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0 10px}.setup-intro{display:flex;align-items:center;gap:20px;margin:-12px -12px 28px;padding:24px;border-radius:16px;background:linear-gradient(110deg,#e1f7fa,#f1eaff 65%,#fff0d8)}.setup-intro-copy{flex:1;min-width:0}.setup-intro-copy>p:last-child{margin:0}.trivia-artwork{display:block;width:min(100%,460px);height:auto;margin:0 auto;object-fit:contain}.trivia-artwork.compact{width:210px;flex:0 0 210px;margin:-12px -8px -12px 0}.setup-section{min-width:0;padding:22px 0 26px;border:0;border-top:1px solid var(--ui-divider);margin:0}.setup-section legend{padding:0 12px 0 0;font-size:1.08rem;font-weight:700}.step-number{display:inline-grid;place-items:center;background:#6d28d9;color:#fff;border-radius:50%;width:28px;height:28px;margin-right:8px;font-size:.85rem}.source-choices,.mode-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.choice-card{min-width:0;display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid 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.ui-input{padding-right:74px}.password-toggle{position:absolute;top:2px;right:3px;min-width:62px;min-height:44px;color:var(--ui-accent);font-size:.8rem;font-weight:700;background:transparent;border:0;cursor:pointer;border-radius:8px}.auth-switch{display:block;margin:18px auto 0;min-height:44px;padding:10px;font-size:.9rem;color:var(--ui-accent);cursor:pointer;background:transparent}.auth-credit-note{color:#166534;font-size:.9rem;margin-top:18px}.app-chrome{background:#0b1220}.app-chrome nav button{min-height:44px}.app-chrome .page-heading{text-shadow:none!important;font-family:Roboto,sans-serif;font-size:1.9rem!important;color:#f1f5f9;letter-spacing:-.03em}.app-chrome.app-chrome-light{color:#18253d;color-scheme:light;--ui-focus: #6d28d9}.app-chrome-light .page-heading{color:#18253d}.app-chrome-light .setup-subtitle{color:#475569}.app-chrome-light .app-navigation{background:#fff;border-color:#d4deec}.app-chrome-light .nav-brand{color:#0e7490}.app-chrome-light .nav-brand:hover{color:#155e75}.auth-shell>footer,.app-chrome-light>footer{color:#475569;border-color:#d4deec;background:#ffffffb3}.auth-shell>footer :is(a,button),.app-chrome-light>footer :is(a,button){color:#0e7490}.auth-shell>footer :is(a,button):hover,.app-chrome-light>footer :is(a,button):hover{color:#155e75}.mobile-board{display:none}@media(max-width:700px){.auth-main{grid-template-columns:1fr;gap:32px;padding:32px 20px}.auth-brand h1{font-size:2.15rem}.auth-benefits{display:none}.auth-brand .trivia-artwork{width:min(100%,300px)}.setup-intro{flex-direction:column-reverse;align-items:stretch;gap:12px;padding:18px;margin:-8px -8px 24px}.trivia-artwork.compact{flex:none;width:min(100%,220px);margin:-8px auto 0}.auth-card,.setup-card{padding:24px 20px}.create-row{align-items:stretch;flex-direction:column;gap:16px}.source-choices,.team-options{grid-template-columns:1fr}.choice-card{padding:12px;gap:8px}.mode-choices{gap:10px}.theme-dialog .theme-heading,.theme-dialog 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.brand-mark{width:78px;height:56px}.brand-lockup-hero .brand-name{font-size:32px}.brand-lockup-hero .brand-product{font-size:13px}.auth-tagline{margin-top:20px}.account-desktop{display:block;width:320px;flex:none}.account-mobile{display:none;min-width:0}.account-surface{border:1px solid var(--ui-divider);border-radius:20px;background:var(--ui-card);box-shadow:0 16px 40px #413b7610}.account-card{position:sticky;top:16px;overflow:hidden}.account-heading{padding:24px 24px 20px;background:linear-gradient(110deg,#e1f7fa,#f1eaff)}.account-heading h2{font-size:1.25rem;font-weight:700;letter-spacing:-.025em;margin:0 0 6px}.account-email{display:block;color:var(--ui-muted);font-size:.8rem;line-height:1.5;overflow-wrap:anywhere;margin:0}.account-tier{display:inline-block;width:fit-content;padding:5px 10px;border:1px solid #aacfd9;border-radius:20px;background:#e0f5fb;color:#155e75;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.account-heading .account-tier{margin-top:14px}.account-body{padding:24px}.account-balance>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.account-balance>div:first-child>span{color:var(--ui-muted);font-weight:600;font-size:.9rem}.account-balance strong{color:var(--ui-text);font-size:2rem;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.account-progress{height:8px;border-radius:8px;overflow:hidden;background:#e2e8f0}.account-progress>div{height:100%;background:linear-gradient(100deg,#0e7490,#6d28d9);border-radius:inherit}.account-muted{color:var(--ui-muted);font-size:.78rem;line-height:1.5;margin:10px 0 0}.credit-breakdown{margin-top:16px;color:var(--ui-muted);font-size:.85rem;line-height:1.5}.credit-breakdown dl{margin:0}.credit-breakdown dl>div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin:6px 0}.credit-breakdown dt{min-width:0}.credit-breakdown 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strong{font-size:1.5rem;color:var(--ui-text);line-height:1.2}.account-mobile-details{padding:20px;margin-top:10px}.review-setup-layout{display:flex;align-items:flex-start;gap:24px}.review-setup-layout>.setup-card{flex:1;min-width:0}@media(max-width:1023px){.account-desktop{display:none}.account-mobile{display:block}.review-setup-layout{flex-direction:column;align-items:stretch}}@media(max-width:400px){.brand-lockup{gap:8px;padding:8px}.brand-mark{width:44px;height:32px}.brand-lockup .brand-name{font-size:21px}.brand-product{font-size:10px}.brand-lockup-hero{padding:14px;gap:12px}.brand-lockup-hero .brand-mark{width:64px;height:46px}.brand-lockup-hero .brand-name{font-size:28px}.brand-lockup-hero .brand-product{font-size:12px}.account-mobile-toggle{padding:14px;gap:8px}}.board-surface{--board-panel:#131f30;--board-soft:#1b2b42;--board-text:#f1f5f9;--board-muted:#b7c5d6;--board-border:#73839a;--board-divider:#35465c;--board-accent:#a5f3fc;--board-positive:#86efac;--board-warning:#fbbf24;--board-negative:#fda4af;--board-played:#172033;--ui-focus:#67e8f9;color:var(--board-text);color-scheme:dark;font-family:Roboto,sans-serif}.board-surface[data-appearance=light]{--board-panel:#fff;--board-soft:#f2f5fc;--board-text:#18253d;--board-muted:#475569;--board-border:#71819a;--board-divider:#d4deec;--board-accent:#6d28d9;--board-positive:#166534;--board-warning:#b45309;--board-negative:#b91c1c;--board-played:#eef2f8;--ui-focus:#6d28d9;color:var(--board-text);color-scheme:light}.game-shell{background-size:cover;background-position:center}.game-shell.theme-colorful,.game-preview.theme-colorful,.student-stage.theme-colorful{background:radial-gradient(ellipse at 12% 20%,#ccf5f2,transparent 50%),radial-gradient(ellipse at 90% 12%,#eadfff,transparent 42%),#f6f8ff}.game-shell.theme-dark,.game-preview.theme-dark{background-color:#0b1220}.game-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#040a1466}.game-shell[data-appearance=light] .game-backdrop{background:#f6f8ff1f}.game-shell .game-header{padding:16px 24px;border-radius:18px;background:var(--board-panel);border:1px solid var(--board-divider);max-width:100%}.game-shell .game-header h1{color:var(--board-text);font-family:Roboto,sans-serif;font-size:clamp(1.2rem,2vw,1.75rem);text-shadow:none!important}.game-shell .game-header .game-topic{color:var(--board-muted)}.game-shell[data-appearance=light] .app-navigation{background:#fff;border-color:#d4deec}.game-shell[data-appearance=light] .nav-brand{color:#155e75}.game-shell[data-appearance=light] .nav-brand:hover{color:#164e63}.game-shell[data-appearance=light] footer{background:#fff;color:#475569;border-color:#d4deec}.game-shell[data-appearance=light] footer :is(a,button){color:#155e75}.game-shell[data-appearance=light] footer :is(a,button):hover{color:#164e63}.game-board,.scoreboard{padding:20px;border:1px solid var(--board-divider);border-radius:20px;background:var(--board-panel);box-shadow:0 12px 32px #04112514}.board-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.board-heading h2,.scoreboard h2{font-size:1.15rem;font-weight:700;margin:0 0 5px;letter-spacing:-.02em}.board-heading p{font-size:.85rem;line-height:1.5;color:var(--board-muted);margin:0}.board-progress{padding:7px 11px;border-radius:20px;background:var(--board-soft);color:var(--board-muted);font-size:.75rem;font-weight:600;white-space:nowrap}.board-grid{display:grid;gap:10px}.board-row{display:contents}.board-grid [role=cell]{min-width:0}.game-category{min-height:64px;display:flex;align-items:center;justify-content:center;padding:10px 8px;border-radius:12px;background:var(--column-ink);color:#fff;text-align:center;font-size:clamp(.75rem,1.2vw,1rem);font-weight:700;line-height:1.4;overflow-wrap:anywhere}.game-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;width:100%;min-height:clamp(64px,8vh,90px);padding:10px 4px;border:1px solid var(--board-border);border-top:3px solid var(--column-ink);border-radius:12px;background:var(--board-soft);color:var(--column-bright);cursor:pointer;transition:border-color .15s,box-shadow .15s}.board-surface[data-appearance=light] .game-tile{background:var(--column-soft);color:var(--column-ink)}.game-tile:hover:not(:disabled){border-color:var(--board-accent);box-shadow:0 4px 14px #04112522}.tile-value{font-size:clamp(1.35rem,2.5vw,2rem);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15}.tile-caption{font-size:.7rem;color:var(--board-muted);font-weight:600}.game-tile.played,.board-surface[data-appearance=light] .game-tile.played{background:var(--board-played);color:var(--board-muted);border:1px solid var(--board-divider);opacity:1;cursor:default}.game-tile.played .tile-value{font-size:1.25rem}.board-input{width:100%;min-height:46px;border:1px solid var(--board-border);border-radius:10px;padding:10px 12px;background:var(--board-panel);color:var(--board-text);font:inherit}.board-input::placeholder{color:var(--board-muted)}.mobile-board label{display:block;font-size:.9rem;font-weight:700;margin-bottom:8px}.mobile-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.board-button{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;border:1px solid var(--board-border);border-radius:10px;color:var(--board-text);background:var(--board-soft);font-weight:700;cursor:pointer}.board-button.primary{color:#fff;background:#0e7490;border-color:#0e7490}.board-surface[data-appearance=light] .board-button.primary{background:linear-gradient(105deg,#0e7490,#6d28d9);border-color:#0e7490}.board-button.danger{background:#b91c1c;color:#fff;border-color:#b91c1c}.board-button:disabled{opacity:.55;cursor:default}.board-button:hover:not(:disabled){filter:brightness(.92)}.scoreboard h2{margin-bottom:14px}.scoreboard{background:#131f30b8;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.scoreboard[data-appearance=light]{--board-accent:#4c1d95;background:#ffffffad}.scoreboard .score-card{background:transparent}.scoreboard .score-adjust{background:#131f3033}.scoreboard[data-appearance=light] .score-adjust{background:#fff3}.scoreboard .score-adjustment{background:var(--board-panel)}.score-list{display:grid;gap:12px}.score-card{border:1px solid var(--board-border);border-radius:14px;background:var(--board-soft);overflow:hidden}.score-card.active{border:2px solid var(--board-accent)}.score-select{width:100%;display:flex;flex-direction:column;align-items:center;gap:5px;padding:14px;border:0;background:transparent;color:var(--board-text);border-radius:12px}button.score-select{cursor:pointer}button.score-select:focus-visible{outline-offset:-5px}.score-name{font-size:.95rem;font-weight:700;overflow-wrap:anywhere;text-align:center}.score-value{font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.score-value.positive{color:var(--board-positive)}.score-value.negative,.score-error{color:var(--board-negative)}.score-turn{font-size:.75rem;font-weight:600;color:var(--board-muted)}.score-card.active .score-turn{color:var(--board-accent)}.score-adjust{display:block;width:100%;min-height:44px;border:0;border-top:1px solid var(--board-divider);color:var(--board-accent);background:var(--board-panel);font-size:.8rem;font-weight:600;cursor:pointer}.score-adjust:focus-visible{outline-offset:-4px}.score-adjustment{padding:12px;border-top:1px solid var(--board-divider)}.score-adjustment label{display:block;font-size:.75rem;font-weight:600;margin-bottom:8px}.score-adjust-row{display:flex;align-items:center;gap:6px}.score-adjust-row .board-button{flex:0 0 44px;padding:0;font-size:1.25rem}.score-adjust-row .board-input{min-width:0;text-align:center;padding:8px 4px}.score-error{font-size:.75rem;margin-top:8px}.question-dialog{background:var(--board-panel);border-color:var(--board-border)}.question-card{background:var(--board-panel);color:var(--board-text);display:flex;flex-direction:column;max-height:calc(100dvh - 36px)}.question-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--board-divider)}.question-heading h2{color:var(--board-accent);font-size:1.2rem;font-weight:700}.question-heading button{width:44px;min-height:44px;color:var(--board-muted);border-radius:8px}.question-content{padding:32px;overflow-y:auto;min-height:0;text-align:center;overflow-wrap:anywhere}.question-text{font-size:clamp(1.3rem,2.7vw,2.1rem);line-height:1.5;font-weight:600}.question-muted,.question-copyright{color:var(--board-muted)}.question-accent{color:var(--board-accent)}.question-special{color:var(--board-accent);font-size:2rem;font-weight:800}.question-feedback{padding:16px;border-radius:12px;background:var(--board-soft);color:var(--board-negative);font-size:1.6rem;font-weight:800}.question-feedback.correct{color:var(--board-positive)}.question-actions{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px 24px;border-top:1px solid var(--board-divider)}.question-actions input{min-width:0}.question-copyright{width:100%;text-align:center;font-size:.75rem;padding-top:12px;border-top:1px solid var(--board-divider)}.board-timer{max-width:440px;margin:auto}.board-timer-value{display:flex;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:1.15rem;font-weight:700;font-variant-numeric:tabular-nums}.board-timer-track{height:10px;border:1px solid var(--board-border);border-radius:12px;overflow:hidden;background:var(--board-soft)}.board-timer-bar{height:100%;border-radius:12px;background:var(--board-positive);transition:width 1s linear}.board-timer-bar.warning{background:var(--board-warning)}.board-timer-bar.urgent{background:var(--board-negative)}.theme-preview-colorful{background:linear-gradient(110deg,#ccf5f2,#eadfff)}.theme-preview-colorful img{object-fit:contain;padding:12px}.game-preview{min-height:calc(100dvh - 140px);background-size:cover;background-position:center}.game-preview-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;align-items:start}@media(max-width:900px){.game-preview-layout{grid-template-columns:minmax(0,1fr)}.score-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.game-board,.scoreboard{padding:16px;border-radius:16px}.board-heading{flex-wrap:wrap;gap:10px}.board-heading h2{font-size:1rem}.mobile-tiles .game-tile{min-height:90px}.mobile-tiles .tile-value{font-size:1.8rem}.question-heading,.question-actions{padding:16px}.question-content{padding:24px 16px}.score-list{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){.game-tile,.board-timer-bar{transition:none}}@media(forced-colors:active){.scoreboard{background:Canvas;color:CanvasText;backdrop-filter:none;-webkit-backdrop-filter:none}.score-card.active{border-color:Highlight}.game-tile{border:1px solid ButtonText}}.support-page,.app-dialog.support-dialog,.support-loading{--ui-text:#18253d;--ui-muted:#475569;--ui-accent:#155e75;--ui-focus:#6d28d9;--ui-card:#fff;--ui-field:#f8fbff;--ui-border:#71819a;--ui-divider:#d4deec;--ui-placeholder:#53627a;--ui-secondary:#ede9fe;--ui-primary:linear-gradient(105deg,#0e7490,#6d28d9);--ui-primary-hover:linear-gradient(105deg,#155e75,#5b21b6);--ui-error-bg:#fff1f2;--ui-error-border:#be123c;--ui-error-text:#9f1239;color:var(--ui-text);color-scheme:light}.support-page{width:100%;max-width:1180px;margin:auto;padding:32px;border:1px solid var(--ui-divider);border-radius:24px;background:#fff;box-shadow:0 20px 60px #413b7614;overflow-wrap:anywhere}.support-page h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;line-height:1.2;letter-spacing:-.035em}.support-page h2,.support-dialog h2{font-weight:800;font-size:1.5rem;line-height:1.3}.support-page h3,.support-dialog h3{font-weight:750;font-size:1.1rem;line-height:1.4}.support-page p,.support-dialog p,.support-page li,.support-dialog li{line-height:1.65}.support-page a:not(.ui-button){color:var(--ui-accent);text-decoration:underline;text-underline-offset:3px}.support-hero{display:flex;align-items:center;gap:24px;padding:28px;margin-bottom:28px;border-radius:18px;background:linear-gradient(110deg,#e1f7fa,#f1eaff 65%,#fff0d8)}.support-hero-copy{flex:1;min-width:0}.support-hero h1{margin:0 0 12px}.support-hero p:last-child{color:var(--ui-muted);margin:0}.support-hero .trivia-artwork.compact{width:170px;flex-basis:170px}.support-heading-row{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.support-close{display:grid;place-items:center;flex:none;width:44px;height:44px;border:1px solid var(--ui-border);border-radius:10px;color:var(--ui-accent);background:#fff;font-size:1.5rem;cursor:pointer}.support-close:hover{background:#ede9fe}.support-section{margin-top:28px}.support-section>h2{margin-bottom:10px}.support-section>p{color:var(--ui-muted);margin-bottom:20px}.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.support-card{min-width:0;padding:24px;background:#fff;border:1px solid var(--ui-divider);border-radius:16px}.support-card h2,.support-card h3{margin-bottom:10px}.support-card p+p{margin-top:10px}.support-card.soft{background:#f8fbff}.support-callout{padding:20px 24px;border:1px solid #abcbd4;border-radius:14px;background:#e8f7fa}.support-callout.purple{background:#f0eaff;border-color:#d4c9ef}.support-callout.amber{background:#fff4df;border-color:#d5ba8b}.support-callout>p+p,.support-callout>h3+p{margin-top:8px}.support-callout-row{display:flex;justify-content:space-between;align-items:center;gap:20px}.support-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:24px}.support-muted{color:var(--ui-muted)}.support-accent{color:var(--ui-accent)}.support-pill{display:inline-block;border:1px solid #b7c9de;border-radius:24px;padding:6px 12px;font-size:.85rem;font-weight:700;color:#155e75;background:#e8f7fa}.support-list{padding-left:22px;list-style:disc}.support-list li+li{margin-top:8px}.support-mode-switcher{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.support-mode-switcher button{background:#f0eaff;color:#18253d;border:1px solid #71819a;border-radius:12px;padding:12px 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small{display:block;color:var(--ui-muted);font-size:.85rem;font-weight:400;margin-top:6px}.credit-pack-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}.credit-pack{display:flex;flex-direction:column;align-items:flex-start;gap:12px;background:#f8fbff}button.credit-pack{text-align:left;cursor:pointer;min-height:48px;color:var(--ui-text)}button.credit-pack:hover{background:#f0eaff;border-color:#6d28d9}.credit-pack strong{font-size:1.4rem;color:var(--ui-accent)}.credit-pack .ui-button{width:100%;margin-top:auto}.app-dialog.support-dialog{width:min(800px,calc(100% - 32px));padding:0;overflow:hidden;border-radius:20px}.support-dialog-frame{display:flex;flex-direction:column;max-height:calc(100dvh - 34px)}.support-dialog-header{flex:none;padding:26px;background:linear-gradient(110deg,#e1f7fa,#f1eaff,#fff0d8);border-bottom:1px solid var(--ui-divider)}.support-dialog-header h2{font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:10px}.support-dialog-header [role=status]{color:var(--ui-muted)}.support-dialog-body{flex:1 1 auto;min-height:0;overflow:auto;padding:28px}.support-dialog-body>*+*{margin-top:20px}.support-dialog-footer{flex:none;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;background:#f8fbff;border-top:1px solid var(--ui-divider)}.support-dialog-footer .support-actions{margin:0}.tutorial-progress{display:flex;gap:8px;margin-top:16px}.tutorial-progress span{display:block;width:10px;height:8px;border-radius:6px;background:#b6c2d6}.tutorial-progress span.current{width:32px;background:#6d28d9}.tutorial-progress span.complete{background:#0e7490}.tutorial-welcome{display:flex;align-items:center;gap:24px}.tutorial-welcome .trivia-artwork.compact{width:180px;flex-basis:180px}.app-dialog.password-dialog{width:min(520px,calc(100% - 32px));padding:28px;border-radius:20px}.password-dialog form{display:grid;gap:18px;margin-top:22px}.password-dialog label{font-weight:700}.support-success{padding:14px 18px;color:#166534;background:#ecfdf3;border:1px solid #15803d;border-radius:10px}.support-status-page{max-width:680px;text-align:center}.support-status-page .trivia-artwork.compact{max-width:220px;width:min(100%,220px);margin:0 auto 20px;flex:none}.support-loading{padding:32px;max-width:580px;margin:auto;border:1px solid #d4deec;border-radius:20px;background:#fff;text-align:center}.support-loading :is(h1,h2){font-size:1.4rem;font-weight:800;margin-top:16px}.support-loading p{margin-top:8px;line-height:1.6}.support-spinner{width:44px;height:44px;border:4px solid #d4deec;border-top-color:#6d28d9;border-radius:50%;margin:auto;animation:support-spin 1s linear infinite}@keyframes support-spin{to{transform:rotate(360deg)}}.legal-page{max-width:960px}.legal-page>h1{margin-bottom:16px}.legal-page section{padding-top:24px;border-top:1px solid var(--ui-divider)}.legal-page section h2{margin-bottom:12px}.legal-page 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button[class*=bg-yellow-6]{background:#92400e}.legacy-admin button[class*=bg-blue-6]{background:#1d4ed8}.legacy-admin button[class*=bg-purple-6]{background:#6d28d9}.legacy-admin button[class*=bg-red-6]{background:#b91c1c}.legacy-admin :is(button,span)[class*=bg-blue-6],.legacy-admin :is(button,span)[class*=bg-cyan-6],.legacy-admin :is(button,span)[class*=bg-purple-6],.legacy-admin :is(button,span)[class*=bg-red-6],.legacy-admin :is(button,span)[class*=bg-green-6],.legacy-admin :is(button,span)[class*=bg-yellow-6]{color:#fff}.app-header{--nav-text:#f1f5f9;--nav-muted:#b7c5d6;--nav-surface:#253449;--nav-border:#73839a;--nav-divider:#35465c;--nav-panel:#131f30;--nav-hover:#35465c;--nav-summary:#17263a;--nav-selected:#0e7490;position:relative;z-index:30;padding:16px 24px;border-bottom:1px solid var(--nav-divider);background:#131f30ed;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:var(--nav-text)}:is(.app-chrome-light,.game-shell[data-appearance=light],.game-preview[data-appearance=light]) .app-header{--nav-text:#18253d;--nav-muted:#475569;--nav-surface:#f5f2ff;--nav-border:#71819a;--nav-divider:#d4deec;--nav-panel:#ffffff;--nav-hover:#ede5fc;--nav-summary:linear-gradient(110deg,#e1f7fa,#f1eaff);--nav-selected:#6d28d9;background:#fff}.app-header-inner{max-width:1280px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}.app-header .nav-brand{flex:none}.app-nav-controls{display:flex;align-items:center;justify-content:flex-end;gap:8px}.nav-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid var(--nav-border);border-radius:10px;background:var(--nav-surface);color:var(--nav-text);font-size:.875rem;font-weight:600;line-height:1.4;white-space:nowrap;cursor:pointer}.nav-button:hover{background:var(--nav-hover)}.nav-button:is([aria-current=page],[data-current=true],[aria-expanded=true]){background:var(--nav-selected);color:#fff;border-color:var(--nav-selected)}.app-header button:disabled{opacity:.6;cursor:default}.nav-dropdown{position:relative}.nav-dropdown-chevron{flex:none;transition:transform .15s ease}.nav-button[aria-expanded=true] .nav-dropdown-chevron{transform:rotate(180deg)}.nav-panel{position:absolute;top:calc(100% + 12px);right:0;width:272px;max-width:calc(100vw - 48px);max-height:calc(100dvh - 180px);overflow:auto;padding:8px;border:1px solid var(--nav-divider);border-radius:16px;background:var(--nav-panel);color:var(--nav-text);box-shadow:0 16px 48px #18253d26}.nav-panel-heading{margin:0;padding:10px 12px;font-size:.9rem;font-weight:700}.nav-panel-action{display:block;width:100%;min-height:44px;padding:12px;border:0;border-radius:8px;background:transparent;color:var(--nav-text);text-align:left;font-size:.875rem;font-weight:600;line-height:1.4;cursor:pointer}.nav-panel-action:hover{background:var(--nav-hover)}.nav-panel-action[aria-current=page]{background:var(--nav-surface)}.nav-panel-action:focus-visible{outline-offset:-3px}.nav-panel-action span{display:block;margin-top:4px;color:var(--nav-muted);font-weight:400;font-size:.8rem}.nav-account-panel{width:304px}.nav-account-summary{padding:8px 12px 14px;margin-bottom:6px;border-radius:10px;background:var(--nav-summary)}.nav-account-summary .nav-panel-heading{padding:4px 0}.nav-account-email{margin:0;color:var(--nav-muted);font-size:.8rem;line-height:1.5;overflow-wrap:anywhere}.nav-account-balance{margin:14px 0 0}.nav-account-balance div{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-top:8px;font-size:.85rem;line-height:1.5}.nav-account-balance dt{color:var(--nav-muted)}.nav-account-balance dd{margin:0;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}.nav-account-balance div:last-child dd{font-size:1.25rem}.nav-panel-divider{margin:6px 12px;border-top:1px solid var(--nav-divider)}.nav-sign-out{color:var(--nav-muted)}.game-shell .app-header{padding-right:80px}.game-fullscreen-toggle{position:absolute;top:16px;right:16px;z-index:40;display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--board-border);border-radius:10px;background:var(--board-panel);color:var(--board-text);cursor:pointer}.game-fullscreen-toggle:hover{background:var(--board-soft)}@media(max-width:760px){.app-header{padding:16px}.game-shell .app-header{padding-right:16px}.app-header-inner{align-items:stretch;flex-direction:column;gap:16px}.app-header .nav-brand{align-self:flex-start}.app-nav-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.nav-button{width:100%}.nav-help .nav-panel{left:0;right:auto}.nav-panel{top:calc(100% + 8px);max-height:calc(100dvh - 220px)}}@media(forced-colors:active){.nav-button:is([aria-current=page],[data-current=true],[aria-expanded=true]){outline:2px solid Highlight}.nav-panel{border-color:CanvasText}}