:root{color-scheme:dark;--bg:#080d18;--panel:#101827;--water:#17243a;--line:#35445f;--text:#edf4ff;--muted:#b8c5d9;--gold:#f1d38e;--blue:#8fc6ee;--rose:#efa4bc;--danger:#f19a91}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 system-ui,"Yu Gothic",sans-serif}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:10px 15px;color:var(--text);background:var(--water)}button:disabled{opacity:.48;cursor:default}button:hover:not(:disabled){filter:brightness(1.14)}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}
header,footer{max-width:1320px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:22px 40px}header>a{display:flex;align-items:center;gap:12px}.moon{color:var(--gold);font-size:28px;line-height:1}.quiet{background:transparent;color:var(--muted);border-color:transparent}.quiet:hover{border-color:var(--line)}main{max-width:1280px;margin:auto;padding:28px 24px 48px}.intro{display:flex;justify-content:space-between;align-items:center;padding-bottom:28px}.eyebrow{font-size:12px;letter-spacing:.15em;color:var(--gold);margin:0 0 10px}h1{font-family:serif;font-size:66px;letter-spacing:.16em;font-weight:500;line-height:1.1;margin:0}h1 span{font:14px system-ui;letter-spacing:.3em;margin-left:20px;color:var(--muted)}.tagline{font-size:20px;margin:18px 0 0}.intro-note{color:var(--muted);border-left:1px solid var(--line);padding-left:30px;margin-right:6px}.setup{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;border:1px solid var(--line);padding:22px;background:var(--panel);border-radius:12px;margin-bottom:24px}.field{display:flex;flex-direction:column;gap:6px}label{color:var(--muted);font-size:13px}select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:7px;background:var(--bg);padding:8px;color:var(--text)}.start-actions{display:flex;gap:12px;grid-column:1/3}.primary{background:var(--gold);color:#101827;font-weight:700;border-color:var(--gold)}.primary span{margin-left:16px}.secondary{background:transparent}.set-note{margin:0;align-self:center;color:var(--muted);font-size:13px}
.play-layout{display:grid;grid-template-columns:minmax(0,1.52fr) minmax(330px,1fr);gap:24px;align-items:start}.arena{border:1px solid var(--line);border-radius:14px;background:radial-gradient(ellipse at 40% 50%,#172b36,#111d2d 60%,#101827);overflow:hidden;scroll-margin-top:12px}.board-heading{display:flex;justify-content:space-between;gap:12px;padding:15px 22px;color:var(--muted);font-size:13px;border-bottom:1px solid #35445f80}.turn-line{display:flex;gap:14px;align-items:start;padding:18px 22px 0;min-height:92px}.turn-line>span{font-size:24px;color:var(--gold)}.turn-line strong{font-size:16px}.turn-line p{font-size:13px;color:var(--muted);margin:4px 0}.board{padding:12px 20px 18px}.cycle-note{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#c9d8e9;border-bottom:1px solid #35445f99;padding:0 4px 13px;margin-bottom:15px;font-size:13px;flex-wrap:wrap}.cycle-note small{font-size:12px;color:var(--muted)}.ribbons{display:grid;gap:14px}.ribbon{--accent:var(--gold);background:#091420ae;border:1px solid #364b60;border-left:4px solid var(--accent);border-radius:12px;padding:12px 13px 14px;min-width:0}.ribbon.blue{--accent:var(--blue)}.ribbon.rose{--accent:var(--rose)}.ribbon.affected{box-shadow:0 0 0 2px var(--accent) inset}.ribbon-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.ribbon-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600}.ribbon-title .sigil{font-size:24px;color:var(--accent);line-height:1}.ribbon-sub{display:block;font-size:12px;color:var(--muted);font-weight:400}.multiplier{display:flex;align-items:baseline;gap:5px;color:var(--accent);white-space:nowrap}.multiplier small{font-size:12px;color:var(--muted)}.multiplier b{font:30px/1 Georgia,serif}.multiplier em{font-style:normal;font-size:13px}.multiplier .change{font-size:12px;color:var(--text);margin-left:4px}.cards{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.card{min-width:0;min-height:88px;padding:6px 3px;border:2px dashed #71859b;border-radius:10px;background:#132537;color:var(--text);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;line-height:1.13}.card .value{font:28px/1 Georgia,serif;color:var(--accent)}.card .arrow{font-size:20px;line-height:1.2;margin-top:3px}.card .destination{font-size:12px;color:var(--muted);margin-top:3px}.card .owner{position:absolute;top:5px;right:5px;font-size:11px;font-weight:700}.card.owned{border-style:solid;border-color:#4c6479;background:#0b1622;opacity:1}.card.owned.p1{border-color:#b69a5e}.card.owned.p2{border-color:#719bb5}.card.owned .value{opacity:.64}.card.owned .owner.p1{color:var(--gold)}.card.owned .owner.p2{color:var(--blue)}.card.selected,.card.cpu-preview{border:3px solid var(--gold);background:#483f2b;box-shadow:0 0 0 2px #f1d38e55}.card.cpu-preview{border-color:#edf4ff;box-shadow:0 0 0 2px #edf4ff70}.card.last{box-shadow:0 0 0 2px #dfeaf3ad}.card:disabled{opacity:1}.card.owned:disabled{cursor:default}.board-legend{display:flex;justify-content:center;flex-wrap:wrap;gap:5px 16px;padding:0 12px 17px;color:var(--muted);font-size:12px}.p1{color:var(--gold)}.p2{color:var(--blue)}
.dashboard{display:flex;flex-direction:column;gap:17px}.scoreboard{display:grid;grid-template-columns:1fr 1fr;gap:12px}.player{border:1px solid var(--line);border-radius:11px;background:var(--panel);padding:17px 16px;min-width:0}.player.active{border-color:currentColor}.player>span{font-size:13px}.player small{font-size:12px;font-weight:400;margin-left:5px}.player>strong{display:block;font-size:36px;line-height:1.3;font-weight:500;margin:8px 0 4px}.formula{display:grid;gap:3px;color:var(--muted);font-size:12px}.formula span{white-space:nowrap}.formula b{color:var(--text);font-weight:500}.decision{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:22px}.decision h2{font-family:serif;font-size:26px;line-height:1.4;margin:0 0 10px}.decision>p:not(.eyebrow){color:var(--muted);font-size:14px;margin:0 0 15px}.preview{background:var(--bg);border-radius:7px;padding:15px;font-size:13px;min-height:124px;color:var(--muted);margin-bottom:14px}.preview .effect{display:flex;justify-content:space-between;gap:8px;margin-top:7px;font-size:15px}.preview .effect b{white-space:nowrap;color:var(--text)}.preview .delta{font-size:12px;margin-left:4px}.preview .prices-change{display:block;color:var(--text);margin:7px 0}.positive{color:var(--gold)}.negative{color:var(--danger)}#confirm,#practice-next,#rematch,#result-help{width:100%;min-height:48px}#clear{margin-top:8px;width:100%;font-size:13px}.small-rule{border-top:1px solid var(--line);padding-top:15px;color:var(--muted);font-size:13px}.small-rule strong{color:var(--text);font-weight:500}.small-rule p{margin:5px 0}.history{border-top:1px solid var(--line);padding-top:13px;color:var(--muted);font-size:13px}.history summary{cursor:pointer;min-height:44px}.history ol{max-height:260px;overflow:auto;padding-left:22px;margin:0}.history li{margin:7px 0}.history small{display:block;font-size:12px;color:var(--muted)}#result-actions{display:grid;gap:12px}.result-home{font-size:13px;justify-self:center;padding:5px 10px;min-height:44px;display:flex;align-items:center;color:var(--muted)}.board-confirm{display:none}.footnotes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:42px;border-top:1px solid var(--line);padding-top:28px}.footnotes b{font-size:12px;letter-spacing:.12em;color:var(--gold);font-weight:400}.footnotes h3{font:20px serif;margin:12px 0}.footnotes p{font-size:14px;color:var(--muted);margin:0}footer{border-top:1px solid #35445f50;color:var(--muted);font-size:12px}dialog{border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);max-width:620px;width:calc(100% - 28px);padding:28px;max-height:90dvh;overflow:auto}dialog::backdrop{background:#030810c9}dialog h2{font:28px serif;line-height:1.4}dialog p,dialog li{font-size:15px}dialog li{margin:9px 0}dialog ol{padding-left:24px}dialog .close{position:absolute;top:10px;right:10px;font-size:24px;background:none;border:0;padding:2px 10px}.rule-example{background:var(--bg);border-radius:8px;padding:16px;display:grid;gap:8px}.rule-example b{color:var(--gold);font-size:21px}.rule-example span,.keyboard-note{font-size:13px;color:var(--muted)}
@media(max-width:950px){header,footer{padding:20px 24px}.play-layout{gap:18px;grid-template-columns:minmax(0,1.25fr) minmax(300px,1fr)}.player{padding:13px 12px}.decision{padding:18px}.intro-note{font-size:13px;padding-left:20px}.board{padding:12px 12px 16px}.cards{gap:4px}.card{min-height:78px}.card .value{font-size:25px}.card .destination{font-size:11px}}
@media(max-width:780px){header{padding:18px}main{padding:22px 14px 36px}.intro{padding-bottom:24px}.intro-note{display:none}h1{font-size:52px}h1 span{font-size:13px;margin-left:14px}.tagline{font-size:18px}.setup{grid-template-columns:1fr 1fr;gap:13px;padding:16px;margin-bottom:20px}.setup>.field:nth-child(3){grid-column:1/-1}.start-actions{grid-column:1/-1;gap:10px;flex-wrap:wrap}.set-note{grid-column:1/-1;font-size:12px}.play-layout{display:flex;flex-direction:column;gap:16px}.arena,.dashboard{width:100%}.board-heading{padding:12px 16px;font-size:12px}.turn-line{padding:14px 16px 0;min-height:82px}.turn-line p{font-size:12px}.board{padding:10px 12px 8px}.cycle-note{font-size:12px;margin-bottom:10px}.cycle-note small{font-size:11px}.ribbons{gap:9px}.ribbon{padding:9px 8px 10px}.ribbon-head{margin-bottom:7px}.multiplier b{font-size:25px}.card{min-height:72px}.card .value{font-size:26px}.card .arrow{font-size:18px}.card .destination{font-size:10px}.board-legend{font-size:11px;padding-bottom:10px}.board-confirm{display:grid;gap:10px;margin:0 12px 14px;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}.board-confirm small{font-size:12px;color:var(--muted)}#board-preview{display:flex;gap:14px;flex-wrap:wrap;margin-top:3px;font-size:14px}#board-preview b{font-weight:500}.board-confirm button{min-height:48px}.dashboard .decision{order:-1}.dashboard{gap:14px}.decision{padding:18px}.decision h2{font-size:24px}.preview{min-height:100px}.scoreboard{gap:12px}.player>strong{font-size:30px}.small-rule{display:none}.footnotes{grid-template-columns:1fr;gap:24px;margin-top:30px}.footnotes h3{font-size:19px}.footnotes p{font-size:14px}footer{padding:18px 16px;flex-wrap:wrap;gap:8px}}
@media(max-width:420px){.card{min-height:70px}.card .value{font-size:24px}.card .destination{font-size:10px}.ribbon-sub{font-size:10px}.ribbon-title{font-size:14px}.multiplier{gap:3px}.multiplier .change{font-size:10px;margin-left:1px}.cycle-note{gap:2px}.cycle-note small{flex-basis:100%}}
@media(min-width:481px) and (max-width:780px){.cycle-note small,.card .destination,.board-legend{font-size:12px}}
@media(max-width:780px){body.selection-open{padding-bottom:104px}.board-confirm{position:fixed;left:12px;right:12px;bottom:12px;z-index:20;grid-template-columns:minmax(0,1fr) auto;align-items:center;margin:0;background:#111d2d;border-color:var(--gold);box-shadow:0 9px 30px #000b}.board-confirm button{padding:9px 12px;font-size:13px;white-space:nowrap}#board-preview{gap:2px 10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.card.locked{border-style:solid;border-color:#526578;opacity:.7}