:root{--bg: #0b0a10;--ink: #efe9dc;--muted: #a39d94;--gold: #e6b65a;--gold-dim: rgba(230, 182, 90, .35);--cool: #7fb7ff;--card: rgba(11, 10, 16, .62);--line: rgba(239, 233, 220, .14)}:root[data-theme=light]{--bg: #0b0a10}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink)}body{font:16px/1.5 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}.app{position:relative;height:100dvh;width:100%;overflow:hidden}.stage{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg)}.stage-img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease;filter:saturate(.9)}.stage-img.show{opacity:1}.stage-rays{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.stage-veil{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at 50% 60%,#0b0a1000 30%,#0b0a10b8);transition:background 1.5s ease}.app[data-screen=intro] .stage-veil,.app[data-screen=clap] .stage-veil,.app[data-screen=note] .stage-veil{background:#0b0a108c}.app.vacuum .stage-img{filter:saturate(.4) brightness(.45)}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:none;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:24px 16px;gap:12px}.app[data-screen=intro] .screen[data-for=intro],.app[data-screen=clap] .screen[data-for=clap],.app[data-screen=note] .screen[data-for=note],.app[data-screen=rooms] .screen[data-for=rooms],.app[data-screen=postcard] .screen[data-for=postcard]{display:flex}h1{font-family:Fraunces,Georgia,serif;font-weight:300;font-size:clamp(44px,9vw,96px);letter-spacing:-.02em;margin:0;line-height:1}h2{font-family:Fraunces,Georgia,serif;font-weight:300;font-size:clamp(30px,5vw,52px);margin:0;letter-spacing:-.01em}.lede{max-width:560px;color:var(--ink);font-size:18px;margin:4px 0 0}.note,.hint{color:var(--muted);max-width:520px;margin:0}.note a{color:var(--ink);text-decoration-color:#efe9dc59;text-underline-offset:3px;white-space:nowrap}.readout{color:var(--gold);font-variant-numeric:tabular-nums;min-height:1.5em;margin:0}.btn{font:500 15px Inter,sans-serif;letter-spacing:.01em;padding:12px 22px;border-radius:999px;cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--ink);transition:background .2s,border-color .2s,transform .1s}.btn:hover{border-color:var(--ink)}.btn:active{transform:scale(.98)}.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}.btn.primary:hover{background:#fff}.btn.ghost{color:var(--ink);background:#0b0a1073;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.btn.ghost:hover{color:var(--ink)}.btn.on{border-color:var(--gold);color:var(--gold)}.btn:disabled{opacity:.4;cursor:default}.hidden{display:none!important}.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;align-items:center;margin-top:8px}.ring-wrap{position:relative;width:240px;height:240px;display:grid;place-items:center;margin:12px 0}.ring{width:160px;height:160px;border-radius:50%;border:1.5px solid var(--gold-dim);box-shadow:0 0 0 0 var(--gold-dim);transition:transform .08s linear,border-color .3s}.ring.burst{animation:burst var(--dur, 1.2s) ease-out forwards}@keyframes burst{0%{transform:scale(.6);border-color:var(--gold);box-shadow:0 0 40px 4px var(--gold-dim);opacity:1}to{transform:scale(2.2);border-color:var(--gold-dim);box-shadow:0 0 0 0 transparent;opacity:0}}.ring.live{border-color:var(--gold)}.pitch{position:absolute;font-family:Fraunces,serif;font-size:28px;color:var(--gold);font-variant-numeric:tabular-nums}.screen-rooms{justify-content:flex-end;align-items:stretch;padding:0;text-align:left}.rooms-nav{position:absolute;top:18px;left:50%;transform:translate(-50%);display:flex;gap:6px}.rooms-nav button{width:34px;height:4px;border-radius:2px;border:0;background:#efe9dc40;cursor:pointer;padding:0}.rooms-nav button.done{background:#efe9dc8c}.rooms-nav button.current{background:var(--gold)}.room-card{margin:0 16px 16px;padding:18px 20px 16px;border-radius:18px;background:var(--card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);max-width:640px}@media(min-width:900px){.room-card{margin:0 auto 28px;width:640px}}.room-kicker{margin:0;color:var(--gold);font-size:12px;letter-spacing:.14em;text-transform:uppercase}.room-title{font-size:clamp(26px,4vw,38px);margin:2px 0 6px}.room-text{margin:0 0 6px;font-size:15.5px}.room-physics{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.room-readout{margin:8px 0 0;color:var(--gold);font-size:13px;font-variant-numeric:tabular-nums;min-height:1.4em}.next{position:absolute;right:16px;top:14px}.slider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.slider input{accent-color:var(--gold);width:120px}.mic-bar{position:absolute;top:14px;left:50%;transform:translate(-50%);z-index:6;display:none;align-items:center;gap:10px;padding:6px 14px;max-width:calc(100vw - 32px);border-radius:999px;border:1px solid var(--line);background:#0b0a1073;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--muted);font-size:12px}.app[data-screen=clap] .mic-bar,.app[data-screen=note] .mic-bar{display:flex}.mic-bar label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;flex:none}.mic-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;min-width:0;max-width:min(52vw,300px);font:500 12.5px Inter,sans-serif;color:var(--ink);background:transparent;border:0;border-radius:4px;padding:2px 16px 2px 0;cursor:pointer;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M.5.5 4 4 7.5.5' fill='none' stroke='%23a39d94'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 2px center}.mic-select:focus-visible{outline:1px solid var(--gold);outline-offset:3px}.mic-select:disabled{opacity:.5;cursor:default}.mic-select option{background:var(--bg);color:var(--ink)}.mic-meter{flex:none;width:64px;height:3px;border-radius:2px;background:#efe9dc24;overflow:hidden}.mic-meter-fill{width:100%;height:100%;background:var(--gold);transform-origin:left center;transform:scaleX(0)}#mic-silent{color:var(--ink)}.postcard{width:min(92vw,720px);height:auto;border-radius:12px;border:1px solid var(--line);background:#000}.credits{position:absolute;left:16px;bottom:12px;font-size:12px;color:var(--muted);max-width:min(92vw,560px);z-index:5}.credits summary{cursor:pointer}.credits details[open]{background:var(--card);padding:10px 12px;border-radius:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.credits a{color:var(--ink)}.app[data-screen=rooms] .credits{bottom:auto;top:14px;left:16px}@media(max-width:720px){.app[data-screen=rooms] .credits{display:none}.rooms-nav{top:24px}.next{top:44px}}@media(prefers-reduced-motion:reduce){.ring.burst{animation-duration:.01s}.stage-img{transition:none}}