/* charts.css
   ==========
   Wykresy telemetrii w kartach pojazdow (zakladka Historia) - karta wykresu,
   kreator "Dodaj wykres" (siatka checkboxow parametrow), legenda, przyciski
   reset przybliżenia/usun. Uzywane przez renderVehicleCharts()/
   buildVehicleChartsHtml() w index.html.
*/

  .chart-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px; margin-bottom: 14px;
  }
  .chart-card-title { font-size: 12.5px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 10px; }
  .chart-canvas-wrap { position: relative; height: 230px; width: 100%; }
  .chart-empty { font-size: 13px; color: var(--text-dim); text-align: center; padding: 30px 0; }

  /* --- Kreator wykresow --- */
  .chart-builder-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
  }
  .chart-builder-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
  .chart-builder-hint { font-size: 12px; color: var(--text-dim); margin-bottom: 12px; line-height: 1.4; }
  .param-checkbox-grid { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
  .param-checkbox-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
  }
  .param-checkbox-chip input { margin: 0; }
  .param-checkbox-chip .param-color-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
  .param-checkbox-chip .param-no-data { color: var(--text-dim); font-size: 10px; }

  .chart-builder-row { display: flex; gap: 8px; flex-wrap: wrap; }
  .chart-builder-name-input {
    flex: 1;
    min-width: 160px;
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    outline: none;
  }
  .chart-builder-name-input:focus { border-color: var(--accent-brand); }

  .chart-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
  .chart-card-head-actions { display: flex; align-items: center; gap: 12px; }
  .chart-card-remove {
    background: none;
    border: none;
    color: var(--accent-red);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
  }
  .chart-zoom-reset-btn {
    background: none; border: 1px solid var(--border); color: var(--accent-brand);
    font-family: inherit; font-size: 11px; font-weight: 600; cursor: pointer;
    padding: 3px 8px; border-radius: 6px;
  }
  .chart-zoom-reset-btn:active { background: var(--surface-2); }
  .chart-zoom-hint { font-size: 10.5px; color: var(--text-dim); margin-top: 4px; }
  .chart-legend-inline { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
  .chart-legend-inline-item { display: flex; align-items: center; gap: 4px; font-size: 10.5px; color: var(--text-dim); }
  .chart-legend-inline-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }