:root {
  color-scheme: light;
  --surface-0: #f7f7f5;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --border:    #e0dfda;
  --border-strong: #c9c7c0;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #78766f;
  --series-friday: #2a78d6;
  --series-bench:  #eb6834;
  --series-cash:   #a8a69d;
  --good: #1baf7a;
  --bad:  #e34948;
  --grid: #e6e5e0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #131312;
    --surface-1: #1a1a19;
    --surface-2: #232322;
    --border:    #33322f;
    --border-strong: #4a4945;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #94928a;
    --series-friday: #3987e5;
    --series-bench:  #d95926;
    --series-cash:   #6e6c65;
    --good: #199e70;
    --bad:  #e66767;
    --grid: #2b2b29;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #131312;
  --surface-1: #1a1a19;
  --surface-2: #232322;
  --border:    #33322f;
  --border-strong: #4a4945;
  --text-primary:   #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted:     #94928a;
  --series-friday: #3987e5;
  --series-bench:  #d95926;
  --series-cash:   #6e6c65;
  --good: #199e70;
  --bad:  #e66767;
  --grid: #2b2b29;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface-0);
  color: var(--text-primary);
  font: 15px/1.6 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "tnum" 1;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px 72px; }

/* header */
header { padding: 44px 0 28px; }
.mark {
  font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 600; margin: 0 0 10px;
}
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 0 0 10px; letter-spacing: -.02em; }
.sub { color: var(--text-secondary); margin: 0; max-width: 62ch; }

/* status strip */
.strip {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  padding: 12px 16px; margin: 22px 0 0;
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px;
  font-size: 13px; color: var(--text-secondary);
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 7px; vertical-align: 1px; }
.dot.live { background: var(--good); }
.dot.stale { background: var(--series-bench); }
.dot.none { background: var(--text-muted); }

/* hero */
.heroes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0 0; }
@media (max-width: 760px) { .heroes { grid-template-columns: 1fr; } }
.card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 24px;
}
.card h2 {
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-muted); margin: 0 0 18px; font-weight: 600;
}
.row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 9px 0; }
.row + .row { border-top: 1px solid var(--border); }
.row .k { display: flex; align-items: center; gap: 9px; color: var(--text-secondary); font-size: 14px; }
.swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.big { font-size: clamp(26px, 4vw, 34px); font-weight: 650; letter-spacing: -.02em; line-height: 1; }
.mid { font-size: 19px; font-weight: 600; }
.pos { color: var(--good); } .neg { color: var(--bad); }
.edge { margin-top: 16px; padding-top: 15px; border-top: 2px solid var(--border-strong); }
.note { color: var(--text-muted); font-size: 12.5px; margin: 14px 0 0; }

/* deployment bar */
.bar { display: flex; height: 30px; border-radius: 7px; overflow: hidden; margin: 6px 0 14px; background: var(--surface-2); gap: 2px; }
.bar span { display: block; height: 100%; width: 0; }
.bar .dep { background: var(--series-friday); }
.bar .csh { background: var(--series-cash); }

/* stats tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 760px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; display: flex; flex-direction: column; gap: 6px;
}
.tk { color: var(--text-muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; }
.tv { font-size: 22px; font-weight: 650; }
.tv.muted { color: var(--text-muted); }

/* chart range buttons */
.ranges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.rb {
  border: 1px solid var(--border-strong); background: var(--surface-1);
  color: var(--text-secondary); border-radius: 7px; padding: 4px 12px;
  font: 12px/1.6 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  cursor: pointer;
}
.rb.active { background: var(--series-friday); border-color: var(--series-friday); color: #fff; }
.rb:disabled { opacity: .35; cursor: not-allowed; }

/* charts */
section { margin: 44px 0 0; }
section > h2 { font-size: 17px; margin: 0 0 4px; letter-spacing: -.01em; }
section > p.lede { color: var(--text-secondary); margin: 0 0 18px; max-width: 66ch; }
figure { margin: 0; background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 20px 20px 14px; }
figcaption { color: var(--text-muted); font-size: 12.5px; margin-top: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 14px; font-size: 13px; color: var(--text-secondary); }
.legend b { display: flex; align-items: center; gap: 7px; font-weight: 500; }
.chart-scroll { overflow-x: auto; }
svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.axis { fill: var(--text-muted); font-size: 11px; }
.zero { stroke: var(--border-strong); stroke-width: 1; }
.ser { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.crosshair { stroke: var(--border-strong); stroke-width: 1; stroke-dasharray: 3 3; }
.hitpad { fill: transparent; }
.tip {
  position: absolute; pointer-events: none; z-index: 5; min-width: 150px;
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: 9px; padding: 9px 11px; font-size: 12.5px;
  box-shadow: 0 6px 22px rgba(0,0,0,.13); opacity: 0; transition: opacity .1s;
}
.tip[data-on="1"] { opacity: 1; }
.tip .td { color: var(--text-muted); margin-bottom: 5px; }
.tip .tr { display: flex; justify-content: space-between; gap: 14px; }
.tip .tr span:last-child { font-weight: 600; }
.figwrap { position: relative; }

/* empty / error */
.empty {
  border: 1px dashed var(--border-strong); border-radius: 12px;
  padding: 40px 24px; text-align: center; color: var(--text-secondary); background: var(--surface-1);
}

/* prose */
.prose p { color: var(--text-secondary); max-width: 68ch; }
.prose h3 { font-size: 15px; margin: 26px 0 6px; color: var(--text-primary); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }
.grid2 .card p { margin: 0; color: var(--text-secondary); font-size: 14px; }
.grid2 .card h3 { margin: 0 0 8px; font-size: 14.5px; color: var(--text-primary); }

/* table */
details { margin-top: 14px; }
summary { cursor: pointer; color: var(--text-secondary); font-size: 13px; padding: 6px 0; }
table { border-collapse: collapse; width: 100%; font-size: 13px; margin-top: 10px; }
th, td { text-align: right; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; }

footer { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 12.5px; }
footer p { max-width: 72ch; }

.swatch.s-friday { background: var(--series-friday); }
.swatch.s-bench  { background: var(--series-bench); }
.swatch.s-cash   { background: var(--series-cash); }