:root{
  --bg:#0b111a; --panel:#0f1724; --card:#101a2b; --text:#e8f0ff;
  --muted:#9fb0c9; --brand:#7dc9ff; --accent:#2b74ff; --border:#1c2b45;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:16px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(11,17,26,.7);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:20px;display:flex;align-items:center;gap:6px}
.logo{background:linear-gradient(135deg,var(--brand),#def1ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-dot{color:#9bd6ff}
.header-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:8px 12px;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn.small{padding:6px 10px;border-radius:10px}
.icon-btn{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:8px 10px;color:var(--text);cursor:pointer}
.search{width:100%;background:var(--panel);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font-size:16px}
.panel{background:linear-gradient(180deg,rgba(22,30,45,.6),rgba(22,30,45,.35));border:1px solid var(--border);border-radius:16px;padding:14px;margin:12px 0}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.small{font-size:12px}.muted{color:var(--muted)}
.layout{display:grid;grid-template-columns:1fr;gap:14px}
.sidebar{position:relative}
.chapters{display:grid;grid-template-columns:1fr;gap:6px;max-height:65vh;overflow:auto;-webkit-overflow-scrolling:touch}
.chapter{display:flex;gap:10px;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:10px;cursor:pointer}
.chapter:hover{outline:1px solid var(--brand)}
.chapter .left{display:flex;gap:10px;align-items:center}
.badge{background:#0c2340;border:1px solid var(--border);border-radius:8px;padding:4px 8px;font-size:12px}
.content{display:flex;flex-direction:column;gap:10px}
#surahTitle{margin:0}

/* Read area */
.read-wrap{display:grid;grid-template-columns:1fr;gap:12px}
.ayahs.ar{font-family:'Noto Naskh Arabic',serif;font-size:24px;line-height:2.0;direction:rtl}
.ayahs.en{font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.9;direction:ltr}
.ayah{padding:6px 8px;border-radius:10px}
.ayah:hover{background:rgba(255,255,255,.03)}
.ayah .num{font-family:Inter,system-ui;display:inline-block;background:#0c2340;border:1px solid var(--border);border-radius:999px;padding:2px 8px;margin:0 8px;color:#cfe3ff;font-size:12px}

/* Player */
.audio-panel .player{display:flex;align-items:center;gap:10px}
.progress{flex:1;display:flex;flex-direction:column;gap:6px}
input[type=range]{width:100%}

@media(min-width:880px){
  .layout{grid-template-columns:300px 1fr}
  .chapters{max-height:calc(100vh - 170px)}
  .read-wrap[data-layout="side"]{grid-template-columns:1fr 1fr}
}