:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --gold: #d4af37;
  --gold-light: #f4e4bc;
  --gold-dark: #b8960c;
  --purple: #6b1f6f;
  --purple-light: #8b2f8f;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b8b;
  --border: #2a2a4a;
  --success: #4ade80;
  --error: #f87171;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

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

/* Welcome Screen */
.welcome-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--purple) 100%);
  z-index: 100;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.welcome-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-content {
  text-align: center;
  animation: fadeInUp 0.8s ease;
}

.crown-icon {
  font-size: 5rem;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 0 20px var(--gold));
}

.welcome-content h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 4px;
}

.welcome-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.start-btn {
  padding: 16px 48px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.start-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
/* Chat Interface */
.chat-interface {
  display: flex;
  flex-direction: column;
  height: 100vh;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.chat-interface.active {
  opacity: 1;
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.ai-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-avatar {
  position: relative;
  font-size: 2.2rem;
}

.status-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  background: var(--success);
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ai-details h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
}

.status-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--bg-card);
  color: var(--gold);
  border-color: var(--gold);
}
/* Chat Container */
.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--bg-primary);
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: messageIn 0.3s ease;
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.message.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.user-message .avatar {
  background: var(--purple);
  border-color: var(--purple-light);
}

.bubble {
  padding: 12px 16px;
  border-radius: 18px;
  line-height: 1.6;
  font-size: 0.95rem;
  max-width: 100%;
}

.ai-message .bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}

.user-message .bubble {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-light) 100%);
  border-bottom-right-radius: 4px;
  color: white;
}

.timestamp {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Welcome Message */
.welcome-message {
  align-self: center;
  max-width: 90%;
}

.welcome-message .bubble {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--gold);
  text-align: center;
  padding: 20px;
}
/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 12px;
  align-items: center;
}

.typing-indicator.hidden {
  display: none;
}

.typing-bubble {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  border-bottom-left-radius: 4px;
}

.dots {
  display: flex;
  gap: 4px;
}

.dots span {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
}

.typing-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Input Area */
.input-area {
  padding: 12px 16px 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 12px;
}

.mic-btn, .send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.mic-btn {
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.mic-btn:hover {
  background: var(--bg-primary);
  color: var(--gold);
}

.mic-btn.recording {
  background: var(--error);
  color: white;
  animation: pulse 1s infinite;
}

.send-btn {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--bg-primary);
  font-size: 1.2rem;
}

.send-btn:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#user-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  padding: 4px;
}

#user-input::placeholder {
  color: var(--text-muted);
}

.input-hint {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Scrollbar */
.chat-container::-webkit-scrollbar {
  width: 6px;
}

.chat-container::-webkit-scrollbar-track {
  background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* Responsive */
@media (max-width: 600px) {
  .welcome-content h1 { font-size: 2rem; }
  .message { max-width: 90%; }
  .top-bar { padding: 10px 14px; }
}