:root{
  --bg:#F3E8D6; --bg-soft:#FBF4E8; --card:#FFFDF8;
  --ink:#3B2E23; --ink-2:#6B5B4A; --line:#E2D3BC;
  --accent:#8C6A45; --ok:#2F6B4F; --warn:#B4762C;
  --radius:16px; --shadow:0 2px 10px rgba(90,67,40,.08);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Noto Sans Thai',system-ui,sans-serif;
  font-size:17px; line-height:1.75; padding-bottom:78px;
}
a{color:inherit;text-decoration:none}
.hidden{display:none !important}

/* ---------- Top bar ---------- */
.topbar{position:sticky;top:0;z-index:20;background:rgba(243,232,214,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:10px;max-width:720px;margin:0 auto;padding:10px 14px}
.topbar-title{flex:1;font-size:17px;font-weight:700;margin:0;text-align:center}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:var(--card);border:1px solid var(--line);font-size:20px;line-height:1}
.brand-dot{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:var(--accent);color:#fff;font-size:20px}

/* ---------- Layout ---------- */
.wrap{max-width:720px;margin:0 auto;padding:14px}
.sec-title{font-size:15px;font-weight:700;color:var(--ink-2);margin:22px 0 10px}

/* ---------- Hero ---------- */
.hero{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 16px;text-align:center;box-shadow:var(--shadow)}
.hero-ar{font-family:'Noto Naskh Arabic',serif;font-size:26px;margin:0 0 8px;color:var(--accent);direction:rtl}
.hero-title{font-size:19px;margin:0 0 4px}
.hero-sub{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- Resume ---------- */
.resume{display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:12px;padding:12px 14px;border-radius:var(--radius);
  background:#EFE0C6;border:1px solid var(--line)}
.resume-label{display:block;font-size:12px;color:var(--ink-2)}

/* ---------- Book cards ---------- */
.book-list{display:grid;gap:12px}
.book-card{position:relative;display:flex;gap:12px;padding:14px;background:var(--card);
  border:1px solid var(--line);border-left:5px solid var(--accent);
  border-radius:var(--radius);box-shadow:var(--shadow)}
.book-card.is-locked{opacity:.62;border-left-color:var(--line)}
.book-num{width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:12px;
  background:var(--accent);color:#fff;font-weight:700}
.book-card.is-locked .book-num{background:#CDBCA2}
.book-body h4{margin:0;font-size:17px}
.book-sub{margin:2px 0 6px;font-size:13px;color:var(--ink-2)}
.soon{font-size:12px;color:var(--warn)}
.stretch{position:absolute;inset:0;border-radius:var(--radius)}

.book-meta .bar{height:7px;border-radius:99px;background:#E8DAC2;overflow:hidden}
.book-meta .bar span{display:block;height:100%;width:0;background:var(--ok);transition:width .3s}
.meta-text{font-size:12px;color:var(--ink-2)}
.book-meta.big .bar{height:10px}

/* ---------- Book head ---------- */
.book-head{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.book-goal{margin:0 0 10px;font-size:14px;color:var(--ink-2)}

/* ---------- Page list ---------- */
.page-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.page-item a{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--card);
  border:1px solid var(--line);border-radius:14px}
.page-no{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:var(--bg-soft);border:1px solid var(--line);font-weight:700}
.page-info{flex:1;min-width:0}
.page-info strong{display:block;font-size:15px}
.page-info small{display:block;font-size:12px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-flags i{font-style:normal;font-size:15px;opacity:0;margin-left:4px}
.page-item.is-bookmarked .flag-bookmark{opacity:1}
.page-item.is-done .flag-done{opacity:1;color:var(--ok);font-weight:700}
.page-item.is-done .page-no{background:#E3F0E6;border-color:#BFD9C6}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  font-family:inherit;font-size:15px;cursor:pointer}
.btn-sm{padding:7px 12px;font-size:14px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-ghost{background:transparent}
.btn-soft{background:var(--bg-soft)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.btn[aria-pressed="true"]{background:#EFE0C6;border-color:var(--accent)}
.switch,.speed{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2)}
.speed select,.jump{font-family:inherit;font-size:15px;padding:9px 10px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--ink)}

/* ---------- Lesson sheet ---------- */
.lesson-title{font-size:18px;margin:4px 0}
.lesson-note{font-size:14px;color:var(--ink-2);margin:0 0 6px}
.sheet{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 10px;box-shadow:var(--shadow)}
.row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding:8px 0;
  border-bottom:1px dashed var(--line)}
.row:last-child{border-bottom:0}
.word{min-width:74px;padding:10px 12px;border-radius:14px;background:var(--bg-soft);
  border:1px solid var(--line);cursor:pointer;display:grid;gap:2px;transition:.15s}
.word .ar{font-family:'Noto Naskh Arabic',serif;font-size:40px;line-height:1.5;direction:rtl}
.word .tr{font-size:12px;color:var(--ink-2);direction:ltr}
.word:active{transform:scale(.96)}
.word.is-playing{background:#EAD9B8;border-color:var(--accent);box-shadow:0 0 0 3px rgba(140,106,69,.18)}
.sheet.hide-tr .word .tr{display:none}

/* ---------- Self check ---------- */
.selfcheck{margin-top:18px}
.check-btns{display:flex;gap:8px;flex-wrap:wrap}
.check-hint{font-size:13px;color:var(--ink-2);margin:8px 0 0}

/* ---------- Pager ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:20px 0 6px}

/* ---------- Review ---------- */
.review-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.review-list li a{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.review-list.muted li a{opacity:.72}
.review-when{font-size:12px;color:var(--ink-2);white-space:nowrap}
.empty{text-align:center;padding:30px 10px;color:var(--ink-2)}
.danger-zone{margin-top:26px;text-align:center}
.tip-list{padding-left:20px;font-size:15px;color:var(--ink-2)}

/* ---------- Tab bar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:rgba(251,244,232,.97);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;display:grid;justify-items:center;gap:1px;padding:8px 0 10px;font-size:11px;color:var(--ink-2)}
.tab-ico{font-size:19px}
.tab.is-active{color:var(--accent);font-weight:700}

@media (min-width:560px){ .word .ar{font-size:46px} .word{min-width:86px} }

/* ---------- Volume bar ---------- */
.volbar{display:flex;align-items:center;gap:10px;margin:0 0 12px;padding:10px 14px;
  background:var(--card);border:1px solid var(--line);border-radius:14px}
.vol-ico{width:38px;height:38px;flex:none;display:grid;place-items:center;
  border-radius:11px;border:1px solid var(--line);background:var(--bg-soft);
  font-size:18px;line-height:1;cursor:pointer}
.vol-ico:active{transform:scale(.94)}
.vol-val{min-width:52px;text-align:right;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}

#volRange{flex:1;min-width:0;height:30px;-webkit-appearance:none;appearance:none;background:transparent}
#volRange::-webkit-slider-runnable-track{height:8px;border-radius:99px;background:#E8DAC2}
#volRange::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;
  width:24px;height:24px;margin-top:-8px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;box-shadow:var(--shadow);cursor:pointer}
#volRange::-moz-range-track{height:8px;border-radius:99px;background:#E8DAC2}
#volRange::-moz-range-thumb{width:22px;height:22px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;cursor:pointer}
.volbar.is-boost .vol-val{color:var(--warn);font-weight:700}

/* ---------- Voice alert ---------- */
.voice-alert{margin:0 0 12px;padding:12px 14px;border-radius:14px;
  background:#FBEFDC;border:1px solid #E0C89B;border-left:5px solid var(--warn);
  animation:vaIn .25s ease-out}
@keyframes vaIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.va-head{display:flex;align-items:flex-start;gap:10px}
.va-ico{font-size:20px;line-height:1.4;flex:none}
.va-text{flex:1;min-width:0}
.va-text strong{display:block;font-size:15px;color:#7A4E16}
.va-text small{display:block;font-size:13px;color:var(--ink-2);margin-top:2px}
.va-close{flex:none;width:28px;height:28px;display:grid;place-items:center;
  border:0;background:transparent;font-size:15px;color:var(--ink-2);cursor:pointer;border-radius:8px}
.va-close:active{background:#EFE0C6}
.va-body{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.va-steps{margin-top:12px;padding-top:12px;border-top:1px dashed #E0C89B;font-size:14px}
.va-steps h5{margin:0 0 6px;font-size:14px;color:#7A4E16}
.va-steps ol{margin:0;padding-left:20px;color:var(--ink-2);line-height:1.9}
.va-steps .va-tip{margin:10px 0 0;font-size:13px;color:var(--ink-2)}
.va-ok{margin:10px 0 0;font-size:14px;color:var(--ok);font-weight:700}

/* ---------- Boost switch ---------- */
.boostbar{margin:-6px 0 12px;padding:0 4px}
.boostbar .switch{font-size:13px}