.writing-mode-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.writing-mode-tab {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.38rem 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.writing-mode-tab.is-active,
.writing-mode-tab:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.12);
}

.scaffold-hero {
  margin-bottom: 1rem;
}

.scaffold-hero-compact {
  padding: 0.85rem 1rem;
}

.scaffold-hero-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-top: 0.35rem;
}

.scaffold-hero-compact .scaffold-steps {
  margin-top: 0;
}

.scaffold-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.scaffold-step-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scaffold-step-chip.is-active {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.12);
}

.scaffold-step-chip.is-done {
  color: #d7ffe2;
  border-color: rgba(120, 220, 160, 0.35);
}

.scaffold-stack {
  display: grid;
  gap: 0.65rem;
}

.scaffold-brief-bar,
.scaffold-colleague-bar,
.scaffold-stage-panel {
  display: grid;
  gap: 0.85rem;
}

.scaffold-hmenu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.scaffold-hmenu-label {
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.scaffold-hmenu-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}

.scaffold-hmenu-tab {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scaffold-hmenu-tab.is-active,
.scaffold-hmenu-tab:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.1);
}

.scaffold-hmenu-status {
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.scaffold-hmenu-status.is-error {
  color: #fca5a5;
}

.scaffold-hmenu-status.is-ready {
  color: #86efac;
}

.scaffold-hmenu-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
  min-width: 0;
}

.scaffold-brief-panel {
  display: grid;
  gap: 0.85rem;
}

.scaffold-brief-panel.is-hidden {
  display: none;
}

.scaffold-enrich-banner {
  font-size: 0.78rem;
  color: #a5d8ff;
  border: 1px solid rgba(74, 144, 226, 0.35);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.65rem;
  background: rgba(74, 144, 226, 0.08);
}

.scaffold-brief-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.scaffold-brief-field {
  display: grid;
  gap: 0.35rem;
}

.scaffold-label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.scaffold-kicker {
  color: var(--accent-blue);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scaffold-input,
.scaffold-textarea,
.scaffold-select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  padding: 0.75rem 0.9rem;
  font-family: inherit;
}

.scaffold-textarea {
  min-height: 72px;
  resize: vertical;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.55;
}

.scaffold-textarea.is-tall {
  min-height: 140px;
  max-height: 220px;
}

.scaffold-revision-notes {
  min-height: 64px;
  max-height: 120px;
}

.scaffold-colleague-input {
  min-height: 44px;
  max-height: 120px;
  resize: none;
}

.scaffold-colleague-compose {
  display: flex;
  gap: 0.65rem;
  align-items: flex-end;
}

.scaffold-colleague-compose .scaffold-colleague-input {
  flex: 1;
}

.scaffold-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.scaffold-status {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.scaffold-idea-list {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.scaffold-idea-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.scaffold-idea-card:hover,
.scaffold-idea-card.is-selected {
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.08);
}

.scaffold-idea-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.scaffold-idea-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.scaffold-outline {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.scaffold-outline-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.scaffold-outline-item h4 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.scaffold-outline-item ul {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-dim);
}

.scaffold-stage-body {
  min-height: 80px;
  max-height: 42vh;
  overflow-y: auto;
}

.scaffold-stage-busy {
  font-size: 0.78rem;
  color: #7eb6ff;
  margin-left: 0.5rem;
}

.scaffold-output-head-left {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.scaffold-mark-details {
  margin-top: 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.65rem;
  background: rgba(255, 255, 255, 0.02);
}

.scaffold-mark-details summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.78rem;
  list-style: none;
}

.scaffold-mark-details summary::-webkit-details-marker {
  display: none;
}

.scaffold-revision-row.is-hidden {
  display: none;
}

.scaffold-numbered-wrap {
  margin-top: 0.5rem;
}

.scaffold-numbered {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.scaffold-mark-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.78rem;
}

.scaffold-mark-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.scaffold-mark-mode {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.scaffold-mark-mode.is-mode-drop.is-active {
  color: #fca5a5;
  border-color: rgba(252, 165, 165, 0.55);
  background: rgba(252, 165, 165, 0.12);
}

.scaffold-mark-mode.is-mode-keep.is-active {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.55);
  background: rgba(134, 239, 172, 0.12);
}

.scaffold-mark-mode.is-mode-weak.is-active {
  color: #fcd34d;
  border-color: rgba(252, 211, 77, 0.55);
  background: rgba(252, 211, 77, 0.12);
}

.scaffold-mark-mode.is-active:not(.is-mode-drop):not(.is-mode-keep):not(.is-mode-weak) {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.1);
}

.scaffold-mark-mode:hover {
  color: var(--text-main);
}

.scaffold-mark-hint {
  color: var(--text-dim);
  flex: 1;
  min-width: 12rem;
}

.scaffold-mark-counts {
  display: flex;
  gap: 0.5rem;
}

.scaffold-mark-counts .is-drop {
  color: #fca5a5;
}

.scaffold-mark-counts .is-weak {
  color: #fcd34d;
}

.scaffold-mark-counts .is-keep {
  color: #86efac;
}

.scaffold-mark-btn {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  margin-left: auto;
}

.scaffold-mark-btn:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.45);
}

.scaffold-numbered-body {
  max-height: 28vh;
  overflow-y: auto;
}

.scaffold-line {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.2rem 0.75rem;
  border-left: 3px solid transparent;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.scaffold-line.is-mark-drop {
  background: rgba(252, 165, 165, 0.1);
  border-left-color: #fca5a5;
}

.scaffold-line.is-mark-keep {
  background: rgba(134, 239, 172, 0.1);
  border-left-color: #86efac;
}

.scaffold-line.is-mark-weak {
  background: rgba(252, 211, 77, 0.1);
  border-left-color: #fcd34d;
}

.scaffold-line-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: right;
  user-select: none;
  padding: 0.1rem 0.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm, 4px);
  background: transparent;
  cursor: pointer;
  line-height: 1.4;
}

.scaffold-line-num:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.35);
  background: rgba(74, 144, 226, 0.08);
}

.scaffold-line-text {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.draft-instance-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.draft-instance-tab {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
}

.draft-instance-tab.is-active,
.draft-instance-tab:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.1);
}

.scaffold-revision-row {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.scaffold-model-banner {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-dim);
  font-size: 0.9rem;
}

.scaffold-model-banner.is-ready {
  border-color: rgba(120, 220, 160, 0.35);
  color: #d7ffe2;
}

.scaffold-model-banner.is-error {
  border-color: rgba(252, 165, 165, 0.45);
  color: #fca5a5;
}

.scaffold-hint {
  margin: 0.35rem 0 0.75rem;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.scaffold-loading {
  display: grid;
  gap: 0.45rem;
}

.scaffold-loading-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.scaffold-loading-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #4a90e2, #7eb6ff);
  transition: width 0.35s ease;
}

.scaffold-loading-label {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.scaffold-output-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.scaffold-output-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.scaffold-output-tab {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scaffold-output-tab.is-active,
.scaffold-output-tab:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.55);
  background: rgba(74, 144, 226, 0.1);
}

.colleague-badge {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  border: 1px solid rgba(74, 144, 226, 0.35);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  flex-shrink: 0;
}

.colleague-missing-inline {
  font-size: 0.78rem;
  color: #fcd34d;
}

.colleague-log {
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.22);
  padding: 0.55rem;
  display: grid;
  gap: 0.45rem;
  max-height: 140px;
}

.colleague-log.is-collapsed {
  display: none;
}

.colleague-msg {
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  font-size: 0.88rem;
  line-height: 1.5;
}

.colleague-msg.is-user {
  background: rgba(74, 144, 226, 0.14);
  border: 1px solid rgba(74, 144, 226, 0.25);
  margin-left: 1rem;
}

.colleague-msg.is-colleague {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  margin-right: 0.5rem;
}

.colleague-msg-role {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.colleague-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.colleague-chip {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  font-size: 0.72rem;
  white-space: nowrap;
}

.colleague-chip:hover {
  color: var(--text-main);
  border-color: rgba(74, 144, 226, 0.45);
}

@media (max-width: 767.98px) {
  .scaffold-hmenu-status {
    width: 100%;
    margin-left: 0;
  }

  .scaffold-colleague-compose {
    flex-direction: column;
    align-items: stretch;
  }

  .scaffold-line {
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }
}