/* v35: one responsive presentation layer, after the existing feature styles. */
:root{--sand-ink:#16324d;--sand-muted:#576f85;--sand-line:#dbe5ee;--sand-shadow:0 5px 20px #173b5710;--ui-navy:#073b74;--ui-gold:#f6bd2a;--ui-radius:20px}
body{color:var(--sand-ink);background:radial-gradient(ellipse at 50% 0,#e4f0fb,transparent 700px),#f3f7fb;background-attachment:scroll;padding-bottom:0}
body::before{display:none}
.app{width:100%;max-width:1280px;margin:auto;padding:calc(24px + env(safe-area-inset-top)) max(clamp(12px,2.5vw,28px),env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(clamp(12px,2.5vw,28px),env(safe-area-inset-left))}
main{min-width:0}
.view{scroll-margin-top:130px}
.view>*{min-width:0}
.card,.battle-card,.grade-card,.mission-card,.badge-card,.quest-card,.week-row,.mistake-card{border:1px solid var(--sand-line);border-radius:var(--ui-radius);box-shadow:var(--sand-shadow);background:#fff}
.card,.battle-card{padding:clamp(18px,2.2vw,28px)}
h2,h3,h4{color:#103758}
.muted,.section-title p{color:var(--sand-muted)}
button{touch-action:manipulation}
.btn{border-radius:12px;min-height:46px;box-shadow:none;transition:background .15s,border-color .15s;white-space:normal;overflow-wrap:anywhere}
.primary{background:#f6bd2a;color:#172c3c;box-shadow:0 3px 8px #ac781315}
.primary:hover{background:#ffcd4d}
.secondary{background:#f1f6fb;color:#194e77;border-color:#cedeea}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #1675b9;outline-offset:3px}
.topbar{display:grid;grid-template-columns:minmax(260px,1fr) auto;align-items:center;gap:24px;padding:20px 24px;border-radius:22px 22px 0 0;overflow:visible;background:linear-gradient(115deg,#052950,#08477c);box-shadow:none;isolation:isolate;z-index:900}
.topbar::after{display:none}
.brand{gap:14px;min-width:0}
.brand .logo.brand-logo{flex-shrink:0;width:52px;height:52px;border-radius:15px;overflow:hidden;padding:0;background:none;box-shadow:0 0 0 1px #ffffff35;border:0}
.brand-logo img{display:block;width:100%;height:100%;object-fit:contain;aspect-ratio:1}
.brand h1{font-size:clamp(20px,1.5vw,25px);letter-spacing:.015em;text-shadow:none;white-space:normal;overflow-wrap:anywhere}
.brand p{font-size:12px;margin:5px 0 0;color:#c7dcef;line-height:1.5}
.brand p span{display:block}
.header-tools{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0}
.header-balances{display:flex;gap:22px;padding-right:10px}
.header-balance{display:flex;flex-direction:column;gap:2px;min-width:0}
.header-balance>b{font-family:var(--font-heading);font-size:20px;color:white;font-weight:750;line-height:1.3;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.header-balance>span{font-size:11px;line-height:1.5;color:#c7dcef}
.player-stats{position:relative}
.player-stats>summary{display:flex;align-items:center;gap:8px;list-style:none;cursor:pointer;padding:11px 12px;min-height:44px;border:1px solid #ffffff30;border-radius:11px;color:#edf6ff;font-size:13px;font-weight:600;white-space:nowrap;background:#ffffff0c}
.player-stats>summary::-webkit-details-marker{display:none}
.player-stats>summary:hover,.player-stats[open]>summary{background:#ffffff20}
.player-stats>.stats{position:absolute;top:calc(100% + 12px);right:0;width:340px;max-width:calc(100vw - 32px);display:grid;grid-template-columns:1fr 1fr;gap:8px;background:white;color:#16324d;padding:14px;margin:0;border:1px solid #dbe5ee;border-radius:16px;box-shadow:0 14px 40px #031b3e35;overflow:visible}
.player-stats:not([open])>.stats{display:none}
.stats>.pill{display:flex;flex-direction:column;align-items:flex-start;gap:5px;min-width:0;border-radius:10px;padding:12px;color:#16324d;background:#f2f7fc;border:0;white-space:normal;overflow-wrap:anywhere;backdrop-filter:none;font-size:13px;line-height:1.5}
.stats>.pill>span:first-child{color:#576f85;font-size:12px}
.stats b{font-family:var(--font-heading);font-size:16px;font-weight:750;color:#123c60}
.stats .sound-btn{align-items:center;justify-content:center;font-size:14px;min-height:46px;background:#e7f1fa;color:#194e77}
.topbar #installBtn{padding:11px 14px;border-radius:11px;border:0;background:#f6bd2a!important;color:#172c3c;box-shadow:none;font-size:13px;font-weight:650;min-height:44px;white-space:nowrap}
.pro-nav{display:grid!important;grid-template-columns:repeat(6,minmax(0,1fr))!important;gap:4px;padding:8px;margin:0 0 24px;position:sticky;top:env(safe-area-inset-top);bottom:auto;left:auto;right:auto;z-index:850;border-radius:0 0 18px 18px;background:#073b67;box-shadow:0 4px 12px #15334d16;overflow:visible;border:0}
.pro-nav button{display:flex;align-items:center;justify-content:center;gap:9px;min-width:0;min-height:44px;padding:9px 10px;border:0;border-radius:10px;font-size:13px;font-weight:550;line-height:1.4;color:#dceaf6;background:none;white-space:normal;position:relative;box-shadow:none;flex:auto}
.pro-nav button:hover{background:#ffffff10;color:#fff}
.pro-nav button.active{background:#f6bd2a;color:#16324d;box-shadow:none;font-weight:650}
.ui-icon{width:20px;height:20px;flex-shrink:0;display:block}
.nav-short,.pro-nav .nav-more{display:none}
.pro-nav .battle-nav-badge,.pro-nav .friends-nav-badge{flex-shrink:0;margin:0;padding:1px 5px;min-width:18px;font-size:10px;line-height:16px;color:#18344b;background:#ffe19b}
.section-title{margin-top:24px;align-items:center;flex-wrap:wrap}
.section-title h3{font-size:clamp(21px,2vw,25px);line-height:1.35}
.setup{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.field,.field input,.field select{min-width:0}
.field label{font-size:13px;font-weight:600}
.field-label{display:block;font-size:13px;font-weight:600;color:#4c667d;margin-bottom:7px;line-height:1.5}
.field-readonly{min-height:48px;margin:0;padding:12px;border:1px solid #d9e4ee;border-radius:11px;background:#f2f6fb;color:#526e85;font-size:14px;line-height:1.65;overflow-wrap:anywhere}
.field input,.field select{min-height:48px;border-radius:11px;background:#f9fbfe;border-color:#c8d8e5}
.grade-grid,.mission-grid{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:16px}
.badge-grid{grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:14px}
.grade-card,.mission-card,.badge-card{padding:20px}
.grade-card h4,.mission-card h4,.badge-card h4{line-height:1.4}
.grade-card p,.mission-card p,.badge-card p{font-size:14px}
.tag,.pill{overflow-wrap:anywhere}
.term-tabs{flex-wrap:wrap;overflow:visible;gap:8px}
.term-tab{flex:1 1 120px;min-width:0;max-width:180px;border-radius:11px}
.home-dashboard-shell{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:20px}
.home-command-panel{padding:24px;border-radius:22px;background:linear-gradient(140deg,#073257,#095a91);box-shadow:var(--sand-shadow)}
.home-command-panel::before,.home-command-panel::after{display:none}
.home-brand-name{text-shadow:none;font-size:20px;line-height:1.3}
.home-brand-logo{width:42px;height:42px;border-radius:12px;box-shadow:none}
.home-player-card{border-radius:16px;box-shadow:none;padding:18px;grid-template-columns:auto minmax(0,1fr) auto}
.home-player-copy h2{font-size:clamp(20px,2vw,27px);overflow-wrap:anywhere}
.home-player-meta{font-size:12px}
.home-resource-strip>div{border-radius:11px;gap:10px;align-items:flex-start;flex-wrap:wrap}
.home-resource-strip b,.home-snapshot-grid b{white-space:normal;overflow:visible;text-overflow:clip;overflow-wrap:anywhere}
.home-main-cta,.home-bank-cta{border-radius:14px;box-shadow:none;transform:none!important}
.home-main-cta{background:#f6bd2a}
.home-bank-cta{background:#ffffff14;border:1px solid #ffffff45;color:white}
.home-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.home-quick-tile{min-height:104px;padding:14px 10px;border-radius:14px;background:#ffffff;color:#174465;border:1px solid #dbe6ee;box-shadow:none;transform:none!important;filter:none!important}
.home-quick-tile:hover{background:#edf6fe}
.home-quick-tile>span{font-size:24px;margin-bottom:8px}
.home-quick-tile>span .ui-icon{width:25px;height:25px}
.home-main-cta>span .ui-icon,.home-bank-cta>span .ui-icon{width:30px;height:30px}
.home-current-world>span .ui-icon{width:25px;height:25px}
.home-quick-tile small{color:#576f85}
.home-side-stack{display:grid;grid-template-columns:1fr;gap:16px}
.home-side-stack .card{padding:22px}
.home-rank-card{background:#fffdf6!important}
.home-rank-icon{font-size:32px}
.home-card-eyebrow{font-size:11px;letter-spacing:.06em}
.home-snapshot-grid{grid-template-columns:1fr 1fr;gap:10px}
.home-snapshot-grid>div{background:#f5f8fc;border-color:#e0e8f0}
.home-grade-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}
.quest-grid{gap:16px}
.quest-card:nth-child(n){background:#fff}
.play-layout{grid-template-columns:minmax(0,1fr) 270px;gap:20px}
.question{font-size:clamp(22px,1.8vw,28px);line-height:1.5;overflow-wrap:anywhere}
.question-head{flex-direction:row;align-items:center;flex-wrap:wrap}
.q-target{max-width:100%;overflow-wrap:anywhere}
.choice,.battle-choice{font-size:16px;line-height:1.6;border-radius:12px;min-height:58px;padding:15px 16px;box-shadow:none}
.feedback{padding:16px;line-height:1.7}
.side-stat{align-items:center}
.side-stat strong{min-width:0;overflow-wrap:anywhere;text-align:right}
.battle-hero,.social-hero,.leaderboard-hub-head,.pro-hero{border-radius:20px;background:linear-gradient(120deg,#073257,#095a91);box-shadow:none;padding:24px}
.battle-shell,.social-shell,#leaderboard,.pro-shell{max-width:100%}
.battle-emblem{transform:none;width:76px;height:76px;border-radius:20px}
.battle-hero h2,.social-hero h2,.leaderboard-hub-head h2{font-size:clamp(25px,2.5vw,32px);line-height:1.3}
.battle-mode{min-height:80px;background:#f6f9fc;border-radius:12px}
.battle-modes{grid-template-columns:repeat(auto-fit,minmax(min(4.5rem,100%),1fr))}
.battle-mode small{overflow-wrap:anywhere}
.battle-mode[aria-pressed=true]{border-color:#b28717;background:#fff5cf;box-shadow:none}
.battle-status,.social-status,.leaderboard-status{line-height:1.65}
.ranked-row{gap:16px;padding:18px 10px}
.ranked-stats{gap:10px}
.leaderboard-hub-head>div:first-child{flex:1;min-width:0}
.leaderboard-tabs{min-width:220px}
.leaderboard-table-wrap,.mastery-table{max-width:100%}
.mastery-table{table-layout:fixed;overflow-wrap:anywhere}
.frame-profile,.frame-store{border-radius:20px;padding:24px;box-shadow:none}
.frame-card,.frame-owned{box-shadow:none}
.avatar-defaults{grid-template-columns:repeat(auto-fit,minmax(78px,1fr));gap:10px}
.avatar-option{min-height:92px;padding:14px 8px;overflow-wrap:anywhere}
.frame-owned-list{grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:12px}
.frame-owned{padding:18px 10px 12px}
.frame-store-grid{gap:16px}
.frame-profile .avatar-shell,.frame-store .avatar-shell{aspect-ratio:1}
.register-card,.install-offer-card{border-radius:22px}
.register-card{padding:28px;scroll-padding-block:16px}
.register-title{text-shadow:none}
.register-logo,.install-offer-logo{object-fit:contain;aspect-ratio:1}
.toast{z-index:10000;bottom:max(16px,env(safe-area-inset-bottom));right:16px;background:#113b5e;color:#fff;border-color:#ffffff25;box-shadow:0 6px 22px #102d4930}
.footer{display:flex;align-items:center;flex-direction:column;gap:4px;color:#5f7489;font-size:12px;line-height:1.7;padding:30px 12px 16px}
.footer>strong{font-family:var(--font-heading);font-size:14px;color:#254c6b;letter-spacing:.035em}
@media(max-width:1100px){
 .topbar{grid-template-columns:1fr;gap:18px;padding:20px}.header-tools{justify-content:flex-start;flex-wrap:wrap}.header-balances{margin-right:auto}
 .player-stats>.stats{right:0}
 .home-dashboard-shell{grid-template-columns:1fr 1fr}.home-side-stack .card{padding:18px}
 .home-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-resource-strip{grid-template-columns:1fr 1fr}.home-resource-strip>div:nth-child(3){grid-column:1/-1}
 .home-player-card{grid-template-columns:auto minmax(0,1fr)}.home-level-badge{grid-column:1/-1;padding:7px;justify-self:stretch}
 .home-grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .play-layout{grid-template-columns:minmax(0,1fr)}.play-layout>aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}
}
@media(max-width:900px){
 .app{padding:calc(12px + env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.topbar{padding:16px;border-radius:18px 18px 0 0;gap:16px;display:grid;margin:0}
 .brand h1{font-size:21px}.brand p{font-size:11px}.brand .logo.brand-logo{width:46px;height:46px}
 .header-tools{gap:8px}.header-balances{gap:22px;padding:0}.header-balance>b{font-size:19px}.header-balance>span{font-size:11px}
 .player-stats>summary,.topbar #installBtn{font-size:12px;min-height:44px;padding:10px}
 .pro-nav{grid-template-columns:repeat(5,minmax(0,1fr))!important;padding:6px;gap:2px;margin-bottom:18px;max-height:calc(100dvh - 12px - env(safe-area-inset-top));overflow-y:auto;overscroll-behavior:contain;border-radius:0 0 16px 16px;scrollbar-width:thin;top:env(safe-area-inset-top)}
 .pro-nav button{flex:none;min-width:0;display:flex;flex-direction:column;gap:5px;padding:10px 2px;min-height:61px;font-size:11px;line-height:1.3;overflow-wrap:anywhere}
 .pro-nav .ui-icon{width:21px;height:21px}
 .pro-nav .nav-label{font-size:11px}
 .pro-nav [data-view=battle] .nav-label,.pro-nav [data-view=leaderboard] .nav-label{display:none}
 .nav-short,.pro-nav .nav-more{display:flex}
 .pro-nav .nav-extra{display:none}
 .pro-nav .nav-more{grid-column:5;grid-row:1}
 .pro-nav.is-expanded{grid-template-columns:repeat(10,minmax(0,1fr))!important}
 .pro-nav.is-expanded .nav-primary{grid-column:span 2;grid-row:1}
 .pro-nav.is-expanded .nav-more{grid-column:9/11;grid-row:1}
 .pro-nav.is-expanded .nav-extra{display:flex;flex-direction:row;justify-content:flex-start;gap:10px;grid-column:span 5;min-height:48px;padding:12px;font-size:13px}
 .pro-nav.is-expanded .nav-extra .nav-label{font-size:13px}
 .pro-nav .battle-nav-badge,.pro-nav .friends-nav-badge{position:absolute;right:3px;top:4px;font-size:9px;min-width:15px;line-height:14px;padding:0 3px}
 .player-stats>.stats{width:300px}
 .home-dashboard-shell{grid-template-columns:1fr;gap:16px}.home-command-panel{padding:20px;border-radius:20px}
 .home-brand-row{gap:12px;margin-bottom:18px}.home-brand-name{font-size:18px}.home-brand-tagline{font-size:10px;letter-spacing:.08em}
 .home-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home-quick-tile{min-height:100px;padding:12px 8px}.home-quick-tile b{font-size:13px}.home-quick-tile small{font-size:11px}
 .home-side-stack{grid-template-columns:1fr 1fr}.home-snapshot-card{grid-column:1/-1}.home-snapshot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .setup{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.section-title{gap:12px;margin-top:20px}.section-title p{font-size:14px}
 .choices{grid-template-columns:1fr}.question{font-size:22px;margin:18px 0}
 .battle-hero,.social-hero,.leaderboard-hub-head,.pro-hero{padding:20px}.battle-emblem{width:60px;height:60px;font-size:24px}
 .battle-hero h2,.social-hero h2,.leaderboard-hub-head h2{font-size:26px}
 .grade-grid,.mission-grid,.badge-grid{grid-template-columns:1fr 1fr}
 .card,.battle-card{padding:20px}.frame-profile,.frame-store{padding:20px}.frame-heading{align-items:flex-start}
 .leaderboard-tabs{width:100%;min-width:0}.leaderboard-tabs button{font-size:14px}
 .ranked-leaderboard-layout{gap:16px}.ranked-row{gap:12px}
}
@media(max-width:480px){
 .topbar{padding:16px}.header-tools{display:grid;grid-template-columns:1fr 1fr;gap:10px}.header-balances{grid-column:1/-1;margin:0;justify-content:space-between;border-top:1px solid #ffffff25;padding-top:12px;gap:12px}
 .header-balance{flex:1}.player-stats>summary{justify-content:center}.topbar #installBtn{width:100%}
 .player-stats>.stats{right:auto;left:0;width:min(300px,calc(100vw - 56px));grid-template-columns:1fr 1fr;max-width:none}
 .stats>.pill{padding:10px;font-size:12px}.stats b{font-size:14px}
 .home-command-panel{padding:18px}.home-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-player-card{padding:14px;gap:14px}.home-player-copy h2{font-size:21px}.home-avatar-wrap{width:54px;height:54px}
 .home-side-stack{grid-template-columns:1fr}.home-snapshot-card{grid-column:auto}.home-snapshot-grid{grid-template-columns:1fr 1fr}.home-grade-grid{grid-template-columns:1fr!important}
 .home-install-mini{font-size:12px;min-height:44px}.home-brand-row{flex-wrap:wrap}
 .grade-grid,.mission-grid,.badge-grid,.setup{grid-template-columns:1fr}.grade-card,.mission-card,.badge-card{padding:18px}
 .card,.battle-card{padding:18px;border-radius:18px}.battle-hero,.social-hero,.leaderboard-hub-head,.pro-hero{padding:20px 18px}
 .battle-hero{align-items:flex-start}.battle-emblem{width:48px;height:48px;border-radius:14px}.battle-hero h2{font-size:25px}
 .battle-hero p,.social-hero p{font-size:14px}.battle-modes{gap:8px}.battle-mode{min-height:74px;padding:12px 6px}.battle-mode strong{font-size:19px}
 .battle-note,.battle-status{font-size:14px}.battle-scoreboard{gap:8px}.battle-team{padding:12px}
 .play-layout>aside{display:block}.question-head{flex-direction:column;align-items:flex-start}.choices{gap:10px}.choice,.battle-choice{padding:14px;font-size:16px}
 .result .score{font-size:52px}.ranked-recap div{flex:1;min-width:96px}
 .frame-profile,.frame-store{padding:18px}.frame-store-grid{gap:12px}.frame-card{padding:16px 10px}
 .register-card{padding:24px 20px}.register-brand{gap:12px}.registration-gate{padding:12px}
 .footer{font-size:11px;padding-inline:8px}
}
@media(max-height:520px) and (orientation:landscape){
 .topbar{display:grid}.pro-nav{position:relative;top:auto}.app{padding-top:calc(12px + env(safe-area-inset-top))}.play-layout{grid-template-columns:1fr}.player-stats>.stats{position:fixed;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));left:auto;max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overflow-y:auto}
 .register-card,.install-offer-card{max-height:calc(100dvh - 24px)}
 .registration-gate{padding:12px}.registration-gate.show{display:flex;align-items:center;justify-content:center}.registration-gate .auth-showcase{display:none}.registration-gate .register-card{width:min(560px,100%);flex:none}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}