html,body{
  margin:0;
  height:100%;
  background:#00013a;
  font-family:system-ui,-apple-system,BlinkMacSystemFont;
  color:#fff;
  overflow-x:hidden;
}

#particles{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
}

/* HEADER */
.app-header{
  position:sticky;
  top:0;
  z-index:5;
  height:56px;
  display:flex;
  justify-content:center;
  align-items:center;
  background:linear-gradient(90deg,#0b2f7c,#071b4f,#00013a);
  box-shadow:0 4px 20px rgba(0,0,0,.6);
}

.app-header img{height:30px}

/* CONTENT */
.container{
  position:relative;
  z-index:2;
  padding:18px;
}

/* POSTER GRID */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:14px;
}

/* CARD */
.poster{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  background:#000;
  box-shadow:0 12px 40px rgba(0,0,0,.8);
  transition:transform .3s ease;
}
.poster:hover{transform:scale(1.05)}

.poster img{
  width:100%;
  height:260px;
  object-fit:cover;
}

/* OVERLAY */
.overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(
    180deg,
    rgba(0,0,0,.05),
    rgba(0,0,0,.85)
  );
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:12px;
}

.overlay h3{
  margin:0;
  font-size:14px;
  font-weight:600;
}

.meta{
  font-size:11px;
  opacity:.8;
  margin-top:2px;
}

.btn{
  margin-top:8px;
  padding:8px;
  text-align:center;
  background:#1f6fff;
  border-radius:8px;
  text-decoration:none;
  color:#fff;
  font-size:13px;
  font-weight:600;
}