.llm-node {
  position: relative;
  width: 280px;
  user-select: none;
  -webkit-user-select: none;
  border-radius: 16px;
  border: 1px solid #dbe2ea;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
  overflow: visible;
  color: #0f172a;
}

.llm-node__focus-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: rgba(15, 23, 42, 0.36);
  backdrop-filter: blur(10px) saturate(0.8);
}

.llm-node.llm-node--focus {
  position: fixed;
  inset: 0;
  margin: auto;
  z-index: 9991;
  width: 280px;
  max-width: calc(100vw - 32px);
  height: fit-content;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.34);
}

:host.llm-node-readonly,
:host.llm-node-readonly * {
  cursor: default !important;
}

:host.selected .llm-node {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.24), 0 12px 28px rgba(15, 23, 42, 0.16);
}

:host.validation-highlighted .llm-node {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18), 0 14px 28px rgba(127, 29, 29, 0.18);
}

.llm-delete-overlay {
  position: absolute;
  inset: 0;
  z-index: 135;
  border-radius: 16px;
  background: rgba(148, 163, 184, 0.38);
  backdrop-filter: grayscale(1) saturate(0.2);
}

.llm-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(248, 250, 252, 0.68);
  backdrop-filter: blur(2px);
  border-radius: 16px;
}

.llm-loading-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.16);
}

.llm-params-shell {
  position: relative;
  min-height: 110px;
  overflow: hidden;
  border-radius: 0 0 16px 16px;
}

.llm-skeleton-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 14px;
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.82);
  backdrop-filter: blur(1px);
}

.llm-skeleton-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.llm-skeleton-line,
.llm-skeleton-pill {
  position: relative;
  overflow: hidden;
  background: #e2e8f0;
}

.llm-skeleton-line::after,
.llm-skeleton-pill::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
  animation: llm-skeleton-shimmer 1.1s ease-in-out infinite;
}

.llm-skeleton-line {
  height: 12px;
  border-radius: 999px;
}

.llm-skeleton-line-title {
  width: 62%;
  margin-top: 6px;
}

.llm-skeleton-line-short {
  width: 38%;
}

.llm-skeleton-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.llm-skeleton-pill {
  height: 54px;
  border-radius: 12px;
}

.llm-skeleton-pill-wide {
  grid-column: 1 / -1;
  height: 76px;
}

@keyframes llm-skeleton-shimmer {
  to {
    transform: translateX(100%);
  }
}

.llm-spinner {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid rgba(37, 99, 235, 0.2);
  border-top-color: #2563eb;
  animation: llm-spin 0.75s linear infinite;
}

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

.llm-node--human {
  border-color: #f7d7a7;
  background: linear-gradient(180deg, #fffdf9 0%, #fff7ed 100%);
  box-shadow: 0 10px 24px rgba(124, 45, 18, 0.14);
  color: #431407;
}

.llm-node-error {
  border: 2px solid #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2), 0 10px 24px rgba(15, 23, 42, 0.12);
}

.llm-node-warning {
  border: 2px solid #eab308;
  box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.22), 0 10px 24px rgba(15, 23, 42, 0.12);
}

.llm-warning-alert-wrap {
  left: -12px;
}

.llm-node-id {
  margin-top: 2px;
  font-size: 9px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.78);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.llm-lane-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  padding: 1px 7px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.92);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  width: fit-content;
}

.llm-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid #e8edf4;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}

.llm-node--human .llm-header {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  border-bottom-color: #fdba74;
}

.llm-node--human .llm-icon {
  color: #fffbeb;
}

.llm-node--human .llm-title {
  color: #fffbeb;
}

.llm-node--human .llm-subtitle {
  color: #fff7ed;
}

.llm-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.llm-icon-image {
  width: 24px;
  height: 16px;
  object-fit: contain;
}

.llm-header-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.llm-subtitle-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.llm-header-actions {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

.llm-delete-confirm {
  position: absolute;
  top: calc(100% + 8px);
  right: 32px;
  z-index: 145;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #fecaca;
  border-radius: 10px;
  background: #fff1f2;
  color: #7f1d1d;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
  white-space: nowrap;
  filter: none;
}

.llm-delete-confirm-text {
  font-size: 11px;
  font-weight: 700;
}

.llm-delete-confirm-cancel,
.llm-delete-confirm-action {
  border: 0;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.llm-delete-confirm-cancel {
  background: rgba(255, 255, 255, 0.88);
  color: #7f1d1d;
  border: 1px solid #fecaca;
}

.llm-delete-confirm-action {
  background: #dc2626;
  color: #fff7ed;
}

.llm-warning {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid #fecaca;
  background: #dc2626;
  color: #fff7ed;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  box-shadow: 0 0 0 2px rgba(127, 29, 29, 0.18);
}

.llm-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #eff6ff;
}

.llm-subtitle {
  font-size: 11px;
  color: #dbeafe;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.llm-name-edit-btn {
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: #eff6ff;
  border-radius: 999px;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.15s ease;
}

.llm-name-edit-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.llm-warning-wrap {
  position: relative;
  margin-left: 0;
}

.llm-delete-btn {
  position: relative;
  z-index: 146;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(185, 28, 28, 0.45);
  background: rgba(127, 29, 29, 0.2);
  color: #fff1f2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.llm-clone-btn {
  position: relative;
  z-index: 146;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(191, 219, 254, 0.7);
  background: rgba(30, 64, 175, 0.18);
  color: #eff6ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.llm-delete-btn:hover {
  background: rgba(127, 29, 29, 0.35);
}

.llm-warning-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  max-width: 240px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: #fff1f2;
  color: #7f1d1d;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
  padding: 8px;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.llm-warning-wrap:hover .llm-warning-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.llm-warning-title {
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
}

.llm-warning-item {
  font-size: 11px;
}

.llm-bias-badge-wrap {
  position: relative;
  margin-left: 0;
}

.llm-bias-badge {
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  border: 1px solid #ddd6fe;
  background: #7c3aed;
  color: #f5f3ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(76, 29, 149, 0.18);
}

.llm-bias-badge-wrap-probe .llm-bias-badge {
  background: #4c1d95;
  border-color: #c4b5fd;
  box-shadow: 0 0 0 2px rgba(76, 29, 149, 0.32);
}

.llm-bias-badge-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  max-width: 260px;
  border: 1px solid #ddd6fe;
  border-radius: 8px;
  background: #f5f3ff;
  color: #4c1d95;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
  padding: 8px;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.llm-bias-badge-wrap:hover .llm-bias-badge-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.llm-bias-badge-title {
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
}

.llm-bias-badge-item {
  font-size: 11px;
}


.llm-body {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.llm-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.llm-column-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
}

.llm-column-title-right {
  text-align: right;
}

.llm-row {
  display: grid;
  align-items: center;
  min-height: 34px;
  min-width: 0;
}

.llm-row-input {
  grid-template-columns: 16px 1fr;
  gap: 6px;
}

.llm-row-output {
  grid-template-columns: 1fr 16px;
  gap: 6px;
}

.llm-socket {
  position: relative;
  z-index: 20;
}

.llm-socket-right {
  justify-self: end;
}

.llm-pill {
  min-height: 32px;
  width: 100%;
  max-width: 100%;
  border-radius: 7px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  box-sizing: border-box;
}

.llm-pill-meta {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  overflow: hidden;
}

.llm-pill-meta-output {
  align-items: flex-end;
}

.llm-pill-name {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.llm-pill-kind,
.llm-pill-kind-select {
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  opacity: 0.86;
}

.llm-pill-input {
  justify-content: flex-start;
  color: #166534;
  background: #ecfdf3;
  border-color: #bbf7d0;
  gap: 4px;
  overflow: hidden;
}

.llm-node--human .llm-pill-input {
  color: #7c2d12;
  background: #ffedd5;
  border-color: #fed7aa;
}

.llm-node--human .llm-pill-output {
  color: #9f1239;
  background: #fff1f2;
  border-color: #fecdd3;
}

.llm-pill-output {
  justify-content: flex-end;
  color: #9f1239;
  background: #fff1f2;
  border-color: #fecdd3;
}

.llm-pill-output-true {
  color: #166534;
  background: #ecfdf3;
  border-color: #bbf7d0;
}

.llm-pill-output-false {
  color: #9f1239;
  background: #fff1f2;
  border-color: #fecdd3;
}

.llm-pill-dependency-input {
  color: #92400e;
  background: #fff7ed;
  border-color: #fed7aa;
}

.llm-pill-dependency-output {
  color: #1d4ed8;
  background: #eff6ff;
  border-color: #bfdbfe;
}

.llm-pill-kind-select {
  max-width: 88px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.72);
  color: inherit;
  padding: 1px 16px 1px 4px;
  cursor: pointer;
  appearance: auto;
}

.llm-input-info {
  border: none;
  background: transparent;
  color: #166534;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: help;
  flex-shrink: 0;
}

.llm-input-info-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.llm-input-tooltip {
  position: absolute;
  left: calc(100% + 6px);
  top: 50%;
  transform: translateY(-50%);
  min-width: 140px;
  max-width: 260px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
  font-size: 11px;
  line-height: 1.3;
  padding: 6px 8px;
  white-space: pre-wrap;
  word-break: break-word;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.llm-input-info-wrap:hover .llm-input-tooltip,
.llm-input-info-wrap:focus-within .llm-input-tooltip {
  opacity: 1;
  visibility: visible;
}

.llm-params {
  margin: 0 12px 12px;
  padding: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.llm-params-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.llm-param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.llm-param-groups {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.llm-param-fieldset {
  margin: 0;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 0;
  background: transparent;
}

.llm-param-legend {
  margin: 0;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 700;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: table;
  max-width: 100%;
  white-space: nowrap;
  float: none;
  width: auto;
  margin-bottom: 0;
}

.llm-params-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.llm-params-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #64748b;
}

.llm-param-chip {
  border: 1px solid #dbeafe;
  background: #eff6ff;
  border-radius: 8px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.llm-param-chip-root {
  grid-column: 1 / -1;
}

.llm-param-chip-disabled {
  opacity: 0.58;
}

.llm-param-chip-wide {
  grid-column: 1 / -1;
}

.llm-param-chip-boolean {
  padding-top: 5px;
  padding-bottom: 5px;
}

.llm-param-row-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.llm-edit-btn {
  border: none;
  background: transparent;
  color: #64748b;
  border-radius: 999px;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
}

.llm-edit-btn:hover {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

.llm-edit-btn:active {
  transform: translateY(0);
}

.llm-edit-btn:disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.llm-bool-toggle {
  position: relative;
  width: 34px;
  height: 20px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  background: #dbeafe;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.llm-bool-toggle-on {
  background: #2563eb;
  border-color: #2563eb;
}

.llm-bool-toggle:disabled {
  opacity: 0.45;
  cursor: default;
}

.llm-bool-toggle-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.2);
  transition: transform 0.15s ease;
}

.llm-bool-toggle-on .llm-bool-toggle-thumb {
  transform: translateX(14px);
}

.llm-param-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.llm-param-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid #dbe2ea;
  background: #ffffff;
  border-radius: 8px;
  padding: 6px 8px;
}

.llm-param-key {
  flex-shrink: 0;
}

.llm-param-key-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  line-height: 1.15;
}

/* An optional group is one control, not a box of fields: it reads as a chip but behaves as a
   button, and says how many of its settings are set so a collapsed group never hides a choice. */
.llm-optional-group {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.llm-optional-group:hover:not(:disabled) {
  border-color: #94a3b8;
  background: #f8fafc;
}

.llm-optional-group:disabled {
  cursor: default;
}

.llm-optional-group .llm-param-key {
  flex: 1 1 auto;
  min-width: 0;
}

.llm-optional-group-count {
  flex: 0 0 auto;
  padding: 1px 7px;
  border-radius: 999px;
  background: #e0e7ff;
  color: #3730a3;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.llm-optional-group-icon {
  flex: 0 0 auto;
  color: #64748b;
  font-size: 12px;
}