:root{
  --bg: #fafafa;
  --card: #ffffff;
  --text: #111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --accent:#ae02cc;
  --accent2:#4f46e5;
  --radius:18px;
}
*{box-sizing:border-box}
html,body{height:100%;overflow-x:hidden}
body{
  margin:0;
  font-family:'Vazirmatn', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(174,2,204,.10), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(79,70,229,.10), transparent 55%),
    var(--bg);
}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:24px}
main > section + section{margin-top:24px}
.skip-link{
  position:absolute;z-index:9999;
  width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);
  white-space:nowrap;border:0;
  background:var(--accent);color:#fff;border-radius:8px;
  font-weight:600;text-decoration:none
}
.skip-link:focus{
  width:auto;height:auto;padding:12px 20px;margin:0;
  clip:auto;clip-path:none;white-space:normal;
  left:50%;transform:translateX(-50%);top:12px
}
.top{
  margin-bottom:0;
  background:var(--card);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 3px rgba(0,0,0,.04);
}
.top .wrap{padding:16px 24px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:56px;height:56px;border-radius:14px;box-shadow:0 8px 18px rgba(0,0,0,.08);mix-blend-mode:multiply;background:transparent;padding:4px}
.brand-meta{min-width:0}
.brand .name{font-weight:800;letter-spacing:.5px;margin:0}
.tagline{font-size:13px;color:var(--muted);margin:2px 0 0}
.navlinks{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.navlinks a{text-decoration:none;font-weight:500}
.navlinks a:hover{color:var(--accent)}
.version{font-size:13px;color:var(--muted)}
.lang{font-size:13px;color:var(--muted)}
.muted{color:var(--muted);font-size:14px;line-height:1.6}
.grid{
  display:grid;grid-template-columns: 1.05fr .95fr;gap:22px;align-items:start
}
@media (max-width:900px){ .grid{grid-template-columns:1fr} }
@media (max-width:700px){
  .topbar{flex-direction:column;align-items:flex-start}
  .navlinks{gap:12px}
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;
}
.hero{padding:26px}
.card > h2:first-child{margin:0 0 16px;font-size:20px;color:var(--text)}
h1{margin:0 0 10px;font-size:44px;line-height:1.1;letter-spacing:-.5px}
.subtitle{margin:0 0 16px;color:var(--muted);font-size:16px}
.desc{margin:0;color: #374151;line-height:1.9;font-size:15px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.badge{
  font-size:12px;color:var(--muted);
  border:1px solid var(--border);
  padding:6px 10px;border-radius:999px;background:#fff
}
.downloads{padding:18px}
.downloads h2{margin:6px 10px 14px;font-size:16px;color:#111827}
.list{display:flex;flex-direction:column;gap:10px;padding:0 10px 12px}
.dl{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 14px;border-radius:14px;text-decoration:none;
  border:1px solid var(--border);background:#fff;
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.dl:hover{transform:translateY(-1px);box-shadow:0 12px 25px rgba(0,0,0,.08);border-color:#d1d5db}
.dl.disabled{opacity:.6;pointer-events:none;cursor:default}
.dl.disabled:hover{transform:none;box-shadow:none}
.left{display:flex;align-items:center;gap:12px;min-width:0}
.ico{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:18px;
  background:#f3f4f6;color:#111827;flex:0 0 auto
}
.meta{min-width:0}
.title{font-weight:700;font-size:14px;margin:0}
.hint{font-size:12px;color:var(--muted);margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{
  font-size:12px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));
  padding:6px 10px;border-radius:999px;white-space:nowrap
}
.primary{
  border-color:transparent;
  background:linear-gradient(135deg, rgba(174,2,204,.95), rgba(79,70,229,.95));
  color:#fff;
}
.primary .ico{background:rgba(255,255,255,.18);color:#fff}
.primary .hint{color:rgba(255,255,255,.85)}
.primary:hover{border-color:transparent}
.footnote{padding:0 10px 16px;color:var(--muted);font-size:12px;line-height:1.7}
.footer{margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
details.seo{margin-top:0}
details.seo > summary{
  cursor:pointer;list-style:none;
  padding:14px 16px;border-radius:14px;
  border:1px solid var(--border);background:rgba(255,255,255,.7);
  color:var(--muted);font-size:13px;
  display:flex;align-items:center;gap:8px
}
details.seo > summary::after{
  content:'▼';font-size:10px;margin-inline-start:4px;opacity:.8
}
details.seo[open] > summary::after{transform:rotate(180deg)}
details.seo[open] > summary{margin-bottom:10px}
details.seo .seo-inner{
  padding:16px;border-radius:14px;border:1px solid var(--border);
  background:rgba(255,255,255,.85);color:#374151;line-height:1.9;font-size:13px
}
details.seo h3, details.seo h4{margin:0 0 10px;color:#111827}
details.seo p{margin:0 0 10px}

.left-col,.right-col{display:flex;flex-direction:column;gap:22px}
.music-section{padding:18px}
.music-section h2{margin:6px 10px 14px;font-size:16px;color:#111827}
.music-covers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 10px 12px}
@media (max-width:900px){.music-covers{grid-template-columns:repeat(4,1fr)}}
@media (max-width:500px){.music-covers{grid-template-columns:repeat(3,1fr)}}
.cover-item{display:block;border-radius:12px;overflow:hidden;transition:transform .12s ease}
.cover-item a{text-decoration:none;color:inherit}
.cover-item:hover{transform:scale(1.03)}
.cover-item img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.cover-item .cover-title,.cover-item h3.cover-title{font-size:11px;font-weight:600;margin:4px 0 0;padding:0 2px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font:inherit}
.music-section-intro{font-size:13px;color:var(--muted);margin:-6px 0 12px;line-height:1.5}
.cover-item .cover-artist{font-size:10px;color:var(--muted);margin:1px 0 0;padding:0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cover-item .cover-genres{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;padding:0 2px}
.cover-item .cover-chip{font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--border);padding:3px 6px;border-radius:999px;white-space:nowrap}
.music-loading,.music-error{font-size:13px;color:var(--muted);padding:12px 10px}
.downloads-flash{animation:flashHighlight .7s ease}
@keyframes flashHighlight{
  0%,100%{box-shadow:var(--shadow)}
  25%,75%{box-shadow:0 0 0 3px var(--accent),0 12px 32px rgba(174,2,204,.25)}
  50%{box-shadow:0 0 0 5px var(--accent),0 14px 40px rgba(174,2,204,.35)}
}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:12px;font-weight:600;text-decoration:none;
  transition:transform .12s ease, box-shadow .12s ease
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;border:none
}
.btn.ghost{
  background:#fff;border:1px solid var(--border);color:var(--text)
}
.btn.ghost:hover{box-shadow:0 8px 20px rgba(0,0,0,.08)}

.checklist{list-style:none;margin:0 0 16px;padding:0}
.checklist li{padding:6px 0;padding-inline-start:24px;position:relative}
.checklist li::before{content:'✓';position:absolute;inset-inline-start:0;color:var(--accent);font-weight:700}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:16px}
.feature h3{margin:0 0 8px;font-size:16px}
.feature p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}

.steps{margin:0 0 16px;padding-inline-start:24px;line-height:1.8}
.steps li{margin-bottom:8px}
.troubleshoot{margin-top:16px;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.troubleshoot summary{padding:12px 16px;cursor:pointer;background:#f9fafb}
.troubleshoot ul{margin:0;padding:16px;padding-top:0}
.troubleshoot-link{
  display:block;
  margin-top:12px;
  padding:14px 16px;
  border-radius:12px;
  text-decoration:none;
  font-weight:500;
}
.troubleshoot-link:hover{
  opacity:.9;
}
.qa{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;overflow:hidden}
.qa summary{padding:14px 16px;cursor:pointer;font-weight:600}
.qa p{margin:0;padding:0 16px 16px;color:var(--muted);line-height:1.7;font-size:14px}
.note{font-size:13px;color:var(--muted);margin:12px 0 0}

.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-bottom:24px}
.footer h3{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--text)}
.footer-title{margin:0 0 8px;font-size:18px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:6px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--accent)}
.copyright{text-align:center;font-size:13px;color:var(--muted);margin:0;padding-top:16px;border-top:1px solid var(--border)}