/**
 * Figure & Dataset Component Styles
 * Charts, graphs, tables, and data visualization
 * Consolidates: figure-enhanced.css + dataset styles
 */

/* ========================================
   FIGURE CONTAINER
   ======================================== */

.problem-figure,
.investigation-figure,
.figure-container {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ========================================
   FIGURE TITLE
   ======================================== */

.figure-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-primary);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

/* ========================================
   CHART CONTAINER
   ======================================== */

.chart-container {
  position: relative;
  width: 100%;
  margin: var(--spacing-md) 0;
}

/* Aspect ratio for responsive charts */
.chart-container canvas {
  max-width: 100%;
  height: auto;
}

/* Default canvas styling */
canvas {
  display: block;
  max-width: 100%;
}

/* ========================================
   DATASET TABLES
   ======================================== */

.problem-dataset,
.investigation-dataset,
.data-table-container {
  margin: var(--spacing-md) 0;
  overflow-x: auto;
}

.problem-dataset table,
.investigation-dataset table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background-color: var(--color-background);
}

.problem-dataset th,
.investigation-dataset th,
.data-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: var(--font-weight-bold);
  background-color: var(--color-background-alt);
  border-bottom: 2px solid var(--color-border-dark);
  color: var(--color-text);
}

.problem-dataset td,
.investigation-dataset td,
.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.problem-dataset tr:hover,
.investigation-dataset tr:hover,
.data-table tr:hover {
  background-color: var(--color-background-alt);
}

/* Numeric columns - right align */
.problem-dataset td:not(:first-child),
.investigation-dataset td:not(:first-child),
.data-table td.numeric {
  text-align: right;
  font-family: var(--font-mono);
}

/* ========================================
   TABLE CAPTION
   ======================================== */

.table-caption {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-style: italic;
  color: var(--color-text-muted);
  text-align: center;
}

/* ========================================
   FIGURE CAPTION
   ======================================== */

.figure-caption {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  font-style: italic;
  color: var(--color-text-muted);
  text-align: center;
}

/* ========================================
   INTERACTIVE FIGURE CONTROLS
   ======================================== */

.figure-controls {
  margin-top: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.figure-control-btn {
  padding: 0.4rem 0.8rem;
  font-size: var(--font-size-sm);
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.figure-control-btn:hover {
  background-color: var(--color-border);
}

.figure-control-btn.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ========================================
   CHART.JS SPECIFIC STYLES
   ======================================== */

/* Ensure Chart.js canvas doesn't overflow */
.chart-container {
  position: relative;
  min-height: 300px;
}

/* Loading state for deferred charts */
.chart-container.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background-color: var(--color-background-alt);
  border-radius: var(--radius-md);
}

.chart-container.loading::after {
  content: 'Loading chart...';
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   EMBEDDED IMAGES IN FIGURES
   ======================================== */

.problem-figure img,
.investigation-figure img,
.figure-container img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}

/* ========================================
   DIAGRAM FIGURES
   ======================================== */

.diagram-figure {
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.diagram-figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.diagram-figure figcaption {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-style: italic;
  color: var(--color-text-muted);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  .problem-dataset,
  .investigation-dataset,
  .data-table-container {
    font-size: var(--font-size-xs);
  }

  .problem-dataset th,
  .investigation-dataset th,
  .data-table th,
  .problem-dataset td,
  .investigation-dataset td,
  .data-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .chart-container {
    min-height: 250px;
  }
}

@media (max-width: 480px) {
  .problem-figure,
  .investigation-figure,
  .figure-container {
    padding: var(--spacing-sm);
  }

  .figure-controls {
    flex-direction: column;
  }

  .figure-control-btn {
    width: 100%;
  }

  .chart-container {
    min-height: 200px;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .problem-figure,
  .investigation-figure,
  .figure-container {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  .figure-controls {
    display: none;
  }

  .chart-container canvas {
    max-width: 100%;
    page-break-inside: avoid;
  }

  /* Ensure tables don't break poorly */
  .problem-dataset,
  .investigation-dataset,
  .data-table-container {
    page-break-inside: auto;
  }

  .problem-dataset tr,
  .investigation-dataset tr,
  .data-table tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Screen reader description for charts */
.chart-description {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Ensure table headers are properly associated */
.problem-dataset th[scope],
.investigation-dataset th[scope],
.data-table th[scope] {
  /* Improved accessibility for screen readers */
}