:root{
  --card-bg: rgba(255,255,255,0.07);
  --text: #f8fafc;
  --radius: 14px;
  --gap: 16px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;padding:0;overflow-x:hidden;}
body{
  color:var(--text);
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* === RGB background === */
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:linear-gradient(45deg,#ff0040,#ff8000,#ffee00,#00ff40,#00ffee,#0040ff,#8000ff,#ff0080);
  background-size:800% 800%;
  animation: rgbShift 18s ease infinite;
  z-index:-3;
  filter:blur(60px);
  opacity:0.45;
}

@keyframes rgbShift{
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}


#bgCanvas{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  opacity:0.3;
}


.app-header{
  padding:18px;
  text-align:center;
  color: rgb(17, 17, 17);
  text-shadow: 0 0 1px rgba(204, 20, 35, 0.4);
  font-size: 3rem; 
}
.app-header h1 {
  margin: 6px 0;
  font-size: 3rem; 
  letter-spacing: 1px;
  text-shadow: 0 0 1px rgba(204, 20, 35, 0.4);
  color: rgb(10, 12, 9);
}
.subtitle{margin:0;color:rgba(255,255,255,0.7);font-size:0.95rem;}

.container{flex:1;padding:16px;}
.grid{
  display:grid;
  gap:var(--gap);
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
}

.card{
  background:var(--card-bg);
  border-radius:var(--radius);
  padding:10px;
  display:flex;
  flex-direction:column;
  align-items:center;
  cursor:pointer;
  transition:transform .1s, box-shadow .2s;
  border:1px solid rgba(255,255,255,0.05);
}
.card:hover{box-shadow:0 6px 16px rgba(0,0,0,0.4);}
.card:active{transform:scale(0.97);}

.thumb{
  width:100%;
  height:110px;
  object-fit:cover;
  border-radius:10px;
  margin-bottom:10px;
}
.title{text-align:center;font-weight:700;color: rgb(43, 15, 24);text-shadow: 0 0 1px rgba(204, 20, 35, 0.4);
}
.controls{display:flex;gap:8px;}
.btn{
  background:rgba(255,255,255,0.08);
  border:none;
  border-radius:10px;
  color:var(--text);
  padding:6px 10px;
  cursor:pointer;
}

.app-footer{text-align:center;padding:10px;color:rgba(255,255,255,0.6);}