:root {
  --nb-border: var(--ring, #e5e7eb);
  --nb-bg: var(--bg, #ffffff);
  --nb-panel: var(--panel, #f3f4f6);
  --nb-muted: var(--muted, #6b7280);
  --nb-accent: var(--accent, #dc2626);
  --nb-text: var(--text, #111827);
}

/* Layout */

#app-stage {
  max-width: min(96vw, 1120px);
  margin: 0 auto;
  padding: 12px 16px 140px; /* extra bottom padding to clear footer */
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Toolbar */

#notebook-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-run-group {
  display: flex;
  gap: 6px;
}

.run-all-btn,
.stop-all-btn {
  font-size: 16px;
  line-height: 1;
  padding: 8px 12px;
}

.notebook-title-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--nb-muted);
}

.notebook-title-label input {
  min-width: min(260px, 60vw);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  background: var(--nb-bg);
  color: var(--nb-text);
  font-size: 14px;
}

.notebook-toolbar-label {
  display: flex;
  flex-direction: row;
  gap: 4px;
  font-size: 12px;
  color: var(--nb-muted);
  line-height: 33px;
}

.notebook-tool-label select {
  min-width: 180px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  background: var(--nb-bg);
  color: var(--nb-text);
  font-size: 13px;
}

.toolbar-divider {
  width: 1px;
  align-self: stretch;
  background: var(--nb-border);
}

.toolbar-add-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.toolbar-add-label {
  font-size: 12px;
  color: var(--nb-muted);
}

.toolbar-btn {
  border-radius: 999px;
  border: 1px solid var(--nb-border);
  padding: 6px 12px;
  background: var(--nb-bg);
  cursor: pointer;
  font-size: 13px;
  color: var(--nb-text);
}

.toolbar-btn:hover {
  background: rgba(128, 128, 128, 0.08);
}

/* Cells */

#cells-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 180px; /* ensure last cell clears footer */
}

.cell-add-row {
  display: flex;
  justify-content: center;
  margin: 0;
}

.cell-add-pills {
  display: inline-flex;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #999;
}

.cell-add-pill {
  border: none;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: #78818f99;
  background: rgba(128, 128, 128, 0.06);
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}


.cell-add-pill:hover {
  transform: translateY(-1px);
}

.cell-add-pill.type-markdown:hover {
  background: rgba(37, 99, 235, 0.16);
  color: #1d4ed8;
}

.cell-add-pill.type-prompt:hover {
  background: rgba(22, 163, 74, 0.18);
  color: #15803d;
}

.cell-add-pill.type-variable:hover {
  background: rgba(234, 179, 8, 0.18);
  color: #ca8a04;
}

.cell-add-pill.type-code:hover {
  background: rgba(220, 38, 38, 0.18);
  color: #b91c1c;
}

.model-picker {
  position: relative;
  display: inline-flex;
}

.model-picker-pill {
  min-width: 180px;
  justify-content: center;
  color: var(--nb-text);
  border: 1px solid rgba(128, 128, 128, 0.6);
}

.model-picker-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 10;
  min-width: 220px;
  background: var(--nb-bg);
  border: 1px solid var(--nb-border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  padding: 8px;
}

.model-picker-search {
  width: 100%;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-text);
  margin-bottom: 8px;
}

.model-picker-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.model-picker-item {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--nb-panel);
  color: var(--nb-text);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.model-picker-item:hover {
  background: rgba(148, 163, 184, 0.16);
}

.model-picker-item.selected {
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.12);
}

.cell {
  border-radius: 12px;
  border: 1px solid var(--nb-border);
  background: var(--nb-bg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  border-left-width: 5px;
  border-left-style: solid;
  max-width: 980px;
  min-width: 0;
}

.cell-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.02);
}

.cell-index {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-muted);
}

.cell-type-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(148, 163, 184, 0.08);
  color: var(--nb-muted);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.cell-type-label {
  font-weight: 700;
}

.cell.type-markdown {
  border-left-color: #2563eb;
}
.cell.type-markdown .cell-type-pill {
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(37, 99, 235, 0.12);
}

.cell.type-prompt {
  border-left-color: #16a34a;
}
.cell.type-prompt .cell-type-pill {
  color: #15803d;
  border-color: rgba(22, 163, 74, 0.3);
  background: rgba(22, 163, 74, 0.12);
}

.cell.type-variable {
  border-left-color: #eab308;
}
.cell.type-variable .cell-type-pill {
  color: #ca8a04;
  border-color: rgba(234, 179, 8, 0.4);
  background: rgba(234, 179, 8, 0.16);
}

.cell.type-code {
  border-left-color: #dc2626;
}
.cell.type-code .cell-type-pill {
  color: #b91c1c;
  border-color: rgba(220, 38, 38, 0.4);
  background: rgba(220, 38, 38, 0.14);
}

.cell.stale .cell-header {
  background: rgba(217, 119, 6, 0.12);
}

.cell.is-running .cell-header {
  background: rgba(34, 197, 94, 0.12);
}

.cell.collapsed .cell-body {
  display: none;
}

.cell-type-pill .cell-name-input {
  flex: 1;
  min-width: 80px;
  max-width: 220px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.125);
  padding: 6px 10px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  outline: none;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.04);
}

.cell-type-pill .cell-name-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.cell-type-pill.menu-open {
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.16), 0 0 0 3px rgba(59, 130, 246, 0.14);
}

.cell-type-dropdown {
  border: none;
  background: transparent;
  color: inherit;
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1;
}

.cell-type-dropdown:hover {
  background: rgba(255, 255, 255, 0.15);
}

.cell-type-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: var(--nb-panel);
  border: 1px solid var(--nb-border);
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.18);
  z-index: 5;
  min-width: 160px;
}

.cell-type-menu.open {
  display: flex;
}

.cell-type-option {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  border-radius: 999px;
  padding: 8px 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(148, 163, 184, 0.08);
  color: var(--nb-muted);
  font-size: 12px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.cell-type-option:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.15);
}

.cell-type-option.type-markdown {
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(37, 99, 235, 0.12);
}

.cell-type-option.type-prompt {
  color: #15803d;
  border-color: rgba(22, 163, 74, 0.3);
  background: rgba(22, 163, 74, 0.12);
}

.cell-type-option.type-variable {
  color: #ca8a04;
  border-color: rgba(234, 179, 8, 0.4);
  background: rgba(234, 179, 8, 0.16);
}

.cell-type-option.type-code {
  color: #b91c1c;
  border-color: rgba(220, 38, 38, 0.4);
  background: rgba(220, 38, 38, 0.14);
}

.cell-type-select,
.cell-llm-select {
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  padding: 4px 8px;
  font-size: 12px;
  background: var(--nb-bg);
  color: var(--nb-text);
}

.cell-llm-select {
  max-width: 220px;
}

.cell-status {
  font-size: 11px;
  color: var(--nb-muted);
  margin-left: auto;
}

.cell-status.running {
  color: #16a34a;
}

.cell-status .running-timer {
  margin-left: 6px;
  color: #374151;
  font-weight: 600;
}

.cell-status.error {
  color: #dc2626;
}

.cell-status.stale {
  color: #d97706;
}

.cell-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.cell-action-btn {
  border-radius: 7px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  cursor: pointer;
  padding: 3px 7px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cell-action-btn:hover {
  background: rgba(148, 163, 184, 0.16);
}

.cell-action-btn.run-btn {
  color: #4b5563;
}

.cell-action-btn.run-btn.is-stale {
  color: #16a34a;
  border-color: rgba(22, 163, 74, 0.4);
}

.cell-action-btn.run-btn.is-running {
  opacity: 0.7;
}

.cell-action-btn.stop-btn {
  color: #4b5563;
}

.cell-action-btn.stop-btn.is-running {
  color: #dc2626;
  border-color: rgba(220, 38, 38, 0.6);
}

.cell-action-btn.danger {
  border-color: rgba(220, 38, 38, 0.6);
  color: #dc2626;
}

.cell-action-btn.danger:hover {
  background: rgba(248, 113, 113, 0.16);
}

/* Cell body */

.cell-body {
  padding: 8px 10px;
  display: grid;
  gap: 8px;
}

.cell-subtitle {
  font-size: 12px;
  font-weight: 600;
  color: var(--nb-muted);
  margin: 4px 0 -2px;
}

.cell-system-textarea {
  border-style: dashed;
  background: rgba(148, 163, 184, 0.08);
}

.cell-textarea {
  width: 100%;
  min-height: 0;
  resize: vertical;
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  padding: 8px 10px;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  background: var(--nb-bg);
  color: var(--nb-text);
  caret-color: var(--nb-accent);
}

.cell-help {
  font-size: 11px;
  color: var(--nb-muted);
  display: none;
}

.cell-input-preview {
  border-radius: 8px;
  border: 1px dashed rgba(148, 163, 184, 0.8);
  background: rgba(148, 163, 184, 0.08);
  padding: 8px 10px;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  color: var(--nb-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.template-ref {
  background: rgba(37, 99, 235, 0.08);
  border-radius: 4px;
  padding: 0 3px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.template-ref:hover {
  background: rgba(37, 99, 235, 0.16);
  color: #1d4ed8;
}

.template-preview-empty {
  color: var(--nb-muted);
}

.var-tooltip {
  position: fixed;
  z-index: 1000;
  max-width: min(320px, 70vw);
  background: var(--nb-bg);
  color: var(--nb-text);
  border: 1px solid var(--nb-border);
  border-radius: 8px;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.16);
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.4;
  pointer-events: none;
  display: none;
}

.cell-output {
  margin-top: 6px;
  border-radius: 8px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  background: rgba(226, 232, 240, 0.12);
  padding: 8px 10px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
  position: relative;
  overflow-y: scroll;
}

.cell-output.collapsed {
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 70%, rgba(0, 0, 0, 0));
}

.cell-output.cell-output-markdown {
  font-size: 14px;
  line-height: 1.6;
  white-space: initial;
}

.cell-output-empty {
  opacity: 0.6;
  font-style: italic;
}

.cell-output.stale {
  border: 1px dashed rgba(148, 163, 184, 0.8);
  background: rgba(180, 131, 131, 0.12); /* lighter in light mode, still readable in dark */
}

.cell-run-meta {
  font-size: 11px;
  color: var(--nb-muted);
  margin-top: 6px;
}
.cell-run-meta-error {
  color: #dc2626;
}

.cell-output-json {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  white-space: pre;
}

.cell-output .ref-click {
  cursor: pointer;
  padding: 1px 3px;
  border-radius: 4px;
  transition: background 120ms ease, color 120ms ease;
}

.cell-output .ref-click:hover {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
}

.output-actions {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 4px;
  z-index: 5;
}

.output-action-btn {
  border: none;
  background: rgba(148, 163, 184, 0.18);
  color: var(--nb-muted);
  font-size: 11px;
  padding: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms ease, color 120ms ease;
}

.output-action-btn:hover {
  background: rgba(148, 163, 184, 0.28);
  color: var(--nb-text);
}

.output-expand-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-text);
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 11px;
  line-height: 1;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.output-expand-btn:hover {
  background: rgba(148, 163, 184, 0.16);
}

.llm-log-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 999;
  padding: 20px;
}

.llm-log-panel {
  width: min(900px, 90vw);
  height: min(600px, 85vh);
  background: var(--nb-bg);
  border: 1px solid var(--nb-border);
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.llm-log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--nb-border);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.llm-log-close {
  border: none;
  background: transparent;
  color: var(--nb-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}

.llm-log-close:hover {
  background: rgba(148, 163, 184, 0.16);
}

.llm-log-textarea {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  padding: 12px 14px;
  background: var(--nb-panel);
  color: var(--nb-text);
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  resize: none;
  white-space: pre;
}
.json-key {
  color: #d97706;
}
.json-string {
  color: #a855f7;
}

.json-number {
  color: #06b6d4;
}
.json-boolean {
  color: #f97316;
}

.json-null {
  color: #9ca3af;
}

/* Small icon-like buttons */

.icon-btn {
  border-radius: 6px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  width: 24px;
  height: 24px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  font-size: 13px;
}

.icon-btn:hover {
  background: rgba(148, 163, 184, 0.2);
}

.icon-btn.delete-btn {
  color: #4b5563;
  transition: color 120ms ease;
}

.icon-btn.delete-btn:hover {
  color: #dc2626;
}

.icon-btn.toggle-btn {
  color: #6b7280;
}

.icon-btn.toggle-btn:hover {
  color: var(--nb-text);
}

/* Settings dialog */

dialog#settingsDialog {
  border-radius: 14px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-text);
  max-width: min(96vw, 720px);
  padding: 0;
}

.settings-form {
  display: flex;
  flex-direction: column;
  max-height: min(80vh, 620px);
}

.dialog-header {
  padding: 14px 16px 8px;
  border-bottom: 1px solid var(--nb-border);
}

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

.dialog-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--nb-muted);
}

.dialog-body {
  padding: 12px 16px;
  overflow-y: auto;
  display: grid;
  gap: 12px;
}

.dialog-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--nb-border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Buttons */

.btn {
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  background: var(--nb-bg);
  color: var(--nb-text);
}

.btn-primary {
  background: var(--nb-accent);
  border-color: var(--nb-accent);
  color: #ffffff;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--nb-bg);
}

.settings-section h3 {
  margin: 0 0 4px;
  font-size: 14px;
}

.settings-hint {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--nb-muted);
}

.settings-tips {
  margin: 4px 0 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--nb-muted);
}

/* LLM rows */

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

.llm-row {
  border-radius: 10px;
  border: 1px solid var(--nb-border);
  background: var(--nb-bg);
  padding: 8px 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: center;
}

@media (max-width: 640px) {
  .llm-row {
    grid-template-columns: 1fr;
  }
}

.llm-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
  color: var(--nb-muted);
}

.llm-field input,
.llm-field select {
  border-radius: 8px;
  border: 1px solid var(--nb-border);
  padding: 5px 8px;
  font-size: 12px;
  background: var(--nb-bg);
  color: var(--nb-text);
}

.llm-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
}

/* Small code tag tweaks */


/* Model Parameters */

.model-picker-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.model-params-wrapper {
  position: relative;
  display: inline-flex;
}

.model-params-btn {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.model-params-btn:hover {
  background: rgba(148, 163, 184, 0.2);
  color: var(--nb-text);
}

.model-params-btn.active {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
  border-color: rgba(37, 99, 235, 0.3);
}

.model-params-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 20;
  width: 240px;
  background: var(--nb-bg);
  border: 1px solid var(--nb-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 8px;
}

.model-params-textarea {
  width: 100%;
  min-height: 80px;
  border-radius: 6px;
  border: 1px solid var(--nb-border);
  background: var(--nb-panel);
  color: var(--nb-text);
  padding: 6px 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 11px;
  resize: vertical;
}

.model-params-textarea::placeholder {
  color: var(--nb-muted);
  opacity: 0.6;
}

.cell-autorun-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--nb-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  margin-right: 4px;
  cursor: pointer;
}

.cell-autorun-label input {
  margin: 0;
  cursor: pointer;
}

/* ===== Responsive / Mobile ===== */

@media (max-width: 768px) {
  #app-stage {
    padding: 8px 8px 120px;
  }

  #notebook-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 10px;
  }

  .toolbar-left,
  .toolbar-right {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .toolbar-divider {
    width: 100%;
    height: 1px;
  }

  .notebook-toolbar-label {
    flex-direction: column;
    align-items: stretch;
    line-height: 1.4;
  }

  .notebook-title-label input {
    min-width: 0;
    width: 100%;
  }

  .toolbar-run-group {
    justify-content: flex-start;
  }

  .toolbar-add-group {
    justify-content: flex-start;
  }

  .cell-header {
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px;
  }

  .cell-status {
    width: 100%;
    margin-left: 0;
    margin-top: 4px;
  }

  .cell-actions {
    margin-left: auto;
  }

  .cell-type-pill .cell-name-input {
    min-width: 60px;
    max-width: 140px;
  }

  .cell-llm-select {
    max-width: 100%;
  }

  .cell-body {
    padding: 8px;
  }

  .cell-textarea {
    font-size: 14px;
  }

  .model-picker-pill {
    min-width: 140px;
  }

  .llm-log-panel {
    width: 100%;
    height: 90vh;
    border-radius: 10px;
  }

  dialog#settingsDialog {
    max-width: 100%;
    width: 100%;
    margin: 0;
    border-radius: 0;
    max-height: 100vh;
  }

  .settings-form {
    max-height: 100vh;
  }

  .model-params-panel {
    left: auto;
    right: 0;
  }
}

@media (max-width: 480px) {
  #app-stage {
    padding: 6px 4px 100px;
  }

  #notebook-toolbar {
    padding: 8px;
    border-radius: 8px;
  }

  .cell {
    border-radius: 8px;
  }

  .cell-header {
    padding: 6px;
  }

  .cell-body {
    padding: 6px;
  }

  .cell-action-btn {
    padding: 4px 6px;
    font-size: 11px;
  }

  .cell-type-pill {
    font-size: 10px;
    padding: 0 8px;
  }

  .cell-index {
    font-size: 11px;
    padding: 2px 5px;
  }

  .toolbar-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .cell-add-pill {
    padding: 5px 8px;
    font-size: 11px;
  }
}