin-top:-9px}.dialog-top .eyebrow{color:var(--accent)}dialog h2{font-size:1.55rem;font-weight:600;letter-spacing:-.025em;line-height:1.3;margin:12px 0 16px}.primary-button{background:var(--accent);color:var(--bg);border:0;border-radius:10px;padding:10px 18px;width:100%;min-height:46px;font-size:.9rem;font-weight:600}.settings-note{color:var(--muted);font-size:.8rem;line-height:1.6;margin:8px 0 14px}fieldset{border:0;border-top:1px solid var(--border);padding:12px 0 20px;margin:0}legend{font-size:.9rem;font-weight:600;padding:0 8px 0 0}select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:9px;padding:10px;width:100%;min-height:44px;font-size:.9rem}.switch-row{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;font-size:.9rem}.switch-row input{appearance:none;width:42px;height:26px;flex-shrink:0;background:var(--border);border:1px solid var(--muted);border-radius:20px;margin:0;position:relative;cursor:pointer}.switch-row input:before{content:"";position:absolute;width:18px;height:18px;background:var(--text);border-radius:50%;left:3px;top:3px;transition:transform .15s}.switch-row input:checked{background:var(--accent);border-color:var(--accent)}.switch-row input:checked:before{transform:translateX(16px);background:var(--bg)}.field-label{display:block;font-size:.85rem;margin:12px 0 8px}.range-label{display:flex;justify-content:space-between;font-size:.85rem;margin-top:14px}.range-label output{color:var(--accent)}input[type="range"]{width:100%;height:44px;margin:0;accent-color:var(--accent);cursor:pointer}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:20;max-width:calc(100% - 32px);padding:12px 20px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:var(--shadow);font-size:.85rem}.locked-scroll{overflow:hidden}.loading .node{visibility:hidden}
@keyframes orbit{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
.has-narration{padding-bottom:calc(94px + env(safe-area-inset-bottom,0px))}
main{padding-top:max(8px,env(safe-area-inset-top,0px))}
main>.topbar{padding:16px 0;margin:10px auto 22px;max-width:720px;border-top:1px solid var(--border);border-bottom:0}
.scene{aspect-ratio:auto}.scene-visual{position:relative;aspect-ratio:720/1100;isolation:isolate}
.scene-title{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:16px 10px 17px;background:linear-gradient(180deg,#07101e,#0b182c);color:var(--hero-text);pointer-events:none;text-align:center}
.scene-title strong{font-size:clamp(1rem,4.7vw,1.75rem);font-weight:750;letter-spacing:.035em;line-height:1.2;white-space:nowrap;text-shadow:0 0 7px #c1d9ff66,0 0 18px #407bda33}
.scene-title>span{font-size:clamp(.75rem,3.1vw,1rem);line-height:1.4;letter-spacing:.015em;color:#dee8f8}
.scene-title>svg{position:absolute;bottom:4px;left:4%;width:92%;height:9px;fill:none;stroke:#8cb0e9;stroke-width:1.3;filter:drop-shadow(0 0 3px #5e97f377)}
@media(min-width:760px){.scene-title strong{font-size:clamp(1rem,2.5vw,1.75rem)}}
.narrator{position:fixed;bottom:calc(10px + env(safe-area-inset-bottom,0px) + var(--keyboard-inset,0px));left:12px;right:12px;z-index:10;max-width:820px;margin:0 auto;display:block;border:1px solid var(--border);border-radius:15px;padding:10px 12px;background:var(--panel);box-shadow:var(--shadow);min-height:72px}
.narration-copy{flex:1;min-width:0}.narration-copy p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.narration-copy #narration-title{color:var(--accent);font-size:.75rem;letter-spacing:.025em;font-weight:600;line-height:1.6}.narration-copy #caption-text{font-size:.85rem;line-height:1.8;color:var(--text);min-height:1.8em}.narrator .icon-button{flex:0 0 44px;font-size:1rem}.narrator #narration-close{font-size:1.6rem}.narrator[data-phase="speaking"]{border-color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.node.selected{outline:2px solid #f4f8ff;outline-offset:5px;filter:brightness(1.15);z-index:4}
.speech-halo{position:absolute;inset:-11px;border:1px solid #e6f0ff;border-radius:50%;box-shadow:0 0 13px #afceff77;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s,box-shadow .15s}
.node.selected .speech-halo{opacity:.48}.node.speaking .speech-halo{opacity:calc(.32 + var(--voice-level,0)*.68);transform:scale(calc(1 + var(--voice-level,0)*.17));box-shadow:0 0 calc(12px + var(--voice-level,0)*26px) #c3daff,0 0 calc(20px + var(--voice-level,0)*34px) #6196eb99}
.node.speaking{filter:brightness(calc(1.15 + var(--voice-level,0)*.55))}
.brain-hotspot.selected .brain-cross{border:2px solid #f6f9ff;outline:1px solid #c5dbff;outline-offset:5px;box-shadow:0 0 26px #bbd5ff}
.brain-hotspot.speaking .brain-cross{box-shadow:0 0 calc(18px + var(--voice-level,0)*28px) #dce9ff,0 0 calc(34px + var(--voice-level,0)*44px) #96beffbb;filter:brightness(calc(1 + var(--voice-level,0)*.9));transition:filter .15s,box-shadow .15s}
.step-card.selected{border-color:var(--accent);box-shadow:inset 3px 0 var(--accent)}
@media(prefers-reduced-motion:reduce){.node.speaking .speech-halo{transform:none;opacity:.8;box-shadow:0 0 22px #c3daff}.node.speaking,.brain-hotspot.speaking .brain-cross{filter:none}}
@media(min-width:760px){#network-panel[hidden]{display:block!important}}
@media(min-width:760px){main>.topbar{max-width:none;margin-top:18px}}
@media(min-width:760px){main{padding:16px 32px 0}.topbar{padding:20px 32px}.intro{max-width:none;margin-bottom:28px}.intro h1 br{display:none}.intro h1 span{margin-left:.15em}.subtitle br{display:none}.progress-line,.progress-track{max-width:600px}.tabs{display:none}.workspace{max-width:none;display:grid;grid-template-columns:minmax(330px,1.05fr) minmax(330px,.95fr);gap:32px;align-items:start}.roadmap-panel[hidden]{display:block!important}.scene{max-width:600px}.roadmap{grid-template-columns:repeat(auto-fill,minmax(330px,1fr));max-height:850px;overflow:auto;padding-right:5px}.lab-note,.sync-status{max-width:none}.node{width:56px;height:56px}.node-label{font-size:.85rem}.scene-tag{top:22px}.scene-tip{bottom:20px}}

.narration-playback{display:flex;align-items:center;gap:7px;min-height:50px}
.chat-area{border-top:1px solid var(--border);margin-top:8px;padding-top:8px}
.chat-title{color:var(--accent);font-weight:650;font-size:.85rem;line-height:1.5;margin:0 0 6px}
.chat-form{display:flex;align-items:center;gap:8px}
.chat-form input{flex:1;width:0;min-width:0;min-height:44px;border:1px solid var(--border);border-radius:10px;padding:8px 10px;background:var(--bg);color:var(--text);font-size:1rem}
.chat-form input::placeholder{color:var(--muted);opacity:1}
.chat-form .icon-button{color:var(--accent);border-color:var(--accent);background:var(--soft)}
.chat-form :disabled{opacity:.55;cursor:wait}
.chat-thinking{display:flex;align-items:center;gap:9px;font-size:.8rem;color:var(--muted);margin-top:6px}
.thinking-orbs{display:flex;gap:5px;align-items:center;flex-shrink:0}
.thinking-orbs i{display:block;width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 7px var(--accent);animation:thinking 1.2s ease-in-out infinite}
.thinking-orbs i:nth-child(2){animation-delay:.15s}.thinking-orbs i:nth-child(3){animation-delay:.3s}
#chat-cancel{border:0;background:transparent;color:var(--accent);font-size:.8rem;padding:0 8px;min-height:40px}
#chat-cancel{margin-left:auto}
#chat-error{color:var(--warning);font-size:.8rem;margin:6px 0 0;line-height:1.4}#chat-error:empty{display:none}
@keyframes thinking{0%,80%,100%{opacity:.45;transform:scale(.85)}40%{opacity:1;transform:scale(1.2)}}
@media(prefers-reduced-motion:reduce){.thinking-orbs i{animation:none;opacity:.8}}

.usage-panel{margin:26px auto 0;border-top:1px solid var(--border);padding-top:20px}.usage-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.usage-heading h2{font-size:1.4rem;margin:3px 0 16px;line-height:1.3}.usage-heading .icon-button{flex-shrink:0}.usage-windows{display:grid;gap:10px}.usage-windows>div{padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}.usage-windows p{margin:0 0 6px;font-size:.85rem;display:flex;justify-content:space-between;gap:8px}.usage-windows strong{color:var(--accent);white-space:nowrap}.usage-windows progress{display:block;width:100%;height:7px;accent-color:var(--accent);border:0;border-radius:4px;overflow:hidden}.usage-windows progress::-webkit-progress-bar{background:var(--border)}.usage-windows progress::-webkit-progress-value{background:var(--accent)}.usage-windows small{font-size:.75rem;color:var(--muted)}.usage-status,.usage-note{font-size:.8rem;color:var(--muted);line-height:1.5}.usage-list{display:grid;gap:12px}.usage-card{min-width:0;border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:14px}.usage-meta{font-size:.75rem;color:var(--muted);line-height:1.5;margin:0 0 8px}.usage-question{font-size:.9rem;line-height:1.5;margin:8px 0 12px;overflow-wrap:anywhere}.usage-counts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 12px}.usage-counts dt{font-size:.75rem;color:var(--muted)}.usage-counts dd{font-size:.95rem;font-variant-numeric:tabular-nums;margin:0;color:var(--accent)}.usage-quota{font-size:.75rem;line-height:1.5;margin:6px 0;color:var(--text)}.usage-card details{font-size:.75rem;color:var(--muted);overflow-wrap:anywhere}.usage-card summary{cursor:pointer;min-height:40px;padding-top:10px}.usage-card details p{margin:0}.usage-pagination{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;font-size:.8rem}.usage-pagination button{border:1px solid var(--border);border-radius:9px;padding:7px 12px;background:var(--panel);color:var(--accent)}.usage-pagination button:disabled{opacity:.45;cursor:default}
@media(min-width:700px){.usage-windows{grid-template-columns:repeat(2,minmax(0,1fr))}.usage-list{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}}

#screen-toggle[aria-pressed="true"]:not([data-state="active"]){color:var(--warning);border-color:var(--warning);background:transparent}

.chat-form .icon-button{flex:0 0 44px}
.mic-status{font-size:.75rem;color:var(--muted);line-height:1.4;margin:6px 0 0}
.mic-status[data-busy="true"]{color:var(--recording-status)}
#chat-mic[aria-pressed="true"]{color:var(--recording-ink);background:var(--recording);border-color:var(--recording);border-width:2px;box-shadow:0 0 0 3px var(--recording-halo)}

/* Short names alongside the numbered spheres keep all 17 steps legible. */
.scene-visual{--sphere-size:clamp(44px,8.1vw,62px)}
.node-label-ring{width:max-content;max-width:none;white-space:nowrap;line-height:1.3;background:var(--hero);border-radius:5px;padding:1px 2px;z-index:2;letter-spacing:0}
.node-label small{display:none}
.node-label-ring[data-side="right"]{left:calc(var(--node-x) + var(--sphere-size)/2 + 6px);top:var(--node-y);transform:translateY(-50%)}
.node-label-ring[data-side="left"]{right:calc(100% - var(--node-x) + var(--sphere-size)/2 + 6px);top:var(--node-y);transform:translateY(-50%)}
.node-label-ring[data-side="above"]{left:var(--node-x);top:calc(var(--node-y) - var(--sphere-size)/2 - 6px);transform:translate(-50%,-100%)}
.node-label-ring[data-side="below"]{left:var(--node-x);top:calc(var(--node-y) + var(--sphere-size)/2 + 6px);transform:translateX(-50%)}
.brain-caption{top:9.0909%;transform:translateY(-50%);line-height:1.3}

.node{width:var(--sphere-size);height:var(--sphere-size)}
@media(min-width:760px){.scene-visual{--sphere-size:clamp(44px,8.1cqw,56px)}.scene{container-type:inline-size}}

body:has(.narrator.chat-ready){padding-bottom:calc(170px + env(safe-area-inset-bottom,0px))}
body:has(.narrator.chat-ready #mic-status:not([hidden])),body:has(.narrator.chat-ready #chat-thinking:not([hidden])),body:has(.narrator.chat-ready #chat-error:not(:empty)){padding-bottom:calc(220px + env(safe-area-inset-bottom,0px))}

/* A nonmodal card leaves the brain and the existing voice controls usable. */
.chat-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-title-row .chat-title{margin-bottom:6px;min-width:0}
.scheme-reopen{flex-shrink:0;border:0;background:transparent;color:var(--accent);font-size:.75rem;padding:0 5px;min-height:40px}
.scheme-panel{position:fixed;z-index:12;display:flex;flex-direction:column;width:calc(100% - 32px);max-width:340px;max-height:44vh;max-height:44svh;left:16px;top:max(16px,env(safe-area-inset-top,0px));border:1px solid var(--accent);border-radius:16px;background:var(--panel);color:var(--text);box-shadow:var(--shadow);overflow:hidden;isolation:isolate}
.scheme-panel{--scheme-safe-top:env(safe-area-inset-top,0px);--scheme-safe-left:env(safe-area-inset-left,0px);--scheme-safe-right:env(safe-area-inset-right,0px)}
.scheme-top{display:flex;align-items:center;gap:4px;flex-shrink:0;padding:4px 6px;border-bottom:1px solid var(--border)}
.scheme-handle{display:flex;align-items:center;gap:6px;flex:1;min-width:0;border:0;background:transparent;text-align:left;color:var(--text);padding:3px 4px;font-size:.85rem;line-height:1.35;font-weight:650;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.scheme-handle:active{cursor:grabbing}.scheme-handle>span:first-child{color:var(--muted);font-size:1.2rem}.scheme-handle>span:last-child{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.scheme-top .icon-button{flex:0 0 44px;border:0;font-size:1.6rem}
.scheme-body{flex:1;min-height:0;margin:0;padding:12px;list-style:none;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}
.scheme-block{position:relative;display:flex;gap:9px;border:1px solid var(--border);border-radius:11px;padding:11px;background:var(--bg);overflow-wrap:anywhere}
.scheme-block:not(:last-child){margin-bottom:25px}.scheme-block:not(:last-child)::after{content:'↓';position:absolute;top:100%;left:50%;height:25px;line-height:25px;font-size:1.1rem;color:var(--muted)}
.scheme-number{display:grid;place-items:center;flex:0 0 25px;height:25px;border:1px solid var(--border);border-radius:50%;color:var(--muted);font-size:.75rem;line-height:1}
.scheme-block h3{font-size:.9rem;line-height:1.35;font-weight:650;margin:0 0 4px}.scheme-block p{font-size:.8rem;line-height:1.5;margin:0;color:var(--muted)}
.scheme-block[aria-current="step"]{border-color:var(--accent);background:var(--soft);box-shadow:inset 3px 0 var(--accent)}.scheme-block[aria-current="step"] .scheme-number{border-color:var(--accent);color:var(--accent)}
.scheme-footer{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:3px 12px;border-top:1px solid var(--border);flex-shrink:0;background:var(--panel)}
.scheme-footer button{border:0;background:transparent;color:var(--accent);padding:0 4px;min-height:40px;font-size:.75rem;text-align:left}.scheme-footer button[aria-pressed="false"]{text-decoration:underline}.scheme-footer>span{font-size:.75rem;color:var(--muted);white-space:nowrap}
.scheme-compact .scheme-body,.scheme-compact .scheme-footer{display:none}

/* Questions remain available before selecting or listening to a step. */
.narrator.questions-only .narration-playback{display:none}
.narrator.questions-only .chat-area{border-top:0;margin-top:0;padding-top:0}

/* Each completed block becomes a full-width touch target for a deeper scheme. */
.scheme-block{padding:0}
.scheme-block-action{display:flex;gap:9px;align-items:flex-start;width:100%;min-height:44px;padding:11px;border:0;border-radius:inherit;background:transparent;color:inherit;text-align:left;touch-action:pan-y}
.scheme-block-action>span:last-child{min-width:0;flex:1}
.scheme-block-title{display:block;font-size:.9rem;line-height:1.35;font-weight:650;margin-bottom:4px}
.scheme-block-detail{display:block;font-size:.8rem;line-height:1.5;color:var(--muted)}
.scheme-block-action:disabled{cursor:default}
.scheme-block-action:enabled .scheme-block-title{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.scheme-block-action:focus-visible{outline-offset:-4px}
.scheme-hint{margin:0;padding:6px 12px;font-size:.75rem;line-height:1.4;color:var(--accent);border-top:1px solid var(--border)}
.scheme-compact .scheme-hint{display:none}

/* MiniDiv: el túnel azul de Edgar. Una esfera por fase alrededor del destello. */
.scene{border-color:#1f4480;box-shadow:0 0 60px #2a7cff1f}
.scene-background{opacity:.9}
.scene:after{background:linear-gradient(180deg,#020a1640,#02081200 40%,#01060f55)}
.scene-title{background:linear-gradient(180deg,#031024,#061b3d)}
.scene-title strong{text-shadow:0 0 7px #bfd8ff66,0 0 18px #3a86ff44}
.scene-title>span{color:#d7e6ff}
.scene-title>svg{stroke:#7caeff;filter:drop-shadow(0 0 3px #4b90ff88)}
.connections #wire-halo{stroke:#4f92ff;opacity:.35}
.connections #wire{stroke:#8fbaff;opacity:.6}
.connections #completed-wire{stroke:#7fb0ff;filter:drop-shadow(0 0 4px #3985ff)}
.node{background:radial-gradient(circle at 32% 23%,#3b5886 0%,#0e1c33 42%,#040b17 70%);border-color:#8fbaff;color:#eef5ff;box-shadow:inset 0 0 13px #6fa6ff42,0 0 13px #3f89ff44;font-size:clamp(.75rem,2.6vw,.95rem)}
.node:after{border-color:#a8c9ff;box-shadow:0 0 7px #5a99ff75}
.node.complete{border-color:#bfd8ff;background:radial-gradient(circle at 35% 28%,#e3eeff 0%,#5f9cff 12%,#0b47a8 37%,#06285e 60%,#03122a 88%);color:#ffffff;text-shadow:0 1px 5px #021533;box-shadow:inset 0 0 14px #5c9affaa,0 0 12px #4d91ffaa,0 0 28px #1f75ff66}
.node.complete:after{border-color:#c4dbff;box-shadow:0 0 8px #8ab7ff,0 0 19px #1f75ffaa}
.node.current{border-color:#e2edff;box-shadow:0 0 4px #cfe1ff,0 0 25px #5a99ff88}
.node.current:before{border-color:#8fbaff}
.node:hover,.node:active{box-shadow:0 0 22px #d9e8ffcc}
.node-label{color:#e1ecff}.node-label-ring{background:#030b18d9}
.speech-halo{border-color:#e6f0ff;box-shadow:0 0 13px #aecdff77}
.node.speaking .speech-halo{box-shadow:0 0 calc(12px + var(--voice-level,0)*26px) #c9deff,0 0 calc(20px + var(--voice-level,0)*34px) #4d91ff99}
.node.selected{outline-color:#f2f7ff}
.brain-hotspot{left:73.6%;top:64.4%;width:26%;height:14%}
.brain-cross{border-color:#e9f1ffaa;background:#020f2444;box-shadow:0 0 22px #bfd8ff88}
.brain-caption{top:auto;bottom:calc(50% + 30px);transform:none;border-color:#9fc4ff77;background:#020c1ccc;color:#eaf2ff}
.brain-hotspot.rotulo-abajo .brain-caption{top:calc(50% + 30px);bottom:auto}
.brain-hotspot.selected .brain-cross{border-color:#ffffff;outline-color:#bfd8ff;box-shadow:0 0 26px #bfd8ff}
.brain-hotspot.speaking .brain-cross{box-shadow:0 0 calc(18px + var(--voice-level,0)*28px) #e2edff,0 0 calc(34px + var(--voice-level,0)*44px) #5999ffbb}
.try-panel{max-width:720px;margin:16px auto 0;border:1px solid var(--accent);border-radius:14px;padding:16px;background:var(--soft);display:grid;gap:12px}
.try-panel p{margin:5px 0 0;font-size:.9rem;line-height:1.5}
.try-link{display:flex;align-items:center;justify-content:center;text-decoration:none;min-height:46px}
@media(min-width:760px){.try-panel{grid-template-columns:1fr auto;align-items:center}.try-link{width:auto;padding:10px 22px}}

/* MiniDiv: la boca del remolino está abajo a la derecha; el rótulo del propósito va a la izquierda del «+»,
   en la franja libre entre F2 y F1, para no chocar con F5 ni con F6. */
.brain-caption{top:50%;right:calc(50% + 30px);left:auto;transform:translateY(-50%)}