:root{
  --void:#07050f;
  --deep:#140b2b;
  --deep2:#1c1140;
  --card:#160d30;
  --violet:#8b5cf6;
  --violet2:#c084fc;
  --blue:#22c3ff;
  --gold:#ffb84d;
  --bone:#f4f1ea;
  --muted:#9b93bb;
  --line:rgba(244,241,234,0.09);
  --radius:18px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{
  scroll-behavior:smooth;
  overflow-x:hidden;
  width:100%;
  scrollbar-gutter:stable;
}
body{
  background:var(--void);
  color:var(--bone);
  font-family:'Vazirmatn', sans-serif;
  overflow-x:hidden;
  width:100%;
  min-height:100vh;
  position:relative;
}
::selection{ background:var(--violet); color:var(--void); }
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--void); }
::-webkit-scrollbar-thumb{ background:var(--deep2); border-radius:10px; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }
input, select{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; border-radius:6px; }
.mono{ font-family:'JetBrains Mono', monospace; }
.brand-en{ font-family:'Space Grotesk','JetBrains Mono',sans-serif; }

/* ---------- background atmosphere ---------- */
.atmosphere{ position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none; width:100vw; }
.blob{ position:absolute; border-radius:50%; filter:blur(100px); opacity:0.5; animation: drift 24s ease-in-out infinite alternate; }
.blob.b1{ width:520px; height:520px; background:var(--violet); top:-160px; right:-120px; animation-duration:27s;}
.blob.b2{ width:460px; height:460px; background:var(--blue); bottom:-140px; left:-100px; animation-duration:31s; animation-delay:-6s;}
.blob.b3{ width:360px; height:360px; background:var(--violet2); top:40%; left:45%; opacity:0.2; animation-duration:35s; animation-delay:-12s;}
@keyframes drift{ from{ transform: translate(0,0) scale(1); } to{ transform: translate(60px,-40px) scale(1.15); } }
.grain{
  position:fixed; inset:0; z-index:1; pointer-events:none; opacity:0.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.circuit-overlay{
  position:fixed; inset:0; z-index:1; pointer-events:none; opacity:0.05;
  background-image:
    linear-gradient(var(--blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--blue) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 80% 10%, black, transparent 60%);
}

/* ---------- intro ---------- */
#intro{
  position:fixed; inset:0; z-index:100; background:var(--void);
  overflow:hidden; width:100vw; height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:22px;
  clip-path:circle(150% at 50% 50%);
  transition: clip-path 1s cubic-bezier(.76,0,.24,1);
}
#intro.iris-out{ clip-path:circle(0% at 50% 50%); }
.intro-logo-wrap{ position:relative; width:min(200px,38vw); aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; }
.intro-logo-wrap img{
  width:100%; height:100%; object-fit:contain; border-radius:50%;
  animation: logoPulse 2.6s ease-in-out infinite;
  filter:drop-shadow(0 0 30px rgba(139,92,246,0.55));
}
@keyframes logoPulse{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.04); } }
.ring{
  position:absolute; inset:0; border-radius:50%; border:1.5px solid rgba(34,195,255,0.5);
  animation: ringOut 2.2s cubic-bezier(.2,.7,.3,1) infinite;
  opacity:0;
}
.ring.r2{ animation-delay:.7s; }
.ring.r3{ animation-delay:1.4s; }
@keyframes ringOut{
  0%{ transform:scale(0.85); opacity:0.9; border-color:var(--blue); }
  100%{ transform:scale(1.6); opacity:0; border-color:var(--violet); }
}
#intro h1{
  font-size:clamp(1.9rem, 6vw, 3.4rem); font-weight:800; letter-spacing:1px;
  background:linear-gradient(90deg, var(--violet2), var(--blue), var(--violet2));
  background-size:250% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation: shine 2s linear infinite;
  opacity:0; animation: fadeUp .8s ease forwards .5s, shine 2.4s linear infinite .5s;
}
@keyframes shine{ to{ background-position:250% 0; } }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
#intro .tag{ color:var(--muted); font-size:0.9rem; letter-spacing:2px; opacity:0; animation: fadeUp .7s ease forwards .9s; }
#intro .bar{ width:220px; height:3px; background:var(--line); border-radius:3px; overflow:hidden; opacity:0; animation: fadeUp .5s ease forwards 1.1s; }
#intro .bar i{ display:block; height:100%; width:0%; background:linear-gradient(90deg,var(--violet),var(--blue)); animation: load 1.6s ease forwards 1.2s; }
@keyframes load{ to{ width:100%; } }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(24px); animation: rise .8s cubic-bezier(.16,1,.3,1) forwards; }
@keyframes rise{ to{ opacity:1; transform:none; } }

/* ---------- header ---------- */
header{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px clamp(16px,5vw,56px);
  backdrop-filter:blur(16px); background:rgba(7,5,15,0.65);
  border-bottom:1px solid var(--line);
}
.logo{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.2rem; }
.logo img{ width:34px; height:34px; border-radius:50%; box-shadow:0 0 16px rgba(139,92,246,0.6); }
nav{ display:flex; gap:28px; }
nav a{ color:var(--muted); font-size:0.95rem; transition:color .2s; }
nav a:hover{ color:var(--bone); }
.cta-btn{
  display:flex; align-items:center; gap:8px;
  background:linear-gradient(90deg,var(--violet),var(--blue));
  color:var(--void); font-weight:700; font-size:0.92rem;
  padding:11px 20px; border-radius:999px;
  box-shadow:0 8px 24px -8px rgba(139,92,246,0.6);
  transition:transform .2s ease, box-shadow .2s ease;
}
.cta-btn:hover{ transform:translateY(-2px); box-shadow:0 12px 28px -6px rgba(139,92,246,0.75); }

/* ---------- hero ---------- */
.hero{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.15fr 0.85fr; align-items:center; gap:40px;
  padding:min(9vw,90px) clamp(16px,5vw,56px) 60px;
}
.hero .eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--blue); font-size:0.82rem; letter-spacing:2px; font-weight:600;
  border:1px solid rgba(34,195,255,0.35); padding:6px 14px; border-radius:999px; margin-bottom:22px;
}
.hero h1{ font-size:clamp(2.4rem, 5vw, 4rem); font-weight:900; line-height:1.15; letter-spacing:-1.5px; }
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--violet2),var(--blue));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p{ color:var(--muted); font-size:1.08rem; max-width:46ch; margin-top:20px; line-height:1.9; }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.btn-ghost{ padding:14px 26px; border-radius:999px; border:1px solid var(--line); color:var(--bone); font-weight:600; transition:.2s; }
.btn-ghost:hover{ border-color:var(--blue); background:rgba(34,195,255,0.06); }
.btn-solid{ padding:14px 26px; border-radius:999px; font-weight:700; background:var(--bone); color:var(--void); transition:.2s; }
.btn-solid:hover{ transform:translateY(-2px); }
.stat-row{ display:flex; gap:32px; margin-top:44px; }
.stat-row div b{ display:block; font-size:1.5rem; font-weight:800; }
.stat-row div span{ color:var(--muted); font-size:0.8rem; }

.logo-hero-wrap{ position:relative; display:flex; align-items:center; justify-content:center; }
.logo-hero-wrap img{
  width:min(320px,78vw); aspect-ratio:1/1; object-fit:contain; border-radius:50%;
  filter:drop-shadow(0 20px 60px rgba(139,92,246,0.45));
}
.logo-hero-wrap .glow{
  position:absolute; inset:8%; border-radius:50%; z-index:-1;
  background:radial-gradient(circle, rgba(139,92,246,0.35), transparent 65%);
  filter:blur(30px);
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse{ 0%,100%{ opacity:0.7; } 50%{ opacity:1; } }

/* ---------- section shell ---------- */
section{ position:relative; z-index:2; padding:20px clamp(16px,5vw,56px); }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; margin:70px 0 26px; flex-wrap:wrap; gap:14px; }
.section-head h2{ font-size:clamp(1.5rem,3vw,2.1rem); font-weight:800; }
.section-head span{ color:var(--muted); font-size:0.92rem; }

/* ---------- search panel (redesigned) ---------- */
.search-panel{
  position:relative; padding:2px; border-radius:26px;
  background:conic-gradient(from var(--angle,0deg), var(--violet), var(--blue), var(--gold), var(--violet));
  animation: rotateBorder 6s linear infinite;
  box-shadow:0 30px 70px -30px rgba(139,92,246,0.4);
}
@property --angle{ syntax:'<angle>'; initial-value:0deg; inherits:false; }
@keyframes rotateBorder{ to{ --angle:360deg; } }
.search-panel-inner{
  background:linear-gradient(180deg, var(--card), var(--deep));
  border-radius:24px; padding:24px clamp(16px,3vw,30px);
  display:flex; flex-direction:column; gap:18px;
}
.search-row{ display:flex; gap:14px; align-items:center; position:relative; }
.search-box{
  flex:1; display:flex; align-items:center; gap:12px;
  background:var(--void); border:1px solid var(--line); border-radius:14px; padding:14px 18px;
  transition:border-color .2s, box-shadow .2s; position:relative;
}
.search-box:focus-within{ border-color:var(--blue); box-shadow:0 0 0 4px rgba(34,195,255,0.12); }
.search-box svg{ width:19px; height:19px; stroke:var(--muted); flex-shrink:0; transition:stroke .2s; }
.search-box:focus-within svg{ stroke:var(--blue); }
.search-box input{ flex:1; background:none; border:none; color:var(--bone); font-size:1rem; }
.search-box input::placeholder{ color:var(--muted); }
.search-clear{ color:var(--muted); font-size:1.1rem; width:16px; flex-shrink:0; opacity:0; pointer-events:none; transition:opacity .15s; }
.search-box.has-text .search-clear{ opacity:1; pointer-events:auto; }
select.sort-select{
  background:var(--void); border:1px solid var(--line); color:var(--bone);
  padding:14px 16px; border-radius:14px; font-size:0.92rem;
}
.suggest-drop{
  position:absolute; top:calc(100% + 10px); left:0; right:0; z-index:20;
  background:var(--deep2); border:1px solid var(--line); border-radius:16px; overflow:hidden;
  box-shadow:0 26px 50px -20px rgba(0,0,0,0.7);
  opacity:0; transform:translateY(-8px); pointer-events:none; transition:.2s ease;
}
.suggest-drop.open{ opacity:1; transform:none; pointer-events:auto; }
.suggest-item{ display:flex; align-items:center; gap:12px; padding:11px 16px; transition:background .15s; }
.suggest-item:hover{ background:rgba(139,92,246,0.12); }
.suggest-item .s-cover{ width:34px; height:34px; border-radius:8px; flex-shrink:0; }
.suggest-item b{ font-size:0.9rem; display:block; }
.suggest-item span{ color:var(--muted); font-size:0.76rem; }
.suggest-item .s-tag{ margin-right:auto; color:var(--blue); font-size:0.72rem; }

.chip-row{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  display:flex; align-items:center; gap:7px;
  padding:9px 16px; border-radius:999px; border:1px solid var(--line);
  color:var(--muted); font-size:0.86rem; font-weight:600; transition:.18s;
}
.chip .count{ font-size:0.72rem; opacity:0.75; }
.chip:hover{ color:var(--bone); border-color:var(--muted); }
.chip.active{ color:var(--void); background:linear-gradient(90deg,var(--violet),var(--blue)); border-color:transparent; }

/* ---------- track grid ---------- */
.grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(230px,1fr)); gap:18px; margin-top:26px; }
.track-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:14px; display:flex; flex-direction:column; gap:12px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position:relative; overflow:hidden;
}
.track-card:hover{ transform:translateY(-5px); border-color:rgba(255,255,255,0.18); box-shadow:0 22px 40px -20px rgba(0,0,0,0.6); }
.track-card.playing{ border-color:var(--violet); box-shadow:0 0 0 1px var(--violet), 0 20px 40px -18px rgba(139,92,246,0.45); }
.cover{ aspect-ratio:1/1; border-radius:12px; position:relative; overflow:hidden; display:flex; align-items:center; justify-content:center; }
.cover .ring2{ width:46%; aspect-ratio:1/1; border-radius:50%; border:3px solid rgba(255,255,255,0.25); position:relative; }
.cover .ring2::after{ content:''; position:absolute; inset:38%; border-radius:50%; background:rgba(0,0,0,0.4); }
.play-btn{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(7,5,15,0); opacity:0; transition:.2s; }
.cover:hover .play-btn, .track-card.playing .play-btn{ opacity:1; background:rgba(7,5,15,0.35); }
.play-btn button{ width:50px; height:50px; border-radius:50%; background:var(--bone); color:var(--void); display:flex; align-items:center; justify-content:center; transform:scale(0.85); transition:.2s; }
.cover:hover .play-btn button{ transform:scale(1); }
.play-btn svg{ width:20px; height:20px; }
.mini-eq{ position:absolute; bottom:10px; left:10px; display:flex; gap:3px; align-items:flex-end; height:16px; }
.mini-eq span{ width:3px; background:var(--bone); border-radius:2px; animation:bounce .9s ease-in-out infinite; }
.track-card:not(.playing) .mini-eq{ display:none; }
@keyframes bounce{ 0%,100%{ height:4px; } 50%{ height:15px; } }
.t-title{ font-weight:700; font-size:0.98rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.t-artist{ color:var(--muted); font-size:0.85rem; }
.t-meta{ display:flex; align-items:center; justify-content:space-between; margin-top:2px; }
.t-tag{ font-size:0.72rem; color:var(--blue); background:rgba(34,195,255,0.1); padding:4px 9px; border-radius:999px; }
.t-time{ color:var(--muted); font-size:0.78rem; }
.dl-btn{ display:flex; align-items:center; justify-content:center; width:28px; height:28px; border-radius:8px; color:var(--muted); border:1px solid var(--line); transition:.18s; }
.dl-btn:hover{ color:var(--bone); border-color:var(--blue); background:rgba(34,195,255,0.08); }
.dl-btn svg{ width:14px; height:14px; }

.owner-btn{ font-size:0.85rem; padding:11px 16px; white-space:nowrap; }
body.owner-mode .owner-btn{ border-color:var(--gold); color:var(--gold); }

.empty-state{ grid-column:1/-1; text-align:center; padding:70px 20px; color:var(--muted); }
.empty-state h3{ color:var(--bone); font-size:1.3rem; margin-bottom:8px; }
.empty-state button{ margin-top:18px; color:var(--blue); font-weight:700; text-decoration:underline; }

/* ---------- upload modal ---------- */
.modal-backdrop{
  position:fixed; inset:0; background:rgba(4,3,10,0.75); backdrop-filter:blur(6px);
  z-index:90; display:flex; align-items:center; justify-content:center; padding:20px;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.modal-backdrop.open{ opacity:1; pointer-events:auto; }
.modal{
  width:min(520px,100%); background:linear-gradient(180deg,var(--card),var(--deep));
  border:1px solid var(--line); border-radius:22px; padding:28px; position:relative;
  transform:translateY(16px) scale(0.97); transition:transform .25s ease;
  max-height:88vh; overflow-y:auto;
}
.modal-backdrop.open .modal{ transform:none; }
.modal h3{ font-size:1.35rem; font-weight:800; margin-bottom:6px; }
.modal p.sub{ color:var(--muted); font-size:0.88rem; margin-bottom:22px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:0.85rem; color:var(--muted); margin-bottom:7px; }
.field input[type=text], .field select{ width:100%; background:var(--void); border:1px solid var(--line); color:var(--bone); padding:12px 14px; border-radius:12px; font-size:0.95rem; }
.file-drop{ border:1.5px dashed var(--line); border-radius:14px; padding:18px; text-align:center; color:var(--muted); font-size:0.85rem; cursor:pointer; transition:.2s; }
.file-drop:hover{ border-color:var(--blue); color:var(--bone); }
.file-drop.filled{ border-color:var(--gold); color:var(--gold); }
.modal-actions{ display:flex; gap:12px; margin-top:22px; }
.modal-actions .btn-solid, .modal-actions .btn-ghost{ flex:1; text-align:center; }
.close-x{ position:absolute; top:20px; left:20px; color:var(--muted); font-size:1.4rem; }

/* ---------- player bar ---------- */
.player{
  position:fixed; bottom:0; left:0; right:0; z-index:80;
  background:rgba(7,5,15,0.9); backdrop-filter:blur(18px); border-top:1px solid var(--line);
  display:flex; align-items:center; gap:18px; padding:12px clamp(12px,3vw,30px);
  transform:translateY(110%); transition:transform .4s cubic-bezier(.16,1,.3,1);
}
.player.show{ transform:none; }
.player .p-cover{ width:52px; height:52px; border-radius:10px; flex-shrink:0; position:relative; overflow:hidden; }
.player .p-info{ min-width:120px; max-width:180px; }
.player .p-info b{ display:block; font-size:0.9rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.player .p-info span{ color:var(--muted); font-size:0.78rem; }
.p-controls{ display:flex; align-items:center; gap:10px; }
.p-controls button{ width:38px; height:38px; display:flex; align-items:center; justify-content:center; color:var(--bone); }
.p-controls .play-toggle{ width:44px; height:44px; border-radius:50%; background:var(--bone); color:var(--void); }
.p-controls svg{ width:18px; height:18px; }
.p-seek-wrap{ flex:1; display:flex; align-items:center; gap:10px; min-width:120px; }
.p-seek-wrap span{ color:var(--muted); font-size:0.75rem; width:38px; text-align:center; }
input[type=range]{ -webkit-appearance:none; flex:1; height:4px; border-radius:3px; background:var(--line); cursor:pointer; }
input[type=range]::-webkit-slider-thumb{ -webkit-appearance:none; width:13px; height:13px; border-radius:50%; background:var(--bone); box-shadow:0 0 0 4px rgba(139,92,246,0.25); }
#vizCanvas{ width:90px; height:34px; flex-shrink:0; }
.vol-wrap{ display:flex; align-items:center; gap:8px; width:110px; }
.vol-wrap svg{ width:16px; height:16px; color:var(--muted); flex-shrink:0; }
.p-close{ color:var(--muted); flex-shrink:0; }
#pDownload{ color:var(--muted); flex-shrink:0; width:20px; height:20px; }
#pDownload:hover{ color:var(--blue); }
#pDownload svg{ width:18px; height:18px; }

.toast{
  position:fixed; bottom:110px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--bone); color:var(--void); font-weight:700; padding:13px 22px; border-radius:999px;
  z-index:95; opacity:0; transition:.3s ease; box-shadow:0 12px 30px -8px rgba(0,0,0,0.5);
  display:flex; align-items:center; gap:8px;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

footer{ position:relative; z-index:2; text-align:center; padding:50px 20px 130px; color:var(--muted); font-size:0.85rem; }
footer b{ color:var(--bone); }

@media(max-width:880px){
  .hero{ grid-template-columns:1fr; }
  .logo-hero-wrap{ order:-1; }
  nav{ display:none; }
  .p-info{ display:none; }
  #vizCanvas{ display:none; }
  .vol-wrap{ display:none; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}