/* ── Loop Visual: Agent Pipeline Graph ── */

#loop-visual-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #0d0d1a;
  min-height: 0;
  position: relative; /* anchor for tool panel overlay */
}

/* ── Toolbar ── */
#loop-visual-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid #2a2a4a;
  flex-shrink: 0;
  background: #1a1a2e;
  flex-wrap: wrap;
}

#loop-visual-pages {
  display: flex;
  gap: 4px;
  margin-left: 12px;
  flex: 1;
  overflow-x: auto;
}

.loop-visual-page-btn {
  background: #0d0d1a;
  border: 1px solid #2a2a4a;
  color: #565f89;
  padding: 3px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  white-space: nowrap;
  transition: 0.15s;
}
.loop-visual-page-btn:hover {
  border-color: #7dcfff;
  color: #a9b1d6;
}
.loop-visual-page-btn.active {
  background: #7dcfff15;
  border-color: #7dcfff;
  color: #7dcfff;
  font-weight: 600;
}
.loop-visual-page-btn .page-turn-num {
  font-weight: 600;
  margin-right: 4px;
}

/* ── Graph scroll area ── */
#loop-visual-graph-area {
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
  background: #0d0d1a;
  padding: 16px 24px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  scrollbar-width: thin;
  scrollbar-color: #2a2a4a transparent;
}

/* ── Node base style ── */
.lv-node {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 11px;
  font-family: 'Fira Code', Menlo, monospace;
  font-weight: 500;
  color: #7a8296;
  background: #13132a;
  border: 1px solid #252540;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s, color 0.25s;
  cursor: default;
  user-select: none;
  z-index: 2;
  white-space: nowrap;
  overflow: visible;
}

/* ── Node types ── */

/* User input pill */
.lv-node.lv-type-input {
  border-color: #7dcfff55;
  background: #7dcfff0a;
  color: #7dcfff99;
  border-radius: 20px;
  font-weight: 700;
  font-size: 12px;
}

/* Final response pill */
.lv-node.lv-type-output {
  border-color: #9ece6a55;
  background: #9ece6a0a;
  color: #9ece6a99;
  border-radius: 20px;
  font-weight: 700;
  font-size: 12px;
}

/* LLM inference — slightly prominent */
.lv-node.lv-type-llm {
  border-color: #bb9af755;
  background: #bb9af70a;
  color: #bb9af799;
  border-width: 1.5px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 12px;
}

/* Decision node (check_continue) */
.lv-node.lv-type-decision {
  border-color: #e0af6855;
  background: #e0af680a;
  color: #e0af6899;
  border-style: dashed;
}

/* Guard / guardrails */
.lv-node.lv-type-guard {
  border-color: #e0af6855;
  background: #e0af680a;
  color: #e0af6899;
}

/* Standard process steps */
.lv-node.lv-type-process {
  border-color: #252540;
  background: #13132a;
  color: #565f89;
}

/* Optimizer nodes — dimmed, reference only */
.lv-node.lv-type-opt {
  border-color: #9ece6a30;
  background: #9ece6a06;
  color: #9ece6a50;
  border-style: dashed;
  font-size: 11px;
}

/* ── Active state: glowing blue ── */
.lv-node.lv-active {
  border-color: #7dcfff !important;
  border-style: solid !important;
  background: #7dcfff14 !important;
  color: #7dcfff !important;
  box-shadow: 0 0 14px rgba(125, 207, 255, 0.35), 0 0 28px rgba(125, 207, 255, 0.12);
  z-index: 5;
}

/* ── Done state: green border + checkmark ── */
.lv-node.lv-done {
  border-color: #9ece6a !important;
  border-style: solid !important;
  background: #9ece6a0e !important;
  color: #9ece6a !important;
}
.lv-node.lv-done .lv-node-label::after {
  content: ' ✓';
  font-size: 10px;
  opacity: 0.8;
}

/* ── Error state: red glow ── */
.lv-node.lv-error {
  border-color: #f7768e !important;
  border-style: solid !important;
  background: #f7768e0e !important;
  color: #f7768e !important;
  box-shadow: 0 0 10px rgba(247, 118, 142, 0.25);
}
.lv-node.lv-error .lv-node-label::after {
  content: ' ✗';
  font-size: 10px;
}

/* ── Node label ── */
.lv-node-label {
  display: block;
  text-align: center;
  line-height: 1.2;
  pointer-events: none;
  font-size: inherit;
}

/* ── Hovered node rises above siblings so tooltip paints on top ── */
.lv-node:hover {
  z-index: 10;
}

/* ── Hover detail tooltip ── */
.lv-node-detail {
  display: none;
  position: absolute;
  top: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a2e;
  border: 1px solid #2a2a4a;
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 10px;
  color: #565f89;
  white-space: nowrap;
  z-index: 20;
  font-weight: 400;
  pointer-events: none;
}
.lv-node:hover .lv-node-detail {
  display: block;
}

/* ── Stage column labels (SVG text via class) ── */
.lv-stage-label {
  font-family: 'Fira Code', Menlo, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
  fill-opacity: 0.75;
}

/* ── SVG arrows ── */
.lv-arrow {
  stroke: #2e2e50;
  stroke-width: 1.5;
  fill: none;
  transition: stroke 0.25s;
  marker-end: url(#lv-ah);
}

/* Alternate-path arrows (above/below/loopback) — dashed */
.lv-arrow.lv-arrow-alt {
  stroke-dasharray: 5, 3;
  stroke: #252542;
}

.lv-arrow.lv-arrow-active {
  stroke: #7dcfff;
  stroke-width: 2;
}
.lv-arrow.lv-arrow-active.lv-arrow-alt {
  stroke: #7dcfff;
}

.lv-arrow.lv-arrow-done {
  stroke: #9ece6a;
}
.lv-arrow.lv-arrow-done.lv-arrow-alt {
  stroke: #9ece6a90;
}

/* Optimizer arrows — very dim */
.lv-arrow.lv-arrow-opt {
  stroke: #9ece6a28;
  stroke-width: 1;
  stroke-dasharray: 4, 3;
}

/* ── Arrow labels ── */
.lv-arrow-label {
  font-family: 'Fira Code', Menlo, monospace;
  font-size: 9px;
  fill: #38385a;
  font-style: italic;
  pointer-events: none;
}
.lv-arrow-label.lv-arrow-label-active {
  fill: #7dcfff90;
}
.lv-arrow-label.lv-arrow-label-opt {
  fill: #9ece6a40;
  font-style: normal;
}

/* ── Empty state hint ── */
.loop-visual-hint {
  color: #565f89;
  text-align: center;
  padding: 60px 20px;
  font-size: 13px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  white-space: nowrap;
}

/* ── Page summary bar (pinned bottom of graph area) ── */
.lv-page-summary {
  position: sticky;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  gap: 16px;
  background: #1a1a2e;
  border: 1px solid #2a2a4a;
  border-radius: 6px;
  padding: 5px 18px;
  font-size: 11px;
  color: #565f89;
  z-index: 10;
  white-space: nowrap;
  font-family: 'Fira Code', Menlo, monospace;
  margin: 0 auto;
  align-self: center;
}
.lv-page-summary .lv-summary-label {
  color: #a9b1d6;
  font-weight: 600;
  margin-right: 4px;
}

/* ── Legend ── */
#loop-visual-legend {
  display: flex;
  gap: 14px;
  padding: 2px 0;
  font-size: 10px;
  color: #565f89;
  align-items: center;
  margin-left: auto;
  font-family: 'Fira Code', Menlo, monospace;
}
#loop-visual-legend .lv-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
#loop-visual-legend .lv-legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  display: inline-block;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   TOOL PANEL (node click popup)
   ═══════════════════════════════════════════════ */

.lv-tool-panel {
  position: absolute;
  z-index: 30;
  background: #12122a;
  border: 1px solid #2a2a50;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.3);
  font-family: 'Fira Code', Menlo, monospace;
  font-size: 11px;
  overflow: hidden;
  animation: lv-panel-in 0.12s ease;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* Overlay mode — panel covers the viewport via fixed positioning.
   fixed avoids all ancestor overflow/stacking-context clipping issues. */
.lv-tool-panel.lv-panel-overlay {
  position: fixed;
  inset: 0;
  width: auto;
  max-height: none;
  border-radius: 0;
  z-index: 9999;
  overflow-y: auto;
}

@keyframes lv-panel-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lv-tool-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 7px;
  border-bottom: 1px solid #1e1e3a;
  background: #1a1a38;
  flex-shrink: 0;
}

.lv-tool-panel-title {
  font-size: 11px;
  font-weight: 700;
  color: #c0caf5;
  letter-spacing: 0.03em;
}

.lv-tool-panel-close {
  background: none;
  border: none;
  color: #3a3a60;
  cursor: pointer;
  font-size: 11px;
  padding: 0 2px;
  line-height: 1;
  transition: color 0.1s;
  font-family: inherit;
}
.lv-tool-panel-close:hover { color: #a9b1d6; }

.lv-tool-panel-list {
  overflow-y: auto;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  scrollbar-width: thin;
  scrollbar-color: #2a2a4a transparent;
}

.lv-tool-panel-empty {
  padding: 10px 14px;
  color: #3a3a60;
  font-size: 10px;
  text-align: center;
  font-style: italic;
}

.lv-tool-loading {
  color: #2e2e52;
}

/* ── Section divider labels (Built-in / Your Skills) ── */
.lv-tool-section-label {
  padding: 5px 12px 3px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2e2e52;
  border-top: 1px solid #181830;
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lv-tool-section-label:first-of-type {
  border-top: none;
  margin-top: 0;
}

.lv-tool-section-live {
  color: #9ece6a50;
}

/* Animated green dot for live sections */
.lv-live-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #9ece6a;
  animation: lv-pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes lv-pulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}

/* ── Tool item ── */
.lv-tool-item {
  padding: 6px 8px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: #0e0e22;
  transition: background 0.1s, border-color 0.1s;
  cursor: default;
}
.lv-tool-item:hover {
  background: #16162e;
  border-color: #2a2a48;
}

.lv-tool-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.lv-tool-name {
  font-size: 11px;
  font-weight: 600;
  color: #a9b1d6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lv-tool-desc {
  font-size: 10px;
  color: #3e3e62;
  line-height: 1.4;
  font-family: inherit;
}

/* ── Type badges ── */
.lv-tool-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  text-transform: uppercase;
}

.lv-badge-command {
  background: #7dcfff18;
  color: #7dcfff;
  border: 1px solid #7dcfff40;
}

.lv-badge-tool {
  background: #a9b1d618;
  color: #565f89;
  border: 1px solid #2a2a4a;
}

.lv-badge-guarded {
  background: #f7768e18;
  color: #f7768e;
  border: 1px solid #f7768e40;
}

.lv-badge-admin {
  background: #bb9af718;
  color: #bb9af7;
  border: 1px solid #bb9af740;
}

.lv-badge-skill {
  background: #9ece6a18;
  color: #9ece6a;
  border: 1px solid #9ece6a40;
}

/* Colored left edge per type */
.lv-tool-item.lv-tool-command { border-left: 2px solid #7dcfff30; }
.lv-tool-item.lv-tool-guarded { border-left: 2px solid #f7768e40; }
.lv-tool-item.lv-tool-admin   { border-left: 2px solid #bb9af740; }
.lv-tool-item.lv-tool-tool    { border-left: 2px solid #2a2a4a; }
.lv-tool-item.lv-tool-skill   { border-left: 2px solid #9ece6a40; }

.lv-tool-item.lv-tool-command:hover { border-left-color: #7dcfff80; }
.lv-tool-item.lv-tool-guarded:hover { border-left-color: #f7768e80; }
.lv-tool-item.lv-tool-admin:hover   { border-left-color: #bb9af780; }
.lv-tool-item.lv-tool-skill:hover   { border-left-color: #9ece6a80; }

/* ── Build Prompt payload viewer ── */
.lv-bp-meta {
  padding: 4px 12px 6px;
  font-size: 9px;
  color: #7dcfff;
  opacity: 0.7;
  letter-spacing: 0.04em;
}

.lv-bp-prompt {
  margin: 0 8px 8px;
  padding: 8px 10px;
  background: #0d0d1f;
  border: 1px solid #2a2a4a;
  border-radius: 5px;
  font-size: 9px;
  line-height: 1.55;
  color: #a9b1d6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-y: auto;
  max-height: 200px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   LIGHT MODE
   ═══════════════════════════════════════════════ */

body.light-mode .lv-stage-label {
  fill-opacity: 0.90;
}

body.light-mode #loop-visual-container,
body.light-mode #loop-visual-graph-area {
  background: #f5f5f5;
}

body.light-mode #loop-visual-toolbar {
  background: #ebebeb;
  border-color: #d8d8d8;
}

body.light-mode .lv-node {
  background: #f0f0f8;
  border-color: #ccccdd;
  color: #888899;
}
body.light-mode .lv-node.lv-type-input  { background: #e8f5ff; border-color: #aaddff; color: #4499cc; }
body.light-mode .lv-node.lv-type-output { background: #eeffee; border-color: #aaddaa; color: #449944; }
body.light-mode .lv-node.lv-type-llm    { background: #f5eeff; border-color: #cc99ff; color: #7744cc; }
body.light-mode .lv-node.lv-type-guard  { background: #fff8ee; border-color: #ffcc88; color: #cc8844; }

body.light-mode .lv-node.lv-active {
  border-color: #2288cc !important;
  background: #e0f0ff !important;
  color: #2288cc !important;
  box-shadow: 0 0 10px rgba(34,136,204,0.25);
}
body.light-mode .lv-node.lv-done {
  border-color: #44aa44 !important;
  background: #eeffee !important;
  color: #44aa44 !important;
}
body.light-mode .lv-node.lv-error {
  border-color: #cc4455 !important;
  background: #ffeeee !important;
  color: #cc4455 !important;
}

body.light-mode .lv-page-summary {
  background: #ebebeb;
  border-color: #ccccdd;
  color: #888899;
}
body.light-mode .lv-page-summary .lv-summary-label {
  color: #555566;
}
body.light-mode .lv-node-detail {
  background: #ebebeb;
  border-color: #ccccdd;
  color: #888899;
}

/* ── Tool panel (info overlay) ── */
body.light-mode .lv-tool-panel {
  background: #ffffff;
  border-color: #dde0f0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
}
body.light-mode .lv-tool-panel-header {
  background: #f0f2fa;
  border-bottom-color: #dde0f0;
}
body.light-mode .lv-tool-panel-title   { color: #3d4270; }
body.light-mode .lv-tool-panel-close   { color: #9a9ab0; }
body.light-mode .lv-tool-panel-close:hover { color: #3d4270; }

body.light-mode .lv-tool-panel-list {
  scrollbar-color: #ccccdd transparent;
}
body.light-mode .lv-tool-panel-empty  { color: #9090a8; }
body.light-mode .lv-tool-loading      { color: #aaaacc; }

body.light-mode .lv-tool-section-label {
  color: #9090b0;
  border-top-color: #e8eaf4;
}
body.light-mode .lv-tool-section-live  { color: #44aa4480; }

body.light-mode .lv-tool-item          { background: #f5f6fa; }
body.light-mode .lv-tool-item:hover    { background: #eeeef8; border-color: #dde0f0; }

body.light-mode .lv-tool-name  { color: #3d4270; }
body.light-mode .lv-tool-desc  { color: #7a7a9a; }

body.light-mode .lv-badge-command { background: #e8f4ff; color: #2277aa; border-color: #99ccee; }
body.light-mode .lv-badge-tool    { background: #eeeff5; color: #666688; border-color: #ccccdd; }
body.light-mode .lv-badge-guarded { background: #fff0f2; color: #cc3344; border-color: #ffaab0; }
body.light-mode .lv-badge-admin   { background: #f5f0ff; color: #7744cc; border-color: #ccaeff; }
body.light-mode .lv-badge-skill   { background: #f0fff4; color: #22863a; border-color: #c3e6cb; }

body.light-mode .lv-tool-item.lv-tool-command { border-left-color: #77bbdd60; }
body.light-mode .lv-tool-item.lv-tool-guarded { border-left-color: #ee556660; }
body.light-mode .lv-tool-item.lv-tool-admin   { border-left-color: #9977dd60; }
body.light-mode .lv-tool-item.lv-tool-tool    { border-left-color: #ccccdd; }
body.light-mode .lv-tool-item.lv-tool-skill   { border-left-color: #44aa4460; }

body.light-mode .lv-bp-meta   { color: #4488bb; }
body.light-mode .lv-bp-prompt {
  background: #f5f6fa;
  border-color: #dde0f0;
  color: #4d5080;
}