:root {
  --bg-root: #080c14;
  --bg-surface: #0f1624;
  --bg-elevated: #162033;
  --bg-card: #1b273d;
  --bg-card-hover: #22314d;
  --border-subtle: #263654;
  --border-highlight: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-cyan: #06b6d4;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  padding: 1px 5px;
  border-radius: 4px;
}

/* Header */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 18px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.5px;
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.brand-subtitle {
  font-size: 11.5px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.version-pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.ws-pill {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.ws-connected {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.ws-connecting {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

/* Mode Switcher */
.mode-switcher {
  display: flex;
  background: var(--bg-root);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 6px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.mode-tag {
  font-size: 9.5px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

/* Environment Toolbar */
.env-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.env-selector-group {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-root);
  padding: 3px 6px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.env-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 5px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  cursor: pointer;
}

.env-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-highlight);
}

.env-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.env-dot-dev { background: var(--accent-cyan); }
.env-dot-qa { background: var(--accent-amber); }
.env-dot-prod { background: var(--accent-emerald); }

.pipeline-arrow {
  color: var(--text-muted);
  font-size: 11px;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  padding: 6px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  background: var(--bg-card-hover);
}

.btn-primary {
  background: var(--accent-emerald);
  border-color: #059669;
  color: #042f2e;
  font-weight: 700;
}

.btn-primary:hover {
  background: #34d399;
}

.btn-accent {
  background: var(--accent-blue);
  border-color: #2563eb;
  color: #fff;
}

.btn-accent:hover {
  background: #60a5fa;
}

.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border-subtle);
}

.btn-warning {
  background: var(--accent-amber);
  border-color: #d97706;
  color: #1e1b4b;
  font-weight: 700;
}

.btn-outline {
  background: transparent;
}

.btn-xs {
  padding: 4px 8px;
  font-size: 11px;
}

.full-width {
  width: 100%;
}

/* Parity Banner */
.parity-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 18px;
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.parity-ok {
  background: rgba(16, 185, 129, 0.1);
  color: #d1fae5;
}

.parity-drift {
  background: rgba(244, 63, 94, 0.18);
  color: #ffe4e6;
}

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

.parity-badge {
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
  letter-spacing: 0.4px;
}

.parity-drift .parity-badge {
  background: rgba(244, 63, 94, 0.35);
  color: #fda4af;
}

.commit-chip, .sha-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(15, 22, 36, 0.7);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* Studio Split Layout */
.studio-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.canvas-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: radial-gradient(circle at 20% 20%, #111a2e 0%, #080c14 70%);
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(15, 22, 36, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.canvas-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-unchanged { background: var(--accent-emerald); }
.dot-modified { background: var(--accent-amber); }
.dot-write { background: var(--accent-blue); }
.dot-readonly { background: var(--accent-rose); }

.canvas-controls {
  display: flex;
  gap: 8px;
}

/* Interactive Canvas Stage */
.canvas-viewport {
  flex: 1;
  overflow: auto;
  position: relative;
  padding: 12px;
}

.canvas-stage {
  position: relative;
  width: 1980px;
  height: 650px;
}

.canvas-edges-svg {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.canvas-clusters-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.cluster-box {
  position: absolute;
  border: 1px dashed rgba(148, 163, 184, 0.25);
  background: rgba(15, 22, 36, 0.45);
  border-radius: 12px;
  padding: 10px 12px;
}

.cluster-title {
  font-size: 11.5px;
  font-weight: 700;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cluster-subtitle {
  font-size: 10.5px;
  color: var(--text-muted);
}

.canvas-nodes-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.canvas-node {
  position: absolute;
  width: 195px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: 10px;
  padding: 9px 11px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.canvas-node:hover {
  transform: translateY(-2px);
  border-color: #60a5fa;
}

.canvas-node.selected {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.canvas-node.diff-modified {
  border-color: var(--accent-amber);
}

.canvas-node.running {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.55);
}

.node-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  margin-bottom: 4px;
}

.node-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.node-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.node-file {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
}

.node-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.mini-badge {
  font-size: 9.5px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.14);
  color: var(--text-secondary);
}

.mini-badge-write {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}

.mini-badge-readonly {
  background: rgba(244, 63, 94, 0.2);
  color: #fda4af;
}

.mini-badge-artifact {
  background: rgba(16, 185, 129, 0.16);
  color: #6ee7b7;
}

.mini-badge-modified {
  background: rgba(245, 158, 11, 0.25);
  color: #fcd34d;
}

/* Bottom Strip */
.bottom-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 16px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  font-size: 11.5px;
}

.handoff-pills-bar, .event-ticker {
  display: flex;
  align-items: center;
  gap: 6px;
}

.strip-label {
  color: var(--text-muted);
  font-weight: 600;
}

.artifact-pill {
  background: var(--bg-elevated);
  color: #93c5fd;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
}

.artifact-pill:hover {
  border-color: var(--accent-blue);
}

/* Right Inspector Drawer */
.inspector-drawer {
  width: 470px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.inspector-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.stage-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  margin-bottom: 4px;
}

.inspector-title {
  font-size: 15px;
  font-weight: 700;
}

.inspector-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.inspector-tabs {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.insp-tab {
  flex: 1;
  background: var(--bg-root);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
}

.insp-tab.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.insp-tab-panel {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hidden {
  display: none !important;
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.token-meter-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 9px 11px;
}

.token-meter-header {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  margin-bottom: 6px;
}

.token-bar-track {
  height: 7px;
  background: var(--bg-root);
  border-radius: 999px;
  overflow: hidden;
}

.token-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-blue));
  transition: width 0.2s ease;
}

.token-breakdown {
  font-size: 10.5px;
  color: var(--text-secondary);
  margin-top: 5px;
}

.field-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.sync-row {
  display: flex;
  gap: 6px;
}

.input-select, .input-text {
  background: var(--bg-root);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
  flex: 1;
}

.editor-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.prompt-textarea {
  width: 100%;
  background: var(--bg-root);
  color: #e2e8f0;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  resize: vertical;
}

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

.diff-box, .panel-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
}

.diff-box-title, .section-heading {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #93c5fd;
}

.section-note {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.diff-pre, .code-pre {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-root);
  padding: 8px;
  border-radius: 6px;
  overflow-x: auto;
  max-height: 220px;
  white-space: pre-wrap;
  color: #cbd5e1;
}

.artifact-pre {
  max-height: 270px;
}

.kv-list, .dep-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dep-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-root);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 11.5px;
}

.lint-box {
  font-size: 11.5px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.lint-issue {
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--bg-root);
  border-left: 3px solid var(--accent-amber);
}

.lint-issue.error { border-left-color: var(--accent-rose); }
.lint-issue.info { border-left-color: var(--accent-blue); }

.artifact-selector-row {
  display: flex;
  gap: 5px;
  margin-bottom: 8px;
}

.artifact-view-btn.active {
  background: var(--accent-blue);
  color: #fff;
}

.events-log {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 200px;
  overflow-y: auto;
}

.event-row {
  font-family: var(--font-mono);
  font-size: 10.5px;
  background: var(--bg-root);
  padding: 5px 8px;
  border-radius: 5px;
  border-left: 3px solid var(--accent-blue);
}

.event-row.DRIFT_DETECTED {
  border-left-color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.12);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 20, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  width: 540px;
  max-width: 92vw;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.modal-header, .modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-footer {
  border-bottom: none;
  border-top: 1px solid var(--border-subtle);
  justify-content: flex-end;
  gap: 8px;
}

.modal-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
}

.commits-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 280px;
  overflow-y: auto;
}

.commit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-root);
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.toast-container {
  position: fixed;
  bottom: 18px;
  right: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  color: var(--text-primary);
  padding: 9px 13px;
  border-radius: 8px;
  font-size: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

.project-select {
  max-width: 155px;
  padding: 3px 7px;
  font-size: 11.5px;
}

.modal-card-wide {
  width: 920px;
  max-width: 95vw;
}

.diff-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.btn-diff-pair.active {
  background: var(--accent-blue);
  color: #fff;
}

.sbs-container {
  max-height: 440px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sbs-file-card {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
}

.sbs-file-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--bg-elevated);
  font-family: var(--font-mono);
  font-size: 11px;
  border-bottom: 1px solid var(--border-subtle);
}

.sbs-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.sbs-table td {
  padding: 2px 6px;
  vertical-align: top;
  white-space: pre-wrap;
  word-break: break-word;
}

.sbs-lineno {
  width: 34px;
  color: var(--text-muted);
  text-align: right;
  user-select: none;
  border-right: 1px solid var(--border-subtle);
}

.sbs-code {
  width: calc(50% - 34px);
}

.sbs-row-insert .sbs-right {
  background: rgba(16, 185, 129, 0.16);
}

.sbs-row-delete .sbs-left {
  background: rgba(244, 63, 94, 0.16);
}

.sbs-row-replace .sbs-left {
  background: rgba(244, 63, 94, 0.14);
}

.sbs-row-replace .sbs-right {
  background: rgba(16, 185, 129, 0.14);
}