.reports-view {
  display: grid;
  gap: 20px;
  width: 100%;
  min-width: 0;
}

.reports-view[hidden] {
  display: none !important;
}

.reports-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 2px 0 20px;
  border-bottom: 1px solid var(--border-default);
  background: transparent;
}

.reports-head-copy {
  min-width: 0;
}

.reports-head h2,
.report-card h3 {
  margin: 0;
  color: var(--text-primary);
  font-family: inherit;
}

.reports-head h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.reports-head p {
  max-width: 620px;
  margin: 8px 0 0;
  color: var(--text-secondary);
  line-height: 1.55;
}

.reports-filter-control {
  display: grid;
  gap: 7px;
  flex: 0 0 min(310px, 32vw);
  min-width: 230px;
}

.reports-filter-control > span {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.reports-filter-control .class-filter,
.reports-filter-control .custom-select {
  width: 100%;
}

.reports-kicker {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-primary);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.reports-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}

.report-stat {
  position: relative;
  min-width: 0;
  padding: 20px 22px;
  background: transparent;
}

.report-stat + .report-stat {
  border-left: 1px solid var(--border-default);
}

.report-stat.featured::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent-primary);
}

.report-stat small {
  display: block;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.report-stat strong {
  display: block;
  margin-top: 8px;
  color: var(--text-primary);
  font-size: clamp(23px, 2vw, 30px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
}

.report-stat.featured strong {
  color: var(--accent-primary);
}

.report-stat span {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.45;
}

.reports-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.05fr) minmax(270px, .95fr);
  gap: 18px;
}

.report-card {
  min-width: 0;
  padding: 22px 24px;
  overflow: visible;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}

.report-card--performance {
  background: var(--surface-card);
}

.report-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 17px;
}

.report-card h3 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.report-note {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 750;
  white-space: nowrap;
}

.chart-wrap {
  position: relative;
  height: 300px;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.chart-small {
  height: 300px;
}

.class-chart-wrap {
  height: 285px;
}

.chart-wrap canvas {
  transition: opacity var(--motion-normal) var(--motion-ease);
}

.reports-chart-skeleton {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
}

.reports-view.is-chart-loading .reports-chart-skeleton {
  display: block;
}

.reports-view.is-chart-loading .chart-wrap canvas {
  opacity: .12;
}

.reports-chart-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-soft),
    transparent
  );
  animation: reports-skeleton-sweep 1.15s ease-in-out infinite;
}

.reports-chart-skeleton--line::before {
  content: "";
  position: absolute;
  inset: 24px 20px 30px 38px;
  opacity: .9;
  background:
    linear-gradient(170deg, transparent 0 45%, var(--accent-primary) 46% 48%, transparent 49% 100%),
    repeating-linear-gradient(to bottom, var(--border-default) 0 1px, transparent 1px 25%);
}

.reports-chart-skeleton--donut::before {
  content: "";
  position: absolute;
  width: min(170px, 58%);
  aspect-ratio: 1;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: conic-gradient(var(--status-success) 0 61%, var(--accent-primary) 61% 100%);
  -webkit-mask: radial-gradient(circle, transparent 0 53%, #000 54% 100%);
  mask: radial-gradient(circle, transparent 0 53%, #000 54% 100%);
  opacity: .52;
}

.reports-chart-skeleton--bars::before {
  content: "";
  position: absolute;
  inset: 28px 24px 32px 44px;
  opacity: .7;
  background:
    linear-gradient(to top, var(--accent-primary) 0 58%, transparent 58%) 5% 100% / 10% 76% no-repeat,
    linear-gradient(to top, var(--accent-primary) 0 76%, transparent 76%) 29% 100% / 10% 88% no-repeat,
    linear-gradient(to top, var(--accent-primary) 0 46%, transparent 46%) 53% 100% / 10% 68% no-repeat,
    linear-gradient(to top, var(--accent-primary) 0 84%, transparent 84%) 77% 100% / 10% 94% no-repeat,
    repeating-linear-gradient(to bottom, var(--border-default) 0 1px, transparent 1px 25%);
}

.report-helper {
  margin: 11px 0 0;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.5;
}

.report-class-table {
  display: grid;
  gap: 0;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
}

.report-class-row {
  display: grid;
  grid-template-columns: minmax(160px, 1.1fr) minmax(90px, .45fr) minmax(260px, 1.3fr) 64px;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 13px 15px;
}

.report-class-row + .report-class-row {
  border-top: 1px solid var(--border-default);
}

.report-class-row strong {
  overflow: hidden;
  color: var(--text-primary);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.report-class-row span {
  color: var(--text-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.report-class-row b {
  color: var(--accent-primary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.report-class-row .rate {
  min-width: 48px;
  text-align: right;
}

.report-empty {
  padding: 24px;
  color: var(--text-muted);
  text-align: center;
}

@keyframes reports-skeleton-sweep {
  to {
    transform: translateX(100%);
  }
}

@media (max-width: 1050px) {
  .reports-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .report-stat:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--border-default);
  }

  .report-stat:nth-child(4) {
    border-top: 1px solid var(--border-default);
  }

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

@media (max-width: 700px) {
  .reports-view {
    gap: 15px;
  }

  .reports-head {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 16px;
  }

  .reports-filter-control {
    flex-basis: auto;
    min-width: 0;
    width: 100%;
  }

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

  .report-stat + .report-stat,
  .report-stat:nth-child(3),
  .report-stat:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--border-default);
  }

  .report-card {
    padding: 18px;
  }

  .report-card-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .chart-wrap,
  .chart-small,
  .class-chart-wrap {
    height: 248px;
  }

  .report-class-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .report-class-row span {
    grid-column: 1 / -1;
  }

  .report-class-row span:nth-of-type(2) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reports-chart-skeleton::after {
    animation: none;
  }

  .chart-wrap canvas {
    transition: none;
  }
}