/*
 * SPDX-FileCopyrightText: 2025-2026 Lucio Lelii <lucio.lelii@isti.cnr.it> - ISTI-CNR
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * Attribution term under AGPL-3.0 section 7(b): see LICENSE-ADDENDUM.
 */

.container-node {
  position: relative;
  width: 340px;
  user-select: none;
  -webkit-user-select: none;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  color: #0f172a;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
  /* Ports deliberately project beyond the card edge, like Generic nodes; clipping hides them. */
  overflow: visible;
}

.container-node__tab {
  position: absolute;
  left: 14px;
  bottom: 100%;
  z-index: 31;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 23px;
  padding: 0 10px;
  border: 1px solid #99d8d0;
  border-bottom: 0;
  border-radius: 9px 9px 0 0;
  background: #ecfdfb;
  color: #0f766e;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 -4px 10px rgba(15, 118, 110, 0.1);
}

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

.container-node.container-node--focus {
  position: fixed;
  inset: 0;
  margin: auto;
  z-index: 9991;
  width: 340px;
  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, 0.36);
}

.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);
}

.container-node__params-shell {
  position: relative;
  min-height: 110px;
  overflow: hidden;
  border-radius: 0 0 18px 18px;
}

.container-node__skeleton-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 14px;
  border-radius: 0 0 18px 18px;
  background: rgba(248, 250, 252, 0.82);
  backdrop-filter: blur(1px);
}

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

.container-node__skeleton-line,
.container-node__skeleton-pill {
  position: relative;
  overflow: hidden;
  background: #dbe4ee;
}

.container-node__skeleton-line::after,
.container-node__skeleton-pill::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.72), transparent);
  animation: container-node__skeleton-shimmer 1.1s ease-in-out infinite;
}

.container-node__skeleton-line {
  height: 12px;
  border-radius: 999px;
}

.container-node__skeleton-line-title {
  width: 62%;
  margin-top: 6px;
}

.container-node__skeleton-line-short {
  width: 38%;
}

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

.container-node__skeleton-pill {
  height: 54px;
  border-radius: 12px;
}

.container-node__skeleton-pill-wide {
  grid-column: 1 / -1;
  height: 76px;
}

@keyframes container-node__skeleton-shimmer {
  to {
    transform: translateX(100%);
  }
}

:host.selected .container-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.selected .container-node__tab {
  border-color: #60a5fa;
  background: #eff6ff;
  color: #1d4ed8;
}

:host.validation-highlighted .container-node {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18), 0 18px 38px rgba(127, 29, 29, 0.16);
}

:host.validation-highlighted .container-node__tab {
  border-color: #f87171;
  background: #fff1f2;
  color: #b91c1c;
}

.container-node__lane-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  padding: 1px 7px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #f8fafc;
  color: #475569;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  width: fit-content;
}

.container-node__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-bottom: 1px solid #e8eef6;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #f5f9ff 100%);
  color: #0f172a;
}

.container-node__icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 19px;
}

.container-node__titles {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.container-node__name {
  font-size: 14px;
  font-weight: 600;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.container-node__name-edit {
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: transparent;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  opacity: 0;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}

.container-node:hover .container-node__name-edit {
  opacity: 1;
}

.container-node__name-edit:hover {
  background: #eff6ff;
  color: #1d4ed8;
}

.container-node__delete,
.container-node__focus,
.container-node__settings {
  border: 0;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: #64748b;
  font-size: 13px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.container-node__settings--active {
  background: #dbeafe;
  color: #1d4ed8;
}

.container-node__clone {
  border: 0;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: #64748b;
  font-size: 13px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.container-node__focus:hover,
.container-node__settings:hover,
.container-node__clone:hover {
  background: #eff6ff;
  color: #1d4ed8;
}

.container-node__delete:hover {
  background: #fef2f2;
  color: #dc2626;
}

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

.container-node__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);
}

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

.container-node__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;
}

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

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

.container-node__bias-badge-item {
  font-size: 11px;
}

.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: 10px;
  padding: 12px;
}

.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: grid;
  align-items: center;
  grid-template-columns: 0 minmax(0, 1fr);
  min-width: 0;
  min-height: 36px;
  margin-bottom: 8px;
}

.container-node__port-row--right {
  grid-template-columns: minmax(0, 1fr) 0;
}

.container-node__port-label {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1 1 0;
  min-width: 0;
  min-height: 32px;
  padding: 4px 8px;
  border-radius: 7px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 600;
  box-sizing: border-box;
  overflow: hidden;
}

.container-node__port-label--input {
  background: #ecfdf3;
  color: #166534;
  border-color: #bbf7d0;
}

.container-node__port-label--output {
  background: #fff1f2;
  color: #9f1239;
  border-color: #fecdd3;
  align-items: flex-end;
  text-align: right;
}

.container-node__port-label--dependency-input {
  background: #fff7ed;
  color: #92400e;
  border-color: #fed7aa;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.container-node__port-label--dependency-output {
  background: #eff6ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.container-node__port-context {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 9px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #64748b;
}

.container-node__port-name {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.1;
}

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

.container-node__params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 14px 14px;
}

.container-node__params--grouped {
  padding: 0;
}

.container-node__param-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
  grid-column: 1 / -1;
}

.container-node__param-fieldset {
  grid-column: 1 / -1;
  margin: 0 14px;
  padding: 12px;
  border: 1px solid #dbe2ea;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.container-node__param-legend {
  padding: 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #475569;
}

.container-node__param-chip {
  min-width: 0;
  border: 1px solid #dbe2ea;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  padding: 8px 10px;
}

.container-node__param-chip--root {
  grid-column: 1 / -1;
}

.container-node__param-chip--disabled {
  opacity: 0.58;
}

.container-node__param-chip--wide {
  grid-column: 1 / -1;
}

.container-node__param-chip--boolean {
  padding-top: 6px;
  padding-bottom: 6px;
}

.container-node__param-chip--boolean .container-node__param-head {
  margin-bottom: 0;
}

.container-node__param-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.container-node__param-key {
  min-width: 0;
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.container-node__bool-toggle {
  position: relative;
  width: 34px;
  height: 20px;
  border: 1px solid #99f6e4;
  border-radius: 999px;
  background: #ccfbf1;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.container-node__bool-toggle--on {
  background: #0f766e;
  border-color: #0f766e;
}

.container-node__bool-toggle:disabled {
  opacity: 0.45;
  cursor: default;
}

.container-node__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;
}

.container-node__bool-toggle--on .container-node__bool-toggle-thumb {
  transform: translateX(14px);
}

.container-node__param-value {
  display: block;
  min-width: 0;
  font-size: 12px;
  color: #0f172a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.container-node__param-value--clamped {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: pre-wrap;
  word-break: break-word;
}

.container-node__param-edit {
  border: 0;
  background: transparent;
  color: #0f766e;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.container-node__param-edit:hover {
  background: rgba(15, 118, 110, 0.12);
}

.container-node__param-edit:disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}


.container-node__dropzone {
  margin: 0 14px 14px;
  min-height: 128px;
  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__dropzone--filled {
  border-style: solid;
}

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

.container-node__dropzone-title {
  align-self: center;
  max-width: 100%;
  font-size: 17px;
  line-height: 1.2;
  font-weight: 900;
  color: #db2777;
  text-align: center;
  overflow-wrap: anywhere;
}

.container-node__dropzone-description {
  max-width: 320px;
  align-self: center;
  font-size: 12px;
  line-height: 1.45;
  font-weight: 600;
  color: #334155;
  text-align: center;
}

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

.container-node__dropzone-actions {
  display: flex;
  justify-content: center;
  margin-top: 2px;
  gap: 10px;
  flex-wrap: wrap;
}

.container-node__import,
.container-node__subflow-view {
  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;
}

.container-node__import {
  box-shadow: 0 10px 18px rgba(15, 118, 110, 0.18);
}

.container-node__dropzone-empty {
  font-size: 14px;
}

.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);
  }
}

/* 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. */
.container-node__optional-group {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.container-node__optional-group:disabled {
  cursor: default;
}

.container-node__optional-group .container-node__param-key {
  flex: 1 1 auto;
  min-width: 0;
}

.container-node__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;
}

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