* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #1e1e1e;
  color: #fff;
  height: 100vh;
  overflow: hidden;
}

#app {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#drop-zone {
  width: 80%;
  max-width: 600px;
  height: 300px;
  border: 3px dashed #555;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 1.2rem;
  color: #aaa;
  cursor: pointer;
  transition: all 0.2s ease;
}

#drop-zone:hover, #drop-zone.dragover {
  border-color: #007acc;
  background-color: rgba(0, 122, 204, 0.1);
  color: #fff;
}

#player-container {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #000;
}

#canvas-wrapper {
  flex: 1;
  width: 100%;
  height: 100%;
}

#output-log {
  height: 120px;
  background-color: #111;
  color: #0f0;
  font-family: monospace;
  padding: 10px;
  overflow-y: auto;
  border-top: 1px solid #333;
}