.container-node {
  position: relative;
  width: 340px;
  border: 1px solid #cbd5e1;
  border-radius: 18px;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  color: #0f172a;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.14);
  overflow: hidden;
}

.container-node__delete-overlay {
  position: absolute;
  inset: 0;
  z-index: 12;
  border-radius: 18px;
  background: rgba(148, 163, 184, 0.38);
  backdrop-filter: grayscale(1) saturate(0.2);
}

:host.selected .container-node {
  border-color: #0f766e;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18), 0 16px 36px rgba(15, 23, 42, 0.18);
}

.container-node__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(135deg, #0f766e 0%, #0f766e 45%, #0ea5e9 100%);
  color: #f8fafc;
}

.container-node__icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.26);
  font-size: 16px;
}

.container-node__titles {
  min-width: 0;
  flex: 1;
}

.container-node__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.86;
}

.container-node__name {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.container-node__delete {
  border: 0;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #f8fafc;
}

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

.container-node__warning-wrap {
  position: relative;
}

.container-node__warning {
  width: 26px;
  height: 26px;
  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 3px rgba(127, 29, 29, 0.2);
}

.container-node__warning-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  max-width: 320px;
  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: 13;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

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

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

.container-node__warning-item {
  font-size: 11px;
  line-height: 1.3;
}

.container-node__delete-confirm {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 14;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #fecaca;
  background: #fff1f2;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.22);
}

.container-node__delete-confirm-text {
  font-size: 12px;
  font-weight: 700;
  color: #7f1d1d;
}

.container-node__delete-confirm-cancel,
.container-node__delete-confirm-action {
  border: 0;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 700;
}

.container-node__delete-confirm-cancel {
  background: #ffffff;
  color: #7f1d1d;
}

.container-node__delete-confirm-action {
  background: #dc2626;
  color: #ffffff;
}

.container-node__ports {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 14px;
}

.container-node__port-title {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
}

.container-node__port-column--right .container-node__port-title {
  text-align: right;
}

.container-node__port-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.container-node__port-row--right {
  justify-content: flex-end;
}

.container-node__port-label {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 36px;
  padding: 4px 10px;
  border-radius: 14px;
  background: #e2e8f0;
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
}

.container-node__port-context {
  font-size: 9px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #64748b;
}

.container-node__port-name {
  line-height: 1.1;
}

.container-node__port-kind {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #475569;
}

.container-node__dropzone {
  margin: 0 14px 14px;
  min-height: 152px;
  border: 2px dashed #94a3b8;
  border-radius: 18px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  background:
    linear-gradient(135deg, rgba(240, 253, 250, 0.9) 0%, rgba(239, 246, 255, 0.95) 100%);
  text-align: center;
}

.container-node__snapshot {
  position: relative;
  width: 100%;
  height: 74px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(226, 232, 240, 0.56) 100%);
  overflow: hidden;
}

.container-node__snapshot::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 18px 18px;
}

.container-node__snapshot-node {
  position: absolute;
  z-index: 1;
  display: block;
  border-radius: 5px;
  background: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%);
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.16);
}

.container-node__snapshot-node--container {
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  border-radius: 6px;
}

.container-node__dropzone--active {
  border-color: #0f766e;
  background:
    linear-gradient(135deg, rgba(204, 251, 241, 0.95) 0%, rgba(224, 242, 254, 0.98) 100%);
}

.container-node__dropzone--filled {
  border-style: solid;
}

.container-node__dropzone-main {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
}

.container-node__replace-confirm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.container-node__replace-confirm-text {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
}

.container-node__replace-confirm-note {
  font-size: 12px;
  line-height: 1.45;
  color: #475569;
  max-width: 260px;
}

.container-node__replace-confirm-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.container-node__replace-confirm-cancel,
.container-node__replace-confirm-action {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
}

.container-node__replace-confirm-cancel {
  background: #ffffff;
  color: #0f172a;
  box-shadow: inset 0 0 0 1px #cbd5e1;
}

.container-node__replace-confirm-action {
  background: #0f766e;
  color: #f8fafc;
}

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

.container-node__dropzone-note {
  font-size: 12px;
  line-height: 1.45;
  color: #475569;
}

.container-node__dropzone-actions {
  display: flex;
  justify-content: center;
  margin-top: 2px;
}

.container-node__import {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 116px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  background: #0f766e;
  color: #f8fafc;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 10px 18px rgba(15, 118, 110, 0.18);
}

.container-node__subflow-preview {
  display: grid;
  gap: 8px;
  margin-top: 4px;
  text-align: left;
}

.container-node__subflow-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid rgba(148, 163, 184, 0.38);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
}

.container-node__subflow-chip--container {
  border-color: rgba(14, 165, 233, 0.34);
  background: rgba(224, 242, 254, 0.72);
}

.container-node__subflow-chip-name {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 700;
  color: #0f172a;
}

.container-node__subflow-chip-type {
  font-size: 11px;
  font-weight: 600;
  color: #475569;
  white-space: nowrap;
}

.container-node__subflow-more {
  font-size: 11px;
  font-weight: 700;
  color: #0f766e;
  text-align: center;
}

.container-node__dropzone-empty {
  font-size: 16px;
}

.container-node__subflow-section {
  margin: 0 14px 14px;
  border: 1px solid #dbe2ea;
  border-radius: 16px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.96));
}

.container-node__subflow-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.container-node__subflow-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #475569;
}

.container-node__subflow-view {
  border: 1px solid #bae6fd;
  border-radius: 999px;
  background: #f0f9ff;
  color: #0c4a6e;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
}

.container-node__action {
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #ffffff;
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
}

.container-node__message {
  margin: 0 14px 14px;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.45;
}

.container-node__message--error {
  border: 1px solid #fecaca;
  background: #fff1f2;
  color: #991b1b;
}

.container-node__message--warning {
  border: 1px solid #fde68a;
  background: #fefce8;
  color: #854d0e;
}

.container-node__validation-item + .container-node__validation-item {
  margin-top: 8px;
}

.container-node__validation-meta {
  display: block;
  margin-top: 2px;
  opacity: 0.82;
}

.container-node__spinner {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 2px solid rgba(15, 118, 110, 0.2);
  border-top-color: #0f766e;
  animation: container-node-spin 0.75s linear infinite;
}

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