:root{
  --owl:#5b3a89; --owl2:#7c4dca; --sky:#eaf3ff; --sun:#ffcf4d; --leaf:#4bb96a;
  --ink:#2a2140; --card:#ffffff; --soft:#f3eefe; --danger:#e2564d;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Baloo 2","Segoe UI",system-ui,sans-serif;background:
  radial-gradient(1200px 600px at 50% -200px,#dff0ff,transparent),var(--sky);color:var(--ink)}
h1,h2,h3{font-weight:800;letter-spacing:-.01em}
button{font-family:inherit;cursor:pointer;border:none;border-radius:14px;font-weight:700;
  padding:.7em 1.1em;font-size:1rem;transition:transform .08s,box-shadow .12s}
button:active{transform:translateY(1px)}
.btn{background:var(--owl2);color:#fff;box-shadow:0 4px 0 #5a37a0}
.btn:hover{box-shadow:0 6px 14px rgba(124,77,202,.35)}
.btn.sun{background:var(--sun);color:#5a3d00;box-shadow:0 4px 0 #d9a521}
.btn.ghost{background:var(--soft);color:var(--owl);box-shadow:none}
.btn.danger{background:var(--danger);box-shadow:0 4px 0 #b23e37}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px 60px}
header.top{display:flex;align-items:center;gap:14px;padding:18px;max-width:1080px;margin:0 auto}
.logo{font-size:2rem}
header .brand{font-size:1.5rem;font-weight:800;color:var(--owl)}
header .spacer{flex:1}
.who{font-weight:700;color:var(--owl)}
nav.tabs{display:flex;gap:8px;flex-wrap:wrap;max-width:1080px;margin:0 auto 10px;padding:0 18px}
nav.tabs button{background:#fff;color:var(--owl);box-shadow:0 2px 0 #d9cef2}
nav.tabs button.active{background:var(--owl);color:#fff;box-shadow:0 3px 0 #3f276b}
.card{background:var(--card);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(60,30,120,.08);margin-bottom:18px}
label{display:block;font-weight:700;margin:.6em 0 .3em}
input,select,textarea{width:100%;padding:.7em .9em;border:2px solid #e6ddf7;border-radius:12px;
  font-family:inherit;font-size:1rem;background:#fbf9ff}
textarea{min-height:80px;resize:vertical}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.bookcard{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 6px 18px rgba(60,30,120,.1);
  display:flex;flex-direction:column;cursor:pointer;transition:transform .1s}
.bookcard:hover{transform:translateY(-3px)}
.bookcard .cover{aspect-ratio:4/3;background:var(--soft);display:flex;align-items:center;justify-content:center}
.bookcard .cover svg{width:100%;height:100%}
.bookcard .meta{padding:12px}
.bookcard .meta h3{margin:.1em 0 .3em;font-size:1.05rem}
.pill{display:inline-block;background:var(--soft);color:var(--owl);border-radius:999px;
  padding:.15em .7em;font-size:.78rem;font-weight:700;margin:2px 3px 0 0}
.stars{color:var(--sun);font-size:1.1rem}
.reader{max-width:760px;margin:0 auto}
.page-art{background:var(--soft);border-radius:18px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.page-art svg{width:100%;height:100%}
.page-text{font-size:1.7rem;line-height:1.6;text-align:center;padding:22px 10px;font-weight:600}
.reader-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}
.pageno{font-weight:700;color:var(--owl)}
.center{text-align:center}
.muted{color:#877ea3;font-size:.9rem}
.soundgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.sound{background:#fff;border-radius:16px;padding:16px;text-align:center;box-shadow:0 4px 12px rgba(60,30,120,.08);cursor:pointer}
.sound .g{font-size:2rem;font-weight:800;color:var(--owl2)}
.sound.big .g{font-size:3rem}
.sound .p{font-size:.82rem;color:#6b6288;margin-top:6px}
.levelrow{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;background:#fff;
  box-shadow:0 3px 10px rgba(60,30,120,.07);margin-bottom:10px;cursor:pointer}
.swatch{width:26px;height:26px;border-radius:8px;flex:none;border:2px solid rgba(0,0,0,.08)}
.overlay{position:fixed;inset:0;background:rgba(30,15,60,.45);display:flex;align-items:center;justify-content:center;padding:18px;z-index:50}
.modal{background:#fff;border-radius:22px;padding:26px;max-width:520px;width:100%;max-height:88vh;overflow:auto}
.login{max-width:420px;margin:8vh auto 0}
.spinner{width:38px;height:38px;border:5px solid #e6ddf7;border-top-color:var(--owl2);border-radius:50%;animation:spin 1s linear infinite;margin:20px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:.8em 1.3em;border-radius:14px;z-index:99;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.hidden{display:none}
.scoreset button{font-size:1.5rem;background:none;box-shadow:none;padding:.1em .2em}
.banner{background:#fff6db;border:1px solid #ffe08a;border-radius:12px;padding:10px 14px;font-size:.85rem;color:#7a5c00;margin-bottom:14px}