/* Demo Section */
.demo {
  padding: 0 0 80px 0;
  position: relative;
  background: transparent;
}

/* Demo Container - two columns */
.demo-container {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.demo-container::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 163, 127, 0.08) 0%, transparent 70%);
  filter: blur(90px);
  animation: floatDemo 22s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

.demo-container::after {
  content: '';
  position: absolute;
  bottom: -150px;
  right: -150px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(5, 150, 105, 0.06) 0%, transparent 70%);
  filter: blur(95px);
  animation: floatDemo 18s ease-in-out infinite reverse;
  pointer-events: none;
  z-index: -1;
}

@keyframes floatDemo {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(-20px, 30px) scale(1.08);
  }
  66% {
    transform: translate(30px, -20px) scale(0.92);
  }
}

/* === LEFT: Fake ChatGPT === */
.demo-chat {
  flex: 1;
  background: #1a1a1a;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.demo-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.demo-chat-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.demo-chat-logo svg {
  color: var(--primary);
}

.demo-chat-model {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
}

.demo-chat-messages {
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
}

/* Messages */
.demo-message {
  margin-bottom: 20px;
}

.demo-message--user {
  display: flex;
  justify-content: flex-end;
}

.demo-message-bubble {
  background: var(--bg-surface);
  padding: 12px 16px;
  border-radius: 16px;
  max-width: 80%;
  font-size: 14px;
}

.demo-message--assistant {
  display: flex;
  gap: 12px;
}

.demo-message-avatar {
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.demo-message-avatar svg {
  color: white;
}

.demo-message-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
}

.demo-message-content p {
  margin-bottom: 12px;
}

/* Code block */
.demo-code {
  background: #0d0d0d;
  border-radius: 8px;
  margin: 12px 0;
  overflow: hidden;
}

.demo-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #1a1a1a;
  font-size: 12px;
  color: var(--text-muted);
}

.demo-code-copy {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
}

.demo-code-copy:hover {
  color: var(--text-primary);
}

.demo-code pre {
  padding: 16px;
  margin: 0;
  overflow-x: auto;
}

.demo-code code {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  color: var(--text-primary);
}

/* === RIGHT: Extension Popup === */
.demo-extension {
  width: 300px;
  flex-shrink: 0;
}

.demo-popup {
  background: var(--bg-surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.demo-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.demo-popup-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}

.demo-popup-logo svg {
  color: var(--primary);
}

.demo-popup-badge {
  background: linear-gradient(135deg, var(--primary), #0d8a6a);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
}

.demo-popup-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-dark);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.demo-popup-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.demo-popup-usage {
  margin-bottom: 16px;
}

.demo-popup-usage-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 6px;
}

.demo-popup-usage-bar {
  height: 4px;
  background: var(--bg-dark);
  border-radius: 2px;
  overflow: hidden;
}

.demo-popup-usage-fill {
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #22c55e);
  border-radius: 2px;
}

.demo-popup-usage-hint {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  text-align: right;
  margin-top: 4px;
}

.demo-popup-mode {
  margin-bottom: 16px;
}

.demo-popup-mode label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.demo-popup-mode-buttons {
  display: flex;
  gap: 4px;
}

.demo-mode-btn {
  flex: 1;
  padding: 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.demo-mode-btn:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.demo-mode-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.demo-popup-migrate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

.demo-popup-migrate:hover {
  background: var(--primary-hover);
}

.demo-popup-migrate:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.demo-popup-footer {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Spinner for loading state */
.demo-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === OUTPUT SECTION === */
.demo-output {
  margin-top: 32px;
  background: var(--bg-surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  display: none;
}

.demo-output.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

.demo-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.demo-output-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.demo-output-tabs {
  display: flex;
  gap: 4px;
}

.demo-tab {
  padding: 6px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.demo-tab:hover {
  border-color: var(--primary);
}

.demo-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.demo-output-content {
  padding: 20px;
  font-size: 14px;
  line-height: 1.6;
}

.demo-output-content h4 {
  color: var(--primary);
  margin: 16px 0 8px;
  font-size: 14px;
}

.demo-output-content h4:first-child {
  margin-top: 0;
}

.demo-output-content ul {
  margin: 0;
  padding-left: 20px;
}

.demo-output-content li {
  margin-bottom: 4px;
  color: var(--text-secondary);
}

.demo-output-content code {
  background: var(--bg-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 13px;
}

.demo-output-content p {
  color: var(--text-secondary);
}