.chart-workshop {
  --chart-accent: #a45530;
  margin: 28px 0 12px;
  border: 1px solid #c7d5cb;
  border-radius: 16px;
  overflow: hidden;
  background: #fffdf7;
  box-shadow: 0 12px 34px #173f4509;
}
.chart-workshop [hidden] {
  display: none !important;
}
.chart-workshop-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 24px;
}
.chart-workshop-heading h3 {
  margin: 4px 0 0;
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
}
.chart-fiction {
  font-size: 0.7rem;
  color: #67715f;
  max-width: 190px;
}
.chart-controls {
  padding: 0 24px;
}
.chart-toolbar,
.chart-demo-controls,
.chart-action-row,
.chart-line-controls,
.chart-point-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.chart-toolbar {
  margin-bottom: 12px;
}
.chart-workshop button,
.chart-workshop select {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid #aebfb3;
  border-radius: 7px;
  color: #214a40;
  background: #fffdf7;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}
.chart-workshop button {
  font-weight: 650;
}
.chart-workshop button[aria-pressed="true"],
.chart-workshop [data-action="check"] {
  background: #265b4d;
  color: white;
  border-color: #265b4d;
}
.chart-workshop button:disabled {
  opacity: 0.45;
  cursor: default;
}
.chart-workshop button:hover:enabled {
  border-color: #864320;
}
.chart-workshop button:focus-visible,
.chart-workshop select:focus-visible,
.chart-workshop input:focus-visible {
  outline: 3px solid #b77737;
  outline-offset: 3px;
}
.chart-demo-controls button:first-child {
  color: #8a4626;
  border-color: #c8a27b;
}
.chart-lesson {
  margin: 20px 24px 16px;
  padding-left: 16px;
  border-left: 3px solid #b77737;
  min-height: 104px;
}
.chart-lesson strong {
  font-size: 1rem;
}
.detail-body .chart-lesson p {
  margin: 5px 0 0;
  font-size: 0.85rem;
  line-height: 1.55;
}
.chart-stage {
  position: relative;
  border-top: 1px solid #ded9c6;
  border-bottom: 1px solid #ded9c6;
  background: #fbf6e6;
  overflow: hidden;
}
.chart-fixed-north {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  color: #345e53;
  background: #fffdf2e6;
  border-radius: 5px;
  padding: 5px 8px;
  font-size: 15px;
  font-weight: 750;
  pointer-events: none;
}
.chart-step-footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 14px 16px 0;
}
.chart-step-footer button {
  flex: 1;
}
.navigation-chart {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
  user-select: none;
}
.chart-workshop[data-mode="draw"] .navigation-chart {
  cursor: crosshair;
}
.chart-workshop[data-mode="pan"] .navigation-chart {
  cursor: grab;
}
.chart-zoom {
  position: absolute;
  top: 8px;
  left: 8px;
  display: flex;
  gap: 4px;
}
.chart-zoom button {
  padding: 5px 10px;
  background: #fffdf2f0;
  font-size: 14px;
  box-shadow: 0 2px 5px #284b4210;
}
.chart-zoom button:nth-child(-n + 2) {
  width: 44px;
  font-size: 23px;
}
.chart-land-label {
  font-family: Georgia, serif;
  font-size: 23px;
  fill: #646b50;
}
.chart-sea-label {
  font-size: 18px;
  letter-spacing: 4px;
  fill: #6e9790;
}
.chart-feature-label,
.chart-north {
  font-size: 20px;
  fill: #35675f;
}
[data-chart-points] {
  fill: #234e43;
  font-size: 20px;
  font-weight: 650;
}
.chart-point-hit {
  fill: transparent;
}
[data-chart-scale] {
  font-size: 20px;
  fill: #556c58;
}
.plotter-body {
  fill: #fffef54d;
  stroke: #628d87;
  stroke-width: 2;
  cursor: move;
}
.plotter-edge {
  stroke: #a45530;
  stroke-width: 4;
  cursor: move;
}
.plotter-course {
  fill: none;
  stroke: #a45530;
  stroke-width: 3;
}
.plotter-label {
  fill: #28534a;
  font-size: 17px;
  font-weight: 650;
}
.plotter-rose-body {
  fill: #fffdf0c9;
  stroke: #67877b;
  stroke-width: 2;
}
.plotter-rose-grid {
  stroke: #789f894f;
  stroke-width: 1;
  fill: none;
  pointer-events: none;
}
[data-rose] {
  cursor: grab;
}
[data-rose-ticks] {
  font-size: 12px;
  fill: #305249;
  pointer-events: none;
}
.plotter-north {
  fill: none;
  stroke: #227758;
  stroke-width: 3;
  pointer-events: none;
}
.plotter-north-letter {
  fill: #227758;
  font-size: 18px;
  font-weight: 750;
  pointer-events: none;
}
.plotter-turn {
  cursor: grab;
}
.plotter-turn circle {
  fill: #fff3dc;
  stroke: #a45530;
  stroke-width: 2;
}
.plotter-turn .plotter-turn-hit {
  fill: transparent;
  stroke: none;
}
.plotter-turn path {
  fill: none;
  stroke: #a45530;
  stroke-width: 2;
  pointer-events: none;
}
.chart-workshop[data-mode="draw"] [data-plotter],
.chart-workshop[data-mode="pan"] [data-plotter] {
  pointer-events: none;
}
.detail-body .chart-help {
  margin: 12px 24px 18px;
  color: #567064;
  font-size: 0.75rem;
  line-height: 1.5;
}
.chart-bottom {
  padding-bottom: 24px;
}
.chart-measurements {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0 0 20px;
}
.chart-measurements > div {
  padding: 16px;
  background: #edf2e8;
  border-radius: 8px;
}
.chart-measurements span,
.chart-measurements small {
  display: block;
  font-size: 0.7rem;
  line-height: 1.45;
  color: #476357;
}
.chart-measurements strong {
  display: block;
  font-size: 1.75rem;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  margin: 5px 0;
  color: #234d40;
}
.plotter-adjustments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 16px;
}
.chart-workshop label {
  font-size: 0.8rem;
}
.plotter-adjustments input {
  display: block;
  width: 100%;
  min-height: 44px;
  accent-color: #2b6654;
}
.chart-workshop select {
  max-width: 100%;
}
.chart-line-controls label {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 1;
  min-width: 180px;
}
.chart-line-controls select {
  min-width: 0;
  flex: 1;
}
.detail-body .chart-feedback {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 8px;
  background: #f5eddd;
  font-size: 0.85rem;
  line-height: 1.55;
}
.chart-feedback[data-result="good"] {
  background: #e9f3e9;
}
.chart-feedback[data-result="warning"] {
  background: #fae8de;
}
.chart-precise {
  border-top: 1px solid #d6ded2;
  padding: 14px 0;
  margin: 12px 0;
  font-size: 0.8rem;
}
.chart-precise summary {
  cursor: pointer;
  min-height: 44px;
  display: list-item;
  list-style-position: inside;
  padding: 10px 0;
}
.chart-precise .chart-action-row,
.chart-point-controls {
  margin: 12px 0;
}
.chart-precise input[type="checkbox"] {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  accent-color: #265b4d;
}
@media (max-width: 600px) {
  .chart-workshop-heading {
    padding: 18px 16px;
  }
  .chart-fiction {
    max-width: none;
    font-size: 12px;
  }
  .chart-controls {
    padding-right: 16px;
    padding-left: 16px;
  }
  .chart-toolbar {
    gap: 6px;
  }
  .chart-toolbar button {
    flex: 1 1 120px;
  }
  .chart-workshop button,
  .chart-workshop select {
    font-size: 14px;
  }
  .chart-lesson {
    margin: 16px;
    min-height: 116px;
  }
  .detail-body .chart-lesson p,
  .detail-body .chart-feedback {
    font-size: 15px;
  }
  .navigation-chart {
    height: 390px;
  }
  .detail-body .chart-help {
    margin: 12px 16px 16px;
    font-size: 13px;
  }
  .chart-measurements {
    gap: 8px;
  }
  .chart-measurements > div {
    padding: 12px;
  }
  .chart-measurements span,
  .chart-measurements small {
    font-size: 12px;
  }
  .chart-measurements strong {
    font-size: 25px;
  }
  .plotter-adjustments {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .chart-workshop label,
  .chart-precise {
    font-size: 14px;
  }
  .chart-action-row button {
    flex-grow: 1;
  }
  .chart-line-controls label {
    flex-wrap: wrap;
  }
}
@media print {
  .chart-controls,
  .chart-zoom,
  .chart-lesson {
    display: none;
  }
  .chart-workshop {
    break-inside: avoid;
    box-shadow: none;
  }
  .navigation-chart {
    touch-action: auto;
  }
}