:root{--navy:#07132f;--blue:#0758bd;--cyan:#21e7ff;--green:#20ef91;--ink:#f5faff;--muted:#b6c8e6;--glass:rgba(7,22,52,.78)}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:radial-gradient(ellipse at 20% 50%,#103c7b 0%,#091d4c 43%,#050d22 100%)}
.screen{height:100dvh;width:100%;display:grid;grid-template-columns: minmax(0, 49%) minmax(0, 51%);position:relative;isolation:isolate}
.screen:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 48.8%,rgba(35,205,255,.16) 49%,transparent 49.2%);pointer-events:none;z-index:-1}
.robot-side{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;padding:2vh 1vw 2vh 2vw;overflow:hidden}
.robot-side:before{content:"";position:absolute;width:min(76vh,46vw);aspect-ratio:1;border:1px solid rgba(35,218,255,.22);border-radius:50%;box-shadow:0 0 70px #007cff24,inset 0 0 70px #007cff16}
.robot-side:after{content:"";position:absolute;bottom:5.5%;width:min(66%,570px);height:28px;border-radius:50%;background:#08cfff;filter:blur(28px);opacity:.5}
.robot-svg{position:relative;z-index:1;width:min(100%,760px);height:min(96vh,96%);overflow:visible;animation:hoverRobot 4.5s ease-in-out infinite;filter:drop-shadow(0 22px 32px #00102d99);transition:filter .35s,transform .35s}
.robot-svg:hover{filter:drop-shadow(0 0 22px #20dfffaa) drop-shadow(0 22px 34px #00102d);transform:translateY(-9px) scale(1.025)}
@keyframes hoverRobot{0%,100%{translate:0 0}50%{translate:0 -13px}}
.robot-svg.motion-spin{animation:motionSpin 1.15s ease-in-out}
.robot-svg.motion-expand{animation:motionExpand .85s ease-in-out}
.robot-svg.motion-rise{animation:motionRise 1s ease-in-out}
.robot-svg.motion-bounce{animation:motionBounce .95s ease-in-out}
.robot-svg.motion-sway{animation:motionSway 1.1s ease-in-out}
.robot-svg.motion-tilt{animation:motionTilt .9s ease-in-out}
@keyframes motionSpin{0%{transform:rotate(0) scale(1)}45%{transform:rotate(180deg) scale(1.06)}100%{transform:rotate(360deg) scale(1)}}
@keyframes motionExpand{0%,100%{transform:scale(1)}45%{transform:scale(1.16)}}
@keyframes motionRise{0%,100%{transform:translateY(0)}40%{transform:translateY(-48px)}70%{transform:translateY(9px)}}
@keyframes motionBounce{0%,100%{transform:translateY(0) scale(1)}25%{transform:translateY(-42px) scale(1.04)}50%{transform:translateY(0) scale(.96,1.04)}70%{transform:translateY(-18px)}}
@keyframes motionSway{0%,100%{transform:rotate(0)}25%{transform:rotate(-9deg)}75%{transform:rotate(9deg)}}
@keyframes motionTilt{0%,100%{transform:rotate(0) scale(1)}35%{transform:rotate(-12deg) scale(1.04)}70%{transform:rotate(8deg) scale(1.02)}}


.topic-symbol{display:none}
#topicVisual.topic-0,#topicVisual.topic-1,#topicVisual.topic-2,#topicVisual.topic-3,#topicVisual.topic-4{opacity:1}
#topicVisual.topic-0 .symbol-0,#topicVisual.topic-1 .symbol-1,#topicVisual.topic-2 .symbol-2,#topicVisual.topic-3 .symbol-3,#topicVisual.topic-4 .symbol-4{display:block;animation:badgePop .35s ease both}
@keyframes badgePop{from{opacity:0;transform:scale(.65);transform-origin:1035px 245px}to{opacity:1;transform:scale(1);transform-origin:1035px 245px}}
.robot-svg.topic-state-0{filter:drop-shadow(0 0 22px #16cfffcc) drop-shadow(0 22px 32px #00102d99)}
.robot-svg.topic-state-1{filter:drop-shadow(0 0 22px #20ef91aa) drop-shadow(0 22px 32px #00102d99)}
.robot-svg.topic-state-2{filter:drop-shadow(0 0 24px #8d8bffbb) drop-shadow(0 22px 32px #00102d99)}
.robot-svg.topic-state-3{filter:drop-shadow(0 0 24px #ffd45aaa) drop-shadow(0 22px 32px #00102d99)}
.robot-svg.topic-state-4{filter:drop-shadow(0 0 24px #ff9b55aa) drop-shadow(0 22px 32px #00102d99)}
.robot-svg.topic-state-0 image{filter:saturate(1.15) hue-rotate(0deg)}
.robot-svg.topic-state-1 image{filter:saturate(1.25) hue-rotate(8deg)}
.robot-svg.topic-state-2 image{filter:saturate(1.2) hue-rotate(-8deg)}
.robot-svg.topic-state-3 image{filter:saturate(1.2) hue-rotate(18deg)}
.robot-svg.topic-state-4 image{filter:saturate(1.25) hue-rotate(-16deg)}

.robot-svg .smile-accent{opacity:0;transition:opacity .25s}
.robot-svg:hover .smile-accent{opacity:1}
.robot-svg .cheek{opacity:0;transition:opacity .25s}
.robot-svg:hover .cheek{opacity:.8}
.right-side{min-width:0;height:100%;padding:clamp(22px,4vh,48px) clamp(22px,4vw,64px);display:flex;flex-direction:column;justify-content:center;position:relative}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:clamp(20px,4vh,42px)}
.brand-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;color:#03152d;font-size:24px;font-weight:900}
.brand-name{font-weight:900;letter-spacing:1.5px;font-size:14px}.brand-sub{font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:4px}
.kicker{font-size:11px;font-weight:900;letter-spacing:3px;color:var(--green);text-transform:uppercase;margin:0 0 12px}
h1{font-size:clamp(30px,4.2vw,60px);line-height:1.02;letter-spacing:-2px;margin:0 0 14px;max-width:700px}
h1 span{color:var(--cyan);text-shadow:0 0 24px #00dfff55}
.lead{font-size:clamp(13px,1.15vw,16px);line-height:1.6;color:var(--muted);max-width:610px;margin:0 0 clamp(12px,2vh,20px)}
.menu{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:700px}
.topic{min-height:83px;padding:14px 15px;border:1px solid rgba(104,190,255,.24);border-radius:16px;background:linear-gradient(135deg,rgba(16,51,98,.82),rgba(8,25,57,.84));color:var(--ink);display:flex;align-items:center;gap:13px;text-align:left;cursor:pointer;transition:.22s;font:inherit;box-shadow:0 8px 24px #0002}
.topic:last-child{grid-column:1/-1}
.topic:hover,.topic:focus-visible{outline:none;border-color:var(--cyan);background:linear-gradient(135deg,rgba(10,91,151,.88),rgba(8,37,75,.94));transform:translateY(-3px);box-shadow:0 8px 30px #00cfff22}
.num{width:39px;height:39px;flex:none;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#0b9bc8,#1bdfc0);color:#04182c;font-size:14px;font-weight:950}
.topic b{display:block;font-size:clamp(12px,1.05vw,15px);margin-bottom:5px}.topic small{display:block;color:#b7cce7;font-size:11px;line-height:1.35}
.hint{margin-top:clamp(16px,2.5vh,25px);font-size:11px;color:#9fb8d8}.hint strong{color:var(--green)}
.status{position:absolute;top:25px;right:30px;display:flex;align-items:center;gap:8px;font-size:11px;color:#c6d8ef}.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}

.message-bubble{display:none;position:relative;margin:0 0 clamp(14px,2vh,22px);padding:17px 19px 16px;border:1px solid rgba(33,231,255,.48);border-radius:18px 18px 18px 5px;background:linear-gradient(135deg,rgba(12,58,102,.94),rgba(7,31,68,.96));box-shadow:0 10px 28px #00142f77,inset 0 0 22px #16c9ff0c;max-width:700px;animation:bubbleIn .25s ease}
.message-bubble.show{display:block}
.message-bubble:before{content:"";position:absolute;left:-9px;bottom:14px;width:16px;height:16px;background:#0c3a66;border-left:1px solid rgba(33,231,255,.48);border-bottom:1px solid rgba(33,231,255,.48);transform:rotate(45deg)}
.bubble-head{display:flex;align-items:center;gap:8px;color:var(--green);font-size:10px;font-weight:900;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:8px}
.bubble-head:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 9px var(--green)}
.bubble-title{font-size:clamp(15px,1.3vw,19px);font-weight:850;color:#fff;margin:0 0 7px}
.bubble-text{font-size:clamp(12px,1vw,14px);line-height:1.55;color:#d7e8fa;margin:0}
.bubble-controls{display:flex;align-items:center;gap:8px;margin-top:11px}
.bubble-control{border:1px solid #ffffff28;border-radius:9px;padding:7px 11px;background:#17416b;color:#effaff;font-size:11px;font-weight:750;cursor:pointer}
.bubble-control:hover{border-color:var(--cyan);background:#14527d}
.bubble-status{font-size:10px;color:var(--green);min-height:13px}
@keyframes bubbleIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}

.index-audio-controls{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:12px;max-width:700px}
.index-control{border:1px solid rgba(72,210,255,.35);border-radius:10px;padding:9px 12px;background:#0d315b;color:#eafaff;font-size:11px;font-weight:800;cursor:pointer;transition:.2s}
.index-control:hover{border-color:var(--cyan);background:#12517b;transform:translateY(-2px)}
.index-control.stop-welcome{border-color:rgba(255,177,90,.5);color:#ffe0b5}
.index-control.play-audio{background:linear-gradient(135deg,#17cfc8,#27e99a);color:#04213a;border:0}
.local-audio-link{font-size:10px;color:#9edfff;text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){html,body{height:auto;min-height:100%;overflow:auto}.screen{height:auto;min-height:100dvh;grid-template-columns:1fr;grid-template-rows:minmax(280px,42vh) auto}.robot-side{padding:5px 10px 0;min-height:280px}.robot-side:before{width:260px}.robot-svg{height:40vh;width:auto;max-width:95%;}.right-side{padding:20px 22px 28px;justify-content:flex-start}.brand{margin-bottom:20px}.status{top:14px;right:16px}.menu{gap:9px}.topic{min-height:75px;padding:10px}.lead{margin-bottom:18px}}
@media(max-width:420px){.menu{grid-template-columns:1fr}.topic:last-child{grid-column:auto}.robot-side{min-height:260px}.robot-svg{height:34vh}}
@media(min-width:761px) and (max-height:680px){.right-side{padding-top:15px;padding-bottom:15px}.brand{margin-bottom:15px}.lead{margin-bottom:15px}.topic{min-height:68px;padding:10px 12px}.hint{margin-top:12px}.robot-svg{height:94vh}}