:root{--paper:#f7fbf8;--ink:#17383b;--muted:#587477;--line:#cdded9;--gold:#ffe343;--teal:#007b83;--purple:#8b6a00;--radius:24px;font-family:"Trebuchet MS",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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0}.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.confetti i{position:absolute;width:7px;height:13px;left:var(--x);top:-30px;background:var(--c);transform:rotate(var(--r));animation:confetti-fall 2.5s var(--delay) ease-in both;opacity:.65}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:30;background:var(--ink);color:white;padding:12px 18px;border-radius:10px;max-width:90%;font-size:13px;box-shadow:0 3px 15px #0002;text-align:center}
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@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}@keyframes confetti-fall{0%{transform:translateY(-30px) rotate(0);opacity:0}10%{opacity:.9}100%{transform:translateY(650px) rotate(var(--r));opacity:0}}
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@media(max-width:460px){.brand-type>strong{font-size:18px}.brand-type>span{font-size:7px;letter-spacing:1.4px}.brand-icon{width:33px;height:34px;font-size:36px}.intro h1{font-size:29px}.title-spark{width:21px;margin-left:8px}.table-options{grid-template-columns:repeat(6,1fr);gap:6px}.table-choice{min-height:38px;font-size:16px}.setup{padding:12px}.setup-label p{font-size:9px;margin-left:5px}.players{gap:9px}.player{padding:12px 8px 14px;border-radius:15px}.player-header{gap:3px}.player-badge{display:none}.player-name{font-size:16px}.player-label{font-size:7px}.score strong{font-size:27px}.score span{font-size:6px}.equation{font-size:26px;gap:5px}.answer{min-width:47px;min-height:43px;border-radius:8px}.feedback{font-size:8px}.keypad{gap:6px}.key{font-size:23px}.key-submit{font-size:11px;gap:1px}.key-submit svg{width:14px}.round-detail .eyebrow{font-size:7px;letter-spacing:.6px}.round-detail p{font-size:9px}.round-actions .primary-button{font-size:11px;padding-inline:8px;gap:5px}.round-actions .text-button{font-size:8px;max-width:30px}.timer{width:57px;height:57px}.game-bar{gap:8px}.versus{width:24px;height:24px;font-size:8px}.app-main{padding-inline:10px}body.is-round .equation{font-size:27px;gap:5px}body.is-round .answer{min-width:50px;min-height:49px}body.is-round .key{font-size:25px}body.is-round .key-submit{font-size:12px}.countdown-card{padding:25px}.countdown-card strong{font-size:110px}.game-dialog{padding:25px 20px}.game-dialog h2{font-size:27px}}
@media(max-height:820px) and (min-width:761px){.app-header{padding-block:14px}.app-main{padding-top:18px}.intro{margin-bottom:18px}.intro h1{font-size:35px}.setup{padding-block:12px}.game-bar{padding-block:12px}.timer{width:65px;height:65px}.timer strong{font-size:28px}.player{padding-block:16px}.question-area{padding:12px 0 10px}.answer{min-height:55px}.equation{font-size:44px}.keypad{grid-template-rows:repeat(4,clamp(42px,6.2vh,60px))}.key{font-size:26px}.key-submit{font-size:16px}.app-footer{padding-block:12px}body.is-round .game-bar{padding-block:12px}body.is-round .question-area{padding:12px 0}body.is-round .equation{font-size:55px}body.is-round .answer{min-height:65px}body.is-round .app-header{padding-block:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.confetti{display:none}}