html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: Arial, sans-serif;
}

body {
  min-height: 100dvh;
}

.app {
  position: relative;
  width: 100vw;
  height: 100dvh;
}

.spline-bg {
  position: fixed;
  inset: 0;
  display: block;
  width: 100vw;
  height: 100dvh;
  z-index: 1;
}

.overlay {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 24px;
  pointer-events: none;
}

.panel {
  max-width: 360px;
  background: rgba(0, 0, 0, 0.55);
  color: white;
  padding: 16px 20px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

p {
  margin: 0;
  line-height: 1.5;
}