/* ============================================================================
   India AI Datacenter — Power & Policy Watch
   Analyst-terminal theme. Dark-first; .light on <html> flips to light.
   Depth = surface ramp + 1px hairlines, never drop shadows.
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg: #0A0C10;
  --surface: #11151C;
  --surface-2: #161B24;
  --surface-3: #1C232E;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --grid: rgba(255, 255, 255, 0.06);
  --zero-line: rgba(255, 255, 255, 0.18);

  --fg: #E6EAF0;
  --muted: #8A93A3;
  --faint: #5B6472;

  --primary: #38BDF8;
  --primary-foreground: #0A0C10;

  --status-op: #34D399;   /* operational */
  --status-uc: #38BDF8;   /* under construction */
  --status-an: #FBBF24;   /* announced */
  --status-mou: #F87171;  /* MoU / speculative */

  --pos: #34D399;
  --neg: #F87171;

  --radius: 8px;
  --radius-sm: 6px;
  --radius-full: 9999px;

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1500px;
}

html.light {
  color-scheme: light;

  --bg: #FAFBFC;
  --surface: #FFFFFF;
  --surface-2: #F2F4F7;
  --surface-3: #EAEEF3;

  --border: rgba(10, 12, 16, 0.10);
  --border-strong: rgba(10, 12, 16, 0.18);
  --grid: rgba(10, 12, 16, 0.08);
  --zero-line: rgba(10, 12, 16, 0.22);

  --fg: #11151C;
  --muted: #5B6472;
  --faint: #8A93A3;

  --primary: #0284C7;
  --primary-foreground: #FFFFFF;

  --status-op: #059669;
  --status-uc: #0284C7;
  --status-an: #D97706;
  --status-mou: #DC2626;

  --pos: #059669;
  --neg: #DC2626;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(0deg, var(--grid) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; color: inherit; }

a { color: var(--primary); text-underline-offset: 3px; }

.mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums lining-nums; }

.skip-link {
  position: absolute;
  left: 16px; top: 12px; z-index: 20;
  transform: translateY(-160%);
  background: var(--primary); color: var(--primary-foreground);
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-weight: 700; text-decoration: none;
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.app-shell, main, footer {
  width: min(var(--maxw), calc(100% - 40px));
  margin-inline: auto;
}

.app-shell { padding-top: clamp(20px, 3vw, 34px); }

.topline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.0rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h2 {
  margin-bottom: 6px;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 { margin-bottom: 0; font-size: 1.05rem; font-weight: 600; line-height: 1.2; }
h4 { margin: 0 0 6px; font-size: 0.95rem; font-weight: 600; line-height: 1.25; }

.topline-tools { display: flex; align-items: center; gap: 10px; }

.as-of {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.as-of strong { font-family: var(--mono); color: var(--fg); font-size: 0.82rem; letter-spacing: 0; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--muted);
  cursor: pointer; font-size: 1rem;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.icon-btn:hover { background: var(--surface-3); color: var(--fg); border-color: var(--border-strong); }

.view-nav {
  position: sticky; top: 0; z-index: 8;
  display: flex; gap: 4px;
  margin-top: 18px; padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-2) 86%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-pill {
  min-height: 34px; padding: 0 14px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  background: transparent; color: var(--muted);
  font-weight: 600; font-size: 0.85rem; white-space: nowrap; cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.nav-pill:hover { background: var(--surface-3); color: var(--fg); }
.nav-pill.is-active { background: var(--primary); color: var(--primary-foreground); }

main { padding-block: 22px 30px; }

.view { display: none; }
.view.is-active { display: block; animation: view-enter 280ms cubic-bezier(0.2, 0.8, 0.2, 1) both; }
@keyframes view-enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---- panels ---------------------------------------------------------------- */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(14px, 2vw, 20px);
}

.panel-label {
  color: var(--muted);
  font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}

.section-head { margin: 26px 0 12px; }
.section-head:first-child { margin-top: 0; }
.section-title-row {
  display: flex; justify-content: space-between; gap: 16px; align-items: baseline;
  margin-bottom: 12px;
}
.fine-print { color: var(--faint); font-size: 0.72rem; font-weight: 600; }

.lede { color: var(--muted); font-size: 0.98rem; line-height: 1.55; max-width: 70ch; }

.page-heading { margin: 4px 0 18px; max-width: 80ch; }
.page-heading p { color: var(--muted); font-size: 0.95rem; line-height: 1.55; }

/* ---- hero (Brief) ---------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.hero-statement h2 { max-width: 22ch; }
.hero-statement .lede { margin-top: 10px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.hero-chip {
  display: inline-flex; flex-direction: column; gap: 2px;
  padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2);
}
.hero-chip .k { font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.hero-chip .v { font-family: var(--mono); font-size: 1.1rem; font-weight: 600; color: var(--fg); }
.hero-chip .v small { color: var(--muted); font-size: 0.7rem; font-weight: 500; }

.command-panel { background: var(--surface-2); }
.command-panel code {
  display: block; margin: 10px 0; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--primary);
  font-family: var(--mono); font-size: 0.82rem; overflow-x: auto;
}
.command-panel p { margin: 0; color: var(--muted); font-size: 0.85rem; }

/* ---- KPI stat cards -------------------------------------------------------- */
.metric-rack {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px; margin-bottom: 16px;
}
.metric {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
  display: flex; flex-direction: column; gap: 6px; min-height: 124px;
}
.metric .m-label { color: var(--muted); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.metric .m-value {
  font-family: var(--mono); font-weight: 600; color: var(--fg);
  font-size: clamp(1.7rem, 2.6vw, 2.4rem); line-height: 1; letter-spacing: -0.02em;
}
.metric .m-value small { font-size: 0.42em; color: var(--muted); font-weight: 500; margin-left: 4px; letter-spacing: 0; }
.metric .m-foot { display: flex; align-items: center; gap: 8px; margin-top: auto; }
.metric .m-note { color: var(--muted); font-size: 0.78rem; line-height: 1.35; }
.metric .m-spark { margin-top: 4px; }

.delta-chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 1px 6px; border-radius: var(--radius-full);
  font-family: var(--mono); font-size: 0.72rem; font-weight: 600;
}
.delta-chip[data-dir="up"] { color: var(--pos); background: color-mix(in srgb, var(--pos) 16%, transparent); }
.delta-chip[data-dir="down"] { color: var(--neg); background: color-mix(in srgb, var(--neg) 16%, transparent); }
.delta-chip[data-dir="flat"] { color: var(--muted); background: var(--surface-3); }

/* ---- chart cards ----------------------------------------------------------- */
.chart-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 16px; }
.chart-card .ch-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.chart-card .ch-sub { color: var(--muted); font-size: 0.85rem; margin: 0 0 10px; line-height: 1.45; max-width: 80ch; }
.chart-mount { width: 100%; }
.chart-foot {
  margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--border);
  color: var(--faint); font-size: 0.7rem; line-height: 1.4;
}
.chart-foot a { color: var(--faint); }
.chart-foot a:hover { color: var(--primary); }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid-2-wide { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 12px; }

/* ---- generic card lists ---------------------------------------------------- */
.card-grid { display: grid; gap: 10px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.mini-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface-2); padding: 14px;
}
.mini-card h4 { color: var(--fg); }
.mini-card p { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }

/* ---- signals / change log -------------------------------------------------- */
.signal-card {
  display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 14px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface-2); padding: 14px;
}
.signal-date { font-family: var(--mono); color: var(--primary); font-size: 0.8rem; font-weight: 600; }
.signal-card p { margin: 6px 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }

.change-row { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.change-row:last-child { border-bottom: none; }
.change-row .tag { flex: none; }
.change-empty { color: var(--muted); font-size: 0.86rem; padding: 4px 0; }

/* ---- badges / tags --------------------------------------------------------- */
.quality-badge, .status-badge, .severity-badge, .source-type, .tag {
  display: inline-flex; align-items: center; gap: 4px;
  min-height: 20px; padding: 1px 8px; border-radius: var(--radius-full);
  font-size: 0.7rem; font-weight: 600; white-space: nowrap;
  background: var(--surface-3); color: var(--muted);
  border: 1px solid var(--border);
}
.tag { font-family: var(--mono); font-size: 0.66rem; }

.status-badge { padding-left: 7px; }
.status-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--dot, var(--muted)); }
.status-badge[data-status="operational"] { --dot: var(--status-op); color: var(--status-op); border-color: color-mix(in srgb, var(--status-op) 40%, transparent); }
.status-badge[data-status="under_construction"] { --dot: var(--status-uc); color: var(--status-uc); border-color: color-mix(in srgb, var(--status-uc) 40%, transparent); }
.status-badge[data-status="announced"] { --dot: var(--status-an); color: var(--status-an); border-color: color-mix(in srgb, var(--status-an) 40%, transparent); }
.status-badge[data-status="mou_speculative"] { --dot: var(--status-mou); color: var(--status-mou); border-color: color-mix(in srgb, var(--status-mou) 40%, transparent); }

.severity-badge[data-severity="high"] { color: var(--status-mou); border-color: color-mix(in srgb, var(--status-mou) 40%, transparent); }
.severity-badge[data-severity="medium"] { color: var(--status-an); border-color: color-mix(in srgb, var(--status-an) 40%, transparent); }

/* ---- toolbar / filters ----------------------------------------------------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 14px; }
.search-box { display: grid; gap: 5px; min-width: min(320px, 100%); flex: 1 1 280px; }
.search-box span { color: var(--muted); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.search-box input {
  width: 100%; min-height: 38px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--fg); outline: none;
}
.search-box input::placeholder { color: var(--faint); }
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent); }

.filter-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.filter-chip {
  min-height: 34px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--muted);
  font-weight: 600; font-size: 0.82rem; cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.filter-chip:hover { background: var(--surface-3); color: var(--fg); }
.filter-chip.is-active { background: var(--primary); color: var(--primary-foreground); border-color: var(--primary); }
.filter-chip .ct { font-family: var(--mono); opacity: 0.8; margin-left: 4px; }

.seg-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.seg-toggle button {
  padding: 0 14px; min-height: 34px; background: var(--surface-2); color: var(--muted);
  border: none; border-left: 1px solid var(--border); cursor: pointer; font-weight: 600; font-size: 0.82rem;
}
.seg-toggle button:first-child { border-left: none; }
.seg-toggle button.is-active { background: var(--primary); color: var(--primary-foreground); }

/* ---- pipeline table -------------------------------------------------------- */
.pipeline-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); gap: 14px; align-items: start; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; min-width: 880px; border-collapse: collapse; }
.exec-table-wrap { margin: 10px 0 16px; }
.exec-table-wrap table { min-width: 1320px; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th {
  position: sticky; top: 0; z-index: 1;
  background: var(--surface-2); color: var(--muted);
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; user-select: none; white-space: nowrap;
}
th .sort-ind { color: var(--primary); margin-left: 4px; font-family: var(--mono); }
th.num, td.num { text-align: right; font-family: var(--mono); }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--surface-2); }
tbody tr.is-selected { background: var(--surface-3); box-shadow: inset 2px 0 0 var(--primary); }
td strong { display: block; font-weight: 600; margin-bottom: 2px; }
.td-note { color: var(--muted); font-size: 0.76rem; line-height: 1.35; }

.detail-panel { position: sticky; top: 62px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 16px; }
.detail-panel h3 { margin-bottom: 8px; }
.detail-kv { display: grid; gap: 8px; margin: 14px 0; }
.detail-kv > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.detail-kv dt { color: var(--muted); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.detail-kv dd { margin: 0; font-size: 0.86rem; line-height: 1.4; }
.detail-kv dd .num { font-size: 0.9rem; }

.tag-row { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.source-links { display: grid; gap: 6px; margin-top: 12px; }
.source-links a { font-size: 0.8rem; font-weight: 500; width: fit-content; }

/* ---- choropleth ------------------------------------------------------------ */
.map-wrap { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 12px; }
#choropleth { width: 100%; min-height: 420px; display: grid; place-items: center; }
#choropleth svg { width: 100%; height: auto; }
#choropleth path { stroke: var(--bg); stroke-width: 0.5; transition: opacity 140ms ease; cursor: default; }
#choropleth path:hover { opacity: 0.82; }
.map-legend { display: flex; align-items: center; gap: 8px; margin-top: 8px; color: var(--muted); font-size: 0.72rem; }
.map-legend .scale { height: 8px; width: 120px; border-radius: var(--radius-full); }

.is-hidden { display: none !important; }

/* ---- firmness ladder ------------------------------------------------------- */
.openaccess-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 4px; }
.oa-stat { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); padding: 12px; }
.oa-stat .v { font-family: var(--mono); font-size: 1.4rem; font-weight: 600; }
.oa-stat .k { color: var(--muted); font-size: 0.72rem; margin-top: 2px; }

/* ---- standards / policy ---------------------------------------------------- */
.standard-watch { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.policy-meta, .source-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }

/* ---- policy watch (ground-source) ----------------------------------------- */
#policy-coverage { margin-bottom: 12px; }
.coverage-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.coverage-num { font-family: var(--mono); font-size: 1.5rem; font-weight: 600; color: var(--fg); margin-right: 8px; }
.coverage-lbl { color: var(--muted); font-size: 0.85rem; }
.coverage-bar { flex: 1 1 160px; height: 8px; min-width: 120px; border-radius: var(--radius-full); background: var(--surface-3); overflow: hidden; }
.coverage-fill { height: 100%; border-radius: inherit; background: var(--status-op); }
#policy-filters { margin-bottom: 14px; }

.track-group { margin-bottom: 22px; }
.track-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.track-head h3 { font-size: 0.95rem; color: var(--fg); }
.policy-rich-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.uptime-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }

.policy-card-rich { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); padding: 16px; }
.policy-card-rich h4 { color: var(--fg); margin-bottom: 6px; }
.policy-card-rich p { margin: 0 0 8px; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
.instrument-line { font-family: var(--mono); font-size: 0.76rem; color: var(--primary); margin-bottom: 4px; line-height: 1.4; }
.authority-line { font-size: 0.78rem; font-weight: 600; color: var(--fg); margin-bottom: 8px; }
.dc-relevance { color: var(--fg) !important; border-left: 2px solid var(--primary); padding-left: 10px; }
.cadence { margin-top: 8px; }

.prov-badge { display: inline-flex; align-items: center; gap: 4px; min-height: 20px; padding: 1px 8px; border-radius: var(--radius-full); font-size: 0.68rem; font-weight: 700; border: 1px solid var(--border); }
.prov-badge[data-prov="primary"] { color: var(--status-op); border-color: color-mix(in srgb, var(--status-op) 45%, transparent); background: color-mix(in srgb, var(--status-op) 12%, transparent); }
.prov-badge[data-prov="media"] { color: var(--status-an); border-color: color-mix(in srgb, var(--status-an) 45%, transparent); background: color-mix(in srgb, var(--status-an) 12%, transparent); }

.sor-row { display: flex; flex-direction: column; gap: 3px; margin-top: 12px; padding: 8px 10px; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--status-op) 8%, transparent); border: 1px solid color-mix(in srgb, var(--status-op) 22%, transparent); }
.sor-label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--status-op); }
.source-of-record { font-size: 0.82rem; font-weight: 600; overflow-wrap: anywhere; }
.secondary-links { margin-top: 8px; }
.secondary-links a { font-size: 0.78rem; }
.delivery-list { display: grid; gap: 5px; margin: 10px 0; }
.delivery-list span { color: var(--muted); font-size: 0.78rem; line-height: 1.35; padding-left: 10px; border-left: 2px solid var(--border); }

@media (max-width: 1100px) { .policy-rich-grid, .uptime-grid { grid-template-columns: 1fr; } }

/* ---- baseline -------------------------------------------------------------- */
.baseline-value { font-family: var(--mono); color: var(--fg); font-size: 1.3rem; font-weight: 600; display: inline-block; margin-bottom: 6px; }

/* ---- sources --------------------------------------------------------------- */
.source-card a { display: inline-block; margin-top: 8px; font-size: 0.78rem; overflow-wrap: anywhere; }

footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  padding: 20px 0 36px; margin-top: 8px; border-top: 1px solid var(--border);
  color: var(--faint); font-size: 0.78rem;
}

.error-state { padding: 60px 20px; text-align: center; }

/* ---- responsive ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .metric-rack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero, .grid-2, .grid-2-wide, .pipeline-layout, .card-grid.cols-2, .card-grid.cols-3 { grid-template-columns: 1fr; }
  .openaccess-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-panel { position: static; }
}
@media (max-width: 640px) {
  .app-shell, main, footer { width: min(100% - 24px, var(--maxw)); }
  .topline { grid-template-columns: 1fr; align-items: start; }
  .metric-rack { grid-template-columns: 1fr; }
  .signal-card { grid-template-columns: 1fr; }
}

/* ---- methodology (How to read this) ---------------------------------------- */
.methodology { margin-bottom: 16px; padding: 0; overflow: hidden; }
.methodology summary {
  cursor: pointer; list-style: none;
  padding: 12px 18px;
  font-weight: 600; font-size: 0.88rem; color: var(--muted);
  transition: color 140ms ease, background 140ms ease;
}
.methodology summary::before { content: "▸ "; color: var(--primary); font-family: var(--mono); }
.methodology[open] summary::before { content: "▾ "; }
.methodology summary:hover { color: var(--fg); background: var(--surface-2); }
.methodology summary::-webkit-details-marker { display: none; }
.method-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px;
  padding: 4px 18px 18px; border-top: 1px solid var(--border);
}
.method-grid h4 { margin-top: 12px; }
.method-grid p { margin: 0; color: var(--muted); font-size: 0.84rem; line-height: 1.5; }

/* ---- watchlist / tripwires -------------------------------------------------- */
.watch-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface-2); padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.watch-card .trigger-line {
  font-family: var(--mono); font-size: 0.8rem; line-height: 1.45; color: var(--fg);
  border-left: 2px solid var(--status-an); padding-left: 10px;
}
.watch-card p { margin: 0; color: var(--muted); font-size: 0.84rem; line-height: 1.5; }
.watch-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin-top: auto; padding-top: 4px; }
.watch-meta .k { color: var(--faint); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.watch-meta a { font-size: 0.8rem; font-weight: 600; }
.watch-due { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }
.watch-due[data-due="overdue"] { color: var(--status-an); font-weight: 700; }
.watch-card[data-status="tripped"] { border-color: color-mix(in srgb, var(--status-mou) 45%, transparent); }
.watch-card[data-status="tripped"] .trigger-line { border-left-color: var(--status-mou); }

/* ---- persona takeaways ------------------------------------------------------ */
.persona-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); padding: 14px; }
.persona-card h4 { color: var(--fg); }
.persona-card p { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.55; }

/* ---- reconciliation bridge --------------------------------------------------- */
.bridge-table { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 10px; display: grid; gap: 6px; }
.bridge-row {
  display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(72px, 1fr)); gap: 10px;
  align-items: baseline; padding: 6px 0; border-bottom: 1px dashed var(--border);
  font-size: 0.84rem;
}
.bridge-row:last-child { border-bottom: none; }
.bridge-row .num { text-align: right; }
.bridge-row.head { color: var(--muted); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; border-bottom: 1px solid var(--border); }
.bridge-note { color: var(--faint); font-size: 0.76rem; margin-top: 8px; }

/* ---- state drilldown --------------------------------------------------------- */
.drill-panel { margin-top: 12px; }
.drill-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.drill-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.drill-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.drill-cols h4 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.drill-item { padding: 7px 0; border-bottom: 1px dashed var(--border); font-size: 0.84rem; }
.drill-item:last-child { border-bottom: none; }
.drill-item .td-note { margin-top: 1px; }
.drill-empty { color: var(--faint); font-size: 0.8rem; font-style: italic; }

/* ---- staleness -------------------------------------------------------------- */
.stale-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-left: 6px; vertical-align: 1px; }
.stale-dot[data-age="amber"] { background: var(--status-an); }
.stale-dot[data-age="red"] { background: var(--status-mou); }

/* ---- estimated dates --------------------------------------------------------- */
.est-chip { color: var(--status-an); font-family: var(--mono); font-size: 0.7rem; font-weight: 600; }

/* ---- responsive additions ---------------------------------------------------- */
@media (max-width: 1100px) {
  .method-grid, .drill-cols { grid-template-columns: 1fr; }
  .bridge-row { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(58px, 1fr)); }
}

/* ---- print (the Brief as a one-page handout) --------------------------------- */
@media print {
  body { background: #fff; font-size: 12px; }
  .view-nav, .topline-tools, .skip-link, .toolbar, .seg-toggle, #theme-toggle { display: none !important; }
  .app-shell, main, footer { width: 100%; }
  .view { display: none !important; }
  .view.is-active { display: block !important; animation: none !important; }
  .panel, .chart-card, .metric, .mini-card, .signal-card, .watch-card, .persona-card {
    border-color: #ddd; box-shadow: none; break-inside: avoid;
  }
  .methodology { display: none; }
  a { color: inherit; text-decoration: none; }
  .chart-foot a::after { content: ""; }
  footer { border-top: 1px solid #ddd; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
