body {
  background: linear-gradient(to bottom, #1a1a2e, #16213e);
  color: #f0e6f6;
  font-family: 'Cinzel', serif;
  padding: 2em;
}

.container {
  max-width: 800px;
  margin: auto;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2em;
  border-radius: 12px;
  box-shadow: 0 0 20px #9d4edd;
}

h1, h2 {
  text-align: center;
  color: #ffb4ed;
}

.login-box {
  text-align: center;
  margin-bottom: 2em;
}

input[type="password"], input[type="text"], textarea {
  width: 100%;
  padding: 0.5em;
  margin-top: 0.5em;
  border-radius: 6px;
  border: none;
  background-color: #2a2a40;
  color: #fff;
}

button {
  margin-top: 1em;
  padding: 0.5em 1em;
  background-color: #9d4edd;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #c77dff;
}

.equation-box {
  margin-top: 1em;
  padding: 1em;
  background-color: #0f0f1a;
  border: 1px solid #444;
  border-radius: 6px;
  font-size: 1.2em;
  color: #fff;
}