:root {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --border: #cbd5e1;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --warn-bg: #fef3c7;
  --warn-border: #d97706;
  --warn-ink: #92400e;
  --ok-bg: #dcfce7;
  --ok-border: #16a34a;
  --ok-ink: #166534;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.calibration-banner {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--warn-border);
  background: var(--warn-bg);
  color: var(--warn-ink);
  flex-shrink: 0;
}

.calibration-banner.calibrated {
  background: var(--ok-bg);
  border-bottom-color: var(--ok-border);
  color: var(--ok-ink);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand {
  font-weight: 700;
  font-size: 14px;
  margin-right: 8px;
  white-space: nowrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-right: 8px;
  border-right: 1px solid var(--border);
}

.toolbar-group:last-child {
  border-right: none;
}

button, .btn {
  background: #f8fafc;
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 4px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

button:hover, .btn:hover {
  background: #e2e8f0;
}

button.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent-hover);
}

button.primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent-hover);
}

button.primary:hover {
  background: var(--accent-hover);
}

button.danger {
  color: var(--danger);
  border-color: #fca5a5;
}

button.danger:hover {
  background: #fee2e2;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.layer-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  padding: 2px 5px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  user-select: none;
}

.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 340px 1fr 370px;
  min-height: 0;
}

.sidebar-left, .sidebar-right {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 10px;
  gap: 10px;
}

.sidebar-right {
  border-right: none;
  border-left: 1px solid var(--border);
}

.card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  background: #ffffff;
}

.card h3 {
  margin: 0 0 8px 0;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 7px;
}

.field-row label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.field-row input, .field-row select, .field-row textarea {
  font-size: 12px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
}

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

.canvas-container {
  position: relative;
  background: #e2e8f0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.canvas-hud-top {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

.hud-badge {
  background: rgba(15, 23, 42, 0.86);
  color: #f8fafc;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  pointer-events: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.canvas-hud-bottom {
  position: absolute;
  bottom: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
  z-index: 10;
}

.scale-bar-box {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--ink);
}

.scale-bar-line {
  height: 5px;
  border: 1.5px solid var(--ink);
  border-top: none;
  margin-top: 2px;
  width: 100px;
}

#viewportSvg {
  width: 100%;
  height: 100%;
  cursor: grab;
  user-select: none;
}

#viewportSvg.tool-select,
#viewportSvg.tool-split,
#viewportSvg.tool-marker,
#viewportSvg.tool-calibrate,
#viewportSvg.tool-draw {
  cursor: crosshair;
}

#viewportSvg.dragging {
  cursor: grabbing;
}

#basePlanGroup path {
  transition: stroke 0.08s;
}

#basePlanGroup path:hover {
  stroke: #0284c7 !important;
}

#basePlanGroup path.path-selected {
  stroke: #d946ef !important;
  stroke-width: 1.4px !important;
}

#basePlanGroup path.path-zone-highlight {
  stroke: #06b6d4 !important;
  stroke-width: 1.3px !important;
}

.zone-poly {
  cursor: pointer;
  transition: fill-opacity 0.1s;
}

.zone-poly:hover {
  fill-opacity: 0.42;
}

.zone-poly.active-zone {
  stroke-width: 1.6;
  stroke-dasharray: none;
  fill-opacity: 0.45;
}

.vertex-handle {
  fill: #ffffff;
  stroke: #dc2626;
  stroke-width: 0.7;
  cursor: move;
}

.vertex-handle:hover {
  fill: #fef08a;
  r: 2.6;
}

.zone-table-wrap {
  flex: 1;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

table.zone-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

table.zone-table th, table.zone-table td {
  padding: 5px 6px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
}

table.zone-table th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  font-weight: 700;
  z-index: 2;
}

table.zone-table tr {
  cursor: pointer;
}

table.zone-table tr:hover {
  background: #f1f5f9;
}

table.zone-table tr.selected-row {
  background: #dbeafe;
}

.kind-pill {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  color: #ffffff;
}

.provisional-tag {
  font-size: 10px;
  color: var(--warn-ink);
  font-weight: 600;
}

.notice-bar {
  font-size: 11.5px;
  padding: 6px 8px;
  border-radius: 4px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
}

.notice-bar.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.sync-group {
  border-right: none;
  gap: 5px;
  flex-wrap: nowrap;
}

.sync-group input[type="text"],
.sync-group input[type="password"] {
  font-size: 11.5px;
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 92px;
  font-family: inherit;
}

.sync-group select {
  font-size: 11.5px;
  padding: 3px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  max-width: 150px;
  font-family: inherit;
}

.sync-pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid transparent;
}

.sync-local {
  background: #e2e8f0;
  color: #334155;
  border-color: #cbd5e1;
}

.sync-synced {
  background: var(--ok-bg);
  color: var(--ok-ink);
  border-color: var(--ok-border);
}

.sync-dirty {
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-color: var(--warn-border);
}

.sync-saving {
  background: #dbeafe;
  color: #1e3a8a;
  border-color: #93c5fd;
}

.sync-conflict {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fca5a5;
}

.sync-error {
  background: #fef2f2;
  color: #7f1d1d;
  border-color: #fca5a5;
}

.sync-autosave {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  padding: 2px 5px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.conflict-banner {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #dc2626;
  background: #fee2e2;
  color: #991b1b;
  flex-shrink: 0;
}

.conflict-banner[hidden],
[hidden] {
  display: none !important;
}

.conflict-banner-actions {
  display: inline-flex;
  gap: 6px;
}

.conflict-banner-actions button {
  font-size: 11px;
  padding: 3px 8px;
}


.print-only-stamp {
  display: none;
}

@media print {
  @page {
    size: A3 landscape;
    margin: 5mm;
  }
  body {
    height: auto;
    overflow: visible;
    background: #ffffff;
  }
  .topbar, .sidebar-left, .sidebar-right, .canvas-hud-top, .canvas-hud-bottom, .conflict-banner {
    display: none !important;
  }
  .workspace {
    display: block;
  }
  .canvas-container {
    background: #ffffff;
    width: 100%;
    height: auto;
    overflow: visible;
  }
  body.print-1-200 #viewportSvg {
    width: 420mm !important;
    height: 354mm !important;
  }
  body.print-1-250 #viewportSvg {
    width: 336mm !important;
    height: 283.2mm !important;
  }
  .print-only-stamp {
    display: block;
    font-size: 12pt;
    font-weight: bold;
    padding: 4mm;
    border: 1px solid #000;
    margin-bottom: 3mm;
  }
}