lang-agent/frontend/src/styles.css

:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f6f8fb;
  color: #1c2430;
}

#root {
  min-height: 100vh;
}

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.app.full-width {
  grid-template-columns: 1fr;
}

.sidebar {
  border-right: 1px solid #dbe2ea;
  background: #ffffff;
  padding: 16px;
}

.sidebar-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.sidebar-header h2 {
  font-size: 18px;
  margin: 0;
}

button {
  border: 1px solid #c9d4e2;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  padding: 8px 10px;
}

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

.agent-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-item-row {
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr auto;
}

.agent-item {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  text-align: left;
  width: 100%;
}

.agent-item-title {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: space-between;
  width: 100%;
}

.agent-status-pill {
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
}

.agent-status-pill.running {
  background: #dff7e7;
  border: 1px solid #8cd3a1;
  color: #1a6b35;
}

.agent-status-pill.stopped {
  background: #f2f4f7;
  border: 1px solid #d1d8e0;
  color: #4a5565;
}

.agent-item.selected {
  border-color: #4d7ef3;
  background: #edf3ff;
}

.agent-item small {
  color: #5f6f82;
}

.agent-chat-button {
  align-self: stretch;
  min-width: 64px;
}

.content {
  padding: 20px;
}

.content-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.content-header h1 {
  font-size: 24px;
  margin: 0;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tab-button {
  min-width: 120px;
}

.tab-button.active {
  background: #edf3ff;
  border-color: #4d7ef3;
  color: #1a4fc5;
}

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

.status {
  background: #eaf2ff;
  border: 1px solid #bdd3ff;
  border-radius: 8px;
  color: #163f87;
  margin-top: 12px;
  padding: 10px;
}

.launch-credentials {
  background: #fff4df;
  border: 1px solid #f0d5a8;
  border-radius: 8px;
  margin-top: 12px;
  padding: 12px;
}

.launch-credentials h3 {
  margin: 0 0 8px;
}

.launch-credentials > div {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0;
}

.launch-credentials code {
  background: #fff;
  border: 1px solid #f0d5a8;
  border-radius: 4px;
  padding: 2px 6px;
}

.empty-panel {
  margin-top: 30px;
}

.tab-pane {
  margin-top: 12px;
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(250px, 1fr));
  margin-top: 16px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  gap: 6px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  border: 1px solid #c9d4e2;
  border-radius: 8px;
  font-size: 14px;
  padding: 8px;
}

.prompt-section,
.run-info {
  border: 1px solid #dbe2ea;
  border-radius: 10px;
  grid-column: 1 / -1;
  padding: 12px;
}

.prompt-section h3,
.run-info h3 {
  margin-top: 0;
}

.run-info-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.runtime-badge {
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
}

.runtime-badge.running {
  background: #dff7e7;
  border: 1px solid #8cd3a1;
  color: #1a6b35;
}

.runtime-badge.stopped {
  background: #f2f4f7;
  border: 1px solid #d1d8e0;
  color: #4a5565;
}

.graph-arch-section {
  border: 1px solid #dbe2ea;
  border-radius: 10px;
  grid-column: 1 / -1;
  padding: 12px;
}

.graph-arch-section h3 {
  margin-top: 0;
}

.graph-arch-image-container {
  align-items: center;
  display: flex;
  justify-content: center;
  overflow: auto;
}

.graph-arch-image {
  border-radius: 8px;
  border: 1px solid #dbe2ea;
  max-width: 100%;
}

.run-card {
  border: 1px solid #dbe2ea;
  border-radius: 8px;
  margin-top: 8px;
  padding: 10px;
}

.run-card-columns {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(280px, 1fr) minmax(420px, 1.3fr);
}

.run-card-left,
.run-card-right {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.run-card-right {
  border-left: 1px solid #dbe2ea;
  min-width: 0;
  padding-left: 12px;
}

.run-card-right code {
  display: inline-block;
  max-width: 100%;
  overflow-x: auto;
  vertical-align: middle;
  white-space: nowrap;
}

.discussion-section {
  background: #f7fbff;
  border: 1px solid #d7e6f6;
  border-radius: 10px;
  padding: 12px;
}

.discussion-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.discussion-header h3 {
  margin: 0;
}

.discussion-layout {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(260px, 320px) 1fr;
  margin-top: 10px;
}

.discussion-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 65vh;
  overflow-y: auto;
}

.discussion-item {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  width: 100%;
}

.discussion-item.selected {
  background: #edf3ff;
  border-color: #4d7ef3;
}

.discussion-item small {
  color: #687788;
}

.discussion-thread {
  border: 1px solid #d7e6f6;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 65vh;
  overflow-y: auto;
  padding: 10px;
}

.discussion-message {
  background: #fff;
  border: 1px solid #dbe2ea;
  border-radius: 8px;
  padding: 8px;
}

.discussion-message.human {
  border-left: 3px solid #4d7ef3;
}

.discussion-message.ai {
  border-left: 3px solid #26a269;
}

.discussion-message.tool {
  border-left: 3px solid #8e6bd8;
}

.discussion-message-meta {
  align-items: baseline;
  display: flex;
  gap: 8px;
}

.discussion-message pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  margin: 8px 0 0;
  overflow-x: auto;
  white-space: pre;
}

.discussion-message-markdown > :first-child {
  margin-top: 0;
}

.discussion-message-markdown > :last-child {
  margin-bottom: 0;
}

.discussion-message-markdown code {
  background: #f3f5f8;
  border-radius: 4px;
  padding: 1px 4px;
}

.discussion-message-markdown pre code {
  background: transparent;
  padding: 0;
}

.discussion-message-markdown a {
  color: #1a4fc5;
  text-decoration: underline;
}

.discussion-message-markdown p,
.discussion-message-markdown ul,
.discussion-message-markdown ol,
.discussion-message-markdown blockquote,
.discussion-message-markdown table {
  margin: 8px 0;
}

.discussion-message-markdown blockquote {
  border-left: 3px solid #d0d8e2;
  color: #4f5f73;
  margin-left: 0;
  padding-left: 10px;
}

.mcp-config-section {
  background: #f7fbff;
  border: 1px solid #d7e6f6;
  border-radius: 10px;
  padding: 12px;
}

.mcp-config-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.mcp-config-header h3 {
  margin: 0;
}

.mcp-config-editor {
  border: 1px solid #c9d4e2;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  margin-top: 8px;
  padding: 10px;
  resize: vertical;
  width: 100%;
}

.mcp-entry-list {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.mcp-tools-error {
  color: #a33434;
  margin: 6px 0 0 0;
}

.mcp-tools-inline {
  background: #f8fbff;
  border: 1px solid #d7e6f6;
  border-radius: 8px;
  margin: 0 0 10px 0;
  padding: 8px;
}

.mcp-entry-card {
  background: #fff;
  border: 1px solid #d7e6f6;
  border-radius: 10px;
  padding: 10px;
}

.mcp-entry-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.mcp-entry-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(200px, 1fr));
}

.mcp-entry-grid label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  gap: 6px;
}

.mcp-entry-grid input,
.mcp-entry-grid select {
  border: 1px solid #c9d4e2;
  border-radius: 8px;
  font-size: 14px;
  padding: 8px;
}

.mcp-entry-wide {
  grid-column: 1 / -1;
}

.empty {
  color: #687788;
  margin: 6px 0;
}

.chat-modal-overlay {
  align-items: center;
  background: rgba(16, 24, 40, 0.45);
  display: flex;
  inset: 0;
  justify-content: center;
  position: fixed;
  z-index: 20;
}

.chat-modal {
  background: #fff;
  border: 1px solid #d7e6f6;
  border-radius: 12px;
  display: grid;
  gap: 10px;
  max-height: 86vh;
  max-width: 820px;
  padding: 12px;
  width: min(92vw, 820px);
}

.chat-modal-header {
  align-items: center;
  border-bottom: 1px solid #dbe2ea;
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
}

.chat-modal-header small {
  color: #687788;
  display: block;
  margin-top: 2px;
}

.chat-modal-messages {
  background: #f8fbff;
  border: 1px solid #d7e6f6;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 56vh;
  overflow-y: auto;
  padding: 10px;
}

.chat-modal-message {
  background: #fff;
  border: 1px solid #dbe2ea;
  border-radius: 8px;
  padding: 8px;
}

.chat-modal-message.user {
  border-left: 3px solid #4d7ef3;
}

.chat-modal-message.assistant {
  border-left: 3px solid #26a269;
}

.chat-modal-message p {
  margin: 6px 0 0 0;
  white-space: pre-wrap;
}

.chat-modal-input {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
  align-items: start;
}

.chat-modal-input textarea {
  border: 1px solid #c9d4e2;
  border-radius: 8px;
  font-size: 14px;
  padding: 8px;
  resize: vertical;
}

.chat-modal-actions {
  display: flex;
  gap: 8px;
  height: 100%;
}

.chat-modal-actions button {
  height: auto;
  white-space: nowrap;
}

.chat-stop-button {
  background-color: #dc3545;
  color: white;
}

.chat-stop-button:hover {
  background-color: #bb2d3b;
}