.vulan-intro{padding-block:65px 45px}.vulan-intro h1{font-size:clamp(48px,6.2vw,92px);line-height:1.04;letter-spacing:-.05em;font-weight:350;margin:25px 0 35px}.vulan-intro>div{display:flex;gap:45px;justify-content:space-between;align-items:end}.vulan-intro p{max-width:660px;font-size:16px;color:#a1b5bf;line-height:1.8;margin:0}.vulan-intro nav{flex-shrink:0;font-size:12px}
.vulan-lab{max-width:1700px;margin:auto;padding:0 clamp(15px,3vw,50px) 35px;background:radial-gradient(ellipse at 35% 20%,#17313f77,transparent 60%),#090f15;border-block:1px solid #88a7b329}.vulan-top{display:flex;justify-content:space-between;gap:20px;padding-block:22px;border-bottom:1px solid #a8c4d01c;font-size:9px;letter-spacing:.12em;color:#7694a4}.vulan-stagebar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:24px 0 0}.vulan-stagebar button{background:linear-gradient(135deg,#1c2b35,#111a24);color:#b3c6d0;border:1px solid #9ab3bd30;border-radius:7px;text-align:left;min-height:63px;padding:12px 20px;font-size:13px;transition:background .2s,border-color .2s}.vulan-stagebar small{font-size:9px;letter-spacing:.1em;color:#7a929f;margin-right:15px}.vulan-stagebar button[aria-pressed=true]{border-color:#ddc49399;background:linear-gradient(135deg,#353a33,#1b2b31);color:#e6d5b3;box-shadow:0 0 35px #ddc49309}.vulan-stagebar button[aria-pressed=true] small{color:#ddc493}
.vulan-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px}.vulan-theatre{min-width:0;position:sticky;top:0;align-self:start}.vulan-frame{height:630px;position:relative;isolation:isolate}.vulan-frame canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;opacity:0;transition:opacity .2s}.vulan-ready:not(.vulan-light) canvas{opacity:1}.vulan-flat{position:absolute;inset:40px 0 180px;display:grid;place-items:center}.vulan-flat svg{width:100%;height:100%}.vulan-ready:not(.vulan-light) .vulan-flat{visibility:hidden;pointer-events:none}.vulan-light canvas{visibility:hidden}.vulan-corner{position:absolute;top:22px;left:20px;font-size:8px;letter-spacing:.15em;color:#7394a6;pointer-events:none}.vulan-detail{position:absolute;left:20px;right:20px;bottom:6px;max-width:660px;border-left:1px solid #ddc49399;padding:5px 20px 8px;pointer-events:none;background:linear-gradient(90deg,#090f15e6,#090f1500)}.vulan-detail .eyebrow{font-size:8px}.vulan-detail h2{font-weight:400;font-size:28px;margin:8px 0 12px;letter-spacing:-.02em;min-height:36px}.vulan-detail p{font-size:12px;color:#9fb4c1;line-height:1.8;min-height:66px;max-width:560px;margin:0}.vulan-camera{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-width:670px;margin:18px auto 0}.vulan-camera button,.vulan-motion button{min-height:43px;border-radius:4px;border:1px solid #8baebb44;color:#b4ced8;background:#15232b;font-size:11px;padding:10px}.vulan-camera button[aria-pressed=true]{color:#e7d7b7;border-color:#ddc493aa}.vulan-spread{display:grid;grid-template-columns:85px 1fr 40px;gap:12px;align-items:center;max-width:650px;margin:20px auto;color:#9fb6c2;font-size:11px}.vulan-spread input{height:26px;accent-color:#ddc493;width:100%;margin:0}.vulan-spread output{color:#ddc493;text-align:right;font-variant-numeric:tabular-nums}.vulan-motion{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:440px;margin:auto}.vulan-motion button{background:transparent;border-color:#8baebb22;min-height:38px;font-size:10px}.vulan-hint{font-size:10px;color:#7393a3;line-height:1.8;max-width:630px;margin:18px auto 0;min-height:40px;text-align:center}
.vulan-console{border-left:1px solid #a3becc22;padding:35px 0 0 26px;min-width:0;margin-top:24px}.vulan-console h2{font-size:29px;font-weight:400;line-height:1.2;letter-spacing:-.025em;margin:17px 0 30px}.vulan-console>label{display:block;color:#a3bbc6;font-size:11px;margin:22px 0}.vulan-console select{display:block;width:100%;height:45px;background:#101e28;border:1px solid #85adbf44;color:#dbe8ee;padding:8px 10px;font:12px inherit;margin-top:8px}.vulan-small{font-size:10px;color:#7f9baa;line-height:1.8;min-height:52px}.vulan-level output{float:right;color:#ddc493;font-variant-numeric:tabular-nums}.vulan-level input{display:block;width:100%;margin:15px 0 0;accent-color:#74dce4;height:26px}.vulan-result{padding:20px 16px;border:1px solid #ddc49355;border-radius:5px;background:linear-gradient(150deg,#26363455,#10212c55);margin:26px 0 18px;min-height:254px}.vulan-result strong{display:block;font-size:16px;font-weight:400;color:#ddc493;min-height:44px}.vulan-result>div{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#d7e8eb;font-variant-numeric:tabular-nums;min-height:32px}.vulan-result p{font-size:11px;line-height:1.8;color:#98b2bf;min-height:105px;margin:8px 0 0}.vulan-console>.text-link{font-size:10px;line-height:1.8;display:inline-block;min-height:35px}.vulan-lab[data-preserved=false] .vulan-result{border-color:#cf996655}.vulan-lab[data-preserved=false] .vulan-result strong{color:#e8ac7e}
.vulan-word{display:grid;grid-template-columns:1fr 1.3fr;gap:55px;align-items:center;margin:35px 0 0;border-top:1px solid #9fbdcc2b;padding:35px 25px 15px}.vulan-word h2{font-size:31px;font-weight:400;margin:15px 0}.vulan-word p{font-size:12px;line-height:1.8;color:#87a4b5;max-width:470px}.vulan-word-grid{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center;font-size:10px;color:#93afbd;min-width:0}.vulan-word-grid>div{display:grid;grid-template-columns:repeat(32,minmax(0,1fr));gap:2px;min-width:0}.vulan-word-grid>div span{display:grid;place-items:center;min-height:30px;background:#16303d;color:#8de0e4;font:11px ui-monospace,Consolas,monospace;border-block:1px solid #5b97ad33}.vulan-word-grid>div span:nth-child(8n){border-right:1px solid #a0c3d977}.vulan-word-grid span.is-empty{opacity:.2}.vulan-word-grid span.is-padding{color:#ddc493;background:#3c352555}.vulan-word-grid p{grid-column:2;font-size:11px;min-height:62px;margin:0}
.vulan-lessons{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.vulan-lessons article{border-top:1px solid #a6c5ce33;padding-top:20px}.vulan-lessons article>span{font-size:9px;color:#8cabb8;letter-spacing:.12em}.vulan-lessons h3{font-size:24px;font-weight:400;margin:18px 0}.vulan-lessons p{font-size:13px;color:#8da6b4;line-height:1.9}.vulan-note{max-width:900px;border-top:1px solid #ffffff22;padding-block:22px;margin:22px 0;font-size:12px;color:#92adbb}.vulan-note summary{cursor:pointer;color:#c9dbe3;min-height:30px}.vulan-note p{line-height:1.9}.vulan-explain .section-head>p{font-size:14px;color:#97afba;line-height:1.9}
[data-vulan] button:disabled{opacity:.4;cursor:default}[data-vulan] button:focus-visible,[data-vulan] select:focus-visible,[data-vulan] input:focus-visible,.vulan-frame canvas:focus-visible{outline:2px solid #ddc493;outline-offset:4px}[data-flat-stage]{cursor:pointer}[data-flat-stage]:focus{outline:none}[data-flat-stage]:focus path{stroke:#fff;stroke-width:4}
@media(max-width:1050px){.vulan-layout{grid-template-columns:minmax(0,1fr) 260px;gap:15px}.vulan-console{padding-left:18px}.vulan-frame{height:580px}.vulan-word{gap:25px;padding-inline:0}.vulan-word-grid>div{gap:1px}}
@media(max-width:760px){.vulan-intro{padding-block:40px 30px}.vulan-intro>div{display:block}.vulan-intro p{font-size:14px}.vulan-intro nav{margin-top:22px}.vulan-top{font-size:7px;letter-spacing:.06em}.vulan-top .eyebrow{font-size:7px;max-width:120px}.vulan-top>span:last-child{text-align:right;max-width:130px}.vulan-stagebar{gap:5px;margin-top:18px}.vulan-stagebar button{font-size:9px;padding:10px 2px;text-align:center;min-height:62px}.vulan-stagebar small{display:block;margin:0 0 7px;font-size:9px}.vulan-layout{display:block}.vulan-theatre{position:relative}.vulan-frame{height:620px}.vulan-corner{left:4px;top:18px;font-size:7px}.vulan-detail{left:0;right:0;bottom:5px;padding:5px 14px}.vulan-detail h2{font-size:25px;min-height:32px}.vulan-detail p{font-size:11px;min-height:100px}.vulan-flat{inset:40px 0 190px}.vulan-camera{gap:5px}.vulan-camera button{font-size:10px;padding:8px 4px;min-height:47px}.vulan-spread{font-size:10px;grid-template-columns:70px 1fr 35px;gap:8px}.vulan-hint{text-align:left;min-height:55px}.vulan-console{margin:25px 0 0;padding:28px 0 0;border-left:0;border-top:1px solid #a3becc33}.vulan-console h2{font-size:32px}.vulan-result{min-height:240px}.vulan-result p{min-height:95px}.vulan-word{display:block;margin-top:28px;padding-top:28px}.vulan-word h2{font-size:27px}.vulan-word-grid{grid-template-columns:1fr;gap:8px;margin-top:22px}.vulan-word-grid p{grid-column:1;min-height:74px}.vulan-word-grid>div span{font-size:9px;min-height:27px}.vulan-lessons{grid-template-columns:1fr;gap:25px}.vulan-explain .section-head{display:block}.vulan-explain .section-head>p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.vulan-frame canvas,.vulan-stagebar button{transition:none}}

@media(max-width:760px){.vulan-frame canvas{height:calc(100% - 185px)}}