:root{--paper: #fff4e0;--paper-card: #fffdf7;--ink: #2d2a32;--ink-soft: #6d6875;--sunshine: #ffd166;--mint: #06d6a0;--coral: #ef476f;--sky: #118ab2;--tangerine: #ff9f1c;--font-display: "Baloo 2", "Trebuchet MS", cursive;--font-body: "Nunito", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{font-family:var(--font-body);color:var(--ink);background:var(--paper);overflow:hidden;-webkit-user-select:none;user-select:none}.layout{height:100dvh;display:flex;justify-content:center;align-items:stretch;gap:18px;padding:14px}.game-wrap{flex:0 1 560px;display:grid;place-items:center}#game canvas{border-radius:22px;border:3px solid rgba(45,42,50,.9);box-shadow:0 6px #2d2a322e}.rail{width:300px;display:flex;flex-direction:column;align-items:center;gap:12px;padding-top:8px}.hud-row{display:flex;align-items:center;gap:14px}.streak{font-family:var(--font-display);font-weight:800;font-size:26px;display:flex;align-items:center;gap:5px}.streak-flame{color:var(--tangerine);font-size:20px}.streak.hot .streak-flame{animation:flicker .7s infinite alternate}@keyframes flicker{0%{transform:scale(1) rotate(-6deg)}to{transform:scale(1.35) rotate(8deg)}}.gl-ring{width:40px;height:40px;transform:rotate(-90deg)}.gl-track{fill:none;stroke:#2d2a321f;stroke-width:6}.gl-fill{fill:none;stroke:var(--mint);stroke-width:6;stroke-linecap:round;stroke-dasharray:113;stroke-dashoffset:113;transition:stroke-dashoffset .5s cubic-bezier(.34,1.56,.64,1)}.gl-ring.lit .gl-fill{stroke:var(--sunshine);filter:drop-shadow(0 0 6px var(--sunshine))}.tokens{font-family:var(--font-display);font-weight:800;font-size:19px;display:flex;align-items:center;gap:4px}.token-coin{color:var(--sunshine);text-shadow:0 2px 0 rgba(45,42,50,.25)}.tokens.bump{animation:bump .3s cubic-bezier(.34,1.56,.64,1)}@keyframes bump{40%{transform:scale(1.35)}}.sound{font-size:16px;width:34px;height:34px;border-radius:10px;border:none;background:#2d2a3214;color:var(--ink);cursor:pointer}.sound.off{opacity:.35}.altitude{font-family:var(--font-display);font-weight:800;font-size:44px;line-height:1;color:var(--sky)}.altitude small{font-size:20px;color:var(--ink-soft)}.entry{min-height:64px;min-width:150px;border-radius:18px;border:3px dashed rgba(45,42,50,.3);background:var(--paper-card);font-family:var(--font-display);font-weight:800;font-size:42px;display:grid;place-items:center;padding:0 18px;letter-spacing:.1em}.entry.filled{border-style:solid;border-color:var(--sky)}.feedback{min-height:26px;font-weight:800;font-size:15px;color:var(--ink-soft);text-align:center}.feedback .answer-chip{display:inline-block;background:var(--sunshine);color:var(--ink);border-radius:10px;padding:0 9px;font-family:var(--font-display);font-size:18px;margin:0 3px}.rx-keypad{display:grid;grid-template-columns:repeat(3,76px);gap:9px}.rx-key{height:56px;border-radius:16px;border:3px solid rgba(45,42,50,.9);background:var(--paper-card);box-shadow:0 5px #2d2a32d9;font-family:var(--font-display);font-weight:800;font-size:27px;color:var(--ink);cursor:pointer;touch-action:manipulation;transition:transform .05s}.rx-key:active{transform:translateY(4px);box-shadow:0 1px #2d2a32d9}.rx-key-zero{grid-column:span 2}.rx-key-back{background:#f7e8c8;font-size:22px}.rx-key-pop{animation:keyPop .18s cubic-bezier(.34,1.56,.64,1)}@keyframes keyPop{40%{transform:scale(1.1)}}.hint{font-size:13px;font-weight:800;color:var(--ink-soft);max-width:260px;text-align:center}.island-link{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--sky);text-decoration:none;margin-top:4px}.panel-backdrop[hidden]{display:none}.panel-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#2d2a3273;display:grid;place-items:center;z-index:50}.panel{background:var(--paper-card);border:3px solid rgba(45,42,50,.9);border-radius:26px;box-shadow:0 8px #2d2a3259;padding:30px 44px;text-align:center;animation:panelIn .35s cubic-bezier(.34,1.56,.64,1)}@keyframes panelIn{0%{transform:scale(.6) translateY(30px);opacity:0}}.panel h2{font-family:var(--font-display);font-size:26px}.panel-big{font-family:var(--font-display);font-weight:800;font-size:56px;color:var(--sky);margin:6px 0}.start-panel{max-width:372px;padding:22px 26px 24px}.start-art{width:256px;height:192px;display:block;margin:0 auto 12px;image-rendering:pixelated;border:3px solid rgba(45,42,50,.9);border-radius:10px;box-shadow:0 5px #2d2a3240}.start-panel h2{font-size:24px;margin-bottom:8px}.start-line{font-size:15px;font-weight:700;line-height:1.35;max-width:290px;margin:0 auto 8px}.start-panel .cta{margin-top:8px;padding:10px 44px}.start-key{font-size:12px;font-weight:800;color:var(--ink-soft);margin-top:9px}.start-key kbd{font-family:var(--font-display);font-weight:800;background:#2d2a3214;border-radius:6px;padding:1px 6px}.panel-why{font-size:14px;font-weight:700;color:var(--ink-soft);max-width:280px;margin:6px auto 0}.panel-best{color:var(--ink-soft);font-weight:800;font-size:14px;margin:6px 0 14px}.cta{font-family:var(--font-display);font-weight:800;font-size:22px;color:#fff;background:var(--mint);border:3px solid rgba(45,42,50,.9);box-shadow:0 5px #2d2a32d9;border-radius:18px;padding:10px 30px;cursor:pointer}.cta:active{transform:translateY(4px);box-shadow:0 1px #2d2a32d9}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}