/* === CSS Custom Properties === */
/* stylelint-disable color-no-hex, function-disallowed-list */
:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #222222;
  --bg-card: #2a2a2a;
  --bg-input: #141414;
  --border: #3a3a3a;
  --text-primary: #e2e2e2;
  --text-secondary: #aaaaaa;
  --text-muted: #888888;
  --text-on-accent: #fff;
  --accent: #b0b0b0;
  --accent-hover: #c0c0c0;
  --accent-bg: #555555;
  --accent-bg-hover: #4a4a4a;

  /* Interaction surfaces */
  --hover-bg: rgba(136, 136, 136, 0.1);
  --active-bg: rgba(136, 136, 136, 0.15);
  --overlay: rgba(0, 0, 0, 0.5);

  /*
   * SEMANTIC STATE COLORS — USAGE RULES
   *
   * --state-running (green) and --state-stopped (red) are RESERVED for
   * health/status indicators only (healthy/running vs unhealthy/fault).
   *
   * DO NOT use green/red for:
   *   Step names, port labels, badges  -> use --io-on (cyan) or --cat-teal
   *   Completion/done/released states  -> use --state-complete (blue)
   *   Live/real-time indicators        -> use --io-on (cyan)
   *   Form validation feedback         -> use --state-complete / --state-paused
   *   Categorical distinctions (in/out)-> use --cat-* palette
   *   Success messages / confirmations -> use --state-complete (blue)
   *
   * Enforced by: make lint-colors (CI + pre-commit hook).
   */
  --state-idle: #888888;
  --state-running: #22c55e;
  --state-complete: #60a5fa;
  --state-paused: #f59e0b;
  --state-held: #f59e0b;
  --state-stopped: #ef4444;

  /* I/O value colors — cyan=energized, gray=de-energized */
  --io-on: #22d3ee;
  --io-off: #888888;

  /* Categorical palette — type/kind identification (never for state/health/severity) */
  --cat-rose: #fb7185;
  --cat-lime: #84cc16;
  --cat-purple: #a855f7;
  --cat-violet: #7c3aed;
  --cat-pink: #ec4899;
  --cat-teal: #14b8a6;
  --cat-indigo: #6366f1;

  /* Command colors — all amber (caution/action) */
  --cmd-start: #f59e0b;
  --cmd-stop: #f59e0b;
  --cmd-hold: #f59e0b;
  --cmd-pause: #f59e0b;
  --cmd-resume: #f59e0b;
  --cmd-restart: #f59e0b;
  --cmd-abort: #f59e0b;
  --cmd-reset: #f59e0b;

  /* ST syntax highlighting */
  --st-keyword: #60a5fa;
  --st-function: #f59e0b;
  --st-string: #ec4899;
  --st-literal: #c4b5fd;

  --sidebar-width: 260px;
  --topbar-height: 48px;
}
/* stylelint-enable color-no-hex, function-disallowed-list */

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

/* === Top Bar === */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.btn-sidebar-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 7px;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
}
.btn-sidebar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.health-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--state-idle);
}

.health-dot.ok { background: var(--state-running); }
.health-dot.degraded { background: var(--state-paused); }
.health-dot.err { background: var(--state-stopped); }

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-icon:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.btn-icon.active { border-color: var(--accent); color: var(--accent); }

/* === Global Search === */
.search-container {
  position: relative;
  flex: 0 1 340px;
  margin: 0 16px;
}
.search-input {
  width: 100%;
  padding: 6px 32px 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-muted); }
.search-shortcut {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 5px;
  line-height: 18px;
  pointer-events: none;
}
.search-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 8px 24px var(--overlay);
}
.search-dropdown.visible { display: block; }
.search-group-label {
  padding: 8px 12px 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.search-result {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
}
.search-result:hover, .search-result.highlighted {
  background: var(--accent-bg);
  color: var(--text-on-accent);
}
.search-result .sr-site {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}
.search-result:hover .sr-site, .search-result.highlighted .sr-site { color: var(--text-secondary); }
.search-result .sr-state {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-secondary);
}
.search-empty {
  padding: 16px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}
.search-loading {
  padding: 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* === Table Toolbar & Sorting === */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.table-toolbar .toolbar-search {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  width: 200px;
}
.table-toolbar .toolbar-search:focus { border-color: var(--accent); }
.table-toolbar .toolbar-search::placeholder { color: var(--text-muted); }
.table-toolbar .toolbar-select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
}
.table-toolbar .toolbar-clear {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
}
.table-toolbar .toolbar-clear:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.data-table th.sortable:hover { color: var(--accent); }
.sort-arrow { font-size: 10px; margin-left: 3px; opacity: 0.4; }
.sort-arrow.active { opacity: 1; color: var(--accent); }

/* === Sidebar === */
.sidebar {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  width: var(--sidebar-width);
  bottom: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 12px 0 0;
  display: flex;
  flex-direction: column;
  overflow-y: hidden;
  transition: transform 0.2s ease;
}
.sidebar.collapsed {
  transform: translateX(-100%);
}
.sidebar.collapsed + .panel-resizer-sidebar {
  display: none;
}

/* === Panel Resizer Handles === */
.panel-resizer {
  flex-shrink: 0;
  width: 5px;
  cursor: col-resize;
  background: transparent;
  position: relative;
  z-index: 10;
  touch-action: none;
}
.panel-resizer::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 1px; right: 1px;
  border-radius: 1px;
  transition: background 0.15s;
}
.panel-resizer:hover::after,
.panel-resizer.active::after {
  background: var(--accent);
}
.panel-resizer-sidebar {
  position: fixed;
  top: var(--topbar-height);
  bottom: 0;
  left: var(--sidebar-width);
  width: 5px;
  margin-left: -2px;
  cursor: col-resize;
  z-index: 200;
  touch-action: none;
}
.panel-resizer-sidebar::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 1px; right: 1px;
  border-radius: 1px;
  transition: background 0.15s;
}
.panel-resizer-sidebar:hover::after,
.panel-resizer-sidebar.active::after {
  background: var(--accent);
}

.nav-section {
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 8px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover { background: var(--hover-bg); color: var(--text-primary); }
.nav-item.active { background: var(--active-bg); color: var(--accent); }

.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

/* Collapsible nav group */
.nav-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}
.nav-group-header:hover { background: var(--hover-bg); color: var(--text-primary); }
.nav-group-header.active { background: var(--active-bg); color: var(--accent); }
.nav-group-header .icon { font-size: 16px; width: 20px; text-align: center; }
.nav-group-toggle {
  margin-left: auto;
  font-size: 10px;
  transition: transform 0.2s;
  color: var(--text-muted);
}
.nav-group-header.expanded .nav-group-toggle { transform: rotate(90deg); }
.nav-group-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}
.nav-group-children.expanded { max-height: 200px; }
.nav-group-children .nav-item { padding-left: 28px; }
.nav-group-children .nav-item.nav-item-muted { color: var(--text-muted); font-size: 12px; }
.nav-group-children .nav-item.nav-item-muted:hover { color: var(--text-secondary); }
.nav-group-children .nav-item.nav-item-muted.active { color: var(--accent); }
.nav-group-children.recipe-nav-children.expanded { max-height: 600px; }
.nav-group-children#prodInfoNavChildren.expanded { max-height: 300px; }
/* Nested collapsible sub-groups within a nav group */
.nav-subgroup-header {
  padding: 6px 12px 6px 28px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}
.nav-subgroup-header:hover { color: var(--text-secondary); }
.nav-subgroup-toggle {
  margin-left: auto;
  font-size: 8px;
  transition: transform 0.2s;
}
.nav-subgroup-header.expanded .nav-subgroup-toggle { transform: rotate(90deg); }
.nav-subgroup-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}
.nav-subgroup-children.expanded { max-height: 200px; }
.nav-subgroup-children .nav-item { padding-left: 38px; }

.nav-resizer {
  height: 5px;
  margin: 0 12px;
  cursor: row-resize;
  position: relative;
  flex-shrink: 0;
  touch-action: none;
}
.nav-resizer::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 2px;
  height: 1px;
  background: var(--border);
  border-radius: 1px;
  transition: background 0.15s;
}
.nav-resizer:hover::after,
.nav-resizer.active::after {
  top: 1px;
  height: 3px;
  background: var(--accent);
}

/* Site list in sidebar */
.site-list { padding: 0 12px; }

/* Sidebar hierarchy tree */
.sidebar-tree-root {
  padding: 2px 0;
}
.sidebar-tree-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-tree-header:hover { background: var(--hover-bg); color: var(--text-primary); }
.sidebar-tree-header.expanded { color: var(--text-primary); }
.sidebar-tree-toggle {
  font-size: 8px;
  width: 12px;
  text-align: center;
  flex-shrink: 0;
  transition: transform 0.15s;
  color: var(--text-muted);
}
.sidebar-tree-children {
  padding-left: 12px;
}
.sidebar-tree-node {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-tree-node:hover { background: var(--hover-bg); color: var(--text-primary); }
.sidebar-tree-node.selected, .sidebar-tree-header.selected { background: var(--active-bg); color: var(--accent); }
.sidebar-tree-node .leaf-spacer {
  width: 12px;
  flex-shrink: 0;
}
.sidebar-tree-node .node-toggle {
  font-size: 8px;
  width: 12px;
  text-align: center;
  flex-shrink: 0;
  color: var(--text-muted);
}
.sidebar-tree-node .node-name {
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-tree-badge {
  font-size: 9px;
  padding: 0 4px;
  border-radius: 3px;
  flex-shrink: 0;
}
.sidebar-tree-section {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 6px 3px;
  margin-top: 6px;
  border-top: 1px solid var(--border);
  cursor: pointer;
  font-size: 11px;
}
.sidebar-tree-section .node-toggle {
  font-size: 8px;
  width: 12px;
  text-align: center;
  flex-shrink: 0;
  color: var(--text-muted);
}
.sidebar-tree-loading {
  padding: 4px 8px 4px 24px;
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

/* === Sidebar Help Panel === */
.sidebar-help {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  background: var(--hover-bg);
  max-height: 120px;
  overflow-y: auto;
}

/* === Main Content === */
.main {
  margin-left: var(--sidebar-width);
  margin-top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  padding: 20px 24px;
  transition: margin-left 0.2s ease;
}
.main.sidebar-collapsed {
  margin-left: 0;
}

/* === Sub-tabs === */
.subtabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.subtab {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.subtab:hover { color: var(--text-primary); }
.subtab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* === Group Tabs (primary tab row) === */
.tab-groups {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 0;
}

.tab-group {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.tab-group:hover { color: var(--text-primary); }
.tab-group.active { color: var(--accent); border-bottom-color: var(--accent); }

/* === Execution Filter Chips === */
.exec-filter-chips { display: flex; gap: 4px; }
.exec-filter-chip {
  padding: 4px 12px; font-size: 12px; border-radius: 12px;
  border: 1px solid var(--border); cursor: pointer;
  color: var(--text-secondary); background: transparent;
}
.exec-filter-chip:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.exec-filter-chip.active {
  background: var(--accent); color: var(--text-on-accent); border-color: var(--accent);
}

/* === Execution Create Dropdown === */
.exec-create-wrapper { position: relative; display: inline-block; }
.exec-create-menu {
  position: absolute; top: 100%; left: 0; z-index: 10;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; box-shadow: 0 4px 12px var(--overlay);
  min-width: 160px; margin-top: 4px;
}
.exec-create-menu-item {
  padding: 8px 12px; font-size: 13px; cursor: pointer;
  color: var(--text-primary);
}
.exec-create-menu-item:hover { background: var(--hover-bg); }