html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
  color: #1b1f23;
}

[hidden] {
  display: none !important;
}

#map {
  position: absolute;
  inset: 0;
  background: #ffffff;
}

.status {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 12;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.2;
  color: #1f2937;
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

.status.error {
  color: #b42318;
}

.zoom-indicator {
  position: absolute;
  bottom: 40px;
  left: 12px;
  z-index: 12;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #1f2937;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.status.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.attrib {
  position: absolute;
  z-index: 10;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 10px;
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.25;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}

.attrib {
  right: 12px;
  bottom: 12px;
  max-width: min(520px, calc(100vw - 24px));
}

.ol-scale-line {
  left: 12px;
  right: auto;
  bottom: 12px;
}

.route-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 12;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
  padding: 8px 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
  backdrop-filter: blur(4px);
}

.route-panel-collapse-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #ffffff;
  color: #111827;
  border-radius: 999px;
  font-size: 11px;
  line-height: 1;
  padding: 7px 9px;
  cursor: pointer;
  white-space: nowrap;
}

.route-panel-collapse-toggle:hover {
  background: #f3f4f6;
}

.route-panel-collapse-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.route-panel.collapsed {
  gap: 0;
  padding: 6px;
}

.route-panel.collapsed > :not(.route-panel-collapse-toggle) {
  display: none;
}

.route-distance {
  font-size: 12px;
  color: #1f2937;
  white-space: nowrap;
}

.route-plan-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #ffffff;
  color: #111827;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  padding: 7px 10px;
  cursor: pointer;
}

.route-plan-toggle.active {
  background: #0f766e;
  color: #ffffff;
  border-color: #0f766e;
}

.route-plan-toggle:hover {
  background: #f3f4f6;
}

.route-plan-toggle.active:hover {
  background: #0d6d66;
}

.route-plan-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.route-unit-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #0f172a;
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  padding: 7px 10px;
  cursor: pointer;
}

.route-unit-toggle:hover {
  background: #111827;
}

.route-unit-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.route-clear-btn {
  border: 1px solid rgba(185, 28, 28, 0.28);
  background: #fff1f2;
  color: #9f1239;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  padding: 7px 10px;
  cursor: pointer;
}

.route-clear-btn:hover {
  background: #ffe4e6;
}

.route-clear-btn:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.mask-area-panel {
  position: absolute;
  top: 56px;
  right: 12px;
  z-index: 12;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 8px;
  padding: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
  backdrop-filter: blur(4px);
  max-width: 320px;
}

.mask-panel-header {
  font-size: 13px;
  font-weight: 600;
  color: #111827;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.mask-area-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #ffffff;
  color: #111827;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 500;
}

.mask-area-toggle.active {
  background: #dc2626;
  color: #ffffff;
  border-color: #dc2626;
}

.mask-area-toggle:hover {
  background: #f3f4f6;
}

.mask-area-toggle.active:hover {
  background: #b91c1c;
}

.mask-area-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.mask-mode-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #0f172a;
  color: #ffffff;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 500;
}

.mask-mode-toggle:hover {
  background: #111827;
}

.mask-mode-toggle.view {
  background: #475569;
  border-color: #475569;
}

.mask-mode-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.mask-mode-toggle {
  border: 1px solid rgba(0,0,0,0.16);
  background: #0f172a;
  color: #ffffff;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 500;
}

.mask-mode-toggle:hover {
  background: #111827;
}

.mask-mode-toggle.view {
  background: #475569;
  border-color: #475569;
}

.mask-mode-toggle:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.mask-area-save {
  border: 1px solid rgba(0,0,0,0.16);
  background: #ffffff;
  color: #111827;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 500;
}

.mask-area-save:hover {
  background: #f3f4f6;
}

.mask-area-save:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.mask-area-save:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mask-areas-list {
  font-size: 11px;
  color: #666;
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mask-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  padding: 8px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  align-items: center;
}

.mask-item.editing {
  background: #fef3c7;
  border-color: #fcd34d;
}

.mask-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mask-item-name {
  font-weight: 500;
  color: #111827;
  font-size: 12px;
}

.mask-item-meta {
  font-size: 10px;
  color: #9ca3af;
}

.mask-item-color {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.mask-item-controls {
  display: flex;
  gap: 2px;
  grid-column: 1 / -1;
}

.mask-item-btn {
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #111827;
  border-radius: 4px;
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  flex: 1;
  transition: all 150ms ease;
}

.mask-item-btn:hover {
  background: #f3f4f6;
  border-color: #9ca3af;
}

.mask-item-btn.toggle-vis.hidden {
  opacity: 0.5;
}

.mask-item-btn.edit {
  background: #dbeafe;
  border-color: #93c5fd;
  color: #1e40af;
}

.mask-item-btn.edit:hover {
  background: #bfdbfe;
}

.mask-item-btn.delete {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.mask-item-btn.delete:hover {
  background: #fecaca;
}

@media (max-width: 680px) {
  .zoom-indicator {
    display: none;
  }

  .attrib {
    right: 8px;
    bottom: 8px;
    max-width: min(360px, calc(100vw - 16px));
    padding: 4px 6px;
    font-size: 10px;
    line-height: 1.2;
    opacity: 0.9;
  }

  .route-panel {
    top: auto;
    right: 12px;
    left: 12px;
    bottom: 74px;
    justify-content: space-between;
  }

  .route-panel.collapsed {
    left: auto;
    right: 8px;
    top: 12px;
    bottom: auto;
  }
}