/* -------------------------------------------------------------------------
   Base & layout
   ------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:          #12121f;
  --bg2:         #1a1a2e;
  --bg3:         #22223a;
  --border:      #2e2e4a;
  --text:        #d0d0e8;
  --text-muted:  #7070a0;
  --accent:      #4a90d9;

  --color-node:    #4a90d9;
  --color-topic:   #5dc95d;
  --color-service: #d9a44a;
  --color-action:  #c97ddc;
}

[data-theme="light"] {
  --bg:          #ffffff;
  --bg2:         #f4f4fc;
  --bg3:         #e8e8f4;
  --border:      #c8c8dc;
  --text:        #1a1a2e;
  --text-muted:  #6060a0;
  --accent:      #2a6ec4;

  --color-node:    #2a6ec4;
  --color-topic:   #2a9e2a;
  --color-service: #c47a10;
  --color-action:  #9a3abf;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, monospace;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

body {
  display: flex;
}

/* -------------------------------------------------------------------------
   Resize handles
   ------------------------------------------------------------------------- */

.resize-handle-v {
  width: 4px;
  flex-shrink: 0;
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s;
  z-index: 10;
}

.resize-handle-v:hover,
.resize-handle-v.dragging {
  background: var(--accent);
}

.resize-handle-h {
  height: 4px;
  flex-shrink: 0;
  cursor: row-resize;
  background: var(--border);
  transition: background 0.15s;
  z-index: 10;
}

.resize-handle-h:hover,
.resize-handle-h.dragging {
  background: var(--accent);
}

/* -------------------------------------------------------------------------
   Sidebar
   ------------------------------------------------------------------------- */

#sidebar {
  width: 260px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg2);
  overflow: hidden;
}

#sidebar-header {
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--border);
}

#sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#theme-toggle,
#settings-export,
#settings-import,
#open-file-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  line-height: 1;
  padding: 2px 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

#theme-toggle {
  font-size: 14px;
}

#theme-toggle:hover,
#settings-export:hover,
#settings-import:hover,
#open-file-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

#sidebar-header h1 {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
}

#collected-at {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Tabs */

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 7px 4px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.tab:hover {
  color: var(--text);
  background: var(--bg3);
}

.tab.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  background: var(--bg3);
}

/* Search */

#search-wrap {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  gap: 6px;
}

#search {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  outline: none;
}

#search:focus {
  border-color: var(--accent);
}

#search-count {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Entity list */

#entity-list {
  flex: 1;
  overflow-y: auto;
  list-style: none;
  padding: 4px 0;
}

#entity-list li {
  padding: 5px 14px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  transition: background 0.1s;
  font-family: monospace;
  font-size: 12px;
}

#entity-list li:hover {
  background: var(--bg3);
}

#entity-list li.active {
  background: rgba(74, 144, 217, 0.2);
  color: var(--accent);
  border-right: 2px solid var(--accent);
}

/* Scrollbar */

#entity-list::-webkit-scrollbar {
  width: 5px;
}

#entity-list::-webkit-scrollbar-track {
  background: var(--bg2);
}

#entity-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* -------------------------------------------------------------------------
   Main area
   ------------------------------------------------------------------------- */

#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Details panel */

#details-panel {
  height: 210px;
  min-height: 60px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  overflow-y: auto;
  background: var(--bg2);
}

#details-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 13px;
  padding: 20px;
  text-align: center;
}

#details-content {
  padding: 10px 14px;
}

#details-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

#details-type-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

#details-type-badge.badge-node    { background: var(--color-node);    color: #fff; }
#details-type-badge.badge-topic   { background: var(--color-topic);   color: #111; }
#details-type-badge.badge-service { background: var(--color-service); color: #111; }
#details-type-badge.badge-action  { background: var(--color-action);  color: #fff; }

#details-name {
  font-family: monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

/* Details table */

#details-body table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
}

#details-body tr {
  border-bottom: 1px solid var(--border);
}

#details-body tr:last-child {
  border-bottom: none;
}

#details-body th {
  text-align: left;
  padding: 4px 10px 4px 0;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  vertical-align: top;
  width: 130px;
}

#details-body td {
  padding: 4px 0;
  font-family: monospace;
  color: var(--text);
  word-break: break-all;
}

#details-body .entry-link {
  cursor: pointer;
  color: var(--accent);
  text-decoration: underline;
  display: block;
  line-height: 1.6;
}

#details-body .entry-link:hover {
  opacity: 0.8;
}

.detail-type-tag {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: 4px;
}

.qos-block {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  padding-left: 8px;
}

/* -------------------------------------------------------------------------
   Graph controls
   ------------------------------------------------------------------------- */

#graph-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  gap: 16px;
}

#graph-controls-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

#graph-controls label {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

#depth-slider {
  width: 120px;
  accent-color: var(--accent);
  cursor: pointer;
}

#graph-legend {
  display: flex;
  gap: 10px;
  align-items: center;
}

.legend-item {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
}

.legend-item[data-type]:hover { opacity: 0.8; }

.node-legend    { background: var(--color-node);    color: #fff; }
.topic-legend   { background: var(--color-topic);   color: #111; }
.service-legend { background: var(--color-service); color: #111; }
.action-legend  { background: var(--color-action);  color: #fff; }

.legend-item.hidden {
  background: #888 !important;
  color: #ccc !important;
  opacity: 0.6;
}

/* -------------------------------------------------------------------------
   Color mode toggle
   ------------------------------------------------------------------------- */

#color-mode-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}

#color-mode-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

#color-mode-toggle.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

#node-analyze-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}

#node-analyze-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

#node-analyze-toggle.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* -------------------------------------------------------------------------
   Namespace color rules panel
   ------------------------------------------------------------------------- */

#ns-rules-panel {
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  padding: 6px 14px;
}

#ns-rules-panel.hidden {
  display: none;
}

#ns-rules-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 5px;
}

#ns-add-rule {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent);
  border-color: var(--accent);
  font-size: 11px;
  font-family: inherit;
  padding: 2px 8px;
  cursor: pointer;
  transition: background 0.15s;
}

#ns-add-rule:hover {
  background: rgba(74,144,217,0.15);
}

#ns-rules-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.ns-rule-row {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 6px;
}

.ns-color-pick {
  width: 26px;
  height: 20px;
  border: none;
  border-radius: 3px;
  padding: 0;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

.ns-pattern-input {
  width: 160px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: monospace;
  font-size: 11px;
  padding: 2px 6px;
  outline: none;
}

.ns-pattern-input:focus {
  border-color: var(--accent);
}

.ns-rule-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  transition: color 0.1s;
}

.ns-rule-delete:hover {
  color: #c06060;
}

/* -------------------------------------------------------------------------
   Cytoscape canvas
   ------------------------------------------------------------------------- */

#cy {
  flex: 1;
  background: var(--bg);
  transition: opacity 0.18s ease;
  position: relative;
}

#graph-overlay-btns {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  display: flex;
  gap: 4px;
  opacity: 0.75;
  transition: opacity 0.15s;
}

#graph-overlay-btns:hover {
  opacity: 1;
}

#graph-overlay-btns button {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--fg);
  cursor: pointer;
}

#graph-overlay-btns button:disabled {
  opacity: 0.4;
  cursor: default;
}

/* -------------------------------------------------------------------------
   Loading / error overlay
   ------------------------------------------------------------------------- */

#overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

#overlay.hidden {
  display: none;
}

#overlay-message {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
}

#overlay-message.error {
  color: #e06060;
  cursor: pointer;
}

#file-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--bg2);
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 60px;
  transition: border-color 0.15s, background 0.15s;
}

#overlay.drag-over #file-picker {
  border-color: var(--accent);
  background: var(--bg3);
}

.file-picker-icon {
  font-size: 40px;
  line-height: 1;
}

.file-picker-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.file-pick-btn {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.file-pick-btn:hover {
  opacity: 0.85;
}

.file-picker-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}

/* -------------------------------------------------------------------------
   Show all / Hide all controls
   ------------------------------------------------------------------------- */

#vis-controls {
  display: flex;
  gap: 5px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
}

#vis-controls button {
  flex: 1;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

#vis-show-all:hover:not(:disabled) {
  color: var(--accent);
  border-color: var(--accent);
}

#vis-hide-all:hover:not(:disabled) {
  color: #c06060;
  border-color: #c06060;
}

#vis-controls button:disabled {
  opacity: 0.28;
  cursor: default;
}

/* -------------------------------------------------------------------------
   Entity list checkboxes
   ------------------------------------------------------------------------- */

#entity-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.visibility-cb {
  flex-shrink: 0;
  width: 13px;
  height: 13px;
  accent-color: var(--accent);
  cursor: pointer;
}

.entity-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

#entity-list li.entity-hidden .entity-name {
  opacity: 0.4;
  text-decoration: line-through;
}

#entity-list li.sidebar-truncated {
  padding: 6px 10px;
  font-size: 11px;
  opacity: 0.55;
  font-style: italic;
  pointer-events: none;
}

/* -------------------------------------------------------------------------
   Graph right-click context menu
   ------------------------------------------------------------------------- */

#cy-ctx-menu {
  position: absolute;
  z-index: 200;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  min-width: 160px;
  padding: 4px 0;
  font-size: 12px;
}

#cy-ctx-menu.hidden {
  display: none;
}

#cy-ctx-menu > div {
  padding: 6px 14px;
  cursor: pointer;
  color: var(--text);
  transition: background 0.1s;
}

#cy-ctx-menu > div:hover {
  background: var(--bg3);
  color: var(--accent);
}

/* -------------------------------------------------------------------------
   Scripts panel
   ------------------------------------------------------------------------- */

#scripts-panel {
  width: 260px;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--bg2);
  overflow: hidden;
  flex-shrink: 0;
}

#scripts-panel.collapsed {
  width: 32px !important;
  min-width: 32px;
}

#scripts-panel.collapsed #scripts-panel-body,
#scripts-panel.collapsed #scripts-panel-title {
  display: none;
}

#scripts-panel.collapsed #scripts-collapse-btn {
  transform: rotate(180deg);
}

#scripts-resize.panel-collapsed {
  display: none;
}

#scripts-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#scripts-panel.collapsed #scripts-panel-header {
  justify-content: center;
}

#scripts-panel-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#scripts-collapse-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.15s, transform 0.18s;
}

#scripts-collapse-btn:hover {
  color: var(--accent);
}

#scripts-panel-body {
  display: flex;
  flex-direction: column;
  padding: 10px;
  gap: 8px;
  overflow-y: auto;
  flex: 1;
}

#scripts-output-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.scripts-output-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
}

.scripts-output-label input[type="radio"] {
  accent-color: var(--accent);
  cursor: pointer;
}

.scripts-divider {
  height: 1px;
  background: var(--border);
  margin: 2px 0;
}

.script-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.script-item-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.script-btn {
  flex: 1;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 11px;
  font-family: inherit;
  padding: 5px 8px;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s, border-color 0.15s;
  line-height: 1.35;
}

.script-btn:hover:not(:disabled) {
  color: var(--accent);
  border-color: var(--accent);
}

.script-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.script-n-input {
  width: 42px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 11px;
  font-family: inherit;
  padding: 4px 6px;
  text-align: center;
  outline: none;
  flex-shrink: 0;
}

.script-n-input:focus {
  border-color: var(--accent);
}

/* -------------------------------------------------------------------------
   Script result modal
   ------------------------------------------------------------------------- */

#script-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
}

#script-modal.hidden {
  display: none;
}

#script-modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  width: min(90vw, 860px);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#script-modal-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#script-modal-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

#script-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.15s;
}

#script-modal-close:hover {
  color: #c06060;
}

#script-modal-body {
  overflow-y: auto;
  padding: 14px 16px;
  flex: 1;
}

.script-result-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  font-family: monospace;
}

.script-result-table th {
  text-align: left;
  padding: 6px 10px;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.script-result-table td {
  padding: 5px 10px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  word-break: break-all;
}

.script-result-table tr:last-child td {
  border-bottom: none;
}

.script-result-table tr:hover td {
  background: var(--bg3);
}

.script-result-empty {
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px;
}

.result-category-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--bg3);
  color: var(--text-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.qos-conflict {
  color: #e06060;
  font-weight: 600;
}