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

body {
  font-family: 'Rajdhani', sans-serif;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: #fff;
  height: 100vh;
  display: flex;
  overflow: hidden;
}

/* Sidebar Glassmorphism */
.glass-sidebar {
  width: 270px;
  background: rgba(15, 20, 30, 0.7);
  backdrop-filter: blur(15px);
  border-right: 2px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

#sidebar-toggle {
  background: none;
  border: none;
  color: #00fff7;
  font-size: 22px;
  cursor: pointer;
  margin-bottom: 20px;
}

.sidebar-content button {
  background-color: rgba(0, 255, 247, 0.1);
  color: #00fff7;
  padding: 12px;
  border: 1px solid #00fff7;
  border-radius: 8px;
  margin-bottom: 15px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.sidebar-content button:hover {
  background-color: rgba(0, 255, 247, 0.2);
}

.conversation-label {
  font-size: 13px;
  color: #ccc;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.conversation {
  color: #8fe3ff;
  font-size: 14px;
  border-left: 2px solid #00fff7;
  padding-left: 10px;
}

/* Header */
.neon-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 30px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.neon-header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  color: #00fff7;
}

.brand {
  color: #ffd700;
}

/* Mode Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #444;
  border-radius: 24px;
  transition: .4s;
}

.slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: .4s;
}

input:checked + .slider {
  background-color: #00fff7;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* Chat Core */
.chat-core {
  flex: 1;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
}

.chat-stream {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
  background: rgba(255, 255, 255, 0.03);
}

.welcome {
  text-align: center;
  color: #9ae5ff;
  margin-top: 40px;
}

/* Messages */
.chat-stream div {
  margin-bottom: 15px;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}

/* Input Box */
.neon-input-box {
  display: flex;
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(0, 0, 0, 0.2);
}

.neon-input-box input {
  flex: 1;
  padding: 12px;
  font-size: 16px;
  border-radius: 10px;
  border: 1px solid #00fff7;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  outline: none;
}

.neon-input-box button {
  margin-left: 12px;
  padding: 12px 18px;
  font-size: 18px;
  border: none;
  background: #00fff7;
  color: #111;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.neon-input-box button:hover {
  background: #00c9b7;
}

/* Dark mode */
.chat-core.dark-mode .chat-stream {
  background: rgba(0, 0, 0, 0.6);
}
.message {
  margin: 10px 0;
  font-size: 1rem;
  line-height: 1.4;
}

.welcome {
  text-align: center;
  margin: 20px 0;
  font-style: italic;
  color: #888;
}
.conversation-thread {
  margin: 20px 0 10px;
  padding: 10px;
  background: #111;
  color: #0f0;
  border-left: 5px solid #0f0;
  font-family: monospace;
  font-size: 1.1rem;
}