:root{--arena-bg:#f6f3e7;--arena-ink:#123d30;--arena-muted:#536458;--arena-green:#07563f;--arena-teal:#0b9877;--arena-gold:#d7ae4c;--arena-surface:#fffdf6;--arena-line:#d9dfcb;--arena-radius:16px}
.arena-page{background:var(--arena-bg);color:var(--arena-ink);font:15px/1.55 'Segoe UI',system-ui,sans-serif;overflow-x:hidden}.arena-page *{box-sizing:border-box}.arena-page .workspace-content{min-width:0;background:var(--arena-bg)}.arena-page .workspace-topbar{padding:18px 28px;min-height:64px;border-bottom:0;background:transparent;box-shadow:none;display:flex;align-items:center;justify-content:space-between}.arena-page .workspace-breadcrumb{display:flex;gap:12px;font-size:14px;color:var(--arena-muted)}.arena-page .workspace-breadcrumb a{color:var(--arena-ink);text-decoration:none}.arena-main{max-width:1500px;margin:0 auto;padding:0 28px 34px}.arena-page h1,.arena-page h2{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.025em;line-height:1.15;color:var(--arena-ink)}.arena-page button,.arena-page input,.arena-page select{font-family:'Segoe UI',system-ui,sans-serif}.arena-page button{cursor:pointer}.arena-page button:disabled{cursor:not-allowed;opacity:.55}.arena-page [hidden]{display:none!important}.arena-page :focus-visible{outline:3px solid var(--arena-gold);outline-offset:4px}.arena-hero{position:relative;overflow:hidden;isolation:isolate;min-height:260px;padding:34px 38px;background:linear-gradient(110deg,#faf8ef,#f5f4e9);border:1px solid #e6e6d9;border-radius:16px;box-shadow:0 10px 26px #183f2910}.arena-hero-copy{position:relative;z-index:1;width:60%}.arena-hero h1{font-size:clamp(30px,3.15vw,46px);margin:0 0 12px}.arena-hero p{margin:0 0 20px;font-size:17px}.arena-hero-art{position:absolute;right:-18px;bottom:-28px;width:48%;height:320px;object-fit:contain;object-position:right bottom;z-index:0}.arena-hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.arena-hero small{font-size:12px;color:var(--arena-muted)}.arena-hero .arena-access-status{font:12px/1.5 'Segoe UI',system-ui,sans-serif;margin:6px 0 0;color:var(--arena-muted)}
.arena-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;min-height:44px;border:1px solid #087b5e;border-radius:11px;background:linear-gradient(135deg,#0b9877,#07563f);color:#fff;text-decoration:none;box-shadow:inset 0 1px 0 #ffffff55,0 4px 0 #064936,0 6px 10px #123c2514;font:650 14px/1.25 'Segoe UI',system-ui,sans-serif;transition:transform .14s,box-shadow .14s}.arena-button:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 #ffffff55,0 5px 0 #064936,0 10px 14px #123c2520}.arena-button:active{transform:translateY(2px);box-shadow:0 1px 0 #064936}.arena-button-light{background:#fffdf6;color:var(--arena-ink);border-color:#b9cabc;box-shadow:0 3px 0 #bac4ae}.arena-text-button{border:0;background:transparent;color:var(--arena-green);font-size:13px;font-weight:600;padding:10px;text-decoration:underline;text-underline-offset:3px;min-height:40px}
.arena-toolbar{display:flex;align-items:center;gap:22px;margin:24px 0}.arena-search{display:flex;align-items:center;gap:10px;flex:1;min-width:170px;max-width:440px;background:#fff;border:1px solid #d9ded2;border-radius:12px;padding:11px 14px}.arena-search svg{width:20px;height:20px;fill:none;stroke:#728778;stroke-width:1.8;flex-shrink:0}.arena-search input{width:100%;border:0;background:none;font-size:14px;color:var(--arena-ink);min-width:0;outline:none}.arena-filters{display:flex;gap:7px;flex-wrap:wrap}.arena-filters button{border:1px solid #d2d9c8;border-radius:22px;padding:10px 15px;background:transparent;color:var(--arena-ink);font-size:12px;white-space:nowrap}.arena-filters button[aria-pressed=true]{background:var(--arena-teal);border-color:var(--arena-teal);color:white;font-weight:650}.arena-list-heading{display:flex;align-items:center;justify-content:space-between;margin:20px 0 14px;gap:12px}.arena-list-heading h2{font-size:29px;margin:0}.arena-list-heading span{font-size:12px;color:var(--arena-muted)}.arena-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.arena-card{min-width:0;overflow:hidden;border:1px solid #e3e5d8;border-radius:12px;background:var(--arena-surface);box-shadow:0 4px 0 #e2e5d3,0 8px 16px #123c2509;display:flex;flex-direction:column;transition:transform .18s}.arena-card:hover{transform:translateY(-3px)}.arena-card-art{width:100%;height:126px;object-fit:cover;background:#dee8d2}.arena-card-copy{padding:13px 14px 16px;display:flex;flex-direction:column;flex:1}.arena-card-name{display:flex;align-items:start;justify-content:space-between;gap:7px}.arena-card h3{font:700 16px/1.2 'Segoe UI',system-ui,sans-serif;margin:0 0 4px;color:var(--arena-ink)}.arena-free-label{font-size:9px;line-height:1.2;white-space:nowrap;border-radius:14px;background:#d5f7cd;color:#146742;padding:5px 7px}.arena-subject{color:var(--arena-muted);font-size:12px}.arena-card p{font-size:13px;line-height:1.45;color:#536057;margin:7px 0 12px;min-height:36px}.arena-card .arena-button{margin-top:auto;min-height:35px;padding:8px;font-size:12px;box-shadow:0 3px 0 #064936;border-radius:8px}.arena-best{font-size:11px;color:#6b765a;margin:5px 0 9px;min-height:17px}.arena-footnote{background:#eaeade;border-radius:12px;text-align:center;padding:12px;margin-top:24px;font-size:12px;color:#445e4b}.arena-empty{padding:60px;text-align:center;color:var(--arena-muted)}
.arena-dialog{position:fixed;margin:auto;width:min(460px,calc(100% - 28px));max-height:calc(100dvh - 44px);overflow:auto;padding:32px;border:1px solid #bccaae;border-radius:22px;background:#fcfaf1;color:var(--arena-ink);box-shadow:0 7px 0 #93a780,0 22px 70px #06362b40;font:14px/1.6 'Segoe UI',system-ui,sans-serif}.arena-dialog::backdrop{background:#052e26b5;backdrop-filter:blur(5px)}.arena-dialog-close{position:absolute;right:15px;top:10px;border:0;background:none;font:26px/1 system-ui;color:#46624e;padding:8px;min-width:40px}.arena-dialog h2{font:700 28px/1.2 Georgia,serif;margin:15px 0 14px}.arena-dialog p{color:#516b5a}.arena-dialog label{display:grid;gap:7px;font-weight:600;margin:16px 0}.arena-dialog label span{font-weight:400;font-size:12px;color:#667760}.arena-dialog input,.arena-dialog select{width:100%;min-height:45px;border:1px solid #c4d1bb;border-radius:10px;padding:10px 12px;font-size:14px;background:#fffef7;color:#183c2b}.arena-dialog .arena-button{width:100%;margin-top:12px}.arena-dialog small{display:block;margin-top:16px;color:#687462;font-size:11px}.arena-setup-art{height:105px;width:100%;object-fit:cover;border-radius:12px}.arena-setup-note{font-size:12px;padding:12px;background:#ebf0df;border-radius:10px;color:#536c56}.arena-guide{width:min(660px,calc(100% - 28px))}.arena-guide li{margin:10px 0}.arena-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100;background:#123d30;color:#fff;padding:12px 20px;border-radius:14px;box-shadow:0 10px 30px #082b2235;max-width:calc(100% - 30px);text-align:center;font-size:13px}
.arena-play-view{padding:20px 28px 30px;max-width:1540px;margin:auto}.arena-page.arena-playing .workspace-sidebar,.arena-page.arena-playing .workspace-topbar{display:none}.arena-page.arena-playing .workspace-content{margin-left:0;width:100%}.arena-game-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.arena-game-heading{text-align:center}.arena-game-heading h1{font-size:34px;margin:0 0 7px}.arena-game-heading p{margin:0;font-size:15px;color:var(--arena-muted)}.arena-game-actions{display:flex;gap:8px}.arena-game-actions button{white-space:nowrap}.arena-session{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--arena-muted);gap:12px;margin:15px 0}.arena-session strong{color:var(--arena-green)}.arena-challenge{max-width:780px;margin:20px auto 0;padding:32px;border:1px solid #d2d9c3;border-radius:23px;background:#fffdf3;box-shadow:0 7px 0 #d4dcbf,0 20px 38px #16382710;text-align:center}.arena-challenge h2{font-size:32px;margin:12px 0 24px}.arena-question-title{font:700 22px/1.4 'Segoe UI',system-ui,sans-serif!important;letter-spacing:0!important}.arena-progress{height:8px;background:#e0e4d3;border-radius:10px;overflow:hidden;margin:20px 0}.arena-progress>span{display:block;height:100%;background:linear-gradient(90deg,#079874,#c4c950);transition:width .3s}.arena-answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.arena-answer{font:650 18px/1.25 'Segoe UI',system-ui,sans-serif;border:1px solid #baceaf;background:#f0f5df;border-radius:13px;min-height:70px;padding:15px;color:#194d38;box-shadow:0 4px 0 #bacaa7;transition:transform .15s,background .15s}.arena-answer:hover:not(:disabled){background:#dcecc4;transform:translateY(-2px)}.arena-answer.is-right{background:#c3efcb;border-color:#1d8d4e}.arena-answer.is-wrong{background:#fde4d9;border-color:#e39067}.arena-feedback{padding:16px;border-radius:13px;text-align:left;margin:20px 0 0;font-size:14px;background:#edf3dc;color:#315736;min-height:54px}.arena-feedback.is-wrong{background:#fff0e4;color:#9a4927}.arena-feedback[hidden]{display:none}.arena-answer-grid button.selected{background:#cfedcd;border-color:#12805e}.arena-answer-grid button.solved{opacity:.45;box-shadow:none}.arena-word-bank,.arena-word-line{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;min-height:52px;padding:12px}.arena-word-line{margin-bottom:16px;background:#ebf1dc;border:1px dashed #c1cfaf;border-radius:12px}.arena-word-bank button,.arena-word-line button{background:#f6edd9;border:1px solid #d7c397;border-radius:10px;box-shadow:0 3px 0 #c4b58c;padding:10px 14px;font-size:17px;color:#553f22}.arena-result{text-align:center;padding:28px}.arena-result img{width:100px;height:100px;object-fit:contain}.arena-result h2{font-size:34px}.arena-result-score{font:700 42px/1.2 Georgia,serif;color:#0b7859;margin:20px}.arena-result p{color:var(--arena-muted)}.arena-star-row{display:flex;justify-content:center;gap:10px;margin:14px}.arena-star-row img{width:40px;height:40px}.arena-star-row img.dim{opacity:.22;filter:grayscale(1)}
.arena-maze-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.arena-map-shell{border:1px solid #789c62;border-radius:18px;overflow:hidden;background:#eff0d9;box-shadow:0 6px 0 #a8ba8e}.arena-map-shell canvas{width:100%!important;height:auto!important;display:block;touch-action:none;outline-offset:-4px}.arena-map-loading{padding:80px 30px;text-align:center}.arena-journal{border:1px solid #d6dbc7;border-radius:16px;background:#fcfaf2;padding:20px}.arena-journal h2{font-size:25px;margin:0 0 12px}.arena-journal-count{font-weight:700;text-align:center;font-size:18px}.arena-stations{list-style:none;margin:16px 0;padding:0}.arena-stations li{display:flex;align-items:center;gap:10px;border:1px solid #e0e5d4;background:#fffdf5;border-radius:11px;padding:12px;margin-bottom:8px;font-size:13px}.arena-stations li>span{display:grid;place-items:center;border:1px solid #adc4a2;border-radius:50%;width:24px;height:24px;flex-shrink:0;font-weight:700;color:#185f44}.arena-stations li.complete{background:#e6f2d9;color:#15754e}.arena-stations li.complete>span{background:#0c9870;color:white;border-color:#0c9870}.arena-journal-status{font-size:13px;line-height:1.5;color:var(--arena-muted);min-height:40px}.arena-journal>.arena-button{width:100%;margin:5px 0}.arena-journal>.arena-text-button{width:100%}.arena-dpad{display:grid;grid-template-columns:repeat(3,48px);grid-template-rows:repeat(2,48px);gap:8px;justify-content:center;margin:22px auto 12px}.arena-dpad button{border:1px solid #138968;border-radius:11px;background:linear-gradient(135deg,#139976,#07624b);color:#fff;box-shadow:0 4px 0 #06533e;display:grid;place-items:center;touch-action:manipulation}.arena-dpad svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.arena-dpad [data-direction=up]{grid-column:2}.arena-dpad [data-direction=left]{grid-column:1;grid-row:2}.arena-dpad [data-direction=down]{grid-column:2;grid-row:2}.arena-dpad [data-direction=right]{grid-column:3;grid-row:2}.arena-maze-note{font-size:12px;margin:18px 0;color:var(--arena-muted)}.arena-field-notes{border:1px solid #d2d9c7;border-radius:12px;padding:15px;margin:18px 0;background:#fffdf4}.arena-field-notes summary{cursor:pointer;font-weight:650;color:var(--arena-green)}.arena-field-notes p{font-size:13px;margin:12px 0 0;color:var(--arena-muted)}.arena-station-question{max-width:560px}.arena-station-question h2{font-size:26px}.arena-station-question .arena-answer{font-size:15px;min-height:48px}.arena-confetti{position:fixed;inset:0;pointer-events:none;z-index:100;overflow:hidden}.arena-confetti i{position:absolute;left:var(--x);top:-25px;width:10px;height:17px;background:var(--c);animation:arena-confetti-fall 1.6s var(--delay) ease-in forwards}.arena-promo{padding:20px;background:#f7f5e9;border:1px solid #d5ddc6;border-radius:18px;margin:22px 0;display:flex;align-items:center;gap:24px}.arena-promo img{width:150px;height:100px;object-fit:contain}.arena-promo h3{font:700 26px/1.1 Georgia,serif;margin:0 0 8px;color:#16452f}.arena-promo p{color:#536954;margin:0;font-size:14px}.arena-promo .arena-promo-actions{margin-left:auto;display:grid;gap:10px;white-space:nowrap}.arena-promo strong{font-size:24px;color:#0c6147}.arena-promo a{color:#075c45;font-weight:650;font-size:14px}.arena-promo .resource-save{position:static;margin-top:10px}
@keyframes arena-confetti-fall{to{transform:translateY(95vh) rotate(280deg);opacity:.2}}@media(min-width:1500px){.arena-grid{gap:22px}.arena-card-art{height:145px}}@media(max-width:1250px){.arena-toolbar{flex-wrap:wrap}.arena-search{max-width:none}.arena-filters{width:100%}.arena-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.arena-hero-copy{width:65%}.arena-hero-art{width:45%;opacity:.92}.arena-hero h1{font-size:35px}}@media(max-width:900px){.arena-main{padding:0 20px 24px}.arena-page .workspace-topbar{padding:13px 20px}.arena-maze-layout{grid-template-columns:minmax(0,1fr) 240px;gap:16px}.arena-game-heading h1{font-size:28px}.arena-game-top{flex-wrap:wrap}.arena-game-heading{order:3;width:100%}.arena-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.arena-play-view{padding:16px}.arena-hero-art{width:43%;height:280px;right:-28px;bottom:-25px}}@media(max-width:650px){.arena-main{padding:0 14px 24px}.arena-page .workspace-topbar{padding:12px 14px;gap:8px}.arena-page .workspace-breadcrumb{font-size:11px;gap:5px}.arena-page .workspace-topbar>.arena-text-button{font-size:11px;padding:8px}.arena-hero{padding:24px 22px;min-height:295px}.arena-hero-copy{width:100%}.arena-hero h1{font-size:31px;max-width:270px}.arena-hero p{font-size:14px;max-width:260px;margin-bottom:18px}.arena-hero-art{width:47%;height:165px;right:-12px;bottom:-23px;z-index:-1;opacity:.65}.arena-hero small,.arena-hero .arena-access-status{max-width:215px;display:block;font-size:10px}.arena-button{font-size:12px;padding:11px 12px}.arena-toolbar{gap:12px;margin:18px 0}.arena-filters{flex-wrap:nowrap;overflow-x:auto;padding:0 0 5px;scrollbar-width:thin}.arena-filters button{padding:9px 13px;font-size:11px}.arena-list-heading h2{font-size:25px;max-width:250px}.arena-list-heading span{font-size:10px;white-space:nowrap}.arena-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.arena-card-art{height:96px}.arena-card-copy{padding:11px 10px 14px}.arena-card-name{display:block}.arena-card h3{font-size:14px}.arena-free-label{display:inline-block;font-size:8px;padding:3px 5px;margin-bottom:4px}.arena-card p{font-size:11px;min-height:43px}.arena-subject{font-size:10px}.arena-best{font-size:9px}.arena-card .arena-button{font-size:11px;min-height:34px}.arena-footnote{font-size:10px;padding:11px}.arena-maze-layout{display:flex;flex-direction:column}.arena-maze-layout>div,.arena-journal{width:100%}.arena-journal{padding:16px}.arena-stations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.arena-stations li{font-size:11px;padding:8px;margin:0}.arena-journal-count{font-size:15px}.arena-journal h2{font-size:22px}.arena-dpad{margin:17px auto}.arena-game-heading h1{font-size:29px}.arena-game-heading p{font-size:13px}.arena-game-actions button{font-size:11px}.arena-game-top>.arena-button{font-size:11px;padding:10px}.arena-session{font-size:11px;flex-wrap:wrap}.arena-challenge{padding:21px 16px}.arena-question-title{font-size:20px!important}.arena-answer{font-size:17px;min-height:58px;padding:13px}.arena-word-bank button,.arena-word-line button{font-size:15px;padding:9px 10px}.arena-promo{gap:12px;flex-wrap:wrap;padding:16px}.arena-promo img{width:80px;height:70px}.arena-promo>div:nth-child(2){flex:1}.arena-promo h3{font-size:21px}.arena-promo p{font-size:12px}.arena-promo .arena-promo-actions{display:flex;width:100%;justify-content:space-between;align-items:center}.arena-promo strong{font-size:20px}.browse-filters{overflow-x:auto}.browse-filters button{flex:none!important;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){.arena-page *{animation:none!important;transition:none!important}.arena-confetti{display:none}}
.arena-page .workspace-sidebar{background:linear-gradient(140deg,#075442,#023d32);border-color:#39664d}.arena-page .workspace-nav a[aria-current]{background:#15785e;color:#fff5de;border-left:4px solid #d7ae4c}.arena-page .workspace-nav a{border-radius:11px}.arena-page .workspace-brand{font-family:'Segoe UI',sans-serif}.arena-page .workspace-nav a:hover{background:#17664f;color:#fff}.arena-page .workspace-sidebar-bottom p{color:#bad6b7}
.arena-card{position:relative}.arena-free-label{position:absolute;top:9px;left:9px;box-shadow:0 2px 7px #163b2220}
@media(max-width:650px){.arena-journal>[data-station]:disabled{opacity:1;background:#e8eedf;border-color:#c7d4bc;color:#65795f;box-shadow:0 3px 0 #bcc7ad}}
@media(min-width:651px){.arena-hero{padding-block:22px}.arena-toolbar{margin-block:16px}.arena-card-art{height:116px}.arena-card p{margin-bottom:8px}.arena-grid{gap:16px}.arena-best:empty{display:none}}
@media(max-width:650px){.arena-play-view{padding-bottom:160px}.arena-game-top{gap:12px;margin-bottom:8px}.arena-game-heading h1{font-size:25px;margin-bottom:5px}.arena-game-heading p{font-size:12px}.arena-play-view>.arena-session{margin-block:8px}.arena-journal>[data-station]{position:fixed;bottom:82px;left:16px;width:calc(100% - 32px);z-index:21;min-height:44px;margin:0;box-shadow:0 4px 0 #064936,0 8px 18px #123c2525}.arena-journal .arena-dpad{position:fixed;bottom:max(14px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;gap:10px;margin:0;padding:8px 12px;background:#fcfaf2ee;backdrop-filter:blur(8px);border:1px solid #c8d4be;border-radius:18px;z-index:20;box-shadow:0 6px 18px #123c2520}.arena-dpad button{width:48px;height:48px;flex-shrink:0}.arena-dpad [data-direction=left]{order:1}.arena-dpad [data-direction=up]{order:2}.arena-dpad [data-direction=down]{order:3}.arena-dpad [data-direction=right]{order:4}}
@media(min-width:651px){.arena-map-shell{max-width:calc((100dvh - 235px)*var(--arena-map-ratio,1.3));margin-inline:auto}.arena-journal{padding:16px;max-height:calc(100dvh - 185px);overflow:auto}.arena-journal h2{font-size:23px}.arena-stations{margin:12px 0}.arena-stations li{padding:8px;margin-bottom:6px}.arena-journal .arena-progress{margin:12px 0}.arena-dpad{margin:14px auto 8px}.arena-journal-status{min-height:30px;margin:10px 0}.arena-journal .arena-maze-note{margin:10px 0}}