body {
  background-color: #050714;
  color: #e0e6f8;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  padding: 20px;
  max-width: 900px;
  margin: auto;
  user-select: none;
}

.container {
  background-color: #0a0f1c;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 0 15px #0ff;
  border: 1px solid #00ffff44;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: #00ffff;
}

p {
  font-size: 1.1em;
  line-height: 1.5em;
  margin-bottom: 15px;
}

ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

.modal {
  position: fixed;
  z-index: 200;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: #121829;
  border-radius: 10px;
  padding: 25px;
  width: 320px;
  box-shadow: 0 0 10px #00ffff;
  text-align: center;
}

input[type="password"] {
  width: 90%;
  padding: 10px;
  margin: 12px 0;
  background-color: #011826;
  border: 1px solid #00ffff;
  border-radius: 6px;
  color: #00ffff;
  font-size: 1em;
  outline: none;
}

input[type="password"]:focus {
  border-color: #00ffffdd;
}

button {
  background-color: #00ffff;
  border: none;
  color: #001111;
  font-weight: 700;
  padding: 12px 24px;
  cursor: pointer;
  border-radius: 6px;
  font-size: 1em;
  transition: background-color 0.3s ease;
}

button:disabled {
  background-color: #00444488;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  background-color: #00dddd;
}

.error-text {
  color: #ff4444;
  margin-top: 8px;
  font-weight: 600;
}