html, body { margin: 0; padding: 0; height: 100%; font-family: sans-serif; }

body { background: #111; color: #fff; overflow: hidden; }

.landing {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 24px; box-sizing: border-box;
}

.landing h1 { font-size: 20px; margin-bottom: 4px; }
.landing p { color: #ccc; max-width: 320px; line-height: 1.4; }

.preview {
  max-width: 260px; width: 70%; border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5); margin: 20px 0;
}

button {
  margin-top: 20px; padding: 14px 32px; font-size: 16px;
  border: none; border-radius: 30px; background: #e63946;
  color: #fff; cursor: pointer;
}
button:active { opacity: 0.8; }

.overlay {
  position: fixed; inset: 0; background: #111; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; z-index: 999; text-align: center;
  padding: 20px; box-sizing: border-box;
}
.error-overlay { color: #ff8a8a; }

.hint {
  position: fixed; bottom: 20px; left: 0; right: 0;
  text-align: center; text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  z-index: 998; pointer-events: none; display: none;
}

.error { color: #ff8a8a; }