:root{
  --bg:#061013;              /* deep teal-black */
  --fg:#e9eef7;
  --muted:rgba(233,238,247,.65);
  --line:rgba(233,238,247,.10);
  --card:rgba(255,255,255,.03);

  --teal:#0ea5a8;            /* teal accent */
  --orange:#c46a2a;          /* dark orange accent */
  --shadow: 0 18px 50px rgba(0,0,0,.58);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background:
    radial-gradient(900px 600px at 18% 0%, rgba(14,165,168,.18), transparent 58%),
    radial-gradient(900px 600px at 82% 10%, rgba(196,106,42,.18), transparent 62%),
    radial-gradient(700px 520px at 50% 110%, rgba(196,106,42,.10), transparent 60%),
    var(--bg);
  color:var(--fg);
  overflow-x:hidden;
}

.grain{
  position:fixed; inset:0;
  pointer-events:none;
  opacity:.12;
  mix-blend-mode: overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 22px;
  background: linear-gradient(to bottom, rgba(6,16,19,.93), rgba(6,16,19,.56));
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.brand{ display:flex; gap:12px; align-items:center; }
.dot{
  width:10px; height:10px; border-radius:99px;
  background: linear-gradient(135deg, var(--teal), var(--orange));
  box-shadow: 0 0 0 6px rgba(14,165,168,.12), 0 0 0 10px rgba(196,106,42,.06);
}
.title{ font-weight:800; letter-spacing:.12em; font-size:13px; }
.subtitle{ font-size:12px; color:var(--muted); margin-top:2px; }

.audio{ display:flex; align-items:center; gap:12px; }
.btn{
  width:40px; height:40px; border-radius:12px;
  background: rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--fg);
  cursor:pointer;
  box-shadow: 0 8px 22px rgba(0,0,0,.35);
}
.btn:hover{ border-color: rgba(14,165,168,.45); }
.audioMeta{ line-height:1.1; }
.track{ font-size:13px; font-weight:650; }
.hint{ font-size:12px; color:var(--muted); }
.vol{ width:140px; accent-color: var(--orange); }

main{ padding: 26px 22px 60px; max-width:1200px; margin:0 auto; }

.intro h1{
  margin: 18px 0 6px;
  font-size: 30px;
  letter-spacing:-.02em;
  font-weight:760;
  max-width: 920px;
}
.intro p{ margin:0; color:var(--muted); }
.kbd{
  padding:2px 8px;
  border:1px solid var(--line);
  border-bottom-color: rgba(255,255,255,.18);
  border-radius:8px;
  font-size:12px;
  background: rgba(255,255,255,.04);
}

.galleryWrap{ margin-top: 22px; }

.controls{
  display:flex;
  gap:10px;
  align-items:center;
  margin-bottom: 14px;
}
.search{
  flex: 1;
  min-width: 180px;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--fg);
  outline: none;
}
.search::placeholder{ color: rgba(233,238,247,.45); }
.search:focus{
  border-color: rgba(196,106,42,.50);
  box-shadow: 0 0 0 6px rgba(196,106,42,.12);
}

.ghost{
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: rgba(233,238,247,.88);
  cursor:pointer;
}
.ghost:hover{ border-color: rgba(14,165,168,.40); }

.gallery{
  column-count: 2;
  column-gap: 14px;
}
@media (min-width: 740px){
  .gallery{ column-count: 3; column-gap: 14px; }
}
@media (min-width: 1040px){
  .gallery{ column-count: 4; column-gap: 14px; }
}

.tile{
  break-inside: avoid;
  margin: 0 0 14px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,.35);
  transform: translateZ(0);
}
.tile button{
  all:unset;
  display:block;
  cursor:pointer;
  width:100%;
}
.thumb{
  width:100%;
  display:block;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: contrast(1.02) saturate(.98);
  transition: transform .22s ease, filter .22s ease;
}
.tile:hover .thumb{
  transform: scale(1.03);
  filter: contrast(1.07) saturate(1.03);
}
.cap{
  padding: 10px 12px 12px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:12px;
  color: var(--muted);
}
.cap.hidden{ display:none; }
.cap .name{
  color: rgba(233,238,247,.90);
  font-weight:650;
}
.cap .tag{
  color: rgba(196,106,42,.92);
  letter-spacing:.06em;
}

/* Lightbox */
.lightbox{
  position:fixed; inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 24px;
  background: rgba(0,0,0,.78);
  backdrop-filter: blur(10px);
  z-index:50;
}
.lightbox.open{ display:flex; }
.stage{
  width:min(1100px, 92vw);
  max-height: 84vh;
  margin:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
}
.stage img{
  width:100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  background: rgba(0,0,0,.25);
}
.stage figcaption{
  color: rgba(233,238,247,.75);
  font-size: 13px;
  text-align:center;
}

.iconBtn{
  position:absolute;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--fg);
  cursor:pointer;
  display:grid;
  place-items:center;
}
.iconBtn:hover{ border-color: rgba(196,106,42,.55); }
.close{ top: 16px; right: 16px; }
.nav{ top: 50%; transform: translateY(-50%); font-size: 34px; }
.prev{ left: 16px; }
.next{ right: 16px; }

@media (max-width: 560px){
  .audioMeta{ display:none; }
  .vol{ width: 100px; }
  .nav{ display:none; }
}
@media (prefers-reduced-motion: reduce){
  .thumb{ transition:none; }
}