:root {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --accent-color: #0d6efd;
  --border-color: #dee2e6;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --ai-message-bg: #f1f5f9;
  --user-message-bg: #e7f5ff;
  --hover-color: #e9ecef;
  --button-hover: #0b5ed7;
  --card-bg: #ffffff;
  --sidebar-width: 280px;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent-color: #3b82f6;
  --border-color: #334155;
  --shadow-color: rgba(0, 0, 0, 0.2);
  --ai-message-bg: #1e293b;
  --user-message-bg: #0f172a;
  --hover-color: #334155;
  --button-hover: #2563eb;
  --card-bg: #1e293b;
}

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

a {
	color: #00a8ff;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

.app-container {
  display: flex;
  height: 100vh;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Sidebar styles */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 20px var(--shadow-color);
  z-index: 10;
  transition: transform 0.3s ease;
}

.app-logo {
  display: flex;
  align-items: center;
  padding: 24px 20px;
  font-weight: 600;
  font-size: 20px;
  color: var(--accent-color);
  border-bottom: 1px solid var(--border-color);
}

.app-logo svg {
  margin-right: 12px;
}

.new-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px 16px;
  padding: 12px 16px;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.new-chat:hover {
  background-color: var(--button-hover);
  transform: translateY(-1px);
}

.new-chat:active {
  transform: translateY(1px);
}

.new-chat svg {
  margin-right: 8px;
}

.history {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.history-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.history-item:hover {
  background-color: var(--hover-color);
  color: var(--text-primary);
}

.history-item.active {
  background-color: var(--hover-color);
  font-weight: 500;
  color: var(--text-primary);
}

.history-item svg {
  margin-right: 10px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  width: 100%;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background-color: var(--hover-color);
  color: var(--text-primary);
}

.theme-toggle svg {
  margin-right: 8px;
}

.dark-icon {
  display: none;
}

[data-theme="dark"] .light-icon {
  display: none;
}

[data-theme="dark"] .dark-icon {
  display: inline;
}

/* Mobile sidebar menu button */
.menu-button {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  background-color: var(--bg-secondary);
  border: none;
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  box-shadow: 0 2px 5px var(--shadow-color);
}

/* Main content styles */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-primary);
  position: relative;
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scroll-behavior: smooth;
}

.welcome-message {
  max-width: 800px;
  margin: 60px auto;
  text-align: center;
  background-color: var(--card-bg);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.welcome-message h1 {
  font-size: 32px;
  margin-bottom: 16px;
  color: var(--accent-color);
  font-weight: 700;
}

.welcome-message p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.example-prompts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.example-prompt {
  padding: 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  transition: all 0.2s ease;
  box-shadow: 0 2px 5px var(--shadow-color);
}

.example-prompt:hover {
  background-color: var(--hover-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.message {
  max-width: 800px;
  margin: 0 auto 24px;
  padding: 20px;
  border-radius: 12px;
  position: relative;
  animation: fadeIn 0.3s ease;
  box-shadow: 0 2px 10px var(--shadow-color);
}

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

.user-message {
  background-color: var(--user-message-bg);
  border: 1px solid var(--border-color);
  align-self: flex-end;
}

.ai-message {
  background-color: var(--ai-message-bg);
  border: 1px solid var(--border-color);
  white-space: pre-wrap;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  margin-right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-color);
  color: white;
  font-weight: bold;
  font-size: 14px;
}

.user-avatar {
  background-color: #3b82f6;
}

.message-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.message-role {
  font-weight: 600;
}

.message-content {
  line-height: 1.7;
  font-size: 15px;
}

.message-content p {
  margin-bottom: 14px;
}

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

.message-content code {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
}

.message-content pre {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 14px 0;
}

.input-container {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: flex-end;
  background-color: var(--bg-secondary);
  position: relative;
  box-shadow: 0 -2px 10px var(--shadow-color);
}

.input-container textarea {
  flex: 1;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  resize: none;
  outline: none;
  max-height: 200px;
  overflow-y: auto;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px var(--shadow-color);
}

.input-container textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.input-actions {
  margin-right: 12px;
}

.upload-button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  transition: all 0.2s ease;
}

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

.send-button {
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px;
  margin-left: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.send-button:hover {
  background-color: var(--button-hover);
  transform: translateY(-1px);
}

.send-button:active {
  transform: translateY(1px);
}

.send-button:disabled {
  background-color: var(--text-secondary);
  cursor: not-allowed;
  transform: none;
}

.typing-indicator {
  display: flex;
  padding: 8px 16px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-secondary);
  margin-right: 4px;
  animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
  animation-delay: 0s;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
  margin-right: 0;
}

@keyframes typing {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.message-image {
  max-width: 100%;
  max-height: 300px;
  margin: 14px 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.loading-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.loading-spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: var(--accent-color);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

pre code {
  display: block;
  background-color: #1a1a27 !important;
  color: #e0e0e0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
  line-height: 1.5;
}

.code-block {
  position: relative;
  margin: 18px 0;
}

.copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, background-color 0.2s;
}

.code-block:hover .copy-button {
  opacity: 1;
}

.copy-button:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.image-preview {
  max-width: 200px;
  max-height: 200px;
  margin-top: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 5px var(--shadow-color);
}

.preview-container {
  display: flex;
  align-items: center;
  margin: 12px 0;
}

.preview-actions {
  margin-left: 12px;
  display: flex;
  flex-direction: column;
}

.preview-actions button {
  margin-bottom: 5px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.preview-actions button:hover {
  background-color: var(--hover-color);
}

.search-result {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-secondary);
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: transform 0.2s ease;
}

.search-result:hover {
  transform: translateY(-2px);
}

.search-result-title {
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--accent-color);
}

.search-result-url {
  color: var(--text-secondary);
  font-size: 14px;
  word-break: break-all;
  margin-bottom: 8px;
}

.search-result-snippet {
  font-size: 14px;
  line-height: 1.5;
}

.search-result-content {
  margin-top: 12px;
  padding: 12px;
  background-color: var(--bg-primary);
  border-radius: 6px;
  border-left: 3px solid var(--accent-color);
  font-size: 14px;
  max-height: 200px;
  overflow-y: auto;
}

.content-loading {
  font-style: italic;
  color: var(--text-secondary);
}

.content-error {
  color: #e74c3c;
  font-style: italic;
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .menu-button {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-content {
    width: 100%;
    padding-top: 60px;
  }
  
  .example-prompts {
    grid-template-columns: 1fr;
  }
  
  .input-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    padding: 12px;
  }
  
  .chat-container {
    padding-bottom: 90px;
    padding: 16px;
  }
  
  .message {
    max-width: 100%;
    padding: 16px;
  }
  
  .welcome-message {
    margin: 20px 16px;
    padding: 20px;
  }
}