/* reset 일부 */
*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui, sans-serif}

body{
  background:#f4f6fa;
  color:#333;
  line-height:1.4;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

header{
  background:#2e66f2;
  color:#fff;
  padding:40px 20px;
  text-align:center;
  box-shadow:0 2px 6px rgba(0,0,0,.1);
}

main{
  flex:1;
  display:grid;
  gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  padding:40px 20px;
}

.card{
  background:#fff;
  border-radius:12px;
  padding:24px;
  box-shadow:0 4px 8px rgba(0,0,0,.05);
  display:flex;
  flex-direction:column;
  gap:12px;
}

button{
  padding:10px 16px;
  background:#2e66f2;
  color:#fff;
  border:none;
  border-radius:6px;
  cursor:pointer;
  font-weight:600;
  transition:.2s;
}
button:hover{background:#1d4cd6}

#fps-canvas{
  background:#000;
  width:100%;
  border-radius:6px;
}

.player{
  margin-bottom:20px;
}
.player video,
.player audio{
  width:100%;
  border-radius:6px;
}
.support{
  font-size:.85rem;
  color:#555;
}

footer{
  text-align:center;
  padding:20px;
  font-size:.8rem;
  color:#777;
}