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

body {
  background: linear-gradient(to bottom, #0d0d0d, #000);
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* === Background Animation === */
.background-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, #1a1a1a 0%, #000 100%);
  opacity: 0.25;
  animation: floatBg 30s infinite ease-in-out;
  z-index: 0;
}

@keyframes floatBg {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* === Header === */
.site-header {
  text-align: center;
  padding: 4rem 1rem 2rem;
  z-index: 1;
  position: relative;
}

.site-title {
  font-size: 3rem;
  letter-spacing: 0.25rem;
  color: #fff;
  text-shadow: 0 0 8px #666;
}
.site-subtitle {
  font-size: 2rem;
  letter-spacing: 0.25rem;
  color: #fff;
  text-shadow: 0 0 8px #666;
}
.site-motto {
  font-style: italic;
  color: #aaa;
  margin-top: 1rem;
  min-height: 1.5em;
}

/* === Main Content === */
.main-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem 1rem;
  z-index: 1;
  position: relative;
}

.enter-button {
  background-color: #222;
  color: white;
  padding: 1rem 2rem;
  border: 1px solid #555;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.enter-button:hover {
  background-color: #333;
}

/* === Login Section === */
.login-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.login-form input {
  background-color: #111;
  color: #eee;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  width: 220px;
  font-size: 0.95rem;
}

.login-form button {
  background-color: #4b0082;
  color: #fff;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.login-form button:hover {
  background-color: #5f00a0;
}

.message {
  font-size: 0.9rem;
  color: #f87171;
}

/* === Info Section === */
.info {
  text-align: center;
  font-size: 0.9rem;
  color: #888;
}

.encryption-key {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1rem;
  color: #999;
}

/* === Footer === */
.site-footer {
  text-align: center;
  font-size: 0.75rem;
  color: #666;
  padding: 1.5rem 1rem;
  border-top: 1px solid #222;
  margin-top: auto;
  z-index: 1;
  position: relative;
}

.protocol {
  margin-top: 0.25rem;
  color: #555;
}

/* === Utility === */
.hidden {
  display: none;
}