/* Full-screen setup */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  font-family: monospace;
  background: linear-gradient(135deg, #1f1f1f, #0f0f0f);
  color: white;
  overflow: hidden;
}

/* Top-left logo */
.top-left {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 1.5rem;
  font-weight: bold;
  color: #facc15;
}

/* Bottom-right footer */
.bottom-right {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-size: 0.9rem;
  color: #999;
}

.bottom-right a { color: #facc15; text-decoration: none; }
.bottom-right a:hover { text-decoration: underline; }

/* Center container */
.fullscreen-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  gap: 15px;
  text-align: center;
  padding: 20px;
}

/* Subtitle */
.subtitle { font-size: 1.2rem; color: #aaa; }

/* Inputs */
.input-box, .output-box {
  width: 80%;
  max-width: 400px;
  padding: 12px;
  font-size: 1.2rem;
  border-radius: 10px;
  border: none;
  text-align: center;
  background: #2e2e2e;
  color: #facc15;
}

/* Checkboxes */
.checkboxes {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 1rem;
  color: #ccc;
}

/* Buttons */
.btn-generate, .btn-copy {
  width: 60%;
  max-width: 300px;
  padding: 15px;
  font-size: 1.2rem;
  font-weight: bold;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.2s;
}

.btn-generate { background-color: #facc15; color: #000; }
.btn-generate:hover { background-color: #fde047; }

.btn-copy { background-color: #4b5563; color: white; }
.btn-copy:hover { background-color: #6b7280; }