/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
  margin: 0;
}

#root {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 15px;
}

/* Buttons */
button {
  background-color: #007bff;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  background-color: #0056b3;
}

/* Headings */
h1, h2, h3 {
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

p {
  text-align: center;
  margin-bottom: 15px;
  font-size: 16px;
}

/* Videos */
video {
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 300px;
  margin-bottom: 20px;
}

/* Containers */
.container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 15px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Links */
a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Responsive Layouts */
@media (max-width: 768px) {
  button {
    padding: 14px 18px;
    font-size: 18px;
  }

  video {
    max-width: 100%;
  }

  h1, h2 {
    font-size: 22px;
  }

  p {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  button {
    width: 100%;
  }

  h1 {
    font-size: 20px;
  }

  h2 {
    font-size: 18px;
  }

  p {
    font-size: 13px;
  }
}