@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  color: #e6edf3;
  padding: 20px;
  margin-bottom: 180px;
}

.container {
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  padding: 20px 40px;
  max-width: 1100px;
  width: 100%;
  text-align: left;
  color: #e6edf3;
}

.page-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 0;
  flex-wrap: wrap;
  gap: 15px;
}
.page-header h1 {
  margin-bottom: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-username {
  margin-right: 0;
}

.header-login {
  background-color: #3fb950;
  color: #ffffff;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 4px;
  display: inline-block;
  font-size: 0.95rem;
}
.header-login:hover {
  opacity: 0.9;
}

.header-logout {
  background-color: #da3633;
  color: #ffffff;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 4px;
  display: inline-block;
  font-size: 0.95rem;
}
.header-logout:hover {
  opacity: 0.9;
}

h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.3rem;
  color: #8b949e;
  margin-bottom: 40px;
  line-height: 1.6;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.feature {
  padding: 30px 20px;
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 15px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #e6edf3;
}

.feature-description {
  color: #8b949e;
  font-size: 0.95rem;
  line-height: 1.5;
}

.api-info {
  margin-top: 50px;
  padding: 30px;
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 15px;
  text-align: left;
}
.api-info h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #e6edf3;
}

.api-endpoints {
  list-style: none;
  padding: 0;
}
.api-endpoints li {
  padding: 10px 0;
  border-bottom: 1px solid #30363d;
}
.api-endpoints li:last-child {
  border-bottom: none;
}

.endpoint {
  display: flex;
  align-items: center;
  gap: 15px;
}

.method {
  padding: 5px 12px;
  border-radius: 5px;
  font-weight: 600;
  font-size: 0.85rem;
  min-width: 60px;
  text-align: center;
}
.method.get {
  background: #3fb950;
  color: #ffffff;
}
.method.post {
  background: #58a6ff;
  color: #ffffff;
}

.endpoint-path {
  font-family: "Courier New", monospace;
  color: #e6edf3;
  font-size: 0.95rem;
}

.status-badge {
  display: inline-block;
  padding: 8px 16px;
  background: #3fb950;
  color: #ffffff;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-top: 30px;
}

.chat-layout {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  align-items: stretch;
  min-height: 400px;
}

.conversation-sidebar {
  position: fixed;
  top: 120px;
  left: max(20px, (100vw - 1100px) / 2 + 20px);
  bottom: 200px;
  width: 240px;
  flex-shrink: 0;
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 15px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 10;
}

.new-conversation-btn {
  padding: 10px 14px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.new-conversation-btn:hover {
  opacity: 0.9;
}

.conversation-list-label {
  font-size: 0.8rem;
  color: #8b949e;
  font-weight: 600;
  margin-top: 4px;
}

.conversation-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}

.conversation-list-item {
  padding: 10px 12px;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  font-size: 0.85rem;
  color: #e6edf3;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.conversation-list-item:hover {
  background: rgba(102, 126, 234, 0.1);
  border-color: rgba(102, 126, 234, 0.3);
}
.conversation-list-item.active {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.15);
}
.conversation-list-item .conversation-preview {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.conversation-list-item .conversation-date {
  font-size: 0.75rem;
  color: #8b949e;
  margin-top: 4px;
}

.chat-container {
  flex: 1;
  min-width: 0;
  margin-left: 260px;
  padding: 30px;
  background: #1c2128;
  border: 1px solid #30363d;
  border-radius: 15px;
  text-align: left;
}
.chat-container h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #e6edf3;
  text-align: center;
}

.chat-messages {
  margin-bottom: 20px;
  padding: 15px;
  background: #21262d;
  border-radius: 10px;
  border: 1px solid #30363d;
}

.chat-message {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
  scroll-margin-bottom: 220px;
}
.chat-message:last-child {
  margin-bottom: 0;
}
.chat-message.user {
  align-items: flex-end;
}
.chat-message.user .message-content {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #f0f6fc;
  border-radius: 15px 15px 0 15px;
}
.chat-message.assistant {
  align-items: flex-start;
}
.chat-message.assistant .message-content {
  background: #1c2128;
  color: #e6edf3;
  border: 1px solid #30363d;
  border-radius: 15px 15px 15px 0;
}
.chat-message.assistant .message-content .typing-indicator span {
  background-color: rgba(102, 126, 234, 0.7);
}

.message-content {
  padding: 12px 16px;
  max-width: 70%;
  word-wrap: break-word;
  position: relative;
}
.message-content .code-execution-result-at-end {
  margin-top: 16px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 5px;
  border: 1px solid #30363d;
  font-size: 0.9em;
}
.message-content .code-execution-result-at-end .execution-status {
  margin-bottom: 10px;
  font-weight: 600;
}
.message-content .code-execution-result-at-end .execution-status .status-success {
  color: #3fb950;
}
.message-content .code-execution-result-at-end .execution-status .status-error {
  color: #f85149;
}
.message-content .code-execution-result-at-end .execution-output, .message-content .code-execution-result-at-end .execution-error {
  margin-top: 10px;
}
.message-content .code-execution-result-at-end .execution-output pre, .message-content .code-execution-result-at-end .execution-error pre {
  margin-top: 5px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 3px;
  overflow-x: auto;
  font-size: 0.85em;
}
.message-content .code-execution-result-at-end .execution-error {
  color: #f85149;
}
.message-content .code-execution-result-at-end .execution-files {
  margin-top: 10px;
}
.message-content .code-execution-result-at-end .execution-files ul {
  list-style: none;
  padding-left: 0;
  margin-top: 5px;
}
.message-content .code-execution-result-at-end .execution-files ul li {
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.message-content .code-execution-result-at-end .execution-files ul li .file-download-btn {
  padding: 2px 8px;
  background: rgba(102, 126, 234, 0.35);
  color: #e6edf3;
  border: 1px solid rgba(102, 126, 234, 0.5);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85em;
}
.message-content .code-execution-result-at-end .execution-files ul li .file-download-btn:hover {
  background: rgba(102, 126, 234, 0.5);
}
.message-content .typing-indicator {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
  vertical-align: middle;
}
.message-content .typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  animation: typing 1.4s infinite ease-in-out;
}
.message-content .typing-indicator span:nth-child(1) {
  animation-delay: -0.32s;
}
.message-content .typing-indicator span:nth-child(2) {
  animation-delay: -0.16s;
}
.message-content .typing-indicator span:nth-child(3) {
  animation-delay: 0s;
}
.message-content h1, .message-content h2, .message-content h3 {
  margin: 10px 0;
  font-weight: 600;
}
.message-content h1 {
  font-size: 1.5em;
}
.message-content h2 {
  font-size: 1.3em;
}
.message-content h3 {
  font-size: 1.1em;
}
.message-content ul, .message-content ol {
  margin: 10px 0;
  padding-left: 20px;
}
.message-content li {
  margin: 5px 0;
}
.message-content code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}
.message-content pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px;
  border-radius: 5px;
  overflow-x: auto;
  margin: 10px 0;
}
.message-content pre code {
  background: none;
  padding: 0;
}
.message-content .code-block-container {
  margin: 10px 0;
  border: 1px solid #30363d;
  border-radius: 5px;
  overflow: hidden;
}
.message-content .code-block-container .code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(102, 126, 234, 0.2);
  border-bottom: 1px solid #30363d;
}
.message-content .code-block-container .code-block-header .code-language {
  font-size: 0.85em;
  font-weight: 600;
  color: #e6edf3;
  text-transform: uppercase;
}
.message-content .code-block-container .code-block-header .code-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.message-content .code-block-container .code-block-header .code-toggle-btn {
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #c9d1d9;
  border: 1px solid #484f58;
  border-radius: 4px;
  font-size: 0.85em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.message-content .code-block-container .code-block-header .code-toggle-btn:hover {
  background: rgba(102, 126, 234, 0.25);
  color: #e6edf3;
}
.message-content .code-block-container .code-block-header .code-execute-btn, .message-content .code-block-container .code-block-header .code-download-btn {
  padding: 4px 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-size: 0.85em;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.message-content .code-block-container .code-block-header .code-execute-btn:hover, .message-content .code-block-container .code-block-header .code-download-btn:hover {
  transform: scale(1.05);
  opacity: 0.9;
}
.message-content .code-block-container .code-block-header .code-execute-btn:active, .message-content .code-block-container .code-block-header .code-download-btn:active {
  transform: scale(0.98);
}
.message-content .code-block-container .code-block-header .code-execute-btn {
  background: linear-gradient(135deg, #3fb950 0%, #2ea043 100%);
  color: #ffffff;
}
.message-content .code-block-container .code-streaming-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8em;
  color: #8b949e;
  margin-left: 8px;
}
.message-content .code-block-container .code-streaming-indicator .code-streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #8b949e;
  animation: code-streaming-blink 0.8s step-end infinite;
}
@keyframes code-streaming-blink {
  50% {
    opacity: 0;
  }
}
.message-content .code-block-container .code-block-body {
  border-top: 1px solid #30363d;
  overflow: hidden;
  position: relative;
}
.message-content .code-block-container .code-block-body.code-block-collapsed {
  max-height: 5.5em;
  overflow: hidden;
}
.message-content .code-block-container .code-block-body.code-block-collapsed::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2em;
  background: linear-gradient(to bottom, transparent, #1c2128);
  pointer-events: none;
}
.message-content .code-block-container .code-block-body:not(.code-block-collapsed)::after {
  display: none;
}
.message-content .code-block-container .code-block-body pre {
  margin: 0;
  padding: 12px;
  overflow-x: auto;
  font-size: 0.9em;
  line-height: 1.5;
}
.message-content .code-block-container .code-execution-result {
  margin-top: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 5px;
  border: 1px solid #30363d;
  font-size: 0.9em;
}
.message-content .code-block-container .code-execution-result .execution-status {
  margin-bottom: 10px;
  font-weight: 600;
}
.message-content .code-block-container .code-execution-result .execution-status .status-success {
  color: #3fb950;
}
.message-content .code-block-container .code-execution-result .execution-status .status-error {
  color: #f85149;
}
.message-content .code-block-container .code-execution-result .execution-output, .message-content .code-block-container .code-execution-result .execution-error {
  margin-top: 10px;
}
.message-content .code-block-container .code-execution-result .execution-output pre, .message-content .code-block-container .code-execution-result .execution-error pre {
  margin-top: 5px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 3px;
  overflow-x: auto;
  font-size: 0.85em;
}
.message-content .code-block-container .code-execution-result .execution-error {
  color: #f85149;
}
.message-content .code-block-container .code-execution-result .execution-files {
  margin-top: 10px;
}
.message-content .code-block-container .code-execution-result .execution-files ul {
  list-style: none;
  padding-left: 0;
  margin-top: 5px;
}
.message-content .code-block-container .code-execution-result .execution-files ul li {
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.message-content .code-block-container .code-execution-result .execution-files ul li .file-download-btn {
  padding: 2px 8px;
  background: rgba(102, 126, 234, 0.35);
  color: #e6edf3;
  border: 1px solid rgba(102, 126, 234, 0.5);
  border-radius: 3px;
  font-size: 0.8em;
  cursor: pointer;
}
.message-content .code-block-container .code-execution-result .execution-files ul li .file-download-btn:hover {
  background: rgba(102, 126, 234, 0.5);
}
.message-content .code-block-container pre {
  margin: 0;
  border-radius: 0;
}
.message-content strong {
  font-weight: 600;
}
.message-content em {
  font-style: italic;
}
.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  font-size: 0.9em;
}
.message-content table thead {
  background-color: rgba(102, 126, 234, 0.2);
}
.message-content table thead th {
  padding: 10px 8px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid rgba(102, 126, 234, 0.4);
}
.message-content table thead th:first-child {
  padding-left: 12px;
}
.message-content table thead th:last-child {
  padding-right: 12px;
}
.message-content table tbody tr {
  border-bottom: 1px solid #30363d;
}
.message-content table tbody tr:hover {
  background-color: rgba(102, 126, 234, 0.1);
}
.message-content table tbody tr:last-child {
  border-bottom: none;
}
.message-content table tbody td {
  padding: 8px;
  border-right: 1px solid #30363d;
}
.message-content table tbody td:first-child {
  padding-left: 12px;
}
.message-content table tbody td:last-child {
  padding-right: 12px;
  border-right: none;
}
.message-content {
  line-height: 1.5;
  font-size: 0.95rem;
}

.chat-input-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1c2128;
  border-top: 1px solid #30363d;
  padding: 16px 0 20px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.chat-input-bar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.chat-input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: nowrap;
  min-width: 0;
}
.chat-input-footer .chat-attach-row {
  margin-bottom: 0;
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}
.chat-input-footer .chat-input-hint {
  margin-bottom: 0;
  padding-left: 0;
  flex-shrink: 0;
}

.chat-attach-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.chat-attach-row #chatCsvInput {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.chat-attach-csv-btn {
  padding: 6px 12px;
  font-size: 0.85rem;
  color: #f0f6fc;
  background: #21262d;
  border: 1px solid #484f58;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.chat-attach-csv-btn:hover {
  background: #30363d;
  border-color: #667eea;
}

.chat-csv-filename {
  font-size: 0.85rem;
  color: #8b949e;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-input-container {
  display: flex;
  gap: 10px;
  margin-bottom: 5px;
}

.chat-input-hint {
  font-size: 0.8em;
  color: #8b949e;
  margin-bottom: 10px;
  padding-left: 5px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #30363d;
  border-radius: 15px;
  font-size: 0.95rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #21262d;
  color: #e6edf3;
  outline: none;
  transition: border-color 0.3s ease;
  resize: vertical;
  min-height: 44px;
  max-height: 200px;
  line-height: 1.5;
  overflow-y: auto;
}
.chat-input::placeholder {
  color: #8b949e;
}
.chat-input:focus {
  border-color: #667eea;
}
.chat-input:disabled {
  background: #1c2128;
  opacity: 0.7;
  cursor: not-allowed;
}

.chat-send-button {
  padding: 12px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border: none;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
  line-height: 1.3;
  white-space: nowrap;
}
.chat-send-button .send-button-hint {
  font-size: 0.7em;
  font-weight: 400;
  opacity: 0.95;
  color: rgba(255, 255, 255, 0.95);
  display: block;
  margin-top: 2px;
}
.chat-send-button:hover:not(:disabled) {
  transform: scale(1.05);
}
.chat-send-button:active:not(:disabled) {
  transform: scale(0.98);
}
.chat-send-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  .subtitle {
    font-size: 1.1rem;
  }
  .container {
    padding: 20px;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .chat-layout {
    flex-direction: column;
  }
  .conversation-sidebar {
    position: relative;
    top: auto;
    left: auto;
    bottom: auto;
    width: 100%;
    max-height: 200px;
  }
  .chat-container {
    margin-left: 0;
    padding: 20px;
  }
  .chat-input-bar-inner {
    padding: 0 20px;
  }
  .message-content {
    max-width: 85%;
  }
}

/*# sourceMappingURL=style.css.map */