:root {
    --bg: #080c10;
    --panel: #0e1620;
    --card: #141e2a;
    --card2: #1a2636;
    --border: #1f3044;
    --border2: #2a4060;
    --accent: #00c8ff;
    --accent2: #0088cc;
    --green: #00e87a;
    --amber: #ffaa00;
    --red: #ff4455;
    --text: #d0e4f8;
    --text2: #6a8aaa;
    --text3: #3a5a7a;
    --font: 'Segoe UI', Tahoma, Geneva, sans-serif;
    --mono: 'Consolas', 'Courier New', monospace;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body { background: var(--bg); color: var(--text); font-family: var(--font); font-size: 14px; min-height: 100vh; overflow: auto; }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: var(--panel); }
  ::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

  /* ─── SCREENS ─── */
  .screen { display: none; min-height: 100vh; }
  .screen.active { display: flex; }

  /* ─── PROJECT SCREEN ─── */
  #screen-projects {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 30px 10px 40px;
    background: radial-gradient(ellipse at 50% 30%, #0a1a2e 0%, var(--bg) 70%);
  }
  .proj-header { text-align: center; margin-bottom: 40px; }
  .proj-header .logo { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 14px; }
  .proj-header h1 { font-size: 34px; font-weight: 300; letter-spacing: -1px; color: #fff; }
  .proj-header h1 span { color: var(--accent); font-weight: 600; }
  .proj-header p { color: var(--text2); font-size: 13px; margin-top: 8px; }
  .proj-grid { display: flex; flex-direction: column; width: 700px; max-width: 95vw; margin-bottom: 20px; }
  .proj-inner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin-bottom: 14px; }
  .proj-folder { width: 100%; }
  .proj-folder-header { display: flex; align-items: center; gap: 8px; padding: 10px 4px 8px; user-select: none; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
  .proj-folder-toggle { font-size: 11px; color: var(--text3); width: 16px; text-align: center; cursor: pointer; transition: color .15s; }
  .proj-folder-toggle:hover { color: var(--accent); }
  .proj-folder-name { font-size: 14px; font-weight: 600; color: var(--text); cursor: pointer; flex: 1; }
  .proj-folder-count { font-size: 11px; color: var(--text3); font-family: var(--mono); margin-right: 4px; }
  .proj-folder-action { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 13px; padding: 2px 6px; border-radius: 3px; opacity: 0; transition: opacity .15s; }
  .proj-folder-header:hover .proj-folder-action { opacity: 1; }
  .proj-folder-action:hover { color: var(--accent); background: rgba(0,200,255,.1); }
  .proj-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all .18s;
    position: relative;
  }
  .proj-card:hover { border-color: var(--accent); background: var(--card2); transform: translateY(-2px); }
  .proj-card .pname { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .proj-card .pmeta { font-size: 11px; color: var(--text2); font-family: var(--mono); }
  .proj-card .pmeta span { color: var(--accent); }
  .proj-card .pmove { position: absolute; top: 10px; right: 32px; background: none; border: none; color: var(--text3); cursor: pointer; font-size: 13px; line-height: 1; padding: 2px 5px; border-radius: 3px; opacity: 0; transition: opacity .15s; }
  .proj-card:hover .pmove { opacity: 1; }
  .proj-card .pmove:hover { color: var(--accent); background: rgba(0,200,255,.1); }
  .proj-card .pdel { position: absolute; top: 10px; right: 10px; background: none; border: none; color: var(--text3); cursor: pointer; font-size: 15px; line-height:1; padding: 2px 5px; border-radius: 3px; }
  .proj-card .pdel:hover { color: var(--red); background: rgba(255,68,85,.1); }
  .proj-new {
    background: transparent;
    border: 1px dashed var(--border2);
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all .18s;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    color: var(--text2); font-size: 14px;
  }
  .proj-new:hover { border-color: var(--accent); color: var(--accent); }
  .proj-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
  .btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; border-radius: 5px; font-size: 13px; font-family: var(--font); cursor: pointer; border: 1px solid transparent; transition: all .15s; }
  .btn-primary { background: var(--accent2); border-color: var(--accent); color: #fff; }
  .btn-primary:hover { background: var(--accent); }
  .btn-ghost { background: transparent; border-color: var(--border2); color: var(--text2); }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .btn-danger { background: transparent; border-color: rgba(255,68,85,.4); color: var(--red); }
  .btn-danger:hover { background: rgba(255,68,85,.1); }
  .btn-sm { padding: 5px 11px; font-size: 12px; }
  .btn-icon { padding: 6px 9px; }

  /* ─── MAIN APP ─── */
  #screen-app { flex-direction: row; }
  .sidebar {
    width: 220px; min-width: 220px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    padding: 0;
    transition: width .2s ease, min-width .2s ease, opacity .2s ease;
    overflow: hidden;
  }
  .sidebar.collapsed {
    width: 0; min-width: 0; opacity: 0; border-right: none;
    pointer-events: none;
  }
  /* Hamburger button */
  .sidebar-toggle {
    background: none; border: none; cursor: pointer;
    color: var(--text2); font-size: 18px; line-height: 1;
    padding: 6px 8px; border-radius: 4px; flex-shrink: 0;
    transition: color .14s, background .14s;
  }
  .sidebar-toggle:hover { color: var(--accent); background: rgba(0,200,255,.08); }
  .sidebar-top {
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-logo { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; color: var(--accent); text-transform: uppercase; margin-bottom: 4px; }
  .sidebar-project { font-size: 14px; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sidebar-nav { flex: 1; padding: 10px 0; overflow-y: auto; }
  .nav-section { padding: 6px 16px 4px; font-size: 10px; color: var(--text3); letter-spacing: 1.5px; text-transform: uppercase; font-family: var(--mono); }
  .nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 16px; cursor: pointer;
    color: var(--text2); font-size: 13px;
    transition: all .14s; border-left: 2px solid transparent;
  }
  .nav-item:hover { color: var(--text); background: rgba(0,200,255,.04); }
  .nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(0,200,255,.07); }
  .nav-item .nav-icon { width: 16px; text-align: center; font-size: 14px; }
  .sidebar-bottom { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 7px; }
  .sidebar-bottom .btn { width: 100%; justify-content: center; font-size: 12px; }

  /* ─── MAIN CONTENT ─── */
  .main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
  .topbar {
    min-height: 50px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 8px 20px;
    gap: 12px; flex-wrap: wrap;
  }
  .topbar h2 { font-size: 16px; font-weight: 600; flex: 1; min-width: 0; }
  #topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .view-area { flex: 1; overflow-y: auto; padding: 20px; }

  /* ─── BADGES / TAGS ─── */
  .badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-family: var(--mono); }
  .badge-switch { background: rgba(0,200,255,.12); color: var(--accent); border: 1px solid rgba(0,200,255,.25); }
  .badge-nonswitch { background: rgba(255,170,0,.12); color: var(--amber); border: 1px solid rgba(255,170,0,.25); }
  .badge-green { background: rgba(0,232,122,.12); color: var(--green); border: 1px solid rgba(0,232,122,.25); }
  .badge-gray { background: rgba(106,138,170,.1); color: var(--text2); border: 1px solid var(--border); }

  /* ─── DEVICE LIST VIEW ─── */
  .toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
  .search-box { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--border); border-radius: 5px; padding: 7px 12px; flex: 1; min-width: 200px; }
  .search-box input { background: none; border: none; outline: none; color: var(--text); font-size: 13px; width: 100%; font-family: var(--font); }
  .search-box input::placeholder { color: var(--text3); }
  .filter-tabs { display: flex; gap: 4px; }
  .filter-tab { padding: 6px 12px; border-radius: 4px; font-size: 12px; cursor: pointer; border: 1px solid var(--border); background: transparent; color: var(--text2); transition: all .14s; }
  .filter-tab:hover { border-color: var(--border2); color: var(--text); }
  .filter-tab.active { background: var(--card2); border-color: var(--accent); color: var(--accent); }
  .table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  table { width: 100%; border-collapse: collapse; }
  th { background: var(--panel); padding: 10px 14px; text-align: left; font-size: 11px; color: var(--text2); font-family: var(--mono); letter-spacing: 0.5px; text-transform: uppercase; border-bottom: 1px solid var(--border); white-space: nowrap; }
  td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; user-select: text; }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--card2); }
  td .mono { font-family: var(--mono); font-size: 12px; color: var(--text2); user-select: text; cursor: text; }
  .td-actions { display: flex; gap: 5px; }
  /* Sticky device list header */
  .devices-sticky-header { position: sticky; top: -20px; z-index: 20; background: var(--bg); padding-top: 0; margin-top: -20px; padding-bottom: 8px; }
  .devices-table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
  .devices-table-wrap thead th { position: sticky; top: 0; z-index: 10; background: var(--panel); }
  .devices-table-scroll { max-height: calc(100vh - 260px); overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
  .devices-table-scroll thead th { position: sticky; top: 0; z-index: 5; background: var(--panel); }

  /* ─── RACK VIEW ─── */
  .rack-layout { display: flex; gap: 20px; align-items: flex-start; }
  .device-pool { width: 220px; min-width: 220px; flex-shrink: 0; }
  .device-pool h3 { font-size: 12px; color: var(--text2); font-family: var(--mono); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
  .template-panel { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
  .template-panel-hdr { font-size: 10px; color: var(--text3); font-family: var(--mono); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; user-select: none; }
  .template-panel-hdr:hover { color: var(--text2); }
  .template-category { margin-bottom: 8px; }
  .template-cat-label { font-size: 10px; color: var(--text3); font-family: var(--mono); margin-bottom: 4px; padding-left: 2px; }
  .template-btn { width: 100%; text-align: left; background: var(--card); border: 1px solid var(--border); border-radius: 5px; color: var(--text2); font-size: 11px; padding: 5px 8px; cursor: pointer; margin-bottom: 3px; transition: all .12s; display: block; }
  .template-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,200,255,.06); }
  .pool-device {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 9px 12px;
    margin-bottom: 7px;
    cursor: grab;
    transition: all .14s;
    user-select: none;
  }
  .pool-device:hover { border-color: var(--accent); }
  .pool-device.dragging { opacity: .4; cursor: grabbing; }
  .pool-device .dname { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .pool-device .dtype { font-size: 11px; color: var(--text2); font-family: var(--mono); }
  .rack-area { flex: 1; display: flex; gap: 20px; align-items: flex-start; min-width: 0; }
  .rack-col  { display: flex; flex-direction: column; gap: 20px; flex: 1; min-width: 0; }
  .rack-container { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; width: 100%; }
  .rack-header { background: var(--panel); padding: 10px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
  .rack-header-left h3 { font-size: 14px; font-weight: 600; color: #fff; }
  .rack-header-left p { font-size: 11px; color: var(--text2); font-family: var(--mono); }
  .rack-body { padding: 10px; }
  .rack-unit {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 2px;
    min-height: 34px;
  }
  .rack-u-num { width: 28px; text-align: right; font-family: var(--mono); font-size: 11px; color: var(--text3); flex-shrink: 0; }
  .rack-slot {
    flex: 1; min-height: 32px;
    background: var(--panel);
    border: 1px dashed var(--border);
    border-radius: 3px;
    display: flex; align-items: center;
    transition: all .14s;
    position: relative;
    overflow: visible;
  }
  .rack-slot.drag-over { border-color: var(--accent) !important; background: rgba(0,200,255,.1) !important; border-style: solid !important; }
  .rack-slot.occupied { border-style: solid; border-color: var(--border2); background: var(--card2); }
  .rack-slot.occupied:hover { border-color: var(--accent); }
  .rack-slot .slot-label { padding: 0 4px 0 8px; font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 5px; flex-shrink: 0; min-width: 80px; max-width: 180px; overflow: hidden; }
  .rack-slot .slot-remove { position: absolute; right: 0; top: 0; bottom: 0; flex-shrink: 0; background: rgba(255,68,85,.15); border: none; border-radius: 0 3px 3px 0; color: var(--red); cursor: pointer; min-width: 26px; font-size: 12px; display: none; align-items: center; justify-content: center; z-index: 3; padding: 0 6px; }
  .rack-slot.occupied:hover .slot-remove { display: flex; }
  .rack-slot.occupied:hover { padding-right: 28px; }
  .rack-slot.rack-dragging-source { opacity: .35; }

  /* ─── PORT HOVER TOOLTIP + CROSS-HIGHLIGHT ─── */
  #rack-port-tooltip { position: fixed; z-index: 9999; pointer-events: none; background: rgba(10,21,32,0.78); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); border: 1px solid var(--accent); border-radius: 6px; padding: 7px 11px; font-size: 11px; font-family: var(--mono); color: var(--text); box-shadow: 0 4px 20px #000c; max-width: 240px; line-height: 1.6; display: none; }
  #rack-port-tooltip .rpt-port { color: var(--text3); font-size: 10px; }
  #rack-port-tooltip .rpt-name { color: #fff; font-weight: 700; font-size: 12px; }
  #rack-port-tooltip .rpt-ip { color: var(--accent); }
  #rack-port-tooltip .rpt-mac { color: var(--text2); }
  .rack-port-sq.port-hl, .pp-port.port-hl { outline: 2px solid #fff; outline-offset: 2px; z-index: 6; position: relative; filter: brightness(1.4); }

  /* ─── PORT ROWS (2-row layout) ─── */
  .port-rows-wrap { display: flex; flex-direction: column; gap: 6px; }
  .port-row { display: flex; gap: 6px; flex-wrap: wrap; }
  .port-cell-sm {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    transition: all .14s;
    min-width: 80px;
    flex: 1;
  }
  .port-cell-sm:hover { border-color: var(--accent); }
  .port-cell-sm.assigned { background: rgba(0,232,122,.05); }
  .port-cell-sm .port-num { font-family: var(--mono); font-size: 10px; color: var(--text3); margin-bottom: 2px; }
  .port-cell-sm .port-device { font-size: 11px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .port-cell-sm .port-empty { font-size: 11px; color: var(--text3); }
  .port-vlan-tag { display: inline-block; font-family: var(--mono); font-size: 9px; padding: 1px 4px; border-radius: 2px; margin-top: 2px; }

  /* ─── PORT ASSIGNMENT ─── */
  .port-layout { display: flex; gap: 20px; align-items: flex-start; }
  .port-switch-selector { width: 220px; min-width: 220px; }
  .switch-item { padding: 10px 12px; background: var(--card); border: 1px solid var(--border); border-radius: 5px; cursor: pointer; margin-bottom: 6px; transition: all .14s; }
  .switch-item:hover, .switch-item.active { border-color: var(--accent); background: var(--card2); }
  .switch-item .sname { font-size: 13px; font-weight: 600; }
  .switch-item .smeta { font-size: 11px; color: var(--text2); font-family: var(--mono); }
  .port-panel { flex: 1; min-width: 0; }

  /* ─── FLOWCHART VIEW ─── */
  #flowchart-svg { background: var(--card); border-radius: 8px; border: 1px solid var(--border); display: block; }
  .fc-toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
  .fc-node-edit { background: var(--card2); border: 1px solid var(--border2); border-radius: 8px; padding: 14px; margin-top: 14px; }
  .fc-node-edit h4 { margin-bottom: 10px; font-size: 13px; color: var(--accent); }
  .fc-main-layout { display:flex; gap:10px; align-items:flex-start; }
  .fc-pool-panel { width:200px; flex-shrink:0; border:1px solid var(--border); border-radius:8px; background:var(--card); padding:10px; overflow-y:auto; }

  /* ─── FORMS ─── */
  .form-row { margin-bottom: 12px; }
  .form-row label { display: block; font-size: 11px; color: var(--text2); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; font-family: var(--mono); }
  .form-control { width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 5px; padding: 8px 12px; color: var(--text); font-size: 13px; font-family: var(--font); outline: none; transition: border-color .15s; }
  .form-control:focus { border-color: var(--accent); }
  select.form-control option { background: var(--panel); }
  .form-row-inline { display: flex; gap: 12px; }
  .form-row-inline .form-row { flex: 1; }

  /* ─── MODAL ─── */
  .modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 100; align-items: center; justify-content: center; }
  .modal-overlay.open { display: flex; }
  .modal { background: var(--card); border: 1px solid var(--border2); border-radius: 10px; padding: 24px; width: 460px; max-width: 95vw; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
  .modal h3 { font-size: 17px; font-weight: 600; color: #fff; margin-bottom: 18px; }
  .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; flex-wrap: wrap; }

  /* ─── EMPTY STATE ─── */
  .empty-state { text-align: center; padding: 60px 20px; color: var(--text2); }
  .empty-state .empty-icon { font-size: 40px; margin-bottom: 14px; opacity: .4; }
  .empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
  .empty-state p { font-size: 13px; color: var(--text2); }

  /* ─── STATS ROW ─── */
  .stats-row { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
  .stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 7px; padding: 14px 18px; min-width: 120px; }
  .stat-card .sv { font-size: 26px; font-weight: 700; color: #fff; font-family: var(--mono); }
  .stat-card .sl { font-size: 11px; color: var(--text2); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
  .stat-card .sv.accent { color: var(--accent); }
  .stat-card .sv.green { color: var(--green); }
  .stat-card .sv.amber { color: var(--amber); }

  /* ─── TOAST ─── */
  #toast { position: fixed; bottom: 20px; right: 20px; background: var(--card2); border: 1px solid var(--border2); border-radius: 7px; padding: 12px 18px; font-size: 13px; color: var(--text); box-shadow: 0 8px 30px rgba(0,0,0,.4); opacity: 0; transform: translateY(10px); transition: all .25s; pointer-events: none; z-index: 200; }
  #toast.show { opacity: 1; transform: translateY(0); }
  #toast.success { border-color: var(--green); }
  #toast.error { border-color: var(--red); }

  /* ─── CHECKBOXES ─── */
  input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; }
  th.th-check, td.td-check { width: 44px; padding: 10px 10px 10px 14px; }

  /* ─── BULK ACTION BAR ─── */
  .bulk-bar {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    background: linear-gradient(90deg, rgba(0,200,255,.08), rgba(0,200,255,.03));
    border: 1px solid rgba(0,200,255,.25);
    border-radius: 7px; padding: 9px 14px; margin-bottom: 12px;
  }
  .bulk-bar .bulk-count { font-size: 13px; font-weight: 600; color: var(--accent); margin-right: 4px; }
  .bulk-bar .bulk-sep { color: var(--text3); }

  /* ─── WIDE MODAL ─── */
  .modal-wide { width: 960px; max-width: 98vw; }

  /* ─── REVIEW TABLE ─── */
  .review-table-wrap { max-height: 55vh; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; }
  .review-table-wrap table { font-size: 12px; }
  .review-table-wrap th { font-size: 10px; padding: 8px 10px; }
  .review-table-wrap td { padding: 7px 10px; }
  .review-row-deselected td { opacity: .35; }
  .review-row-deselected td:first-child { opacity: 1; }
  .review-stats { display: flex; gap: 14px; flex-wrap: wrap; margin: 10px 0 4px; font-size: 12px; color: var(--text2); }
  .review-stats span { color: var(--accent); font-family: var(--mono); font-weight: 600; }

  /* ─── ROW SELECTED ─── */
  tr.row-selected td { background: rgba(0,200,255,.06) !important; }

  /* ─── SORTABLE HEADERS ─── */
  th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
  th.sortable:hover { color: var(--text); background: rgba(0,200,255,.06); }
  th.sortable.sort-asc, th.sortable.sort-desc { color: var(--accent); }
  th.sortable .sort-arrow { display: inline-block; margin-left: 4px; font-size: 10px; opacity: .5; }
  th.sortable.sort-asc .sort-arrow, th.sortable.sort-desc .sort-arrow { opacity: 1; }

  /* ─── DEVICE TYPE BADGE ─── */
  .dt-badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-family: var(--mono); border: 1px solid rgba(255,255,255,.1); }
  .dt-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

  /* ─── RACK PORT SQUARES — 2-row ─── */
  .rack-port-grid { display: flex; flex-direction: column; gap: 2px; padding: 3px 6px 3px 2px; flex-shrink: 0; }
  .rack-port-row { display: flex; gap: 2px; }
  .rack-port-sq { width: 7px; height: 7px; border-radius: 1px; border: 1.5px solid #3a5a7a; background: transparent; flex-shrink: 0; cursor: pointer; transition: all .1s; }
  .rack-port-sq:hover { transform: scale(1.5); z-index: 5; position: relative; }

  /* ─── PATCH PANEL FACEPLATE ─── */
  .pp-faceplate { display: flex; flex-direction: column; gap: 3px; padding: 4px 6px; flex: 1; min-width: 0; }
  .pp-row { display: flex; flex-wrap: nowrap; gap: 3px; }
  .pp-port { display: flex; flex-direction: column; align-items: center; width: 36px; border-radius: 3px; border: 1px solid #2a4a6a; background: #0d1e2e; cursor: pointer; padding: 2px 2px 3px; transition: border-color .1s, background .1s; flex-shrink: 0; }
  .pp-port:hover { border-color: var(--accent); background: #0e2235; }
  .pp-port.pp-assigned { border-color: var(--clr, #00e87a); background: color-mix(in srgb, var(--clr, #00e87a) 12%, #0d1e2e); }
  .pp-port-num { font-size: 8px; font-family: Consolas,monospace; color: #3a6a9a; line-height: 1; }
  .pp-port.pp-assigned .pp-port-num { color: var(--clr, #00e87a); }
  .pp-port-jack { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid #2a4a6a; background: #060e18; margin: 2px 0; }
  .pp-port.pp-assigned .pp-port-jack { background: var(--clr,#00e87a); border-color: var(--clr,#00e87a); box-shadow: 0 0 4px var(--clr,#00e87a)88; }
  .pp-port-label { font-size: 7px; font-family: Consolas,monospace; color: #3a6a9a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 34px; line-height: 1; text-align: center; }
  .pp-port.pp-assigned .pp-port-label { color: #cce4f8; }
  .pp-port.pp-labeled { border-color: var(--accent) !important; }
  .pp-port.pp-labeled .pp-port-jack { border-color: var(--accent); box-shadow: 0 0 5px rgba(0,232,122,0.55); }
  .pp-port.pp-labeled .pp-port-label { color: var(--accent) !important; font-weight: 700; }

  /* ─── SETTINGS ─── */
  .settings-section { margin-bottom: 24px; }
  .settings-section h4 { font-size: 12px; color: var(--text2); font-family: var(--mono); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
  .color-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
  .color-item { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
  .color-item label { flex: 1; font-size: 13px; cursor: pointer; }
  .color-item input[type=color] { width: 32px; height: 28px; padding: 2px; border: 1px solid var(--border2); border-radius: 4px; background: var(--panel); cursor: pointer; }

  /* ─── MAC LOOKUP ─── */
  .lookup-progress { font-size: 12px; color: var(--text2); font-family: var(--mono); padding: 8px 0; }

  /* ─── PHOTO VIEWER (lightbox) ─── */
  #photo-viewer-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,.94);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 16px;
  }
  .pv-close {
    position: absolute; top: 12px; right: 12px; z-index: 10;
    background: rgba(255,255,255,.15); border: none; color: #fff;
    font-size: 22px; cursor: pointer; width: 40px; height: 40px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    transition: background .15s;
  }
  .pv-close:hover { background: rgba(255,255,255,.3); }
  .pv-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    background: rgba(255,255,255,.12); border: none; color: #fff;
    font-size: 32px; cursor: pointer; width: 48px; height: 48px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    transition: background .15s;
  }
  .pv-arrow:hover { background: rgba(255,255,255,.28); }
  .pv-prev { left: 10px; }
  .pv-next { right: 10px; }
  .pv-img { max-width: 92vw; max-height: 78vh; object-fit: contain; border-radius: 4px; user-select: none; }
  .pv-bottom { text-align: center; margin-top: 12px; flex-shrink: 0; }
  .pv-caption { color: #fff; font-size: 14px; font-weight: 600; }
  .pv-counter { color: rgba(255,255,255,.45); font-size: 11px; font-family: var(--mono); margin-top: 4px; }
  .pv-actions { margin-top: 10px; display: flex; gap: 8px; justify-content: center; }
  @media (max-width: 600px) {
    .pv-arrow { width: 36px; height: 36px; font-size: 24px; }
    .pv-prev { left: 4px; }
    .pv-next { right: 4px; }
    .pv-img { max-height: 72vh; }
  }

  /* ─── PHOTOS ─── */
  .photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; padding: 4px 0; }
  .photo-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; cursor: pointer; transition: all .14s; position: relative; }
  .photo-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 16px #0008; }
  .photo-thumb { width: 100%; height: 150px; background-size: cover; background-position: center; background-color: #060d14; }
  .photo-meta { padding: 8px 10px; }
  .photo-title { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .photo-date { font-size: 10px; color: var(--text3); font-family: var(--mono); margin-top: 2px; }
  .photo-del { position: absolute; top: 6px; right: 6px; background: rgba(255,68,85,.8); border: none; border-radius: 4px; color: #fff; cursor: pointer; width: 22px; height: 22px; font-size: 11px; display: none; align-items: center; justify-content: center; }
  .photo-card:hover .photo-del { display: flex; }
  .photo-card:hover .photo-move-btn { display: flex !important; }
  /* Photo folders */
  .photo-view-wrap { display: flex; gap: 0; height: calc(100vh - 100px); }
  .photo-folder-sidebar { width: 190px; flex-shrink: 0; padding: 10px 8px; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
  .photo-folder-item { display: flex; align-items: flex-start; gap: 7px; padding: 6px 9px; border-radius: 6px; cursor: pointer; font-size: 12px; transition: background .12s; position: relative; }
  .photo-folder-resize { width: 5px; flex-shrink: 0; cursor: col-resize; background: transparent; transition: background .15s; position: relative; }
  .photo-folder-resize::after { content: ''; position: absolute; top: 0; bottom: 0; left: 2px; width: 1px; background: var(--border); }
  .photo-folder-resize:hover, .photo-folder-resize:active { background: rgba(0,200,255,.18); }
  .photo-folder-item:hover { background: var(--card2); }
  .photo-folder-item.active { background: rgba(0,200,255,.12); color: var(--accent); }
  .photo-folder-count { margin-left: auto; font-size: 10px; color: var(--text3); font-family: var(--mono); flex-shrink: 0; }
  .photo-folder-actions { display: flex; gap: 2px; margin-left: 2px; opacity: 0; transition: opacity .1s; }
  .photo-folder-item:hover .photo-folder-actions { opacity: 1; }
  .photo-folder-btn { background: none; border: none; cursor: pointer; font-size: 10px; color: var(--text3); padding: 1px 4px; border-radius: 3px; line-height: 1.4; }
  .photo-folder-btn:hover { color: var(--text); background: rgba(255,255,255,.08); }
  .photo-grid-area { flex: 1; overflow-y: auto; padding: 14px 16px; }
  .photo-folder-badge { position: absolute; bottom: 5px; left: 5px; background: rgba(0,0,0,.75); color: var(--accent); font-size: 9px; font-family: var(--mono); padding: 2px 6px; border-radius: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 110px; pointer-events: none; }
  /* Photo editor */
  .photo-editor-wrap { display: flex; gap: 14px; height: calc(100vh - 128px); }
  .photo-editor-canvas { flex: 1; min-width: 0; position: relative; background: #060d14; border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; overflow: hidden; touch-action: none; }
  .photo-editor-canvas img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; user-select: none; pointer-events: none; }
  .photo-editor-sidebar { width: 290px; flex-shrink: 0; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; }
  #photo-pan-layer { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; transform-origin: center center; will-change: transform; }
  #photo-markers-layer { position: absolute; overflow: visible; pointer-events: none; }
  .photo-overlay-marker { position: absolute; transform-origin: center bottom; cursor: grab; z-index: 10; display: flex; flex-direction: column; align-items: center; pointer-events: all; }
  .photo-overlay-marker:active { cursor: grabbing; }
  .photo-overlay-box { border: 2px solid; border-radius: 5px; padding: 3px 7px; font-size: 10px; font-family: var(--mono); font-weight: 700; white-space: nowrap; max-width: 120px; overflow: hidden; text-overflow: ellipsis; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); box-shadow: 0 2px 10px #000a; }
  .photo-overlay-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 3px; border: 1.5px solid rgba(255,255,255,.5); }
  .photo-assign-slot { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; }
  .photo-assign-slot-header { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; font-size: 10px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .8px; }
  .photo-assign-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
  .photo-notes-box { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 10px; flex: 1; overflow-y: auto; min-height: 80px; }
  .photo-notes-item { margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
  .photo-notes-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
  @media (max-width: 700px) {
  body { overflow: auto !important; }
  /* ── Global layout ── */
  .view-area { padding: 10px; }
  .topbar { padding: 6px 10px; gap: 6px; }
  #topbar-actions { gap: 6px; }
  #topbar-actions .btn { font-size: 11px; padding: 4px 8px; white-space: nowrap; }
  /* ── Tables: allow horizontal scroll ── */
  .table-wrap { overflow-x: auto; }
  .devices-table-scroll { max-height: none; overflow-x: auto; }
  table { min-width: 540px; }
  /* ── Stats row: 2 per row ── */
  .stat-card { flex: 1 1 calc(50% - 6px); min-width: 110px; }
  /* ── Rack view: stack pool above racks ── */
  .rack-layout { flex-direction: column; }
  .device-pool { width: 100%; min-width: 0; }
  /* ── Port assignment: stack switch list above ports ── */
  .port-layout { flex-direction: column; }
  .port-switch-selector { width: 100%; min-width: 0; }
  /* ── Flowchart: pool panel stacks below canvas ── */
  .fc-main-layout { flex-direction: column; }
  .fc-pool-panel { width: 100%; max-height: none; }
  /* ── Photos ── */
  .photo-editor-wrap { flex-direction: column; height: auto; min-height: 0; }
  .photo-editor-canvas { height: 56vw; min-height: 220px; max-height: 60vh; flex: none; width: 100%; }
  .photo-editor-sidebar { width: 100%; max-height: none; }
  .photo-overlay-box { font-size: 11px; padding: 4px 9px; max-width: 160px; }
}

  /* ─── GLOBAL SETTINGS / WALKTHROUGH ─── */
  .gs-code { background: #060d14; border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; font-family: Consolas,monospace; font-size: 11px; color: #8be0a0; overflow-x: auto; white-space: pre; margin: 8px 0 0; line-height: 1.5; }

  /* ─── PATCH PANEL EDIT PORT DIAGRAM ─── */
  .pp-edit-grid { display: flex; flex-wrap: wrap; gap: 4px; padding: 10px; background: #060d14; border-radius: 6px; border: 1px solid var(--border); }
  .pp-edit-port { width: 38px; height: 38px; border-radius: 4px; border: 1.5px solid; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; transition: transform .1s, box-shadow .15s; flex-shrink: 0; }
  .pp-edit-port:hover { transform: scale(1.15); z-index: 2; position: relative; }
  .pp-edit-num { font-size: 9px; font-family: Consolas,monospace; line-height: 1; }
  .pp-edit-lbl { font-size: 8px; font-family: Consolas,monospace; line-height: 1; margin-top: 2px; max-width: 34px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* ─── PORT CONNECTION BADGE ─── */
  .port-conn-badge { font-size: 10px; font-family: var(--mono); color: var(--accent); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* ─── STATUS BADGES (Feature 1) ─── */
  .status-badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-family: var(--mono); font-weight: 600; white-space: nowrap; }
  .status-dot-rack { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; position: absolute; top: 3px; right: 3px; z-index: 4; border: 1px solid rgba(0,0,0,.4); }
  /* ─── ASSET DETAILS COLLAPSIBLE ─── */
  .asset-section { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-bottom: 12px; }
  .asset-section-hdr { display: flex; align-items: center; justify-content: space-between; padding: 9px 14px; background: var(--panel); cursor: pointer; user-select: none; font-size: 12px; color: var(--text2); font-family: var(--mono); text-transform: uppercase; letter-spacing: 1px; }
  .asset-section-hdr:hover { color: var(--text); }
  .asset-section-body { padding: 14px; display: none; }
  .asset-section-body.open { display: block; }
  /* ─── CHECKLIST ─── */
  .checklist-group { margin-bottom: 20px; }
  .checklist-group-hdr { font-size: 11px; color: var(--text2); font-family: var(--mono); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }
  .checklist-item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: var(--card); border: 1px solid var(--border); border-radius: 5px; margin-bottom: 5px; transition: all .14s; }
  .checklist-item:hover { border-color: var(--border2); }
  .checklist-item.done { opacity: .55; }
  .checklist-item label { flex: 1; cursor: pointer; font-size: 13px; }
  .checklist-item.done label { text-decoration: line-through; color: var(--text2); }
  .progress-bar-wrap { height: 8px; background: var(--panel); border-radius: 4px; overflow: hidden; margin-bottom: 16px; border: 1px solid var(--border); }
  .progress-bar-fill { height: 100%; background: var(--green); border-radius: 4px; transition: width .3s; }
  /* ─── VENDOR TABLE ─── */
  .vendor-table-wrap { overflow-x: auto; }
  /* ─── TIME LOG ─── */
  .timer-running { animation: pulse-timer 1s infinite; }
  @keyframes pulse-timer { 0%,100% { opacity:1; } 50% { opacity:.6; } }
  /* ─── FIELD MODE ─── */
  .field-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: var(--card); border: 2px solid var(--border); border-radius: 12px; padding: 24px 16px; cursor: pointer; transition: all .18s; min-height: 100px; flex: 1; }
  .field-btn:hover { border-color: var(--accent); background: var(--card2); transform: translateY(-2px); }
  .field-btn .fbi { font-size: 32px; }
  .field-btn .fbl { font-size: 13px; font-weight: 600; color: var(--text); }
  /* ─── CABLE RUNS ─── */
  .cable-type-badge { display: inline-block; padding: 1px 7px; border-radius: 3px; font-size: 11px; font-family: var(--mono); background: var(--card2); border: 1px solid var(--border2); color: var(--text2); }
  .cr-view-toggle { display: inline-flex; gap: 0; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-right: 10px; }
  .cr-view-toggle button { background: none; border: none; color: var(--text2); font-size: 11px; font-family: var(--mono); padding: 4px 12px; cursor: pointer; transition: all .12s; }
  .cr-view-toggle button.active { background: var(--accent); color: #000; font-weight: 700; }
  .cr-map-wrap { display: flex; gap: 0; height: calc(100vh - 110px); }
  .cr-map-toolbar { width: 200px; flex-shrink: 0; border-right: 1px solid var(--border); padding: 10px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
  .cr-map-canvas { flex: 1; position: relative; overflow: hidden; background: #060d14; border-radius: 0 8px 8px 0; touch-action: none; }
  .cr-map-canvas.edit-mode { box-shadow: inset 0 0 0 2px rgba(255,170,0,.35); }
  .cr-map-canvas img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; user-select: none; pointer-events: none; }
  .cr-edit-badge { position: absolute; top: 8px; left: 8px; background: rgba(255,170,0,.9); color: #000; font-size: 10px; font-weight: 700; font-family: var(--mono); padding: 3px 8px; border-radius: 4px; z-index: 20; pointer-events: none; }
  .cr-draw-hint { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,.85); color: var(--accent); font-size: 11px; font-family: var(--mono); padding: 4px 12px; border-radius: 4px; z-index: 20; pointer-events: none; white-space: nowrap; }
  .cr-symbol-btn { display: flex; align-items: center; gap: 6px; background: var(--card2); border: 1px solid var(--border); border-radius: 5px; padding: 5px 8px; cursor: pointer; color: var(--text); font-size: 11px; font-family: var(--mono); transition: all .12s; width: 100%; text-align: left; }
  .cr-symbol-btn:hover { border-color: var(--accent); color: var(--accent); }
  .cr-symbol-btn.active { border-color: var(--accent); background: rgba(0,232,122,.1); color: var(--accent); }
  .cr-symbol-marker { position: absolute; cursor: grab; z-index: 10; transform: translate(-50%, -50%); }
  .cr-symbol-marker svg { filter: drop-shadow(0 1px 3px rgba(0,0,0,.6)); }
  .cr-toolbar-section { font-size: 10px; color: var(--text3); font-family: var(--mono); text-transform: uppercase; letter-spacing: .5px; padding: 4px 0 2px; border-bottom: 1px solid var(--border); }
  .cr-path-item { display: flex; align-items: center; gap: 5px; font-size: 11px; padding: 3px 6px; border-radius: 4px; cursor: pointer; transition: background .1s; }
  .cr-path-item:hover { background: var(--card2); }
  @media (max-width: 700px) {
    .cr-map-wrap { flex-direction: column; height: auto; }
    .cr-map-toolbar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); flex-direction: row; flex-wrap: wrap; overflow-x: auto; overflow-y: hidden; max-height: 120px; }
    .cr-map-canvas { min-height: 50vh; border-radius: 0 0 8px 8px; }
  }
  /* ─── SITE MAP ─── */
  .sitemap-canvas { position: relative; overflow: hidden; background: #060d14; border: 1px solid var(--border); border-radius: 8px; touch-action: none; }
  .sitemap-canvas.edit-mode { border-color: var(--amber); box-shadow: 0 0 0 2px rgba(255,170,0,.2); }
  .sitemap-marker { position: absolute; transform: translate(-50%, -100%); cursor: pointer; z-index: 10; display: flex; flex-direction: column; align-items: center; transform-origin: bottom center; }
  .sitemap-pin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255,255,255,.5); box-shadow: 0 2px 8px rgba(0,0,0,.5); }
  .sitemap-label { font-size: 10px; font-family: var(--mono); background: rgba(0,0,0,.75); color: #fff; padding: 1px 5px; border-radius: 3px; margin-bottom: 2px; white-space: nowrap; }
  .sm-edit-badge { position: absolute; top: 8px; left: 8px; background: rgba(255,170,0,.9); color: #000; font-size: 10px; font-weight: 700; font-family: var(--mono); padding: 3px 8px; border-radius: 4px; z-index: 20; pointer-events: none; }
  .sm-drawing-hint { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,.8); color: var(--accent); font-size: 11px; font-family: var(--mono); padding: 4px 10px; border-radius: 4px; z-index: 20; pointer-events: none; white-space: nowrap; }
  /* ─── AMBER TOAST ─── */
  #toast.warning { border-color: var(--amber); color: var(--amber); }
  /* ─── TIMER TOPBAR ─── */
  #active-timer-display { font-family: var(--mono); font-size: 12px; color: var(--amber); background: rgba(255,170,0,.1); border: 1px solid rgba(255,170,0,.3); border-radius: 5px; padding: 3px 10px; cursor: pointer; }