* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Courier New', Courier, monospace;
  background: #0a0a0a;
  color: #e0e0e0;
  height: 100vh;
  overflow: hidden;
}

#app {
  width: 100%;
  max-width: 600px;
  height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.view {
  display: none;
  flex: 1;
  align-items: center;
  justify-content: center;
}

.view.active {
  display: flex;
}

.container {
  text-align: center;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.logo {
  font-size: 2.5rem;
  font-weight: bold;
  color: #00ff88;
  letter-spacing: 4px;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  letter-spacing: 1px;
}

h2 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: #00ff88;
  letter-spacing: 1px;
}

.buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.7rem 1.4rem;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

.btn:hover {
  opacity: 0.85;
}

.btn.primary {
  background: #00ff88;
  color: #0a0a0a;
  font-weight: bold;
}

.btn.secondary {
  background: #1a1a1a;
  color: #e0e0e0;
  border: 1px solid #333;
}

.btn.danger {
  background: #cc3333;
  color: #fff;
}

.btn.tiny {
  padding: 0.3rem 0.6rem;
  font-size: 0.7rem;
}

input[type="text"] {
  width: 100%;
  padding: 0.75rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  outline: none;
}

input[type="text"]:focus {
  border-color: #00ff88;
}

.error {
  color: #ff4444;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.hidden {
  display: none;
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: #111;
  border-bottom: 1px solid #222;
}

.token-label {
  flex: 1;
  font-size: 0.75rem;
  color: #888;
}

#chat-token-display {
  color: #00ff88;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: #0d0d0d;
}

.message {
  max-width: 85%;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background: #1a1a1a;
}

.message .label {
  font-size: 0.65rem;
  color: #00ff88;
  margin-bottom: 0.2rem;
  font-weight: bold;
}

.message .text {
  font-size: 0.9rem;
  line-height: 1.45;
  word-wrap: break-word;
  color: #d0d0d0;
}

.system-message {
  text-align: center;
  font-size: 0.7rem;
  color: #555;
  padding: 0.3rem 0;
}

.chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: #111;
  border-top: 1px solid #222;
}

.chat-input-area input {
  flex: 1;
  margin-bottom: 0;
}

.chat-input-area .btn {
  white-space: nowrap;
}

.messages::-webkit-scrollbar {
  width: 4px;
}

.messages::-webkit-scrollbar-track {
  background: transparent;
}

.messages::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 2px;
}