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@media(max-width:1000px){.topic-grid{grid-template-columns:repeat(3,1fr)}.hero{gap:40px}.hero h1{font-size:61px}.feature-card h2{font-size:38px}.quiz-layout{grid-template-columns:minmax(0,1fr) 220px}.quiz-panel{padding:25px}.round-info{padding:20px}.main-nav{gap:18px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:78px;position:relative}.brand{font-size:29px}.brand img{width:45px;height:45px}.menu-toggle{display:block;border:1px solid #715287;border-radius:100px;background:#352147;color:var(--text);padding:9px 16px;font-size:12px}.main-nav{display:none;position:absolute;z-index:10;top:calc(100% - 3px);left:0;right:0;background:#352147;border:1px solid #705088;border-radius:0 0 20px 20px;box-shadow:0 20px 35px #12091d88;padding:23px;gap:21px;align-items:stretch;flex-direction:column}.main-nav.is-open{display:flex}.hero{grid-template-columns:1fr 1fr;gap:28px;padding:42px 0}.hero h1{font-size:50px}.hero p{font-size:14px}.feature-card{padding:23px}.feature-card h2{font-size:34px}.feature-levels{gap:7px}.feature-levels span{font-size:10px;padding:8px}.feature-card .button{font-size:11px;gap:12px}.topic-grid{grid-template-columns:1fr 1fr}.related-grid{grid-template-columns:1fr 1fr}.section{padding:38px 0}.section-head{gap:16px;align-items:start}.section-head h2{font-size:34px}.quiz-layout{grid-template-columns:1fr}.round-info{display:none}.page-hero{padding:25px 0}.page-hero h1{font-size:46px}.how-panel{gap:25px;padding:27px}.how-panel h2{font-size:31px}.stats-inner{gap:14px;flex-wrap:wrap;font-size:11px;justify-content:center}.faq-grid{grid-template-columns:1fr}.footer-top{flex-direction:column}.footer-links{gap:15px}.footer-bottom{flex-direction:column;gap:8px}.host-bar{flex-wrap:wrap}.quiz-panel{padding:25px}.options{gap:10px}.prose h1{font-size:41px}}
@media(max-width:480px){.hero{grid-template-columns:1fr;gap:32px;padding:35px 0 42px}.hero h1{font-size:55px;margin:19px 0}.hero p{font-size:15px}.feature-card{margin:0 8px;transform:rotate(1deg);padding:25px}.feature-card h2{font-size:40px}.feature-levels span{font-size:12px;padding:10px}.feature-card .button{font-size:12px}.section-head{flex-direction:column;gap:12px}.search-row{align-items:stretch;flex-direction:column;gap:10px}.topic-grid{gap:11px}.topic-card{padding:17px;border-radius:20px;gap:11px}.topic-card h3{font-size:21px}.topic-card p{font-size:11px}.topic-icon{width:42px;height:42px;font-size:23px;border-radius:12px}.topic-card .tag{font-size:8px;padding:4px 7px}.topic-card .eyebrow{font-size:7px;letter-spacing:.5px}.card-link{font-size:11px}.how-panel{grid-template-columns:1fr;gap:20px;padding:24px;margin-bottom:35px}.how-panel h2{font-size:34px}.page-hero h1{font-size:39px}.page-hero p{font-size:14px}.quiz-panel{padding:21px 17px;border-radius:23px}.difficulty-grid{gap:9px}.level-button{padding:15px 12px}.level-button strong{font-size:16px}.level-button small{font-size:10px}.setup h2{font-size:30px}.setup-top{gap:10px}.setup-top .eyebrow{font-size:9px;letter-spacing:1px}.setup-top select{max-width:125px}.options{grid-template-columns:1fr}.option{padding:13px 14px;min-height:58px;font-size:13px}.answer-text{min-width:100px}.game-controls{gap:10px}.game-controls .button{padding:12px 15px;gap:9px;font-size:12px}.question-nav{gap:5px}.question-nav button{width:27px;height:27px}.question{font-size:26px}.score{font-size:80px}.result-heading{font-size:29px}.host-view{padding:19px}.host-view>summary{font-size:16px}.related-grid{grid-template-columns:1fr}.related-grid .topic-card{display:grid;grid-template-columns:1fr;gap:10px}.prose h1{font-size:35px}.prose p,.prose li{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.feature-card,.topic-icon{transform:none}.topic-card:hover,.button:hover{transform:none}}
@media print{body{color:#111;background:#fff}body>*{display:none!important}body>.print-area{display:block!important;font:12px/1.5 Arial,sans-serif}.print-area h1{font-size:24px;letter-spacing:-.5px}.print-area h2{font-size:20px}.print-area p{margin:14px 0}.print-area li{padding:10px 0;break-inside:avoid}.answer-space{height:23px;border-bottom:1px solid #aaa}.print-answers{break-before:page}.print-credit{font-size:9px}}
/* Category-first browsing: keep every quiz on its existing permanent address. */
.category-lead{margin-top:14px;color:var(--muted);font-size:14px}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-card{gap:16px;padding:26px}.category-card h3{font-size:29px}.category-card p{font-size:13px}.category-card .card-link{margin-top:auto}.category-subjects{list-style:none;margin:0;padding:0;display:flex;gap:7px;flex-wrap:wrap}.category-subjects li{font-size:10px;border:1px solid #80609677;background:#ad85db0d;color:var(--muted);border-radius:100px;padding:4px 9px}.category-rounds{margin-top:16px;font-size:13px!important}.category-quizzes{padding-top:20px}.category-quizzes h2{font-size:30px}.category-quizzes .topic-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}.category-quizzes .topic-card:only-child{max-width:420px}.category-links{display:flex;gap:12px;flex-wrap:wrap}.other-categories{border-top:1px solid var(--line);margin-top:10px}.other-categories h2{font-size:34px}.topic-card{position:relative}.topic-card h3 a::after{content:"";position:absolute;inset:0;border-radius:23px}.topic-card h3 a:focus-visible::after{outline:3px solid var(--yellow);outline-offset:4px}.topic-card>a.card-link{position:relative;z-index:1}
@media(max-width:900px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:540px){.category-grid{grid-template-columns:1fr}.category-card{padding:24px}.category-card h3{font-size:28px}.category-card p{font-size:13px}.category-card .tag{font-size:10px}.category-card .card-link{font-size:12px}.category-links .button{font-size:12px;padding:10px 16px}.other-categories h2{font-size:29px}}
/* Keep round selection and the active question together. */
.setup{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:24px}.setup-top{margin-bottom:18px}.setup h2{font-size:27px}.difficulty-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0}.level-button{padding:12px 10px}.level-button strong{font-size:14px}.level-button small{font-size:10px}.start-summary{margin-bottom:12px}.round-change-note{font-size:11px!important;color:var(--muted)}
@media(max-width:600px){.difficulty-grid{grid-template-columns:1fr 1fr}.setup h2{font-size:25px}.setup{padding-bottom:20px;margin-bottom:20px}}
/* Editorial topic notes remain secondary to the playable quiz. */
.quiz-topic-guide{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;border:1px solid var(--line);background:#2c1f3d;border-radius:24px;padding:28px;margin:28px 0}.quiz-topic-guide h2{font-size:29px;margin:12px 0 16px}.quiz-topic-guide h3{font-size:20px;margin-bottom:14px}.quiz-topic-guide p,.quiz-topic-guide li{font-size:13px;color:var(--muted)}.quiz-topic-guide ul{padding-left:20px;margin:0 0 15px}.quiz-topic-guide a{color:var(--yellow);text-decoration:underline;text-underline-offset:3px}.page-hero h1{font-size:clamp(36px,4.5vw,57px)}
@media(max-width:650px){.quiz-topic-guide{grid-template-columns:1fr;gap:24px;padding:22px}.quiz-topic-guide h2{font-size:25px}.hero h1{font-size:49px}}