:root {
  --bg: #eef3f8;
  --ink: #122033;
  --muted: #5d6d82;
  --line: rgba(18, 32, 51, 0.1);
  --cyan: #0c7c96;
  --cyan-deep: #0a5f78;
  --ice: #f7fbff;
  --panel: rgba(255, 255, 255, 0.9);
  --amber: #8a5a12;
  --amber-bg: #fff6e8;
  --good: #0f7a4d;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Bahnschrift, "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 420px at 0% -10%, rgba(20, 184, 199, 0.18), transparent 60%),
    radial-gradient(700px 380px at 100% 0%, rgba(99, 145, 214, 0.14), transparent 55%),
    linear-gradient(rgba(18, 32, 51, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 32, 51, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 32px 32px, 32px 32px, auto;
}

a { color: var(--cyan-deep); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--cyan); }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 1.6rem;
  background: rgba(238, 243, 248, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.mark {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  line-height: 0;
  text-decoration: none;
}

.mark img {
  height: 4.75rem;
  width: auto;
  display: block;
}

nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 999px;
}
nav a[aria-current="page"], nav a:hover {
  color: var(--ink);
  border-color: rgba(12, 124, 150, 0.35);
  background: rgba(255, 255, 255, 0.8);
}

main { width: min(1180px, calc(100% - 2rem)); margin: 1.25rem auto 2.5rem; }

.page-head { margin: 0.4rem 0 1rem; }
h1 { margin: 0 0 0.35rem; font-size: 1.8rem; font-weight: 600; letter-spacing: -0.03em; }
h2 { margin: 1.4rem 0 0.6rem; font-size: 1.05rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.lede, .note { color: var(--muted); max-width: 68ch; }

.stale {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  color: var(--amber);
  background: var(--amber-bg);
  border: 1px solid rgba(138, 90, 18, 0.25);
  border-left: 3px solid #e0a43a;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(18, 32, 51, 0.05);
  overflow: auto;
}

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.metric {
  padding: 0.9rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.metric span { display: block; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.metric strong { display: block; margin-top: 0.25rem; font-size: 1.35rem; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; background: transparent; }
th, td { padding: 0.55rem 0.75rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
tbody tr:hover { background: rgba(12, 124, 150, 0.05); }
.mono, td.mono, .symbol { font-family: "Cascadia Mono", Consolas, monospace; font-variant-numeric: tabular-nums; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.8rem 0.9rem; }
.choices { display: flex; align-items: center; gap: 0.75rem; }
.signal-views { display: flex; gap: 0.4rem; }
.signal-views a, .signal-views button, .action {
  font: 0.92rem Bahnschrift, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--ice);
  border: 1px solid rgba(12, 124, 150, 0.28);
  border-radius: 999px;
  padding: 0.38rem 0.85rem;
  cursor: pointer;
  text-decoration: none;
}
.signal-views a[aria-pressed="true"], .signal-views button[aria-pressed="true"], .action:hover {
  color: white;
  background: linear-gradient(180deg, #1492ad, var(--cyan-deep));
  border-color: transparent;
}

.sheet-scroll { overflow-x: auto; }
.grid-head, .signal-row {
  display: grid;
  grid-template-columns: 46px 108px minmax(130px, 1.2fr) 96px 110px 62px 84px 122px 74px 116px minmax(108px, 0.7fr) 158px 120px minmax(150px, 1fr);
  align-items: center;
}
.grid-head button, .signal-row > * { padding-left: 0.4rem; padding-right: 0.4rem; }
.signal-row > * { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grid-head {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fbfe;
  border-bottom: 1px solid var(--line);
}
.row-no { color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; }
.grid-head .row-no {
  padding: 0.7rem 0.4rem;
  font: 600 0.72rem Bahnschrift, "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
}
.grid-head button {
  appearance: none;
  background: none;
  border: 0;
  text-align: left;
  padding: 0.7rem 0.75rem;
  color: var(--muted);
  font: 600 0.72rem Bahnschrift, "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.grid-head button[aria-sort="ascending"]::after { content: "  ↑"; color: var(--cyan); }
.grid-head button[aria-sort="descending"]::after { content: "  ↓"; color: var(--cyan); }
.grid-view {
  position: relative;
  max-height: min(720px, calc(100vh - 280px));
  overflow-y: auto;
  scrollbar-gutter: stable;
}
#signal-rows { position: absolute; left: 0; right: 0; top: 0; }
.signal-row { height: 44px; border-bottom: 1px solid var(--line); }
.signal-row a, .signal-row span { padding: 0 0.75rem; min-width: 0; }
.trend { font-family: "Cascadia Mono", Consolas, monospace; letter-spacing: 0.04em; }
.trend i { font-style: normal; font-weight: 700; }
.trend .u { color: var(--good); }
.trend .d { color: #9a4632; }
.trend .n { color: var(--muted); font-weight: 600; }
.clip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty-note { padding: 1rem 0.9rem; color: var(--muted); }

.admin-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0.75rem; margin-top: 0.75rem; }
.admin-card { padding: 0.9rem 1rem 1rem; }
.admin-card h2 { margin-top: 0; }
.admin-card h3 { margin: 0.85rem 0 0.25rem; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.overview h2 { margin: 0; padding: 0.85rem 0.9rem 0.35rem; }
.choice { display: flex; align-items: center; gap: 0.45rem; margin: 0.45rem 0; }
.choice-box { max-height: 12rem; overflow: auto; margin: 0.2rem 0 0.4rem; padding: 0.15rem 0.55rem; border: 1px solid var(--line); border-radius: 6px; background: var(--ice); }
.choice-box .choice { margin: 0.28rem 0; }
.choice.days { margin-left: 1.4rem; color: var(--muted); }
input.days, input.search, select.days, .choice select {
  font: 0.95rem Bahnschrift, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--ice);
  border: 1px solid rgba(12, 124, 150, 0.28);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
}
input.days { width: 4.5rem; }
input.search { min-width: 16rem; }
.job-panel { padding: 0.85rem 1rem; margin-bottom: 0.75rem; }
.job-line { margin: 0 0 0.45rem; }
.job-track { height: 0.45rem; background: rgba(12, 124, 150, 0.12); border-radius: 999px; overflow: hidden; }
.job-track span { display: block; height: 100%; background: linear-gradient(90deg, #1492ad, var(--cyan-deep)); }
button.action:disabled, .action[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

.chip {
  display: inline-block;
  max-width: 100%;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  background: #eef2f6;
  color: var(--muted);
}
.chip.watching { background: #e5f7fb; color: var(--cyan-deep); }
.chip.breakout { background: #e7f6ee; color: var(--good); }
.chip.blocked-readiness { background: var(--amber-bg); color: var(--amber); }

.stats { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0 1rem; }
.stats span, .versions a {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
}
.stage {
  position: relative;
  padding: 0.6rem;
  background:
    linear-gradient(var(--ice), var(--ice)) padding-box,
    linear-gradient(135deg, rgba(20, 184, 199, 0.7), rgba(99, 145, 214, 0.25)) border-box;
  border: 1px solid transparent;
  border-radius: 16px;
}
.stage img { display: block; width: 100%; height: auto; border-radius: 10px; background: white; }
.facts { padding: 0.9rem 1rem 1.1rem; }
.facts img { width: 96px; height: 96px; object-fit: contain; background: white; border-radius: 12px; }
.facts h2 { margin: 0.2rem 0 0.35rem; font-size: 0.78rem; }
.facts .lede { margin: 0 0 0.9rem; }
.facts .metrics { margin-bottom: 1rem; }
.facts-table th.num, .facts-table td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.facts-table { min-width: 40rem; }
.versions { display: flex; flex-wrap: wrap; gap: 0.45rem; list-style: none; padding: 0; }
.back { display: inline-block; margin-top: 1rem; }
.browse {
  position: sticky;
  top: 6rem;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0;
  background: rgba(238, 243, 248, 0.94);
}
.browse[hidden] { display: none; }
.browse #signal-pos { color: var(--muted); font-variant-numeric: tabular-nums; }

.index-charts { display: grid; gap: 1rem; margin-bottom: 1rem; }
.index-charts figure { position: relative; margin: 0; background: #fffdf8; border: 1px solid #e4dccf; padding: 0.8rem 0.9rem 0.7rem; }
.index-charts figcaption { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 0.35rem; font-weight: 600; }
.index-charts figcaption span { color: var(--muted); font-weight: 500; }
.index-charts svg { width: 100%; height: auto; display: block; cursor: crosshair; }
.index-tip {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  min-width: 8.5rem;
  padding: 0.4rem 0.55rem 0.45rem;
  background: #122033;
  color: #fffdf8;
  border-radius: 4px;
  font-size: 0.82rem;
  line-height: 1.35;
  box-shadow: 0 6px 16px rgba(18, 32, 51, 0.18);
}
.index-tip[hidden] { display: none; }
.index-tip strong { display: flex; align-items: center; gap: 0.35rem; }
.index-tip i { width: 0.7rem; height: 0.7rem; display: inline-block; }
.index-tip .index-tip-day { color: #c5d0dc; }
.index-legend { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; list-style: none; padding: 0.45rem 0 0; margin: 0; }
.index-legend i { display: inline-block; width: 0.75rem; height: 0.75rem; margin-right: 0.28rem; vertical-align: -0.05rem; }
.treemap { display: grid; gap: 1rem; }
.treemap article { background: #fffdf8; border: 1px solid #e4dccf; padding: 0.8rem; }
.tiles { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tile { display: flex; flex-direction: column; min-width: 7rem; padding: 0.55rem 0.7rem; color: inherit; text-decoration: none; border-radius: 4px; }
.tile strong { font-size: 0.92rem; }

.data-table { width: 100%; border-collapse: collapse; background: var(--panel); margin: 0 0 1.2rem; }
.data-table th, .data-table td { text-align: left; padding: 0.45rem 0.65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.bar-chart { background: var(--panel); border: 1px solid var(--line); padding: 0.8rem 1rem 0.4rem; margin-bottom: 1.2rem; }
.bar-chart svg { width: 100%; height: auto; display: block; }
.archive-empty { margin-top: 0.4rem; }
.screener-filters, .screener-layers { display: flex; flex-wrap: wrap; gap: 0.6rem 0.8rem; align-items: end; margin: 0 0 1rem; }
.screener-filters label, .screener-layers label { display: flex; flex-direction: column; gap: 0.15rem; color: var(--muted); font-size: 0.75rem; }
.screener-filters input, .screener-filters select { font: 0.92rem Bahnschrift, "Segoe UI", sans-serif; padding: 0.3rem 0.4rem; }
#screener-rows tr { cursor: pointer; }
#chart-canvas { min-height: 520px; }
#chart-detail { padding: 0.8rem 1rem; margin-top: 0.8rem; }

@media (max-width: 800px) {
  .top { align-items: flex-start; flex-direction: column; }
  main { width: min(100% - 1rem, 1180px); }
  .grid-view { height: 68vh; }
}