:root{color-scheme:dark;--stack-bg: #0a0912;--stack-panel: #121020;--stack-ink: #f4f1ff;--stack-muted: #9d96b8;--stack-accent: #8b6cf6;--stack-accent-bright: #b6a3ff;--stack-gold: #f0b34b;--stack-line: rgba(214, 205, 255, .12)}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden;background:var(--stack-bg);overscroll-behavior:none}body{color:var(--stack-ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-tap-highlight-color:transparent}button,a{font:inherit}button{color:inherit}.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}[hidden]{display:none!important}.stack{position:relative;display:flex;flex-direction:column;height:100vh;height:100dvh;background:radial-gradient(circle at 50% 80%,rgba(124,92,240,.1),transparent 45%),var(--stack-bg);user-select:none;-webkit-user-select:none}.stack-hud{z-index:5;display:flex;align-items:center;gap:8px;min-height:56px;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;border-bottom:1px solid var(--stack-line);background:#0a0912d1}.stack-back{display:grid;place-items:center;width:40px;height:40px;flex:0 0 auto;border-radius:12px;color:var(--stack-muted);font-size:22px;line-height:1;text-decoration:none;transition:background .14s ease,color .14s ease}.stack-back:hover,.stack-back:focus-visible{color:var(--stack-ink);background:#ffffff12}.stack-brand{flex:0 0 auto;color:var(--stack-accent-bright);font-size:11px;font-weight:800;letter-spacing:.2em}.stack-stats{display:flex;align-items:center;gap:14px;margin-left:auto}.stack-stat{min-width:38px;text-align:right}.stack-stat span{display:block;color:var(--stack-muted);font-size:9px;font-weight:700;letter-spacing:.12em;line-height:1.2;text-transform:uppercase}.stack-stat b{display:block;font-size:18px;font-variant-numeric:tabular-nums;line-height:1.2}.stack-mute{position:relative;display:grid;place-items:center;width:40px;height:40px;flex:0 0 auto;padding:0;border:0;border-radius:12px;background:transparent;color:var(--stack-muted);cursor:pointer}.stack-mute:hover,.stack-mute:focus-visible{color:var(--stack-ink);background:#ffffff12}.stack-mute svg{width:20px;height:20px}.stack-mute__slash{opacity:0;transition:opacity .12s ease}.stack-mute.is-muted .stack-mute__slash{opacity:1}.stack-stage{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;touch-action:none}.stack-stage canvas{display:block;width:100%;height:100%}.stack-hint{position:absolute;left:50%;bottom:calc(18px + env(safe-area-inset-bottom));z-index:3;padding:6px 12px;border:1px solid rgba(182,163,255,.18);border-radius:999px;background:#121020b3;color:var(--stack-muted);font-size:11px;font-weight:650;letter-spacing:.06em;pointer-events:none;transform:translate(-50%);animation:stack-hint-in .26s ease both}@keyframes stack-hint-in{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}.stack-toast{position:absolute;top:16%;left:50%;z-index:4;padding:8px 14px;border:1px solid rgba(255,228,168,.34);border-radius:999px;background:#231b0ed1;color:#ffe4a8;font-size:12px;font-weight:800;letter-spacing:.06em;pointer-events:none;opacity:0;transform:translate(-50%,4px);transition:opacity .14s ease,transform .14s ease}.stack-toast.is-visible{opacity:1;transform:translate(-50%)}.stack-overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom));background:radial-gradient(circle at 50% 36%,rgba(139,108,246,.18),transparent 55%),#0a0912bd;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.stack-card{width:min(100%,360px);text-align:center}.stack-kicker{margin:0 0 10px;color:var(--stack-accent-bright);font-size:10px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}.stack-card h1{margin:0;font-size:clamp(54px,18vw,78px);font-weight:800;letter-spacing:-.065em;line-height:.92}.stack-card h2{margin:0 0 12px;font-size:clamp(30px,9vw,42px);font-weight:800;letter-spacing:-.04em;line-height:1}.stack-card h2 span{color:var(--stack-accent-bright)}.stack-lede{margin:18px auto 22px;max-width:31ch;color:var(--stack-muted);font-size:14px;line-height:1.55}.stack-lede strong{color:var(--stack-ink);font-weight:700}.stack-primary{display:inline-flex;align-items:center;justify-content:center;min-height:52px;width:100%;padding:0 20px;border:0;border-radius:15px;background:linear-gradient(135deg,#9b81ff,#7550f5);box-shadow:0 12px 34px #5d40e157,inset 0 1px #ffffff38;color:#fff;font-size:15px;font-weight:800;letter-spacing:.01em;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,filter .12s ease}.stack-primary:hover{filter:brightness(1.08);box-shadow:0 14px 38px #5d40e16b,inset 0 1px #ffffff38}.stack-primary:active{transform:translateY(1px) scale(.99)}.stack-primary:focus-visible,.stack-back:focus-visible,.stack-mute:focus-visible{outline:2px solid var(--stack-accent-bright);outline-offset:3px}.stack-small{margin:14px 0 0;color:var(--stack-muted);font-size:11px;line-height:1.5}.stack-small span{color:var(--stack-ink);font-variant-numeric:tabular-nums;font-weight:700}.stack-over-copy{margin:0 auto 20px;max-width:30ch;color:var(--stack-muted);font-size:14px;line-height:1.55}.stack-over .stack-primary{margin-top:2px}.stack-noscript{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));left:16px;z-index:20;margin:0;padding:12px 14px;border:1px solid var(--stack-line);border-radius:12px;background:var(--stack-panel);color:var(--stack-ink);font-size:13px;text-align:center}@media(max-width:360px){.stack-hud{gap:4px;padding-inline:8px}.stack-brand{font-size:10px;letter-spacing:.14em}.stack-stats{gap:9px}.stack-stat{min-width:30px}.stack-stat b{font-size:16px}.stack-back,.stack-mute{width:36px;height:36px}}@media(min-width:760px){.stack-card{width:min(100%,390px)}.stack-lede{font-size:15px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}