:root {
  --bg: #061622;
  --bg-deep: #03101a;
  --panel: rgba(12, 38, 56, 0.88);
  --panel-strong: #0c2b41;
  --panel-soft: rgba(18, 54, 78, 0.72);
  --line: rgba(187, 218, 235, 0.1);
  --line-strong: rgba(187, 218, 235, 0.18);
  --text: #edf6fa;
  --text-strong: #fff;
  --muted: #8da9b9;
  --muted-strong: #b3c8d3;
  --cyan: #54d5e2;
  --cyan-soft: rgba(84, 213, 226, 0.12);
  --green: #39c38a;
  --amber: #f3b544;
  --red: #ff5e6c;
  --m1: #56b4e9;
  --m2: #f1a52b;
  --m3: #21c48a;
  --m4: #e58bc1;
  --m5: #aa9fff;
  --shadow: 0 28px 70px rgba(0, 5, 10, 0.28);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 8% -10%, rgba(28, 116, 154, 0.28), transparent 34%),
    radial-gradient(circle at 93% 12%, rgba(95, 76, 180, 0.16), transparent 28%),
    linear-gradient(145deg, var(--bg) 0%, var(--bg-deep) 100%);
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
}

button, input { font: inherit; }
button { color: inherit; }
button:focus-visible, [tabindex]:focus-visible, a:focus-visible {
  outline: 3px solid rgba(84, 213, 226, 0.65);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 14px;
  color: #05202f;
  background: #fff;
  border-radius: 10px;
  transform: translateY(-140%);
}
.skip-link:focus { transform: none; }

.app-shell { max-width: 1600px; margin: 0 auto; padding: 18px 24px 28px; }

.topbar {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto auto;
  align-items: center;
  gap: 22px;
  min-height: 76px;
  padding: 0 4px 18px;
  border-bottom: 1px solid var(--line);
}

.brand-block, .scenario-pill, .top-actions, .header-actions, .fan-summary,
.model-card header, .model-card footer, .dock-heading, .page-footer { display: flex; align-items: center; }

.brand-block { gap: 13px; }
.brand-mark {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 1px solid rgba(84, 213, 226, 0.24);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(84, 213, 226, 0.14), rgba(84, 213, 226, 0.03));
  box-shadow: inset 0 1px rgba(255,255,255,.08);
}
.brand-mark span { width: 5px; border-radius: 4px; background: var(--cyan); }
.brand-mark span:nth-child(1) { height: 10px; opacity: .55; }
.brand-mark span:nth-child(2) { height: 20px; }
.brand-mark span:nth-child(3) { height: 15px; opacity: .75; }

.eyebrow, .section-kicker {
  margin: 0 0 3px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; color: var(--text-strong); font-size: clamp(20px, 2vw, 28px); line-height: 1.1; letter-spacing: -.035em; }
h2 { margin-bottom: 0; color: var(--text-strong); font-size: 18px; line-height: 1.2; letter-spacing: -.02em; }

.scenario-pill {
  gap: 10px;
  min-width: 250px;
  padding: 9px 10px 9px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.035);
}
.scenario-pill strong, .scenario-pill small { display: block; }
.scenario-pill strong { font-size: 12px; }
.scenario-pill small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(57,195,138,.1); }
.icon-button { margin-left: auto; border: 0; background: transparent; color: var(--muted); cursor: pointer; }

.top-actions, .header-actions { gap: 8px; }
.button, .compact-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: rgba(255,255,255,.045);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}
.button:hover, .compact-button:hover { background: rgba(255,255,255,.09); border-color: rgba(187,218,235,.28); }
.button:active, .compact-button:active { transform: translateY(1px); }
.button-primary { color: #03202c; background: linear-gradient(135deg, #67e0e8, #3cc2d1); border-color: transparent; box-shadow: 0 10px 25px rgba(60,194,209,.18); }
.button-primary:hover { background: linear-gradient(135deg, #7be8ef, #4ccbd9); }
.compact-button { min-height: 32px; padding: 0 11px; font-size: 11px; }

.context-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, .55fr)) minmax(170px, .85fr) minmax(260px, 1.3fr);
  margin: 14px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(7, 28, 42, .62);
  backdrop-filter: blur(18px);
  overflow: hidden;
}
.context-item, .context-note { min-height: 70px; padding: 14px 17px; border-right: 1px solid var(--line); }
.context-item span, .context-item strong, .context-item em { display: block; }
.context-item span { color: var(--muted); font-size: 10px; }
.context-item strong { margin-top: 5px; color: var(--text-strong); font-size: 14px; }
.context-item em { color: var(--amber); font-size: 9px; font-style: normal; }
.context-highlight { background: linear-gradient(135deg, rgba(243,181,68,.1), transparent); }
.context-highlight strong { color: #ffd37f; font-size: 18px; }
.context-note { display: flex; align-items: center; gap: 10px; border-right: 0; }
.context-note p { margin: 0; color: var(--muted); font-size: 10px; }
.context-note strong { color: var(--muted-strong); }
.status-icon { display: inline-grid; place-items: center; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; color: var(--cyan); background: var(--cyan-soft); font-size: 11px; font-weight: 900; }

.workspace { display: grid; grid-template-columns: minmax(380px, 35%) minmax(0, 65%); gap: 14px; align-items: start; }
.analysis-column { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card, .scenario-dock {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(165deg, rgba(14, 45, 65, .94), rgba(7, 29, 44, .95));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.025);
  overflow: hidden;
}
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 20px 14px; }
.compact-header { padding-bottom: 8px; }

.water-card { position: sticky; top: 14px; }
.water-list { border-top: 1px solid var(--line); }
.water-track { position: relative; display: grid; grid-template-columns: 152px minmax(0,1fr); min-height: 86px; border-bottom: 1px solid var(--line); }
.water-track:last-child { border-bottom: 0; }
.water-track::after { content: ""; position: absolute; top: 0; bottom: 0; left: 60.3%; width: 1px; background: rgba(255,255,255,.32); pointer-events: none; }
.track-reading { z-index: 2; padding: 11px 13px; border-right: 1px solid var(--line); background: rgba(1,16,25,.22); }
.track-name { display: flex; align-items: center; gap: 8px; }
.track-name strong, .track-name small { display: block; }
.track-name strong { color: var(--muted-strong); font-size: 11px; }
.track-name small { margin-top: 1px; color: var(--muted); font-size: 8px; }
.parameter-icon { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 9px; color: var(--cyan); background: var(--cyan-soft); font-size: 9px; font-weight: 900; }
.parameter-ph { color: var(--m4); background: rgba(229,139,193,.11); }
.parameter-temp, .parameter-tan { color: var(--amber); background: rgba(243,181,68,.1); }
.parameter-salinity { color: #54d5e2; }
.parameter-no2 { color: var(--m5); background: rgba(170,159,255,.12); }
.parameter-alk { color: var(--green); background: rgba(57,195,138,.1); }
.reading-main { margin-top: 7px; color: var(--text-strong); font-size: 21px; font-weight: 800; line-height: 1; letter-spacing: -.03em; }
.reading-main.warning { color: #ffd27d; }
.reading-main.danger { color: #ff8893; }
.reading-range { display: flex; justify-content: space-between; gap: 4px; margin-top: 5px; color: var(--muted); font-size: 8px; }
.track-chart { width: 100%; height: 85px; }
.zone-badge { position: absolute; z-index: 3; right: 9px; top: 8px; padding: 2px 6px; border-radius: 99px; font-size: 7px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.zone-safe { color: #7ee5bc; background: rgba(57,195,138,.11); }
.zone-warning { color: #ffd27d; background: rgba(243,181,68,.12); }
.zone-danger { color: #ff9ba4; background: rgba(255,94,108,.13); }
.timeline-footer { display: flex; justify-content: space-between; padding: 8px 15px 11px 165px; color: var(--muted); font-size: 8px; border-top: 1px solid var(--line); }
.mobile-track-tabs { display: none; }

.fan-card { min-height: 490px; }
.metric-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: rgba(0,0,0,.16); }
.metric-switch button, .mobile-track-tabs button { min-height: 30px; padding: 0 10px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 750; cursor: pointer; }
.metric-switch button.is-active, .mobile-track-tabs button[aria-selected="true"] { color: var(--text-strong); background: rgba(255,255,255,.1); box-shadow: 0 1px 6px rgba(0,0,0,.12); }
.fan-summary { gap: 0; margin: 0 20px; padding: 11px 0 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fan-summary > div { min-width: 130px; padding: 0 18px; border-right: 1px solid var(--line); }
.fan-summary > div:first-child { padding-left: 0; }
.fan-summary span, .fan-summary strong { display: block; }
.fan-summary span { color: var(--muted); font-size: 9px; }
.fan-summary strong { margin-top: 3px; color: var(--text-strong); font-size: 18px; }
.fan-summary .warning-text { color: #ffd27d; }
.fan-summary .fan-explanation { display: flex; align-items: center; gap: 9px; flex: 1; border-right: 0; }
.fan-explanation p { margin: 0; color: var(--muted); font-size: 10px; }
.main-chart { width: 100%; height: 280px; }
.spread-chart { width: calc(100% - 40px); height: 38px; margin: -14px 20px 0; border-radius: 9px; overflow: hidden; }
.legend { display: flex; flex-wrap: wrap; gap: 7px; padding: 9px 20px 18px; }
.legend-item { display: inline-flex; align-items: center; gap: 7px; min-height: 28px; padding: 0 9px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--muted); font-size: 9px; cursor: pointer; }
.legend-item:hover, .legend-item.is-on { border-color: var(--line); background: rgba(255,255,255,.035); color: var(--muted-strong); }
.legend-item:not(.is-on) { opacity: .38; }
.legend-item i { width: 18px; height: 2px; border-radius: 2px; background: currentColor; }
.model-m1 { --model: var(--m1); } .model-m2 { --model: var(--m2); } .model-m3 { --model: var(--m3); }
.model-m4 { --model: var(--m4); } .model-m5 { --model: var(--m5); }
.legend-item i, .model-code, .model-value { color: var(--model); }
.legend-item i { background: var(--model); }
.legend-item.model-m2 i { background: repeating-linear-gradient(90deg,var(--model) 0 6px,transparent 6px 9px); }
.legend-item.model-m3 i { background: repeating-linear-gradient(90deg,var(--model) 0 2px,transparent 2px 5px); }
.legend-item.model-m5 i { background: repeating-linear-gradient(90deg,var(--model) 0 9px,transparent 9px 12px); }

.model-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 9px; }
.model-card { position: relative; min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(12,39,57,.72); cursor: pointer; overflow: hidden; transition: border-color .16s ease, transform .16s ease, background .16s ease; }
.model-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--model); opacity: .65; }
.model-card:hover, .model-card.is-selected { transform: translateY(-2px); border-color: color-mix(in srgb, var(--model) 50%, transparent); background: color-mix(in srgb, var(--model) 6%, rgba(12,39,57,.9)); }
.model-card header, .model-card footer { justify-content: space-between; gap: 7px; }
.model-header-title { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.model-header-actions { display: inline-flex; align-items: center; gap: 5px; }
.model-icon { display: inline-block; width: 18px; height: 2px; border-radius: 2px; background: var(--model); flex: 0 0 auto; }
.model-m2 .model-icon { background: repeating-linear-gradient(90deg,var(--model) 0 6px,transparent 6px 9px); }
.model-m3 .model-icon { background: repeating-linear-gradient(90deg,var(--model) 0 2px,transparent 2px 5px); }
.model-m5 .model-icon { background: repeating-linear-gradient(90deg,var(--model) 0 9px,transparent 9px 12px); }
.model-info-button {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: var(--model);
  font-size: 11px;
  font-weight: 900;
  font-style: italic;
  line-height: 1;
  cursor: pointer;
}
.model-info-button:hover { border-color: color-mix(in srgb, var(--model) 45%, transparent); background: color-mix(in srgb, var(--model) 10%, transparent); }
.model-card.is-off { opacity: 0.45; }
.model-code { font-size: 11px; font-weight: 900; }
.provenance { padding: 2px 5px; border-radius: 5px; font-size: 6px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.provenance-calibrated, .provenance-fitted { color: #81e4bd; background: rgba(57,195,138,.1); }
.provenance-derived { color: #8fdcf0; background: rgba(84,213,226,.1); }
.provenance-hypothesis { color: #ffd58c; background: rgba(243,181,68,.1); }
.model-card > p { min-height: 31px; margin: 8px 0 2px; color: var(--muted); font-size: 9px; }
.model-value { display: block; font-size: 28px; line-height: 1; letter-spacing: -.04em; }
.model-card dl { margin: 12px 0; }
.model-card dl div { display: flex; justify-content: space-between; gap: 4px; padding: 4px 0; border-bottom: 1px solid rgba(187,218,235,.06); font-size: 8px; }
.model-card dt { color: var(--muted); }.model-card dd { margin: 0; color: var(--muted-strong); font-weight: 750; }
.model-card footer span { font-size: 7px; }.warning-count { color: #ffd27d; }.ok-count { color: #79dab2; }
.model-card footer button { width: 25px; height: 25px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.035); color: var(--model); cursor: pointer; }

.lower-grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 12px; }
.day-chip, .trend-chip { padding: 5px 8px; border-radius: 8px; color: var(--muted-strong); background: rgba(255,255,255,.05); font-size: 8px; }
.trend-chip { color: #ff9ca5; background: rgba(255,94,108,.09); }
.attribution-list { padding: 7px 20px 12px; }
.attribution-row { display: grid; grid-template-columns: 100px 1fr 34px; align-items: center; gap: 8px; min-height: 27px; }
.attribution-row > span { display: flex; align-items: center; gap: 7px; color: var(--muted-strong); font-size: 9px; }
.attribution-row i { width: 6px; height: 6px; border-radius: 50%; background: var(--attr); }
.attribution-row > div { height: 6px; border-radius: 99px; background: rgba(255,255,255,.055); overflow: hidden; }
.attribution-row b { display: block; width: var(--bar-width,0%); height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--attr),color-mix(in srgb,var(--attr) 50%,transparent)); }
.attribution-row output { color: var(--muted); font-size: 9px; text-align: right; }
.attr-do { --attr: var(--m1); }.attr-nh3 { --attr: var(--m2); }.attr-ph { --attr: var(--m4); }
.attr-no2 { --attr: #aa9fff; }.attr-salinity { --attr: #54d5e2; }
.attr-interaction { --attr: var(--m5); }.attr-base { --attr: #7f99a8; }
.attribution-empty { margin: 0; padding: 8px 20px; color: var(--muted); font-size: 12px; }
.card-note { display: flex; gap: 8px; margin: 0 20px 17px; padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font-size: 8px; }
.card-note .status-icon { width: 18px; height: 18px; font-size: 8px; }
.biomass-stats { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1px; margin: 6px 20px 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--line); }
.biomass-stats div { padding: 10px 11px; background: rgba(5,24,36,.78); }
.biomass-stats span, .biomass-stats strong { display: block; }
.biomass-stats span { color: var(--muted); font-size: 8px; }.biomass-stats strong { margin-top: 3px; font-size: 16px; }.biomass-stats small { color: var(--muted); font-size: 8px; }
.biomass-chart { height: 105px; }

.scenario-dock { margin-top: 14px; }
.dock-heading { justify-content: space-between; padding: 16px 20px 12px; border-bottom: 1px solid var(--line); }
.dock-content { display: grid; grid-template-columns: minmax(300px,.75fr) 1px minmax(0,1.7fr); gap: 20px; align-items: center; padding: 16px 20px 19px; }
.dock-events { display: grid; gap: 14px; align-content: center; }
.group-label { color: var(--muted); font-size: 9px; }
.event-buttons { display: flex; gap: 5px; margin: 7px 0; }
.event-buttons button { min-width: 45px; min-height: 34px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted-strong); background: rgba(255,255,255,.035); font-size: 10px; font-weight: 800; cursor: pointer; }
.event-buttons button.is-active { color: #fff; border-color: rgba(255,94,108,.42); background: linear-gradient(135deg,rgba(255,94,108,.22),rgba(255,94,108,.08)); box-shadow: inset 0 0 0 1px rgba(255,94,108,.1); }
.event-group p { margin: 0; color: var(--muted); font-size: 8px; }
.dock-divider { width: 1px; height: 66px; background: var(--line); }
.assumption-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.assumption-item { position: relative; min-height: 74px; padding: 12px 36px 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.025); }
.assumption-item span, .assumption-item strong, .assumption-item small { display: block; }
.assumption-item span { color: var(--muted); font-size: 8px; }.assumption-item strong { margin-top: 5px; color: var(--muted-strong); font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.assumption-item small { margin-top: 3px; color: var(--muted); font-size: 7px; }
.assumption-item button { position: absolute; top: 10px; right: 8px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.assumption-alert { background: linear-gradient(135deg,rgba(255,94,108,.07),transparent); }
.assumption-alert strong { color: #ffadb4; }
.channel-bars { position: absolute; right: 10px; bottom: 11px; width: 38px; }.channel-bars i { display: block; height: 3px; margin-top: 3px; border-radius: 2px; background: var(--red); }.channel-bars i:last-child { width: 18%; background: var(--green); }

.page-footer { justify-content: space-between; gap: 18px; padding: 14px 4px 0; color: var(--muted); font-size: 8px; }
.page-footer p { margin: 0; }.pilot-mark { margin-right: 5px; padding: 2px 5px; border: 1px solid rgba(243,181,68,.2); border-radius: 5px; color: #ffd27d; background: rgba(243,181,68,.08); font-weight: 900; text-transform: uppercase; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 100; max-width: 320px; padding: 12px 15px; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--text); background: rgba(8,31,46,.96); box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .18s ease; }
.toast.is-visible { opacity: 1; transform: none; }
.chart-tip { min-width: 150px; }
.chart-tip > strong { display: block; margin-bottom: 6px; color: #fff; }
.chart-tip-row { display: grid; grid-template-columns: 7px 1fr auto; align-items: center; gap: 7px; padding: 2px 0; }
.chart-tip-row i { width: 6px; height: 6px; border-radius: 50%; }
.chart-tip-row span { color: var(--muted-strong); }
.chart-tip-row b { color: #fff; }
.chart-tip footer { display: flex; justify-content: space-between; margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--line); color: var(--muted); }
.chart-tip footer b { color: #ffd27d; }
.chart-error { display: grid; place-items: center; min-height: 80px; color: #ff9ba4; font-size: 10px; }

@media (max-width: 1250px) {
  .topbar { grid-template-columns: 1fr auto; }.scenario-pill { display: none; }.top-actions { justify-self: end; }
  .context-bar { grid-template-columns: repeat(5,1fr); }.context-note { grid-column: 1/-1; min-height: 48px; border-top: 1px solid var(--line); }
  .workspace { grid-template-columns: minmax(340px,40%) minmax(0,60%); }
  .model-grid { grid-template-columns: repeat(3,1fr); }.model-card:nth-child(4), .model-card:nth-child(5) { grid-column: span 1; }
  .lower-grid { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
  .app-shell { padding: 14px; }.topbar { grid-template-columns: 1fr; }.top-actions { justify-self: stretch; }.top-actions .button { flex: 1; }
  .context-bar { grid-template-columns: repeat(3,1fr); }.context-item:nth-child(4), .context-item:nth-child(5) { border-top: 1px solid var(--line); }
  .workspace { grid-template-columns: 1fr; }.water-card { position: static; }.water-track { grid-template-columns: 170px 1fr; }
  .model-grid { grid-template-columns: repeat(5,minmax(150px,1fr)); overflow-x: auto; padding: 2px 1px 10px; scroll-snap-type: x mandatory; }.model-card { scroll-snap-align: start; }
  .dock-content { grid-template-columns: 1fr; }.dock-divider { width: 100%; height: 1px; }.assumption-grid { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 620px) {
  .app-shell { padding: 10px; }.brand-mark { display: none; }.topbar { gap: 13px; padding: 5px 3px 13px; }.top-actions { overflow-x: auto; }.top-actions .button { flex: 0 0 auto; min-height: 38px; }
  .context-bar { grid-template-columns: repeat(2,1fr); border-radius: 15px; }.context-item { min-height: 62px; }.context-item:nth-child(5) { grid-column: 1/-1; }.context-note { grid-column: 1/-1; }
  .card, .scenario-dock { border-radius: 17px; }.card-header { padding: 15px 14px 12px; }.header-actions .compact-button:first-child { display: none; }
  .mobile-track-tabs { display: flex; gap: 4px; margin: 0 12px 10px; padding: 3px; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: rgba(0,0,0,.14); }
  .mobile-track-tabs button { flex: 1 0 44px; }
  .water-track { display: none; grid-template-columns: 132px 1fr; min-height: 134px; }
  .water-track.is-mobile-active { display: grid; min-height: 134px; }
  .water-track.is-strip { display: grid; grid-template-columns: 1fr; min-height: 24px; max-height: 24px; overflow: hidden; opacity: 0.55; }
  .water-track.is-strip .track-reading, .water-track.is-strip .zone-badge { display: none; }
  .water-track.is-strip .track-chart { height: 24px; }
  .track-chart { height: 133px; }
  .timeline-footer { padding-left: 145px; }
  .fan-header { align-items: flex-start; flex-direction: column; }.metric-switch { width: 100%; }.metric-switch button { flex: 1; padding: 0 5px; }
  .fan-summary { display: grid; grid-template-columns: repeat(3,1fr); margin: 0 14px; }.fan-summary > div { min-width: 0; padding: 0 8px; }.fan-summary > div:first-child { padding-left: 0; }.fan-summary .fan-explanation { grid-column: 1/-1; margin-top: 10px; padding: 10px 0 0; border-top: 1px solid var(--line); border-right: 0; }
  .main-chart { height: 260px; }.spread-chart { width: calc(100% - 28px); margin-left: 14px; margin-right: 14px; }.legend { padding: 10px 14px 15px; }
  .model-grid { grid-template-columns: repeat(5,minmax(165px,1fr)); }.lower-grid { gap: 10px; }
  .attribution-list { padding-left: 14px; padding-right: 14px; }.attribution-row { grid-template-columns: 86px 1fr 30px; }.card-note { margin-left: 14px; margin-right: 14px; }
  .biomass-stats { margin-left: 14px; margin-right: 14px; }.biomass-stats { grid-template-columns: 1fr 1fr; }.biomass-stats div:first-child { grid-column: 1/-1; }
  .dock-heading { padding: 15px 14px 11px; }.dock-content { padding: 14px; }.event-buttons { overflow-x: auto; }.event-buttons button { flex: 0 0 48px; }.assumption-grid { grid-template-columns: 1fr; }
  .page-footer { align-items: flex-start; flex-direction: column; gap: 5px; padding: 12px 3px 0; }
}

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

.track-chart-editable {
  position: relative;
  touch-action: none;
}

.track-chart-editable canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.track-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
}

.track-overlay .track-knot {
  pointer-events: auto;
  fill: rgba(84, 213, 226, 0.22);
  stroke: var(--cyan);
  stroke-width: 1.5;
  cursor: ns-resize;
  transition: r 140ms cubic-bezier(0.2, 0, 0, 1), fill 140ms cubic-bezier(0.2, 0, 0, 1);
}

.track-overlay .track-knot.is-focused,
.track-overlay .track-knot:focus {
  outline: none;
  fill: rgba(84, 213, 226, 0.72);
  stroke: #fff;
  stroke-width: 2;
  filter: drop-shadow(0 0 4px rgba(84, 213, 226, 0.45));
}

.ghost-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 0 18px 12px;
  font-size: 11px;
  color: var(--muted);
}

.ghost-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ghost-legend i {
  width: 18px;
  height: 0;
  border-top: 2px dashed rgba(180, 210, 220, 0.8);
}

.water-edit-hint {
  margin: 8px 18px 14px;
  font-size: 12px;
  color: var(--muted);
}

.water-card[data-view="table"] .water-list,
.water-card[data-view="table"] .mobile-track-tabs,
.water-card[data-view="table"] .timeline-footer,
.water-card[data-view="table"] .water-edit-hint {
  display: none;
}

.water-table-panel {
  overflow-x: auto;
  margin: 0 18px 14px;
}

.water-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.water-table th,
.water-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.water-table th {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.water-table input[type="number"] {
  width: 4.5rem;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  font: inherit;
}

.compact-button.is-active {
  background: rgba(84, 213, 226, 0.15);
  border-color: rgba(84, 213, 226, 0.45);
}

.csv-dialog {
  width: min(560px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: inherit;
}

.csv-dialog::backdrop {
  background: rgba(4, 12, 20, 0.72);
}

.csv-dialog-form {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.csv-dialog-form h2 {
  margin: 0;
  font-size: 18px;
}

.csv-dialog-hint {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.csv-dialog-text {
  width: 100%;
  min-height: 140px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  font: 12px/1.45 ui-monospace, monospace;
  resize: vertical;
  box-sizing: border-box;
}

.csv-file-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.csv-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.fan-chart-wrap {
  position: relative;
}

.fan-tooltip {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  min-width: 120px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(8, 28, 44, 0.94);
  border: 1px solid var(--line);
  font-size: 11px;
}

.fan-tooltip div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.fan-empty {
  position: absolute;
  inset: 0;
  z-index: 2;
  place-items: center;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  pointer-events: none;
}

.fan-empty[hidden] {
  display: none !important;
}

.fan-empty:not([hidden]) {
  display: grid;
}

.model-spark {
  display: block;
  width: 100%;
  height: 24px;
  margin: 4px 0;
  color: rgba(180, 210, 225, 0.75);
}

.model-card.is-solo {
  outline: 1px solid rgba(84, 213, 226, 0.55);
}

.model-footer-status.warning-count { color: #ffd27d; }
.model-footer-status.ok-count { color: #79dab2; }

.dock-toggle {
  display: inline-block;
  margin-top: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.provenance-drawer,
.params-dialog {
  width: min(560px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: inherit;
}

.drawer-form,
.params-form {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.drawer-form header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-formula {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
}

.drawer-summary {
  margin: 0 0 8px;
  color: var(--muted-strong);
  font-size: 13px;
  line-height: 1.45;
}

.ref-list {
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.ref-list li + li { margin-top: 6px; }

.drawer-header .model-code { font-size: 13px; font-weight: 900; }

.anchor-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.anchor-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.params-form label {
  display: grid;
  gap: 4px;
  font-size: 12px;
}

.params-form input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
  color: inherit;
}

.track-chart-editable.is-at-boundary {
  outline: 1px solid rgba(255, 180, 80, 0.45);
  outline-offset: -1px;
}

.track-knot {
  fill: rgba(84, 213, 226, 0.22);
  stroke: #54d5e2;
  stroke-width: 1.5;
  cursor: grab;
}

.solo-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}

.model-card.is-solo .solo-button { color: #54d5e2; }

.preset-list { display: grid; gap: 8px; padding: 12px 20px 20px; }
.preset-list button {
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: inherit;
  cursor: pointer;
}

.selftest-panel {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px 24px;
}

.selftest-header { margin-bottom: 12px; }

.dock-event-buttons button.is-active {
  background: rgba(84, 213, 226, 0.18);
  border-color: rgba(84, 213, 226, 0.45);
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
  .track-overlay .track-knot { transition: none; }
}

/* Pilot shell (stage 1) — anchor checks before full interactive UI */
body:has(.calc-shell) {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 0%, rgba(84, 213, 226, 0.08), transparent 42%), var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.calc-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.calc-shell header {
  margin-bottom: 20px;
}

.calc-shell h1 {
  margin: 6px 0 0;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-strong);
}

.pilot-note {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
  letter-spacing: 0.04em;
}

.card-block {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(15, 48, 73, 0.92) 100%);
}

.card-block h2 {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.summary-grid div {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.summary-grid dt {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}

.summary-grid dd {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
}

.selftest-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.selftest-table th,
.selftest-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.selftest-table th {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.selftest-table .ok {
  color: var(--green);
  font-weight: 700;
}

.selftest-table .fail {
  color: var(--red);
  font-weight: 700;
}

.pending-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 620px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}