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

body {
  font-family: 'Arial', sans-serif;
  background: #0a2540;
  color: white;
}

/* Tela de exibição */
#canvas {
  display: block;
}

.btn-fullscreen {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 10px 15px;
  background: rgba(0,0,0,0.7);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  z-index: 100;
}

#status {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  z-index: 100;
}

/* Painel de upload */
.painel {
  background: #001f3f;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background: white;
  color: #333;
  padding: 40px;
  border-radius: 15px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.container h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #001f3f;
}

.select, .file, .btn-submit {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 2px solid #001f3f;
  border-radius: 8px;
  font-size: 16px;
}

.btn-submit {
  background: #001f3f;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

.btn-submit:hover {
  background: #003366;
}