@font-face{font-family:"Open Sauce Two";src:url(/assets/fonts/OpenSauceTwo-Regular.ttf);font-weight:400;font-display:swap}
@font-face{font-family:"Open Sauce Two";src:url(/assets/fonts/OpenSauceTwo-Medium.ttf);font-weight:500;font-display:swap}
@font-face{font-family:"Open Sauce Two";src:url(/assets/fonts/OpenSauceTwo-SemiBold.ttf);font-weight:600;font-display:swap}
@font-face{font-family:"Open Sauce Two";src:url(/assets/fonts/OpenSauceTwo-Bold.ttf);font-weight:700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/JetBrainsMono-Regular.woff2);font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/JetBrainsMono-Medium.woff2);font-weight:500;font-display:swap}
:root{--bg:#F9F9FA;--panel:#FDFDFD;--ink:#0A0C11;--muted:#5B616D;--line:#DDDFE4;--line2:#C3C6CC;--coral:#D44027;--coral-ink:#BB3822;--coral-50:#FCF4F2;--coral-100:#FAE8E5;--dark:#1B202A;--mono:"JetBrains Mono",ui-monospace,monospace}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#1B202A;--panel:#232937;--ink:#FDFDFD;--muted:#8A909C;--line:#2C3342;--line2:#3A4254;--coral-ink:#E07563;--coral-50:#2A2426;--coral-100:#3A2A2A}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.55 "Open Sauce Two",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration-color:var(--line2);text-underline-offset:3px}
a:hover{text-decoration-color:var(--coral)}
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px max(16px,calc((100vw - 1180px)/2));background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:saturate(1.2);border-bottom:1px solid var(--line)}
.brand{font:600 18px/1 var(--mono);letter-spacing:-.02em;text-decoration:none;display:flex;align-items:center;gap:10px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--coral)}
nav{display:flex;gap:18px;font-size:15px;color:var(--muted);flex-wrap:wrap}
nav a{text-decoration:none}nav a:hover{color:var(--ink)}
main{max-width:1180px;margin:0 auto;padding:0 16px}
section{padding:72px 0 8px}
h1{font-weight:600;font-size:clamp(44px,7vw,88px);line-height:1;letter-spacing:-.035em;margin:12px 0 20px}
h1 em{font-style:normal;color:var(--coral-ink)}
h2{font-weight:600;font-size:32px;letter-spacing:-.02em;margin:0 0 8px}
h3{font-weight:600;font-size:18px;margin:20px 0 6px}
.kicker{font:500 13px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0}
.lede{font-size:19px;color:var(--muted);max-width:56ch;margin:0}
.stats{font:500 14px/1.6 var(--mono);color:var(--muted);margin-top:22px}
.stats b{color:var(--ink);font-weight:500}
.sub{color:var(--muted);max-width:75ch;margin:0 0 24px}
.hero{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;padding-top:56px}
@media (max-width:860px){.hero{grid-template-columns:1fr}}
/* player */
.player{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.screen{position:relative;aspect-ratio:16/9;background:#F9F9FA;overflow:hidden}
.screen img,.screen iframe{position:absolute;left:0;top:0;border:0}
.screen img{width:100%;height:100%;object-fit:cover}
.screen iframe{width:1920px;height:1080px;transform-origin:0 0;pointer-events:none}
.screen{cursor:pointer}
.player:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.screen .load{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:transparent;border:0;cursor:pointer;pointer-events:none}
.screen .load span{width:56px;height:56px;border-radius:50%;background:var(--coral);display:flex;align-items:center;justify-content:center}
.screen .load span::after{content:"";border-left:16px solid #FDFDFD;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.ctrl{display:flex;align-items:center;gap:10px;padding:8px 10px;border-top:1px solid var(--line)}
.ctrl button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;font:500 13px var(--mono)}
.ctrl input[type=range]{flex:1;accent-color:var(--coral)}
.ctrl .t{font:400 12px var(--mono);color:var(--muted);min-width:64px;text-align:right}
.caption{font:400 13px/1.4 var(--mono);color:var(--muted);margin-top:8px}
/* leaderboard */
.board{display:grid;gap:2px}
.row{display:grid;grid-template-columns:28px minmax(160px,1.3fr) minmax(100px,1.4fr) 72px 58px 58px 64px 58px 58px 58px;gap:14px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line)}
.row.head{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom-color:var(--line2)}
.rank{font:500 14px var(--mono);color:var(--muted)}
.name b{font-weight:600}.name small{display:block;color:var(--muted);font-size:13px}
.harness{font:400 13px var(--mono);color:var(--muted)}
.bar{position:relative;height:22px}
.bar .fill{position:absolute;left:0;top:5px;height:12px;border-radius:6px;background:var(--ink)}
.row:first-of-type+.row .bar .fill{background:var(--coral)}
.bar .ci{position:absolute;top:10px;height:2px;background:var(--muted)}
.bar .ci::before,.bar .ci::after{content:"";position:absolute;top:-4px;width:1px;height:10px;background:var(--muted)}
.bar .ci::before{left:0}.bar .ci::after{right:0}
.num{font:500 15px var(--mono);text-align:right}
.num small{display:block;font-size:11px;color:var(--muted);font-weight:400}
@media (max-width:860px){.row{grid-template-columns:22px 1fr 64px;row-gap:4px}.row .opt{display:none}.row .num.craft{grid-column:3;grid-row:1}.row .bar{grid-column:2/4;grid-row:2}.row.head .bar{display:none}.board.settled .row .num.overall{display:block;grid-column:3;grid-row:1}.board.settled .row .num.craft{display:none}}
/* matrix */
.matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.matrix{border-collapse:collapse;width:100%;font:400 13px var(--mono)}
.matrix th,.matrix td{padding:9px 10px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}
.matrix th{font-weight:500;color:var(--muted);font-size:12px}
.matrix td:first-child,.matrix th:first-child{text-align:left;position:sticky;left:0;background:var(--panel)}
.matrix td.cell{cursor:pointer}
.matrix tr.track td{font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);text-align:left;background:var(--bg)}
/* gallery */
.task-pick{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.task-pick button{font:400 13px var(--mono);padding:7px 11px;border-radius:1000px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.task-pick button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.task-head{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start;margin-bottom:16px}
.task-head h3{font-size:24px;margin:0}
.task-head .principle{font:400 13px var(--mono);color:var(--coral-ink)}
.task-head details{grid-column:1/-1;color:var(--muted);font-size:15px}
.task-head details pre{white-space:pre-wrap;font:400 13px/1.55 var(--mono);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;color:var(--ink)}
.attempts{display:flex;gap:4px}
.attempts button{font:500 12px var(--mono);width:34px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.attempts button[aria-pressed=true]{border-color:var(--coral);color:var(--coral-ink)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.tile .meta{display:flex;justify-content:space-between;align-items:baseline;margin:10px 2px 4px}
.tile .meta b{font-weight:600}
.score{font:500 14px var(--mono)}
.score.full{color:var(--ink)}.score.miss{color:var(--coral-ink)}
.fails{list-style:none;padding:0;margin:4px 2px 0;font:400 12px/1.5 var(--mono);color:var(--muted)}
.fails li::before{content:"✗ ";color:var(--coral)}
.fails li.ok::before{content:"✓ ";color:var(--muted)}
.method .cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media (max-width:760px){.method .cols{grid-template-columns:1fr}}
.method p{color:var(--muted);margin:0 0 8px}
.fine{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:24px}
footer{max-width:1180px;margin:72px auto 0;padding:24px 16px 48px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14px}

/* frontier */
.frontier{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 16px 6px;margin-bottom:28px}
.fhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{font:500 12px var(--mono);padding:7px 12px;border:0;background:transparent;color:var(--muted);cursor:pointer}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.key{display:flex;gap:16px;font:400 12px var(--mono);color:var(--muted);flex-wrap:wrap}
.key span{display:inline-flex;align-items:center;gap:6px}
.key i{display:inline-block;width:9px;height:9px;background:var(--ink)}
.key .m-cc{border-radius:50%}.key .m-cx{border-radius:1px}
.key .m-fr{width:16px;height:2px;background:var(--coral)}
.chart{position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart .grid line{stroke:var(--line);stroke-width:1}
.chart .axis text{font:400 11px var(--mono);fill:var(--muted)}
.chart .axis .title{font:500 12px var(--mono);fill:var(--muted)}
.chart .pt{fill:var(--ink);stroke:var(--panel);stroke-width:2}
.chart .pt.front{fill:var(--coral)}
.chart .lbl{font:500 12px "Open Sauce Two",sans-serif;fill:var(--ink)}
.chart .lbl.dim{fill:var(--muted);font-weight:400}
.chart .hit{fill:transparent;cursor:default}
.chart .ci{stroke:var(--muted);stroke-width:1}
.chart .fr{fill:none;stroke:var(--coral);stroke-width:2;stroke-linejoin:round}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--bg);font:400 12px/1.5 var(--mono);padding:8px 10px;border-radius:8px;white-space:nowrap;z-index:2}
.tip b{font-weight:500}
.board .row .num.small{font-size:14px}

.prelim{border:1px solid var(--coral);background:var(--coral-50);border-radius:12px;padding:14px 16px;margin:0 0 24px;font-size:15px;color:var(--ink)}
.prelim b{color:var(--coral-ink)}
/* vote */
.vote-head{padding-top:40px}
.vote-head details{color:var(--muted);font-size:15px;margin-bottom:8px}
.vote-head details pre{white-space:pre-wrap;font:400 13px/1.55 var(--mono);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;color:var(--ink);max-height:320px;overflow:auto}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:16px}
@media (max-width:760px){.duo{grid-template-columns:1fr}}
.side{position:relative}
.side .screen{position:relative;aspect-ratio:16/9;background:#F9F9FA;border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:pointer}
.side .tag{position:absolute;z-index:2;left:10px;top:10px;font:500 13px var(--mono);background:var(--ink);color:var(--bg);border-radius:6px;padding:3px 8px}
.reveal{font:500 14px var(--mono);margin-top:8px;min-height:20px}
.duo-ctrl{display:flex;align-items:center;gap:10px;margin:14px 0}
.duo-ctrl button{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.duo-ctrl input{flex:1;accent-color:var(--coral)}
.duo-ctrl .t{font:400 12px var(--mono);color:var(--muted);min-width:56px;text-align:right}
.choices,.after{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 4px}
.choices button,.after button{font:500 15px "Open Sauce Two",sans-serif;padding:12px 18px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.choices button:hover,.after button:hover{border-color:var(--coral)}
.choices button[data-c=tie]{color:var(--muted)}
kbd{font:400 11px var(--mono);border:1px solid var(--line2);border-radius:4px;padding:1px 5px;margin-left:6px;color:var(--muted)}
.after p{width:100%;margin:0;color:var(--muted)}
.choices[hidden],.after[hidden]{display:none}

.ctrl .fs{margin-left:2px}
.screen:fullscreen{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;background:#000}
.screen:fullscreen img{object-fit:contain}
.side .fs1{position:absolute;z-index:2;right:10px;top:10px;font:500 13px var(--mono);background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:2px 7px;cursor:pointer}
.duo-ctrl #fsboth{width:auto;padding:0 10px;font:500 12px var(--mono)}
.duo:fullscreen{background:#000;padding:16px;gap:12px;align-content:center}
.duo:fullscreen .side .screen{border-radius:6px}
.duo:fullscreen .reveal{color:#FDFDFD}
.side .screen:fullscreen{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;background:#000}

.board.settled .row{grid-template-columns:28px minmax(160px,1.3fr) minmax(80px,1fr) 64px 72px 58px 58px 58px 64px 58px 58px 58px}
@media (max-width:860px){.board.settled .row{grid-template-columns:22px 1fr 64px}}