:root {
  --navy: #1a2744;
  --gold: #c5a55a;
  --gold-hover: #b8953f;
  --bg: #f1f5f9;
  --border: #e2e8f0;
  --muted: #64748b;
  --muted2: #94a3b8;
  --white: #ffffff;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f97316;
  --info: #3b82f6;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: var(--bg);
  color: #1e293b;
}

a {
  color: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: auto 1fr;
  height: 100vh;
  overflow: hidden;
}

.main-area {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content {
  flex: 1;
  overflow-y: auto;
  margin: 0;
  padding: 24px;
  background: var(--bg);
}

/* Guard against legacy shared.css `main { margin-left:252px; }` bleed-through. */
main.content {
  margin-left: 0 !important;
}

.sidebar {
  width: 240px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: width 0.2s ease, transform 0.25s ease;
}

.sidebar.collapsed {
  width: 56px;
}

.sidebar.collapsed .sidebar-logo,
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .nav-section-title {
  display: none;
}

.sidebar.collapsed .nav-link {
  justify-content: center;
  padding: 8px;
}

.sidebar.mobile-open {
  transform: translateX(0);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
}

.sidebar-overlay.visible {
  display: block;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.sidebar-nav {
  padding: 8px 0;
  flex: 1;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  padding: 8px 16px 4px;
  text-transform: uppercase;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  border-radius: 6px;
  margin: 1px 8px;
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-link.active {
  background: rgba(197, 165, 90, 0.2);
  color: var(--gold);
  font-weight: 600;
  border-left-color: var(--gold);
}

.top-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  min-height: 56px;
}

.page-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
  flex: 1;
}

.budget-badge {
  background: rgba(197, 165, 90, 0.15);
  color: #92631a;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.sync-status {
  background: #e2e8f0;
  color: #475569;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  font-size: 18px;
  color: var(--navy);
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin: 0;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.kpi-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
}

.kpi-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
}

.btn-secondary {
  background: #fff;
  color: var(--navy);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #f8fafc;
}

.btn-link {
  border: none;
  background: transparent;
  color: #92631a;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.btn-link:hover {
  color: #7a5312;
  text-decoration: underline;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-icon {
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  border-radius: 4px;
}

.btn-icon:hover {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.08);
}

.btn-cancel-job {
  border: 1px solid #fecaca;
  background: #fff;
  color: #b91c1c;
  border-radius: 4px;
  font-size: 11px;
  padding: 3px 6px;
  cursor: pointer;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
  color: #1e293b;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(197, 165, 90, 0.15);
}

.form-hint {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

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

.iterate-card-header {
  align-items: flex-start;
  gap: 16px;
}

.iterate-flow-note {
  margin: 4px 0 0;
}

.iterate-primary-row {
  align-items: end;
}

.iterate-primary-actions {
  margin-top: 4px;
  gap: 12px;
  flex-wrap: wrap;
}

.iterate-variant-summary {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f8fafc;
}

.iterate-variant-line {
  font-size: 13px;
  color: #334155;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.iterate-variant-line + .iterate-variant-line {
  margin-top: 6px;
}

.result-card-actions {
  flex-wrap: wrap;
}

.iterate-model-summary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f8fafc;
}

.iterate-inline-label {
  margin-bottom: 2px;
}

.iterate-model-selected {
  color: var(--navy);
  font-weight: 600;
}

.advanced-block {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.advanced-block + .advanced-block {
  margin-top: 12px;
}

.advanced-block > summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 600;
  list-style: none;
}

.advanced-block > summary::-webkit-details-marker {
  display: none;
}

.advanced-panel-body {
  margin-top: 14px;
}

.prompt-preview-textarea {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 12px;
  background: #f8fafc;
}

.book-combobox {
  position: relative;
}

.book-combobox-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  z-index: 30;
}

.book-combobox-empty {
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

.book-combobox-option {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 0;
  background: #fff;
  color: #1e293b;
  cursor: pointer;
  text-align: left;
}

.book-combobox-option + .book-combobox-option {
  border-top: 1px solid #eef2f7;
}

.book-combobox-option:hover,
.book-combobox-option.active {
  background: rgba(197, 165, 90, 0.12);
}

.book-combobox-number {
  min-width: 42px;
  font-weight: 700;
  color: var(--navy);
}

.book-combobox-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.book-combobox-title {
  font-weight: 600;
  color: #0f172a;
}

.book-combobox-meta {
  font-size: 12px;
  color: var(--muted);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  padding: 8px 0;
}

.model-grid .checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  background: #fff;
  transition: border-color 0.15s, background 0.15s;
}

.model-grid .checkbox-item:hover {
  border-color: #888;
  background: #f9f9f9;
}

.model-grid .checkbox-item:has(input:checked) {
  border-color: var(--gold);
  background: rgba(196, 164, 105, 0.1);
}

.model-search-input {
  margin-bottom: 10px;
}

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

.model-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.model-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid #d7e0ec;
  border-radius: 12px;
  background: #fff;
  padding: 12px 12px 10px;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.model-card:hover {
  border-color: #bcc7d9;
  background: #fff;
}

.model-card.selected {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(197, 165, 90, 0.28);
  background: #fff;
}

.model-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.model-card-titlewrap {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
}

.model-card-titlewrap input {
  margin-top: 2px;
}

.model-card-title {
  font-size: 18px;
  line-height: 1.25;
  font-weight: 700;
  color: #1e2b4d;
  letter-spacing: -0.01em;
}

.model-card-id {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 11px;
  line-height: 1.4;
  color: #63779a;
  word-break: break-word;
}

.model-card-desc {
  font-size: 13px;
  line-height: 1.45;
  color: #556a8d;
  min-height: 38px;
}

.model-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-provider {
  background: #e7ecf3;
  color: #5a6f93;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  cursor: pointer;
}

.radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  background: #f8fafc;
}

th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #fafafa;
}

.sort-icon {
  margin-left: 4px;
  color: var(--muted2);
  font-size: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.tag-model {
  background: #eff6ff;
  color: #2563eb;
}

.tag-status {
  background: #f1f5f9;
  color: var(--muted);
}

.tag-pending {
  background: #fef3c7;
  color: #92400e;
}

.tag-failed {
  background: #fee2e2;
  color: #991b1b;
}

.tag-queued {
  background: #e0f2fe;
  color: #075985;
}

.tag-gold {
  background: rgba(197, 165, 90, 0.15);
  color: #92631a;
}

.tag-style {
  background: #f3e8ff;
  color: #6b21a8;
}

.tag-success {
  background: #dcfce7;
  color: #166534;
}

.progress-bar {
  background: var(--border);
  border-radius: 4px;
  height: 6px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-fill.danger {
  background: var(--danger);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.compare-grid {
  display: grid;
  gap: 16px;
}

.visual-qa-card {
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.visual-qa-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.visual-qa-thumb {
  width: 100%;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f8fafc;
}

.result-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.result-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.result-card.selected {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(197, 165, 90, 0.2);
}

.result-card-empty {
  cursor: default;
}

.result-card-empty:hover {
  border-color: var(--border);
  box-shadow: none;
}

.thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  background: #f8fafc;
}

.thumb-front {
  object-position: 100% 50%;
  transform: scale(1.32);
  transform-origin: right center;
}

.thumb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 100%);
}

.card-body {
  padding: 10px;
}

.result-card-prompt-badge {
  display: inline-block;
  margin-top: 8px;
  margin-bottom: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(200, 169, 81, 0.38);
  background: rgba(200, 169, 81, 0.14);
  color: #c8a951;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
}

.result-card-scene-snippet {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.35;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 2.7em;
}

.result-card-cost {
  margin-top: 6px;
}

.result-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.result-card-actions .btn {
  font-size: 0.75rem;
  line-height: 1.2;
  padding: 6px 10px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.save-prompt-btn {
  background: #c8a951;
  color: #0a1628;
  border: 1px solid rgba(10, 22, 40, 0.14);
  font-weight: 600;
}

.save-prompt-btn:hover:not(:disabled) {
  background: #d4b962;
  border-color: #d4b962;
}

.save-prompt-btn.saved,
.save-prompt-btn.saved:disabled {
  background: #2d7d46;
  color: #fff;
  border-color: #2d7d46;
  opacity: 1;
}

.save-prompt-btn:disabled:not(.saved) {
  opacity: 0.55;
  cursor: not-allowed;
}

.card-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.quality-meter {
  margin-top: 6px;
}

.quality-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.quality-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.quality-fill.high {
  background: var(--success);
}

.quality-fill.medium {
  background: var(--warning);
}

.quality-fill.low {
  background: var(--danger);
}

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

.pipeline-summary {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 2px;
}

.pipeline-summary strong {
  color: var(--text);
}

.pipeline-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 1.2fr 2fr auto auto auto auto;
  gap: 8px;
  align-items: center;
}

.pipeline-steps {
  display: flex;
  gap: 6px;
  align-items: center;
}

.pipeline-step {
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}

.pipeline-step.active {
  border-color: var(--gold);
  color: #92631a;
  background: rgba(197, 165, 90, 0.15);
}

.pipeline-step.done {
  border-color: #86efac;
  color: #166534;
  background: #dcfce7;
}

.pipeline-step.error {
  border-color: #fca5a5;
  color: #991b1b;
  background: #fee2e2;
}

.heartbeat-pulse {
  animation: heartbeat 1.1s ease-in-out infinite;
}

@keyframes heartbeat {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  100% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 80;
}

.toast {
  background: var(--navy);
  color: #fff;
  padding: 10px 12px;
  border-radius: 8px;
  min-width: 200px;
  border-left: 4px solid var(--info);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }
.toast.removing { opacity: 0; transform: translateY(6px); }

.modal-overlay,
.view-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal,
.view-modal-inner {
  background: #fff;
  border-radius: 12px;
  width: min(940px, 100%);
  max-height: 92vh;
  overflow: auto;
  border: 1px solid var(--border);
}

.modal-title {
  margin: 0;
  font-size: 18px;
  color: var(--navy);
}

.modal-body {
  padding: 20px;
}

.modal-actions {
  padding: 0 20px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.close-btn {
  border: none;
  background: transparent;
  font-size: 20px;
  cursor: pointer;
  color: var(--muted);
}

.filters-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-chip {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  font-size: 12px;
  padding: 6px 12px;
  cursor: pointer;
}

.filter-chip.active {
  border-color: var(--gold);
  color: #92631a;
  background: rgba(197, 165, 90, 0.12);
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.tab {
  border: none;
  background: transparent;
  padding: 8px 10px;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
  font-weight: 600;
}

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

.settings-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.prompt-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 14px;
}

.book-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
}

.book-thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: #f8fafc;
}

.book-info {
  padding: 10px;
}

.book-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.book-author {
  font-size: 12px;
  color: var(--muted);
}

.activity-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-top: 6px;
  background: var(--success);
}

.activity-dot.failed {
  background: var(--danger);
}

.activity-text {
  font-size: 13px;
  color: #334155;
}

.activity-time {
  font-size: 11px;
  color: var(--muted);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}

.pagination button {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
}

.pagination button.active {
  border-color: var(--gold);
  background: rgba(197, 165, 90, 0.1);
  color: #92631a;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.code-block {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 12px;
}

.code-inline {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 12px;
  padding: 1px 4px;
  border-radius: 4px;
  background: #f1f5f9;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid #e2e8f0;
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.text-muted { color: var(--muted); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.fw-600 { font-weight: 600; }
.w-full { width: 100%; }

@media (max-width: 1024px) {
  .settings-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    width: 240px !important;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .sidebar-header button#sidebarToggle {
    display: none;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .form-row {
    grid-template-columns: 1fr;
  }

  .content {
    padding: 16px;
  }

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

  .iterate-primary-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .iterate-model-summary-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .iterate-variant-line {
    white-space: normal;
  }

  .model-card-grid {
    grid-template-columns: 1fr;
  }
}