:root {
  font-family: 'Inter', system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: dark;
  color: rgba(255, 255, 255, 0.95);
  background-color: #0f172a;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  /* Center vertically if content is small */
  min-width: 320px;
  min-height: 100vh;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  overflow-y: auto;
  /* Ensure vertical scroll is allowed */
}

#app {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

h1 {
  font-size: 4rem;
  line-height: 1;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.3));
}

p {
  font-size: 1.25rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.glass-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: inline-block;
  box-sizing: border-box;
  max-width: 100%;
}

@media (max-width: 640px) {
  #app {
    padding: 1rem;
  }

  .glass-card {
    padding: 1.5rem;
    width: 100%;
    border-radius: 16px;
  }
}