:root{color-scheme:dark;--bg:#151a22;--panel:#202630;--line:#39404b;--cream:#f4efd9;--muted:#a5adb8;--green:#b8e66c;--orange:#ff9b62;font-family:ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--cream);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#29312e80,transparent 60%),var(--bg)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--cream);outline-offset:5px}button{border:1px solid var(--line);background:var(--panel);border-radius:5px}button:hover{border-color:var(--cream)}button:active{transform:translateY(2px)}[hidden]{display:none!important}a{color:inherit;text-decoration:none}.shell{max-width:1320px;padding:0 44px;margin:auto}.topline{height:76px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:1px}.topline a:hover{color:var(--green)}.topline span{display:flex;align-items:center;gap:12px;color:var(--muted)}.topline i{width:7px;height:7px;background:var(--green);box-shadow:0 0 10px #b8e644}.topline b{border:1px solid var(--line);padding:3px 8px;font-weight:400}.headline{display:flex;align-items:center;justify-content:space-between;padding:34px 0 29px}.eyebrow{font:700 11px ui-monospace,monospace;letter-spacing:3px;color:var(--green);margin:0 0 12px}h1{font-size:clamp(25px,3.1vw,43px);letter-spacing:-1.5px;line-height:1.1;margin:0;font-weight:900}h1 em{font-size:.7em;display:inline-block;color:var(--orange);font-style:italic;transform:rotate(-8deg);padding:0 8px}.subtitle{font-size:20px;margin:12px 0 0;color:var(--muted);letter-spacing:3px}.sticker{font-size:12px;line-height:1.7;transform:rotate(5deg);background:var(--orange);color:#2d241d;padding:13px 20px;box-shadow:5px 5px 0 #050a11}.sticker strong{font-size:20px}.setup-grid{display:grid;grid-template-columns:320px 1fr;gap:30px}.section-label{font-size:13px;display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-weight:700;letter-spacing:1px}.section-label small{font-size:11px;color:var(--muted);font-weight:400}.character-list{position:relative;display:grid;gap:14px}.character{width:100%;text-align:left;position:relative;min-height:192px;display:flex;align-items:center;padding:15px 14px 6px 0;overflow:hidden;border:2px solid var(--line);background:linear-gradient(110deg,#313e38,var(--panel) 70%)}.character.kaka{background:linear-gradient(110deg,#49352e,var(--panel) 70%)}.character.selected{border-color:var(--green);box-shadow:4px 4px 0 #080d14}.character.kaka.selected{border-color:var(--orange)}.character canvas{width:125px;height:150px;object-fit:contain;image-rendering:pixelated;flex-shrink:0}.character-copy{display:grid;gap:9px}.character-copy small{font:700 10px ui-monospace,monospace;letter-spacing:1px;color:var(--muted)}.character-copy strong{font-size:19px}.character-copy>span{font-size:11px;color:var(--muted)}.pick-label{position:absolute;top:10px;left:12px;font-size:10px;color:var(--muted)}.selected .pick-label{color:var(--green)}.kaka.selected .pick-label{color:var(--orange)}.check{display:none;position:absolute;right:12px;top:10px;color:var(--green);font-weight:900}.selected .check{display:block}.kaka .check{color:var(--orange)}.versus{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-8deg);z-index:1;background:var(--bg);border:1px solid var(--line);padding:3px 10px;font:900 18px ui-monospace,monospace;color:var(--orange)}.fair-note{color:var(--muted);font-size:11px;text-align:center;margin:19px 0 0}.preview{aspect-ratio:16/9;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:5px;background:#283e50}.preview canvas{display:block;width:100%;height:100%;image-rendering:pixelated}.preview:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#101720d9);pointer-events:none}.preview-caption{position:absolute;bottom:20px;left:23px;display:grid;gap:5px;z-index:1}.preview-caption span{font:700 10px ui-monospace,monospace;letter-spacing:2px;color:var(--green)}.preview-caption strong{font-size:26px}.preview-caption small{font-size:12px;color:#d6dfdf}.preview-tag{position:absolute;top:14px;right:14px;padding:5px 9px;background:#11192390;font-size:10px;border:1px solid #ffffff30}.map-list{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:12px}.map-card{padding:0;overflow:hidden;text-align:left;border:2px solid var(--line)}.map-card canvas{width:100%;height:auto;aspect-ratio:16/9;display:block;image-rendering:pixelated}.map-card span{display:block;padding:8px 5px;font-size:11px;text-align:center;white-space:nowrap}.map-card[aria-pressed=true]{border-color:var(--green)}.launch{border-top:1px solid var(--line);padding-top:22px;margin-top:25px;display:flex;justify-content:space-between;align-items:center;gap:20px}.keys{display:flex;gap:22px;color:var(--muted);font-size:12px;flex-wrap:wrap}.keys>span{display:flex;align-items:center;gap:5px}kbd{font:700 12px ui-monospace,monospace;min-width:25px;height:26px;display:inline-grid;place-items:center;border:1px solid #535b67;box-shadow:0 2px 0 #050a11;border-radius:3px;color:var(--cream);background:var(--panel)}.primary{background:var(--green);border-color:var(--green);color:#1b2917;padding:15px 24px;font-size:17px;font-weight:800;box-shadow:4px 4px 0 #080d14;min-width:240px;display:flex;justify-content:space-between;gap:35px;align-items:center}.primary:hover{background:#cff58e;border-color:#cff58e}footer{display:flex;justify-content:space-between;gap:12px;color:#818c9a;font-size:10px;padding:26px 0 20px}footer b{font-weight:400;margin-left:10px}#battle{padding-top:20px}.battle-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.battle-toolbar button{padding:8px 13px;font-size:12px}.battle-toolbar>span{font-size:12px;color:var(--muted)}.battle-toolbar>div{display:flex;gap:8px}.arena{position:relative;border:2px solid #525966;border-radius:6px;overflow:hidden;background:#192935}.arena>canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;image-rendering:pixelated;touch-action:none;outline-offset:-4px}.hud{position:absolute;top:20px;left:24px;right:24px;display:grid;grid-template-columns:1fr 64px 1fr;gap:20px;z-index:1;pointer-events:none}.health>div:first-child{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px;text-shadow:1px 2px #10161d}.health strong{font-size:17px}.health span{font-size:10px}.bar{height:25px;position:relative;background:#171e2ce6;border:2px solid #e4e9e4;box-shadow:2px 2px 0 #10151d;overflow:hidden}.bar i{position:absolute;inset:0;background:var(--green);transform-origin:left;transition:transform .08s linear}.enemy .bar i{background:var(--orange);transform-origin:right}.bar b{position:absolute;inset:0;text-align:center;color:#fff;font:700 11px/21px ui-monospace,monospace;text-shadow:1px 1px 2px #111}.round{text-align:center;display:grid;align-content:center;gap:5px}.round strong{font:900 italic 24px ui-monospace,monospace;color:var(--orange);text-shadow:2px 2px #111}.round span{font:12px ui-monospace,monospace}.countdown{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;font-size:70px;font-weight:900;color:var(--cream);text-shadow:5px 5px 0 #132335}.overlay{position:absolute;inset:0;background:#0b1424b5;display:grid;place-items:center;z-index:3;padding:15px}.result-card{text-align:center;background:var(--panel);border:2px solid var(--cream);box-shadow:8px 8px 0 #0b111b;padding:30px 40px;min-width:320px;max-width:100%}.result-card h2{font-size:36px;margin:8px 0 15px}.result-card>p:not(.eyebrow){color:var(--muted);font-size:13px;margin-bottom:24px}.result-card button{margin:10px auto 0}.result-card>button:last-child{padding:10px 20px;font-size:12px}.battle-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:17px;gap:12px}.battle-bottom>span{font-size:11px;color:var(--muted)}.touch-controls{display:none;justify-content:space-between;margin-top:20px;gap:10px}.touch-controls>div{display:flex;gap:8px}.touch-controls button{min-width:56px;min-height:48px;padding:10px 17px;touch-action:none;user-select:none}.touch-controls [data-control=attack]{background:var(--orange);color:#26180e;border-color:var(--orange)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:1000px){.shell{padding:0 24px}.setup-grid{grid-template-columns:270px 1fr;gap:20px}.character{min-height:168px}.character canvas{width:102px;height:137px}.character-copy strong{font-size:16px}.character-copy>span{font-size:10px}.map-list{grid-template-columns:repeat(3,1fr)}.map-card canvas{max-height:55px;object-fit:cover}.preview-caption{bottom:12px;left:16px}.preview-caption strong{font-size:21px}}
@media(max-width:700px){.shell{padding:0 16px}.topline{height:57px;font-size:10px}.topline span{gap:7px}.headline{padding:25px 0}.sticker{display:none}.subtitle{font-size:16px}.setup-grid{grid-template-columns:1fr;gap:22px}.character-list{grid-template-columns:1fr 1fr;gap:12px}.character{display:grid;justify-items:center;text-align:center;padding:25px 6px 15px;min-height:220px}.character canvas{height:110px;width:110px}.character-copy{gap:6px}.character-copy>span{font-size:10px}.versus{left:50%;top:44%}.fair-note{margin-top:12px}.preview-caption strong{font-size:23px}.map-card canvas{max-height:none}.launch{align-items:stretch;flex-direction:column;margin-top:20px}.keys{gap:16px;font-size:11px}.primary{width:100%;justify-content:center}.launch .primary{justify-content:space-between}.battle-toolbar{flex-wrap:wrap}.battle-toolbar>span{order:3;flex-basis:100%;text-align:center}.battle-toolbar button{padding:8px 9px;font-size:10px}.hud{top:10px;left:10px;right:10px;gap:8px;grid-template-columns:1fr 36px 1fr}.health strong{font-size:12px}.health span{font-size:8px}.bar{height:17px}.bar b{font-size:8px;line-height:13px}.round strong{font-size:18px}.round span{font-size:9px}.countdown{font-size:44px}.battle-bottom{align-items:flex-start;flex-direction:column}.touch-controls{display:flex}.result-card{padding:17px;min-width:0;width:min(360px,100%)}.result-card h2{font-size:25px;margin:6px 0}.result-card>p:not(.eyebrow){margin:9px 0;font-size:11px}.result-card .eyebrow{font-size:9px;margin:0}.result-card button{padding:10px;min-width:0;font-size:13px}.result-card>button:last-child{margin-top:8px;padding:8px;font-size:11px}footer{flex-wrap:wrap;font-size:9px}}
@media(pointer:coarse){.touch-controls{display:flex}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}button:active{transform:none}}

/* v0.2 arcade versus modes, room lobby and round HUD. */
:root{--green:#b9e96f;--orange:#ff9763}
.mode-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 25px}
.mode-list button{padding:17px 19px;text-align:left;display:grid;grid-template-columns:35px 1fr;gap:3px 10px;align-items:center;background:linear-gradient(120deg,#292f39,#1c222c)}
.mode-list b{grid-row:span 2;font:900 italic 24px ui-monospace,monospace;color:#687584}.mode-list strong{font-size:16px}.mode-list small{color:var(--muted);font-size:11px}
.mode-list [aria-pressed=true]{border-color:var(--orange);box-shadow:inset 0 -3px var(--orange)}.mode-list [aria-pressed=true] b{color:var(--orange)}
.seat-switch{display:flex;gap:8px;margin-bottom:12px}.seat-switch button{padding:7px 13px;font-size:11px;flex:1}.seat-switch [aria-pressed=true]{background:var(--green);color:#213018}.seat-switch button:disabled{opacity:.4;cursor:default}
.fair-note{line-height:1.9}.fair-note #lineup{color:var(--cream);font-weight:700;font-size:13px}.character:disabled,.map-card:disabled{cursor:default;transform:none}
.network-panel{padding:20px;background:#232c39;border:1px solid #57697a;border-left:4px solid var(--orange);margin:0 0 25px;border-radius:5px}.network-heading{display:flex;gap:20px;align-items:baseline;flex-wrap:wrap}.network-heading strong{color:var(--orange)}.network-heading span{font-size:12px;color:var(--muted)}.room-actions{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.network-panel button{padding:10px 16px;font-size:12px}.network-panel button:disabled{opacity:.45;cursor:default}.room-actions form{display:flex;gap:10px;flex:1}.network-panel input{font:12px ui-monospace,monospace;background:#161e2a;color:var(--cream);border:1px solid #57697a;padding:10px;min-width:0;border-radius:4px}.room-actions input{flex:1;min-width:180px}#networkStatus{color:var(--green);font-size:12px;margin-bottom:0;overflow-wrap:anywhere}#roomDetails{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px}#roomDetails label{font-size:11px;display:flex;gap:10px;align-items:center;flex:1;min-width:240px}#inviteLink{flex:1}#readyNetwork{background:var(--green);color:#213018;border-color:var(--green);font-weight:800}#readyStatus{font-size:11px;color:var(--muted)}.control-summary>p{font-size:11px;color:var(--orange);line-height:1.8;margin:12px 0 0}.keys{gap:12px}.keys kbd{min-width:22px;height:24px}.connection-status{margin:0 0 12px;color:var(--green);font-size:12px}
.fighter-stats{display:flex;justify-content:space-between;align-items:center;font:10px ui-monospace,monospace;margin:7px 0 5px;text-shadow:1px 1px #111}.fighter-stats .wins{color:#ffe097;font-size:18px;letter-spacing:4px}.power{height:6px;border:1px solid #98b1c3;background:#152136d9}.power i{display:block;background:#81d8f2;height:100%;width:0}.power.full i{background:#fff1a4;box-shadow:0 0 8px #ffdf75}.round{align-content:start;gap:4px}.round #elapsed{font-size:42px;color:#fff1bd;line-height:1;font-style:normal}.round>span{font-size:8px}.countdown{font-style:italic;letter-spacing:3px;white-space:pre-line;text-align:center;font-size:58px;background:linear-gradient(transparent 25%,#0d173625,transparent 75%)}.countdown:empty{background:none}.round-message{position:absolute;bottom:21px;left:10px;right:10px;text-align:center;color:#fff3cd;font-size:19px;font-weight:900;text-shadow:2px 2px #122}.round-message:empty{display:none}.arena:after{content:'';position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(transparent 0 3px,#00000008 3px 4px)}.overlay{z-index:4}.result-card{min-width:360px}.result-card h2{color:#ffe19c}.touch-controls>div{flex-wrap:wrap}.touch-controls button{font-size:12px;min-width:50px;padding:10px 12px}
@media(max-width:700px){.mode-list{gap:7px}.mode-list button{padding:12px 8px;display:block}.mode-list b{font-size:16px;display:block;margin-bottom:5px}.mode-list strong{display:block;font-size:13px}.mode-list small{display:block;font-size:9px;margin-top:5px}.network-panel{padding:15px}.room-actions form{flex-wrap:wrap}.room-actions input{width:100%}.network-heading{gap:8px}.network-heading span{line-height:1.8}#roomDetails label{min-width:100%;flex-basis:100%}#roomDetails button{flex:1}.fighter-stats{font-size:7px;margin:3px 0}.fighter-stats .wins{font-size:11px}.power{height:4px}.round #elapsed{font-size:25px}.round>span{font-size:6px}.countdown{font-size:31px}.round-message{font-size:12px;bottom:10px}.result-card{min-width:0}.touch-controls{flex-wrap:wrap}.touch-controls>div:last-child{justify-content:flex-end;flex:1}.keys{gap:9px}.battle-bottom .keys{font-size:10px}#battleKeys{line-height:1.9}}

.difficulty-panel{margin:0 0 28px}.difficulty-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.difficulty-list button{padding:14px 16px;text-align:left;display:grid;gap:6px;min-height:74px}.difficulty-list strong{font-size:16px}.difficulty-list small{font-size:11px;color:var(--muted);line-height:1.6}.difficulty-list [aria-pressed="true"]{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#2b3930}.difficulty-list [data-difficulty="hard"][aria-pressed="true"]{border-color:var(--orange);box-shadow:inset 0 0 0 1px var(--orange);background:#40322d}@media(max-width:700px){.difficulty-list{gap:7px}.difficulty-list button{padding:12px 9px}.difficulty-list strong{font-size:14px}.difficulty-list small{font-size:10px}.difficulty-panel .section-label{letter-spacing:0}.difficulty-panel .section-label small{font-size:10px}}