body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(#111, #222);
  color: #fff;
  padding: 20px;
  max-width: 600px;
  margin: auto;
  text-align: center;
}

h1 {
  font-size: 2.5em;
  color: #ff3333;
  margin-bottom: 1rem;
}

input, button {
  padding: 12px;
  margin: 10px 0;
  font-size: 1em;
  width: 80%;
  max-width: 350px;
  border-radius: 5px;
  border: none;
  transition: background-color 0.3s ease;
}

input {
  background-color: #222;
  color: #ddd;
  border: 1px solid #444;
}

input::placeholder {
  color: #666;
}

button {
  cursor: pointer;
  background-color: #ff4444;
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #cc0000;
}

#answers button {
  display: block;
  margin: 10px auto;
  background: #444;
  border: none;
  color: white;
  padding: 12px;
  width: 60%;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
}

#answers button:hover {
  background: #666;
}

#progress-bar-container {
  width: 80%;
  height: 20px;
  background: #333;
  margin: 10px auto;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(255, 68, 68, 0.3);
}

#progress-bar {
  height: 100%;
  width: 0%;
  background: #ff4444;
  transition: width 0.3s ease;
}

#timer {
  font-size: 1.1em;
  margin: 10px 0;
  color: #ff6666;
}