@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');
:root{--night:#080e1d;--night2:#101c35;--ink:#ecf3ff;--muted:#a6b9d7;--blue:#47d7f4;--blue2:#6685ff;--purple:#af91ff;--line:rgba(152,188,251,.19);--radius:23px;--panel:rgba(15,27,49,.84);--success:#77e5b1;--error:#ffa8b7}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#070d1b;color:var(--ink);font-family:'DM Sans',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased}body{background:radial-gradient(ellipse at 83% 1%,rgba(45,80,156,.29),transparent 40%),radial-gradient(ellipse at 4% 70%,rgba(94,45,160,.17),transparent 48%),var(--night)}button,input,select,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation}input,textarea,select{color:var(--ink);outline:none}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(71,215,244,.75);outline-offset:2px}a{color:inherit}.boot{min-height:100vh;display:grid;place-content:center;text-align:center;color:var(--muted)}.boot-orb{font-size:64px;color:#6ce3fc;animation:float 3s infinite}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:Outfit,sans-serif;font-weight:800;font-size:24px;letter-spacing:-1.2px}.brand .star{color:var(--blue);font-size:27px}.brand small{display:block;font:600 9px 'DM Sans',sans-serif;letter-spacing:2.2px;color:var(--muted);margin-top:-3px}.brand-mark{color:#65defa}.topbar{height:90px;max-width:1300px;margin:auto;padding:0 38px;display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar-right{display:flex;gap:12px;align-items:center}.tiny-pill{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);padding:11px 14px;border-radius:40px;color:#b7c7e1;font-size:12px;white-space:nowrap;background:rgba(255,255,255,.035)}.signal{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 10px var(--blue)}.btn{border:1px solid transparent;border-radius:14px;padding:13px 19px;color:#09213d;background:linear-gradient(106deg,#65ddf3,#8c9dff);font-weight:800;display:inline-flex;gap:9px;align-items:center;justify-content:center;min-height:48px;box-shadow:0 10px 28px rgba(44,114,220,.13);transition:transform .16s,filter .16s}.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.btn:disabled{opacity:.46;cursor:wait;transform:none}.btn.secondary{background:rgba(176,201,250,.09);color:#edf6ff;border-color:rgba(172,199,249,.22);box-shadow:none}.btn.ghost{background:transparent;color:#a9c4e8;border-color:var(--line);box-shadow:none}.btn.warn{background:rgba(255,176,139,.11);border-color:rgba(255,176,139,.24);color:#ffd5c6}.btn.slim{min-height:37px;padding:8px 13px;border-radius:11px;font-size:12px;box-shadow:none}.btn.icon-only{min-width:43px;padding:8px}.btn svg{width:17px;height:17px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.landing{min-height:100vh}.hero{max-width:1250px;margin:24px auto 50px;padding:0 38px;display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,.94fr);gap:54px;align-items:center}.eyebrow{color:#7edcf6;font-size:12px;letter-spacing:3px;font-weight:800;text-transform:uppercase}.hero h1{font-family:Outfit,sans-serif;font-size:clamp(48px,5.2vw,86px);line-height:1.01;letter-spacing:-4px;font-weight:800;margin:20px 0 25px}.gradient{background:linear-gradient(115deg,#68e7f4,#9693ff 65%,#c8a1ff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:#aec1de;font-size:17px;line-height:1.8;max-width:550px}.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 27px}.preview-image{position:relative;min-height:560px;border:1px solid var(--line);border-radius:32px;overflow:hidden;background:radial-gradient(circle at 65% 55%,#162f57,#070d1a 72%);box-shadow:0 40px 95px rgba(0,0,0,.32)}.preview-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 52%;opacity:.96}.preview-caption{position:absolute;bottom:14px;left:16px;right:16px;background:rgba(7,15,28,.8);backdrop-filter:blur(16px);border:1px solid rgba(192,215,255,.2);border-radius:15px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}.preview-caption strong{font-size:14px}.preview-caption small{display:block;margin-top:4px;color:#9db6d9}.preview-caption span{color:#6ae0fa;font-size:12px;white-space:nowrap}.join-card{margin-top:30px;border:1px solid var(--line);background:rgba(18,33,61,.65);padding:16px;border-radius:20px;max-width:565px}.join-card label{display:block;color:#c8d9f0;font-size:13px;margin-bottom:12px;font-weight:700}.join-controls{display:flex;gap:10px}.field{border:1px solid rgba(164,193,238,.27);background:#101d36;border-radius:13px;padding:13px 15px;min-height:47px;width:100%;transition:border-color .2s}.field:focus{border-color:#65d7ee}.field::placeholder{color:#7086a9}.code-input{letter-spacing:3px;font-weight:800;font-family:Outfit,sans-serif;text-transform:uppercase}.feature-strip{max-width:1250px;margin:0 auto 50px;padding:0 38px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{border:1px solid var(--line);border-radius:20px;padding:22px;background:rgba(16,28,49,.6);min-height:147px}.feature .f-icon{color:var(--blue);font-size:27px}.feature strong{display:block;margin:10px 0 6px;font-family:Outfit,sans-serif;font-size:18px}.feature p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.fine-print{font-size:12px!important;color:#839bbd!important;line-height:1.6!important;max-width:550px}.status-inline{font-size:12px;color:#a3bddc;display:flex;gap:7px;align-items:center;min-height:20px}.status-inline.bad{color:var(--error)}.status-inline.good{color:var(--success)}.page-foot{max-width:1250px;padding:15px 38px 35px;margin:auto;color:#657ea2;font-size:12px}
/* Shared device views */
.device-page{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 80% 30%,rgba(39,75,153,.18),transparent 46%),#071020}.device-head{padding:12px 25px;min-height:67px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid rgba(142,177,235,.13);background:rgba(10,20,39,.7)}.device-head .brand{font-size:21px}.device-head .brand small{font-size:8px}.device-head-right{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}.code-pill{background:rgba(82,217,255,.09);border:1px solid rgba(97,214,255,.33);color:#a7f0fe;border-radius:11px;padding:8px 12px;font:800 14px Outfit,sans-serif;letter-spacing:1.5px}.device-main{width:100%;max-width:1600px;margin:auto;padding:16px 22px;flex:1;min-height:0;display:flex;flex-direction:column}.status-dot{width:7px;height:7px;background:#7de0ac;border-radius:50%;display:inline-block;margin-right:5px}.status-dot.off{background:#ffb1a7}.device-label{font-size:10px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#8baad2}.soft-tag{color:#a6beda;border:1px solid var(--line);background:rgba(111,149,210,.08);border-radius:10px;font-size:12px;padding:7px 10px}.glass-card{background:linear-gradient(140deg,rgba(23,41,73,.9),rgba(12,25,46,.92));border:1px solid rgba(150,191,255,.21);box-shadow:0 12px 40px rgba(0,0,0,.12);border-radius:21px}.panel-title{font-family:Outfit,sans-serif;font-size:22px;letter-spacing:-.5px;line-height:1.1;margin:0}.panel-sub{font-size:12px;color:#a4b9d7;line-height:1.6}.ellipsis{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.toolbar-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.select{min-height:38px;padding:8px 27px 8px 10px;background:#152541;border:1px solid var(--line);border-radius:11px;color:#d8ebff;font-size:12px;max-width:190px}.board-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.93fr);gap:14px;flex:1;min-height:0}.board-left,.board-right{min-width:0;min-height:0;display:flex;flex-direction:column;gap:12px}.lesson-mini{padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.lesson-mini strong{display:block;font-size:14px;margin-top:4px}.summary{padding:20px;flex:1;display:flex;flex-direction:column;gap:12px;min-height:260px}.summary-header{display:flex;align-items:center;gap:10px}.badge-icon{width:39px;height:39px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#306bb9,#623fa5);font-size:22px}.summary blockquote{margin:0;color:#dceaff;font-size:clamp(15px,1.55vw,22px);line-height:1.52;max-height:27vh;overflow:auto;padding-inline:1px}.points{margin:0;padding:0;list-style:none;display:grid;gap:8px}.points li{padding:10px 12px;border-radius:12px;background:rgba(104,142,205,.08);border:1px solid rgba(132,165,218,.1);font-size:13px;line-height:1.4;display:flex;gap:11px;align-items:flex-start;color:#dceafd}.points li span{color:#60deee;font-weight:800}.example{border-radius:11px;padding:10px 12px;background:rgba(72,223,245,.07);color:#9feafb;font-size:13px;line-height:1.5}.ask-box{padding:13px;display:flex;flex-direction:column;gap:9px}.ask-row{display:flex;gap:8px}.ask-row input{flex:1;min-width:0}.ask-hint{color:#8ca9cc;font-size:11px;line-height:1.4}.recording{border-color:rgba(255,125,144,.7)!important;color:#ffbac8!important;animation:pulse 1.2s infinite}.note-header{padding:14px 17px;display:flex;justify-content:space-between;align-items:center;gap:7px}.note-header strong{font-family:Outfit,sans-serif;font-size:19px}.canvas-wrap{position:relative;flex:1;min-height:270px;overflow:hidden;margin:0 10px 10px;border:1px dashed rgba(137,174,237,.28);border-radius:14px;background-color:#0d1b32;background-image:linear-gradient(rgba(75,112,166,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(75,112,166,.12) 1px,transparent 1px);background-size:26px 26px}.notes-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.note-caption{position:absolute;inset:auto 12px 10px auto;pointer-events:none;font-size:10px;color:rgba(166,194,236,.42)}.pen-dots{display:flex;gap:5px}.pen-color{border:2px solid transparent;width:22px;height:22px;border-radius:50%;padding:0}.pen-color.active{border-color:#fff;box-shadow:0 0 0 2px #6c9fe8}.pairing-banner{display:flex;gap:10px;align-items:center;justify-content:space-between;background:rgba(96,135,210,.08);border:1px solid rgba(116,166,247,.14);border-radius:12px;padding:9px 13px;margin-bottom:10px;color:#bacff0;font-size:12px}.pairing-banner strong{color:#91edff}
/* Robot face */
.face-page{min-height:100dvh;background:radial-gradient(ellipse at 50% 46%,#142750 0%,#070e20 62%,#060911 100%);overflow:hidden;display:flex;flex-direction:column}.face-top{display:flex;align-items:center;justify-content:space-between;padding:10px 23px 0;gap:12px;z-index:3}.face-top-left{display:flex;gap:8px;align-items:center}.face-top .brand{font-size:19px}.face-status{display:flex;align-items:center;gap:9px}.face-stage{flex:1;min-height:250px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:10px 8vw 4px}.face-bezel{position:relative;width:min(76vw,970px);height:clamp(180px,49vh,560px);border-radius:clamp(24px,4.2vw,64px);background:radial-gradient(ellipse at 50% 30%,#0d2752 0%,#061022 67%,#030914 100%);border:clamp(6px,1.2vw,16px) solid #18263e;outline:3px solid #3a4c66;box-shadow:inset 0 0 34px rgba(56,156,248,.12),0 0 0 8px #070d17,0 25px 70px #0009;display:flex;align-items:center;justify-content:center}.face-bezel:before{content:'';position:absolute;top:5%;left:10%;right:55%;height:10%;border-radius:50%;background:rgba(194,230,255,.055);transform:rotate(-12deg)}.face-ear{position:absolute;top:32%;height:35%;aspect-ratio:1;border-radius:50%;background:#111d2f;border:8px solid #273b5a;box-shadow:0 0 0 5px #070c16,inset 0 0 0 5px #050a13,0 0 22px #1864e522;z-index:-1}.face-ear:after{content:'';position:absolute;inset:12%;border:6px solid #308cf9;border-radius:50%;box-shadow:0 0 18px #358afe,inset 0 0 18px #358afe}.face-ear.left{left:-7%}.face-ear.right{right:-7%}.robot-face{display:flex;width:75%;height:78%;flex-direction:column;align-items:center;justify-content:center;gap:10%;transform-origin:center;animation:float 4.5s ease-in-out infinite}.eyes-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14%}.eye{position:relative;width:clamp(50px,11vw,150px);height:clamp(64px,16vh,170px);border-radius:48%;border:clamp(8px,1.4vw,19px) solid #5fdbff;box-shadow:0 0 14px #4eb5ff,0 0 42px #2158ff9c,inset 0 0 24px #2a79f5;transform-origin:center;animation:blink 7s infinite}.eye:after{position:absolute;content:'';width:21%;height:21%;border-radius:50%;background:#fff;top:15%;left:25%;box-shadow:0 0 8px #f8ffff}.eye:before{content:'';position:absolute;inset:18%;border-radius:50%;background:#071939;transform:translateX(var(--look,0px));transition:transform .35s}.brow{position:absolute;width:31%;height:12px;background:#38c8ff;border-radius:100% 100% 20% 20%;top:-19%;left:30%;transform:rotate(-3deg);box-shadow:0 0 10px #28bfff}.eye:nth-child(2) .brow{transform:rotate(3deg)}.smile{position:relative;width:clamp(44px,7vw,108px);height:clamp(26px,6vh,78px);border-bottom:clamp(8px,1.25vw,18px) solid #74e9ff;border-radius:0 0 80% 80%;filter:drop-shadow(0 0 10px #1aa8ff);transition:all .15s}.speaking .smile{height:clamp(20px,6vh,67px);border:clamp(7px,1vw,13px) solid #76eaff;border-radius:45% 45% 55% 55%;animation:talk .32s infinite alternate}.speaking .robot-face{animation:none}.cheek{position:absolute;bottom:22%;width:6%;height:8%;border-radius:50%;background:radial-gradient(ellipse,#ff73c8,transparent 75%);filter:blur(5px)}.cheek.left{left:15%}.cheek.right{right:15%}.face-hint{color:#b4c8e7;text-align:center;font-size:13px;line-height:1.5;max-width:790px;padding:4px 16px;max-height:80px;overflow-y:auto}.face-answer{font-family:Outfit,sans-serif;font-weight:600;font-size:clamp(14px,2vw,22px);color:#cfeefe;text-align:center;line-height:1.35;max-width:min(900px,92vw);max-height:75px;overflow:auto}.face-bottom{position:relative;z-index:4;display:flex;justify-content:center;gap:10px;align-items:center;padding:12px 20px 17px;flex-wrap:wrap;background:linear-gradient(0deg,#060b18,transparent)}.face-ask{display:flex;gap:8px;min-width:min(410px,90vw);max-width:600px;flex:1}.face-ask input{min-width:0;flex:1}.face-stage .mode-label{font-weight:800;font-size:11px;letter-spacing:2px;color:#6ce6ff;text-transform:uppercase}.face-top .device-label{color:#91a8ca}.face-stage .subline{color:#789acb;font-size:11px}.preview-ribbon{position:fixed;z-index:20;top:86px;right:15px;border:1px solid #866ff1;border-radius:13px;background:#221a3e;padding:10px 14px;color:#e0d8ff;font-size:12px}
/* Modal and toasts */
.modal-backdrop{position:fixed;inset:0;z-index:50;background:rgba(0,6,17,.76);backdrop-filter:blur(8px);display:grid;place-items:center;padding:16px}.modal{max-width:690px;width:100%;max-height:90dvh;overflow:auto;background:linear-gradient(145deg,#1c3152,#0b1831);border:1px solid rgba(162,209,255,.28);border-radius:24px;padding:26px;box-shadow:0 25px 100px #000c}.modal h2{font:800 29px Outfit,sans-serif;margin:0 0 8px}.modal p{color:#b1c3df;line-height:1.6;font-size:13px}.modal label{display:block;font-size:12px;font-weight:800;color:#cbdcf3;margin:17px 0 7px}.modal textarea{display:block;min-height:170px;resize:vertical;line-height:1.6}.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:9px;margin-top:20px;flex-wrap:wrap}.toast{position:fixed;z-index:100;bottom:20px;left:50%;transform:translateX(-50%);max-width:min(560px,92vw);min-width:220px;pointer-events:none;background:#1a2e4e;border:1px solid #406c98;color:#eaf5ff;padding:13px 18px;border-radius:14px;text-align:center;font-size:13px;box-shadow:0 10px 30px #0008}.toast.bad{border-color:#b76876;background:#412631;color:#ffdce2}.loading-ring{display:inline-block;vertical-align:middle;width:15px;height:15px;border:2px solid rgba(95,225,251,.3);border-top-color:#80e6ff;border-radius:50%;animation:spin .8s linear infinite}.record-dot{width:9px;height:9px;background:#ff899a;border-radius:50%;display:inline-block;animation:pulse 1s infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes blink{0%,43%,47%,100%{transform:scaleY(1)}44.5%{transform:scaleY(.08)}}@keyframes talk{to{transform:scaleY(.55);border-radius:50%}}@keyframes pulse{50%{opacity:.4}}
@media(max-width:930px){.hero{grid-template-columns:1fr;gap:30px;margin-top:20px}.hero h1{max-width:900px}.preview-image{min-height:500px}.board-grid{grid-template-columns:1fr}.canvas-wrap{min-height:290px}.board-right{min-height:400px}.face-bezel{width:min(82vw,920px)}}
@media(max-width:650px){.topbar{height:73px;padding:0 18px}.topbar-right .tiny-pill{display:none}.hero{padding:0 19px;margin:12px auto 28px;gap:25px}.hero h1{font-size:clamp(45px,12vw,65px);letter-spacing:-3px;margin:12px 0 14px}.hero p{font-size:14px}.hero-cta .btn{flex:1}.preview-image{min-height:410px}.feature-strip{grid-template-columns:1fr;padding:0 18px;gap:10px}.feature{min-height:auto;padding:18px}.page-foot{padding:10px 19px 30px}.device-head{padding:9px 12px;gap:7px}.device-head .brand{font-size:18px}.device-head-right .soft-tag{display:none}.device-main{padding:12px}.toolbar .panel-title{font-size:18px}.toolbar-actions{gap:6px}.device-label{font-size:9px}.face-top{padding:9px 12px}.face-top .brand{font-size:17px}.face-bezel{width:81vw;height:33vh;min-height:160px}.face-answer{max-height:90px}.face-bottom{padding:8px 10px 12px}.face-ask{min-width:0;width:100%}.face-bottom>.btn{flex:1}.face-ear{border-width:5px}.face-ear:after{border-width:4px}.face-stage{padding:6px 20px;gap:7px}.preview-ribbon{top:60px}.modal{padding:20px}}
@media(orientation:landscape) and (max-height:550px){.device-head{min-height:44px;padding:5px 12px}.device-head .brand{font-size:17px}.device-head .brand small{display:none}.device-main{padding:8px 12px}.toolbar{margin-bottom:7px}.toolbar .panel-title{font-size:17px}.board-grid{grid-template-columns:1fr 1fr;gap:10px}.board-left,.board-right{gap:7px}.lesson-mini{padding:6px 11px}.lesson-mini .panel-sub{display:none}.summary{padding:11px;min-height:130px;gap:7px}.summary .panel-title{font-size:17px}.badge-icon{width:29px;height:29px;font-size:16px}.summary blockquote{font-size:12px;max-height:52px}.points{gap:4px}.points li{font-size:10.5px;padding:5px 8px}.example{font-size:10px;padding:5px 8px}.ask-box{padding:8px;gap:5px}.ask-box .ask-hint{display:none}.ask-box input,.ask-box button{min-height:34px;padding:5px 9px;font-size:11px}.note-header{padding:7px 10px}.note-header strong{font-size:16px}.canvas-wrap{min-height:95px;margin:0 7px 7px}.board-right{min-height:0}.pairing-banner{padding:5px 9px;font-size:10px;margin-bottom:6px}.face-top{padding:4px 12px}.face-top .brand small{display:none}.face-top .btn{min-height:31px;padding:5px 9px}.face-stage{min-height:140px;gap:4px;padding:0 14px}.face-bezel{height:39vh;width:min(59vw,650px);border-width:5px}.eyes-row{width:85%}.eye{width:clamp(40px,7vw,90px);height:clamp(48px,12vh,96px);border-width:8px}.smile{height:18px;border-bottom-width:8px}.face-answer{font-size:13px;max-height:37px}.face-hint{font-size:10px;max-height:25px}.face-bottom{padding:5px 12px}.face-bottom .btn,.face-bottom .field{min-height:34px;padding:6px 8px;font-size:10px}.face-ask{min-width:min(250px,45vw);max-width:500px;flex:0 1 auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}