/* FlowMind — Design system */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

:root {
  /* Paper / ink — warm stone */
  --paper: #FAFAF7;
  --paper-2: #F4F3EE;
  --paper-3: #EDEBE3;
  --line: #E4E1D7;
  --line-2: #D6D2C4;
  --ink: #0C0A09;
  --ink-2: #3A3732;
  --ink-3: #6B6760;
  --ink-4: #9A958B;

  /* Dark operator surfaces */
  --obsidian: #0E0D0B;
  --obsidian-2: #16140F;
  --obsidian-3: #1F1C16;
  --obsidian-line: #2A2620;
  --obsidian-ink: #F5F1E4;
  --obsidian-ink-2: #B8B2A1;
  --obsidian-ink-3: #78736A;

  /* Accent — electric lime */
  --lime: oklch(0.88 0.18 125);
  --lime-deep: oklch(0.78 0.20 128);
  --lime-glow: oklch(0.88 0.18 125 / 0.18);

  /* Node signal colors (low chroma, muted) */
  --node-input: #2A2620;      /* ink */
  --node-llm: oklch(0.78 0.20 128);   /* lime */
  --node-tool: oklch(0.76 0.14 70);   /* amber */
  --node-cond: oklch(0.65 0.14 300);  /* violet */
  --node-out: oklch(0.70 0.11 190);   /* teal */

  /* Status */
  --ok: oklch(0.70 0.14 155);
  --warn: oklch(0.78 0.14 80);
  --err: oklch(0.62 0.18 28);
  --info: oklch(0.66 0.10 240);

  /* Type */
  --sans: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
  --serif: 'Instrument Serif', 'Times New Roman', serif;

  --r-1: 4px;
  --r-2: 6px;
  --r-3: 10px;
  --r-4: 14px;

  --shadow-1: 0 1px 0 rgba(12,10,9,0.04), 0 1px 2px rgba(12,10,9,0.04);
  --shadow-2: 0 1px 0 rgba(12,10,9,0.04), 0 4px 14px rgba(12,10,9,0.06);
  --shadow-3: 0 1px 0 rgba(12,10,9,0.04), 0 10px 30px rgba(12,10,9,0.10);
}

/* Geist via CDN */
@font-face {
  font-family: 'Geist';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-Regular.woff2') format('woff2');
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-Medium.woff2') format('woff2');
  font-weight: 500; font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-SemiBold.woff2') format('woff2');
  font-weight: 600; font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-Bold.woff2') format('woff2');
  font-weight: 700; font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-mono/GeistMono-Regular.woff2') format('woff2');
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-mono/GeistMono-Medium.woff2') format('woff2');
  font-weight: 500; font-display: swap;
}

* { box-sizing: border-box; }
html, body, #root {
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  overflow: hidden;
}
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* ----------- App shell ----------- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 48px 1fr 28px;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main"
    "sidebar statusbar";
  height: 100vh;
  background: var(--paper);
}
.sidebar {
  grid-area: sidebar;
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.topbar {
  grid-area: topbar;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  background: var(--paper);
  z-index: 5;
}
.main {
  grid-area: main;
  overflow: hidden;
  position: relative;
}
.statusbar {
  grid-area: statusbar;
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.01em;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  height: 48px;
}
.logo-mark {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--ink);
  position: relative;
  display: grid; place-items: center;
  box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset;
}
.logo-mark::before {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}
.logo-name {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.logo-name .mind {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  margin-left: 1px;
}
.logo-suffix {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Workspace */
.ws {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.ws-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--r-2);
  background: var(--paper);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 120ms;
}
.ws-pill:hover { border-color: var(--line-2); }
.ws-avatar {
  width: 18px; height: 18px;
  border-radius: 4px;
  background: linear-gradient(135deg, #C7B8F0, #8B7AE8);
  font-size: 10px; color: white;
  display: grid; place-items: center;
  font-weight: 600;
}
.ws-label { font-size: 12px; font-weight: 500; flex: 1; }
.ws-chev { color: var(--ink-4); }

/* Nav */
.nav {
  padding: 8px 8px;
  flex: 1;
  overflow-y: auto;
}
.nav-section {
  padding: 10px 8px 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  display: flex;
  justify-content: space-between;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: var(--r-2);
  color: var(--ink-2);
  cursor: pointer;
  font-size: 12.5px;
  transition: background 120ms;
  user-select: none;
  position: relative;
}
.nav-item:hover { background: var(--paper-3); }
.nav-item.active {
  background: var(--ink);
  color: var(--paper);
}
.nav-item.active .nav-icon { color: var(--lime); }
.nav-icon {
  width: 14px; height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  flex-shrink: 0;
}
.nav-item.active .nav-icon { color: var(--lime); }
.nav-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  background: var(--paper-3);
  padding: 1px 5px;
  border-radius: 3px;
}
.nav-item.active .nav-count {
  background: rgba(255,255,255,0.08);
  color: var(--obsidian-ink-2);
}

/* Sidebar footer */
.sb-foot {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E8D4A0, #C99E5C);
  color: white;
  display: grid; place-items: center;
  font-size: 10.5px;
  font-weight: 600;
}

/* Top bar */
.tb-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
}
.tb-crumbs .sep { color: var(--ink-4); }
.tb-crumbs .leaf { font-weight: 500; }
.tb-crumbs .muted { color: var(--ink-3); }
.tb-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 100px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
}
.tb-status .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
}
.tb-spacer { flex: 1; }
.tb-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--r-2);
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 500;
  transition: border-color 120ms, background 120ms;
}
.tb-btn:hover { border-color: var(--line-2); background: var(--paper-2); }
.tb-btn.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tb-btn.primary:hover { background: var(--ink-2); }
.tb-btn.run {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime-deep);
  box-shadow: 0 0 0 3px var(--lime-glow);
}
.tb-btn.run:hover { background: var(--lime-deep); }
.tb-kbd {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(12,10,9,0.06);
  color: var(--ink-3);
  margin-left: 4px;
}
.tb-btn.primary .tb-kbd { background: rgba(255,255,255,0.12); color: var(--obsidian-ink-2); }

/* Status bar */
.sb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sb-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
}
.sb-item .dot.warn { background: var(--warn); }
.sb-item .dot.err { background: var(--err); }
.sb-item .dot.live {
  background: var(--lime-deep);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.sb-spacer { flex: 1; }

/* ----------- Canvas ----------- */
.canvas-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--paper);
}
.canvas-wrap.drop-active::after {
  content: 'Drop to add node';
  position: absolute;
  inset: 24px;
  border: 2px dashed color-mix(in oklch, var(--ink) 24%, var(--line));
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: rgba(250, 249, 245, 0.72);
  z-index: 3;
  pointer-events: none;
}
.canvas-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line-2) 1px, transparent 1px);
  background-size: 16px 16px;
  background-position: 0 0;
  opacity: 0.9;
}
.canvas-grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
}
.canvas-plain { background-image: none; }

.canvas-inner {
  position: absolute;
  inset: 0;
}

.builder-toolbar {
  position: absolute;
  left: 252px;
  top: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(250, 250, 247, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  z-index: 10;
}

.builder-toolbar-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
}

.builder-toolbar-title strong {
  font-size: 13px;
  font-weight: 600;
}

.builder-toolbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.builder-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.builder-toolbar-button {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
}

.builder-toolbar-button:hover:not(:disabled) { background: var(--paper-2); }
.builder-toolbar-button:disabled { opacity: 0.45; cursor: not-allowed; }
.builder-toolbar-button.danger { color: #9b2f25; }

/* Node palette */
.palette {
  position: absolute;
  left: 14px;
  top: 14px;
  width: 220px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  z-index: 10;
}
.palette-head {
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.palette-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.palette-search {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.palette-search input {
  width: 100%;
  border: none;
  background: transparent;
  outline: none;
  font-size: 12px;
  color: var(--ink);
}
.palette-search input::placeholder { color: var(--ink-4); }
.palette-group {
  padding: 8px 8px;
}
.palette-group + .palette-group { border-top: 1px solid var(--line); }
.palette-group-title {
  padding: 4px 6px 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.palette-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--r-2);
  cursor: grab;
  transition: background 120ms;
  user-select: none;
}
.palette-item:hover { background: var(--paper-2); }
.palette-item:active { cursor: grabbing; }
.palette-chip {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  flex-shrink: 0;
  position: relative;
}
.palette-chip::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
  border-radius: 5px 0 0 5px;
  background: var(--chip-color, var(--ink-3));
}
.palette-name {
  font-size: 12px;
  font-weight: 500;
  flex: 1;
}
.palette-hint {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
}

/* Minimap */
.minimap {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 180px;
  height: 120px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  z-index: 10;
}
.minimap-title {
  position: absolute;
  top: 6px; left: 8px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
}
.minimap-vp {
  position: absolute;
  border: 1px solid var(--ink-2);
  border-radius: 2px;
  background: rgba(12,10,9,0.05);
}

/* Zoom controls */
.zoom {
  position: absolute;
  right: 14px;
  top: 14px;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  z-index: 10;
}
.zoom button {
  width: 28px; height: 28px;
  background: transparent;
  border: none;
  display: grid; place-items: center;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.zoom button:last-child { border-bottom: none; }
.zoom button:hover { background: var(--paper-2); }
.zoom-val {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  text-align: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
}

/* Node */
.node {
  position: absolute;
  min-width: 220px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-1);
  font-size: 12px;
  user-select: none;
  transition: box-shadow 160ms, border-color 160ms, transform 160ms;
  overflow: hidden;
  cursor: grab;
}
.node.selected {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px rgba(12,10,9,0.08), var(--shadow-2);
}
.node.dragging {
  cursor: grabbing;
  box-shadow: 0 24px 50px rgba(12, 10, 9, 0.16);
}
.node.running {
  border-color: var(--lime-deep);
  box-shadow: 0 0 0 3px var(--lime-glow), var(--shadow-2);
}
.node.ran {
  border-color: var(--line-2);
}
.node-bar {
  height: 3px;
  background: var(--node-color, var(--ink-3));
  position: relative;
  overflow: hidden;
}
.node.running .node-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: slide 1.4s linear infinite;
}
@keyframes slide {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
.node-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px 7px;
}
.node-dragger {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  color: var(--ink-4);
  background: var(--paper-2);
  border: 1px solid var(--line);
  flex-shrink: 0;
  cursor: grab;
}
.node-kind {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-2);
}
.node-title {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.node-status {
  margin-left: auto;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-4);
}
.node.ran .node-status { background: var(--ok); }
.node.failed .node-status { background: var(--err); }
.node.running .node-status {
  background: var(--lime-deep);
  box-shadow: 0 0 0 3px var(--lime-glow);
  animation: pulse 1.2s ease-in-out infinite;
}
.node-body {
  padding: 2px 12px 10px;
  color: var(--ink-3);
  font-size: 11.5px;
}
.node-field {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
}
.node-field .k {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  min-width: 46px;
}
.node-field .v {
  color: var(--ink-2);
  font-size: 11.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.node-field .v.mono {
  font-family: var(--mono);
  font-size: 10.5px;
}
.node-foot {
  padding: 7px 12px;
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
}
.node-foot .muted { color: var(--ink-4); }

/* Ports */
.port {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink-3);
  transition: background 120ms, border-color 120ms, transform 120ms;
  z-index: 2;
  cursor: crosshair;
}
.port.in { left: -5px; top: 50%; transform: translateY(-50%); }
.port.out { right: -5px; top: 50%; transform: translateY(-50%); }
.port.out.true { top: 35%; }
.port.out.false { bottom: 25%; top: auto; }
.node.running .port { border-color: var(--lime-deep); background: var(--lime); }
.node.ran .port { border-color: var(--ok); }
.port.connectable { border-color: var(--ink-2); box-shadow: 0 0 0 4px rgba(12, 10, 9, 0.06); }
.port.active { transform: translateY(-50%) scale(1.18); border-color: var(--ink); background: var(--ink); }
.port.out.true.active { transform: scale(1.18); }
.port.out.false.active { transform: scale(1.18); }

/* Edges SVG layer */
.edges {
  position: absolute;
  inset: 0;
  overflow: visible;
}
.edge {
  fill: none;
  stroke: var(--ink-4);
  stroke-width: 1.5;
  pointer-events: none;
}
.edge.active {
  stroke: var(--lime-deep);
  stroke-width: 2;
}
.edge.selected {
  stroke: var(--ink);
  stroke-width: 2.4;
}
.edge-label {
  font-family: var(--mono);
  font-size: 9.5px;
  fill: var(--ink-3);
}
.edge-flow {
  stroke: var(--lime-deep);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 4 6;
  animation: dash 0.8s linear infinite;
}
.edge-preview {
  stroke: var(--ink-2);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 8 6;
  pointer-events: none;
}
.edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 14;
  cursor: pointer;
  pointer-events: stroke;
}
.edge-delete-button { cursor: pointer; }
@keyframes dash {
  to { stroke-dashoffset: -20; }
}

/* Inspector */
.inspector {
  position: absolute;
  right: 14px;
  top: 14px;
  bottom: 148px;
  width: 320px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  z-index: 10;
  overflow: hidden;
}
.insp-head {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}
.insp-head .chip {
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--node-color, var(--ink-3));
}
.insp-head .title {
  font-weight: 600;
  font-size: 13px;
}
.insp-head .kind {
  font-family: var(--mono);
  font-size: 9.5px;
  text-transform: uppercase;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  margin-left: auto;
}
.insp-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  padding: 0 8px;
  gap: 2px;
}
.insp-tab {
  padding: 7px 10px;
  font-size: 11.5px;
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.insp-tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
  font-weight: 500;
}
.insp-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}
.insp-section {
  margin-bottom: 16px;
}
.insp-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}
.insp-input, .insp-textarea, .insp-select {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--paper);
  font-size: 12px;
  color: var(--ink);
  outline: none;
  transition: border-color 120ms;
}
.insp-input:focus, .insp-textarea:focus, .insp-select:focus {
  border-color: var(--ink);
}
.insp-textarea {
  resize: vertical;
  min-height: 92px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
}
.insp-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.insp-chipgroup {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.insp-chip {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--paper);
  font-size: 11px;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 120ms;
}
.insp-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.kv-list { display: flex; flex-direction: column; gap: 4px; }
.kv-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 6px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
}
.kv-row input {
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-2);
  outline: none;
  font-family: var(--mono);
  font-size: 11px;
}
.kv-row .rm { color: var(--ink-4); padding: 2px 6px; background: none; border: none; }
.kv-row .rm:hover { color: var(--err); }

/* Console */
.console {
  position: absolute;
  left: 14px;
  right: 350px;
  bottom: 14px;
  height: 120px;
  background: var(--obsidian);
  color: var(--obsidian-ink);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  z-index: 10;
  overflow: hidden;
}
.console-head {
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--obsidian-line);
  background: var(--obsidian-2);
}
.console-tabs { display: flex; gap: 0; }
.console-tab {
  padding: 2px 10px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--obsidian-ink-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 1px solid transparent;
}
.console-tab.active {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.console-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.7;
}
.log-line { display: flex; gap: 10px; }
.log-time { color: var(--obsidian-ink-3); flex-shrink: 0; }
.log-lvl { width: 38px; flex-shrink: 0; }
.log-lvl.info { color: var(--info); }
.log-lvl.run { color: var(--lime); }
.log-lvl.err { color: var(--err); }
.log-lvl.warn { color: var(--warn); }
.log-msg { color: var(--obsidian-ink-2); }
.log-msg .hl { color: var(--obsidian-ink); }
.log-msg .kafka { color: oklch(0.72 0.12 320); }

/* Event ticker tab */
.event-row { display: flex; gap: 10px; align-items: baseline; }
.event-topic {
  color: oklch(0.72 0.12 320);
  width: 150px;
  flex-shrink: 0;
}

/* ============ Execution Dashboard ============ */
.pane {
  position: absolute;
  inset: 0;
  overflow: auto;
  background: var(--paper);
}
.pane-pad {
  padding: 24px 28px 40px;
  max-width: 1280px;
}
.page-head {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.page-title {
  font-family: var(--sans);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.page-title em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-3);
}
.page-sub {
  color: var(--ink-3);
  font-size: 13px;
  margin-top: 4px;
}
.page-head .spacer { flex: 1; }

/* Stat cards */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  margin-bottom: 24px;
}
.stat {
  background: var(--paper);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.stat-val {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-feature-settings: 'tnum';
}
.stat-val .unit { font-size: 14px; color: var(--ink-3); font-weight: 400; margin-left: 2px; }
.stat-delta {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 2px;
  display: flex;
  gap: 4px;
  align-items: center;
}
.stat-delta.up { color: var(--ok); }
.stat-delta.down { color: var(--err); }
.stat-spark {
  margin-top: 6px;
  height: 24px;
}

/* Filters / table */
.filters {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 120ms;
}
.filter-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.filter-chip .count {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
}
.filter-chip.active .count { color: var(--obsidian-ink-2); }
.search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-2);
  background: var(--paper);
  border: 1px solid var(--line);
}
.search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 12px;
  min-width: 200px;
}

/* Table */
.table {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper);
}
.thead, .trow {
  display: grid;
  grid-template-columns: 20px 1.5fr 1fr 90px 110px 130px 80px 28px;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.thead {
  background: var(--paper-2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.trow {
  cursor: pointer;
  transition: background 120ms;
}
.trow:hover { background: var(--paper-2); }
.trow.selected { background: var(--paper-3); }
.trow:last-child { border-bottom: none; }
.run-name { font-weight: 500; display: flex; flex-direction: column; gap: 2px; }
.run-name .path { font-family: var(--mono); font-size: 10.5px; color: var(--ink-4); }
.run-trigger {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-size: 10.5px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
  width: fit-content;
}
.status-pill .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink-4); }
.status-pill.ok .dot { background: var(--ok); }
.status-pill.running .dot { background: var(--lime-deep); animation: pulse 1.2s infinite; }
.status-pill.failed .dot { background: var(--err); }
.status-pill.warn .dot { background: var(--warn); }
.status-pill.ok { border-color: color-mix(in oklch, var(--ok) 40%, var(--line)); color: var(--ok); }
.status-pill.running { border-color: var(--lime-deep); color: var(--lime-deep); background: var(--lime-glow); }
.status-pill.failed { border-color: color-mix(in oklch, var(--err) 40%, var(--line)); color: var(--err); }
.mono { font-family: var(--mono); font-size: 11px; color: var(--ink-2); font-feature-settings: 'tnum'; }
.dur-bar {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.dur-bar .bar {
  height: 3px;
  background: var(--paper-3);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.dur-bar .bar-fill {
  height: 100%;
  background: var(--ink-3);
  border-radius: 2px;
}
.dur-bar .bar-fill.ok { background: var(--ok); }
.dur-bar .bar-fill.err { background: var(--err); }
.dur-bar .bar-fill.run {
  background: linear-gradient(90deg, var(--lime-deep), var(--lime));
}

/* Execution detail */
.exec {
  display: grid;
  grid-template-columns: 1fr 420px;
  height: 100%;
}
.exec-main {
  overflow-y: auto;
  padding: 22px 28px 40px;
  border-right: 1px solid var(--line);
}
.exec-side {
  background: var(--paper-2);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Timeline */
.timeline {
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper);
  margin-bottom: 18px;
}
.tl-head {
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--paper-2);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tl-ruler {
  flex: 1;
  height: 12px;
  background-image: linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 12px;
  position: relative;
}
.tl-rows {
  padding: 8px 0;
}
.tl-row {
  display: grid;
  grid-template-columns: 190px 1fr 80px;
  gap: 12px;
  align-items: center;
  padding: 6px 16px;
  position: relative;
  cursor: pointer;
  transition: background 120ms;
}
.tl-row:hover { background: var(--paper-2); }
.tl-row.selected { background: var(--paper-3); }
.tl-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.tl-label .tl-chip {
  width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0;
  background: var(--node-color, var(--ink-3));
}
.tl-label .tl-name { font-weight: 500; }
.tl-label .tl-kind {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tl-track {
  position: relative;
  height: 22px;
  background: var(--paper-2);
  border-radius: 3px;
}
.tl-bar {
  position: absolute;
  height: 100%;
  background: var(--ink-3);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--paper);
  overflow: hidden;
  min-width: 3px;
}
.tl-bar.ok { background: var(--ok); }
.tl-bar.err { background: var(--err); }
.tl-bar.run { background: linear-gradient(90deg, var(--lime-deep), var(--lime)); color: var(--ink); }
.tl-bar.warn { background: var(--warn); }
.tl-dur {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  text-align: right;
  font-feature-settings: 'tnum';
}

/* Detail step card */
.step-card {
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  background: var(--paper);
  margin-bottom: 14px;
  overflow: hidden;
}
.step-card-head {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.step-badge {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--paper);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-2);
  flex-shrink: 0;
}
.step-title { font-weight: 600; font-size: 13px; }
.step-meta {
  margin-left: auto;
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  align-items: center;
}
.step-body {
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.panel {
  background: var(--paper-2);
  border-radius: var(--r-2);
  padding: 10px 12px;
}
.panel-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}
.code {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-word;
  font-feature-settings: 'tnum';
}
.code .k { color: oklch(0.55 0.12 280); }
.code .s { color: oklch(0.55 0.12 140); }
.code .n { color: oklch(0.60 0.14 30); }
.code .c { color: var(--ink-4); font-style: italic; }

/* Stream token animation */
.stream {
  min-height: 34px;
}
.stream-tok {
  opacity: 0;
  animation: tok 0.3s ease forwards;
}
@keyframes tok {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cursor {
  display: inline-block;
  width: 6px; height: 12px;
  background: var(--lime-deep);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Tool call pill */
.toolcall {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-2);
  background: var(--paper);
  border: 1px dashed var(--line-2);
  margin-top: 4px;
  font-size: 11.5px;
}
.toolcall .icon {
  color: var(--node-tool);
}
.toolcall .tname {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
  font-weight: 500;
}
.toolcall .targs {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.toolcall .tdur {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-4);
}

/* Side panel (exec side) */
.side-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.side-tab {
  flex: 1;
  padding: 10px;
  font-size: 11.5px;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-4);
  cursor: pointer;
  text-align: center;
  border-bottom: 2px solid transparent;
}
.side-tab.active { color: var(--ink); border-bottom-color: var(--ink); background: var(--paper-2); }

.side-body { padding: 14px 16px; overflow-y: auto; flex: 1; }
.side-section { margin-bottom: 20px; }
.side-section h4 {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 0 0 8px;
}
.meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
}
.meta-k {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.meta-v {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink);
  font-feature-settings: 'tnum';
  margin-top: 1px;
}
.meta-v.big { font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }

/* ============ Tools page ============ */
.tools {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: 100%;
}
.tools-list {
  border-right: 1px solid var(--line);
  overflow-y: auto;
  background: var(--paper);
}
.tools-list-head {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 1;
}
.tool-item {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 120ms;
}
.tool-item:hover { background: var(--paper-2); }
.tool-item.selected { background: var(--paper-3); }
.tool-head-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.tool-icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-2);
  flex-shrink: 0;
}
.tool-name {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}
.tool-kind {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tool-desc {
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.4;
}
.tool-stats {
  display: flex;
  gap: 10px;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
}

.tools-detail {
  overflow-y: auto;
  background: var(--paper);
  padding: 22px 28px;
}
.schema-box {
  background: var(--obsidian);
  color: var(--obsidian-ink);
  border-radius: var(--r-3);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.65;
  overflow-x: auto;
  margin-bottom: 16px;
  max-height: 320px;
}
.schema-box .k { color: oklch(0.74 0.14 280); }
.schema-box .s { color: oklch(0.78 0.14 140); }
.schema-box .n { color: oklch(0.78 0.14 30); }
.schema-box .c { color: var(--obsidian-ink-3); font-style: italic; }

.form-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.form-row { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 10px; }
.form-row label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
}
.form-row input, .form-row select, .form-row textarea {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--paper);
  font-size: 12px;
  outline: none;
}

/* Chat panel (right-dock drawer) */
.chat-drawer {
  position: fixed;
  right: 0;
  top: 48px;
  bottom: 28px;
  width: 400px;
  background: var(--paper);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 24px rgba(12,10,9,0.04);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transform: translateX(100%);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.chat-drawer.open { transform: translateX(0); }
.chat-head {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-head .chat-avatar {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--ink);
  display: grid; place-items: center;
  color: var(--lime);
}
.chat-head .title { font-weight: 600; font-size: 13px; }
.chat-head .title em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--ink-3); }
.chat-head .close {
  margin-left: auto;
  color: var(--ink-3);
  background: transparent;
  border: none;
  padding: 4px;
  border-radius: 4px;
}
.chat-head .close:hover { background: var(--paper-2); }
.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg { display: flex; gap: 10px; }
.msg .m-avatar {
  width: 22px; height: 22px;
  border-radius: 5px;
  flex-shrink: 0;
  display: grid; place-items: center;
  font-size: 10px;
  font-weight: 600;
}
.msg.user .m-avatar { background: var(--ink); color: var(--paper); }
.msg.assistant .m-avatar { background: var(--lime); color: var(--ink); }
.msg .m-body { flex: 1; font-size: 12.5px; line-height: 1.55; color: var(--ink-2); }
.msg .m-body p { margin: 0 0 6px; }
.reasoning {
  border-left: 2px solid var(--line-2);
  padding: 4px 10px;
  margin: 6px 0;
  color: var(--ink-3);
  font-size: 11.5px;
  font-style: italic;
  background: var(--paper-2);
  border-radius: 0 4px 4px 0;
}
.chat-tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 100px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  margin: 3px 3px 3px 0;
}
.chat-tool .tdot { width: 6px; height: 6px; border-radius: 50%; background: var(--node-tool); }
.chat-foot {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}
.chat-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: 8px 10px;
  background: var(--paper);
  transition: border-color 120ms;
}
.chat-input-wrap:focus-within { border-color: var(--ink); }
.chat-input-wrap textarea {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  resize: none;
  font-size: 12.5px;
  min-height: 18px;
  max-height: 100px;
  font-family: inherit;
}
.chat-send {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--lime);
  border: none;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.chat-send:disabled { background: var(--paper-3); color: var(--ink-4); }
.sugg-wrap {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.sugg {
  padding: 4px 9px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  font-size: 11px;
  color: var(--ink-2);
  cursor: pointer;
}
.sugg:hover { border-color: var(--ink-3); }

/* Metrics / charts */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.card {
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  background: var(--paper);
  padding: 14px 16px;
  overflow: hidden;
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}
.card-title { font-weight: 600; font-size: 13px; }
.card-sub { font-family: var(--mono); font-size: 10px; color: var(--ink-4); letter-spacing: 0.06em; text-transform: uppercase; }

/* Versions */
.ver-row {
  display: grid;
  grid-template-columns: 28px 70px 1fr 110px 110px 28px;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.ver-row:last-child { border-bottom: none; }
.ver-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
  width: fit-content;
}
.ver-tag.current { background: var(--lime); border-color: var(--lime-deep); }
.ver-msg { color: var(--ink-2); }
.ver-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-4); }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--line-2); }

.obsidian ::-webkit-scrollbar-thumb { background: var(--obsidian-line); border-color: var(--obsidian-2); }

/* Node action hover */
/* ── Node ⋮ menu ─────────────────────── */
.node-menu-btn {
  position: absolute;
  top: 5px; right: 5px;
  width: 22px; height: 22px;
  border-radius: 4px;
  border: none;
  background: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  color: var(--ink-3);
  z-index: 3;
  padding: 0;
}
.node:hover .node-menu-btn,
.node.selected .node-menu-btn { display: flex; }
.node-menu-btn:hover { background: var(--paper-2); color: var(--ink); }
.node-dropdown {
  position: fixed;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.14);
  z-index: 9999;
  min-width: 158px;
  padding: 4px 0;
  font-size: 13px;
}
.node-dropdown-item {
  padding: 7px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}
.node-dropdown-item:hover { background: var(--paper-2); }
.node-dropdown-item.danger { color: #c0392b; }
.node-dropdown-item.danger:hover { background: rgba(192,57,43,0.08); }
.node-dropdown-kbd { margin-left: auto; opacity: 0.35; font-family: var(--mono); font-size: 11px; }
.node-dropdown-sep { height: 1px; background: var(--line); margin: 3px 0; }

/* ── Modals ──────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(12,10,9,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 32px;
  width: min(480px, 90vw);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(12,10,9,0.18);
}
.modal-box.wide { width: min(580px, 94vw); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-title { font-size: 17px; font-weight: 600; margin: 0; }
.modal-close { background: none; border: none; cursor: pointer; font-size: 20px; line-height: 1; color: var(--ink-3); padding: 0 4px; }
.modal-form { display: flex; flex-direction: column; gap: 14px; }
.modal-field { display: flex; flex-direction: column; gap: 5px; }
.modal-field label { font-size: 11px; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.modal-field input,
.modal-field textarea,
.modal-field select {
  padding: 8px 12px;
  border-radius: 7px;
  border: 1px solid var(--line);
  font-size: 14px;
  background: var(--paper);
  outline: none;
  font-family: inherit;
  color: var(--ink);
}
.modal-field input:focus,
.modal-field textarea:focus,
.modal-field select:focus { border-color: var(--ink-2); }
.modal-field.mono input,
.modal-field.mono textarea { font-family: var(--mono); font-size: 12px; }
.modal-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-error { margin: 0; font-size: 13px; color: #c0392b; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: 7px; cursor: pointer; font-size: 14px; font-family: inherit; }
.btn-ghost { background: none; border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--paper-2); }
.btn-primary { background: oklch(0.88 0.18 125); border: none; font-weight: 600; color: var(--ink); }
.btn-primary:hover:not(:disabled) { filter: brightness(0.95); }
.btn-primary:disabled, .btn-ghost:disabled { opacity: 0.5; cursor: default; }

/* ── Empty state ─────────────────────── */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; height: 100%; padding: 40px; text-align: center; }
.empty-state-icon { font-size: 36px; opacity: 0.12; }
.empty-state-title { font-size: 18px; font-weight: 600; }
.empty-state-sub { font-size: 13px; color: var(--ink-3); }

/* Condition branches label */
.branch-label {
  position: absolute;
  right: -22px;
  font-family: var(--mono);
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-3);
  pointer-events: none;
}
.branch-label.t { top: 30%; transform: translateY(-50%); }
.branch-label.f { bottom: 18%; }

/* Demo-switcher */
.demo-switch {
  display: inline-flex;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  overflow: hidden;
}
.demo-switch button {
  padding: 4px 10px;
  border: none;
  background: transparent;
  font-size: 11.5px;
  color: var(--ink-3);
  border-right: 1px solid var(--line);
}
.demo-switch button:last-child { border-right: none; }
.demo-switch button.active { background: var(--ink); color: var(--paper); }

/* Tweaks specific overrides */
.app.dense .nav-item { padding: 4px 8px; font-size: 12px; }
.app.dense .node { font-size: 11.5px; }
.app.spacious .pane-pad { padding: 32px 40px; }

/* Subtle selectors-agnostic hide anim */
.fade-in { animation: fade 240ms ease; }
@keyframes fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* small chip */
.mini-chip {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper-2);
}

/* for paths with hover highlight */
.trow .row-kebab {
  color: var(--ink-4);
  padding: 2px 4px;
  border: none;
  background: transparent;
  border-radius: 3px;
  opacity: 0;
}
.trow:hover .row-kebab { opacity: 1; }
.trow .row-kebab:hover { background: var(--paper-3); color: var(--ink-2); }

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(184, 233, 92, 0.18), transparent 28%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
}

.auth-card {
  width: min(460px, 100%);
  background: rgba(250, 250, 247, 0.98);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-3);
  padding: 26px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.auth-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.auth-sub {
  color: var(--ink-3);
  font-size: 13px;
  margin-bottom: 18px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 13px;
  outline: none;
}

.auth-input:focus {
  border-color: var(--ink);
}

.auth-submit {
  margin-top: 6px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  border-radius: 10px;
  padding: 11px 14px;
  font-weight: 600;
}

.auth-submit:disabled {
  opacity: 0.7;
}

.auth-switch {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.auth-switch button {
  margin-left: 6px;
  background: transparent;
  border: none;
  color: var(--ink);
  font-weight: 600;
}

.auth-error {
  color: var(--err);
  background: color-mix(in oklch, var(--err) 10%, var(--paper));
  border: 1px solid color-mix(in oklch, var(--err) 30%, var(--line));
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
}

.loading-shell {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 20%, rgba(184, 233, 92, 0.12), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(12, 10, 9, 0.08), transparent 18%),
    linear-gradient(180deg, #f9f8f3 0%, #f3f1e8 100%);
}

.loading-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(14px);
  opacity: 0.7;
}

.loading-orb-a {
  width: 240px;
  height: 240px;
  top: -60px;
  right: 8%;
  background: rgba(184, 233, 92, 0.18);
}

.loading-orb-b {
  width: 180px;
  height: 180px;
  bottom: -30px;
  left: 10%;
  background: rgba(12, 10, 9, 0.08);
}

.loading-card {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  border-radius: 28px;
  padding: 28px;
  background: rgba(250, 250, 247, 0.86);
  border: 1px solid rgba(12, 10, 9, 0.08);
  box-shadow: 0 32px 90px rgba(35, 31, 21, 0.14);
  backdrop-filter: blur(10px);
}

.loading-title {
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.loading-sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
  max-width: 420px;
}

.loading-rails {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.loading-rail {
  height: 10px;
  border-radius: 999px;
  background: rgba(12, 10, 9, 0.08);
  overflow: hidden;
}

.loading-rail span {
  display: block;
  height: 100%;
  width: 36%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(184, 233, 92, 0.2), rgba(184, 233, 92, 0.95), rgba(12, 10, 9, 0.16));
  animation: loading-slide 1.4s ease-in-out infinite;
}

.loading-rail:nth-child(2) span {
  width: 52%;
  animation-delay: 0.12s;
}

.loading-rail:nth-child(3) span {
  width: 44%;
  animation-delay: 0.24s;
}

.loading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}

@keyframes loading-slide {
  0% { transform: translateX(-120%); }
  50% { transform: translateX(90%); }
  100% { transform: translateX(220%); }
}

@media (max-width: 1100px) {
  body { overflow: auto; }

  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas:
      "sidebar"
      "topbar"
      "main"
      "statusbar";
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 8px 12px;
  }

  .nav-section {
    display: none;
  }

  .nav-item {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .topbar {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .tb-spacer {
    display: none;
  }

  .main {
    min-height: 900px;
  }
}

@media (max-width: 780px) {
  body { overflow: auto; }

  .app {
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      "topbar"
      "main"
      "statusbar";
  }

  .sidebar {
    display: none;
  }

  .topbar {
    padding: 10px 12px;
    gap: 8px;
  }

  .tb-crumbs {
    width: 100%;
    overflow-x: auto;
  }

  .demo-switch {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .canvas-wrap {
    overflow: auto;
  }

  .canvas-inner {
    min-width: 1600px;
    min-height: 820px;
  }

  .palette,
  .zoom,
  .minimap {
    display: none;
  }

  .inspector {
    position: static;
    width: auto;
    height: 360px;
    margin: 12px;
  }

  .console {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    height: 140px;
    margin: 12px;
  }

  .tools,
  .exec,
  .step-body {
    grid-template-columns: 1fr;
  }

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

  .thead,
  .trow,
  .ver-row {
    grid-template-columns: 1fr;
  }

  .chat-drawer {
    top: 0;
    bottom: 0;
    width: 100%;
  }

  .statusbar {
    flex-wrap: wrap;
    min-height: 44px;
    padding: 8px 12px;
  }
}