:root{--bg:#02040b;--glass:#080e1e94;--glass-strong:#060a18d1;--line:#8cc8ff29;--text:#e8f1ff;--muted:#8ea3c7;--cyan:#5ef0ff;--violet:#9d7bff;--emerald:#3dffb4;--miss:#ff5c9a;--display:"Unbounded", "Manrope", sans-serif;--ui:"Manrope", "Noto Sans", system-ui, sans-serif;--ipa:"Noto Sans", "Manrope", sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--ui);margin:0;overflow:hidden}body{-webkit-font-smoothing:antialiased}#gl{width:100vw;height:100vh;display:block;position:fixed;inset:0}.hidden{display:none!important}button{font:inherit;color:inherit;cursor:pointer}.btn{letter-spacing:.01em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#5ef0ff38,#9d7bff38);border:1px solid #5ef0ff73;border-radius:14px;padding:12px 20px;font-weight:700;transition:transform .15s,box-shadow .2s,background .2s;box-shadow:0 0 24px #5ef0ff26,inset 0 0 12px #5ef0ff14}.btn:hover{transform:translateY(-1px);box-shadow:0 0 34px #5ef0ff59}.btn.big{padding:16px 28px;font-size:18px}.btn.ghost{border-color:var(--line);box-shadow:none;background:#0a122480}.btn.ghost:hover{border-color:#5ef0ff80}.btn.small{padding:8px 14px;font-size:13px}.icon-btn{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;width:40px;height:40px;font-size:18px}#hud{pointer-events:none;position:fixed;inset:0}#hud>*{pointer-events:auto}#top{top:max(14px, env(safe-area-inset-top));pointer-events:none;justify-content:space-between;align-items:flex-start;gap:12px;display:flex;position:absolute;left:16px;right:16px}#top>*{pointer-events:auto}.chapter-pill{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:16px;align-items:center;gap:12px;padding:10px 16px 10px 10px;display:flex}#chapter-num{font-family:var(--display);background:linear-gradient(135deg,#5ef0ff40,#9d7bff40);border-radius:10px;place-items:center;width:34px;height:34px;font-size:13px;font-weight:800;display:grid}#chapter-title{font-family:var(--display);letter-spacing:.02em;font-size:13px;font-weight:600}.bar{background:#ffffff14;border-radius:4px;width:160px;height:4px;margin-top:6px;overflow:hidden}.bar i{background:linear-gradient(90deg, var(--cyan), var(--violet));width:0;height:100%;transition:width .6s;display:block}.stats{align-items:center;gap:10px;display:flex}.stat{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:14px;align-items:baseline;gap:6px;padding:8px 12px;display:flex}.stat b{font-family:var(--display);color:var(--cyan);font-size:18px}.stat span{color:var(--muted);font-size:12px}.stat em{font-style:normal}.streak b{color:var(--emerald)}.streak.hot{border-color:#3dffb480;box-shadow:0 0 22px #3dffb459}.energy{width:44px;height:44px;position:relative}.energy svg{width:44px;height:44px;transform:rotate(-90deg)}.energy circle{fill:none;stroke-width:4px}.energy .track{stroke:#ffffff14}.energy .fill{stroke:var(--cyan);stroke-linecap:round;stroke-dasharray:113;stroke-dashoffset:45px;filter:drop-shadow(0 0 6px #5ef0ff99);transition:stroke-dashoffset .6s,stroke .4s}.energy span{place-items:center;font-size:11px;font-weight:800;display:grid;position:absolute;inset:0}#subtitle{text-align:center;cursor:pointer;width:min(760px,100vw - 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