:root {
  --bg: #1e2228;
  --panel: #262b33;
  --panel-alt: #2d333d;
  --border: #3a4150;
  --text: #e6e9ef;
  --text-dim: #9aa4b2;
  --accent: #4da3ff;
  --accent-dim: #2c5d8a;
  --danger: #e05555;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Topbar */
#topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.brand {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.mode-switch {
  display: flex;
  gap: 4px;
  background: var(--bg);
  padding: 3px;
  border-radius: var(--radius);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

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

.topbar-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

button {
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

button:hover { background: #363d49; }
button:active { background: var(--accent-dim); }

.full-width-btn { width: 100%; margin-top: 6px; }

.dropdown { position: relative; }

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-direction: column;
  min-width: 150px;
  z-index: 50;
  overflow: hidden;
}

.dropdown-menu.open { display: flex; }

.dropdown-menu button {
  border: none;
  border-radius: 0;
  text-align: left;
  background: transparent;
}

.dropdown-menu button:hover { background: var(--accent-dim); }

/* Workspace */
#workspace {
  flex: 1;
  display: flex;
  min-height: 0;
}

#palette, #properties {
  width: 240px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 10px;
  overflow-y: auto;
}

#properties {
  border-right: none;
  border-left: 1px solid var(--border);
}

.palette-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 10px 0 6px;
}

.palette-header:first-child { margin-top: 0; }

#symbol-search {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  margin-bottom: 8px;
}

.symbol-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.symbol-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: grab;
  text-align: center;
}

.symbol-item:hover { border-color: var(--accent); }

.symbol-item svg { width: 36px; height: 36px; }

.symbol-item .symbol-label {
  font-size: 10.5px;
  color: var(--text-dim);
  line-height: 1.2;
}

/* Canvas area */
#canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #14171b;
}

#canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#zoom-level {
  min-width: 42px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
}

.sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

.signal-type-label {
  color: var(--text-dim);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.signal-type-label select {
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
}

#canvas-scroll {
  flex: 1;
  overflow: auto;
  position: relative;
}

#drawing-svg {
  display: block;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 20px 20px;
  background-color: #181c22;
}

/* Devices */
.device-node { cursor: grab; }
.device-node.selected .device-box { stroke: var(--accent); stroke-width: 2.5; }
.device-node:active { cursor: grabbing; }
.device-label {
  fill: var(--text);
  font-size: 11px;
  font-family: inherit;
  pointer-events: none;
  user-select: none;
}
.device-sublabel {
  fill: var(--text-dim);
  font-size: 9.5px;
  pointer-events: none;
  user-select: none;
}

.port-dot {
  stroke: #14171b;
  stroke-width: 1;
  pointer-events: none;
}
.port-label {
  font-size: 8.5px;
  fill: var(--text-dim);
  pointer-events: none;
  user-select: none;
}
.port-connector {
  font-size: 6.5px;
  fill: #6b7280;
  opacity: 0.85;
}
.port-hit {
  fill: transparent;
  pointer-events: all;
  cursor: crosshair;
}
.port-hit:hover {
  fill: rgba(255, 255, 255, 0.1);
}

/* Connections */
.connection-line {
  fill: none;
  stroke-width: 2;
  cursor: pointer;
}
.connection-line.selected {
  stroke-width: 3;
  filter: drop-shadow(0 0 2px rgba(255,255,255,0.6));
}
.connection-hitarea {
  fill: none;
  stroke: transparent;
  stroke-width: 14;
  cursor: pointer;
}
.connection-label {
  fill: var(--text);
  font-size: 10px;
  pointer-events: none;
}

/* Rack */
.rack-frame-bg { fill: #20242b; stroke: var(--border); stroke-width: 1.5; }
.rack-slot-line { stroke: #333a45; stroke-width: 1; }
.rack-ru-label { fill: #5b6470; font-size: 8px; }
.rack-device.selected rect.rack-device-box { stroke: var(--accent); stroke-width: 2.5; }
.rack-device-box { stroke: var(--border); stroke-width: 1; }
.rack-device-label { fill: var(--text); font-size: 11px; pointer-events: none; user-select: none; }
.rack-header-label { fill: var(--text); font-size: 12px; font-weight: 600; }

/* Properties panel */
#properties-content .hint {
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.4;
}

.prop-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.prop-row label {
  font-size: 11px;
  color: var(--text-dim);
}

.prop-row input, .prop-row select, .prop-row textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 5px 7px;
  font-size: 13px;
  font-family: inherit;
}

.prop-row textarea { resize: vertical; min-height: 40px; }

.prop-color-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}
.color-swatch.selected { border-color: #fff; }

.prop-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
  width: 100%;
  margin-top: 4px;
}

.port-edit-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
}
.port-edit-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
}
.port-edit-row select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 4px;
  font-size: 11px;
  flex-shrink: 0;
}
.port-edit-row input.port-connector-input {
  flex: 0 0 64px;
}
.port-dir-badge {
  font-size: 10px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 5px;
  flex-shrink: 0;
}
.port-remove-btn {
  flex-shrink: 0;
  width: 22px;
  padding: 2px 0;
  line-height: 1;
  color: var(--text-dim);
}
.port-remove-btn:hover {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}
.port-add-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  margin-bottom: 10px;
}
.port-add-row button {
  flex: 1;
  font-size: 11.5px;
  padding: 5px 4px;
}

/* Legend */
#legend-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
}
.legend-item { display: flex; align-items: center; gap: 8px; }
.legend-swatch { width: 26px; height: 0; border-top-width: 3px; border-top-style: solid; flex-shrink: 0; }

/* Statusbar */
#statusbar {
  padding: 4px 12px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11.5px;
  flex-shrink: 0;
}

/* Utility */
.hidden { display: none !important; }

/* Quote panel */
#quote-panel, #reporting-panel, #admin-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #14171b;
  padding: 16px 20px;
  overflow-y: auto;
}

.reporting-columns {
  display: flex;
  gap: 20px;
  flex: 1;
  min-height: 0;
  margin-top: 12px;
}
.reporting-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.reporting-col .quote-table-wrap { margin-bottom: 16px; max-height: 260px; }

.quote-header { margin-bottom: 14px; }

.quote-name-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-dim);
  max-width: 320px;
}

.quote-name-label input {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 7px 9px;
  font-size: 14px;
}

.quote-columns {
  display: flex;
  gap: 20px;
  flex: 1;
  min-height: 0;
}

.quote-search-col { flex: 1.4; min-width: 0; display: flex; flex-direction: column; }
.quote-current-col { flex: 1; min-width: 340px; display: flex; flex-direction: column; }

.quote-search-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.quote-search-row select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 13px;
}

.quote-search-row input[type="text"] {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 13px;
}

.quote-import-btn {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
}
.quote-import-btn:hover { background: #363d49; }

.quote-actions-row {
  display: flex;
  gap: 8px;
  margin: 8px 0 10px;
}
.quote-actions-row button { flex: 1; padding: 8px 6px; font-size: 12.5px; font-weight: 600; }

.quote-btn-excel { background: #2b7a3d; border-color: #2b7a3d; color: #fff; }
.quote-btn-excel:hover { background: #33903f; }
.quote-btn-pdf { background: #2b6a7a; border-color: #2b6a7a; color: #fff; }
.quote-btn-pdf:hover { background: #337d90; }
.quote-btn-reset { background: var(--danger); border-color: var(--danger); color: #fff; }
.quote-btn-reset:hover { background: #c94848; }

.quote-table-wrap {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  min-height: 120px;
}

.quote-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.quote-table th {
  position: sticky;
  top: 0;
  text-align: left;
  background: var(--panel-alt);
  color: var(--text-dim);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.quote-table td {
  padding: 7px 8px;
  border-bottom: 1px solid #2a2f38;
  vertical-align: top;
  color: var(--text);
}

.quote-table td.desc-cell {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quote-table tbody tr:hover { background: rgba(255,255,255,0.03); }

.quote-table .qty-input {
  width: 46px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 3px 5px;
  font-size: 12px;
}

.quote-table button.add-btn, .quote-table button.remove-btn {
  font-size: 11px;
  padding: 4px 8px;
  white-space: nowrap;
}
.quote-table button.remove-btn { background: var(--danger); border-color: var(--danger); color: #fff; }

#quote-search-hint, #quote-empty-hint, #quote-log-empty-hint {
  padding: 14px;
  margin: 0;
}

.quote-total-row {
  text-align: right;
  padding: 10px 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.quote-total-row span { color: var(--accent); }

.quote-pricing-source-wrap { flex: 0 0 auto; max-height: 160px; }

@media print {
  #topbar, #palette, #properties, #canvas-toolbar, #statusbar { display: none !important; }
  #workspace, #canvas-area, #canvas-scroll { display: block !important; overflow: visible !important; height: auto !important; }
  #drawing-svg { background: #fff !important; }
  body { background: #fff; }

  #estimate-print-view { display: none; }
  body.printing-estimate > #app > *:not(#estimate-print-view) { display: none !important; }
  body.printing-estimate #estimate-print-view {
    display: block !important;
    background: #fff;
    color: #000;
    font-family: "Century Gothic", "Futura", Arial, sans-serif;
    padding: 0.25in;
  }

  #reporting-panel.printing {
    display: block !important;
    background: #fff !important;
    color: #000 !important;
  }
  #reporting-panel.printing .quote-actions-row,
  #reporting-panel.printing #quote-export-log,
  #reporting-panel.printing .reporting-col:nth-of-type(2) .palette-header:first-of-type,
  #reporting-panel.printing .reporting-col:nth-of-type(2) #quote-export-log,
  #reporting-panel.printing #quote-log-empty-hint {
    display: none !important;
  }
  #reporting-panel.printing .reporting-columns { display: block; }
  #reporting-panel.printing .quote-table-wrap { border: none; background: #fff; overflow: visible; max-height: none; }
  #reporting-panel.printing .quote-table th { background: #eee; color: #000; }
  #reporting-panel.printing .quote-table td { color: #000; border-color: #ccc; }
}

/* Estimate print layout (screen styles harmless — element stays display:none outside print) */
.estimate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #000;
  padding-bottom: 8px;
  margin-bottom: 8px;
}
.estimate-logo { height: 48px; }
.estimate-title { font-size: 28px; font-weight: bold; text-align: right; }
.estimate-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 12px;
}
.estimate-fields div { margin-bottom: 2px; text-align: right; }
.estimate-fields .fld-label { font-weight: bold; margin-right: 8px; }
.estimate-items-table { width: 100%; border-collapse: collapse; font-size: 10px; }
.estimate-items-table th {
  text-align: center;
  font-weight: bold;
  border-bottom: 2px solid #000;
  padding: 6px 4px;
}
.estimate-items-table td { text-align: center; padding: 5px 4px; border-bottom: 1px solid #ccc; }
.estimate-items-table td.est-desc { text-align: left; }
.estimate-items-table td.est-mfr { text-align: left; }
.estimate-totals-row td { font-weight: bold; font-size: 13px; border-top: 2px solid #000; border-bottom: none; }
.estimate-disclaimers { margin-top: 14px; font-size: 9px; }
.estimate-disclaimers p { margin: 2px 0; }