/*
 * Sapphire V2 (beta): Analytics page.
 * Loaded after the core css/v2 files; every rule is scoped to :root[data-ui="v2"] and uses its tokens.
 *
 * Page order: stat strip → overall trend + recent marks → by subject → subjects over time →
 * all assessments. Cards are base surfaces (--card-surface) separated by hairlines; only
 * controls, hover states and the chart tooltip get lighter.
 */

/* ── Layout ── */

:root[data-ui="v2"] .view[data-view="analytics"].is-active {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

:root[data-ui="v2"] .an-v1-only {
  display: none !important;
}

:root[data-ui="v2"] .analytics-grid {
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
  margin: 0;
}

:root[data-ui="v2"] .subjects-chart-section {
  margin: 0;
}

:root[data-ui="v2"] .view[data-view="analytics"] .card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: 20px;
}

:root[data-ui="v2"] .an-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

:root[data-ui="v2"] .an-card-head > div:first-child {
  min-width: 0;
}

:root[data-ui="v2"] .an-card-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-card-desc {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-count {
  margin-left: 6px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* ── Stat strip (shares .v2-stats with the dashboard; grid-area is inert in this flex column) ── */

:root[data-ui="v2"] .an-stats .v2-stat-value {
  gap: 0;
}

:root[data-ui="v2"] .v2-an-stat-grade {
  align-self: center;
  margin-left: 12px;
}


/* ── Overall trend ── */

:root[data-ui="v2"] .an-trend-figure {
  display: grid;
  gap: 2px;
  margin-top: 6px;
}

:root[data-ui="v2"] .v2-an-figure-value {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

:root[data-ui="v2"] .v2-an-figure-change {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* 1M / 3M / All segmented control (same look as the calendar filter) */
:root[data-ui="v2"] .an-range {
  display: inline-flex;
  flex: none;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

:root[data-ui="v2"] .an-range button {
  height: 26px;
  min-width: 38px;
  padding: 0 8px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--text-secondary);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

:root[data-ui="v2"] .an-range button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-range button.is-active {
  background: var(--bg-depth);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--card-border);
}

:root[data-ui="v2"] .view[data-view="analytics"] .chart-wrap {
  height: 240px;
  margin: 0;
}

:root[data-ui="v2"] .subjects-chart-section .chart-wrap {
  height: 280px;
}

/* Side by side with Recent marks, the trend chart takes up the card's spare height
   instead of leaving a gap under the legend. */
@media (min-width: 961px) {
  :root[data-ui="v2"] .analytics-grid .progress-card .chart-wrap {
    flex: 1 0 240px;
    height: auto;
    min-height: 240px;
  }
}

:root[data-ui="v2"] .view[data-view="analytics"] .progress-legend {
  font-size: 12px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .chart-tooltip {
  padding: 6px 10px;
  background: var(--popover-surface);
  border: 1px solid var(--popover-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-popover);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Deltas (+1.2 / −0.8) */
:root[data-ui="v2"] .v2-an-delta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .v2-an-delta[data-dir="up"] {
  color: var(--grade-a);
}

:root[data-ui="v2"] .v2-an-delta[data-dir="down"] {
  color: var(--grade-d);
}

:root[data-ui="v2"] .v2-an-delta-icon {
  font-size: 13px;
}

/* ── Recent marks ── */

:root[data-ui="v2"] .insights-card .insight-list {
  display: grid;
  gap: 0;
  margin: 0 -8px;
}

:root[data-ui="v2"] .insights-card .insight-list > .empty-state {
  padding: 24px 8px;
}

:root[data-ui="v2"] .v2-an-recent {
  position: relative;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto auto 40px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 8px;
  border: none;
  border-radius: var(--radius);
  background: none;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

/* Hairlines between rows, inset so they don't touch the hover background. */
:root[data-ui="v2"] .v2-an-recent + .v2-an-recent::before {
  content: "";
  position: absolute;
  top: 0;
  left: 8px;
  right: 8px;
  border-top: 1px solid var(--card-border);
}

:root[data-ui="v2"] .v2-an-recent:hover {
  background: var(--bg-hover);
}

:root[data-ui="v2"] .v2-an-recent:hover::before,
:root[data-ui="v2"] .v2-an-recent:hover + .v2-an-recent::before {
  border-color: transparent;
}

:root[data-ui="v2"] .v2-an-recent:focus-visible {
  outline-offset: -2px;
}

:root[data-ui="v2"] .v2-an-recent-main {
  display: grid;
  min-width: 0;
}

:root[data-ui="v2"] .v2-an-recent-title {
  display: flex;
  align-items: center;
  min-width: 0;
}

:root[data-ui="v2"] .v2-an-recent-rel {
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

:root[data-ui="v2"] .v2-an-recent-name {
  font-weight: 500;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .v2-an-recent-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .v2-an-recent-percent {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ── By subject: a flush hairline list inside the card ── */

:root[data-ui="v2"] .an-subjects {
  margin: 0 -20px -20px;
  border-top: 1px solid var(--card-border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
}

:root[data-ui="v2"] .an-subjects > .empty-state {
  padding: 24px 20px;
}

:root[data-ui="v2"] .v2-an-subject {
  display: grid;
  grid-template-columns: 36px minmax(140px, 1.2fr) 120px minmax(160px, 1fr) 84px 44px;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  border-top: 1px solid var(--card-border);
  background: none;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

:root[data-ui="v2"] .v2-an-subject:first-child {
  border-top: none;
}

:root[data-ui="v2"] .v2-an-subject:hover {
  background: var(--bg-hover);
}

:root[data-ui="v2"] .v2-an-subject:focus-visible {
  outline-offset: -2px;
}

/* Sparkline: the canvas reads its CSS box (clientWidth/Height) when drawn. */
:root[data-ui="v2"] .v2-an-spark {
  display: block;
  min-width: 0;
  height: 32px;
}

:root[data-ui="v2"] .v2-an-spark canvas {
  display: block;
  width: 100%;
  height: 100%;
}

:root[data-ui="v2"] .v2-an-target {
  display: grid;
  gap: 6px;
  min-width: 0;
}

:root[data-ui="v2"] .v2-an-target.is-empty .v2-subject-fill {
  opacity: 0.5;
}

:root[data-ui="v2"] .v2-an-target-text {
  font-size: 12px;
  color: var(--text-tertiary);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .v2-an-target-text.is-met {
  color: var(--grade-a);
}

:root[data-ui="v2"] .v2-an-target-text.is-below {
  color: var(--primary);
}

:root[data-ui="v2"] .v2-an-average {
  display: grid;
  justify-items: end;
  gap: 2px;
}

:root[data-ui="v2"] .v2-an-average-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── Subjects over time: key chips sit under the header, above the chart ── */

:root[data-ui="v2"] .subjects-chart-section > .an-card-head {
  order: 0;
}

:root[data-ui="v2"] .subjects-chart-section > .chart-key {
  order: 1;
}

:root[data-ui="v2"] .subjects-chart-section > .chart-wrap {
  order: 2;
}

:root[data-ui="v2"] .subjects-chart-section > .progress-legend {
  order: 3;
}

:root[data-ui="v2"] .chart-key {
  margin: 0 -8px;
  gap: 2px 4px;
}

:root[data-ui="v2"] .chart-key:empty {
  display: none;
}

/* A compact inline legend (dot · name · average) rather than a row of pills. */
:root[data-ui="v2"] .chart-key-item {
  height: 26px;
  padding: 0 8px;
  gap: 6px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  box-shadow: none;
  transition: background 0.15s ease, color 0.15s ease;
}

:root[data-ui="v2"] .chart-key-item:hover {
  transform: none;
  background: var(--bg-hover);
  color: var(--text-primary);
}

:root[data-ui="v2"] .chart-key-item.is-hidden {
  color: var(--text-tertiary);
  background: none;
  opacity: 1;
}

:root[data-ui="v2"] .chart-key-swatch {
  width: 8px;
  height: 8px;
}

/* A hidden line shows a hollow swatch. */
:root[data-ui="v2"] .chart-key-item.is-hidden .chart-key-swatch {
  transform: none;
  background: transparent;
  box-shadow: inset 0 0 0 1.5px var(--swatch);
}

:root[data-ui="v2"] .chart-key-value {
  margin-left: 2px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* ── All assessments table ── */

:root[data-ui="v2"] .assessment-card .assessment-tools {
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 0;
}

:root[data-ui="v2"] .assessment-search {
  position: relative;
  flex: 1 1 260px;
  width: auto;
  max-width: 320px;
  order: -1;
}

/* The label text stays for screen readers only. */
:root[data-ui="v2"] .assessment-search > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Magnifier (Lucide "search") inside the input. */
:root[data-ui="v2"] .assessment-search::before {
  content: "\e155";
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "lucide";
  font-size: 15px;
  line-height: 1;
  color: var(--text-tertiary);
  pointer-events: none;
}

:root[data-ui="v2"] .assessment-search input {
  padding-left: 34px;
}

:root[data-ui="v2"] #share-all-assessments {
  min-height: 0;
  height: 36px;
}

/* Scrolls inside the card so the sticky header has something to stick to. */
:root[data-ui="v2"] .assessment-card .table-wrap {
  max-height: min(640px, 75vh);
  margin: 0 -20px -20px;
  overflow: auto;
  border-top: 1px solid var(--card-border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

:root[data-ui="v2"] .assessment-card table {
  border-collapse: separate;
  border-spacing: 0;
}

:root[data-ui="v2"] .assessment-card thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  height: 40px;
  padding: 0 12px;
  background: var(--card-surface);
  box-shadow: inset 0 -1px 0 var(--card-border);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  text-align: left;
  white-space: nowrap;
  color: var(--text-tertiary);
}

/* Score, weight and percent are right-aligned numbers. */
:root[data-ui="v2"] .assessment-card thead th:nth-child(3),
:root[data-ui="v2"] .assessment-card thead th:nth-child(4),
:root[data-ui="v2"] .assessment-card thead th:nth-child(5),
:root[data-ui="v2"] .assessment-card .v2-an-num {
  text-align: right;
}

:root[data-ui="v2"] .assessment-card thead th:first-child,
:root[data-ui="v2"] .assessment-card tbody td:first-child {
  padding-left: 20px;
}

:root[data-ui="v2"] .assessment-card thead th:last-child,
:root[data-ui="v2"] .assessment-card tbody td:last-child {
  padding-right: 20px;
}

:root[data-ui="v2"] .table-sort {
  gap: 4px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  transition: color 0.15s ease;
}

:root[data-ui="v2"] .table-sort:hover,
:root[data-ui="v2"] .table-sort.is-active {
  color: var(--text-primary);
}

/* The arrow only shows on the sorted column (and as a hint on hover). */
:root[data-ui="v2"] .table-sort-indicator {
  display: inline-block;
  width: 10px;
  font-size: 11px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

:root[data-ui="v2"] .table-sort:hover .table-sort-indicator {
  opacity: 0.5;
}

:root[data-ui="v2"] .table-sort.is-active .table-sort-indicator {
  opacity: 1;
}

:root[data-ui="v2"] .assessment-card tbody td {
  height: 48px;
  padding: 0 12px;
  border-top: 1px solid var(--card-border);
  border-bottom: none;
  font-size: 14px;
  color: var(--text-secondary);
  vertical-align: middle;
}

:root[data-ui="v2"] .assessment-card tbody tr:first-child td {
  border-top: none;
}

:root[data-ui="v2"] .assessment-card tbody tr:hover {
  background: var(--bg-hover);
}

:root[data-ui="v2"] .assessment-card tbody td.empty-state {
  height: auto;
  padding: 32px 20px;
  text-align: center;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .assessment-card table:has(td.empty-state) thead {
  display: none;
}

:root[data-ui="v2"] .assessment-card tbody tr:has(> td.empty-state):hover {
  background: none;
}

:root[data-ui="v2"] .v2-an-subject-cell {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 180px;
  color: var(--text-secondary);
}

:root[data-ui="v2"] .v2-an-subject-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .v2-an-cell-name {
  font-weight: 500;
  color: var(--text-primary);
}

/* Long names wrap to at most two lines rather than stacking one word per line. */
@media (min-width: 701px) {
  :root[data-ui="v2"] .assessment-card td.v2-an-cell-name {
    min-width: 200px;
    line-height: 1.35;
  }
}

:root[data-ui="v2"] .v2-an-num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

:root[data-ui="v2"] .v2-an-of,
:root[data-ui="v2"] .v2-an-none,
:root[data-ui="v2"] .v2-an-cell-date {
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .v2-an-cell-date {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

:root[data-ui="v2"] .v2-an-cell-percent {
  font-weight: 600;
  color: var(--text-primary);
}

:root[data-ui="v2"] .v2-an-cell-actions {
  width: 1%;
  white-space: nowrap;
}

:root[data-ui="v2"] .v2-an-actions {
  display: flex;
  justify-content: flex-end;
  gap: 2px;
}

:root[data-ui="v2"] .v2-an-actions .icon-button {
  width: 28px;
  height: 28px;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

:root[data-ui="v2"] .v2-an-actions .icon-button.is-shared {
  color: var(--accent);
}

:root[data-ui="v2"] .v2-an-actions .v2-an-remove:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

/* With a mouse, actions appear on row hover/focus; "shared" stays visible as a status. */
@media (hover: hover) {
  :root[data-ui="v2"] .v2-an-actions .icon-button:not(.is-shared) {
    opacity: 0;
  }

  :root[data-ui="v2"] .v2-an-row:hover .v2-an-actions .icon-button,
  :root[data-ui="v2"] .v2-an-actions:focus-within .icon-button {
    opacity: 1;
  }
}

/* ── Medium screens ── */

@media (max-width: 960px) {
  :root[data-ui="v2"] .analytics-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-ui="v2"] .v2-an-subject {
    grid-template-columns: 36px minmax(0, 1fr) minmax(120px, 0.8fr) 72px 40px;
  }

  :root[data-ui="v2"] .v2-an-spark {
    display: none;
  }
}

/* ── By term / By semester ──
   A grid of averages: each cell is the percentage with its grade badge, and the change from the
   period before underneath. Overall leads in bold above a slightly heavier rule, untinted. */

:root[data-ui="v2"] .an-terms {
  margin: 16px -20px -20px;
  border-top: 1px solid var(--card-border);
}

:root[data-ui="v2"] .an-terms > .empty-state {
  padding: 24px 20px;
  text-align: left;
}

:root[data-ui="v2"] .an-terms-scroll {
  overflow-x: auto;
}

:root[data-ui="v2"] .an-terms-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  table-layout: fixed;
  font-variant-numeric: tabular-nums;
}

:root[data-ui="v2"] .an-terms-table.is-semesters {
  min-width: 420px;
}

:root[data-ui="v2"] .an-terms-table th,
:root[data-ui="v2"] .an-terms-table td {
  height: 56px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--card-border);
  text-align: right;
  vertical-align: middle;
}

:root[data-ui="v2"] .an-terms-table tr > :first-child {
  width: 34%;
  padding-left: 20px;
  text-align: left;
}

:root[data-ui="v2"] .an-terms-table tr > :last-child {
  padding-right: 20px;
}

:root[data-ui="v2"] .an-terms-table tbody tr:last-child > * {
  border-bottom: none;
}

:root[data-ui="v2"] .an-terms-table thead th {
  height: auto;
  padding-block: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-terms-period {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}

:root[data-ui="v2"] .an-terms-months {
  display: block;
  margin-top: 1px;
  font-weight: 400;
}

:root[data-ui="v2"] .an-terms-now {
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
}

:root[data-ui="v2"] .an-terms-name {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-terms-name-text {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .an-terms-main {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

:root[data-ui="v2"] .an-terms-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-terms-unit {
  margin-left: 1px;
  font-size: 11px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-terms-grade {
  min-width: 34px;
  height: 22px;
  padding: 0 6px;
  font-size: 12px;
}

/* Under the value: how many tasks the period holds, then the change from the period before. */
:root[data-ui="v2"] .an-terms-sub {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 3px;
  font-size: 11px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-terms-cell .v2-an-delta {
  display: inline-flex;
  gap: 3px;
  font-size: 11px;
}

:root[data-ui="v2"] .an-terms-none {
  color: color-mix(in srgb, var(--text-tertiary) 60%, transparent);
}

:root[data-ui="v2"] .an-terms-table tr.is-overall > * {
  border-bottom-color: color-mix(in srgb, var(--text-tertiary) 45%, transparent);
}

:root[data-ui="v2"] .an-terms-table tr.is-overall .an-terms-name,
:root[data-ui="v2"] .an-terms-table tr.is-overall .an-terms-value {
  font-weight: 600;
}

:root[data-ui="v2"] .an-terms-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  padding: 12px 20px;
  border-top: 1px solid var(--card-border);
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-terms-note .ph {
  flex: none;
  margin-top: 1px;
  font-size: 13px;
}

/* ── Spread charts (box plots) ──
   Marks: a hairline whisker for min–max, a tinted box for Q1–Q3 with a solid median bar,
   and (overall card only) mean ± SD as a capped line with a ringed dot. */

:root[data-ui="v2"] .an-spread-key {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-key-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

:root[data-ui="v2"] .an-spread-key-whisker,
:root[data-ui="v2"] .an-spread-key-sd {
  position: relative;
  width: 18px;
  height: 9px;
  border-inline: 1px solid var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-key-whisker::before,
:root[data-ui="v2"] .an-spread-key-sd::before {
  content: "";
  position: absolute;
  inset: 4px 0 auto;
  height: 1px;
  background: var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-key-sd > span {
  position: absolute;
  top: 1px;
  left: 50%;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  border-radius: 50%;
  background: var(--text-secondary);
}

:root[data-ui="v2"] .an-spread-key-box {
  position: relative;
  width: 18px;
  height: 11px;
  border: 1.5px solid var(--text-tertiary);
  border-radius: 3px;
  background: color-mix(in srgb, var(--text-tertiary) 18%, transparent);
}

:root[data-ui="v2"] .an-spread-key-box > span {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: var(--text-secondary);
}

/* Shared marks. Each plot sets --box-h (box height) and --mid (y of the box centre). */
:root[data-ui="v2"] .an-spread-plot,
:root[data-ui="v2"] .an-overall-plot {
  position: relative;
}

:root[data-ui="v2"] .an-spread-plot > span,
:root[data-ui="v2"] .an-overall-plot > span {
  position: absolute;
}

:root[data-ui="v2"] .an-spread-grid {
  inset: 0;
}

:root[data-ui="v2"] .an-spread-grid > span {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: color-mix(in srgb, var(--card-border) 70%, transparent);
}

:root[data-ui="v2"] .an-spread-whisker {
  top: calc(var(--mid) - var(--box-h) / 4);
  height: calc(var(--box-h) / 2);
  border-inline: 1px solid var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-whisker::before {
  content: "";
  position: absolute;
  inset: calc(var(--box-h) / 4 - 0.5px) 0 auto;
  height: 1px;
  background: var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-box {
  top: calc(var(--mid) - var(--box-h) / 2);
  height: var(--box-h);
  min-width: 3px;
  border: 1.5px solid var(--subject-color);
  border-radius: 4px;
  background: color-mix(in srgb, var(--subject-color) 22%, var(--card-surface));
}

:root[data-ui="v2"] .an-spread-median {
  top: calc(var(--mid) - var(--box-h) / 2);
  width: 2.5px;
  height: var(--box-h);
  margin-left: -1.25px;
  border-radius: 1px;
  background: color-mix(in srgb, var(--subject-color) 70%, var(--text-primary));
}

:root[data-ui="v2"] .an-spread-dot,
:root[data-ui="v2"] .an-spread-mean {
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  border-radius: 50%;
  background: var(--subject-color);
  box-shadow: 0 0 0 2px var(--card-surface);
}

:root[data-ui="v2"] .an-spread-dot {
  top: calc(var(--mid) - 4.5px);
}

/* An outlier: a hollow ring on the box's line, past the end of the whisker. */
:root[data-ui="v2"] .an-spread-outlier {
  top: calc(var(--mid) - 4.5px);
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  border: 1.5px solid var(--subject-color);
  border-radius: 50%;
  background: var(--card-surface);
}

:root[data-ui="v2"] .an-overall-plot .an-spread-outlier {
  top: calc(var(--mid) - 6px);
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-width: 2px;
}

:root[data-ui="v2"] .an-spread-key-outlier {
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--text-secondary);
  border-radius: 50%;
}

:root[data-ui="v2"] .an-spread-outlier-label {
  top: 0;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  cursor: default;
}

:root[data-ui="v2"] .an-spread-outlier-label .ph {
  font-size: 11px;
  color: var(--subject-color);
}

:root[data-ui="v2"] .an-spread-scale {
  position: relative;
  height: 16px;
}

:root[data-ui="v2"] .an-spread-scale > span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* The end labels sit inside the plot instead of hanging past its edges. */
:root[data-ui="v2"] .an-spread-scale > span:first-child {
  transform: none;
}

:root[data-ui="v2"] .an-spread-scale > span:last-child {
  transform: translateX(-100%);
}

/* The shared chart tooltip holds the five-number summary on separate lines here. */
:root[data-ui="v2"] .chart-tooltip {
  white-space: pre-line;
}

/* ── Overall spread: one large plot, then every number labelled ── */

:root[data-ui="v2"] .an-overall {
  margin-top: 20px;
}

:root[data-ui="v2"] .an-overall > .empty-state {
  padding: 8px 0 4px;
  text-align: left;
}

:root[data-ui="v2"] .an-overall-chart {
  --subject-color: var(--accent);
}

:root[data-ui="v2"] .an-overall-plot {
  --box-h: 44px;
  --mid: 42px;
  --sd-y: 76px;
  height: 96px;
}

:root[data-ui="v2"] .an-overall-plot .an-spread-median {
  width: 3px;
  margin-left: -1.5px;
}

:root[data-ui="v2"] .an-spread-sd {
  top: var(--sd-y);
  height: 11px;
  min-width: 1px;
  border-inline: 1px solid var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-sd::before {
  content: "";
  position: absolute;
  inset: 5px 0 auto;
  height: 1px;
  background: var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-plot .an-spread-mean,
:root[data-ui="v2"] .an-overall-plot .an-spread-mean {
  top: calc(var(--sd-y) + 0.5px);
  width: 10px;
  height: 10px;
  margin-left: -5px;
}

:root[data-ui="v2"] .an-overall-chart .an-spread-scale {
  margin-top: 6px;
}

:root[data-ui="v2"] .an-overall-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) 1px repeat(3, minmax(0, 1fr));
  gap: 0 16px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
}

/* A hairline between the five-number summary and the measures of spread. */
:root[data-ui="v2"] .an-overall-stats::before {
  content: "";
  grid-column: 6;
  grid-row: 1;
  background: var(--card-border);
}

:root[data-ui="v2"] .an-overall-stat:nth-child(n + 6) {
  grid-row: 1;
}

:root[data-ui="v2"] .an-overall-stat:nth-child(6) { grid-column: 7; }
:root[data-ui="v2"] .an-overall-stat:nth-child(7) { grid-column: 8; }
:root[data-ui="v2"] .an-overall-stat:nth-child(8) { grid-column: 9; }

:root[data-ui="v2"] .an-overall-stat dt {
  font-size: 12px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-overall-stat dd {
  margin: 2px 0 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-overall-stat.is-key dd {
  color: var(--accent);
}

:root[data-ui="v2"] .an-overall-key {
  margin-top: 16px;
}

/* ── Spread by subject: a compact table, one line per subject ── */

:root[data-ui="v2"] .an-spread-card .an-card-head {
  flex-wrap: wrap;
}

:root[data-ui="v2"] .an-spread {
  margin: 16px -20px -20px;
  border-top: 1px solid var(--card-border);
}

:root[data-ui="v2"] .an-spread > .empty-state {
  padding: 24px 20px;
  text-align: left;
}

:root[data-ui="v2"] .an-spread-head,
:root[data-ui="v2"] .an-spread-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(0, 3fr) 44px 44px 48px 44px;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 0 20px;
}

:root[data-ui="v2"] .an-spread-head {
  height: 36px;
  border-bottom: 1px solid var(--card-border);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-spread-head .an-spread-scale {
  top: 1px;
}

:root[data-ui="v2"] .an-spread-head .an-spread-num {
  font-size: 12px;
}

:root[data-ui="v2"] .an-spread-row {
  min-height: 48px;
  border: none;
  border-bottom: 1px solid var(--card-border);
  background: none;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

:root[data-ui="v2"] .an-spread-row:last-child {
  border-bottom: none;
}

@media (hover: hover) {
  :root[data-ui="v2"] .an-spread-row:hover {
    background: var(--bg-hover);
  }
}

:root[data-ui="v2"] .an-spread-row:focus-visible {
  outline-offset: -2px;
}

:root[data-ui="v2"] .an-spread-name {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
}

:root[data-ui="v2"] .an-spread-name-text {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

:root[data-ui="v2"] .an-spread-plot {
  --box-h: 16px;
  --mid: 13px;
  --sd-y: 27px;
  height: 42px;
}

:root[data-ui="v2"] .an-spread-num {
  text-align: right;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

:root[data-ui="v2"] .an-spread-row .an-spread-num.is-count {
  color: var(--text-tertiary);
}

@media (max-width: 960px) {
  :root[data-ui="v2"] .an-spread-head,
  :root[data-ui="v2"] .an-spread-row {
    grid-template-columns: minmax(120px, 0.9fr) minmax(0, 2.4fr) 40px 40px 44px 40px;
    gap: 12px;
  }

  :root[data-ui="v2"] .an-overall-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }

  :root[data-ui="v2"] .an-overall-stats::before {
    display: none;
  }

  :root[data-ui="v2"] .an-overall-stat:nth-child(n + 6) {
    grid-row: 2;
  }

  :root[data-ui="v2"] .an-overall-stat:nth-child(6) { grid-column: 1; }
  :root[data-ui="v2"] .an-overall-stat:nth-child(7) { grid-column: 2; }
  :root[data-ui="v2"] .an-overall-stat:nth-child(8) { grid-column: 3; }
}

/* ── Phones ── */

@media (max-width: 700px) {
  :root[data-ui="v2"] .view[data-view="analytics"] .card {
    padding: 16px;
  }

  :root[data-ui="v2"] .an-terms {
    margin: 16px -16px -16px;
  }

  /* Phones: the subject column stays put while the terms scroll sideways. */
  :root[data-ui="v2"] .an-terms-table tr > :first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    width: 150px;
    padding-left: 16px;
    background: var(--card-surface);
  }

  :root[data-ui="v2"] .an-terms-table {
    min-width: 560px;
  }

  :root[data-ui="v2"] .an-terms-note {
    padding: 12px 16px;
  }

  :root[data-ui="v2"] .an-spread {
    margin: 16px -16px -16px;
  }

  /* Phones: name and numbers on the first line, the plot full width beneath. */
  :root[data-ui="v2"] .an-spread-head,
  :root[data-ui="v2"] .an-spread-row {
    grid-template-columns: minmax(0, 1fr) 36px 36px 40px 34px;
    gap: 4px 10px;
    padding: 10px 16px;
  }

  :root[data-ui="v2"] .an-spread-head {
    height: auto;
    padding-block: 8px 6px;
  }

  :root[data-ui="v2"] .an-spread-plot,
  :root[data-ui="v2"] .an-spread-head .an-spread-scale {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  :root[data-ui="v2"] .an-spread-plot {
    height: 40px;
  }

  :root[data-ui="v2"] .an-overall-plot {
    --box-h: 36px;
    --mid: 36px;
    --sd-y: 64px;
    height: 84px;
  }

  :root[data-ui="v2"] .an-overall-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px 12px;
  }

  :root[data-ui="v2"] .an-overall-stat:nth-child(n) {
    grid-row: auto;
    grid-column: auto;
  }

  :root[data-ui="v2"] .an-overall-stat dd {
    font-size: 16px;
  }

  :root[data-ui="v2"] .an-card-head {
    flex-wrap: wrap;
  }

  :root[data-ui="v2"] .v2-an-figure-value {
    font-size: 28px;
  }

  :root[data-ui="v2"] .view[data-view="analytics"] .chart-wrap {
    height: 200px;
  }

  :root[data-ui="v2"] .subjects-chart-section .chart-wrap {
    height: 240px;
  }

  :root[data-ui="v2"] .v2-an-subject {
    grid-template-columns: 36px minmax(0, 1fr) auto 40px;
    gap: 12px;
    padding: 12px 16px;
  }

  :root[data-ui="v2"] .v2-an-target {
    display: none;
  }

  :root[data-ui="v2"] .an-subjects,
  :root[data-ui="v2"] .assessment-card .table-wrap {
    margin: 0 -16px -16px;
  }

  :root[data-ui="v2"] .an-subjects > .empty-state {
    padding: 24px 16px;
  }

  :root[data-ui="v2"] .assessment-search {
    max-width: none;
  }

  /* The table becomes a list of cards:
       name ............ percent grade
       subject ................ score
       date ................. actions   (weight is dropped) */
  :root[data-ui="v2"] .assessment-card .table-wrap {
    max-height: none;
    overflow: visible;
  }

  :root[data-ui="v2"] .assessment-card thead {
    display: none;
  }

  :root[data-ui="v2"] .assessment-card table,
  :root[data-ui="v2"] .assessment-card tbody {
    display: block;
    min-width: 0;
  }

  :root[data-ui="v2"] #assessment-table tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    grid-template-areas:
      "name percent grade"
      "meta score score"
      "date actions actions";
    align-items: center;
    gap: 4px 10px;
    padding: 12px 16px;
    border-top: 1px solid var(--card-border);
  }

  :root[data-ui="v2"] #assessment-table tr:first-child {
    border-top: none;
  }

  :root[data-ui="v2"] #assessment-table tr:has(> td.empty-state) {
    display: block;
  }

  :root[data-ui="v2"] #assessment-table tr:hover {
    background: none;
  }

  :root[data-ui="v2"] #assessment-table td {
    display: block;
    height: auto;
    min-width: 0;
    padding: 0;
    border: none;
    text-align: left;
  }

  :root[data-ui="v2"] #assessment-table td.empty-state {
    padding: 24px 0;
    text-align: center;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(1) {
    grid-area: meta;
    font-size: 13px;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(2) {
    grid-area: name;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(3) {
    grid-area: score;
    justify-self: end;
    font-size: 13px;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(4) {
    display: none;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(5) {
    grid-area: percent;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(6) {
    grid-area: grade;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(7) {
    grid-area: date;
    font-size: 12px;
  }

  :root[data-ui="v2"] #assessment-table td:nth-child(8) {
    grid-area: actions;
    justify-self: end;
    width: auto;
    margin-right: -6px;
  }
}

/* Icons used only on this page (Phosphor name → Lucide glyph). */
:root[data-ui="v2"] .ph-trend-up::before,
:root[data-ui="v2"] .ph-trend-down::before,
:root[data-ui="v2"] .ph-minus::before {
  font-family: "lucide" !important;
  font-weight: normal !important;
}
:root[data-ui="v2"] .ph-trend-up::before { content: "\e191"; }
:root[data-ui="v2"] .ph-trend-down::before { content: "\e190"; }
:root[data-ui="v2"] .ph-minus::before { content: "\e120"; }

/* ── Grade breakdown (replaces "Subjects over time" in V2) ── */

:root[data-ui="v2"] .subjects-chart-section {
  display: none !important;
}

:root[data-ui="v2"] .an-grades {
  display: flex;
  align-items: stretch;
  gap: 6px;
  height: 168px;
}

:root[data-ui="v2"] .an-grades:has(> .empty-state) {
  height: auto;
}

:root[data-ui="v2"] .an-grades > .empty-state {
  flex: 1;
  align-self: center;
  padding: 8px 0;
  text-align: left;
}

:root[data-ui="v2"] .an-grade-col {
  --band: var(--text-tertiary);
  flex: 1 1 0;
  display: grid;
  grid-template-rows: 16px minmax(0, 1fr) 18px;
  justify-items: center;
  gap: 6px;
  min-width: 0;
  padding: 0;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

/* A little extra space between the A, B, C, D and E groups. */
:root[data-ui="v2"] .an-grade-col.is-band-start {
  margin-left: 10px;
}

:root[data-ui="v2"] .an-grade-col:disabled {
  cursor: default;
}

:root[data-ui="v2"] .an-grade-col[data-grade="A"] { --band: var(--grade-a); }
:root[data-ui="v2"] .an-grade-col[data-grade="B"] { --band: var(--grade-b); }
:root[data-ui="v2"] .an-grade-col[data-grade="C"] { --band: var(--grade-c); }
:root[data-ui="v2"] .an-grade-col[data-grade="D"],
:root[data-ui="v2"] .an-grade-col[data-grade="E"] { --band: var(--grade-d); }

:root[data-ui="v2"] .an-grade-count {
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

/* Every grade has a soft slot, so empty grades read as empty rather than missing. */
:root[data-ui="v2"] .an-grade-track {
  position: relative;
  width: 100%;
  max-width: 28px;
  height: 100%;
  border-radius: 6px;
  background: color-mix(in srgb, var(--band) 7%, transparent);
  overflow: hidden;
}

:root[data-ui="v2"] .an-grade-bar {
  position: absolute;
  inset: auto 0 0;
  border-radius: 6px;
  background: color-mix(in srgb, var(--band) 80%, transparent);
  transition: height 0.3s ease, background 0.15s ease, opacity 0.15s ease;
}

:root[data-ui="v2"] .an-grade-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

:root[data-ui="v2"] .an-grade-col.is-empty .an-grade-label {
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .an-grade-col:not(:disabled):hover .an-grade-bar {
  background: var(--band);
}

:root[data-ui="v2"] .an-grade-col:not(:disabled):hover .an-grade-count,
:root[data-ui="v2"] .an-grade-col.is-selected .an-grade-count,
:root[data-ui="v2"] .an-grade-col.is-selected .an-grade-label {
  color: var(--text-primary);
}

:root[data-ui="v2"] .an-grade-col:focus-visible {
  outline: none;
}

:root[data-ui="v2"] .an-grade-col:focus-visible .an-grade-track {
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 2px;
}

/* With a grade chosen, the others fade back. */
:root[data-ui="v2"] .an-grades.has-selection .an-grade-col:not(.is-selected) .an-grade-bar {
  opacity: 0.3;
}

:root[data-ui="v2"] .an-grade-col.is-selected .an-grade-bar {
  background: var(--band);
}

:root[data-ui="v2"] .an-grade-col.is-selected .an-grade-label {
  font-weight: 600;
}

/* "Grade A+ ✕" tag beside the All assessments title while the table is filtered */
:root[data-ui="v2"] .an-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  margin-left: 8px;
  padding: 0 6px 0 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--card-border));
  border-radius: 999px;
  background: var(--accent-control, var(--bg-secondary));
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  vertical-align: 2px;
  cursor: pointer;
}

:root[data-ui="v2"] .an-filter-tag[hidden] {
  display: none;
}

:root[data-ui="v2"] .an-filter-tag:hover {
  background: var(--bg-hover);
}

:root[data-ui="v2"] .an-filter-tag .button-icon {
  font-size: 12px;
  color: var(--text-tertiary);
}

@media (max-width: 700px) {
  :root[data-ui="v2"] .an-grades {
    gap: 3px;
    height: 140px;
  }

  :root[data-ui="v2"] .an-grade-col.is-band-start {
    margin-left: 4px;
  }

  :root[data-ui="v2"] .an-grade-label,
  :root[data-ui="v2"] .an-grade-count {
    font-size: 11px;
  }




}

/* The trend headline is the change, coloured by direction. */
:root[data-ui="v2"] .v2-an-figure-value[data-dir="up"] {
  color: var(--grade-a);
}

:root[data-ui="v2"] .v2-an-figure-value[data-dir="down"] {
  color: var(--grade-d);
}

:root[data-ui="v2"] .v2-an-cell-rel {
  text-align: right;
  white-space: nowrap;
}

:root[data-ui="v2"] .v2-an-head-rel {
  text-align: right;
}

/* By subject rows: distance to the next grade, in the meta line. */
:root[data-ui="v2"] .v2-subject-next {
  color: var(--text-secondary);
  font-weight: 500;
}