/* زبان۲۴ — Maryam purple theme (NOT dark: medium purple gradient) */
:root{
  --bg1:#7c3aed; --bg2:#5b21b6; --bg3:#3b1470;
  --card:rgba(255,255,255,.10); --card-brd:rgba(255,255,255,.22);
  --txt:#fff; --muted:#e9d5ff;
  --acc1:#c026d3; --acc2:#a855f7; --gold:#fbbf24;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Vazirmatn","IRANSans",Tahoma,sans-serif;
  color:var(--txt); min-height:100vh; overflow-x:hidden;
  background:radial-gradient(120% 90% at 50% 20%, #8b5cf6 0%, var(--bg1) 35%, var(--bg2) 65%, var(--bg3) 100%);
  background-attachment:fixed;
}
#stars{position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, #fff, transparent),
    radial-gradient(2px 2px at 70% 15%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 40% 70%, #fde68a, transparent),
    radial-gradient(2px 2px at 85% 60%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 10% 80%, #fff, transparent),
    radial-gradient(2px 2px at 55% 45%, #fff, transparent);
  animation:twinkle 3.5s ease-in-out infinite alternate;}
@keyframes twinkle{from{opacity:.55}to{opacity:1}}
#app{position:relative;z-index:1;max-width:520px;margin:0 auto;min-height:100vh;
  padding:14px 14px 96px;}
.brand{text-align:center;margin:10px 0 4px}
.brand h1{font-size:44px;font-weight:900;letter-spacing:.5px;color:#fff;
  text-shadow:0 0 18px rgba(255,255,255,.75),0 0 46px rgba(192,38,211,.85);}
.brand .en{letter-spacing:6px;font-size:13px;color:var(--muted);margin-top:2px}
.tagline{text-align:center;color:var(--muted);font-size:14px;margin-bottom:14px}
.card{background:var(--card);border:1px solid var(--card-brd);border-radius:var(--radius);
  padding:16px;margin:12px 0;backdrop-filter:blur(8px);
  box-shadow:0 6px 24px rgba(59,20,112,.35), inset 0 1px 0 rgba(255,255,255,.18);}
.card h2{font-size:18px;margin-bottom:8px}
.card p{font-size:14px;line-height:1.9;color:var(--muted)}
.btn{display:block;width:100%;border:none;cursor:pointer;border-radius:14px;
  padding:14px;font-size:16px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--acc1),var(--acc2));
  box-shadow:0 4px 18px rgba(192,38,211,.5);margin:10px 0;font-family:inherit}
.btn:active{transform:scale(.98)}
.btn.ghost{background:rgba(255,255,255,.12);box-shadow:none;border:1px solid var(--card-brd)}
.btn.gold{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#3b1470}
.teacher-wrap{text-align:center;margin:6px 0}
.teacher{width:190px;height:190px;border-radius:50%;object-fit:cover;cursor:pointer;
  border:3px solid rgba(255,255,255,.5);
  box-shadow:0 0 0 6px rgba(192,38,211,.35),0 0 34px rgba(192,38,211,.65);
  animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.teacher.speaking{animation:speaking 1s ease-in-out infinite}
@keyframes speaking{0%,100%{box-shadow:0 0 0 6px rgba(192,38,211,.35),0 0 34px rgba(192,38,211,.65)}
  50%{box-shadow:0 0 0 12px rgba(192,38,211,.5),0 0 60px rgba(251,191,36,.8)}}
.bubble{position:relative;background:rgba(255,255,255,.14);border:1px solid var(--card-brd);
  border-radius:16px;padding:12px 14px;margin:14px auto 4px;max-width:92%;
  font-size:14px;line-height:1.9}
.bubble b{color:#fff}
.particles{position:absolute;inset:0;pointer-events:none;overflow:hidden;border-radius:50%}
.particles i{position:absolute;bottom:-8px;width:6px;height:6px;border-radius:50%;
  background:#fde68a;opacity:.8;animation:rise 4s linear infinite}
@keyframes rise{to{transform:translateY(-210px);opacity:0}}
.stats{display:flex;gap:10px;margin:12px 0}
.stat{flex:1;background:var(--card);border:1px solid var(--card-brd);border-radius:14px;
  padding:12px 6px;text-align:center}
.stat b{font-size:22px;display:block}
.stat span{font-size:12px;color:var(--muted)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.tab{flex:1 1 40%;text-align:center;padding:12px 6px;border-radius:12px;font-size:14px;
  background:rgba(255,255,255,.08);border:1px solid var(--card-brd);color:var(--txt);
  cursor:pointer;font-family:inherit}
.tab.on{background:linear-gradient(135deg,var(--acc1),var(--acc2));font-weight:700}
.q{font-size:19px;margin:12px 0;line-height:2}
.opt{display:block;width:100%;text-align:right;margin:8px 0;padding:13px 14px;border-radius:12px;
  background:rgba(255,255,255,.09);border:1px solid var(--card-brd);color:#fff;
  font-size:16px;cursor:pointer;font-family:inherit}
.opt picked,.opt.pick{background:rgba(192,38,211,.45);border-color:#e879f9}
.opt.correct{background:rgba(34,197,94,.4);border-color:#4ade80}
.opt.wrong{background:rgba(239,68,68,.4);border-color:#f87171}
textarea{width:100%;min-height:90px;border-radius:12px;border:1px solid var(--card-brd);
  background:rgba(255,255,255,.08);color:#fff;padding:12px;font-size:15px;
  font-family:inherit;direction:ltr;text-align:left}
.progress{height:8px;background:rgba(255,255,255,.15);border-radius:99px;margin:10px 0}
.progress i{display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--acc1),var(--gold));transition:width .4s}
.audio-row{display:flex;align-items:center;gap:10px;background:rgba(0,0,0,.25);
  border-radius:14px;padding:10px 12px;margin:10px 0}
.audio-row button{width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--acc1),var(--acc2));color:#fff;font-size:18px;flex:none}
.audio-row .lbl{font-size:13px;color:var(--muted);flex:1}
.nav{position:fixed;bottom:0;left:0;right:0;z-index:5;
  background:rgba(59,20,112,.92);backdrop-filter:blur(10px);
  border-top:1px solid var(--card-brd);display:flex;max-width:520px;margin:0 auto}
.nav button{flex:1;background:none;border:none;color:var(--muted);padding:13px 4px;
  font-size:13px;cursor:pointer;font-family:inherit}
.nav button.on{color:#fff;font-weight:700}
.flash{perspective:800px;margin:14px 0}
.fcard{background:rgba(255,255,255,.12);border:1px solid var(--card-brd);border-radius:16px;
  min-height:170px;display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:700;cursor:pointer;padding:20px;text-align:center;
  transition:transform .35s}
.fcard small{display:block;font-size:14px;color:var(--muted);margin-top:10px;font-weight:400}
.grades{display:flex;gap:8px;margin-top:10px}
.grades button{flex:1;padding:11px 4px;border-radius:10px;border:1px solid var(--card-brd);
  background:rgba(255,255,255,.08);color:#fff;font-size:13px;cursor:pointer;font-family:inherit}
.center{text-align:center}
.mt{margin-top:14px}
.level-badge{display:inline-block;background:linear-gradient(135deg,#f59e0b,#fbbf24);
  color:#3b1470;font-weight:800;border-radius:99px;padding:4px 14px;font-size:14px}
.streak-fire{font-size:15px}
@media (prefers-reduced-motion:reduce){
  #stars,.teacher,.particles i{animation:none}
}