:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}img{max-width:100%}[hidden]{display:none!important}

/* Layout: Cubing Bear stream look, single dark theme by design. Den Black stage, Rubik heavy caps, cube sticker tiles and the logo rainbow, Bear Orange for the one action per screen. */
:root{
  --bg:#14181E; --mid:#0A0C11; --panel:#1B202B; --card:#171C25; --line:#262C38; --line-2:#363E4E;
  --ink:#F5F6F8; --ink-2:#C3C8D2; --mute:#8A909C; --accent:#F47B20; --accent-ink:#1A0B00;
  --pink:#E5266A; --y:#FFD500; --g2:#2BB673; --teal:#00929F; --b2:#1B5FAA; --pu:#7B2E8E;
  --c-y:#FFD500; --c-g:#009B48; --c-r:#B71234; --c-b:#0046AD; --c-o:#FF5800; --c-w:#F5F6F8;
  --live:#C81E2E; --ember:#33141F; --good:#2BB673; --warn:#FFD500;
  --chart-a:#E4680E; --chart-b:#4A7FE0; --chart-dot:#8A909C;
  --st-hi:#FFD500; --st-gray:#394150; --st-w:#F5F6F8; --st-r:#D52B3C; --st-g:#0FA653; --st-y:#FFD500; --st-b:#2463D6; --st-p:#8143C8; --st-edge:#0A0C11;
  --f-display:"Rubik",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Rubik",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:14px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55;margin:0;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1280px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.mono{font-family:var(--f-mono)}
.eyebrow{font-family:var(--f-mono);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.rainbow{height:6px;border-radius:3px;background:linear-gradient(90deg,#E5266A 0 18%,#F47B20 0 36%,#FFD500 0 52%,#2BB673 0 68%,#00929F 0 84%,#1B5FAA 0 100%)}
.tiles{display:flex;flex-wrap:wrap;gap:6px}
.tiles b{display:grid;place-items:center;width:var(--ts,40px);aspect-ratio:1;border-radius:calc(var(--ts,40px) * .22);font-weight:900;font-size:calc(var(--ts,40px) * .58);color:var(--c-w);box-shadow:inset 0 -4px 0 rgba(0,0,0,.2);line-height:1}
.tiles b:nth-child(6n+1){background:var(--c-y);color:var(--bg)}
.tiles b:nth-child(6n+2){background:var(--c-g)}
.tiles b:nth-child(6n+3){background:var(--c-r)}
.tiles b:nth-child(6n+4){background:var(--c-b)}
.tiles b:nth-child(6n+5){background:var(--c-o)}
.tiles b:nth-child(6n+6){background:var(--c-w);color:var(--bg)}
.tiles i{width:calc(var(--ts,40px) * .4)}
.cubie{position:absolute;opacity:.45;border-radius:3px;pointer-events:none;animation:drift 6s ease-in-out infinite alternate}
@keyframes drift{0%{transform:translateY(-8px) rotate(0deg)}100%{transform:translateY(14px) rotate(38deg)}}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}
.brand img{height:36px;width:auto;flex:none}
.brand b{display:block;font-weight:900;font-size:19px;letter-spacing:.01em;line-height:1;text-transform:uppercase}
.brand b em{font-style:normal;color:var(--accent)}
.brand small{display:block;font-family:var(--f-mono);font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--mute);margin-top:4px}
.navlinks{margin-left:auto;display:flex;gap:2px}
.navlinks a{text-decoration:none;padding:8px 13px;border-radius:999px;color:var(--ink-2);font-weight:500;font-size:15px;display:flex;align-items:center;gap:7px;transition:background .3s ease,color .3s ease}
.navlinks a:hover{color:var(--ink);background:var(--panel)}
.navlinks a[aria-current="page"]{color:var(--ink);background:var(--panel)}
.navlinks svg{width:15px;height:15px}
.navlinks .vault-link[data-open="1"] svg{color:var(--good)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line-2);background:var(--panel);color:var(--ink);border-radius:999px;padding:11px 20px;font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,transform .1s}
.btn:hover{border-color:var(--mute)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.small{padding:7px 13px;font-size:13px}
.btn svg{width:16px;height:16px}
.iconbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);background:var(--panel);display:grid;place-items:center;cursor:pointer}
.iconbtn:hover{border-color:var(--mute)}
.iconbtn svg{width:17px;height:17px}

.view[hidden],.sub[hidden]{display:none!important}

/* page transition: the rainbow wipe from the stream package */
.wipe{position:fixed;inset:0;z-index:90;pointer-events:none;overflow:hidden;visibility:hidden}
.wipe.on{visibility:visible}
.wipe .bands{position:absolute;inset:-10% -30%;display:flex;transform:skewX(-14deg)}
.wipe .bands i{flex:1;transform:translateX(-165%);will-change:transform}
.wipe .bands i + i{margin-left:-1px}
.wipe .bands i:nth-child(1){background:#E5266A}.wipe .bands i:nth-child(2){background:#F47B20}.wipe .bands i:nth-child(3){background:#FFD500}
.wipe .bands i:nth-child(4){background:#2BB673}.wipe .bands i:nth-child(5){background:#00929F}.wipe .bands i:nth-child(6){background:#1B5FAA}.wipe .bands i:nth-child(7){background:#7B2E8E}
.wipe .bear{position:absolute;left:50%;top:50%;width:min(300px,52vw);transform:translate(-50%,-50%) scale(.6);opacity:0;filter:drop-shadow(0 12px 30px rgba(0,0,0,.45));will-change:transform,opacity}
.enter > *{animation:rise .7s cubic-bezier(.16,1,.3,1) both}
.enter > *:nth-child(2){animation-delay:.06s}.enter > *:nth-child(3){animation-delay:.12s}.enter > *:nth-child(4){animation-delay:.18s}.enter > *:nth-child(5){animation-delay:.24s}.enter > *:nth-child(6){animation-delay:.3s}.enter > *:nth-child(7){animation-delay:.36s}.enter > *:nth-child(8){animation-delay:.42s}.enter > *:nth-child(9){animation-delay:.48s}.enter > *:nth-child(n+10){animation-delay:.54s}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
twisty-player{animation:tpIn .8s ease both}
@keyframes tpIn{from{opacity:0}to{opacity:1}}
.pz .stage .ph{transition:opacity .4s}
.pop{animation:pop .45s cubic-bezier(.3,1.5,.5,1) both}
@keyframes pop{from{transform:scale(.6) rotate(-8deg);opacity:.001}to{transform:none;opacity:1}}

/* HOME */
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 10% -30%,var(--ember) 0%,transparent 55%),radial-gradient(ellipse at 95% 120%,color-mix(in srgb,var(--teal) 14%,transparent) 0%,transparent 45%),var(--bg);border-bottom:1px solid var(--line)}
.hero .wrap{position:relative;z-index:1;padding-block:40px 32px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:end}
.hero h1{font-weight:900;font-size:clamp(44px,6.2vw,88px);line-height:.9;letter-spacing:-.01em;text-transform:uppercase;margin-top:18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .rainbow{max-width:460px;margin-top:24px;height:8px;border-radius:4px}
.hero .sub{font-size:19px;color:var(--ink-2);max-width:32em}
.hero .ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero .lockline{display:flex;align-items:center;gap:12px;margin-top:22px}
.hero .lockline img{height:22px;width:auto}
.hero .lockline span{font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--mute)}

.section{padding-block:56px}
#v-home .hero + .section{padding-top:40px}
.section + .section{border-top:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-weight:900;font-size:clamp(28px,3.4vw,42px);letter-spacing:-.005em;margin-top:8px;text-transform:uppercase}
.sec-head p{color:var(--ink-2);max-width:40em}

.puzzles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.pz{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:18px;text-decoration:none;overflow:hidden;transition:border-color .2s,transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s}
.pz:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.pz.open{border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}
.pz .stage{position:relative;aspect-ratio:1/0.86;background:radial-gradient(circle at 50% 46%,color-mix(in srgb,var(--glow,var(--accent)) 18%,transparent) 0%,transparent 62%),var(--card)}
.pz .stage .host{position:absolute;inset:0}
.pz .stage twisty-player{width:100%;height:100%}
.pz .stage .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--mute);font-size:12px;font-family:var(--f-mono)}
.pz .info{padding:14px 16px 16px;display:grid;gap:8px;border-top:1px solid var(--line)}
.pz .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pz h3{font-weight:800;font-size:21px;text-transform:uppercase;letter-spacing:.01em}
.status{font-family:var(--f-mono);font-size:10px;font-weight:800;letter-spacing:.14em;border-radius:6px;padding:4px 7px;white-space:nowrap}
.status.open{background:var(--accent);color:var(--accent-ink)}
.status.soon{border:1px solid var(--line-2);color:var(--mute)}
.evs{display:flex;flex-wrap:wrap;gap:5px}
.evs span{font-size:11px;font-family:var(--f-mono);color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:2px 8px}

.inside{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}
.feat svg{width:28px;height:28px;color:var(--accent)}
.feat b{display:block;margin-top:12px;font-weight:800;font-size:18px;text-transform:uppercase}
.feat p{margin-top:4px;color:var(--mute);font-size:14px}
.feat .lk{display:inline-block;margin-top:10px;font-family:var(--f-mono);font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink);text-underline-offset:3px}

.lockstrip{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.steps{display:grid;gap:12px;counter-reset:s;margin:22px 0 0;padding:0;list-style:none}
.steps li{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start}
.steps li::before{counter-increment:s;content:counter(s);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-2);font-family:var(--f-mono);font-weight:700;color:var(--accent)}
.steps b{display:block;font-weight:600}
.steps span{color:var(--mute);font-size:15px}
.lockart{position:relative;background:var(--mid);border:1px solid var(--line);border-radius:20px;padding:28px;display:grid;gap:14px}
.lockart .seqdemo{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--f-mono);font-weight:700}
.lockart .seqdemo i{font-style:normal;padding:6px 11px;border-radius:8px;background:var(--panel);border:1px solid var(--line-2)}
.lockart .seqdemo i.q{color:var(--mute);border-style:dashed}

/* EVENT HEADER */
.evhead{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 0% -40%,var(--ember) 0%,transparent 55%),var(--bg)}
.evhead .wrap{position:relative;z-index:1;padding-block:30px 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center}
.evhead .crumbs{font-family:var(--f-mono);font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--mute)}
.evhead .crumbs a{color:var(--ink-2);text-decoration:none}
.evhead .tiles{margin-top:14px;--ts:clamp(34px,5vw,58px)}
.evhead .meta{margin-top:14px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:8px 16px;font-size:15px}
.evhead .meta b{font-family:var(--f-mono);font-size:12px;color:var(--mute);font-weight:700;letter-spacing:.1em}
.evhead .mini{width:150px;height:150px;position:relative}
.evhead .mini twisty-player{width:100%;height:100%}
.subnav{position:relative;display:flex;gap:4px;margin-top:24px;overflow-x:auto;scrollbar-width:none;grid-column:1/-1}
.subnav .ink{position:absolute;left:0;bottom:0;height:3px;width:0;border-radius:3px 3px 0 0;background:var(--accent);transition:transform .45s cubic-bezier(.16,1,.3,1),width .45s cubic-bezier(.16,1,.3,1);pointer-events:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{flex:none;display:flex;align-items:center;gap:8px;text-decoration:none;padding:12px 16px 14px;font-weight:600;font-size:15px;color:var(--ink-2);border-bottom:3px solid transparent;transition:color .3s ease}
.subnav a:hover{color:var(--ink)}
.subnav a[aria-current="page"]{color:var(--ink)}
.subnav svg{width:16px;height:16px}
.subnav a.off{color:var(--mute);pointer-events:none;opacity:.55}

.soonbox{padding-block:48px 80px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.soonstage{position:relative;aspect-ratio:1;max-width:460px;width:100%;justify-self:center;border-radius:24px;background:radial-gradient(circle at 50% 46%,color-mix(in srgb,var(--accent) 16%,transparent) 0%,transparent 62%),var(--card);border:1px solid var(--line)}
.soonstage twisty-player{width:100%;height:100%}
.soonbox h2{font-weight:900;font-size:clamp(28px,3.6vw,44px);text-transform:uppercase}
.soonbox p{color:var(--ink-2);margin-top:12px;max-width:34em}

/* LIBRARY */
.libhead{padding-block:26px 0}
.libhead h2{font-weight:900;font-size:clamp(26px,3.2vw,38px);text-transform:uppercase}
.tabs{display:flex;gap:6px;overflow-x:auto;padding:4px 0 8px;margin-top:16px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 14px;cursor:pointer;font-weight:500;font-size:14px;color:var(--ink-2);display:flex;gap:8px;align-items:center;transition:background .25s ease,color .25s ease,border-color .25s ease}
.tab span{transition:color .25s ease}
.tab span{font-family:var(--f-mono);font-size:12px;color:var(--mute)}
.tab:hover{border-color:var(--line-2);color:var(--ink)}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.tab[aria-selected="true"] span{color:var(--bg)}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin:14px 0 6px}
.lede{color:var(--ink-2);max-width:46em}
.search{position:relative;flex:0 1 280px;min-width:0}
.search input{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:9px 14px 9px 36px;color:var(--ink);font:inherit;font-size:14px}
.search input::placeholder{color:var(--mute)}
.search svg{position:absolute;left:12px;top:50%;width:16px;height:16px;transform:translateY(-50%);color:var(--mute)}
.lib{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:28px;padding-block:20px 64px;align-items:start}
.group{margin-top:26px}
.group:first-child{margin-top:4px}
.group h3{font-size:17px;font-weight:700;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;text-transform:uppercase;letter-spacing:.02em}
.group h3 span{font-family:var(--f-mono);font-size:12px;color:var(--mute);font-weight:500;text-transform:none;letter-spacing:0}
.group > p{color:var(--mute);font-size:14px;margin-top:4px;max-width:46em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px;margin-top:14px}
.tile{position:relative;display:flex;flex-direction:column;align-items:stretch;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 10px 9px;cursor:pointer;text-align:left;transition:border-color .12s,background .12s,transform .15s}
.tile:hover{border-color:var(--line-2);background:var(--card);transform:translateY(-2px)}
.tile[aria-current="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.tile .pic{aspect-ratio:1;display:grid;place-items:center}
.tile .pic svg,.tile .pic img{width:88%;height:auto;display:block}
.tile .meta{display:flex;justify-content:space-between;align-items:baseline;gap:6px}
.tile .id{font-weight:600;font-size:13px;white-space:nowrap}
.tile .mv{font-family:var(--f-mono);font-size:11px;color:var(--mute)}
.tile .nm{font-size:12px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:-4px}
.tile .st{position:absolute;top:8px;left:8px;width:9px;height:9px;border-radius:50%}
.tile .st[data-s="1"]{background:var(--warn)}
.tile .st[data-s="2"]{background:var(--good)}
.empty{color:var(--mute);padding:40px 0}
.panel{position:sticky;top:calc(env(safe-area-inset-top,0px) + 82px);background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.panel .stage{position:relative;aspect-ratio:1/1;background:radial-gradient(circle at 50% 45%,var(--card),var(--mid) 75%)}
.panel .stage twisty-player{width:100%;height:100%}
.panel .stage .loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--mute);font-size:13px}
.panel .controls{display:flex;justify-content:center;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.panel .controls .iconbtn.play{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.panel .body{padding:16px 18px 20px;display:grid;gap:14px;border-top:1px solid var(--line)}
.panel .title{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.panel .title h2{font-size:24px;font-weight:800}
.panel .title span{font-family:var(--f-mono);font-size:12px;color:var(--mute);white-space:nowrap}
.panel .sub{color:var(--mute);font-size:14px;margin-top:-8px}
.alg{display:flex;flex-wrap:wrap;gap:4px 5px;font-family:var(--f-mono);font-weight:700;font-size:17px}
.alg button{border:0;background:transparent;padding:3px 7px;border-radius:7px;cursor:pointer;color:var(--ink);transition:background .18s ease,color .18s ease}
.alg button:hover{background:var(--card)}
.alg button.on{background:var(--accent);color:var(--accent-ink)}
.alg button.done{color:var(--mute)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.note{font-size:14px;color:var(--ink-2);background:var(--card);border-radius:10px;padding:10px 12px}
.alts{display:grid;gap:6px}
.alts h4,.src h4{margin:0 0 4px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700}
.alt{display:flex;justify-content:space-between;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:transparent;cursor:pointer;text-align:left;width:100%}
.alt:hover{border-color:var(--line-2)}
.alt code{font-family:var(--f-mono);font-size:13px;font-weight:700;min-width:0;overflow-wrap:anywhere}
.alt small{color:var(--mute);font-size:11px;flex:none;max-width:45%;text-align:right}
.src p{font-size:13px;color:var(--ink-2)}
.statusrow{display:flex;gap:6px}
.statusrow button{flex:1;border:1px solid var(--line);background:transparent;border-radius:999px;padding:7px 8px;font-size:13px;cursor:pointer;color:var(--ink-2)}
.statusrow button[aria-pressed="true"][data-s="0"]{background:var(--card);color:var(--ink);border-color:var(--line-2)}
.statusrow button[aria-pressed="true"][data-s="1"]{background:color-mix(in srgb,var(--warn) 20%,transparent);color:var(--ink);border-color:var(--warn)}
.statusrow button[aria-pressed="true"][data-s="2"]{background:color-mix(in srgb,var(--good) 20%,transparent);color:var(--ink);border-color:var(--good)}
.memberhint{font-size:13px;color:var(--mute);display:flex;gap:8px;align-items:center}
.memberhint svg{width:15px;height:15px;color:var(--accent);flex:none}
.memberhint a{color:var(--ink);text-underline-offset:3px}

/* TIMER */
.timerwrap{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;padding-block:24px 72px;align-items:start}
.scr{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px 20px;display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:16px;align-items:center}
.scr .lbl{font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--mute);display:flex;justify-content:space-between;align-items:center;gap:8px}
.scr pre{margin:10px 0 0;font-family:var(--f-mono);font-weight:700;font-size:15px;line-height:1.75;white-space:pre-wrap;color:var(--ink);overflow-wrap:normal;word-break:keep-all}
.scr .prev{aspect-ratio:1.05;background:var(--card);border-radius:12px;position:relative;overflow:hidden}
.scr .prev twisty-player{width:100%;height:100%}
.clockpad{margin-top:16px;position:relative;background:radial-gradient(ellipse at 50% 120%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 60%),var(--mid);border:1px solid var(--line);border-radius:22px;min-height:340px;display:grid;place-items:center;text-align:center;padding:30px 20px;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none;transition:background .2s}
.bigtime{font-family:var(--f-mono);font-weight:800;font-size:clamp(64px,12vw,148px);letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1;transition:color .12s}
.clockpad[data-s="hold"] .bigtime{color:var(--live)}
.clockpad[data-s="ready"] .bigtime{color:var(--good)}
.clockpad[data-s="run"] .bigtime{color:var(--ink)}
.clockpad[data-s="insp"] .bigtime{color:var(--y)}
.clockpad .hint{margin-top:16px;color:var(--mute);font-size:14px}
.clockpad .last{margin-top:10px;display:flex;gap:8px;justify-content:center;min-height:34px}
.nav,.evhead,.tside,.scr,footer{transition:opacity .45s ease}
.focus .nav,.focus .evhead,.focus .tside,.focus .scr,.focus footer{opacity:.06;transition:opacity .25s ease;pointer-events:none}
.clockpad{transition:background .3s ease,border-color .3s ease}
.bigtime{transition:color .18s ease}
.tside{display:grid;gap:12px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px}
.box h3{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.qstats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.qstats div{background:var(--card);border-radius:10px;padding:10px 6px;text-align:center}
.qstats b{display:block;font-family:var(--f-mono);font-size:18px;font-variant-numeric:tabular-nums}
.qstats span{font-size:10px;color:var(--mute);letter-spacing:.1em;text-transform:uppercase;font-family:var(--f-mono)}
.solves{display:grid;gap:4px;max-height:360px;overflow:auto;font-size:14px}
.solves .s{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:8px;align-items:center;padding:6px 8px;border-radius:9px;background:var(--card)}
.solves .s .n{font-family:var(--f-mono);color:var(--mute);font-size:12px}
.solves .s b{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.solves .s .acts{display:flex;gap:4px}
.solves .s .acts button{border:1px solid var(--line-2);background:transparent;border-radius:6px;font-family:var(--f-mono);font-size:11px;padding:2px 6px;cursor:pointer;color:var(--ink-2)}
.solves .s .acts button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.toggle{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);cursor:pointer}
.toggle input{accent-color:var(--accent);width:16px;height:16px}

/* STATS */
.statswrap{padding-block:24px 72px;display:grid;gap:18px}
.examplebar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:color-mix(in srgb,var(--y) 10%,var(--panel));border:1px solid color-mix(in srgb,var(--y) 45%,var(--line));border-radius:14px;padding:12px 16px;font-size:14px}
.examplebar b{color:var(--y);font-family:var(--f-mono);font-size:12px;letter-spacing:.12em}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.kpi span{font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--mute)}
.kpi b{display:block;font-family:var(--f-mono);font-weight:800;font-size:30px;font-variant-numeric:tabular-nums;margin-top:6px;letter-spacing:-.02em}
.kpi small{display:block;color:var(--mute);font-size:13px;margin-top:2px}
.kpi small.up{color:var(--good)}
.charts{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:14px}
.chartcard{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px 18px 12px;min-width:0}
.chartcard h3{font-weight:800;font-size:17px;text-transform:uppercase;letter-spacing:.02em}
.chartcard .ch-sub{color:var(--mute);font-size:13px;margin-top:2px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);margin-top:10px}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle}
.legend i.dot{width:8px;height:8px;border-radius:50%}
.chart{position:relative;margin-top:8px}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
#chHist path{transform-box:fill-box;transform-origin:50% 100%}
.chart .tip{transition:opacity .15s ease,left .12s ease,top .12s ease}
.chart .axis text{fill:var(--mute);font-family:var(--f-mono);font-size:11px}
.chart .grid line{stroke:var(--line);stroke-width:1}
.chart .tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--bg);border-radius:10px;padding:8px 10px;font-size:12px;line-height:1.45;white-space:nowrap;transform:translate(-50%,-110%);opacity:0;transition:opacity .15s ease,left .12s ease,top .12s ease;z-index:2}
.chart .tip b{font-family:var(--f-mono)}
.chart .tip i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.tablewrap{overflow-x:auto}
table.solvetable{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}
table.solvetable th,table.solvetable td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.solvetable th{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--mute);font-weight:700}
table.solvetable td{font-family:var(--f-mono)}
details.tv summary{cursor:pointer;color:var(--ink-2);font-size:14px;font-weight:600}

/* VAULT */
.vaulthead{padding-block:26px 6px}
.vaulthead h2{font-weight:900;font-size:clamp(26px,3.2vw,38px);text-transform:uppercase}
.lock{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;padding-block:20px 72px;align-items:start}
.lockstage{position:relative;aspect-ratio:1/1;border-radius:22px;border:1px solid var(--line);background:radial-gradient(circle at 50% 42%,var(--card),var(--mid) 72%);overflow:hidden}
.lockstage twisty-player{width:100%;height:100%}
.lockstage .badge{position:absolute;left:16px;top:16px;display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);z-index:1}
.lockstage .badge svg{width:16px;height:16px;color:var(--accent)}
.lockui h2{font-size:24px;font-weight:800;text-transform:uppercase}
.lockui > p{color:var(--ink-2);margin-top:8px}
.seq{margin-top:20px;min-height:58px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;background:var(--mid);border:1px solid var(--line);border-radius:14px;padding:12px;font-family:var(--f-mono);font-weight:700}
.seq i{font-style:normal;padding:4px 9px;border-radius:7px;background:var(--panel);border:1px solid var(--line-2)}
.seq .ph{color:var(--mute);font-weight:500;font-family:var(--f-body);font-size:14px}
.seq.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.pad{margin-top:14px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.pad button{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:10px 0;font-family:var(--f-mono);font-weight:700;font-size:15px;cursor:pointer}
.pad button:hover{border-color:var(--line-2);background:var(--card)}
.pad button:active{background:var(--accent);color:var(--accent-ink)}
.lockactions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.lockmsg{margin-top:12px;font-size:14px;min-height:22px}
.lockmsg.err{color:#FF6B6B}
.lockmsg.ok{color:var(--good)}
.vtabs{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}
.vpane{padding-block:22px 72px}
.trainer{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.tcard{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px;display:grid;gap:18px;justify-items:center;text-align:center}
.tcard .pic{width:min(300px,70%);aspect-ratio:1}
.tcard .pic svg,.tcard .pic img{width:100%;height:100%;object-fit:contain}
.clock{font-family:var(--f-mono);font-weight:800;font-size:clamp(48px,8vw,84px);letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1}
.clock.run{color:var(--accent)}
.thint{color:var(--mute);font-size:14px}
.reveal{min-height:28px;font-family:var(--f-mono);font-weight:700;font-size:16px;max-width:36em}
.reveal.hide{color:transparent;background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 14px);border-radius:6px;user-select:none}
.side{display:grid;gap:12px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line-2);background:transparent;border-radius:999px;padding:6px 11px;font-size:13px;cursor:pointer;color:var(--ink-2);transition:background .25s ease,color .25s ease,border-color .25s ease}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;text-align:center}
.stats div{background:var(--card);border-radius:10px;padding:10px 4px}
.stats b{display:block;font-family:var(--f-mono);font-size:18px;font-variant-numeric:tabular-nums}
.stats span{font-size:10px;color:var(--mute);letter-spacing:.1em;text-transform:uppercase;font-family:var(--f-mono)}
.hist{display:grid;gap:4px;max-height:220px;overflow:auto;font-size:13px}
.hist div{display:flex;justify-content:space-between;gap:8px;padding:5px 8px;border-radius:8px;background:var(--card)}
.hist b{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.hist .miss{color:var(--warn)}
.prog{display:grid;gap:10px}
.progrow{display:grid;grid-template-columns:150px minmax(0,1fr) 110px;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer;text-align:left}
.progrow:hover{border-color:var(--line-2)}
.progrow b{font-weight:600}
.bar{height:10px;border-radius:5px;background:var(--card);overflow:hidden;display:flex}
.bar i{display:block;height:100%}
.bar .g{background:var(--good)}
.bar .y{background:var(--warn)}
.progrow span{font-family:var(--f-mono);font-size:13px;color:var(--mute);text-align:right;font-variant-numeric:tabular-nums}
.plegend{display:flex;gap:16px;color:var(--mute);font-size:13px;margin-top:6px;flex-wrap:wrap}
.plegend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:-1px}
.sheet{background:var(--ink);color:var(--bg);border-radius:16px;padding:28px;margin-top:16px}
.sheet h2{font-size:26px;font-weight:900;text-transform:uppercase}
.sheet .shsub{font-size:13px;opacity:.65;margin-top:4px}
.sheetgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px 18px;margin-top:20px}
.sheetitem{display:grid;grid-template-columns:64px minmax(0,1fr);gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid color-mix(in srgb,var(--bg) 15%,transparent);break-inside:avoid}
.sheetitem .pic svg,.sheetitem .pic img{width:64px;height:64px;display:block}
.sheetitem b{font-size:13px}
.sheetitem code{display:block;font-family:var(--f-mono);font-size:12px;font-weight:700;overflow-wrap:anywhere}
.sheetfoot{margin-top:18px;font-size:11px;opacity:.6}

footer{border-top:1px solid var(--line);padding-block:40px 56px;color:var(--mute);font-size:14px}
footer .cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px}
footer .lockup{display:grid;gap:14px;justify-items:start}
footer .lockup .bear{width:140px;height:auto}
footer .lockup .wm{width:210px;height:auto}
footer .rainbow{width:210px}
footer h3{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px}
footer ul{margin:0;padding:0;list-style:none;display:grid;gap:6px}
footer li b{color:var(--ink-2);font-weight:500}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;transition:.25s;z-index:80;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:1080px){
  .puzzles{grid-template-columns:repeat(3,minmax(0,1fr))}
  .lib{grid-template-columns:minmax(0,1fr)}
  .panel{position:relative;top:auto;order:-1;display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr)}
  .panel .stage{grid-row:span 2}
  .panel .controls{border-top:0;border-left:1px solid var(--line)}
  .panel .body{border-left:1px solid var(--line)}
  .trainer,.timerwrap{grid-template-columns:minmax(0,1fr)}
  .charts{grid-template-columns:minmax(0,1fr)}
  .inside{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:820px){
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:20px;padding-block:36px 28px}
  .puzzles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lockstrip,.lock,.soonbox{grid-template-columns:minmax(0,1fr)}
  footer .cols{grid-template-columns:minmax(0,1fr)}
  .progrow{grid-template-columns:minmax(0,1fr) 90px}
  .progrow .bar{grid-column:1/-1;order:3}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .evhead .mini{display:none}
  .evhead .wrap{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:620px){
  .panel{display:block}
  .panel .stage{aspect-ratio:auto;height:62vw}
  .panel .controls,.panel .body{border-left:0}
  .navlinks a{padding:8px 9px}
  .navlinks .lbl{display:none}
  .brand small{display:none}
  .brand b{font-size:14px}
  .brand img{height:28px}
  .brand{gap:8px}
  .nav .wrap{gap:8px}
  .hero .lockline{display:none}
  .scr .prev{display:none}
  .scr pre{font-size:12.5px;line-height:1.6}
  .clockpad{min-height:260px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
  .scr{grid-template-columns:minmax(0,1fr)}
  .pz h3{font-size:17px}
  .pz .evs{display:none}
  .inside{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}
@media print{
  body{background:#fff}
  .nav,footer,.evhead,.vaulthead,.vtabs,.noprint,#v-home,#v-soon,#v-megaminx,#v-timer,#v-stats,#vaultCat,#vaultShow{display:none!important}
  .vpane{padding:0}
  .sheet{border-radius:0;padding:0;margin:0}
}

/* ===== membership tiers ===== */
.tierpill{display:inline-flex;align-items:center;font-family:var(--f-mono);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:3px 9px;border-radius:999px;border:1px solid currentColor;line-height:1.4}
.tierpill[data-t="cub"]{color:var(--c-y)}
.tierpill[data-t="bear"]{color:var(--accent)}
.tierpill[data-t="grizzly"]{color:#FF5A6A}
.tierlist{list-style:none;display:grid;gap:10px;margin:4px 0 18px;padding:0}
.tierlist li{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;align-items:center;font-size:14px;color:var(--ink-2)}
.tierlist .tierpill{justify-self:start}
.vtabs .tab .tl{width:13px;height:13px;display:none}
.vtabs .tab[data-locked="1"] .tl{display:inline-block}
.vtabs .tab[data-locked="1"]:not([aria-selected="true"]){color:var(--mute)}
#kmRow{margin-top:14px;gap:12px;align-items:center}
.packgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.packgrid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.packgrid .box .q{font-weight:700;margin-bottom:12px}
#voteOpts{margin-bottom:12px}
.packgrid .box .big{font-size:20px;font-weight:800}
.packgrid .box .row{margin-top:12px;gap:8px;flex-wrap:wrap}
.packgrid .box > .btn{margin-top:12px}
.empty-note{color:var(--mute);font-size:14px;line-height:1.5}
.erow{display:grid;gap:2px;padding:10px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}
.erow:first-of-type{border-top:0}
.erow span{color:var(--mute);font-size:13px}
.credits{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.credits li{border:1px solid var(--line-2);border-radius:999px;padding:4px 10px;font-size:13px}
.form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0}
.form label{display:grid;gap:5px;font-size:12px;color:var(--mute);font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.08em}
.form label.wide{grid-column:1 / -1}
.form input,.form select,.form textarea{font:inherit;font-family:var(--f-body);text-transform:none;letter-spacing:0;font-size:14px;color:var(--ink);background:var(--bg);border:1px solid var(--line-2);border-radius:10px;padding:8px 10px;min-width:0}
.form textarea{resize:vertical}
.upsell{max-width:640px;margin:28px auto 72px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px 24px}
.upsell h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;text-transform:uppercase;margin-top:14px}
.upsell p{color:var(--ink-2);margin-top:10px}
.upsell .perks{list-style:none;padding:0;margin:16px auto;display:grid;gap:8px;max-width:30em;text-align:left}
.upsell .perks li{padding-left:22px;position:relative;color:var(--ink)}
.upsell .perks li:before{content:"";position:absolute;left:4px;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.upsell .row{justify-content:center;gap:10px;margin-top:18px;flex-wrap:wrap}
@media (max-width:900px){.packgrid,.packgrid.three{grid-template-columns:minmax(0,1fr)}.form{grid-template-columns:minmax(0,1fr)}}

/* TIMER polish */
.timerwrap{grid-template-columns:minmax(0,1fr) 370px}
.scr{grid-template-columns:minmax(0,1fr) 210px}
.scr pre{white-space:pre;overflow-x:auto;scrollbar-width:thin}
.scr pre .mv-d{color:var(--ink-2)}
.scr pre .mv-u{color:var(--accent)}
.scr .lbl .row{display:flex;gap:6px}
.ghostbtn{background:transparent}
.scr .prev{aspect-ratio:1.05;background:var(--card);border-radius:12px}
.scr .prev::before{content:"Drawing the scramble";position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--mute);background:linear-gradient(100deg,transparent 30%,color-mix(in srgb,var(--ink) 6%,transparent) 50%,transparent 70%) 0 0/250% 100%;animation:prevshine 1.4s linear infinite;transition:opacity .3s}
.scr .prev.ready::before{opacity:0;animation:none}
@keyframes prevshine{to{background-position:-150% 0}}
.prevtoggle{display:none;margin-top:10px;background:none;border:0;padding:4px 0;color:var(--accent);font:600 13px var(--f-body,inherit);cursor:pointer;text-underline-offset:3px}
.prevtoggle:hover{text-decoration:underline}
.clockpad{border-width:1.5px}
.clockpad[data-s="hold"]{border-color:color-mix(in srgb,var(--live) 70%,transparent);background:radial-gradient(ellipse at 50% 120%,color-mix(in srgb,var(--live) 22%,transparent),transparent 62%),var(--mid)}
.clockpad[data-s="ready"]{border-color:color-mix(in srgb,var(--good) 80%,transparent);background:radial-gradient(ellipse at 50% 120%,color-mix(in srgb,var(--good) 26%,transparent),transparent 62%),var(--mid)}
.clockpad[data-s="insp"]{border-color:color-mix(in srgb,var(--y) 55%,transparent);background:radial-gradient(ellipse at 50% 120%,color-mix(in srgb,var(--y) 14%,transparent),transparent 62%),var(--mid)}
.clockpad[data-s="run"]{border-color:var(--line)}
.clockpad:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.holdbar{width:min(240px,60%);height:4px;margin:18px auto 0;border-radius:4px;background:color-mix(in srgb,var(--ink) 8%,transparent);overflow:hidden;opacity:0;transition:opacity .15s}
.holdbar i{display:block;height:100%;background:var(--live);transform:scaleX(0);transform-origin:left}
.clockpad[data-s="hold"] .holdbar,.clockpad[data-s="ready"] .holdbar{opacity:1}
.clockpad[data-s="ready"] .holdbar i{background:var(--good)}
.clockpad[data-s="run"] .holdbar{opacity:0}
.focus .subnav,.focus .memberhint{opacity:.06;pointer-events:none;transition:opacity .25s ease}
.subnav{transition:opacity .45s ease}
.focus .clockpad{cursor:none}
.sessctl select,.optrow select{appearance:none;-webkit-appearance:none;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23999' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 10px center;border:1px solid var(--line-2);color:var(--ink);border-radius:9px;padding:6px 28px 6px 10px;font:500 13px var(--f-body);letter-spacing:0;text-transform:none;max-width:190px;cursor:pointer}
.sessctl select:focus-visible,.optrow select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.qstats b{font-size:17px}
.spark{margin-top:12px;background:var(--card);border-radius:10px;padding:10px 10px 8px}
.spark svg{display:none;width:100%;height:56px}
.spark.on svg{display:block}
.spark p{font-size:12px;color:var(--mute);margin-top:2px}
.spark p b{color:var(--ink-2);font-weight:600}
.sessbtns{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.sessbtns .btn[disabled]{opacity:.4;cursor:not-allowed}
.opts{display:grid;gap:12px}
.optrow{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
.datanote{font-size:13px;color:var(--mute);line-height:1.5}
.solves .empty{color:var(--mute);font-size:13px;line-height:1.5}
.solves .s{grid-template-columns:34px minmax(0,1fr) auto auto}
.solves .s .tm{all:unset;cursor:pointer;font-family:var(--f-mono);font-weight:700;font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:1px 4px;margin-left:-4px;justify-self:start}
.solves .s .tm:hover{background:color-mix(in srgb,var(--ink) 8%,transparent)}
.solves .s .tm:focus-visible{outline:2px solid var(--accent)}
.solves .s .a5{font-family:var(--f-mono);font-size:11px;color:var(--mute);font-variant-numeric:tabular-nums}
.hasnote{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.tdlg{border:1px solid var(--line-2);background:var(--panel);color:var(--ink);border-radius:18px;padding:0;width:min(520px,calc(100vw - 32px));max-height:calc(100vh - 48px)}
.tdlg::backdrop{background:rgba(5,7,10,.72);backdrop-filter:blur(3px)}
.tdlgin{padding:20px;display:grid;gap:12px}
.dlghead{display:flex;justify-content:space-between;align-items:center}
.dlghead h2{font-size:18px}
.iconx{background:none;border:0;color:var(--mute);font-size:24px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:8px}
.iconx:hover{color:var(--ink);background:var(--card)}
.dlgtime{font-family:var(--f-mono);font-weight:800;font-size:46px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.dlgtime small{font-size:18px;color:var(--live);margin-left:8px}
.dlgmeta{font-size:13px;color:var(--mute)}
.dlgacts,.dlgfoot{display:flex;gap:8px;flex-wrap:wrap}
.dlgfoot{justify-content:flex-end;margin-top:4px}
.dlgacts .btn[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.dlgsub{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-top:4px}
.dlgscr{font-family:var(--f-mono);font-weight:700;font-size:13px;line-height:1.7;background:var(--card);border-radius:10px;padding:12px;white-space:pre;overflow-x:auto;margin:0}
.dlgscr .mv-d{color:var(--ink-2)}
.dlgscr .mv-u{color:var(--accent)}
.tdlg textarea,.dlglabel input{width:100%;background:var(--card);border:1px solid var(--line-2);border-radius:10px;color:var(--ink);font:inherit;font-size:14px;padding:10px;resize:vertical}
.dlglabel{display:grid;gap:6px;font-size:13px;color:var(--mute)}
.btn.danger{color:var(--live);border-color:color-mix(in srgb,var(--live) 50%,var(--line-2))}
.statsess{font-size:13px;color:var(--mute)}
.statsess b{color:var(--ink)}
@media (max-width:980px){
  .timerwrap{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:620px){
  .scr{grid-template-columns:minmax(0,1fr);padding:16px}
  .scr pre{font-size:min(12.5px,2.85vw);line-height:1.7}
  .prevtoggle{display:inline-block}
  .scr .prev{display:none;width:min(260px,100%);justify-self:center}
  .scr.showprev .prev{display:block}
  .scr .lbl{flex-wrap:wrap}
  .qstats b{font-size:15px}
  .dlgtime{font-size:38px}
  .dlgscr{font-size:min(12px,2.9vw)}
  .optrow{flex-wrap:wrap}
}

/* v3: timer and stats pages, tiers */
.pzpick{grid-column:1/-1;display:flex;gap:6px;margin-top:22px;padding-bottom:16px;overflow-x:auto;scrollbar-width:none}
.pzpick::-webkit-scrollbar{display:none}
.pzpick a{flex:none;text-decoration:none;font-weight:600;font-size:14px;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;transition:background .2s ease,color .2s ease,border-color .2s ease}
.pzpick a:hover{color:var(--ink);border-color:var(--ink-2)}
.pzpick a[aria-current="page"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.focus .pzpick{opacity:.06;pointer-events:none}
.scr pre:not([data-pz="megaminx"]) .mv-d,.scr pre:not([data-pz="megaminx"]) .mv-u,.dlgscr:not([data-pz="megaminx"]) .mv-d,.dlgscr:not([data-pz="megaminx"]) .mv-u{color:inherit}
svg.lk{width:13px;height:13px;flex:none;vertical-align:-2px;color:var(--mute)}
.tab svg.lk{display:none}
.tab[data-locked="1"] svg.lk{display:inline-block}
.tab[data-locked="1"]{color:var(--mute)}
.qstats [data-need].locked b{color:var(--mute)}
.qstats [data-need].locked b svg.lk{width:15px;height:15px}
.sessbox[data-locked="1"] .sessctl,.sessbox[data-locked="1"] .sessbtns{display:none}
.sesslock{font-size:12.5px;color:var(--mute);margin-top:10px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.sesslock:empty{display:none}
.sesslock b{color:var(--accent)}
.sesslock a,#sparkCap a{color:var(--ink);text-underline-offset:3px}
.statslink{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;font-weight:600;color:var(--ink);text-decoration:none}
.statslink svg{width:15px;height:15px;color:var(--accent)}
.statslink:hover{text-decoration:underline;text-underline-offset:3px}
.lockcard{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;display:grid;gap:10px;justify-items:start}
.lockcard h3{font-size:clamp(18px,2vw,22px);font-weight:800}
.lockcard .perks{list-style:none;padding:0;margin:2px 0 4px;display:grid;gap:7px}
.lockcard .perks li{padding-left:20px;position:relative;color:var(--ink-2);font-size:14px}
.lockcard .perks li:before{content:"";position:absolute;left:3px;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.lockcard .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.lockcard.compact{padding:0;border:0;background:none}
.lockcard.compact h3{font-size:15px}
.lockset{display:grid;gap:16px}
.lockpeek{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px;filter:blur(3px) saturate(.7);opacity:.45;pointer-events:none;user-select:none;-webkit-mask-image:linear-gradient(#000 30%,transparent);mask-image:linear-gradient(#000 30%,transparent)}
.lockpeek .pic{display:block;aspect-ratio:1;background:var(--card);border-radius:12px;padding:8px}
.lockpeek .pic svg,.lockpeek .pic img{width:100%;height:100%}
.lib.locked{grid-template-columns:minmax(0,1fr)}
.lib.locked .panel{display:none}
.stbar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between}
.stbar .statsess{flex:1 1 260px}
.statsessel{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mute)}
.statsessel select{appearance:none;-webkit-appearance:none;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23999' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 10px center;border:1px solid var(--line-2);color:var(--ink);border-radius:9px;padding:6px 28px 6px 10px;font:500 13px var(--f-body);max-width:220px;cursor:pointer}
.charts.one{grid-template-columns:minmax(0,1fr)}
#v-stats .statswrap{padding-top:24px}
@media (max-width:620px){
  .pzpick{margin-top:16px}
  .pzpick a{font-size:13px;padding:6px 12px}
  .lockcard{padding:18px}
}
.box .lockcard h3{font-family:var(--f-body);font-size:16px;letter-spacing:0;text-transform:none;color:var(--ink);display:block;margin:2px 0 0;font-weight:800}
.box .lockcard.compact .perks li{font-size:13px}
#sparkCap svg.lk{margin-right:2px}

/* v4: vault showcase, Square-1 visuals */
.vaultshow{padding-block:8px 80px;display:grid;gap:22px}
.vaultshow[hidden]{display:none}
.vshead{max-width:760px}
.vshead h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;text-transform:uppercase;line-height:1.05;margin-top:6px}
.vshead p{color:var(--ink-2);margin-top:10px;font-size:16px;line-height:1.55}
.showreel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.reel{background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.reel[hidden]{display:none}
.reelpz{position:relative;aspect-ratio:1/0.9;background:radial-gradient(circle at 50% 44%,var(--card),var(--mid) 75%)}
.reelpz twisty-player{position:absolute;inset:0;width:100%;height:100%}
.reelcap{padding:14px 16px 16px;display:grid;gap:6px;border-top:1px solid var(--line)}
.reelcap .top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.reelset{font-weight:800;font-size:16px}
.reelid{font-family:var(--f-mono);font-size:12px;color:var(--mute)}
.reelalg{font-family:var(--f-mono);font-size:12.5px;color:var(--ink-2);line-height:1.5;word-break:break-word}
.tiergrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tiercol{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;align-content:start;gap:8px}
.tiercol[data-t="cub"]{border-color:color-mix(in srgb,var(--c-y) 40%,var(--line))}
.tiercol[data-t="bear"]{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}
.tiercol[data-t="grizzly"]{border-color:color-mix(in srgb,#FF5A6A 45%,var(--line))}
.tiercol h3{font-size:18px;font-weight:800}
.tiercol .perks{list-style:none;padding:0;margin:4px 0 0;display:grid;gap:8px}
.tiercol .perks li{padding-left:20px;position:relative;color:var(--ink-2);font-size:14px;line-height:1.45}
.tiercol .perks li:before{content:"";position:absolute;left:3px;top:.5em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.tiercol[data-t="free"] .perks li:before{background:var(--good)}
.tierpill.free{color:var(--good)}
.tiercol .tierpill{justify-self:start}
.vsactions{display:flex;gap:10px;flex-wrap:wrap}
.spritepz{position:absolute;inset:0;width:100%;height:100%;display:block}
.scr .prev svg.sq1d{position:absolute;inset:6px;width:calc(100% - 12px);height:calc(100% - 12px)}
.scr .prev:has(svg.sq1d){aspect-ratio:232/332}
.sq1lbl{font-family:var(--f-mono);font-size:10px;font-weight:700;letter-spacing:.12em;fill:var(--mute)}
@media (max-width:1080px){.tiergrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.showreel{grid-template-columns:minmax(0,1fr)} .reelpz{aspect-ratio:1/0.8}}
@media (max-width:620px){.tiergrid{grid-template-columns:minmax(0,1fr)} .vaultshow{padding-bottom:56px}}

/* v5: page transitions */
.wipe{display:none !important}
.nav{view-transition-name:sitenav}
.tbar{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;background:linear-gradient(90deg,#E5266A 0 18%,#F47B20 0 36%,#FFD500 0 52%,#2BB673 0 68%,#00929F 0 84%,#1B5FAA 0 100%);transform:scaleX(0);transform-origin:left;opacity:0}
.tbar.run{animation:tbar .78s cubic-bezier(.22,1,.36,1) both}
@keyframes tbar{0%{transform:scaleX(0);opacity:1}55%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
::view-transition-old(root){animation:vt-out .16s cubic-bezier(.4,0,1,1) both}
::view-transition-new(root){animation:vt-in .48s cubic-bezier(.16,1,.3,1) .13s both}
::view-transition-old(sitenav){display:none}
::view-transition-new(sitenav){animation:none}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px) scale(.992)}}
@keyframes vt-in{from{opacity:0;transform:translateY(14px)}}
@media (prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}.tbar.run{animation:none}}

/* v6: vault for every puzzle */
.vcat{padding-block:8px 40px;display:grid;gap:16px}
.vcpick{margin-top:0;padding-bottom:4px}
.vcpick a{display:inline-flex;align-items:center;gap:7px}
.livedot{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px color-mix(in srgb,var(--good) 25%,transparent)}
.vcnote{color:var(--ink-2);font-size:14px}
.vcnote b{color:var(--ink)}
.vcgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.vccol{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:14px;display:grid;align-content:start;gap:8px}
.vccol[data-t="cub"]{border-color:color-mix(in srgb,var(--c-y) 35%,var(--line))}
.vccol[data-t="bear"]{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.vccol[data-t="grizzly"]{border-color:color-mix(in srgb,#FF5A6A 40%,var(--line))}
.vchead{display:grid;gap:6px;justify-items:start;margin-bottom:4px}
.vchead small{color:var(--mute);font-size:12.5px}
.vcset{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"nm st" "mt st";gap:2px 10px;align-items:center;background:var(--card);border:1px solid transparent;border-radius:12px;padding:10px 12px;text-decoration:none;color:var(--ink)}
.vcset .nm{grid-area:nm;font-weight:600;font-size:14px;line-height:1.3}
.vcset .mt{grid-area:mt;font-family:var(--f-mono);font-size:11px;color:var(--mute)}
.vcset .mt:empty{display:none}
.vcset .st{grid-area:st;font-family:var(--f-mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;display:inline-flex;align-items:center;gap:4px;color:var(--good)}
.vcset .st.soon{color:var(--mute)}
.vcset.open{border-color:color-mix(in srgb,var(--good) 30%,transparent)}
.vcset.open:hover{border-color:var(--good)}
.vcset.locked{border-color:var(--line)}
.vcset.locked .st{color:var(--mute)}
.vcset.locked:hover{border-color:var(--line-2)}
.vcempty{color:var(--mute);font-size:13px}
.vnote{color:var(--mute);font-size:13.5px;margin-bottom:12px}
@media (max-width:1080px){.vcgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.vcgrid{grid-template-columns:minmax(0,1fr)}}


/* ================= LEARN: walkthrough and channel videos beside each algorithm set ================= */
.learn{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:16px;margin-top:18px;align-items:start}
.learn.novid-guide,.learn.noguide-vids{grid-template-columns:minmax(0,1fr)}
.guide{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px 22px 18px;overflow:hidden}
.guide::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--c-r),var(--c-o),var(--c-y),var(--c-g),var(--c-b))}
.guide h3{font-weight:800;font-size:clamp(19px,2vw,24px);line-height:1.2;margin-top:8px;text-wrap:balance}
.gbody{margin-top:10px;color:var(--ink-2);font-size:15.5px;line-height:1.65;max-width:68ch}
.gbody p{margin-top:10px}
.gbody .gintro{color:var(--ink);margin-top:0}
.gbody h4{margin-top:22px;font-size:16px;font-weight:700;color:var(--ink)}
.gbody a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px;border-radius:4px}
.gbody a:hover{color:var(--accent)}
.gbody a.gset{text-decoration-color:var(--line-2)}
.guide[data-open="0"] .gbody{max-height:5.2em;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent)}
.guide .gmore{margin-top:14px}
.vids .eyebrow{color:var(--mute);margin:4px 0 10px}
.vidlist{display:grid;gap:8px}
.vidlist.wide{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.vid{display:grid;grid-template-columns:118px minmax(0,1fr);gap:12px;align-items:center;width:100%;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:8px;color:var(--ink);cursor:pointer;text-decoration:none;font:inherit;transition:border-color .15s,transform .1s,background .15s}
.vid:hover{border-color:var(--line-2);background:color-mix(in srgb,var(--panel) 80%,var(--line))}
.vid:active{transform:translateY(1px)}
.vid .th{position:relative;display:block;aspect-ratio:16/9;border-radius:9px;overflow:hidden;background:linear-gradient(135deg,#232A37,#12151B)}
.vid .th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.vid .th em{position:absolute;right:5px;bottom:5px;font-family:var(--f-mono);font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.04em;background:rgba(8,10,14,.86);color:var(--ink);padding:2px 6px;border-radius:5px}
.vid .playb{position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;background:var(--accent);box-shadow:0 4px 14px rgba(0,0,0,.45)}
.vid .playb::after{content:"";position:absolute;left:13px;top:10px;border-left:11px solid var(--accent-ink);border-top:7px solid transparent;border-bottom:7px solid transparent}
.vid .stack{position:absolute;inset:22% 30%;border-radius:6px;border:2px solid var(--ink-2);box-shadow:6px -6px 0 -2px var(--panel),6px -6px 0 0 var(--mute)}
.vid .vt{display:grid;gap:3px;min-width:0}
.vid .vt b{font-weight:600;font-size:14px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vid .vt small{color:var(--mute);font-size:12.5px;line-height:1.35}
.vidmore{justify-self:start;background:none;border:0;color:var(--ink-2);font:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:4px 2px;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
.vidmore:hover{color:var(--ink)}
.vid.short{grid-template-columns:56px minmax(0,1fr)}
.vid.short .th{aspect-ratio:9/16}
.vid.short .playb{width:26px;height:26px;margin:-13px 0 0 -13px}
.vid.short .playb::after{left:10px;top:7px;border-left-width:9px;border-top-width:6px;border-bottom-width:6px}
.vid.short .th em{display:none}
.pvideo h4{margin:0 0 6px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700}
.pvideo .vid{background:var(--card)}
.soonlearn{padding-bottom:72px}
.soonlearn .sec-head{margin-bottom:18px}

.viddlg{border:1px solid var(--line-2);border-radius:18px;background:var(--mid);color:var(--ink);padding:0;width:min(960px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:hidden}
.viddlg::backdrop{background:rgba(5,6,9,.78);backdrop-filter:blur(3px)}
.viddlg.short{width:min(400px,calc(100vw - 24px))}
.vidframe{aspect-ratio:16/9;background:#000}
.viddlg.short .vidframe{aspect-ratio:9/16;max-height:calc(100dvh - 110px);margin:0 auto}
.vidframe iframe{width:100%;height:100%;border:0;display:block}
.vidbar{display:flex;gap:8px;align-items:center;padding:10px 12px;border-top:1px solid var(--line)}
.vidbar b{flex:1;min-width:0;font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* tools: puzzle picker and progress headings */
.proghead{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700;margin-top:10px}
.proghead:first-child{margin-top:0}
.lockold{margin:0 0 12px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--warn) 55%,var(--line));background:color-mix(in srgb,var(--warn) 9%,transparent);border-radius:12px;font-size:14px;color:var(--ink)}
.install{margin-top:6px;padding:14px 16px;border:1px solid var(--line-2);border-radius:14px;background:var(--panel);display:grid;gap:8px;justify-items:start;max-width:340px}
.install b{color:var(--ink);font-weight:700}
.install p{color:var(--ink-2);font-size:13.5px;line-height:1.5}
/* installed as an app: no browser bars, so keep content clear of the home indicator */
html.standalone footer{padding-bottom:calc(56px + env(safe-area-inset-bottom,0px))}

@media (max-width:1080px){
  .learn{grid-template-columns:minmax(0,1fr)}
  .vidlist{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
}
@media (max-width:620px){
  .guide{padding:16px 16px 14px 18px}
  .gbody{font-size:15px}
  .vid{grid-template-columns:112px minmax(0,1fr)}
  .vidlist,.vidlist.wide{grid-template-columns:minmax(0,1fr)}
  .vidbar b{display:none}
  .vidbar{justify-content:flex-end}
}
@media print{.learn,.viddlg,.install{display:none!important}}
@media (max-width:620px){
  /* phones: videos scroll sideways so the cases stay close */
  .learn .vidlist{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:8px;padding-bottom:4px;margin-right:calc(-1 * max(20px,env(safe-area-inset-right,0px)));padding-right:20px;scrollbar-width:none}
  .learn .vidlist::-webkit-scrollbar{display:none}
  .learn .vidlist > .vid,.learn .vidrest > .vid{flex:0 0 min(86%,300px);scroll-snap-align:start}
  .learn .vidmore{flex:none;align-self:center;white-space:nowrap}
}

/* free stats page: six tiles in one row on wide screens, three on tablets */
@media (min-width:1101px){.kpis.free{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media (min-width:621px) and (max-width:1100px){.kpis.free{grid-template-columns:repeat(3,minmax(0,1fr))}}