/* Stats Landing Page Styles */

.stats-page {
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.stats-header {
  border-bottom: 5px solid var(--ink);
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, var(--paper) 60%, var(--accent));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stats-header h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.25rem, 2vw + 0.5rem, 2rem);
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.stats-header p {
  margin: 0;
  line-height: 1.4;
  font-size: 0.9rem;
}

.header-nav {
  display: flex;
  gap: 1rem;
}

.nav-link {
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.1rem;
  border: 3px solid var(--ink);
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
  box-shadow: 5px 5px 0 var(--ink);
  display: inline-block;
}

.nav-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.nav-link:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}

/* Dataset Selector */
.dataset-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dataset-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  opacity: 0.7;
}

.dataset-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dataset-button {
  font: inherit;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1rem;
  border: 3px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease,
    background-color 0.1s ease;
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 600;
}

.dataset-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--ink);
  background: rgba(27, 156, 133, 0.1);
}

.dataset-button:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink);
}

.dataset-button.active {
  background: var(--accent);
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--ink);
}

.dataset-button.active:hover {
  background: var(--accent);
  transform: none;
  box-shadow: 3px 3px 0 var(--ink);
  cursor: default;
}

/* Main Content */
.stats-main {
  flex: 1;
  padding: 2rem;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

/* Loading & Error States */
.loading-banner,
.error-banner {
  border: 4px solid var(--ink);
  padding: 1.5rem;
  margin-bottom: 2rem;
  background: var(--accent);
  box-shadow: 8px 8px 0 var(--ink);
  text-align: center;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.error-banner {
  background: #ffe7e7;
  border-color: var(--danger);
  box-shadow: 8px 8px 0 var(--danger);
}

.hidden {
  display: none !important;
}

/* Stats Grid (Overview Cards) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  border: 4px solid var(--ink);
  background: var(--paper);
  padding: 1.5rem;
  box-shadow: 8px 8px 0 var(--ink);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  cursor: help;
}

.stat-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 var(--ink);
}

.stat-card--primary {
  background: rgba(242, 242, 0, 0.15);
}

.stat-card--highlight {
  background: rgba(255, 29, 245, 0.15);
  border-color: var(--magenta);
  box-shadow: 8px 8px 0 var(--magenta);
}

.stat-card--highlight:hover {
  box-shadow: 11px 11px 0 var(--magenta);
}

.stat-card--explain {
  background: rgba(27, 156, 133, 0.15);
  border-color: var(--success);
  box-shadow: 8px 8px 0 var(--success);
}

.stat-card--explain:hover {
  box-shadow: 11px 11px 0 var(--success);
}

.stat-card h2 {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  color: var(--ink);
  white-space: nowrap;
}

.stat-card--highlight .stat-value {
  color: var(--magenta);
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

.stat-explanation {
  font-size: 0.85rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  opacity: 0.85;
  margin-top: 0.5rem;
  text-transform: none;
}

/* Stat Card Tooltips */
.stat-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 0.75rem 1rem;
  min-width: 200px;
  max-width: 300px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
  pointer-events: none;
  text-align: left;
}

.stat-tooltip::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--ink);
}

.stat-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-3px);
  border: 6px solid transparent;
  border-top-color: var(--paper);
}

.stat-card:hover .stat-tooltip,
.stat-card.tooltip-active .stat-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

.stat-tooltip-text {
  font-size: 0.8rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 0;
}

/* SVG Diagram */
.svg-diagram {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 2.5rem;
}

/* Chart Sections */
.chart-section {
  border: 4px solid var(--ink);
  background: var(--paper);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: 8px 8px 0 var(--ink);
}

.chart-title {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 0.75rem;
}

.chart-subtitle {
  margin: 0 0 1.5rem;
  font-size: 0.85rem;
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.analysis-text {
  line-height: 1.7;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.analysis-text p {
  margin: 0 0 1rem;
}

.analysis-text p:last-child {
  margin-bottom: 0;
}

.analysis-text b {
  color: var(--magenta);
  font-weight: 700;
}

.chart-empty {
  text-align: center;
  padding: 2rem;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Bar Chart */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 120px 1fr 180px;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.bar-row:hover {
  background: rgba(242, 242, 0, 0.2);
  border-color: var(--ink);
}

.bar-label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.bar-container-horizontal {
  height: 32px;
  border: 2px solid var(--ink);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.bar-fill-horizontal {
  height: 100%;
  background: linear-gradient(90deg, var(--success) 0%, rgba(27, 156, 133, 0.6) 100%);
  transition: all 0.3s ease;
  border-right: 2px solid var(--ink);
}

.bar-fill--success {
  background: linear-gradient(90deg, var(--success) 0%, rgba(27, 156, 133, 0.6) 100%);
}

.bar-fill--info {
  background: linear-gradient(90deg, #78bdff 0%, rgba(120, 189, 255, 0.5) 100%);
}

.bar-fill--accent {
  background: linear-gradient(90deg, var(--accent) 0%, rgba(242, 242, 0, 0.5) 100%);
}

.bar-fill--magenta {
  background: linear-gradient(90deg, var(--magenta) 0%, rgba(255, 29, 245, 0.5) 100%);
}

.bar-value {
  text-align: right;
  font-size: 0.9rem;
}

.bar-value strong {
  font-weight: 700;
}

.bar-percent {
  opacity: 0.7;
  font-size: 0.85rem;
}

/* Combo Chart (DVN Combinations) */
.combo-chart {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.combo-row {
  display: grid;
  grid-template-columns: 50px 1fr 1fr 180px;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.combo-row:hover {
  background: rgba(255, 29, 245, 0.1);
  border-color: var(--magenta);
}

.combo-rank {
  font-weight: 700;
  font-size: 1.1rem;
  opacity: 0.6;
  text-align: center;
}

.combo-dvn-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.dvn-badge-small {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-size: 0.7rem;
  font-family: monospace;
  letter-spacing: -0.02em;
  cursor: help;
  transition: all 0.15s ease;
}

.dvn-badge-small:hover {
  background: var(--accent);
  transform: scale(1.05);
}

.dvn-badge-optional {
  background: var(--magenta) !important;
  color: var(--paper);
  font-weight: bold;
}

.dvn-badge-optional:hover {
  background: var(--accent) !important;
  color: var(--ink);
}

.combo-bar-container {
  height: 28px;
  border: 2px solid var(--ink);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.combo-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--magenta) 0%, rgba(255, 29, 245, 0.5) 100%);
  transition: all 0.3s ease;
  border-right: 2px solid var(--ink);
  opacity: 0.85;
}

.combo-value {
  text-align: right;
  font-size: 0.9rem;
}

.combo-value strong {
  font-weight: 700;
}

.combo-percent {
  opacity: 0.7;
  font-size: 0.85rem;
}

/* Footer */
.stats-footer {
  border-top: 5px solid var(--ink);
  padding: 1.25rem 2rem;
  background: var(--paper);
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.8;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 1024px) {
  .bar-row {
    grid-template-columns: 100px 1fr 150px;
  }

  .combo-row {
    grid-template-columns: 40px 1fr 1fr 140px;
  }
}

@media (max-width: 768px) {
  .stats-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-main {
    padding: 1.25rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .chart-section {
    padding: 1.25rem;
    box-shadow: 6px 6px 0 var(--ink);
  }

  .stat-tooltip {
    min-width: 180px;
    max-width: 250px;
    padding: 0.6rem 0.8rem;
    box-shadow: 4px 4px 0 var(--ink);
  }

  .stat-tooltip-text {
    font-size: 0.75rem;
  }

  .bar-row {
    grid-template-columns: 80px 1fr 120px;
    gap: 0.75rem;
    padding: 0.5rem;
  }

  .bar-label {
    font-size: 0.7rem;
  }

  .bar-value {
    font-size: 0.8rem;
  }

  .combo-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .combo-rank {
    grid-row: 1;
    text-align: left;
  }

  .combo-dvn-list {
    grid-row: 2;
  }

  .combo-bar-container {
    grid-row: 3;
  }

  .combo-value {
    grid-row: 4;
    text-align: left;
  }

  .dvn-badge-small {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
  }
}

/* Pie Chart Styles */
.pie-chart-container {
  display: grid;
  grid-template-columns: 550px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0;
}

.pie-svg {
  width: 100%;
  max-width: 550px;
  height: auto;
}

.pie-slice {
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.pie-slice:hover {
  opacity: 0.8;
}

.pie-legend {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pie-legend-item {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.pie-legend-item:hover {
  background: rgba(242, 242, 0, 0.1);
  border-color: var(--ink);
}

.pie-legend-color {
  width: 24px;
  height: 24px;
  border: 2px solid var(--ink);
}

.pie-legend-label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.pie-legend-value {
  text-align: right;
  font-size: 0.85rem;
}

.pie-legend-value strong {
  font-weight: 700;
}

.pie-legend-value span {
  opacity: 0.7;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .pie-chart-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .pie-svg {
    max-width: 220px;
    margin: 0 auto;
  }

  .pie-legend-item {
    grid-template-columns: 20px 1fr auto;
    gap: 0.5rem;
    padding: 0.4rem;
  }

  .pie-legend-color {
    width: 20px;
    height: 20px;
  }

  .pie-legend-label {
    font-size: 0.75rem;
  }

  .pie-legend-value {
    font-size: 0.8rem;
  }
}

/* Time Series Chart Styles */
.time-series-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.time-series-svg {
  width: 100%;
  height: auto;
  background: var(--paper);
}

.axis-label {
  font-family: inherit;
  font-size: 11px;
  fill: var(--ink);
  opacity: 0.8;
}

.time-series-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1rem;
  border: 3px solid var(--ink);
  background: rgba(242, 242, 0, 0.1);
  box-shadow: 4px 4px 0 var(--ink);
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.summary-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  font-weight: 600;
}

.summary-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

@media (max-width: 768px) {
  .time-series-summary {
    grid-template-columns: 1fr 1fr;
  }

  .axis-label {
    font-size: 9px;
  }
}