body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #f8f6fa;
  color: #333;
  line-height: 1.6;
}

.hidden {
  display: none;
}

header, footer {
  text-align: center;
  padding: 1em;
}

h1, h2, h3 {
  color: #574f7d;
}

main {
  max-width: 800px;
  margin: auto;
  padding: 1em;
}

/* Lock screen */
.lock-screen {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 999;
  color: #fff;
}
.lock-container {
  text-align: center;
  background-color: #fff;
  padding: 2em;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  color: #333;
}
.lock-container input {
  padding: 0.5em;
  border-radius: 5px;
  border: 1px solid #ccc;
  width: 200px;
}
.lock-container button {
  margin-left: 0.5em;
  padding: 0.5em 1em;
  border: none;
  border-radius: 5px;
  background-color: #a68dad;
  color: #fff;
  cursor: pointer;
}
.lock-container .error {
  color: #e74c3c;
}

/* Impostometer */
.impostometer .cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1em;
}
.impostometer .card {
  background-color: #efecf5;
  border-radius: 10px;
  padding: 1em;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.impostometer .card h3 {
  margin: 0;
  color: #7a6c97;
}
.impostometer .card p {
  font-size: 1.5em;
  margin: 0.5em 0;
}

/* Quiz */
.quiz .feedback {
  margin: 0.5em 0;
  min-height: 1.5em;
}
.quiz .feedback.ok {
  color: #27ae60;
}
.quiz .feedback.warm {
  color: #e67e22;
}
.quiz .feedback.cold {
  color: #c0392b;
}
.quiz .memory-card {
  background-color: #f0edf5;
  border-radius: 8px;
  padding: 1em;
  margin: 0.5em 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Extra Pages */
.extra-section ul {
  list-style: none;
  padding: 0;
}
.extra-section li {
  margin: 0.5em 0;
}
.extra-section a {
  text-decoration: none;
  color: #574f7d;
}

/* Easter egg */
.invisible-button {
  background: none;
  border: none;
  color: transparent;
  cursor: pointer;
}
.egg-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0,0,0,0.8);
}
.egg-content {
  background-color: #fff;
  padding: 2em;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  position: relative;
}
.egg-content button {
  position: absolute;
  top: 10px;
  right: 10px;
  border: none;
  background: none;
  font-size: 1.2em;
  cursor: pointer;
}

/* Gallery */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1em;
}
.media-item {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.lock-message {
  background-color: #fdeff4;
  padding: 1em;
  border-radius: 8px;
  margin: 1em 0;
  text-align: center;
  color: #c0392b;
}

/* Sounds */
.sound-grid {
  display: flex;
  gap: 1em;
}
.sound-button {
  padding: 1em 2em;
  border-radius: 8px;
  border: none;
  background-color: #d6c6eb;
  cursor: pointer;
}

/* Contract */
.signature-canvas {
  border: 2px dashed #7a6c97;
  background-color: #fff;
}
.signature-controls button {
  margin-right: 0.5em;
  padding: 0.5em 1em;
  border: none;
  border-radius: 5px;
  background-color: #a68dad;
  color: #fff;
  cursor: pointer;
}