:root{
  --bg:#0a0a0a;
  --bg-raised:#141414;
  --text:#f3f1ea;
  --text-dim:#9a9690;
  --accent:#c9a227;
  --border:#232323;
  --sheet-bg:#0f0f0f;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif;overscroll-behavior:none;}
button{font-family:inherit;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}

#app{position:fixed;inset:0;display:flex;flex-direction:column;}

#topbar{
  position:absolute;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top) + 14px) 16px 10px;
  background:linear-gradient(to bottom, rgba(0,0,0,.65), rgba(0,0,0,0));
  pointer-events:none;
}
#topbar .icon-btn{pointer-events:auto;}
#brand{font-weight:700;letter-spacing:.04em;font-size:15px;color:var(--text);opacity:.92;pointer-events:auto;}

.icon-btn{
  background:rgba(20,20,20,.55);border:1px solid var(--border);color:var(--text);
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  cursor:pointer;backdrop-filter:blur(6px);
}
.icon-btn:active{transform:scale(.94);}

#feed{
  flex:1;overflow-y:scroll;scroll-snap-type:y mandatory;
  scrollbar-width:none;
}
#feed::-webkit-scrollbar{display:none;}

.verse-page{
  height:100%;min-height:100%;scroll-snap-align:start;scroll-snap-stop:always;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:90px 26px 110px;text-align:center;position:relative;
  border-bottom:1px solid var(--border);
}
.verse-ref{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  margin-bottom:22px;font-weight:600;
}
.verse-arabic{
  font-family:'Amiri',serif;font-size:clamp(26px,6.5vw,40px);line-height:1.9;
  max-width:680px;margin-bottom:26px;font-weight:700;
}
.verse-translation{
  font-size:clamp(15px,2.6vw,18px);line-height:1.6;color:var(--text);max-width:560px;
  opacity:.92;font-weight:400;
}
.verse-hint{
  position:absolute;bottom:34px;left:0;right:0;text-align:center;
  font-size:11px;color:var(--text-dim);letter-spacing:.03em;
}
.verse-actions{
  position:absolute;right:14px;bottom:120px;display:flex;flex-direction:column;gap:18px;
}
.act{
  background:none;border:none;color:var(--text);opacity:.85;cursor:pointer;
  display:flex;align-items:center;justify-content:center;padding:4px;
}
.act:active{transform:scale(.9);}
.act-like.active{color:var(--accent);opacity:1;}
.act-like.active svg{fill:var(--accent);}

.sheet{
  position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.6);
  display:flex;align-items:flex-end;
}
.sheet[hidden]{display:none;}
.sheet-inner{
  background:var(--sheet-bg);width:100%;max-height:88vh;overflow-y:auto;
  border-radius:20px 20px 0 0;border-top:1px solid var(--border);
  padding:22px 22px calc(env(safe-area-inset-bottom) + 28px);
  animation:sheet-up .22s ease-out;
}
@keyframes sheet-up{from{transform:translateY(24px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.sheet-close{position:absolute;top:14px;right:16px;}
.sheet-ref{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-top:6px;}
.sheet-surah{font-size:18px;font-weight:700;margin-top:4px;}
.sheet-context{color:var(--text-dim);font-size:14px;margin:10px 0 18px;line-height:1.5;}
.sheet-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin:18px 0 8px;font-weight:600;}
.sheet-arabic{font-family:'Amiri',serif;font-size:26px;line-height:1.9;}
.sheet-translit{font-style:italic;color:var(--text);opacity:.9;font-size:15px;line-height:1.6;}
.sheet-translation{font-size:16px;line-height:1.6;}
.sheet-source{margin-top:20px;font-size:12px;color:var(--text-dim);line-height:1.6;border-top:1px solid var(--border);padding-top:14px;}
.sheet-source a{color:var(--text-dim);text-decoration:underline;}
.sheet-title{font-size:20px;font-weight:700;margin:6px 0 16px;}

#surah-list{display:flex;flex-direction:column;}
.surah-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;border-bottom:1px solid var(--border);cursor:pointer;background:none;
  border-left:none;border-right:none;border-top:none;color:var(--text);width:100%;text-align:left;
}
.surah-row:active{background:var(--bg-raised);}
.surah-num{width:28px;color:var(--text-dim);font-size:13px;}
.surah-names{flex:1;padding:0 10px;}
.surah-en{font-weight:600;font-size:15px;}
.surah-meaning{font-size:12px;color:var(--text-dim);}
.surah-ar{font-family:'Amiri',serif;font-size:17px;color:var(--text-dim);}

#info p{font-size:14px;line-height:1.65;color:var(--text);margin:0 0 12px;}
#info .muted{color:var(--text-dim);font-size:12px;}

.onboard{
  position:fixed;inset:0;z-index:100;background:var(--bg);
  display:flex;flex-direction:column;
}
.onboard[hidden]{display:none;}
.onboard-slides{flex:1;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;}
.onboard-slides::-webkit-scrollbar{display:none;}
.onboard-slide{
  min-width:100%;scroll-snap-align:start;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:60px 32px;
}
.onboard-slide .mark{width:56px;height:56px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;margin-bottom:28px;color:var(--accent);}
.onboard-slide h2{font-size:22px;margin:0 0 14px;font-weight:700;}
.onboard-slide p{font-size:15px;color:var(--text-dim);line-height:1.6;max-width:360px;margin:0;}
.onboard-dots{display:flex;justify-content:center;gap:8px;padding:10px 0;}
.onboard-dots span{width:6px;height:6px;border-radius:50%;background:var(--border);}
.onboard-dots span.on{background:var(--accent);}
.btn-primary{
  margin:10px 24px calc(env(safe-area-inset-bottom) + 24px);padding:15px;border:none;
  border-radius:12px;background:var(--text);color:#0a0a0a;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-primary:active{opacity:.85;}

.toast{
  position:fixed;bottom:36px;left:50%;transform:translateX(-50%);
  background:var(--bg-raised);border:1px solid var(--border);color:var(--text);
  padding:10px 18px;border-radius:30px;font-size:13px;z-index:200;
}
.toast[hidden]{display:none;}