body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111827;
  color: white;
}

header {
  background: #1f2937;
  padding: 20px;
  text-align: center;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
  background: #374151;
  padding: 8px 14px;
  border-radius: 8px;
}

main:not(.studio-layout) {
  padding: 25px;
}

.games-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.game-card {
  background: #1f2937;
  width: 260px;
  border-radius: 12px;
  overflow: hidden;
  padding-bottom: 15px;
}

.game-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.game-card h3,
.game-card p {
  margin: 12px;
}

.play-btn {
  display: block;
  margin: 12px;
  padding: 10px;
  text-align: center;
  background: #22c55e;
  color: black;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
}

.form-box {
  max-width: 400px;
  margin: auto;
  background: #1f2937;
  padding: 20px;
  border-radius: 12px;
}

input,
textarea,
button {
  width: 100%;
  box-sizing: border-box;
  margin: 8px 0;
  padding: 12px;
  border-radius: 8px;
  border: none;
}

textarea {
  height: 100px;
}

button {
  background: #22c55e;
  font-weight: bold;
  cursor: pointer;
}

.studio-layout {
  display: flex;
  height: calc(100vh - 100px);
  padding: 0;
}

.sidebar {
  width: 300px;
  min-width: 300px;
  background: #1f2937;
  padding: 15px;
  overflow-y: auto;
  z-index: 5;
}

.sidebar button,
.sidebar input,
.sidebar textarea,
.sidebar select {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 12px;
}

.viewport {
  flex: 1;
  background: #0f172a;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#viewport {
  width: 100%;
  height: 500px;
}

#avatarBox {
  width: 96px;
  height: 96px;
  background: #374151;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  margin: 20px auto;
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  header {
    padding: 14px;
  }

  header h1 {
    font-size: 24px;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }

  nav a {
    display: inline-block;
    padding: 10px 12px;
    font-size: 14px;
  }

  main {
    padding: 12px;
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .game-card {
    width: 100%;
  }

  .game-card img {
    width: 100%;
    height: auto;
  }

  input,
  textarea,
  button,
  select {
    font-size: 16px;
  }
}