/* rcketx — design system */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  --font-sans: 'Geist', system-ui, -apple-system, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', monospace;

  /* Light theme (default) — Stitch-inspired clean warm gray */
  --bg: #f7f7f5;
  --bg-elev: #ffffff;
  --bg-soft: #f0efed;
  --bg-canvas: #f2f1ee;
  --ink: #18181b;
  --ink-2: #3f3f46;
  --ink-3: #71717a;
  --ink-4: #a1a1aa;
  --ink-5: #d4d4d8;
  --line: #e4e3de;
  --line-2: #cccbc4;
  --accent: #ff5722;
  --accent-soft: #ffe9df;
  --accent-ink: #c83e0e;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --shadow-sm: 0 1px 2px rgba(20, 20, 15, 0.04), 0 1px 1px rgba(20, 20, 15, 0.03);
  --shadow-md: 0 4px 12px rgba(20, 20, 15, 0.06), 0 2px 4px rgba(20, 20, 15, 0.04);
  --shadow-lg: 0 24px 48px rgba(20, 20, 15, 0.10), 0 8px 16px rgba(20, 20, 15, 0.06);
}

[data-theme="dark"] {
  --bg: #0e0e0c;
  --bg-elev: #1a1a17;
  --bg-soft: #18181580;
  --bg-canvas: #121210;
  --ink: #fafaf7;
  --ink-2: #d4d4d0;
  --ink-3: #a1a1a0;
  --ink-4: #71716f;
  --ink-5: #3f3f3d;
  --line: #2a2a26;
  --line-2: #3a3a35;
  --accent: #ff6b3d;
  --accent-soft: #3a1a0c;
  --accent-ink: #ff8f6b;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

button {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  outline: none;
  color: inherit;
}

/* ─── App Shell ─── */
.app {
  position: fixed;
  inset: 0;
  background: var(--bg);
  overflow: hidden;
}

/* ─── Top Bar ─── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 100;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0;
}

.crumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 20px;
  color: var(--ink-3);
  font-size: 13px;
  white-space: nowrap;
}
.crumbs .sep { color: var(--ink-5); font-size: 11px; }
.crumbs .item {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 120ms;
}
.crumbs .item:hover { background: var(--bg-soft); color: var(--ink-2); }
.crumbs .item.current { color: var(--ink); font-weight: 500; }

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

.ghost-btn {
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  transition: background 120ms, color 120ms;
}
.ghost-btn:hover { background: var(--bg-soft); color: var(--ink); }

/* ─── Status indicators ─── */
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.status-dot.ok { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in oklab, var(--ok) 20%, transparent); }
.status-dot.running { background: var(--accent); animation: pulse 1.4s ease-in-out infinite; }
.status-dot.err { background: var(--err); }
.status-dot.idle { background: var(--ink-5); }
.status-dot.warn { background: var(--warn); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 50%, transparent); }
  50% { box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent) 0%, transparent); }
}

/* ─── Canvas ─── */
.stage-host {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--bg-canvas);
  cursor: default;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
.stage-host.dragging { cursor: grabbing; }

.stage {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.dot-grid {
  position: absolute;
  inset: -4000px;
  background-image: radial-gradient(circle, var(--line-2) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
  pointer-events: none;
}
[data-theme="dark"] .dot-grid {
  background-image: radial-gradient(circle, var(--ink-5) 1px, transparent 1px);
  opacity: 0.4;
}

/* ─── Flow Cards (Space level) ─── */
.flow-card {
  position: absolute;
  width: 280px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 160ms, box-shadow 160ms, transform 80ms;
  box-shadow: var(--shadow-sm);
  user-select: none;
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flow-card:hover {
  border-color: var(--line-2);
  box-shadow: var(--shadow-md);
  z-index: 5;
  transform: translateY(-1px);
}
.flow-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-md);
  z-index: 6;
}
.flow-card.dragging-item {
  z-index: 100;
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
  opacity: 0.95;
}

.flow-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.flow-card-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  letter-spacing: -0.02em;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  outline: none;
  border-radius: 3px;
}
.flow-card-name.editing {
  background: var(--bg-soft);
  padding: 1px 4px;
  margin: -1px -4px;
}
.flow-card-desc {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.flow-card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 2px;
  border-top: 1px solid var(--line);
}
.flow-card-pill {
  font-size: 11px;
  padding: 3px 8px;
  background: var(--bg-soft);
  color: var(--ink-3);
  border-radius: 99px;
  font-weight: 500;
  font-family: var(--font-mono);
}
.flow-card-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--ink-3);
  flex-shrink: 0;
  transition: background 160ms;
}
.flow-card:hover .flow-card-icon {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}

/* ─── Section frames ─── */
.canvas-frame {
  position: absolute;
  border: 1px dashed var(--line);
  border-radius: 18px;
  background: transparent;
  pointer-events: none;
  transition: all 200ms;
}
.canvas-frame .canvas-frame-label {
  pointer-events: auto;
  cursor: context-menu;
}
.canvas-frame-label {
  position: absolute;
  top: -11px;
  left: 18px;
  background: var(--bg-canvas);
  padding: 2px 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-4);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.canvas-frame-label .count {
  font-size: 10.5px;
  color: var(--ink-4);
  font-weight: 400;
  font-family: var(--font-mono);
}

/* ─── Workflow Nodes ─── */
.wf-node {
  position: absolute;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  min-width: 120px;
  cursor: pointer;
  transition: border-color 160ms, box-shadow 160ms, transform 80ms;
  box-shadow: var(--shadow-sm);
  user-select: none;
  font-family: var(--font-sans);
}
.wf-node:hover { border-color: var(--line-2); box-shadow: var(--shadow-md); }
.wf-node.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-md);
  z-index: 6;
}
.wf-node.dragging-item {
  z-index: 100;
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
  opacity: 0.95;
}
.wf-node.edge-highlighted {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.wf-node.trigger {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.wf-node.running {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md);
}
.wf-node.done {
  border-color: color-mix(in oklab, var(--ok) 50%, var(--line));
}

/* Header row: icon + type label + status */
.wf-node-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.wf-node-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--bg-soft);
  color: var(--ink-2);
}
.wf-node.trigger .wf-node-icon {
  background: color-mix(in oklab, var(--bg) 20%, transparent);
  color: var(--bg);
}
.wf-node-type {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}
.wf-node.trigger .wf-node-type { color: var(--ink-4); opacity: 0.8; }
.wf-node-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
  display: flex;
  align-items: center;
  gap: 5px;
}
.wf-node-title {
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: -0.01em;
  color: var(--ink);
  outline: none;
  border-radius: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wf-node-title.editing {
  background: var(--bg-soft);
  padding: 1px 4px;
  margin: -1px -4px;
}
.wf-node.trigger .wf-node-title { color: var(--bg); }

/* Subtitle — mono doc snippet */
.wf-node-sub {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 2px;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.wf-node.trigger .wf-node-sub { color: var(--ink-4); }

/* ─── Edges ─── */
.wf-edges { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
.wf-edge {
  fill: none;
  stroke: var(--ink-4);
  stroke-width: 2;
  stroke-dasharray: 5 4;
  animation: edgeFlow 20s linear infinite;
  transition: stroke 200ms, stroke-width 200ms, opacity 200ms;
}
.wf-edge.highlighted { stroke: var(--accent); stroke-width: 2; opacity: 1; }
.wf-edge.dimmed { opacity: 0.15; }
@keyframes edgeFlow {
  to { stroke-dashoffset: -180; }
}

/* ─── Live node status ─── */
.wf-node.status-queued {
  border-color: var(--ink-4);
  opacity: 0.7;
}
.wf-node.status-running {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md);
  animation: nodeRunPulse 1.5s ease-in-out infinite;
}
.wf-node.trigger.status-running {
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md);
}
.wf-node.status-done {
  border-color: var(--ok);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--ok) 20%, transparent);
}
.wf-node.trigger.status-done {
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--ok) 20%, transparent);
}
.wf-node.status-failed {
  border-color: var(--err);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--err) 20%, transparent);
}
@keyframes nodeRunPulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md); }
  50% { box-shadow: 0 0 0 6px var(--accent-soft), var(--shadow-md); }
}

/* Status indicator dot on node */
.wf-node.status-running::after,
.wf-node.status-done::after,
.wf-node.status-failed::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.wf-node.status-running::after {
  background: var(--accent);
  animation: statusDotPulse 1s ease-in-out infinite;
}
.wf-node.status-done::after { background: var(--ok); }
.wf-node.status-failed::after { background: var(--err); }
@keyframes statusDotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

/* Edge status during runs */
.wf-edge.edge-running {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 8 4;
  animation: edgeDash 400ms linear infinite;
}
.wf-edge.edge-done {
  stroke: var(--ok);
  stroke-width: 2;
  opacity: 0.8;
}
.wf-edge.edge-failed {
  stroke: var(--err);
  stroke-width: 2;
  opacity: 0.8;
}
@keyframes edgeDash {
  to { stroke-dashoffset: -10; }
}
.wf-edge.active { stroke: var(--accent); stroke-width: 2; stroke-dasharray: 4 6; animation: flow-pulse 1s linear infinite; }
.wf-edge.done { stroke: color-mix(in oklab, var(--ok) 60%, var(--line-2)); }

@keyframes flow-pulse {
  0% { stroke-dashoffset: 60; }
  100% { stroke-dashoffset: 0; }
}

/* ─── Annotations ─── */
.canvas-annotation {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
  padding: 4px 8px;
  border-radius: 6px;
  min-width: 40px;
  min-height: 24px;
  cursor: pointer;
  user-select: none;
  transition: background 120ms, border-color 160ms, box-shadow 160ms;
  outline: none;
  white-space: pre-wrap;
  max-width: 320px;
}
.canvas-annotation:hover {
  background: color-mix(in oklab, var(--bg-elev) 60%, transparent);
}
.canvas-annotation.selected {
  border: 1px solid var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.canvas-annotation.editing {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  cursor: text;
  user-select: text;
}
.canvas-annotation.dragging-item {
  z-index: 100;
  opacity: 0.85;
}
.canvas-annotation[data-placeholder]:empty::before {
  content: attr(data-placeholder);
  color: var(--ink-4);
  font-style: italic;
}

/* ─── Marquee selection ─── */
.marquee {
  position: fixed;
  border: 1.5px solid var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border-radius: 3px;
  pointer-events: none;
  z-index: 90;
}

/* ─── Context menu ─── */
.context-menu {
  position: fixed;
  z-index: 300;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
  box-shadow: var(--shadow-lg);
  min-width: 140px;
}
.ctx-item {
  padding: 7px 12px;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--ink);
  transition: background 80ms;
}
.ctx-item:hover { background: var(--bg-soft); }
.ctx-item.danger { color: var(--err); }
.ctx-item.danger:hover { background: color-mix(in oklab, var(--err) 8%, var(--bg-soft)); }
.ctx-sep {
  height: 1px;
  background: var(--line);
  margin: 4px 8px;
}

/* ─── Empty state ─── */
.empty-state {
  position: absolute;
  left: -160px;
  top: 40px;
  max-width: 320px;
  text-align: center;
}
.empty-title {
  font-weight: 500;
  font-size: 17px;
  color: var(--ink-2);
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}
.empty-desc {
  font-size: 14px;
  color: var(--ink-3);
  font-family: var(--font-serif);
  line-height: 1.5;
  margin-bottom: 16px;
}
.empty-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  transition: background 120ms;
}
.empty-btn:hover { background: var(--ink-2); }

/* ─── Chat bar ─── */
.chat-shell {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}
.chat-shell > * { pointer-events: auto; }

.chat-context {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  padding: 4px 10px;
  background: color-mix(in oklab, var(--bg-elev) 80%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  box-shadow: var(--shadow-lg);
  width: 560px;
  max-width: calc(100vw - 48px);
  transition: width 200ms, border-color 200ms;
}
.chat-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-lg);
}
.chat-bar .star {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}
.chat-bar input {
  flex: 1;
  font-size: 14px;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.chat-bar input::placeholder { color: var(--ink-4); }
.chat-bar .submit-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  transition: opacity 160ms, background 160ms;
  flex-shrink: 0;
}
.chat-bar .submit-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.chat-bar .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

/* ─── Chat messages (floating toast style) ─── */
.chat-toast {
  position: fixed;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 199;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  pointer-events: none;
  width: 560px;
  max-width: calc(100vw - 48px);
  max-height: calc(100vh - 180px);
  overflow-y: auto;
}
.chat-msg {
  align-self: flex-end;
  background: var(--ink);
  color: var(--bg);
  font-size: 13.5px;
  padding: 8px 14px;
  border-radius: 12px 12px 4px 12px;
  max-width: 80%;
  line-height: 1.4;
  box-shadow: var(--shadow-md);
  animation: fadeScaleIn 200ms ease-out;
  pointer-events: auto;
}
.chat-reply {
  align-self: flex-start;
  background: var(--bg-elev);
  color: var(--ink);
  border: 1px solid var(--line);
  font-size: 13.5px;
  padding: 10px 14px;
  border-radius: 12px 12px 12px 4px;
  max-width: 90%;
  line-height: 1.5;
  box-shadow: var(--shadow-md);
  animation: fadeScaleIn 200ms ease-out 100ms backwards;
  white-space: pre-wrap;
  pointer-events: auto;
}
.chat-reply.streaming::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 14px;
  background: var(--accent);
  border-radius: 1px;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}
.chat-tool {
  align-self: flex-start;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 12px;
  font-family: var(--font-mono);
  padding: 8px 12px;
  border-radius: 10px;
  max-width: 90%;
  line-height: 1.4;
  box-shadow: var(--shadow-sm);
  animation: fadeScaleIn 200ms ease-out;
  pointer-events: auto;
}
.chat-tool .tool-name {
  font-weight: 600;
  color: var(--accent-ink);
  margin-bottom: 4px;
}
.chat-tool pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--ink-3);
  font-size: 11px;
  max-height: 120px;
  overflow-y: auto;
}

/* ─── Animations ─── */
@keyframes fadeScaleIn {
  from { opacity: 0; transform: translateY(6px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeScaleOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.95); }
}
@keyframes animIn {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes edgeFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.anim-in {
  animation: animIn 250ms ease-out both;
}
.fade-out {
  animation: fadeScaleOut 150ms ease-in forwards;
}

/* ─── Zoom readout ─── */
.zoom-readout {
  position: fixed;
  bottom: 24px;
  right: 68px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  padding: 6px 10px;
  background: color-mix(in oklab, var(--bg-elev) 80%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 8px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.zoom-readout .btn {
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink-3);
}
.zoom-readout .btn:hover { background: var(--bg-soft); color: var(--ink); }

/* ─── Hint stack ─── */
.hint-stack {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--ink-4);
  user-select: none;
  opacity: 0.7;
  background: color-mix(in oklab, var(--bg-elev) 70%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}
.hint-stack .row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.hint-stack .k {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: color-mix(in oklab, var(--bg-elev) 60%, transparent);
}
.hint-close {
  position: absolute;
  top: 2px;
  right: 6px;
  font-size: 14px;
  color: var(--ink-4);
  cursor: pointer;
  background: none;
  border: none;
  padding: 2px;
  line-height: 1;
}
.hint-close:hover { color: var(--ink-2); }
.hint-show {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 50;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: color-mix(in oklab, var(--bg-elev) 80%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-4);
  cursor: pointer;
}
.hint-show:hover { color: var(--ink-2); background: var(--bg-elev); }

/* ─── Run bar ─── */
.run-bar {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px 5px 6px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  box-shadow: var(--shadow-md);
  z-index: 80;
  white-space: nowrap;
}
.run-bar .run-btn {
  height: 26px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 160ms;
  cursor: pointer;
  border: none;
}
.run-bar .run-btn:hover { background: var(--ink-2); }
.run-bar .run-btn.running { background: var(--accent); }
.run-bar .stat {
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ─── Tag badges ─── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg-soft);
  color: var(--ink-3);
}
.tag.trigger { background: var(--ink); color: var(--bg); }
.tag.logic { background: color-mix(in oklab, var(--ok) 14%, var(--bg-soft)); color: var(--ok); }
.tag.brain { background: color-mix(in oklab, #7c3aed 14%, var(--bg-soft)); color: #7c3aed; }
[data-theme="dark"] .tag.brain { color: #a78bfa; }
.tag.human { background: color-mix(in oklab, var(--warn) 14%, var(--bg-soft)); color: var(--warn); }
.tag.custom { background: color-mix(in oklab, #06b6d4 14%, var(--bg-soft)); color: #06b6d4; }
.tag.display { background: color-mix(in oklab, #0891b2 14%, var(--bg-soft)); color: #0891b2; }
[data-theme="dark"] .tag.display { color: #22d3ee; }

/* ─── Display nodes ─── */
.wf-node.display {
  padding-bottom: 0;
}
.wf-node-data {
  margin: 4px 0 10px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.35;
  color: var(--ink-2);
  max-height: 42px;
  overflow: hidden;
  white-space: pre;
  text-overflow: ellipsis;
}
.wf-node-data.empty {
  color: var(--ink-4);
  font-style: italic;
  font-family: var(--font-sans);
}
.wf-node-data-ts {
  font-size: 9.5px;
  color: var(--ink-4);
  margin-top: 2px;
  font-family: var(--font-sans);
  font-style: normal;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Freshness indicator dot */
.freshness-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.freshness-dot.fresh { background: var(--ok); box-shadow: 0 0 0 2px color-mix(in oklab, var(--ok) 20%, transparent); }
.freshness-dot.recent { background: var(--warn); }
.freshness-dot.stale { background: var(--ink-5); }

/* Empty state action link */
.display-empty-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-ink);
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 11px;
  cursor: pointer;
  border-radius: 4px;
  padding: 2px 4px;
  transition: background 120ms;
}
.display-empty-action:hover { background: var(--accent-soft); }

/* Waiting spinner */
.display-waiting-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--line-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
  margin-right: 4px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }
.display-val-num {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.display-val-str { color: var(--ink-2); }
.display-val-json { color: var(--ink-3); font-size: 10.5px; }

/* ─── Display modal ─── */
.display-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 500;
  display: grid;
  place-items: center;
  animation: fadeIn 150ms ease-out;
}
[data-theme="dark"] .display-modal-backdrop { background: rgba(0, 0, 0, 0.6); }
.display-modal {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  width: 70vw;
  max-width: 720px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  animation: animIn 200ms ease-out;
}
.display-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.display-modal-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}
.display-modal-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 18px;
  color: var(--ink-3);
  cursor: pointer;
  transition: background 120ms;
}
.display-modal-close:hover { background: var(--bg-soft); color: var(--ink); }
.display-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
/* Markdown rendered content in display modal */
.display-modal-md {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
}
.display-modal-md p { margin: 0 0 10px; }
.display-modal-md p:last-child { margin-bottom: 0; }
.display-modal-md h2.md-h { font-size: 18px; font-weight: 700; margin: 16px 0 8px; letter-spacing: -0.01em; }
.display-modal-md h3.md-h { font-size: 15px; font-weight: 600; margin: 14px 0 6px; color: var(--ink-2); }
.display-modal-md h4.md-h { font-size: 13px; font-weight: 600; margin: 12px 0 4px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.04em; }
.display-modal-md strong { font-weight: 600; color: var(--ink); }
.display-modal-md em { font-style: italic; color: var(--ink-3); }
.display-modal-md .md-inline-code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--accent-ink);
}
.display-modal-md .md-code-block {
  background: var(--bg-soft);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 8px 0;
  overflow-x: auto;
}
.display-modal-md .md-code-block code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-2);
}
.display-modal-md .md-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 10px;
}
.display-modal-md .md-list li {
  padding: 3px 0 3px 16px;
  position: relative;
  font-size: 13.5px;
}
.display-modal-md .md-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-4);
}
.display-modal-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-4);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
}
.display-modal-run {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.display-modal-run:hover { background: var(--ink); color: var(--bg); }
.display-modal-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  font-family: var(--font-mono);
}
.display-modal-status .status-dot { width: 6px; height: 6px; }

/* ─── Right Toolbar (Stitch-style) ─── */
.right-toolbar {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px;
  box-shadow: var(--shadow-md);
}
.right-toolbar .tb-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--ink-3);
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.right-toolbar .tb-btn:hover {
  background: var(--bg-soft);
  color: var(--ink);
}
.right-toolbar .tb-btn.active {
  background: var(--ink);
  color: var(--bg);
}
.right-toolbar .tb-sep {
  width: 20px;
  height: 1px;
  background: var(--line);
  margin: 4px auto;
}

/* ─── Block doc page view ─── */
.block-doc {
  position: absolute;
  top: 0; left: 0; right: 0;
  bottom: 110px; /* stop above chat bar */
  overflow-y: auto;
  display: flex;
  justify-content: center;
  padding: 48px 24px 32px;
  background: var(--bg);
  z-index: 10;
  animation: fadeIn 200ms ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.block-doc-content {
  max-width: 640px;
  width: 100%;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  -webkit-user-select: text;
  user-select: text;
}

/* Connections list */
.block-connections {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.block-conn-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--bg-soft);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
  transition: background 120ms;
}
.block-conn-item:hover { background: var(--line); }
.block-conn-arrow {
  font-size: 14px;
  color: var(--ink-4);
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

/* Quote tooltip */
.quote-tooltip {
  position: fixed;
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  z-index: 150;
  transform: translateX(-50%) translateY(-100%);
  pointer-events: auto;
  box-shadow: var(--shadow-md);
  transition: opacity 100ms;
}
.quote-tooltip:hover { opacity: 0.9; }

/* Chat quote snippet */
.chat-quote {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--ink-3);
  max-width: 560px;
  width: 100%;
}
.chat-quote-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-quote-close {
  font-size: 16px;
  color: var(--ink-4);
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}
.chat-quote-close:hover { color: var(--ink-2); }

/* Path breadcrumb */
.spec-path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-4);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.spec-path-sep { color: var(--ink-5); margin: 0 4px; }

/* Hero: icon + title + meta */
.spec-hero {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}
.spec-hero-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--bg-soft);
  display: grid;
  place-items: center;
  color: var(--ink-2);
  flex-shrink: 0;
}
.spec-hero-text { flex: 1; min-width: 0; }
.spec-h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.spec-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.spec-key-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  background: var(--bg-soft);
  padding: 2px 7px;
  border-radius: 5px;
  word-break: break-all;
}

/* Lead paragraph */
.spec-lead {
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.55;
  margin: 0 0 20px;
}

/* Status bar */
.spec-status-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: capitalize;
  padding: 6px 14px;
  background: var(--bg-soft);
  border-radius: 8px;
  margin-bottom: 20px;
}

/* Config table */
.spec-section { margin-bottom: 8px; }
.spec-section h2 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin: 0 0 10px;
}
.spec-config {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 12px 16px;
}
.spec-config-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 4px 0;
  font-size: 13px;
}
.spec-config-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  flex-shrink: 0;
  min-width: 80px;
}
.spec-config-val { color: var(--ink); }

/* Documentation body */
.spec-section h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.spec-section h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 24px 0 8px;
}
.spec-section h4:first-child { margin-top: 0; }
.spec-section code {
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.spec-list-item {
  padding: 4px 0 4px 16px;
  position: relative;
}
.spec-list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-4);
}
.spec-list-desc { color: var(--ink-3); }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px; }

/* ─── Auth Loading Screen ─── */
.auth-loading {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: grid;
  place-items: center;
}
.auth-loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.auth-loading-logo {
  display: grid;
  place-items: center;
}
.auth-loading-logo .brand-mark {
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 700;
}
.auth-loading-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}

/* ─── Auth Sign-In Screen ─── */
.auth-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9998;
  display: grid;
  place-items: center;
}
.auth-screen-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* ─── User Button & Menu ─── */
.user-btn {
  position: relative;
  cursor: pointer;
}
.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--ink-3);
  overflow: hidden;
  transition: border-color 120ms, box-shadow 120ms;
}
.user-btn:hover .user-avatar {
  border-color: var(--ink-4);
  box-shadow: 0 0 0 2px var(--bg-soft);
}

.user-menu {
  position: fixed;
  top: 48px;
  right: 16px;
  z-index: 400;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 4px;
  animation: fadeScaleIn 120ms ease-out;
}
.user-menu-header {
  padding: 12px 14px 8px;
}
.user-menu-name {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.user-menu-email {
  font-size: 12px;
  color: var(--ink-4);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-menu-sep {
  height: 1px;
  background: var(--line);
  margin: 4px 8px;
}
.user-menu-org {
  padding: 6px 14px 8px;
}
.user-menu-org-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  margin-bottom: 2px;
}
.user-menu-org-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 8px;
  cursor: pointer;
  transition: background 80ms, color 80ms;
  border: none;
  background: none;
  font-family: var(--font-sans);
  text-align: left;
}
.user-menu-item:hover { background: var(--bg-soft); color: var(--ink); }
.user-menu-item.danger { color: var(--err); }
.user-menu-item.danger:hover { background: color-mix(in oklab, var(--err) 8%, var(--bg-soft)); }

/* ─── Shared Panel Classes ─── */
.panel-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.panel-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin: 24px 0 10px;
}
.panel-eyebrow:first-child { margin-top: 0; }
.panel-eyebrow-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0 10px;
}
.panel-eyebrow-row .panel-eyebrow { margin: 0; }
.panel-field-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px;
  padding: 5px 0;
  font-size: 13px;
  align-items: baseline;
}
.panel-field-row .k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
}
.panel-field-row .v {
  color: var(--ink-2);
  word-break: break-word;
}
.panel-field-row .v.mono {
  font-family: var(--font-mono);
  font-size: 11px;
}
.panel-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--bg-soft);
  color: var(--ink-4);
  vertical-align: middle;
}
.panel-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
  transition: background 80ms, border-color 80ms;
}
.panel-card.interactive { cursor: pointer; }
.panel-card.interactive:hover { background: var(--bg-soft); border-color: var(--line-2); }
.panel-card-body {
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel-card-title { font-weight: 600; font-size: 14px; flex: 1; }
.panel-card-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
}
.panel-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--ink-4);
  font-size: 14px;
}
.panel-empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.panel-form {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  animation: fadeIn 150ms ease;
}
.panel-form-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.panel-form-row:last-child { margin-bottom: 0; }
.panel-input {
  flex: 1;
  padding: 7px 10px;
  font-size: 13px;
  font-family: var(--font-sans);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  outline: none;
}
.panel-input:focus { border-color: var(--accent); }
.panel-input::placeholder { color: var(--ink-4); }
.panel-input.narrow { flex: 0.5; }
.panel-submit-btn {
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 80ms;
}
.panel-submit-btn:hover { opacity: 0.85; }
.panel-add-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: none;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 100ms;
}
.panel-add-btn:hover { background: var(--bg-soft); color: var(--ink); }
.panel-add-btn.sm { font-size: 10px; padding: 3px 8px; }
.panel-add-btn.danger {
  color: var(--err);
  border-color: color-mix(in oklab, var(--err) 30%, var(--line));
}
.panel-add-btn.danger:hover {
  background: color-mix(in oklab, var(--err) 8%, var(--bg-soft));
}
.panel-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

/* ─── Runs Dashboard ─── */
.runs-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.runs-stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
}
.runs-stat-val {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}
.runs-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-4);
}
.runs-stat-val.running { color: var(--accent); }
.runs-stat-val.completed { color: var(--ok); }
.runs-stat-val.failed { color: var(--err); }
.runs-filters {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.runs-filter-tab {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: none;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 100ms;
}
.runs-filter-tab:hover { background: var(--bg-soft); color: var(--ink); }
.runs-filter-tab.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.runs-list { display: flex; flex-direction: column; gap: 2px; }
.run-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: background 80ms, border-color 80ms;
}
.run-row:hover { background: var(--bg-soft); border-color: var(--line-2); }
.run-row.expanded { border-radius: 10px 10px 0 0; border-bottom-color: transparent; }
.run-row .status-dot { flex-shrink: 0; }
.run-flow-name {
  font-weight: 500;
  font-size: 13.5px;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.run-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  white-space: nowrap;
}
.run-duration {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  min-width: 50px;
  text-align: right;
}
.tag.completed { background: color-mix(in oklab, var(--ok) 14%, var(--bg-elev)); color: var(--ok); }
.tag.failed { background: color-mix(in oklab, var(--err) 14%, var(--bg-elev)); color: var(--err); }
.tag.running { background: color-mix(in oklab, var(--accent) 14%, var(--bg-elev)); color: var(--accent); }
.tag.active { background: color-mix(in oklab, var(--ok) 14%, var(--bg-elev)); color: var(--ok); }
.tag.inactive { background: color-mix(in oklab, var(--err) 14%, var(--bg-elev)); color: var(--err); }
.run-detail {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 10px 10px;
  padding: 16px;
  margin-bottom: 2px;
  animation: fadeIn 150ms ease;
}
.run-error {
  background: color-mix(in oklab, var(--err) 8%, var(--bg-elev));
  border-left: 3px solid var(--err);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--err);
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
}
.run-block-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-soft);
  border-radius: 6px;
  font-size: 12.5px;
  margin-bottom: 3px;
}
.run-block-row .tag { font-size: 9px; padding: 2px 5px; }
.run-block-summary {
  color: var(--ink-3);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.run-json-block {
  background: var(--bg-soft);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
}
.runs-load-more-btn {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  background: none;
  border: 1px dashed var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: all 100ms;
}
.runs-load-more-btn:hover { background: var(--bg-soft); color: var(--ink); }
#runs-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  margin-left: 2px;
  vertical-align: middle;
}

/* ─── Admin Panel ─── */
.admin-card-detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  animation: fadeIn 150ms ease;
}
.admin-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-soft);
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 4px;
}
.admin-user-row .tag { font-size: 9px; padding: 2px 5px; }
.admin-user-email { flex: 1; color: var(--ink-2); }
.admin-user-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
}
.admin-empty-text {
  color: var(--ink-4);
  font-size: 12px;
  padding: 8px;
}

/* ─── Avatar Helpers ─── */
.user-avatar-dev {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
}
.user-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.user-avatar-initials {
  font-size: 11px;
  font-weight: 600;
}
.user-menu-org-role {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .runs-stats { grid-template-columns: repeat(2, 1fr); }
  .panel-field-row { grid-template-columns: 100px 1fr; }
}

/* ─── Chat Panel (left-side floating, Stitch-inspired) ─── */
.chat-panel {
  position: fixed;
  top: 60px;
  left: 16px;
  bottom: 80px;
  width: 340px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 30;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateX(-20px) scale(0.97);
  pointer-events: none;
  transition: opacity 200ms ease-out, transform 200ms ease-out;
  overflow: hidden;
}
.chat-panel.open {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

/* Top bar: new chat + session selector */
.chat-panel-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.chat-panel-new {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--ink-3);
  transition: background 120ms;
  flex-shrink: 0;
}
.chat-panel-new:hover {
  background: var(--bg-soft);
  color: var(--ink);
}
.chat-panel-session-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: background 120ms, border-color 120ms;
  min-width: 0;
  flex: 1;
}
.chat-panel-session-selector:hover {
  background: var(--bg-soft);
  border-color: var(--line-2);
}
.session-selector-label {
  font-size: 12px;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.chat-panel-session-selector svg {
  flex-shrink: 0;
  transition: transform 150ms;
}
.chat-panel-session-selector.open svg {
  transform: rotate(180deg);
}

/* Conversation messages */
.chat-panel-messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* User messages — background pill, acts as turn separator */
.chat-panel-msg-user {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
  word-break: break-word;
  margin-top: 12px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.chat-panel-msg-user:first-child,
.chat-context-pill + .chat-panel-msg-user {
  margin-top: 0;
}
.chat-panel-msg-user .msg-text {
  flex: 1;
  min-width: 0;
}

/* Assistant messages — plain text, tight to user msg */
.chat-panel-msg-assistant {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
  padding: 0 4px;
}

/* Timestamp — always visible, subtle */
.msg-timestamp {
  font-size: 10px;
  color: var(--ink-4);
  font-family: var(--font-mono);
  white-space: nowrap;
  flex-shrink: 0;
  opacity: 0.6;
}
.chat-panel-msg-assistant strong {
  color: var(--ink);
  font-weight: 600;
}
.chat-panel-msg-assistant code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ink);
}
.chat-panel-msg-assistant em {
  font-style: italic;
  color: var(--ink-3);
}
.chat-panel-msg-assistant.streaming {
  opacity: 0.6;
}
.chat-panel-msg-assistant.streaming::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 13px;
  background: var(--accent);
  border-radius: 1px;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}

/* Tool cards (collapsible, compact) */
.chat-panel-tool {
  align-self: stretch;
  background: var(--bg-soft);
  border-radius: 8px;
  max-width: 100%;
  overflow: hidden;
  margin: 1px 0;
}
.chat-panel-tool-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
  color: var(--ink-3);
  transition: background 100ms;
}
.chat-panel-tool-header:hover {
  background: color-mix(in oklab, var(--bg-soft) 60%, var(--bg));
}
.tool-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tool-status-dot.ok { background: var(--ok); }
.tool-status-dot.err { background: var(--err); }
.tool-summary-label {
  flex: 1;
  font-weight: 500;
  font-family: var(--font-sans);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tool-chevron {
  transition: transform 150ms;
  opacity: 0.5;
}
.chat-panel-tool.expanded .tool-chevron {
  transform: rotate(180deg);
}
.chat-panel-tool-body {
  display: none;
  padding: 0 10px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  max-height: 180px;
  overflow-y: auto;
}
.chat-panel-tool.expanded .chat-panel-tool-body {
  display: block;
}
.chat-panel-tool-body pre {
  margin: 2px 0;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--ink-3);
}
.tool-section { margin-bottom: 6px; }
.tool-section strong { color: var(--ink-2); font-weight: 500; }

/* Activity indicator */
.chat-panel-activity {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
}
.activity-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 1.2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Session popover (replaces content area when open) */
.session-popover {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.session-popover-search {
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink);
  outline: none;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.session-popover-search::placeholder { color: var(--ink-4); }
.session-popover-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}
.session-popover-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--ink-4);
  font-size: 12px;
}
.session-group-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-4);
  padding: 10px 14px 4px;
}
.session-popover-item {
  display: flex;
  align-items: center;
  padding: 0 8px 0 0;
  transition: background 100ms;
}
.session-popover-item:hover { background: var(--bg-soft); }
.session-popover-item.active { background: var(--bg-soft); }
.session-popover-item-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  cursor: pointer;
  min-width: 0;
  overflow: hidden;
}
.session-popover-title {
  font-size: 13px;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}
.session-popover-time {
  font-size: 10px;
  color: var(--ink-4);
  font-family: var(--font-mono);
  flex-shrink: 0;
  white-space: nowrap;
}
.session-popover-delete {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-4);
  opacity: 0;
  transition: opacity 120ms, background 120ms;
  flex-shrink: 0;
  padding: 0;
}
.session-popover-item:hover .session-popover-delete { opacity: 1; }
.session-popover-delete:hover {
  background: color-mix(in oklab, var(--err) 10%, transparent);
  color: var(--err);
}

/* Context change pills */
.chat-context-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
  align-self: flex-start;
  margin-top: 10px;
  border: 1px solid var(--line);
}

/* Empty state */
.chat-panel-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 32px 24px;
}
.empty-star {
  color: var(--accent);
  opacity: 0.35;
}
.empty-title {
  font-size: 15px;
  color: var(--ink-3);
  font-weight: 500;
  margin: 0;
}
.empty-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 4px;
}
.empty-chip {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 12px;
  color: var(--ink-2);
  background: transparent;
  cursor: pointer;
  transition: background 120ms, border-color 120ms;
  white-space: nowrap;
}
.empty-chip:hover {
  background: var(--bg-soft);
  border-color: var(--line-2);
  color: var(--ink);
}

/* Inline agent log entries (in message flow) */
.chat-inline-log {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
}
.log-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}
.log-dot.ok { background: var(--ok); }
.log-dot.err { background: var(--err); }
.log-dot.pending { background: var(--ink-4); animation: pulse-dot 1s infinite; }

/* ─── C3: Annotation Style Toolbar ─── */
.ann-toolbar {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px 8px;
  box-shadow: var(--shadow-md);
  z-index: 200;
  font-size: 12px;
  user-select: none;
}
.ann-toolbar-btn {
  padding: 3px 7px;
  border-radius: 5px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--ink-2);
  cursor: pointer;
  transition: background 100ms;
}
.ann-toolbar-btn:hover { background: var(--bg-soft); }
.ann-toolbar-btn.active { background: var(--accent-soft); color: var(--accent-ink); }
.ann-toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--line);
  margin: 0 2px;
}
.ann-toolbar-color {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  cursor: pointer;
  transition: transform 100ms;
}
.ann-toolbar-color:hover { transform: scale(1.2); }
.ann-toolbar-color.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* ─── F5: Last Run Dots ─── */
.last-run-dot {
  position: absolute;
  bottom: 6px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  opacity: 0.7;
  transition: opacity 150ms;
}
.last-run-dot:hover { opacity: 1; }
.last-run-dot.ok { background: var(--ok); }
.last-run-dot.err { background: var(--err); }

/* Flow card running animation */
.flow-card.flow-running {
  border-color: var(--accent);
  animation: nodeRunPulse 1.5s ease-in-out infinite;
}

/* ─── D6: Layout Animation ─── */
.wf-node.animating {
  transition: left 300ms cubic-bezier(0.4, 0, 0.2, 1), top 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes nodeSpawn {
  from { opacity: 0; transform: scale(0.8) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.wf-node.spawning {
  animation: nodeSpawn 300ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ─── C9: Ghost Nodes (Optimistic UI) ─── */
.wf-node.ghost {
  opacity: 0.5;
  border: 1px dashed var(--accent);
  pointer-events: none;
  animation: ghostPulse 1.5s ease-in-out infinite;
}
@keyframes ghostPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.3; }
}
.wf-node.ghost.ghost-fade {
  transition: opacity 200ms;
  opacity: 0;
}
.wf-node.ghost.ghost-error {
  border-color: var(--err);
  opacity: 0.7;
  transition: opacity 300ms;
}

/* ─── F10: Block Detail Panel ─── */
.block-detail-panel {
  position: fixed;
  top: 48px;
  right: 0;
  bottom: 0;
  width: 360px;
  background: var(--bg-elev);
  border-left: 1px solid var(--line);
  box-shadow: -4px 0 24px rgba(0,0,0,0.06);
  z-index: 50;
  transform: translateX(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.block-detail-panel.open {
  transform: translateX(0);
}
.detail-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.detail-panel-header .tag { font-size: 10px; }
.detail-panel-name {
  font-weight: 600;
  font-size: 14px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.detail-panel-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--ink-3);
  cursor: pointer;
  transition: background 100ms;
}
.detail-panel-close:hover { background: var(--bg-soft); color: var(--ink); }
.detail-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}
.detail-section {
  margin-bottom: 16px;
}
.detail-section-title {
  font-size: 10.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  margin-bottom: 6px;
}
.detail-kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 12.5px;
}
.detail-kv-key { color: var(--ink-3); font-family: var(--font-mono); font-size: 11.5px; }
.detail-kv-val { color: var(--ink); word-break: break-all; }
.detail-config-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.detail-config-key { color: var(--ink-3); font-family: var(--font-mono); }
.detail-config-val { color: var(--ink-2); max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
.detail-conn-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--ink-2);
}
.detail-conn-item:hover { color: var(--accent); }
.detail-doc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* Inspected node highlight */
.wf-node.inspected {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 12px color-mix(in oklab, var(--accent) 20%, transparent);
  z-index: 6;
}

/* Right toolbar shift when panel open */
.right-toolbar.panel-open {
  right: 376px;
}

/* Responsive */
@media (max-width: 768px) {
  .chat-panel {
    left: 8px;
    right: 8px;
    width: auto;
    bottom: 70px;
  }
  .block-detail-panel { width: 280px; }
}

/* ─── Misc ─── */
.hidden { display: none !important; }