/* Design tokens. Series colors follow the validated data-viz palette used on the
   Dawn Storage site: slot 1 blue = selected year, slot 2 orange = last year,
   gray = 5-year references, added years take slots 3-8 in fixed order.
   Spacing is on a 4px grid; type scale 12 / 13 / 14 / 16 / 22 / 56. */
:root {
  color-scheme: light;
  --page: #f7f7f5; --card: #ffffff; --raised: #fbfbfa;
  --ink: #0b0b0b; --ink-2: #52514e; --ink-3: #85837d;
  --grid: #ebeae5; --axis: #c3c2b7; --border: rgba(11, 11, 11, 0.08); --border-strong: rgba(11, 11, 11, 0.16);
  --s1: #2a78d6; --s1-wash: rgba(42, 120, 214, 0.10); --s2: #eb6834;
  --c3: #1baf7a; --c4: #eda100; --c5: #e87ba4; --c6: #008300; --c7: #6250d6; --c8: #e34948;
  --ref: #7a7873; --ref-wash: rgba(137, 135, 129, 0.16); --ref-bar: #b9b7ae; --old-bar: #dfded8;
  --good: #0ca30c; --critical: #d03b3b;
  --seg-on: #0b0b0b; --seg-on-ink: #ffffff;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 1px 1px rgba(11, 11, 11, 0.02);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --card: #171716; --raised: #1d1d1c;
    --ink: #f0efec; --ink-2: #c3c2b7; --ink-3: #8d8b85;
    --grid: #262624; --axis: #3a3a37; --border: rgba(255, 255, 255, 0.08); --border-strong: rgba(255, 255, 255, 0.16);
    --s1: #3987e5; --s1-wash: rgba(57, 135, 229, 0.16); --s2: #d95926;
    --c3: #199e70; --c4: #c98500; --c5: #d55181; --c6: #008300; --c7: #9085e9; --c8: #e66767;
    --ref: #9a988f; --ref-wash: rgba(137, 135, 129, 0.16); --ref-bar: #5d5c58; --old-bar: #33332f;
    --seg-on: #f0efec; --seg-on-ink: #0b0b0b;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --card: #171716; --raised: #1d1d1c;
  --ink: #f0efec; --ink-2: #c3c2b7; --ink-3: #8d8b85;
  --grid: #262624; --axis: #3a3a37; --border: rgba(255, 255, 255, 0.08); --border-strong: rgba(255, 255, 255, 0.16);
  --s1: #3987e5; --s1-wash: rgba(57, 135, 229, 0.16); --s2: #d95926;
  --c3: #199e70; --c4: #c98500; --c5: #d55181; --c6: #008300; --c7: #9085e9; --c8: #e66767;
  --ref: #9a988f; --ref-wash: rgba(137, 135, 129, 0.16); --ref-bar: #5d5c58; --old-bar: #33332f;
  --seg-on: #f0efec; --seg-on-ink: #0b0b0b;
  --shadow: none;
}

* { box-sizing: border-box; }
html { background: var(--page); }
body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--s1); text-underline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--s1); outline-offset: 2px; border-radius: 6px; }

/* ---------- header ---------- */
.top { max-width: 1160px; margin: 0 auto; padding: 28px 24px 16px; display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: flex-end; justify-content: space-between; }
.eyebrow { margin: 0 0 2px; font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.brand h1 { font-size: 22px; font-weight: 650; margin: 0; letter-spacing: -0.015em; }
.status { margin: 0; font-size: 13px; color: var(--ink-2); }
.state { display: inline-flex; align-items: center; gap: 8px; }
.state::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 18%, transparent); }
.state.ok { color: var(--good); } .state.stale { color: var(--critical); }
.state span { color: var(--ink-2); }

/* ---------- filter bar ---------- */
.filters { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
.filters-inner { max-width: 1160px; margin: 0 auto; padding: 12px 24px; display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.seg, .field { display: inline-flex; align-items: center; gap: 2px; background: var(--card); border: 1px solid var(--border-strong); border-radius: 10px; padding: 3px; height: 38px; }
.seg button { font: inherit; font-size: 13px; font-weight: 500; color: var(--ink-2); background: none; border: 0; cursor: pointer; padding: 0 12px; border-radius: 7px; height: 30px; white-space: nowrap; transition: background .12s, color .12s; }
.seg button:hover { color: var(--ink); background: var(--ref-wash); }
.seg button[aria-checked="true"] { background: var(--seg-on); color: var(--seg-on-ink); }
.seg.small { height: 32px; border-radius: 8px; }
.seg.small button { height: 24px; padding: 0 10px; font-size: 12.5px; border-radius: 6px; }
.field { padding: 3px 4px 3px 12px; }
.field-label { font-size: 12px; color: var(--ink-3); margin-right: 6px; white-space: nowrap; }
.field select { font: inherit; font-size: 13px; font-weight: 500; color: var(--ink); background: transparent; border: 0; padding: 0 4px; height: 30px; border-radius: 6px; cursor: pointer; max-width: 210px; }
.field select:hover { background: var(--ref-wash); }
.icon-btn { display: inline-grid; place-items: center; width: 30px; height: 30px; background: none; border: 0; border-radius: 7px; color: var(--ink-2); cursor: pointer; }
.icon-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn:hover { background: var(--ref-wash); color: var(--ink); }
.icon-btn:disabled { opacity: .3; cursor: default; background: none; }
.text-btn { font: inherit; font-size: 13px; font-weight: 500; color: var(--s1); background: none; border: 0; cursor: pointer; padding: 0 10px; height: 30px; border-radius: 7px; text-decoration: none; display: inline-flex; align-items: center; white-space: nowrap; }
.text-btn:hover { background: var(--s1-wash); }
.text-btn:disabled { color: var(--ink-3); background: none; cursor: default; }

main { max-width: 1160px; margin: 0 auto; padding: 24px 24px 8px; }

/* ---------- summary: hero + comparison rows ---------- */
.summary { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 16px; margin-bottom: 16px; }
.hero, .cmp, .card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero { padding: 24px; display: flex; flex-direction: column; gap: 4px; }
.hero .kicker { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.hero .kicker .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--s1); }
.hero .figure { display: flex; align-items: baseline; gap: 8px; margin-top: 8px; }
.hero .num { font-size: 56px; font-weight: 650; letter-spacing: -0.03em; line-height: 1; }
.hero .unit { font-size: 16px; font-weight: 500; color: var(--ink-2); }
.hero .kind { font-size: 16px; font-weight: 600; margin-top: 4px; }
.hero .story { margin: 12px 0 0; font-size: 14px; color: var(--ink-2); max-width: 44ch; }
.hero .story b { color: var(--ink); font-weight: 600; }
.spark { margin-top: 20px; }
.spark-head { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; display: flex; justify-content: space-between; }
.spark-bars { position: relative; display: flex; align-items: stretch; gap: 3px; height: 56px; }
.spark-bars .col { flex: 1; position: relative; max-width: 24px; }
.spark-bars .bar { position: absolute; left: 0; right: 0; background: var(--old-bar); }
.spark-bars .bar.up { border-radius: 3px 3px 0 0; } .spark-bars .bar.down { border-radius: 0 0 3px 3px; }
.spark-bars .col.on .bar { background: var(--s1); }
.spark-bars .base { position: absolute; left: 0; right: 0; height: 1px; background: var(--axis); }
.spark-wrap { position: relative; margin-right: 6px; }
.spark-dot { position: absolute; right: -6px; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; background: var(--s1); box-shadow: 0 0 0 2px var(--card); }
.spark-line { display: block; width: 100%; height: 56px; overflow: visible; }
.spark-ends { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; margin-top: 2px; }
.hero .aside { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--grid); display: flex; gap: 24px; flex-wrap: wrap; }
.hero .aside div { display: flex; flex-direction: column; }
.hero .aside dt { font-size: 12px; color: var(--ink-3); }
.hero .aside dd { margin: 0; font-size: 16px; font-weight: 600; }
.hero .aside dd small { font-size: 12.5px; font-weight: 500; color: var(--ink-2); }

.cmp { padding: 20px 24px 16px; display: flex; flex-direction: column; }
.cmp h2 { font-size: 14px; font-weight: 600; margin: 0; }
.cmp .card-sub { margin-bottom: 12px; }
.cmp-grid { display: grid; grid-auto-flow: row dense; grid-template-columns: minmax(150px, 1.3fr) 64px minmax(120px, 2.4fr) 84px; column-gap: 0; align-items: stretch; }
.cmp-grid .cmp-val { padding-right: 20px; } .cmp-grid .track-cell, .cmp-grid .track-axis-cell { padding-right: 20px; }
.cmp-head { font-size: 12px; color: var(--ink-3); padding-bottom: 6px; border-bottom: 1px solid var(--grid); }
.cmp-row { display: contents; }
.cmp-row > * { padding: 10px 0; border-bottom: 1px solid var(--grid); }
.cmp-grid > .cmp-head, .cmp-row > * { display: flex; flex-direction: column; justify-content: center; }
.cmp-val, .cmp-diff { align-items: flex-end; }
.cmp-head { justify-content: flex-end !important; font-weight: 400 !important; font-size: 12px !important; white-space: nowrap; }
.cmp-row.last > * { border-bottom: 0; }
.cmp-name { display: flex; flex-direction: column; min-width: 0; }
.cmp-name b { font-weight: 600; font-size: 13.5px; display: flex; align-items: center; gap: 8px; }
.cmp-name small { color: var(--ink-3); font-size: 12px; padding-left: 18px; }
.key { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.key.line { height: 2px; width: 12px; border-radius: 1px; margin-right: -2px; }
.key.dash { height: 0; width: 12px; border-top: 2px dashed var(--ref); border-radius: 0; margin-right: -2px; }
.cmp-name { grid-column: 1; } .cmp-val { grid-column: 2; } .track-cell, .track-axis-cell { grid-column: 3; } .cmp-diff { grid-column: 4; }
.cmp-val, .cmp-diff { text-align: right; font-variant-numeric: tabular-nums; }
.cmp-val { font-weight: 600; font-size: 14px; }
.cmp-diff { font-size: 13px; color: var(--ink); }
.cmp-diff small { display: block; color: var(--ink-3); font-size: 12px; }
.r { text-align: right; }

.track { position: relative; height: 24px; }
.track .rule { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--grid); }
.track .zero { position: absolute; top: 2px; bottom: 2px; width: 1px; background: var(--ink-3); }
.track .gap { position: absolute; top: 50%; height: 2px; margin-top: -1px; background: var(--ink-3); opacity: .55; border-radius: 1px; }
.track .pt { position: absolute; top: 50%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; box-shadow: 0 0 0 2px var(--card); }
.track .pt.sel { background: var(--s1); z-index: 2; }
.axis-row { display: contents; }
.axis-row > * { padding-top: 4px; }
.track-axis { position: relative; height: 16px; font-size: 11.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.track-axis span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.track-axis span:first-child { transform: none; }
.track-axis span:last-child { transform: translateX(-100%); }

/* ---------- cards & charts ---------- */
.card { padding: 20px 24px 12px; margin-bottom: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 8px; }
.card-head h2 { font-size: 16px; font-weight: 600; margin: 0; letter-spacing: -0.005em; }
.card-sub { margin: 2px 0 0; color: var(--ink-2); font-size: 13px; max-width: 760px; }
.chart { width: 100%; height: 320px; }
.chart.tall { height: 420px; }

.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; padding: 8px 0 12px; border-bottom: 1px solid var(--grid); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.toolbar { flex-direction: column; align-items: stretch; }
.tool-row { display: flex; align-items: flex-start; gap: 12px; }
.tool-label { flex: none; width: 104px; font-size: 12px; color: var(--ink-3); padding-top: 6px; }
.chips.years { gap: 4px; flex: 1; }
.chip.year { height: 26px; padding: 0 9px 0 7px; gap: 6px; font-variant-numeric: tabular-nums; border-style: solid; }
.chip.year .key { width: 10px; }
.chip.year[aria-pressed="false"] { border-style: solid; border-color: var(--border); }
.chip.year[aria-pressed="false"] .key { opacity: 1; }
.chip.year[aria-pressed="true"] { color: var(--ink); border-color: var(--ink-3); background: var(--raised); }
.chip:disabled { opacity: .4; cursor: default; }
.chip:disabled:hover { background: transparent; color: var(--ink-3); }
.text-btn.small { height: 26px; font-size: 12.5px; padding: 0 8px; }
.chip { font: inherit; font-size: 12.5px; font-weight: 500; color: var(--ink-2); background: transparent; border: 1px solid var(--border-strong); border-radius: 999px; padding: 0 12px 0 10px; height: 28px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: background .12s, border-color .12s, color .12s; }
.chip:hover { color: var(--ink); background: var(--ref-wash); }
.chip .key { width: 12px; }
.chip[aria-pressed="false"] { color: var(--ink-3); border-style: dashed; }
.chip[aria-pressed="false"] .key { opacity: .35; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; margin: 0 -8px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--ink-3); font-weight: 500; font-size: 12px; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.sel td { font-weight: 600; background: var(--s1-wash); }
tr.sel td:first-child { border-radius: 8px 0 0 8px; } tr.sel td:last-child { border-radius: 0 8px 8px 0; }
td .key { display: inline-block; margin-right: 8px; vertical-align: 1px; }

/* ---------- explainer ---------- */
.learn { padding-bottom: 12px; }
.learn > summary { list-style: none; cursor: pointer; }
.learn > summary::-webkit-details-marker { display: none; }
.learn > summary h2 { font-size: 15px; font-weight: 600; margin: 0; display: inline-flex; align-items: center; gap: 10px; }
.learn > summary h2::before { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--ink-2); border-bottom: 1.5px solid var(--ink-2); transform: rotate(-45deg); transition: transform .15s; }
.learn[open] > summary h2::before { transform: rotate(45deg); }
.prose { max-width: 720px; padding-top: 8px; }
.prose p { color: var(--ink-2); margin: 0 0 10px; }
.prose strong { color: var(--ink); }

.foot { max-width: 1160px; margin: 0 auto; padding: 16px 24px 40px; color: var(--ink-3); font-size: 12.5px; }
.foot p { margin: 0; }
.error { color: var(--critical); padding: 24px; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .summary { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .top, .filters-inner, main, .foot { padding-left: 16px; padding-right: 16px; }
  .top { padding-top: 20px; }
  .filters { position: static; }
  .filters-inner { gap: 8px; }
  .seg:not(.small) { width: 100%; }
  .seg:not(.small) button { flex: 1; }
  .field { width: 100%; }
  .field select { flex: 1; max-width: none; }
  .hero, .cmp, .card { padding-left: 16px; padding-right: 16px; }
  .hero .num { font-size: 48px; }
  .cmp-grid { grid-template-columns: minmax(0, 1fr) 56px 64px; }
  .cmp-grid .track-cell, .cmp-grid .track-axis-cell { padding-right: 0; }
  .cmp-diff { grid-column: 3; }
  .cmp-grid .track-cell, .cmp-grid .track-axis-cell { grid-column: 1 / -1; padding-top: 0; }
  .cmp-row > .track-cell { border-bottom: 1px solid var(--grid); padding-bottom: 10px; }
  .cmp-row > .cmp-name, .cmp-row > .cmp-val, .cmp-row > .cmp-diff { border-bottom: 0; padding-bottom: 2px; }
  .cmp-head .track-cell { display: none; }
  .card-head { flex-direction: column; gap: 8px; }
  .tool-row { flex-direction: column; gap: 6px; }
  .tool-label { width: auto; padding-top: 0; }
  .chart, .chart.tall { height: 320px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }