:root{--bg:#070c12;--panel:#0d151e;--line:#23333f;--text:#eef5fa;--muted:#7c929f;--cyan:#20d9ff;--orange:#ff9c32}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:16px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;background:transparent;border:1px solid var(--line);transition:background .15s,border-color .15s,transform .15s}button:hover{border-color:#6c8b9b;background:#172832}button:active{transform:translateY(1px)}button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}#app{max-width:1480px;margin:auto;padding:0 44px}header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{font-size:25px;font-weight:900;letter-spacing:-1px;display:flex;align-items:center;gap:5px}.wordmark>span:not(.logo-icon){color:var(--cyan)}.wordmark .logo-icon{font-size:32px;letter-spacing:7px;margin-right:10px;color:var(--cyan);transform:skew(-12deg)}.wordmark small{font-size:11px;letter-spacing:2px;color:var(--muted);margin-left:17px;padding-left:17px;border-left:1px solid var(--line)}.header-actions{display:flex;gap:12px}.quiet{border:0;font-size:14px;color:#b7c8d1}.icon{height:38px;width:40px;font-size:23px}.arena-toolbar{display:flex;justify-content:space-between;margin:28px 0 15px;font:12px monospace;letter-spacing:1.5px;color:#a3b4bd}.arena-toolbar>div{display:flex;align-items:center;gap:12px}.live-dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 9px var(--cyan)}.divider,.muted,#sponsorLabel span{color:var(--muted)}.arena{border:1px solid #334858;background:#0b1119;position:relative;box-shadow:0 20px 70px #0008;padding:0 22px}.scoreboard{display:flex;justify-content:center;gap:62px;align-items:center;height:111px}.player{display:flex;gap:3px;flex-direction:column;align-items:center;min-width:120px}.player small{font:11px monospace;letter-spacing:2px;color:#a6b6c0}.player strong{font:700 43px monospace;letter-spacing:3px}.cyan strong{color:var(--cyan);text-shadow:0 0 20px color-mix(in srgb,var(--cyan),transparent 60%)}.orange strong{color:var(--orange);text-shadow:0 0 20px color-mix(in srgb,var(--orange),transparent 60%)}.player>span{font:10px monospace;letter-spacing:2px;color:var(--muted);height:12px}.clock{text-align:center;display:flex;flex-direction:column;gap:5px}.clock>small{font:10px monospace;color:var(--muted);letter-spacing:2px}.clock>strong{font:25px monospace;letter-spacing:3px}.clock>span{font:9px monospace;letter-spacing:1.2px;color:var(--cyan)}.field{position:relative;aspect-ratio:2/1;border:1px solid #2f5261;box-shadow:0 0 0 5px #05090e,0 0 0 6px #253848;background:#070f16;overflow:hidden}canvas{width:100%;height:100%;display:block;touch-action:none}.field-corners{position:absolute;inset:0;pointer-events:none;border:2px solid #20d9ff26}.arena-bottom{height:56px;display:flex;align-items:center;justify-content:space-between;font:11px monospace;letter-spacing:1px}.arena-bottom button{border:0;font-size:12px;color:#9fb4c1;padding:12px}.arena-bottom kbd{border:1px solid #334551;border-radius:3px;padding:3px 5px;color:#b8d2de;font-size:10px}.overlay{position:absolute;inset:0;background:#050b12bf;backdrop-filter:blur(7px);display:flex;justify-content:center;align-items:center;padding:15px;z-index:3;overflow:auto}.start-card{width:480px;max-width:100%;text-align:center}.eyebrow{font:10px monospace;color:var(--cyan);letter-spacing:2.8px}h1{font-size:58px;font-weight:900;letter-spacing:-3px;margin:12px 0 5px;line-height:1}h1 span{color:var(--cyan)}.intro{font-size:14px;color:#a9bac6;margin:10px 0 23px}.setup{text-align:left}fieldset{border:0;margin:0 0 14px;padding:0}legend,.select-row label{font:10px monospace;letter-spacing:1.1px;color:#8198a7;margin-bottom:8px}.segmented{display:flex;gap:6px}.segmented button{flex:1;padding:11px 5px;font-size:13px;font-weight:bold;background:#0d1a24}.segmented .selected{background:#153542;color:var(--cyan);border-color:#27839c;box-shadow:inset 0 -2px var(--cyan)}.select-row{display:flex;gap:14px;margin-bottom:17px}.select-row label{flex:1;display:flex;flex-direction:column;gap:8px;margin:0}select{width:100%;padding:9px 8px;color:#d6e4ee;background:#0d1a24;border:1px solid #304651;font-size:13px;border-radius:0}.primary{background:var(--cyan);color:#021019;border:1px solid var(--cyan);font-size:13px;font-weight:800;letter-spacing:1.5px;width:100%;padding:15px 18px;display:flex;justify-content:center;align-items:center;gap:25px}.primary:hover{background:#91eeff;border-color:#91eeff}.control-hint{font:11px monospace;color:#97b0bf;margin:14px 0 0}.modal-card{width:410px;max-width:100%;text-align:center}.modal-card h2{font-size:30px;letter-spacing:-.8px;margin:15px 0}.modal-card p{color:#9fb4c1;font-size:14px;line-height:1.5}.secondary{width:100%;padding:12px;margin-top:9px;font:11px monospace;letter-spacing:1px;color:#a3bdcd}.result-score{font:700 55px monospace;margin:15px 0;color:var(--cyan)}.prize{background:#113729;border:1px solid #42c47c;padding:15px;color:#91ebb9;line-height:1.5;margin-bottom:18px}.prize strong{display:block;font:700 22px monospace;margin-top:6px}.toast{position:absolute;top:22px;left:50%;transform:translateX(-50%);font:700 13px monospace;letter-spacing:2px;padding:11px 18px;background:#061019dd;border:1px solid var(--cyan);white-space:nowrap;pointer-events:none;opacity:0;z-index:2}.toast.visible{opacity:1}.countdown{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;font:800 100px monospace;color:#fff;text-shadow:0 0 40px var(--cyan);z-index:2}.below-arena{margin:28px 0 24px}.section-label{font:10px monospace;color:var(--muted);letter-spacing:1.6px;display:flex;gap:16px;align-items:center}.section-label span{color:#d2e0e7}.boosters{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}.booster{display:flex;gap:13px;align-items:center;text-align:left;background:#0d151e;padding:17px 14px;border-color:#243442;position:relative}.booster b{font:700 12px monospace;letter-spacing:1.8px;display:block;margin-bottom:7px}.booster small{font-size:12px;color:#879eac;display:block}.boost-icon{font-size:31px;display:flex;width:35px;justify-content:center}.ice{color:#95e5ff}.speed{color:#ffc847}.multi{color:#ba95ff}.acid{color:#97ff47}.boost-index{position:absolute;right:9px;top:8px;font:9px monospace;color:#48606e}.helper{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8097a5;align-items:center;line-height:1.5}.switch{display:flex;align-items:center;gap:9px;cursor:pointer;white-space:nowrap}.switch input{position:absolute;opacity:0}.switch>span{width:26px;height:14px;border:1px solid #526372;border-radius:9px;position:relative}.switch>span:after{content:'';position:absolute;left:3px;top:3px;width:6px;height:6px;background:#687f8d;border-radius:50%}.switch input:checked+span{background:#123c4b;border-color:var(--cyan)}.switch input:checked+span:after{left:15px;background:var(--cyan)}.switch input:focus-visible+span{outline:2px solid var(--cyan);outline-offset:4px}.lab-hint{font-size:12px;color:var(--cyan)}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:24px 0;font:10px monospace;letter-spacing:1.2px;color:#68808f}footer a{color:#acbfcb}.hidden{display:none!important}dialog{background:#101b26;color:var(--text);border:1px solid #3a566b;width:470px;max-width:calc(100% - 30px);padding:28px;box-shadow:0 20px 70px #0008}dialog::backdrop{background:#000a;backdrop-filter:blur(8px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{font-size:24px;margin:9px 0}dialog p{font-size:14px;color:#94acbc;line-height:1.6}dialog label{display:flex;flex-direction:column;gap:8px;font-size:13px;margin:16px 0}dialog input{width:100%;background:#08111a;color:#e5f1f9;border:1px solid #344e63;padding:10px;min-height:42px}.color-row{display:flex;gap:16px}.color-row label{flex:1}.color-row input{padding:4px}.disclaimer{font-size:12px!important}.arena:fullscreen{display:flex;flex-direction:column;width:100vw;height:100dvh;padding:0 12px;justify-content:center;background:#050a10}.arena:fullscreen .field{width:min(100%,calc((100dvh - 150px)*2));margin:auto;flex-shrink:0}.arena:fullscreen .scoreboard{height:90px;flex-shrink:0}.arena:fullscreen .arena-bottom{height:48px;flex-shrink:0}.fullscreen-fallback{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;z-index:100!important;display:flex;flex-direction:column;justify-content:center;padding:0 10px!important}.fullscreen-fallback .field{width:min(100%,calc((100dvh - 150px)*2));margin:0 auto}.fullscreen-fallback .scoreboard{height:90px}.fullscreen-fallback .arena-bottom{height:48px}
@media(min-width:1500px){.field{aspect-ratio:2.15/1}}@media(max-width:1000px){#app{padding:0 24px}.scoreboard{height:95px}.field{aspect-ratio:1.7/1}.booster{padding:14px 10px;gap:8px}.booster small{font-size:11px}.start-card{width:420px}h1{font-size:46px}.intro{margin-bottom:15px}.helper{font-size:11px}}
@media(max-width:650px){#app{padding:0 12px}header{height:72px}.wordmark{font-size:21px}.wordmark small{display:none}.wordmark .logo-icon{font-size:26px;margin-right:4px}.header-actions{gap:5px}.quiet{font-size:19px;padding:7px}.quiet span{display:none}.icon{width:34px;height:34px}.arena-toolbar{margin:18px 0 12px;font-size:10px;letter-spacing:.5px}.arena-toolbar>div{gap:7px}#sponsorLabel{max-width:45%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}#sponsorLabel span{display:none}.arena{padding:0 10px}.scoreboard{gap:24px;height:92px}.player{min-width:75px}.player strong{font-size:33px}.player small{font-size:9px;letter-spacing:.5px}.player>span{font-size:8px;letter-spacing:.5px}.clock>strong{font-size:21px}.clock>small{letter-spacing:.5px;font-size:9px}.clock>span{font-size:8px}.field{aspect-ratio:auto;height:450px}.start-card{width:340px}.eyebrow{font-size:9px}h1{font-size:42px;margin-top:14px}.intro{font-size:12px;margin-bottom:22px}.setup legend,.select-row label{font-size:10px}.segmented button{font-size:13px;padding:12px 4px}.select-row{gap:10px}.select-row label{letter-spacing:0}.primary{padding:15px 10px;font-size:12px}.control-hint{font-size:10px;line-height:1.5}.arena-bottom{height:52px;font-size:9px;letter-spacing:0}.arena-bottom .muted{display:none}.arena-bottom button{padding:8px;font-size:10px}.boosters{grid-template-columns:1fr 1fr;gap:8px}.booster{padding:16px 10px}.booster b{font-size:11px;letter-spacing:1px}.booster small{font-size:11px}.helper{align-items:flex-start;flex-direction:column;gap:14px}.section-label{font-size:9px}.below-arena{margin-top:22px}footer{font-size:8px;letter-spacing:.3px;padding:20px 0;gap:10px}.toast{font-size:10px;letter-spacing:1px;top:15px}.modal-card h2{font-size:24px}.arena:fullscreen .field,.fullscreen-fallback .field{height:auto;aspect-ratio:1.1/1;width:min(100%,calc((100dvh - 160px)*1.1))}.arena:fullscreen .overlay,.fullscreen-fallback .overlay{padding:8px}.arena:fullscreen h1,.fullscreen-fallback h1{font-size:32px}}
@media(max-height:550px) and (orientation:landscape){#app{padding:0 20px}header{height:50px}.arena-toolbar{margin:12px 0}.field{height:380px;aspect-ratio:2/1}.start-card{width:480px}h1{font-size:36px}.intro{margin:6px 0 12px}.setup{display:grid;grid-template-columns:1fr 1fr;gap:10px}.setup fieldset{margin-bottom:0}.select-row{grid-column:span 2;margin-bottom:10px}.control-hint{margin-top:8px}.arena:fullscreen .field,.fullscreen-fallback .field{aspect-ratio:2/1;width:min(100%,calc((100dvh - 100px)*2));height:auto}.arena:fullscreen .scoreboard,.fullscreen-fallback .scoreboard{height:58px}.arena:fullscreen .player strong,.fullscreen-fallback .player strong{font-size:25px}.arena:fullscreen .player>span,.fullscreen-fallback .player>span{display:none}.arena:fullscreen .arena-bottom,.fullscreen-fallback .arena-bottom{height:36px}.arena:fullscreen .start-card,.fullscreen-fallback .start-card{width:540px}.arena:fullscreen .intro,.fullscreen-fallback .intro{display:none}.arena:fullscreen h1,.fullscreen-fallback h1{margin:5px 0 10px;font-size:30px}.arena:fullscreen .eyebrow,.fullscreen-fallback .eyebrow{display:none}.arena:fullscreen .segmented button,.fullscreen-fallback .segmented button{padding:7px}.arena:fullscreen select,.fullscreen-fallback select{padding:5px}.arena:fullscreen .primary,.fullscreen-fallback .primary{padding:10px}.arena:fullscreen .control-hint,.fullscreen-fallback .control-hint{display:none}}
@media(prefers-reduced-motion:reduce){button{transition:none}}
/* Machined metal enclosure and holographic scoreboard. */
.arena{border:1px solid #5c7180;border-radius:4px;background:linear-gradient(110deg,#101a23 0%,#293743 1.6%,#050a10 3.8%,#101923 50%,#050a10 96%,#293743 98.4%,#101a23 100%);box-shadow:0 2px 0 #526171,inset 0 0 0 3px #070c12,inset 0 0 0 5px #273948,0 25px 75px #0009;padding-left:30px;padding-right:30px}.scoreboard{position:relative;width:460px;max-width:90%;margin:auto;height:110px;gap:38px;background:linear-gradient(90deg,#081720dd,#0b1119,#21160c99);border-bottom:1px solid #57798a;border-top:1px solid #233946;clip-path:polygon(3% 5%,97% 5%,100% 17%,100% 83%,97% 95%,3% 95%,0 83%,0 17%)}.scoreboard:before,.scoreboard:after{content:'';position:absolute;top:18px;bottom:18px;width:10px;border-top:2px solid var(--cyan);border-bottom:2px solid var(--cyan);left:0;border-left:2px solid var(--cyan);filter:drop-shadow(0 0 5px var(--cyan));pointer-events:none}.scoreboard:after{left:auto;right:0;border-left:0;border-right:2px solid var(--orange);border-top-color:var(--orange);border-bottom-color:var(--orange);filter:drop-shadow(0 0 5px var(--orange))}.field{margin:8px 0 0;border:2px solid #a8c4d0;box-shadow:0 0 0 4px #071018,0 0 0 6px #365769,0 0 0 9px #0c1119,0 0 0 10px #3d5664,inset 0 0 18px var(--cyan)}.arena:before,.arena:after{content:'';position:absolute;top:150px;bottom:80px;left:11px;width:5px;background:var(--cyan);box-shadow:0 0 8px var(--cyan),0 0 25px var(--cyan);pointer-events:none}.arena:after{left:auto;right:11px;background:var(--orange);box-shadow:0 0 8px var(--orange),0 0 25px var(--orange)}.player{min-width:105px}.player strong{font-size:46px}.clock>span{font-size:9px}.fs-exit{display:none;position:absolute;top:12px;right:12px;z-index:5;font-size:22px;width:36px;height:36px;background:#071018}.arena:fullscreen .fs-exit,.fullscreen-fallback .fs-exit{display:block}.lab-active{border-color:#517c96}.lab-active:hover{border-color:var(--cyan)}
@media(max-width:650px){.arena{padding:0 16px}.arena:before,.arena:after{width:3px;left:5px;top:130px;bottom:70px}.arena:after{left:auto;right:5px}.scoreboard{max-width:100%;width:100%;height:94px;gap:15px}.player{min-width:80px}.player strong{font-size:36px}.field{margin-top:8px;box-shadow:0 0 0 3px #071018,0 0 0 5px #365769,0 0 0 7px #0c1119}.clock>strong{font-size:22px}.arena:fullscreen .field{margin-top:0}}
.arena{border-top:8px solid #324450;border-bottom:8px solid #182733}.arena-bottom{background:linear-gradient(180deg,#080e14,#15222d 45%,#080c12);margin:0 -18px;padding:0 18px;border-top:1px solid #405463}.field{border-image:linear-gradient(120deg,#9fc2d4,#30414e 16%,#050a10 36%,#a3b9c5 53%,#1c2b38 75%,#90a6b7) 1}.scoreboard{box-shadow:inset 0 0 30px #0009}.arena:before{background:linear-gradient(0deg,transparent 0 4%,var(--cyan) 4% 39%,transparent 39% 44%,#5a7384 44% 58%,transparent 58% 63%,var(--cyan) 63% 96%,transparent 96%);box-shadow:0 0 10px var(--cyan),0 0 23px color-mix(in srgb,var(--cyan),transparent 55%)}.arena:after{background:linear-gradient(0deg,transparent 0 4%,var(--orange) 4% 39%,transparent 39% 44%,#5a7384 44% 58%,transparent 58% 63%,var(--orange) 63% 96%,transparent 96%);box-shadow:0 0 10px var(--orange),0 0 23px color-mix(in srgb,var(--orange),transparent 55%)}.overlay{background:#050b12a8;backdrop-filter:blur(3px)}.start-card{padding:8px 0}.booster:hover .boost-icon{filter:drop-shadow(0 0 8px currentColor)}
@media(max-width:650px){.arena-bottom{margin:0 -8px;padding:0 8px}}
/* 3D arena layer, player identity and the fifth booster. */
#effects{position:absolute;inset:0;pointer-events:none;z-index:1;background:transparent}#game{position:relative;z-index:0}.profile-row{display:flex;gap:14px;margin-bottom:17px;grid-column:1/-1}.profile-row>label{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;font:10px monospace;letter-spacing:1px;color:#8198a7}.profile-row input[type=text],#playerName{height:38px;width:100%;background:#0d1a24;color:#eef5fa;border:1px solid #304651;padding:9px;font:14px Arial}.player-color{display:flex;align-items:center;gap:8px;height:38px;border:1px solid #304651;background:#0d1a24;padding:4px 7px}.player-color input{background:transparent;border:0;padding:0;width:32px;height:28px;cursor:pointer}.player-color #rivalColor{width:18px;height:18px;border-radius:3px;box-shadow:0 0 8px currentColor;flex-shrink:0}.player-color small{font:9px Arial;letter-spacing:0;color:#a8bdcb}.start-card{margin:auto}.boosters{grid-template-columns:repeat(5,1fr)}.booster{gap:8px;padding-left:10px;padding-right:10px}.booster b{letter-spacing:1px}.shield{color:#5eafff}.player small{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.clock>span{color:var(--cyan)}.field{box-shadow:0 0 0 4px #071018,0 0 0 6px #365769,0 0 0 9px #0c1119,0 0 0 10px #3d5664}.arena:fullscreen .field,.fullscreen-fallback .field{margin-top:8px;margin-bottom:8px}
@media(max-width:1100px){.boosters{grid-template-columns:repeat(3,1fr)}.start-card h1{font-size:40px}.start-card .intro{margin:8px 0 15px}.start-card .profile-row{margin-bottom:12px}.start-card fieldset{margin-bottom:10px}.start-card .segmented button{padding:9px 5px}.start-card .select-row{margin-bottom:12px}}
@media(max-width:650px){.boosters{grid-template-columns:1fr 1fr}.booster:last-child{grid-column:1/-1}.field{height:500px}.player small{max-width:80px}.profile-row{gap:10px}.start-card .control-hint{margin-top:12px}.start-card .intro{margin-bottom:16px}.player-color small{font-size:9px}.player-color{gap:5px;padding:4px}.player-color input{width:26px}.profile-row>label:first-child{flex:1.1}.profile-row>label:last-child{flex:1}.arena:fullscreen .field,.fullscreen-fallback .field{aspect-ratio:.8/1;width:min(100%,calc((100dvh - 160px)*.8));height:auto}}
@media(max-height:550px) and (orientation:landscape){.arena:fullscreen .field,.fullscreen-fallback .field{aspect-ratio:2/1;width:min(100%,calc((100dvh - 100px)*2))}.start-card .profile-row{margin-bottom:3px}.start-card .profile-row>label{gap:3px}.start-card #playerName,.start-card .player-color{height:30px}.start-card .profile-row input[type=color]{height:22px}.start-card .setup{gap:5px}.start-card fieldset{margin-bottom:0}.start-card .segmented button{padding:5px}.start-card .select-row{margin-bottom:5px}.start-card .select-row label{gap:3px}.start-card .primary{padding:8px}.start-card{padding:0}}
.boosters{grid-template-columns:repeat(3,1fr)}.gravity{color:#df84ff}@media(max-width:650px){.boosters{grid-template-columns:1fr 1fr}.booster:last-child{grid-column:auto}}
@media(max-width:650px){.arena.is-playing .field{height:auto;aspect-ratio:1.7/1;min-height:200px}.arena.is-playing:fullscreen .field,.arena.is-playing.fullscreen-fallback .field{aspect-ratio:1.7/1;width:100%;min-height:0}.arena.is-playing:fullscreen,.arena.is-playing.fullscreen-fallback{justify-content:center}}@media(max-height:550px) and (orientation:landscape){.arena.is-playing:fullscreen .field,.arena.is-playing.fullscreen-fallback .field{width:min(100%,calc((100dvh - 100px)*2));aspect-ratio:2/1}}
/* Reduce colored HUD halos by 70%; preserve metal enclosure shadows. */
.cyan strong{text-shadow:0 0 20px color-mix(in srgb,var(--cyan),transparent 88%)}
.orange strong{text-shadow:0 0 20px color-mix(in srgb,var(--orange),transparent 88%)}
.arena:before{box-shadow:0 0 10px color-mix(in srgb,var(--cyan),transparent 70%),0 0 23px color-mix(in srgb,var(--cyan),transparent 86.5%)}
.arena:after{box-shadow:0 0 10px color-mix(in srgb,var(--orange),transparent 70%),0 0 23px color-mix(in srgb,var(--orange),transparent 86.5%)}
.scoreboard:before{filter:drop-shadow(0 0 5px color-mix(in srgb,var(--cyan),transparent 70%))}
.scoreboard:after{filter:drop-shadow(0 0 5px color-mix(in srgb,var(--orange),transparent 70%))}
.live-dot{box-shadow:0 0 9px color-mix(in srgb,var(--cyan),transparent 70%)}
.player-color #rivalColor{box-shadow:0 0 8px color-mix(in srgb,currentColor,transparent 70%)}
.booster:hover .boost-icon{filter:drop-shadow(0 0 8px color-mix(in srgb,currentColor,transparent 70%))}
.boost-icon.chaos{color:#ff64c5}.boosters{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
/* The arena is the browser surface; HUD and controls float over it. */
html,body{width:100%;height:100%;overflow:hidden;background:#04080d}
#app{max-width:none;padding:0;min-height:100dvh}
header{position:fixed;z-index:6;top:16px;left:24px;right:24px;height:46px;border:0;pointer-events:none}
header>*{pointer-events:auto}.brand-logo{width:250px;height:auto;display:block}.header-actions{background:#08111ac9;border-radius:6px;padding:4px}
.arena-toolbar{position:fixed;z-index:4;top:76px;left:26px;right:26px;margin:0;pointer-events:none}
.arena,.arena.is-playing,.arena:fullscreen,.arena.fullscreen-fallback{position:fixed;inset:0;width:100%;height:100dvh;padding:0;border:0;background:#04080d;box-shadow:none;display:block;max-width:none}
.arena:before,.arena:after,.field-corners{display:none}
.arena .field,.arena.is-playing .field,.arena:fullscreen .field,.arena.fullscreen-fallback .field,.arena.is-playing:fullscreen .field,.arena.is-playing.fullscreen-fallback .field{position:absolute;inset:0;width:100%;height:100%;min-height:0;aspect-ratio:auto;border:0;margin:0;box-shadow:none;overflow:hidden}
#game,#effects{position:absolute;inset:0;width:100%;height:100%}
.scoreboard{position:absolute;z-index:4;top:104px;left:50%;transform:translateX(-50%);width:min(460px,94%);height:86px;gap:36px;background:linear-gradient(90deg,#050a10c9,#12212ad4,#050a10c9);box-shadow:none;pointer-events:none}
.scoreboard .player{min-width:92px}.scoreboard .player strong{font-size:40px}.scoreboard .clock strong{font-size:25px}
.scoreboard small{font-size:12px}.scoreboard .player>span,.scoreboard .clock>span{font-size:11px}
.arena-bottom{position:absolute;z-index:4;left:26px;right:26px;bottom:184px;height:38px;margin:0;padding:0 12px;border:0;background:#07111a8c;font-size:12px}
.below-arena{position:fixed;z-index:5;bottom:45px;left:26px;right:26px;max-width:1440px;margin:0 auto;background:transparent;padding:0}
.section-label{display:none}.boosters{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin:0}
.booster{height:82px;background:#0c1620c9;border:1px solid #33434d8c;padding:8px;gap:8px;backdrop-filter:blur(6px)}.booster .boost-index{display:none}.booster b{font-size:12px}.booster small{font-size:12px;line-height:1.3}.booster .boost-icon{width:42px;min-width:42px;height:42px;display:flex;align-items:center;justify-content:center}.boost-icon img{width:100%;height:100%;object-fit:contain;filter:none}
.helper{margin-top:10px;font-size:12px;line-height:1.5;text-shadow:0 1px 4px #000}.lab-hint{margin:6px 0;font-size:12px;background:#07111ac9;padding:6px}
footer{position:fixed;z-index:5;left:26px;right:26px;bottom:12px;height:20px;padding:0;border:0;font-size:11px;pointer-events:none}footer a{pointer-events:auto}
.overlay{z-index:7;background:#04080d85;backdrop-filter:blur(5px);padding:20px;overflow:auto;align-items:center}.start-card{max-width:500px;padding:22px;background:#07111ae8;border:1px solid #284251;border-radius:12px}.start-card h1{margin:0 auto 14px;line-height:1}.start-card h1 img{width:100%;max-width:340px;height:auto}.start-card .eyebrow,.start-card .intro{display:none}.start-card label,.start-card legend,.start-card .profile-row>label{font-size:12px;letter-spacing:.8px}.start-card .setup{gap:12px}.start-card .primary{font-size:15px}.control-hint{font-size:12px}
@media(max-width:1050px){.booster{flex-direction:column;text-align:center;height:96px;gap:3px}.booster .boost-icon{width:36px;min-width:36px;height:36px}.booster small{font-size:11px}.arena-bottom{bottom:198px}.header-actions .quiet span{display:none}}
@media(max-width:650px){header{top:12px;left:12px;right:12px;height:36px}.brand-logo{width:170px}.header-actions{gap:3px}.header-actions .icon{width:30px;height:30px;font-size:19px}.arena-toolbar{top:58px;left:14px;right:14px;font-size:10px;letter-spacing:.5px}.scoreboard{top:82px;height:80px;gap:20px}.scoreboard .player{min-width:70px}.scoreboard .player strong{font-size:32px}.scoreboard .clock strong{font-size:23px}.scoreboard small{font-size:10px}.below-arena{left:12px;right:12px;bottom:38px}.boosters{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.booster,.booster:last-child{grid-column:auto;height:58px;padding:4px;gap:1px}.booster .boost-icon{width:30px;min-width:30px;height:30px}.booster b{font-size:9px;letter-spacing:.3px}.booster small{display:none}.helper>span{display:none}.helper{justify-content:flex-end;margin-top:7px}.arena-bottom{left:12px;right:12px;bottom:195px;padding:0 5px;font-size:10px}.arena-bottom #inputHint{max-width:42%;font-size:9px}.arena-bottom .muted{display:none}footer{left:14px;right:14px;bottom:9px;font-size:9px}.start-card{padding:18px;max-width:420px}.overlay{padding:12px}.player-color small{font-size:10px}.start-card .control-hint{margin-top:8px}}
@media(max-height:600px) and (orientation:landscape){header{top:8px;height:30px}.brand-logo{width:180px}.arena-toolbar{top:45px}.scoreboard{top:58px;height:64px;width:380px;gap:20px}.scoreboard .player strong{font-size:27px}.scoreboard .clock strong{font-size:20px}.scoreboard .player>span,.scoreboard .clock>span{display:none}.below-arena{bottom:28px}.boosters{grid-template-columns:repeat(7,minmax(0,1fr))}.booster{height:45px;flex-direction:row}.booster .boost-icon{width:27px;min-width:27px;height:27px}.booster small,.helper>span{display:none}.helper{position:absolute;right:0;bottom:52px;margin:0}.arena-bottom{bottom:90px;height:28px}footer{bottom:5px;font-size:9px}.overlay{align-items:flex-start;padding:8px 12px}.start-card{max-width:640px;padding:12px 18px}.start-card h1 img{max-width:210px}.start-card h1{margin-bottom:6px}.start-card .setup{display:grid;grid-template-columns:1fr 1fr;gap:7px}.start-card .profile-row{grid-column:1/-1;margin-bottom:0}.start-card .select-row{grid-column:1/-1}.start-card fieldset{margin:0}.start-card .control-hint{margin:4px}.start-card .segmented button{padding:6px}}
/* Score-driven match HUD and softer, circular controls. */
button,input,select,dialog,.header-actions,.modal-card,.prize{border-radius:8px}
button{transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}.primary,.start-card{border-radius:12px}.segmented{border-radius:9px;overflow:hidden}.segmented button{border-radius:6px}.icon{border-radius:8px}
header{top:16px;height:36px;justify-content:flex-end}
.scoreboard{top:10px;width:min(820px,94%);height:88px;background:none;gap:52px;box-shadow:none;align-items:center}.scoreboard:before,.scoreboard:after{display:none}.scoreboard .clock{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:220px}.scoreboard .brand-logo{width:220px}.scoreboard .clock strong{font-size:20px;line-height:1.1}.scoreboard .clock small{font-size:10px;letter-spacing:.7px}.scoreboard .clock>span{display:none}.scoreboard .player{min-width:100px;gap:1px}.scoreboard .player strong{font-size:43px;line-height:1}.scoreboard .player small{font-size:13px;max-width:160px}.scoreboard .player>span{font-size:11px}
.arena-toolbar{top:73px;font-size:10px;letter-spacing:.8px}
.below-arena{bottom:29px}.boosters{justify-items:center;gap:8px;margin-bottom:18px}.booster,.booster:last-child{position:relative;width:58px;height:58px;min-width:0;padding:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0c1620b3;flex-direction:row;gap:0;backdrop-filter:blur(4px)}.booster .boost-icon{width:44px;min-width:44px;height:44px}.booster>span:nth-child(2){position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);width:100px;text-align:center;pointer-events:none}.booster b{font-size:11px;letter-spacing:.7px}.booster small{display:none}.booster:hover{transform:translateY(-2px);background:#172b3ade;box-shadow:0 3px 16px #0005}.booster:active{transform:translateY(0)}
.helper{position:absolute;right:0;bottom:0;margin:0;font-size:11px}.helper>span{display:none}.lab-hint{position:absolute;bottom:96px;right:0;max-width:360px;border-radius:8px}.arena-bottom{bottom:109px;height:22px;background:none;padding:0;left:26px;right:26px;font-size:11px}.arena-bottom button{background:#0d1825a6;padding:3px 9px}.arena-bottom kbd{border-radius:4px}
footer{bottom:7px;font-size:10px}.overlay{animation:overlay-in .24s ease both}.overlay.hidden{animation:none}.toast{border-radius:10px;transition:opacity .2s ease,transform .2s ease}
@keyframes overlay-in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1050px){.scoreboard{gap:34px;width:min(680px,92%)}.booster{height:54px;width:54px}.booster .boost-icon{width:40px;min-width:40px;height:40px}.arena-bottom{bottom:109px}}
@media(max-width:650px){header{top:10px;height:28px}.scoreboard{top:9px;gap:14px;width:94%;height:84px}.scoreboard .clock{min-width:150px;gap:4px}.scoreboard .brand-logo{width:150px}.scoreboard .clock strong{font-size:17px}.scoreboard .clock small{font-size:8px;letter-spacing:0}.scoreboard .player{min-width:55px}.scoreboard .player strong{font-size:30px}.scoreboard .player small{font-size:11px;max-width:75px}.scoreboard .player>span{font-size:9px}.header-actions{position:fixed;right:10px;bottom:151px;background:#07111aaa}.arena-toolbar{top:92px;font-size:9px;left:14px;right:14px}.below-arena{bottom:27px}.boosters{row-gap:24px;column-gap:8px;margin-bottom:17px}.booster,.booster:last-child{width:45px;height:45px;padding:5px}.booster .boost-icon{width:34px;min-width:34px;height:34px}.booster>span:nth-child(2){width:85px;top:calc(100% + 2px)}.booster b{font-size:9px;letter-spacing:0}.arena-bottom{bottom:150px;height:20px;left:14px;right:130px;font-size:9px}.arena-bottom #ballCounter{display:none}.helper{font-size:10px}footer{font-size:8px}.lab-hint{bottom:160px;right:0;font-size:11px}}
@media(max-height:600px) and (orientation:landscape){header{top:8px;height:30px}.header-actions{position:static}.scoreboard{top:7px;height:66px;width:min(620px,80%);gap:26px}.scoreboard .clock{min-width:160px;gap:2px}.scoreboard .brand-logo{width:160px}.scoreboard .clock strong{font-size:16px}.scoreboard .clock small{font-size:8px}.scoreboard .player{min-width:65px}.scoreboard .player strong{font-size:29px}.scoreboard .player small{font-size:11px}.arena-toolbar{top:67px;font-size:9px}.below-arena{bottom:20px}.boosters{margin-bottom:13px;gap:6px;grid-template-columns:repeat(7,minmax(0,1fr))}.booster,.booster:last-child{width:40px;height:40px;padding:4px}.booster .boost-icon{width:32px;min-width:32px;height:32px}.booster b{font-size:8px}.arena-bottom{bottom:86px;height:19px;right:26px;font-size:9px}.arena-bottom #ballCounter{display:block}.helper{bottom:0;font-size:9px}footer{bottom:3px;font-size:8px}}
@media(prefers-reduced-motion:reduce){button,.toast{transition:none}.overlay{animation:none}}
/* Online invitation and mobile header-only controls. */
.booster.boost-disabled{opacity:.3}
.boosters{grid-template-columns:repeat(9,minmax(0,1fr))}.boost-picker{grid-template-columns:repeat(5,minmax(0,1fr))}.boost-choice span{font-size:11px}.boost-choice{flex-direction:row;flex-wrap:wrap;justify-content:center}.boost-choice img{width:28px;height:28px}.boost-choice span{width:100%;text-align:center}
header{top:110px;right:26px;left:26px;height:34px}.header-actions{position:static;display:flex;align-items:center;gap:6px;background:none}.header-actions #pauseBtn{padding:5px 10px;height:32px;border-radius:8px;font-size:12px}.net-status{font-size:10px;color:#9fbdcb;max-width:190px}.net-status.hidden{display:none}
.boost-picker{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.boost-choice{display:flex;align-items:center;flex-direction:column;gap:3px;position:relative;border:1px solid #344858;border-radius:8px;padding:5px 2px;cursor:pointer}.boost-choice img{width:32px;height:32px;object-fit:contain}.boost-choice input{width:14px;height:14px;accent-color:var(--cyan)}.boost-choice span{font-size:9px;letter-spacing:0}.boost-choice:has(input:not(:checked)){opacity:.42}.room-note{font-size:11px;color:#9fbdcb;margin:8px 0 0}.room-card{width:min(480px,90vw);padding:24px;background:#0a1520}.room-card h2{font-size:24px}.room-card #roomRules{font-size:14px;line-height:1.65;white-space:pre-line}.room-card #roomStatus{font-size:14px;color:#99e8ff;line-height:1.5}.room-card #inviteLink{font-size:13px;width:100%;margin:8px 0}.invite-actions{display:flex;gap:8px}.invite-actions button{flex:1}.room-card .profile-row{gap:14px}.room-card input[type=color]{height:40px}.room-card #inviteTools.hidden,.room-card #guestProfile.hidden,.room-card button.hidden{display:none}.segmented button{font-size:12px;padding:9px 6px}#roomDialog{padding:0;border-radius:12px}#roomDialog .modal-card{border:0}.arena-bottom{justify-content:space-between}
@media(max-width:1024px),(pointer:coarse){footer,.below-arena,.arena-bottom,.fs-exit{display:none}header{top:118px;height:32px;left:12px;right:12px;justify-content:center}.header-actions{position:static;justify-content:center;background:#07111a80;border-radius:9px;padding:2px 5px;gap:7px}.header-actions .icon{width:32px;height:30px}.header-actions .quiet span,#pauseBtn span{display:none}.net-status{font-size:9px;max-width:100px}.arena-toolbar{top:92px}.scoreboard{top:9px;height:84px}.scoreboard .clock{min-width:150px}.scoreboard .brand-logo{width:150px}.scoreboard .clock strong{font-size:17px}.scoreboard .player strong{font-size:30px}.scoreboard{gap:14px}.room-card{padding:18px}}
@media(max-height:600px) and (orientation:landscape){header{top:81px;height:30px}.arena-toolbar{top:67px}.scoreboard{top:7px;height:60px}.room-card{padding:14px}.room-card h2{font-size:20px}}

.atlas-return{color:#a9dce3;font-size:14px;text-decoration:none;padding:12px;white-space:nowrap}header{flex-wrap:wrap;gap:8px}.logo-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.logo-preview{display:block;width:100%;height:90px;object-fit:contain;background:#21313d;border-radius:12px;margin:10px 0}.campaign-reward{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(520px,calc(100% - 32px));z-index:15;background:#10252aee;color:#edffff;border:1px solid #80dfe7;border-radius:16px;padding:16px;text-align:center;pointer-events:none}.campaign-reward strong{display:block;margin-top:8px}#brandDialog{max-height:90dvh;overflow:auto}#brandDialog p{font-size:14px;line-height:1.5}#brandError{color:#ffaca3}#brandForm select,#rewardTarget{width:100%}#rewardTargetHint{display:block;font-size:14px;margin:6px 0}@media(max-width:600px){.logo-fields{grid-template-columns:1fr}header .header-actions{flex-wrap:wrap}.atlas-return{font-size:14px}}

header{height:auto;min-height:80px;padding:14px 0}.header-actions{margin-left:auto}@media(max-width:600px){header{align-items:flex-start;flex-direction:column;min-height:100px}.header-actions{margin-left:0;gap:8px}}