:root {
  color-scheme: dark;
  --ink: #0b1b20;
  --deep: #10272d;
  --panel: #15343b;
  --panel-2: #1a3e46;
  --line: rgba(206, 228, 225, .14);
  --ice: #e5efed;
  --mist: #9eb7b5;
  --aqua: #62d3c7;
  --aqua-dark: #1f8f89;
  --coral: #ff7a6b;
  --saffron: #f4c95d;
  --shadow: 0 18px 46px rgba(2, 12, 15, .24);
  --display: "Avenir Next Condensed", "Arial Narrow", sans-serif;
  --body: "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(98, 211, 199, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(98, 211, 199, .025) 1px, transparent 1px),
    radial-gradient(circle at 84% -12%, #285862 0, transparent 34rem),
    var(--ink);
  background-size: 28px 28px, 28px 28px, auto, auto;
  color: var(--ice);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: max(12px, env(safe-area-inset-top)) 18px 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 27, 32, .86);
  backdrop-filter: blur(18px) saturate(130%);
}

.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(98, 211, 199, .5);
  border-radius: 50% 50% 44% 56%;
  color: var(--aqua);
  font: 800 16px var(--display);
  transform: rotate(-5deg);
}
.brand strong { display: block; font: 700 16px/1 var(--display); letter-spacing: .02em; }
.brand small { display: block; margin-top: 4px; color: var(--mist); font: 500 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .14em; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.mode-pill { color: var(--saffron); font: 700 8px var(--mono); letter-spacing: .08em; }
.refresh-button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--deep);
  color: var(--ice);
}
.refresh-button svg, .thumb-nav svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.refresh-button.loading svg { animation: rotate .8s linear infinite; }

main { width: min(100%, 1060px); margin: 0 auto; padding: 18px 14px calc(108px + env(safe-area-inset-bottom)); }
.panel { display: none; animation: rise .32s ease both; }
.panel.active { display: block; }

.tide-card, .pulse-card, .comparison-card, .truth-card, .metric-grid article, .stack-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(26, 62, 70, .96), rgba(16, 39, 45, .96));
  box-shadow: var(--shadow);
}
.tide-card { position: relative; overflow: hidden; border-radius: 24px 24px 11px 24px; }
.tide-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--saffron) 42%, var(--aqua));
}
.tide-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; padding: 24px 20px 0; }
.eyebrow { margin: 0 0 8px; color: var(--mist); font: 700 10px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.equity-line { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 10px; }
.equity-value { font: 750 clamp(38px, 11vw, 62px)/.94 var(--display); letter-spacing: -.045em; }
.pnl-chip { margin-bottom: 5px; padding: 5px 8px; border-radius: 8px; font: 700 11px var(--mono); }
.pnl-chip.positive { background: rgba(98, 211, 199, .13); color: var(--aqua); }
.pnl-chip.negative { background: rgba(255, 122, 107, .14); color: var(--coral); }
.pnl-chip.neutral { background: rgba(229, 239, 237, .08); color: var(--mist); }
.health-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--mist); font: 700 9px var(--mono); text-transform: uppercase; white-space: nowrap; }
.health-badge span { width: 8px; height: 8px; border-radius: 50%; background: var(--mist); box-shadow: 0 0 0 4px rgba(158,183,181,.08); }
.health-badge.healthy { color: var(--aqua); }
.health-badge.healthy span { background: var(--aqua); box-shadow: 0 0 0 4px rgba(98,211,199,.12); }
.health-badge.delayed { color: var(--saffron); }
.health-badge.delayed span { background: var(--saffron); }
.health-badge.offline, .health-badge.stale { color: var(--coral); }
.health-badge.offline span, .health-badge.stale span { background: var(--coral); }

.chart-wrap { position: relative; height: 218px; margin: 8px 0 0; }
#equity-chart { width: 100%; height: 100%; overflow: visible; }
.waterline-label { position: absolute; right: 18px; top: 50%; color: rgba(229,239,237,.48); font: 600 8px var(--mono); letter-spacing: .06em; text-transform: uppercase; transform: translateY(-12px); }
.risk-rail { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.risk-rail div { padding: 15px 18px; border-right: 1px solid var(--line); }
.risk-rail div:last-child { border-right: 0; }
.risk-rail span { display: block; margin-bottom: 4px; color: var(--mist); font: 600 9px var(--mono); text-transform: uppercase; }
.risk-rail strong { font: 700 15px var(--mono); }

.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.metric-grid article { min-height: 102px; padding: 16px; border-radius: 13px 20px 13px 13px; }
.metric-grid span { display: block; color: var(--mist); font: 650 10px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.metric-grid strong { display: block; margin-top: 12px; font: 730 22px/1 var(--display); }
.metric-grid small { display: block; margin-top: 7px; color: var(--mist); font: 500 10px var(--mono); }

.pulse-card { margin-top: 10px; padding: 20px; border-radius: 20px 12px 20px 20px; }
.section-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.section-title h2, .page-heading h1 { margin: 0; font: 720 28px/.98 var(--display); letter-spacing: -.025em; }
.section-title time { color: var(--mist); font: 500 9px var(--mono); }
.pulse-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 24px; }
.pulse-grid div { padding: 0 7px; border-left: 1px solid var(--line); }
.pulse-grid div:first-child { padding-left: 0; border-left: 0; }
.pulse-grid strong { display: block; font: 700 21px var(--mono); }
.pulse-grid span { display: block; margin-top: 4px; color: var(--mist); font: 600 8px var(--mono); text-transform: uppercase; }
.cycle-note { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--mist); font-size: 12px; }

.comparison-card { margin-top: 10px; padding: 20px; border-radius: 12px 20px 20px; }
.comparison-card[hidden] { display: none; }
.comparison-status { padding: 5px 7px; border: 1px solid rgba(98,211,199,.28); border-radius: 7px; color: var(--aqua); font: 650 8px var(--mono); text-transform: uppercase; white-space: nowrap; }
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 20px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--line); }
.comparison-grid div { min-width: 0; padding: 13px; background: rgba(16,39,45,.92); }
.comparison-grid span, .comparison-grid small { display: block; color: var(--mist); font: 600 8px var(--mono); text-transform: uppercase; }
.comparison-grid strong { display: block; margin: 8px 0 5px; font: 720 20px var(--mono); }
.comparison-grid small { font-size: 7px; }
.blocker-list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 15px; }
.blocker-caption { width: 100%; color: var(--mist); font: 600 8px var(--mono); text-transform: uppercase; }
.blocker-chip { display: inline-flex; align-items: center; gap: 7px; padding: 5px 7px; border: 1px solid rgba(244,201,93,.25); border-radius: 7px; color: var(--saffron); font: 550 9px var(--mono); }
.blocker-chip b { color: var(--ice); }
.blocker-chip.current { box-shadow: inset 0 0 0 1px rgba(244,201,93,.22); }
.divergence-list { display: grid; gap: 7px; margin-top: 15px; }
.divergence-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 12px; padding: 10px 0 3px; border-top: 1px solid var(--line); }
.divergence-row a, .divergence-row > div:first-child > span { color: var(--ice); font: 650 11px/1.35 var(--body); text-decoration: none; }
.divergence-row a:hover { text-decoration: underline; text-decoration-color: var(--aqua); text-underline-offset: 3px; }
.divergence-row a b { margin-left: 5px; color: var(--aqua); font-family: var(--mono); }
.divergence-row small { display: block; margin-top: 4px; color: var(--mist); font: 500 8px/1.3 var(--mono); }
.divergence-row > div:last-child { min-width: 108px; text-align: right; }
.divergence-row strong { font: 700 11px var(--mono); }
.comparison-note, .strategy-foot { margin: 15px 0 0; padding-top: 13px; border-top: 1px solid var(--line); color: var(--mist); font: 500 10px/1.5 var(--mono); }

.truth-card { display: flex; gap: 14px; margin-top: 10px; padding: 17px; border-radius: 12px 20px 20px; box-shadow: none; }
.truth-mark { color: var(--saffron); font: 700 29px/1 var(--display); }
.truth-card strong { font-size: 13px; }
.truth-card p { margin: 5px 0 0; color: var(--mist); font-size: 12px; line-height: 1.45; }

.page-heading { padding: 12px 6px 22px; }
.page-heading h1 { font-size: 38px; }
.page-heading > p:last-child { max-width: 590px; margin: 13px 0 0; color: var(--mist); font-size: 13px; line-height: 1.5; }
.stack-list, .tape-list { display: grid; gap: 10px; }
.stack-card { padding: 17px; border-radius: 18px 12px 18px 18px; box-shadow: none; }
.position-card { position: relative; }
.market-title-link {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin: -2px 0 15px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  color: var(--ice);
  font: 690 15px/1.25 var(--body);
  text-decoration: none;
}
.market-title-link b { flex: 0 0 auto; color: var(--aqua); font: 700 17px/1 var(--mono); }
.market-title-link:hover span { text-decoration: underline; text-decoration-color: var(--aqua-dark); text-underline-offset: 3px; }
.market-title-link.unavailable { color: var(--mist); }
.position-top, .strategy-top, .fill-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.outcome { display: inline-flex; align-items: center; gap: 7px; font: 720 17px var(--display); }
.outcome::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--aqua); }
.position-pnl { display: grid; justify-items: end; min-width: 104px; font-family: var(--mono); }
.position-pnl small { color: var(--mist); font: 650 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.position-pnl strong { margin-top: 4px; font: 700 16px var(--mono); }
.position-pnl span { margin-top: 3px; font: 600 9px var(--mono); }
.position-pnl.positive strong, .position-pnl.positive span { color: var(--aqua); }
.position-pnl.negative strong, .position-pnl.negative span { color: var(--coral); }
.strategy-name { font: 720 18px var(--display); }
.subtle-id { display: block; margin-top: 5px; color: var(--mist); font: 500 9px var(--mono); }
.cost { text-align: right; font: 700 17px var(--mono); }
.cost small { display: block; margin-top: 4px; color: var(--mist); font: 500 8px var(--mono); text-transform: uppercase; }
.detail-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.detail-row span { display: block; color: var(--mist); font: 600 8px var(--mono); text-transform: uppercase; }
.detail-row strong { display: block; margin-top: 5px; font: 600 12px var(--mono); }
.detail-row.research-detail { grid-template-columns: 1fr 1fr; }
.position-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 13px; color: var(--mist); font: 550 9px var(--mono); }
.mark-stamp { padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; text-align: right; text-transform: uppercase; }
.mark-stamp.live { border-color: rgba(98, 211, 199, .28); color: var(--aqua); }
.mark-stamp.fallback { border-color: rgba(244, 201, 93, .3); color: var(--saffron); }
.strategy-meter { height: 5px; margin-top: 14px; overflow: hidden; border-radius: 4px; background: rgba(229,239,237,.08); }
.strategy-meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--aqua-dark), var(--aqua)); }
.calibration-pending { color: var(--saffron) !important; }

.tape-item { position: relative; padding-left: 29px; }
.tape-item::before { content: ""; position: absolute; left: 7px; top: 23px; bottom: -15px; width: 1px; background: var(--line); }
.tape-item:last-child::before { display: none; }
.tape-dot { position: absolute; left: 3px; top: 19px; width: 9px; height: 9px; border: 2px solid var(--panel); border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 1px var(--aqua); }
.fill-card { padding: 14px 15px; border: 1px solid var(--line); border-radius: 12px 18px 18px; background: rgba(21, 52, 59, .8); }
.fill-price { font: 700 16px var(--mono); }
.fill-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 10px; color: var(--mist); font: 500 9px var(--mono); }
.tag { display: inline-block; padding: 3px 6px; border: 1px solid var(--line); border-radius: 6px; color: var(--mist); font: 600 8px var(--mono); text-transform: uppercase; }

.empty { padding: 34px 18px; border: 1px dashed var(--line); border-radius: 18px; color: var(--mist); text-align: center; font-size: 13px; }
.skeleton { min-height: 110px; border-radius: 20px; background: linear-gradient(100deg, var(--deep) 20%, var(--panel) 40%, var(--deep) 60%); background-size: 220% 100%; animation: shimmer 1.3s infinite; }
.skeleton.tall { min-height: 170px; }
.offline-banner { position: fixed; z-index: 40; left: 12px; right: 12px; bottom: calc(82px + env(safe-area-inset-bottom)); padding: 11px 14px; border: 1px solid rgba(255,122,107,.4); border-radius: 12px; background: #542d2b; color: #ffe9e6; font-size: 11px; text-align: center; box-shadow: var(--shadow); }

.thumb-nav {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: max(10px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(calc(100% - 20px), 520px);
  min-height: 66px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: rgba(16, 39, 45, .94);
  box-shadow: 0 18px 50px rgba(0,0,0,.42);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}
.nav-item { display: grid; place-items: center; align-content: center; gap: 4px; border: 0; border-radius: 17px; background: transparent; color: var(--mist); font: 650 9px var(--body); }
.nav-item.active { background: var(--ice); color: var(--deep); }
.nav-item svg { width: 19px; }

.positive-text { color: var(--aqua) !important; }
.negative-text { color: var(--coral) !important; }

@media (min-width: 760px) {
  .topbar { padding-inline: 30px; }
  main { padding-top: 28px; }
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
  .tide-card { border-radius: 30px 30px 14px 30px; }
  .tide-head { padding: 30px 30px 0; }
  .chart-wrap { height: 265px; }
  .stack-list { grid-template-columns: 1fr 1fr; }
  .pulse-card { padding: 26px 28px; }
  .comparison-card { padding: 26px 28px; }
  .comparison-grid { grid-template-columns: repeat(4, 1fr); }
  .detail-row.research-detail { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes shimmer { to { background-position: -120% 0; } }