:root {
  --bg: #faf5ef;
  --bg-gradient: linear-gradient(165deg, #faf5ef 0%, #f3e8dc 45%, #f8efe4 100%);
  --card: #fffbf7;
  --card-shadow: 0 2px 12px rgba(120, 72, 40, 0.06);
  --border: #e8d4c4;
  --border-focus: #d4a574;
  --text: #3d2c24;
  --text-soft: #5c4638;
  --muted: #8a7262;
  --accent: #c45c26;
  --accent-hover: #a84d1f;
  --accent-soft: #fde8d8;
  --error: #c0392b;
  --user-bg: #fde5d4;
  --user-border: #f0c9a8;
  --bot-bg: #f5ebe0;
  --bot-border: #e6d0bc;
  --input-bg: #fffcf9;
}

* { box-sizing: border-box; }

html {
  height: 100%;
}

body {
  margin: 0;
  font-family: "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  background: var(--bg-gradient);
  color: var(--text);
  line-height: 1.5;
  height: 100%;
  overflow: hidden;
}

.page {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 12px 20px 16px;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden;
}

.header {
  flex-shrink: 0;
}

.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.header-brand {
  min-width: 0;
}

.header-brand h1 {
  margin: 0 0 4px;
}

.lang-switch {
  display: inline-flex;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--card-shadow);
}

.lang-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  font-size: 13px;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-btn:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.lang-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

#setup-panel {
  max-width: 960px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#project-panel.project-panel {
  max-width: 960px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-panel-header {
  flex-shrink: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  z-index: 2;
  overflow: hidden;
}

.project-panel-head {
  margin-bottom: 4px;
  min-height: 36px;
  flex-wrap: nowrap;
}

.project-panel-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.project-panel-head-actions .btn-text {
  transform: none;
  flex-shrink: 0;
}

.project-panel-head-actions .btn-text:hover {
  text-decoration: none;
  color: var(--accent-hover);
}

.project-new-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  height: 32px;
  min-height: 32px;
  max-height: 32px;
  margin: 0;
  padding: 0 12px;
  border: 1px solid var(--border-focus);
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.project-new-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  border-width: 1px;
}

.project-new-btn:active {
  transform: none;
}

.project-panel-hint {
  margin: 0;
}

.project-panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-top: 12px;
}

.header h1 {
  margin: 0 0 4px;
  font-size: 1.75rem;
  color: var(--text);
  font-weight: 600;
}

.subtitle { margin: 0; color: var(--muted); font-size: 0.95rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-top: 20px;
  box-shadow: var(--card-shadow);
}

.hidden { display: none !important; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.span-2 { grid-column: span 2; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px 8px;
  margin: 0;
  background: rgba(255, 252, 248, 0.6);
}

.fieldset legend {
  padding: 0 8px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 12px;
}

input, textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(196, 92, 38, 0.15);
}

input::placeholder, textarea::placeholder {
  color: #b8a090;
}

.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
}

.fieldset-source-db .source-db-mode-hint {
  margin: 0 0 12px;
}

.fieldset-source-db .source-db-account {
  margin-bottom: 0;
}

.fieldset-source-db .source-db-account-hint {
  margin: 0 0 12px;
}

.fieldset-source-db .source-db-list-section {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.source-files-section {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.source-files-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.source-files-label-line {
  position: relative;
  padding-right: 4.5em;
  line-height: 1.5;
}

.source-files-title {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-soft);
}

.source-file-picker {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  padding: 0;
  width: auto;
  white-space: nowrap;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1.5;
}

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

.source-file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
}

.source-file-name {
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-file-meta {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

.source-file-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.source-file-remove {
  flex-shrink: 0;
  color: #c0392b;
}

.source-file-empty.hidden {
  display: none;
}

.fieldset-source-db .source-db-toolbar {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 10px;
  padding: 0 2px 6px;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.source-db-col-action { text-align: center; }

.source-db-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.source-db-row {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 10px;
  align-items: stretch;
}

.source-db-row .source-db-input {
  width: 100%;
  min-width: 0;
  margin: 0;
}

.btn-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-icon:hover {
  background: #fce8e6;
  border-color: #e8b4a8;
  color: var(--error);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: auto;
  margin-top: 0;
  padding: 8px 16px;
  background: transparent;
  color: var(--accent);
  border: 1px dashed var(--border-focus);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-outline:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.actions { margin-top: 8px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.15s, transform 0.1s;
}

.btn.primary {
  background: var(--accent);
  color: #fffaf6;
}

.btn.primary:hover { background: var(--accent-hover); }
.btn.primary:active { transform: scale(0.98); }
.btn.primary:disabled { opacity: 0.55; cursor: not-allowed; }

.btn.ghost {
  background: var(--input-bg);
  color: var(--text-soft);
  border: 1px solid var(--border);
}

.btn.ghost.btn-block {
  width: 100%;
  margin-top: 16px;
}

.btn.ghost:hover {
  background: var(--accent-soft);
  border-color: var(--border-focus);
  color: var(--accent);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
  line-height: 1.25;
  border-radius: 6px;
}

.hint { color: var(--muted); font-size: 0.9rem; }
.hint.small { font-size: 0.8rem; line-height: 1.45; }
.hint strong { color: var(--text-soft); }

.error { color: var(--error); margin-top: 8px; }

.status-bar {
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--accent-soft);
  border-color: #f0d4bc;
}

.status-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.status-bar-text {
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.35;
}

.status-bar-row #reconfigure-btn {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 4px 12px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.status-bar strong { color: var(--accent); }

#main-panel {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 8px;
  overflow: hidden;
}

#main-panel.hidden {
  display: none !important;
}

#main-panel > .status-bar {
  margin-top: 0;
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 10px;
  box-shadow: none;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
  gap: 12px;
  margin-top: 10px;
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.main-grid.main-grid--no-sidebar {
  grid-template-columns: 1fr;
}

.conv-history-sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin-top: 0;
  padding: 12px 12px 14px;
  overflow: hidden;
}

.conv-history-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-shrink: 0;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.conv-history-sidebar-head h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.chat-panel {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 0;
  padding: 14px 18px 16px;
  overflow: hidden;
}

.chat-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.chat-panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-head-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

@keyframes runtime-alert-blink {
  0%,
  100% {
    background-color: rgba(229, 57, 53, 0.1);
    border-color: rgba(229, 57, 53, 0.45);
    box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.25);
    color: #c62828;
  }
  50% {
    background-color: rgba(229, 57, 53, 0.28);
    border-color: #e53935;
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.35), 0 0 14px rgba(229, 57, 53, 0.45);
    color: #b71c1c;
  }
}

@keyframes runtime-alert-dot-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.9;
  }
}

.btn.has-runtime-alert {
  position: relative;
  z-index: 0;
  font-weight: 600;
  animation: runtime-alert-blink 1.1s ease-in-out infinite;
}

.btn.has-runtime-alert::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e53935;
  box-shadow: 0 0 0 2px var(--card, #fff), 0 0 6px rgba(229, 57, 53, 0.8);
  pointer-events: none;
  animation: runtime-alert-dot-pulse 1.1s ease-in-out infinite;
}

.has-runtime-alert-slot {
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  .btn.has-runtime-alert {
    animation: none;
    background-color: rgba(229, 57, 53, 0.15);
    border-color: #e53935;
    color: #c62828;
  }
  .btn.has-runtime-alert::after {
    animation: none;
  }
}

.runtime-error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.msg.runtime-error-notice .msg-body {
  max-width: 100%;
}

.msg.runtime-error-notice pre {
  max-height: 200px;
  overflow: auto;
  font-size: 0.78rem;
}

.chat-view {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.chat-view.hidden {
  display: none !important;
}

.artifacts-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.artifacts-view.hidden {
  display: none !important;
}

.skills-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.skills-view.hidden {
  display: none !important;
}

.skills-hint {
  flex-shrink: 0;
  margin: 0 0 10px;
}

.skills-hint code {
  font-size: 0.85em;
}

.skills-layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 12px;
  overflow: hidden;
}

.skills-list-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
}

.skills-list-head {
  flex-shrink: 0;
  padding: 10px 10px 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.skills-list-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  line-height: 1.2;
}

.skills-origin-filter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 3px;
  border-radius: 8px;
  background: rgba(255, 252, 248, 0.9);
  border: 1px solid var(--border);
}

.skills-origin-tab {
  border: none;
  border-radius: 6px;
  padding: 5px 8px;
  background: transparent;
  color: var(--text-soft);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.skills-origin-tab:hover {
  color: var(--text);
}

.skills-origin-tab.active {
  background: var(--card);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(62, 39, 24, 0.08);
}

.skills-list-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.skills-list-actions.hidden {
  display: none !important;
}

.skills-list-actions .btn,
.skills-upload-label {
  width: 100%;
  margin: 0;
  text-align: center;
  white-space: nowrap;
}

.skills-upload-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.skills-upload-label.is-busy {
  opacity: 0.7;
  pointer-events: none;
}

.file-input-offscreen {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0.01;
}

.skills-detail-head-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.skills-detail-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.skills-detail-head-main {
  min-width: 0;
  flex: 1 1 auto;
}

.skills-detail-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.skills-detail-toolbar.hidden {
  display: none !important;
}

.skills-readonly-hint {
  margin: 6px 0 0;
  color: var(--muted);
}

.skills-origin-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.skills-origin-badge.system {
  background: rgba(120, 120, 120, 0.12);
  color: var(--muted);
}

.skills-origin-badge.custom {
  background: var(--accent-soft);
  color: var(--accent);
}

.skill-author-bar {
  flex-shrink: 0;
  padding: 8px 10px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 252, 248, 0.85);
}

.skill-author-bar.hidden {
  display: none !important;
}

.skill-author-hint {
  margin: 0 0 8px;
}

.skill-author-upload-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.skill-author-file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1 1 auto;
}

.skill-author-file-list li {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-soft);
}

.skills-browser-list {
  list-style: none;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}

.skills-browser-item {
  margin: 0 0 6px;
}

.skills-browser-btn {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 10px;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}

.skills-browser-btn:hover {
  background: var(--accent-soft);
  border-color: var(--border);
}

.skills-browser-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.skills-browser-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.skills-browser-id {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

.skills-browser-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

.skills-detail-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}

.skills-detail-head {
  flex-shrink: 0;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skills-detail-title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.3;
}

.skills-detail-meta {
  margin: 4px 0 0;
  word-break: break-all;
  line-height: 1.4;
}

.skills-detail-tabs {
  display: flex;
  gap: 6px;
  margin-top: 0;
  flex-wrap: wrap;
}

.skills-detail-tabs.hidden {
  display: none;
}

.skills-tab {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 12px;
  background: var(--input-bg);
  color: var(--text-soft);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.skills-tab:hover {
  border-color: var(--border-focus);
  color: var(--text);
}

.skills-tab.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.skills-tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.skills-tab-pane {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.skills-tab-pane.hidden {
  display: none !important;
}

.skills-tools-pane {
  padding: 12px 14px;
}

.skills-files-pane {
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.skills-files-pane .artifacts-layout {
  flex: 1 1 auto;
  min-height: 0;
}

.skills-tool-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skills-tool-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--input-bg);
}

.skills-tool-card-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.skills-tool-card-name {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.skills-tool-card-label {
  font-size: 0.78rem;
  color: var(--accent);
}

.skills-tool-card-desc {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.skills-tool-card-aliases {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.skills-detail-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.skills-skill-preview-wrap {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 16px;
}

.skills-skill-editor-wrap {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 10px 12px 12px;
}

.skills-skill-editor-wrap.hidden {
  display: none !important;
}

.skills-skill-preview-wrap.hidden {
  display: none !important;
}

.skills-skill-editor-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.skills-skill-editor-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.skills-skill-editor {
  flex: 1 1 auto;
  min-height: 160px;
  resize: none;
}

.skills-skill-status {
  flex-shrink: 0;
  margin: 6px 0 0;
}

.project-skills-link {
  display: inline-block;
  margin-top: 4px;
  padding: 0;
}

.system-preview-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.system-preview-view.hidden {
  display: none !important;
}

.system-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.system-preview-toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.system-preview-label {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  line-height: 34px;
  margin: 0;
}

.system-preview-select {
  min-width: 160px;
  height: 34px;
  padding: 0 28px 0 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.88rem;
  line-height: 32px;
  box-sizing: border-box;
}

.system-preview-toolbar-left .btn {
  height: 34px;
  padding: 0 12px;
  font-size: 0.88rem;
  line-height: 32px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.system-preview-toolbar-left .btn.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.system-preview-meta {
  margin: 0;
  text-align: right;
  flex: 1;
  min-width: 120px;
}

.system-preview-error-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 8px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(229, 57, 53, 0.55);
  background: rgba(229, 57, 53, 0.12);
  animation: runtime-alert-blink 1.1s ease-in-out infinite;
}

.system-preview-error-banner.hidden {
  display: none;
}

.system-preview-error-banner-text {
  flex: 1;
  min-width: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: #b71c1c;
  line-height: 1.45;
}

.system-preview-error-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.system-preview-backend-hint {
  margin: 0 0 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--text-soft);
  line-height: 1.45;
}

.system-preview-log-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  background: var(--input-bg);
  overflow: hidden;
}

.system-preview-log-overlay.hidden {
  display: none !important;
}

.system-preview-log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.system-preview-log-title {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.system-preview-log-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.system-preview-log-actions .btn.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.system-preview-log-content {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  padding: 10px 12px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.system-preview-frame-wrap {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.system-preview-frame {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: none;
  background: #fff;
}

.system-preview-frame.hidden {
  display: none;
}

.system-preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  background: var(--input-bg);
}

.system-preview-empty.hidden {
  display: none;
}

.system-preview-empty p {
  margin: 0 0 8px;
  max-width: 420px;
  line-height: 1.5;
}

.artifacts-hint {
  margin: 0 0 8px;
  flex-shrink: 0;
}

.artifacts-hint code {
  font-size: 0.75rem;
  word-break: break-all;
}

.artifacts-layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(160px, 240px) 1fr;
  gap: 12px;
  overflow: hidden;
}

.artifacts-tree-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 10px;
  background: rgba(255, 252, 248, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.card-inner {
  box-shadow: none;
  margin: 0;
}

.artifacts-tree-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  flex-shrink: 0;
}

.artifacts-tree-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.artifacts-tree {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  font-size: 0.82rem;
}

.artifacts-tree ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
}

.artifacts-tree > ul {
  padding-left: 0;
}

.artifacts-tree-children {
  margin-left: 14px;
  padding-left: 0;
  border-left: 1px solid rgba(232, 212, 196, 0.8);
}

.artifacts-tree-children.hidden {
  display: none !important;
}

.artifacts-tree-item {
  margin: 1px 0;
}

.artifacts-tree-dir-row,
.artifacts-tree-file-row {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  border-radius: 6px;
}

.artifacts-tree-dir-row:hover,
.artifacts-tree-file-row:hover {
  background: rgba(253, 232, 216, 0.35);
}

.artifacts-tree-chevron {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.artifacts-tree-chevron:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.artifacts-tree-chevron svg {
  width: 12px;
  height: 12px;
  transition: transform 0.15s ease;
}

.artifacts-tree-chevron.collapsed svg {
  transform: rotate(-90deg);
}

.artifacts-tree-chevron.placeholder {
  visibility: hidden;
  pointer-events: none;
}

.artifacts-tree-dir {
  flex: 1;
  min-width: 0;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--text-soft);
  font-weight: 600;
  padding: 5px 4px;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifacts-tree-file {
  flex: 1;
  min-width: 0;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--text-soft);
  padding: 5px 4px;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifacts-tree-file:hover {
  color: var(--text);
}

.artifacts-tree-file-row.active {
  background: var(--accent-soft);
}

.artifacts-tree-file-row.active .artifacts-tree-file {
  color: var(--accent);
  font-weight: 600;
}

.artifacts-tree-file.not-editable {
  opacity: 0.55;
  font-style: italic;
}

.artifacts-tree-action {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  line-height: 1.2;
  opacity: 0;
  transition: opacity 0.12s, background 0.12s, color 0.12s;
}

.artifacts-tree-dir-row:hover .artifacts-tree-action,
.artifacts-tree-file-row:hover .artifacts-tree-action {
  opacity: 1;
}

.artifacts-tree-action:hover {
  background: var(--input-bg);
  color: var(--accent);
}

.artifacts-tree-delete:hover {
  color: var(--error);
  background: #fdf0ee;
}

.artifacts-editor-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
}

.artifacts-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.artifacts-editor-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.artifacts-view-tabs {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.artifacts-tab {
  border: none;
  background: var(--input-bg);
  color: var(--muted);
  font-size: 0.75rem;
  padding: 5px 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.artifacts-tab:hover:not(:disabled) {
  background: var(--accent-soft);
  color: var(--text-soft);
}

.artifacts-tab.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.artifacts-tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.artifacts-preview-wrap {
  flex: 1 1 auto;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  background: #fff;
  margin: 0;
}

.artifacts-preview-wrap.hidden {
  display: none !important;
}

.artifacts-preview-frame {
  flex: 1 1 auto;
  width: 100%;
  min-height: 280px;
  border: none;
  background: #fff;
}

.artifacts-preview-empty {
  padding: 24px 16px;
  text-align: center;
  margin: 0;
}

.artifacts-editor.hidden {
  display: none !important;
}

.artifacts-file-label {
  font-size: 0.8rem;
  color: var(--text-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.artifacts-editor-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.artifacts-frontmatter {
  flex-shrink: 0;
  margin: 10px 12px 0;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
}

.artifacts-frontmatter.hidden {
  display: none !important;
}

.artifacts-fm-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(253, 232, 216, 0.35);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.artifacts-fm-head:hover {
  background: rgba(253, 232, 216, 0.55);
}

.artifacts-frontmatter.collapsed .artifacts-fm-head {
  border-bottom: none;
  padding: 10px 14px;
}

.artifacts-fm-toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-top: 1px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-soft);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.2s;
}

.artifacts-fm-toggle:hover {
  background: var(--input-bg);
  color: var(--accent);
}

.artifacts-fm-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.artifacts-frontmatter.collapsed .artifacts-fm-toggle svg {
  transform: rotate(-90deg);
}

.artifacts-fm-body {
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: 1200px;
  opacity: 1;
}

.artifacts-frontmatter.collapsed .artifacts-fm-body {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

.artifacts-fm-head-text {
  flex: 1;
  min-width: 0;
}

.artifacts-fm-sub-collapsed {
  display: none;
  margin-top: 2px;
  font-style: italic;
}

.artifacts-frontmatter.collapsed .artifacts-fm-sub:not(.artifacts-fm-sub-collapsed) {
  display: none;
}

.artifacts-frontmatter.collapsed .artifacts-fm-sub-collapsed {
  display: block;
}

.artifacts-fm-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.artifacts-fm-sub {
  margin: 4px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.4;
}

.artifacts-fm-alias {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  max-width: min(100%, 220px);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--input-bg);
}

.artifacts-fm-alias.hidden {
  display: none !important;
}

.artifacts-fm-alias-label {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

.artifacts-fm-alias-value {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifacts-fm-alias-lock {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  color: var(--muted);
  opacity: 0.85;
}

.artifacts-fm-list {
  display: flex;
  flex-direction: column;
}

.artifacts-fm-row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px 16px;
  align-items: start;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(232, 212, 196, 0.65);
}

.artifacts-fm-row:last-child {
  border-bottom: none;
}

.artifacts-fm-row.block {
  grid-template-columns: 1fr;
  gap: 8px;
}

.artifacts-fm-row-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 7px;
}

.artifacts-fm-row.block .artifacts-fm-row-meta {
  padding-top: 0;
  flex-direction: row;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.artifacts-fm-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  line-height: 1.3;
}

.artifacts-fm-key {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.2;
}

.artifacts-fm-row-control {
  min-width: 0;
}

.artifacts-fm-input,
.artifacts-fm-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 11px;
  font: inherit;
  font-size: 0.84rem;
  color: var(--text);
  background: var(--input-bg);
  line-height: 1.45;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.artifacts-fm-input:hover,
.artifacts-fm-textarea:hover {
  border-color: var(--border-focus);
}

.artifacts-fm-input:focus,
.artifacts-fm-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(196, 92, 38, 0.14);
}

.artifacts-fm-textarea {
  min-height: 64px;
  resize: vertical;
}

@media (max-width: 520px) {
  .artifacts-fm-head {
    flex-direction: column;
  }

  .artifacts-fm-alias {
    max-width: 100%;
    width: 100%;
  }

  .artifacts-fm-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .artifacts-fm-row-meta {
    padding-top: 0;
    flex-direction: row;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px 10px;
  }
}

.artifacts-editor {
  flex: 1 1 auto;
  min-height: 160px;
  width: 100%;
  border: none;
  border-top: 1px solid transparent;
  resize: none;
  padding: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  background: transparent;
  color: var(--text);
}

.artifacts-frontmatter:not(.hidden) + .artifacts-editor {
  border-top-color: var(--border);
  margin-top: 4px;
}

.artifacts-editor:focus {
  outline: none;
}

.artifacts-editor:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.artifacts-editor-status {
  margin: 0;
  padding: 6px 12px 10px;
  flex-shrink: 0;
  min-height: 1.2em;
}

.artifacts-editor-status.dirty {
  color: var(--accent);
}

.artifacts-editor-status.saved {
  color: var(--muted);
}

.artifacts-editor-status.error {
  color: var(--error);
}

.conv-history-empty {
  margin: 16px 0 0;
  text-align: center;
  line-height: 1.45;
  flex-shrink: 0;
}

.conv-history-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  list-style: none;
  margin: 0;
  padding: 0;
  -webkit-overflow-scrolling: touch;
}

.conv-history-row {
  display: flex;
  align-items: stretch;
  gap: 6px;
  margin-bottom: 8px;
}

.conv-history-item {
  display: block;
  flex: 1;
  min-width: 0;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  padding: 10px 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.conv-history-delete {
  flex-shrink: 0;
  align-self: stretch;
  width: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.conv-history-delete:hover {
  border-color: #e8b4ad;
  color: var(--error);
  background: #fdf0ee;
}

.conv-history-item:hover {
  border-color: var(--border-focus);
  background: var(--accent-soft);
}

.conv-history-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.conv-history-item-title {
  font-size: 0.84rem;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conv-history-item-meta {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-log {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 4px 12px 0;
  margin-bottom: 0;
  -webkit-overflow-scrolling: touch;
}

.msg {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  word-break: break-word;
  font-size: 0.92rem;
}

.msg.user {
  background: var(--user-bg);
  border: 1px solid var(--user-border);
  margin-left: 24px;
}

.msg.assistant {
  background: var(--bot-bg);
  border: 1px solid var(--bot-border);
  margin-right: 24px;
  white-space: normal;
}

.msg.assistant.is-streaming {
  border-color: var(--border-focus);
}

.assistant-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 10px;
  font-weight: 500;
}

.assistant-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: studio-pulse 1s ease-in-out infinite;
}

@keyframes studio-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1); }
}

.tool-trace {
  margin: 0 0 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 252, 248, 0.9);
  overflow: hidden;
}

.msg.assistant.has-tool-trace:not(.is-streaming) .tool-trace:not([open]) {
  margin-bottom: 4px;
}

.tool-trace summary {
  cursor: pointer;
  padding: 6px 10px;
  font-size: 0.82rem;
  color: var(--muted);
  user-select: none;
  list-style: none;
  line-height: 1.35;
}

.tool-trace summary::-webkit-details-marker {
  display: none;
}

.tool-trace summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.15s;
}

.tool-trace[open] summary::before {
  transform: rotate(90deg);
}

.tool-trace-body {
  margin: 0;
  padding: 0 12px 10px;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 140px;
  overflow-y: auto;
  font-family: inherit;
}

.assistant-answer {
  margin: 0;
  padding: 0;
  word-break: break-word;
  font-size: 0.92rem;
  line-height: 1.55;
}

.markdown-body {
  color: var(--text-soft);
  line-height: 1.6;
  font-size: 0.92rem;
}

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

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

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
  margin: 1em 0 0.5em;
}

.markdown-body h1 { font-size: 1.35rem; }
.markdown-body h2 { font-size: 1.15rem; }
.markdown-body h3 { font-size: 1.02rem; }
.markdown-body h4 { font-size: 0.95rem; }

.markdown-body p {
  margin: 0.55em 0;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0.5em 0;
  padding-left: 1.35em;
}

.markdown-body li {
  margin: 0.2em 0;
}

.markdown-body li > p {
  margin: 0.25em 0;
}

.markdown-body blockquote {
  margin: 0.6em 0;
  padding: 0.2em 0 0.2em 12px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1em 0;
}

.markdown-body a {
  color: var(--accent);
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: rgba(61, 44, 36, 0.08);
  padding: 0.12em 0.38em;
  border-radius: 4px;
}

.markdown-body pre {
  margin: 0.65em 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: #2f2824;
  color: #f5ebe0;
  overflow-x: auto;
  font-size: 0.84rem;
  line-height: 1.45;
}

.markdown-body pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75em 0;
  font-size: 0.88em;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
  vertical-align: top;
}

.markdown-body th {
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 600;
}

.markdown-body tr:nth-child(even) td {
  background: rgba(255, 252, 248, 0.6);
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.markdown-body strong {
  color: var(--text);
  font-weight: 600;
}

.msg.assistant.has-tool-trace .assistant-answer {
  margin-top: 0;
}

.msg.assistant.has-tool-trace .tool-trace:not([open]) + .assistant-answer {
  padding-top: 0;
}

.assistant-answer.hidden {
  display: none;
}

.chat-input-row.is-busy textarea {
  cursor: not-allowed;
  background: #f5f0ea;
}

.msg.system {
  color: var(--muted);
  font-size: 0.85rem;
  background: transparent;
  border: none;
  padding: 4px 0;
}

.chat-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex: 0 0 auto;
  margin-top: 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  background: var(--card);
}

.chat-input-row textarea {
  flex: 1;
  resize: none;
  min-height: 44px;
  max-height: 120px;
}

.chat-input-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.btn-stop {
  border: 1px solid var(--error);
  background: #fdf5f3;
  color: var(--error);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.btn-stop:hover {
  background: #fce8e4;
  border-color: #c0392b;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.panel-head h2 { margin: 0; }

.btn-text {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 6px 8px;
  width: auto;
  margin: 0;
}

.btn-text:hover { text-decoration: underline; }

.project-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 12px;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--input-bg);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.project-card:hover {
  border-color: var(--border-focus);
  box-shadow: 0 4px 14px rgba(120, 72, 40, 0.1);
}

.project-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 4px 14px rgba(120, 72, 40, 0.12);
}

.project-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.project-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.project-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #fffaf6;
  font-weight: 600;
}

.project-meta {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
  margin-bottom: 2px;
}

.project-meta strong { color: var(--text-soft); }

.project-stats { margin-top: 4px; font-size: 0.8rem; }

.project-card-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.project-card-actions .btn.primary.small {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.88rem;
}

.project-card-actions .btn-delete {
  color: #c0392b;
  margin-left: auto;
}

.project-card-actions .btn-delete:hover {
  color: #922b21;
  text-decoration: underline;
}

@media (min-width: 1400px) {
  .page {
    padding-left: 28px;
    padding-right: 28px;
  }

}

@media (max-width: 768px) {
  .page {
    padding: 10px 12px 12px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: span 1;
  }

  .main-grid {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 26vh) minmax(0, 1fr);
  }

  .main-grid.main-grid--no-sidebar {
    grid-template-rows: minmax(0, 1fr);
  }

  .chat-panel {
    padding: 12px 14px 14px;
  }
}