* {
  box-sizing: border-box;
  -webkit-touch-callout: none;
  scrollbar-width: thin;
  scrollbar-color: #2e3e56 rgba(15, 23, 42, 0.4);
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.4);
}

::-webkit-scrollbar-thumb {
  background: #2e3e56;
  border-radius: 4px;
  border: 1px solid rgba(15, 23, 42, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: #476288;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

html,
body {
  margin: 0;
  background: #10151f;
  color: #e7edf7;
  font:
    14px system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  touch-action: pan-x pan-y;
}

button,
input,
select,
textarea {
  border: 1px solid #455775;
  border-radius: 6px;
  background: #26344a;
  color: inherit;
  padding: 7px;
}

input,
textarea {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

button {
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 50px;
  padding: 0 16px;
  background: #141c2b;
  border-bottom: 1px solid #26354b;
  user-select: none;
  -webkit-user-select: none;
  box-sizing: border-box;
}

.toolbar button {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 500;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.toolbar input {
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
  box-sizing: border-box;
  line-height: normal;
}

.toolbar-brand {
  display: flex;
  align-items: center;
  margin-right: 6px;
  font-size: 14.5px;
  color: #f1f5f9;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.device-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.device-status-dot {
  position: absolute;
  left: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  transition: all 0.25s ease;
}

.device-status-dot.status-disconnected {
  background: #64748b;
  box-shadow: 0 0 0 2px rgba(100, 116, 139, 0.2);
}

.device-status-dot.status-connecting {
  background: #facc15;
  box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.35);
  animation: dotBlink 1.2s infinite ease-in-out;
}

.device-status-dot.status-connected {
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.35);
}

.device-status-dot.status-error {
  background: #f87171;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.35);
}

@keyframes dotBlink {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.device-input {
  padding-left: 26px !important;
  width: 290px;
  min-width: 260px;
  height: 32px;
  font-size: 13px;
}

.device-input::placeholder {
  color: #64748b;
  font-size: 12.5px;
}

.token-input {
  width: 120px;
  height: 32px;
  font-size: 13px;
}

.btn-connect {
  font-weight: 600;
  min-width: 60px;
  height: 32px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-connect.is-connected {
  background: rgba(34, 197, 94, 0.18);
  border-color: rgba(34, 197, 94, 0.45);
  color: #4ade80;
}

.toolbar-action-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.toolbar-device-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  box-sizing: border-box;
  border-radius: 6px;
  background: rgba(30, 41, 59, 0.45);
  border: 1px dashed rgba(71, 85, 105, 0.45);
  color: #94a3b8;
  font-size: 12px;
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.toolbar-device-hint:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(96, 165, 250, 0.45);
  color: #e2e8f0;
  transform: translateY(-1px);
}

.toolbar-device-hint:active {
  transform: translateY(0);
}

.toolbar-device-hint b {
  color: #cbd5e1;
  font-weight: 600;
}

.toolbar-device-hint .device-hint-icon {
  font-size: 13px;
  opacity: 0.9;
}

.toolbar-device-hint .device-hint-badge {
  font-size: 11px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 2px;
}

.toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-github-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  box-sizing: border-box;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: #94a3b8;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
  margin-left: 4px;
  flex-shrink: 0;
}

.btn-github-icon:hover {
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.btn-github-icon:active {
  transform: translateY(0);
}

.btn-github-icon .github-svg {
  display: block;
}

.toolbar-layout-group {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #455775;
}

.toolbar-layout-group button {
  border: none;
  border-radius: 0;
  border-right: 1px solid #384c68;
}

.toolbar-layout-group select {
  border: none;
  border-radius: 0;
  background: #1e2a3c;
  color: #93c5fd;
  padding: 7px 8px;
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

main,
#editor-layout {
  display: flex;
  flex-direction: row;
  height: calc(100vh - 52px);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

aside {
  overflow: auto;
  padding: 12px;
  user-select: none;
  -webkit-user-select: none;
}

.palette-panel {
  width: 250px;
  min-width: 170px;
  max-width: 480px;
  flex-shrink: 0;
  background: #131b28;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.palette-header {
  flex-shrink: 0;
  padding: 12px 12px 6px 12px;
  background: #131b28;
  border-bottom: 1px solid #1f2b3e;
  z-index: 5;
}

.palette-header h3 {
  margin: 0 0 6px 0;
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
}

#palette-hint {
  margin: 0 0 6px 0;
}

#palette {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 12px 12px 12px;
}

.inspector-panel {
  width: 320px;
  min-width: 220px;
  max-width: 560px;
  flex-shrink: 0;
  background: #131b28;
}

.center-area {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.resizer {
  background: #1c2636;
  flex-shrink: 0;
  z-index: 10;
  transition: background 0.15s ease;
}

.resizer:hover,
.resizer.resizing {
  background: #3b82f6;
}

.resizer-col {
  width: 6px;
  cursor: col-resize;
  border-left: 1px solid #2b394f;
  border-right: 1px solid #2b394f;
}

.resizer-row {
  height: 6px;
  cursor: row-resize;
  border-top: 1px solid #2b394f;
  border-bottom: 1px solid #2b394f;
}

.console-panel.collapsed + .resizer-row,
.center-area:has(.console-panel.collapsed) .resizer-row {
  cursor: default;
  background: #1c2636;
}

.canvas-wrapper {
  position: relative;
  flex: 1;
  min-height: 120px;
  overflow: hidden;
  display: flex;
}

#canvas {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background-color: #0f172a;
  background-image: radial-gradient(rgba(148, 163, 184, 0.22) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: 0px 0px;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  touch-action: none;
  cursor: grab;
}

#canvas.panning {
  cursor: grabbing !important;
}

/* Bottom Console Panel */
.console-panel {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  height: 220px;
  min-height: 34px;
  max-height: 70vh;
  background: #0f1622;
  border-top: 1px solid #26354b;
  overflow: hidden;
  transition: height 0.18s ease;
}

.console-panel.collapsed {
  height: 34px !important;
  min-height: 34px !important;
}

.console-header {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  background: #182232;
  border-bottom: 1px solid #28374d;
  user-select: none;
  flex-shrink: 0;
}

.console-tabs {
  display: flex;
  gap: 6px;
  align-items: center;
}

.console-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s ease;
}

.console-tab:hover {
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.06);
}

.console-tab.active {
  color: #60a5fa;
  background: #233247;
  border-color: #3b82f6;
}

.tab-badge {
  font-size: 10px;
  font-weight: bold;
  padding: 1px 6px;
  border-radius: 10px;
  background: #334155;
  color: #cbd5e1;
}

.console-tab.active .tab-badge {
  background: #1e40af;
  color: #dbeafe;
}

.console-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.console-action-btn {
  padding: 3px 9px;
  font-size: 11px;
  background: #243144;
  border: 1px solid #3e516d;
  border-radius: 4px;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.15s ease;
}

.console-action-btn:hover {
  background: #33445d;
  color: #ffffff;
}

.console-content {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: #0d131d;
}

.console-panel.collapsed .console-content {
  display: none;
}

.console-tab-pane {
  display: none;
  height: 100%;
  overflow: auto;
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.console-tab-pane.active {
  display: block;
}

.console-output {
  margin: 0;
  color: #cbd5e1;
  font-family: inherit;
  font-size: inherit;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.console-logs-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.log-line {
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.log-time {
  color: #64748b;
  font-size: 11px;
  margin-right: 6px;
  font-family: monospace;
}

.log-info {
  color: #93c5fd;
}

.log-success {
  color: #86efac;
}

.log-warn {
  color: #fde047;
}

.log-error {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.08);
}

#canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  transform-origin: 0 0;
  pointer-events: none;
  will-change: transform;
}

#edges {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  width: 1px;
  height: 1px;
  pointer-events: none;
  z-index: 1;
}

#nodes {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: auto;
  z-index: 2;
}

#edges-selected {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  width: 1px;
  height: 1px;
  pointer-events: none;
  z-index: 10;
}

.node {
  position: absolute;
  width: 240px;
  border: 1px solid #415877;
  border-radius: 8px;
  background: #172233;
  cursor: move;
  z-index: 2;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 缩放时保持卡片实际尺寸稳定，避免自动布局后因内容显隐产生重叠。 */
.canvas-zoom-compact .node-desc-row {
  opacity: 0.72;
}

.canvas-zoom-compact .port span:not(.port-handle) {
  opacity: 0.72;
}

.canvas-zoom-compact .edge {
  stroke-width: 3.5;
}

.canvas-zoom-compact .edge-badge {
  display: none !important;
}

/* 微缩视图仅调整视觉表现，不改变节点的内容高度。 */
.canvas-zoom-micro .node-id-row {
  opacity: 0.6;
}

.canvas-zoom-micro .node {
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.7) !important;
}

.canvas-zoom-micro .node-title {
  font-size: 15px !important;
  font-weight: 700 !important;
}

.canvas-zoom-micro .port-handle {
  width: 12px !important;
  height: 12px !important;
}

.canvas-zoom-micro .edge {
  stroke-width: 5.5 !important;
}

.node.node-entry {
  border-color: #f97316;
  box-shadow: 0 0 14px rgba(249, 115, 22, 0.45), 0 4px 14px rgba(0, 0, 0, 0.4);
}

.node.node-exit {
  border-color: #10b981;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.35), 0 4px 14px rgba(0, 0, 0, 0.4);
}

.node.selected {
  border-color: #60a5fa !important;
  box-shadow: 0 0 0 2px #60a5fa, 0 4px 18px rgba(96, 165, 250, 0.4) !important;
  z-index: 5;
}

.node.node-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 2px #ef4444, 0 4px 16px rgba(239, 68, 68, 0.45) !important;
  z-index: 4;
}

.node.node-error.selected {
  box-shadow: 0 0 0 3px #ef4444, 0 6px 20px rgba(239, 68, 68, 0.6) !important;
}

.node.node-error-flash {
  border-color: #ef4444 !important;
  animation: node-error-flash 1.5s cubic-bezier(0.22, 1, 0.36, 1) !important;
  z-index: 20 !important;
}

@keyframes node-error-flash {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.95);
  }
  20% {
    transform: scale(1.08);
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0.85), 0 0 28px rgba(239, 68, 68, 0.75);
  }
  40% {
    transform: scale(1);
    box-shadow: 0 0 0 12px rgba(239, 68, 68, 0.4), 0 0 32px rgba(239, 68, 68, 0.5);
  }
  60% {
    transform: scale(1.05);
    box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.75), 0 0 20px rgba(239, 68, 68, 0.6);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 3px #ef4444, 0 6px 20px rgba(239, 68, 68, 0.6);
  }
}

@keyframes node-error-pulse {
  0%, 100% {
    box-shadow: 0 0 0 2px #ef4444, 0 4px 16px rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.8), 0 6px 24px rgba(239, 68, 68, 0.6);
  }
}

.required-star {
  display: inline-block;
  color: #f87171;
  font-weight: bold;
  margin-left: 3px;
  font-size: 13px;
  line-height: 1;
  vertical-align: middle;
}

#inspector label .field-label {
  display: inline-flex;
  align-items: center;
  width: 100%;
}

.node header,
.node-header {
  padding: 8px 10px;
  border-radius: 7px 7px 0 0;
  background: #212f45;
  border-bottom: 1px solid #2f4362;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
}

.node-header-row {
  display: flex;
  align-items: center;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.node-title-row {
  justify-content: space-between;
  gap: 6px;
}

.node-title {
  font-size: 13px;
  font-weight: 600;
  color: #f8fafc;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.node-id-row {
  margin-top: 1px;
}

.node-type-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  color: #7dd3fc;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.2px;
}

.node-desc-row {
  margin-top: 2px;
  padding-top: 4px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.node-desc-text {
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
  opacity: 0.85;
}

.node-badges {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.node-badge-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 1.5px 6px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.2px;
}

.node-badge-entry {
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.55), rgba(194, 65, 12, 0.35));
  color: #ffedd5;
  border: 1px solid #fb923c;
  box-shadow: 0 0 8px rgba(249, 115, 22, 0.5);
}

.node-badge-exit {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.45), rgba(16, 185, 129, 0.3));
  color: #a7f3d0;
  border: 1px solid #34d399;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.node-badge-error {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.45), rgba(239, 68, 68, 0.3));
  color: #fecaca;
  border: 1px solid #f87171;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.node-badge-warn {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.45), rgba(245, 158, 11, 0.3));
  color: #fef08a;
  border: 1px solid #fbbf24;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.canvas-controls {
  position: absolute;
  top: 14px;
  right: 18px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(18, 25, 38, 0.9);
  border: 1px solid rgba(75, 99, 133, 0.55);
  border-radius: 8px;
  padding: 4px 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: auto;
  user-select: none;
}

.canvas-control-group {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  background: rgba(30, 42, 60, 0.7);
  border-radius: 6px;
  border: 1px solid rgba(69, 87, 117, 0.5);
  overflow: hidden;
}

.canvas-control-group.layout-control-group {
  overflow: visible;
}

.canvas-control-separator {
  width: 1px;
  height: 18px;
  background: rgba(69, 87, 117, 0.6);
  margin: 0 2px;
}

.canvas-control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  padding: 0 8px;
  background: transparent;
  color: #e2e8f0;
  border: none;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.canvas-control-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  color: #ffffff;
}

.canvas-control-btn.clear-btn {
  font-size: 11.5px;
  color: #f87171;
}

.canvas-control-btn.clear-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fecaca;
}

.layout-picker {
  position: relative;
}

.layout-picker-trigger {
  min-width: 92px;
  gap: 5px;
  color: #bfdbfe;
}

.layout-picker-trigger:hover,
.layout-picker-trigger[aria-expanded="true"] {
  background: rgba(59, 130, 246, 0.2);
  color: #ffffff;
}

.layout-picker-chevron {
  font-size: 13px;
  line-height: 1;
  transition: transform 0.15s ease;
}

.layout-picker-trigger[aria-expanded="true"] .layout-picker-chevron {
  transform: rotate(180deg);
}

.layout-picker-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 60;
  min-width: 156px;
  padding: 5px;
  background: rgba(18, 25, 38, 0.98);
  border: 1px solid rgba(75, 99, 133, 0.8);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.layout-picker-menu[hidden] {
  display: none;
}

.layout-picker-option {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 2px;
  padding: 7px 8px;
  color: #cbd5e1;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.layout-picker-option span {
  font-size: 12px;
  font-weight: 600;
}

.layout-picker-option small {
  font-size: 10px;
  color: #64748b;
}

.layout-picker-option:hover,
.layout-picker-option:focus-visible {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.2);
  outline: none;
}

.layout-picker-option.selected {
  color: #dbeafe;
  background: rgba(37, 99, 235, 0.24);
}

.layout-picker-option.selected small {
  color: #93c5fd;
}

.canvas-control-btn.zoom-btn {
  min-width: 26px;
  padding: 0 7px;
  font-size: 13px;
  font-weight: 600;
}

.canvas-control-btn.zoom-level-btn {
  font-size: 11.5px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-weight: 500;
  min-width: 44px;
  color: #93c5fd;
}

.canvas-control-btn.zoom-fit-btn {
  font-size: 11.5px;
  padding: 0 7px;
  color: #38bdf8;
}

.palette-item-type {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  color: #93c5fd;
  opacity: 0.8;
  margin-left: 4px;
}

.node-badges {
  color: #fbbf24;
  font-size: 11px;
  flex-shrink: 0;
}

.ports {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 8px;
}

.ports-column {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ports-column.in {
  align-items: flex-start;
}

.ports-column.out {
  align-items: flex-end;
  margin-left: auto;
}

.port {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  border-radius: 4px;
  background: rgba(38, 52, 74, 0.7);
  color: #b9d7ff;
  font-size: 11px;
  white-space: nowrap;
  cursor: crosshair;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.port:hover {
  background: #3b5374;
  color: #ffffff;
  border-color: #60a5fa;
}

.port-handle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.port.in .port-handle {
  background: #34d399;
  border: 1.5px solid #1c2636;
}

.port.out .port-handle {
  background: #60a5fa;
  border: 1.5px solid #1c2636;
}

.port.port-compatible {
  border-color: #34d399;
  background: rgba(52, 211, 153, 0.2);
  color: #a7f3d0;
  animation: port-pulse 1.2s infinite ease-in-out;
}

.port.port-hover {
  border-color: #60a5fa;
  background: #2563eb;
  color: #ffffff;
  transform: scale(1.12);
  box-shadow: 0 0 10px rgba(96, 165, 250, 0.8);
}

@keyframes port-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
  }
}

.edge-group {
  pointer-events: stroke;
  cursor: pointer;
}

.edge-hitbox {
  fill: none;
  stroke: transparent;
  stroke-width: 18;
  stroke-linecap: round;
  pointer-events: stroke;
  cursor: pointer;
}

.edge {
  fill: none;
  stroke: #60a5fa;
  stroke-width: 2.5;
  stroke-linecap: round;
  pointer-events: stroke;
  cursor: pointer;
  transition: stroke 0.15s ease, stroke-width 0.15s ease;
}

.edge-badge {
  cursor: pointer;
  user-select: none;
  pointer-events: auto;
}

.edge-badge-bg {
  fill: #182436;
  stroke: #3b82f6;
  stroke-width: 1.5;
  transition: all 0.15s ease;
}

.edge-badge-text {
  fill: #93c5fd;
  font-size: 11px;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  dominant-baseline: central;
  text-anchor: middle;
  alignment-baseline: central;
  pointer-events: none;
}

/* Hover & Selected Red Highlight */
.edge-group.edge-selected {
  filter: drop-shadow(0 0 6px rgba(239, 68, 68, 0.75));
}

.edge-group:hover .edge,
.edge-group.edge-selected .edge {
  stroke: #ef4444;
  stroke-width: 3.5;
}

.edge-group:hover .edge-badge-bg,
.edge-group.edge-selected .edge-badge-bg {
  fill: #7f1d1d;
  stroke: #ef4444;
}

.edge-group:hover .edge-badge-text,
.edge-group.edge-selected .edge-badge-text {
  fill: #fecaca;
}

.edge-group.edge-deleting .edge {
  stroke: #dc2626 !important;
  stroke-width: 4.5 !important;
  animation: edge-delete-flash 0.12s ease-in-out;
}

.edge-group.edge-deleting .edge-badge-bg {
  fill: #dc2626 !important;
  stroke: #f87171 !important;
}

@keyframes edge-delete-flash {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; stroke: #ff0000; }
  100% { opacity: 0; }
}

.edge.dragging-edge {
  stroke: #38bdf8;
  stroke-width: 2.5;
  stroke-dasharray: 6 4;
  pointer-events: none;
  animation: edge-flow 0.6s linear infinite;
}

/* 循环回环虚拟虚线 (Loopback Virtual Edges) */
.edge.edge-loopback {
  stroke: #a855f7;
  stroke-width: 2.4;
  stroke-dasharray: 7 5;
  stroke-linecap: round;
  animation: edge-loopback-flow 1.2s linear infinite;
  transition: stroke 0.15s ease, stroke-width 0.15s ease;
}

@keyframes edge-loopback-flow {
  from {
    stroke-dashoffset: 24;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.edge-group.edge-group-loopback:hover .edge.edge-loopback,
.edge-group.edge-group-loopback.edge-selected .edge.edge-loopback {
  stroke: #c084fc;
  stroke-width: 3.5;
}

.edge-badge-loopback-bg {
  fill: #2e1065;
  stroke: #a855f7;
  stroke-width: 1.5;
  transition: all 0.15s ease;
}

.edge-badge-loopback-text {
  fill: #e9d5ff;
  font-size: 11px;
  font-weight: 600;
}

.edge-group.edge-group-loopback:hover .edge-badge-loopback-bg,
.edge-group.edge-group-loopback.edge-selected .edge-badge-loopback-bg {
  fill: #581c87;
  stroke: #c084fc;
}

.edge-group.edge-group-loopback:hover .edge-badge-loopback-text,
.edge-group.edge-group-loopback.edge-selected .edge-badge-loopback-text {
  fill: #faf5ff;
}

@keyframes edge-flow {
  from {
    stroke-dashoffset: 20;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.palette-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 8px;
}

.palette-search-wrapper input#search {
  width: 100%;
  padding-right: 28px;
  background: #1c2636;
  border: 1px solid #334863;
  color: #e2e8f0;
  transition: all 0.2s ease;
}

.palette-search-wrapper input#search:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Highlight when search input has content */
.palette-search-wrapper input#search.has-value,
.palette-search-wrapper input#search:not(:placeholder-shown) {
  background: #13253d !important;
  border-color: #38bdf8 !important;
  color: #ffffff !important;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.4), 0 0 12px rgba(56, 189, 248, 0.25) !important;
}

.search-clear-btn {
  position: absolute;
  right: 6px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 50%;
  background: #334863;
  border: none;
  color: #cbd5e1;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.search-clear-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

.palette-search-wrapper:has(input#search.has-value) .search-clear-btn,
.palette-search-wrapper:has(input#search:not(:placeholder-shown)) .search-clear-btn {
  display: flex;
}

.filter-active-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 6px;
  padding: 5px 8px;
  margin-bottom: 8px;
  font-size: 11.5px;
  color: #7dd3fc;
}

.filter-clear-link {
  background: transparent;
  border: none;
  padding: 0;
  color: #38bdf8;
  text-decoration: underline;
  cursor: pointer;
  font-size: 11.5px;
}

.filter-clear-link:hover {
  color: #ffffff;
}

.palette-quick-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 8px 6px;
  margin-bottom: 6px;
  border-bottom: 1px solid #233247;
  font-size: 11.5px;
  color: #94a3b8;
}

.palette-total-count {
  font-weight: 500;
  color: #64748b;
}

.palette-toggle-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.quick-link-btn {
  background: transparent;
  border: none;
  padding: 0;
  color: #60a5fa;
  font-size: 11px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.quick-link-btn:hover {
  color: #93c5fd;
  text-decoration: underline;
}

.quick-link-divider {
  color: #334155;
  font-size: 10px;
}

.palette-group {
  margin: 8px 0;
  border: 1px solid #26354a;
  border-radius: 8px;
  background: #101826;
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.palette-group:hover {
  border-color: #384d6b;
}

.palette-group-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: #172233;
  border: none;
  border-bottom: 1px solid transparent;
  color: #e2e8f0;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.palette-group.group-expanded .palette-group-toggle {
  border-bottom-color: #23344d;
  background: #1a273b;
}

.palette-group-toggle:hover {
  background: #20314a;
  color: #ffffff;
}

.group-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}

.group-chevron {
  font-size: 10px;
  color: #60a5fa;
  width: 12px;
  text-align: center;
}

.group-folder-icon {
  font-size: 14px;
}

.group-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-group-count {
  font-size: 10.5px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  background: #2b3d56;
  color: #93c5fd;
  flex-shrink: 0;
}

.palette-group-items {
  display: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.palette-group-items:not(.expanded) {
  display: none !important;
}

.palette-node-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  background: #182333;
  border: 1px solid #28394f;
  color: inherit;
  cursor: pointer;
  text-align: left;
  user-select: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: all 0.15s ease;
}

.palette-node-card:hover {
  background: #223249;
  border-color: #3b82f6;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

.palette-item-start {
  border-color: rgba(249, 115, 22, 0.45);
  background: linear-gradient(180deg, rgba(124, 45, 18, 0.25), rgba(24, 35, 51, 0.95));
}

.palette-item-start:hover {
  border-color: #f97316;
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.4);
}

.palette-item-end {
  border-color: rgba(16, 185, 129, 0.45);
  background: linear-gradient(180deg, rgba(6, 78, 59, 0.22), rgba(24, 35, 51, 0.95));
}

.palette-item-end:hover {
  border-color: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.35);
}

.palette-item-row {
  display: flex;
  align-items: center;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.palette-item-title-row {
  justify-content: space-between;
  gap: 6px;
}

.palette-item-title {
  font-weight: 600;
  font-size: 13px;
  color: #f1f5f9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.palette-item-id-row {
  margin-top: 1px;
}

.palette-badge {
  font-size: 9.5px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.palette-badge-entry {
  background: rgba(234, 88, 12, 0.35);
  color: #ffedd5;
  border: 1px solid rgba(251, 146, 60, 0.7);
}

.palette-badge-exit {
  background: rgba(5, 150, 105, 0.35);
  color: #a7f3d0;
  border: 1px solid rgba(52, 211, 153, 0.6);
}

.palette-type-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  color: #7dd3fc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.22);
  padding: 1px 5px;
  border-radius: 4px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-item-desc-row {
  margin-top: 2px;
}

.palette-item-description {
  color: #94a3b8;
  font-size: 11px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

.action-btn-small {
  display: block;
  width: 100%;
  padding: 6px 10px;
  background: #2563eb;
  color: #ffffff;
  border: 1px solid #3b82f6;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  margin: 6px 0;
  text-align: center;
  transition: background 0.15s ease;
}

.action-btn-small:hover {
  background: #1d4ed8;
}

#inspector {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#inspector label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: #cbd5e1;
  width: 100%;
}

#inspector label input[type="text"],
#inspector label input[type="number"],
#inspector label input[type="password"],
#inspector label textarea,
#inspector label select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #455775;
  border-radius: 6px;
  background: #26344a;
  color: #f1f5f9;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

#inspector label input[type="text"]:focus,
#inspector label input[type="number"]:focus,
#inspector label input[type="password"]:focus,
#inspector label textarea:focus,
#inspector label select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

#inspector label textarea {
  min-height: 80px;
  resize: vertical;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

#inspector label:has(input[type="checkbox"]) {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 5px;
  background: rgba(38, 52, 74, 0.4);
  transition: background 0.15s ease;
}

#inspector label:has(input[type="checkbox"]):hover {
  background: rgba(59, 83, 116, 0.6);
}

#inspector label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
}

.node-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #28374d;
}

.node-actions button {
  width: 100%;
  padding: 7px 12px;
  background: #26344a;
  color: #e2e8f0;
  border: 1px solid #455775;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.node-actions button:hover:not(:disabled) {
  background: #334863;
  border-color: #60a5fa;
  color: #ffffff;
}

.node-actions button.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
  color: #fca5a5;
}

.node-actions button.btn-danger:hover:not(:disabled) {
  background: #dc2626;
  border-color: #ef4444;
  color: #ffffff;
}

.node-actions button.btn-active {
  background: rgba(59, 130, 246, 0.22);
  border-color: #3b82f6;
  color: #93c5fd;
  font-weight: 600;
}

.node-actions button.btn-active:hover:not(:disabled) {
  background: rgba(59, 130, 246, 0.35);
  border-color: #60a5fa;
  color: #ffffff;
}

.workflow-settings-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.workflow-settings-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: #cbd5e1;
}

.workflow-settings-form label input[type="text"],
.workflow-settings-form label textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #455775;
  border-radius: 6px;
  background: #26344a;
  color: #f1f5f9;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}

.workflow-settings-form label textarea {
  min-height: 70px;
  resize: vertical;
}

.capabilities-fieldset {
  border: 1px solid #334863;
  border-radius: 6px;
  padding: 10px;
  margin: 12px 0;
  background: rgba(28, 38, 54, 0.6);
}

.capabilities-fieldset legend {
  font-size: 12px;
  font-weight: 600;
  color: #93c5fd;
  padding: 0 6px;
}

.capabilities-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
  margin-top: 8px;
  padding-right: 4px;
}

.capability-checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  margin: 0 !important;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 12px !important;
  font-weight: normal !important;
  cursor: pointer;
  background: rgba(38, 52, 74, 0.4);
  transition: background 0.15s ease;
}

.capability-checkbox-label:hover {
  background: rgba(59, 83, 116, 0.6);
}

.capability-checkbox-label input[type="checkbox"] {
  width: auto !important;
  margin: 0 !important;
  cursor: pointer;
}

.node-required-caps {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 6px;
  padding: 8px;
  margin: 8px 0 12px 0;
  font-size: 12px;
  color: #fde68a;
}

.node-required-caps code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 11px;
}

.pending-link-banner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid #3b82f6;
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
  font-size: 12px;
  color: #bfdbfe;
}

.cancel-link-btn {
  align-self: flex-start;
  padding: 3px 8px;
  background: #ef4444;
  color: #ffffff;
  border: 1px solid #dc2626;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}

.cancel-link-btn:hover {
  background: #dc2626;
}

.empty-palette-hint {
  padding: 16px 8px;
  text-align: center;
  color: #94a3b8;
  font-size: 12px;
}

/* Custom Modal Dialog */
#modal-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 20, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  opacity: 0;
  animation: modal-fade-in 0.18s ease-out forwards;
}

@keyframes modal-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  width: 90%;
  max-width: 480px;
  background: #182232;
  border: 1px solid #334863;
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  transform: scale(0.94) translateY(8px);
  animation: modal-scale-in 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modal-scale-in {
  from { transform: scale(0.94) translateY(8px); }
  to { transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: #202d42;
  border-bottom: 1px solid #2e3e56;
}

.modal-icon {
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-header h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  flex: 1;
  user-select: text;
  -webkit-user-select: text;
}

.modal-body {
  padding: 16px 18px;
  color: #cbd5e1;
  font-size: 13.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  user-select: text;
  -webkit-user-select: text;
  max-height: 55vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 18px;
  background: #182232;
  border-top: 1px solid #26354b;
}

.modal-btn {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-btn-confirm {
  background: #2563eb;
  color: #ffffff;
  border: 1px solid #3b82f6;
}

.modal-btn-confirm:hover {
  background: #1d4ed8;
}

.modal-btn-cancel {
  background: #334155;
  color: #cbd5e1;
  border: 1px solid #475569;
}

.modal-btn-cancel:hover {
  background: #475569;
  color: #ffffff;
}

/* Custom Toast Notifications */
#toast-container {
  position: fixed;
  top: 60px;
  right: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10000;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  min-width: 240px;
  max-width: 380px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #1e293b;
  border: 1px solid #334155;
  color: #f1f5f9;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-slide-in 0.22s ease-out forwards;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-item.toast-success {
  border-left: 4px solid #10b981;
}

.toast-item.toast-error {
  border-left: 4px solid #ef4444;
}

.toast-item.toast-warning {
  border-left: 4px solid #f59e0b;
}

.toast-item.toast-info {
  border-left: 4px solid #3b82f6;
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-item.toast-hiding {
  opacity: 0;
  transform: translateX(30px);
}

/* Import Dialog */
.import-modal-card {
  max-width: 520px;
}

.import-modal-body {
  white-space: normal !important;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.import-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.import-choice-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: #1e2a3c;
  border: 1px solid #334863;
  border-radius: 8px;
  color: #f1f5f9;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.import-choice-btn:hover {
  background: #283a54;
  border-color: #3b82f6;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.import-choice-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.import-choice-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.import-choice-title {
  font-size: 13px;
  font-weight: 600;
  color: #f8fafc;
}

.import-choice-desc {
  font-size: 11px;
  color: #94a3b8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.import-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: #64748b;
  font-size: 11px;
  margin: 4px 0;
}

.import-divider::before,
.import-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid #28374d;
}

.import-divider span {
  padding: 0 8px;
}

.import-json-textarea {
  width: 100%;
  height: 90px;
  min-height: 70px;
  max-height: 180px;
  background: #141d2b;
  border: 1px solid #2e3e56;
  border-radius: 6px;
  color: #cbd5e1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  padding: 8px 10px;
  box-sizing: border-box;
  resize: vertical;
}

.import-json-textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* Device Connect Guide Modal */
.guide-modal-card {
  max-width: 640px;
  width: 92%;
}

.guide-modal-body {
  white-space: normal !important;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 70vh;
  overflow-y: auto;
  padding: 16px 20px;
  color: #cbd5e1;
  font-size: 13px;
  line-height: 1.55;
  user-select: text;
  -webkit-user-select: text;
}

.guide-section {
  text-align: left;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid #26354b;
  border-radius: 8px;
  padding: 12px 14px;
}

.guide-section p {
  text-align: left;
  margin: 0;
  line-height: 1.5;
}

.guide-section-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #f1f5f9;
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
}

.guide-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 6px;
}

@media (max-width: 600px) {
  .guide-feature-list {
    grid-template-columns: 1fr;
  }
}

.guide-feature-item {
  text-align: left;
  background: rgba(30, 41, 59, 0.55);
  border: 1px solid rgba(71, 85, 105, 0.35);
  border-radius: 6px;
  padding: 8px 10px;
}

.guide-feature-item strong {
  color: #60a5fa;
  display: block;
  margin-bottom: 2px;
  font-size: 12.5px;
  text-align: left;
}

.guide-feature-item span {
  font-size: 11.5px;
  color: #94a3b8;
  display: block;
  text-align: left;
  line-height: 1.4;
}

.guide-code-block {
  text-align: left;
  background: #0b1120;
  border: 1px solid #1e293b;
  border-radius: 6px;
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  color: #38bdf8;
  overflow-x: auto;
  white-space: pre;
  margin: 6px 0;
  line-height: 1.45;
}

.guide-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #60a5fa;
  padding: 6px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.guide-link-btn:hover {
  background: rgba(37, 99, 235, 0.3);
  color: #93c5fd;
  border-color: #60a5fa;
}

/* ==========================================================================
   Small Screen Global Responsive Overlay (UI for Mobile / Small Viewport)
   ========================================================================== */
.small-screen-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: radial-gradient(circle at 50% 30%, rgba(30, 41, 59, 0.94), rgba(11, 17, 32, 0.98));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 24px 20px;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 767px), (max-height: 499px) {
  body.is-mobile-device:not(.dismiss-small-screen-warning) .small-screen-overlay {
    display: flex;
    opacity: 1;
    pointer-events: auto;
  }
}

.small-screen-card {
  max-width: 440px;
  width: 100%;
  background: linear-gradient(145deg, rgba(26, 36, 54, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow:
    0 24px 48px -12px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
  animation: cardFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.small-screen-icon-wrapper {
  position: relative;
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.small-screen-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, rgba(59, 130, 246, 0) 70%);
  animation: pulseGlow 2.4s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% {
    transform: scale(0.9);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.9;
  }
}

.small-screen-icon {
  font-size: 38px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.4));
}

.small-screen-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.25);
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 12px;
}

.small-screen-title {
  font-size: 18px;
  font-weight: 700;
  color: #f8fafc;
  margin: 0 0 10px 0;
  letter-spacing: -0.01em;
}

.small-screen-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #94a3b8;
  margin: 0 0 18px 0;
  text-align: center;
}

.small-screen-desc strong {
  color: #e2e8f0;
}

.small-screen-resolution {
  font-size: 11.5px;
  color: #64748b;
  background: rgba(15, 23, 42, 0.6);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  margin-bottom: 22px;
}

.small-screen-resolution span {
  color: #cbd5e1;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.small-screen-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.small-screen-btn {
  width: 100%;
  height: 42px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.small-screen-btn.btn-copy-url {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.small-screen-btn.btn-copy-url:hover {
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.5);
  transform: translateY(-1px);
}

.small-screen-btn.btn-copy-url:active {
  transform: translateY(0);
}

.small-screen-btn.btn-dismiss-overlay {
  background: rgba(51, 65, 85, 0.4);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.small-screen-btn.btn-dismiss-overlay:hover {
  background: rgba(51, 65, 85, 0.7);
  color: #e2e8f0;
}