:root {
  --bg-color: #0f1115;
  --surface-color: #1a1d24;
  --surface-color-light: #242830;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --user-bubble: #3b82f6;
  --assistant-bubble: #1e293b;
  --border-color: #334155;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.app-header {
  background-color: rgba(26, 29, 36, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  z-index: 100;
}

.header-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-title h1 {
  margin: 0.5rem 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.header-title h2 {
  margin: 0.25rem 0;
  font-size: 1.0rem;
  font-weight: 600;
}

.header-title p {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.icon-button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-button:hover {
  color: var(--text-primary);
}

.main-wrapper {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-container::-webkit-scrollbar {
  width: 8px;
}

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

.chat-container::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}

.slideout-panel {
  position: absolute;
  top: 0;
  right: -350px;
  width: 320px;
  height: 100%;
  background-color: var(--surface-color);
  border-left: 1px solid var(--border-color);
  transition: right 0.3s ease;
  z-index: 200;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 15px rgba(0, 0, 0, 0.5);
}

.slideout-panel.open {
  right: 0;
}

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

.panel-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.panel-content {
  padding: 20px;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.panel-content strong {
  color: var(--text-primary);
}

.panel-content ul {
  padding-left: 20px;
}

.disclaimer {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: #64748b;
}

.input-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 20px;
  background-color: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  z-index: 100;
}

.input-wrapper {
  max-width: 800px;
  width: 100%;
  display: flex;
  align-items: end;
  gap: 10px;
}

textarea {
  flex: 1;
  padding: 12px 16px;
  background-color: var(--surface-color-light);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  resize: none;
  max-height: 100px;
  transition: border-color 0.2s;
}

textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

textarea::placeholder {
  color: var(--border-color);
}

button.primary-btn,
button.danger-btn {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

button.primary-btn {
  background-color: var(--accent-color);
  color: white;
}

button.primary-btn:hover {
  background-color: var(--accent-hover);
}

button.danger-btn {
  background-color: var(--danger-color);
  color: white;
}

button.danger-btn:hover {
  background-color: var(--danger-hover);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.message {
  padding: 12px 16px;
  border-radius: 12px;
  max-width: 80%;
  line-height: 1.5;
}

.message.user {
  align-self: flex-end;
  background-color: var(--user-bubble);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.assistant {
  align-self: flex-start;
  background-color: var(--assistant-bubble);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.message p:first-child {
  margin-top: 0;
}

.message p:last-child {
  margin-bottom: 0;
}

.message pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 10px;
  border-radius: 4px;
  overflow-x: auto;
}

.message code {
  font-family: monospace;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 4px;
  border-radius: 3px;
}

.loading-message {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-primary);
  background-color: var(--surface-color);
  border: 1px solid var(--accent-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

@media (max-width: 600px) {
  .message {
    max-width: 90%;
  }

  .slideout-panel {
    width: 100%;
    right: -100%;
  }

  .input-wrapper {
    flex-wrap: wrap;
  }

  input[type="text"] {
    min-width: 100%;
    margin-bottom: 8px;
  }

  button.danger-btn {
    margin-left: auto;
  }
}