/* Statistics component styles migrated from md3-components.css
   Purpose: keep stats-specific rules in a dedicated component file for easier maintenance.
   Uses MD3 tokens defined in static/css/md3/tokens.css
*/

/* Corpus Statistics Grid - Responsive with auto-fit */
.md3-stats-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  margin: var(--space-8) 0;
  max-width: 100%;
}

/* Individual Figure Container */
.md3-stats-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--md-sys-color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(var(--elev-1));
  transition: box-shadow 200ms cubic-bezier(0.2, 0, 0, 1);
}

.md3-stats-figure:hover {
  box-shadow: var(var(--elev-2));
}

/* Image Container with Fixed Aspect Ratio - Responsive scaling */
.md3-stats-image-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  overflow: visible;
  border-radius: var(--radius-md);
  background: transparent;
  cursor: zoom-in;
  transition: transform 200ms cubic-bezier(0.2, 0, 0, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-stats-image-container:hover {
  transform: scale(1.02);
}

/* Stats Header & Controls (Clean Sweep) */
.md3-stats-header {
  display: block;
}

.md3-stats-summary {
  margin-bottom: var(--space-4);
}

.md3-stats-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.md3-stats-filter-group {
  margin: 0;
}

.md3-stats-filter-label {
  margin: 0;
}

.md3-stats-action-end {
  margin-left: auto;
}

/* Caption Styling */
.md3-stats-caption {
  margin: 0;
  color: var(--md-sys-color-on-surface-variant);
  text-align: center;
  line-height: 1.5;
}

/* Country Selector Section */
.md3-stats-country-section {

}

.md3-stats-country-selector {
  max-width: 500px;
  margin: var(--space-6) auto;
  display: grid;
  gap: var(--space-3);
}

.md3-stats-country-label {
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  letter-spacing: 0.1px;
}

.md3-stats-country-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-sm);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  min-height: 48px;
  /* arrow icon uses currentColor so it follows tokens (no hardcoded hex) */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M7 10l5 5 5-5z' fill='currentColor'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
  transition:
    border-color 200ms cubic-bezier(0.2, 0, 0, 1),
    border-width 200ms cubic-bezier(0.2, 0, 0, 1);
}

.md3-stats-country-select:hover {
  border-color: var(--md-sys-color-on-surface);
}

.md3-stats-country-select:focus {
  outline: none;
  border-color: var(--md-sys-color-primary);
  border-width: 2px;
  padding: calc(var(--space-3) - 1px) calc(var(--space-4) - 1px);
  padding-right: calc(var(--space-10) - 1px);
}

.md3-stats-country-select option {
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  padding: var(--space-3);
}

/* Country Display Area */
.md3-stats-country-display {
  max-width: 100%;
  margin: var(--space-8) 0;
  /* don't reserve vertical space while empty; when content is present we apply a min-height */
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-stats-country-display:not(:empty) {
  min-height: 400px;
}

/* Placeholder when no country selected */
.md3-stats-placeholder {
  padding: var(--space-10);
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  background: var(--md-sys-color-surface-container-low);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--md-sys-color-outline-variant);
}

/* Country Figure with Fade Animation */
.md3-stats-country-figure {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--md-sys-color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(var(--elev-1));
  opacity: 0;
  transition:
    opacity 300ms var(cubic-bezier(0.4, 0, 0.2, 1)),
    box-shadow 200ms cubic-bezier(0.2, 0, 0, 1);
}

.md3-stats-country-figure.visible {
  opacity: 1;
}

.md3-stats-country-figure:hover {
  box-shadow: var(var(--elev-2));
}

.md3-stats-country-image-container {
  position: relative;
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  overflow: visible;
  border-radius: var(--radius-md);
  background: transparent;
  cursor: zoom-in;
  transition: transform 200ms cubic-bezier(0.2, 0, 0, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-stats-country-image-container:hover {
  transform: scale(1.02);
}

.md3-stats-country-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  max-width: 100%;
  border-radius: var(--radius-lg);
  font-size: clamp(12px, 2.5vw, 16px);
}

/* Form field helper: stack label above control and keep spacing consistent */
.md3-form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: stretch;
}

/* Caption title inside figcaption (project guideline): no <strong> in caption; use a title span) */
.md3-stats-caption__title {
  display: block;
  font-weight: 600;
  margin-bottom: calc(var(--space-1) / 2);
  color: var(--md-sys-color-on-surface);
}

/* Keep images stacked vertically (same presentation as before). We intentionally avoid
   switching to a multi-column grid so images remain one-per-row and centered.
   The .md3-stats-image-container width:60% is preserved for the visual look.
*/

/* ========== ZOOM MODAL ========== */
/* Full-screen image zoom functionality with modern MD3 tokens */

.md3-stats-zoom-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 300ms cubic-bezier(0.4, 0, 0.2, 1);
  cursor: zoom-out;
  padding: var(--space-4);
  box-sizing: border-box;
}

.md3-stats-zoom-modal.active {
  display: flex;
  opacity: 1;
}

.md3-stats-zoom-modal-content {
  position: relative;
  max-width: 95%;
  max-height: 95vh;
  background: var(--md-sys-color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--elev-5);
  padding: var(--space-6);
  transform: scale(0.92);
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-stats-zoom-modal.active .md3-stats-zoom-modal-content {
  transform: scale(1);
}

.md3-stats-zoom-modal-image {
  display: block;
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: contain;
}

.md3-stats-zoom-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--md-sys-color-surface-container-highest);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 200ms cubic-bezier(0.2, 0, 0, 1);
  z-index: 10;
  color: var(--md-sys-color-on-surface);
  padding: 0;
  min-width: 44px;
  min-height: 44px;
}

.md3-stats-zoom-modal-close:hover {
  background: var(--md-sys-color-primary-container);
  transform: scale(1.08);
}

.md3-stats-zoom-modal-close:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

/* Close button X icon using pseudo-elements */
.md3-stats-zoom-modal-close::before,
.md3-stats-zoom-modal-close::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--md-sys-color-on-surface);
  border-radius: 1px;
  transition: background 200ms cubic-bezier(0.2, 0, 0, 1);
}

.md3-stats-zoom-modal-close::before {
  transform: rotate(45deg);
}

.md3-stats-zoom-modal-close::after {
  transform: rotate(-45deg);
}

.md3-stats-zoom-modal-close:hover::before,
.md3-stats-zoom-modal-close:hover::after {
  background: var(--md-sys-color-on-primary-container);
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .md3-stats-zoom-modal {
    padding: var(--space-2);
  }

  .md3-stats-zoom-modal-content {
    max-width: 98%;
    max-height: 98vh;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .md3-stats-zoom-modal-image {
    max-height: 90vh;
  }

  .md3-stats-zoom-modal-close {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    top: var(--space-3);
    right: var(--space-3);
  }

  .md3-stats-zoom-modal-close::before,
  .md3-stats-zoom-modal-close::after {
    width: 18px;
    height: 1.5px;
  }
}

/* ========== INTERACTIVE CHARTS (Corpus Search Results) ========== */
/* Stats section with tabs and ECharts visualizations */

/* Stats Section Container */
.md3-stats-section {
  margin-top: var(--space-6);
}

/* Stats Header */
.md3-stats-header {
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.md3-stats-title {
  margin: 0 0 var(--space-2) 0;
  color: var(--md-sys-color-on-surface);
}

/* View content panels inherit from app background */
.md3-view-content {
  --_view-content-bg: var(--md-sys-color-background, #c7d5d8);
}

/* Textfield labels inside view content - use !important to override base rules */
.md3-view-content .md3-outlined-textfield .md3-outlined-textfield__label {
  background: var(--md-sys-color-background, #c7d5d8) !important;
}

/* Country Filter */
.md3-stats-filter {
  /* Stats filter sits on app background */
  --_stats-filter-bg: var(--md-sys-color-background, #c7d5d8);
  
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Textfield labels inside stats filter - use !important to override base rules */
.md3-stats-filter .md3-outlined-textfield .md3-outlined-textfield__label {
  background: var(--md-sys-color-background, #c7d5d8) !important;
}

.md3-stats-filter-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
  font-weight: 500;
}

.md3-stats-filter-select {
  width: 100%;
  max-width: 300px;
  padding: var(--space-2) var(--space-3);
  background: var(--md-sys-color-surface-container);
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.md3-stats-filter-select:hover {
  background: var(--md-sys-color-surface-container-highest);
}

.md3-stats-filter-select:focus {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

/* MD3 Stats Sub-Tabs (Resultados | Estadísticas) */
.md3-stats-tabs {
  display: flex;
  gap: 0;
  background: transparent;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  margin-bottom: var(--space-6);
}

.md3-stats-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  border-bottom: 3px solid transparent;
}

.md3-stats-tab:hover {
  background: var(--md-sys-color-surface-container);
}

.md3-stats-tab:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: -2px;
}

.md3-stats-tab--active {
  color: var(--md-sys-color-primary);
  border-bottom-color: var(--md-sys-color-primary);
}

.md3-stats-tab .material-symbols-rounded {
  font-size: 1.25rem;
}

/* Stats Charts Grid */
.md3-stats-charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  width: 100%;
}

@media (min-width: 600px) {
  .md3-stats-charts-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  }
}

/* Stats Chart Card */
.md3-stats-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.md3-stats-card-title-wrapper {
  flex: 1;
}

.md3-stats-card-title {
  margin: 0;
  color: var(--md-sys-color-on-surface);
}

/* MD3 Segmented Buttons (Toggle n/%) */
.md3-segmented {
  display: inline-flex;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: 20px;
  overflow: hidden;
}

.md3-segmented-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.75rem;
  min-width: 48px;
  min-height: 40px;
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.md3-segmented-btn:not(:last-child) {
  border-right: 1px solid var(--md-sys-color-outline);
}

.md3-segmented-btn:hover:not(.is-selected) {
  background: var(--md-sys-color-surface-container-highest);
}

.md3-segmented-btn:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: -2px;
  z-index: 1;
}

.md3-segmented-btn.is-selected {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.md3-segmented-btn .material-symbols-rounded {
  font-size: 1.125rem;
}

/* Chart Host Container */
.chart-host {
  width: 100%;
  height: 300px;
  min-height: 300px;
}