.audio-gate{background:var(--bg);z-index:1000;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.audio-gate__inner{padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);text-align:center;flex-direction:column;align-items:center;gap:2rem;display:flex}.audio-gate__title{color:var(--ink);letter-spacing:.01em;font-size:1.5rem;font-weight:400}.audio-gate__button{min-width:220px;min-height:64px;font-family:var(--font-body);color:var(--bg);background:linear-gradient(180deg, var(--choc-light) 0%, var(--choc-mid) 100%);border:2px solid var(--amber);cursor:pointer;border-radius:14px;padding:1rem 2.5rem;font-size:1.375rem;font-weight:700;transition:transform .14s cubic-bezier(.34,1.56,.64,1),box-shadow .14s;box-shadow:0 0 #e8b04b00}.audio-gate__button:hover{box-shadow:0 0 24px 0 var(--amber-soft)}.audio-gate__button:active{transform:scale(.97)}.audio-gate__button:focus-visible{outline:3px solid var(--amber);outline-offset:4px}.audio-gate__hint{color:var(--ink-muted);font-size:1rem}.shell{gap:clamp(12px,2vw,24px);width:100%;height:100%;display:grid}@media (orientation:landscape){.shell{grid-template-rows:100%;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr)}.shell[data-panel-side=left]{grid-template-columns:minmax(280px,1fr) minmax(0,1.65fr)}.shell[data-panel-side=left] .manipulative-stage{order:2}.shell[data-panel-side=left] .tutor-panel{order:1}}@media (orientation:portrait){.shell{grid-template-rows:minmax(0,1.5fr) minmax(0,1fr);grid-template-columns:100%}}.manipulative-stage,.tutor-panel{background:var(--surface);border-radius:16px;min-width:0;min-height:0;overflow:hidden}.manipulative-stage{background:radial-gradient(ellipse at 50% 45%, #e0d3b5 0%, var(--bg) 70%);justify-content:center;align-items:center;display:flex}.tutor-panel{flex-direction:column;display:flex}.tutor-transcript{flex:auto;min-height:0;padding:clamp(16px,2.5vw,28px)}.tutor-response{border-top:1px solid var(--line);flex:none;padding:clamp(12px,2vw,20px)}@font-face{font-family:Atkinson Hyperlegible;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/atkinson-hyperlegible-regular-BrHNak5F.woff2)format("woff2")}@font-face{font-family:Atkinson Hyperlegible;font-style:normal;font-weight:700;font-display:swap;src:url(/assets/atkinson-hyperlegible-bold-GZI4o3u0.woff2)format("woff2")}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#ede4d0;--surface:#f4ecda;--ink:#2a1e14;--ink-muted:#2a1e14a8;--ink-dim:#2a1e1473;--ink-faint:#2a1e1433;--hairline:#2a1c121a;--hairline-hi:#2a1c1233;--choc-light:#8b5a2b;--choc-mid:#5c3a21;--choc-dark:#3a2417;--choc-sheen:#ffdcaf38;--foil-base:#c9a55f;--foil-hi:#e3c283;--foil-lo:#9f7e3f;--foil-glint:#fff5dc8c;--accent-attention:#b85c24;--amber:#b85c24;--amber-deep:#8e4218;--amber-soft:#b85c242e;--amber-wash:#b85c2473;--teal:#3f7e78;--teal-soft:#3f7e782e;--accent-correct:#6fbf8e;--line:var(--hairline-hi);--safe-top:max(12px, env(safe-area-inset-top));--safe-right:max(12px, env(safe-area-inset-right));--safe-bottom:max(12px, env(safe-area-inset-bottom));--safe-left:max(12px, env(safe-area-inset-left));--font-body:"Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{overscroll-behavior:none;background:var(--bg);height:100dvh;color:var(--ink);font-family:var(--font-body);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font-size:18px;line-height:1.6;overflow:hidden}body{width:100%;position:fixed;inset:0}#root{height:100dvh;padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left)}.no-select,.manipulative-stage,button,[role=button]{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.manipulative-stage{touch-action:none}.tutor-transcript{touch-action:pan-y;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;overflow-y:auto}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}