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

body, html {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  color: #fff;
  overflow: hidden;
  position: relative;
}

/* Background Image (heavily darkened) */
.overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: url('efbdcea4fcb0dbdb61a2ac7cbfa40f44.jpg') no-repeat center center;
  background-size: cover;
  filter: brightness(0.15);
  z-index: 0;
}

/* Portal Container */
.portal {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 400px;
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(20, 20, 20, 0.8);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 0 30px rgba(255, 0, 0, 0.1);
}

.portal h1 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #d4af37; /* gold-like for royal feel */
  letter-spacing: 1px;
}

input[type="text"] {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  background: #1a1a1a;
  color: #fff;
}

button {
  padding: 12px 20px;
  background: #d4af37;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  color: #000;
  font-size: 15px;
}

button:hover {
  background: #b9962d;
}

#message {
  margin-top: 15px;
  font-size: 14px;
  color: #ff5252;
}