:root {
  color-scheme: light;
  --paper:      #EDF0E9;
  --surface:    #F7F9F4;
  --surface-2:  #F1F4EC;
  --band:       rgba(31,125,79,0.045);
  --ink:        #141A15;
  --ink-2:      #4A554B;
  --muted:      #6E796F;
  --rule:       #D5DDD1;
  --rule-soft:  #E2E8DE;
  --good:       #1F7D4F;
  --broken:     #A32E28;
  --warn:       #8A6212;
  --s1:         #0F6491;
  --s2:         #C87A05;
  --ramp-0: #E7F0F6; --ramp-1: #CBE0EC; --ramp-2: #A9CCDF; --ramp-3: #83B6CF;
  --ramp-4: #5C9CBC; --ramp-5: #3880A5; --ramp-6: #17638A;
  --ramp-ink-lo: #14262F; --ramp-ink-hi: #F2F7FA;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper:      #0E120F;
    --surface:    #161B17;
    --surface-2:  #1B211C;
    --band:       rgba(79,168,124,0.055);
    --ink:        #E8EDE6;
    --ink-2:      #A7B2A6;
    --muted:      #7E8A7F;
    --rule:       #2A332B;
    --rule-soft:  #222A23;
    --good:       #4FA87C;
    --broken:     #E0736B;
    --warn:       #C9A24A;
    --s1:         #3C93C2;
    --s2:         #BD8320;
    --ramp-0: #14262F; --ramp-1: #1B3A4A; --ramp-2: #235066; --ramp-3: #2B6683;
    --ramp-4: #3480A2; --ramp-5: #4C9CBF; --ramp-6: #6FB6D4;
    --ramp-ink-lo: #9FBCCB; --ramp-ink-hi: #08161D;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper:      #0E120F;
  --surface:    #161B17;
  --surface-2:  #1B211C;
  --band:       rgba(79,168,124,0.055);
  --ink:        #E8EDE6;
  --ink-2:      #A7B2A6;
  --muted:      #7E8A7F;
  --rule:       #2A332B;
  --rule-soft:  #222A23;
  --good:       #4FA87C;
  --broken:     #E0736B;
  --warn:       #C9A24A;
  --s1:         #3C93C2;
  --s2:         #BD8320;
  --ramp-0: #14262F; --ramp-1: #1B3A4A; --ramp-2: #235066; --ramp-3: #2B6683;
  --ramp-4: #3480A2; --ramp-5: #4C9CBF; --ramp-6: #6FB6D4;
  --ramp-ink-lo: #9FBCCB; --ramp-ink-hi: #08161D;
}

* { box-sizing: border-box; }

body, .page {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

.page { padding: 0 20px 96px; }

.col { max-width: 68ch; margin: 0 auto; }
.wide { max-width: 1080px; margin: 0 auto; }

h1, h2, h3 { text-wrap: balance; margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.08; }
h2 { font-size: clamp(1.45rem, 3vw, 1.95rem); line-height: 1.18; }
h3 { font-size: 1.12rem; line-height: 1.3; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--s1); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.7em;
  display: block;
}

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

/* ---------- masthead ---------- */
.masthead {
  border-bottom: 2px solid var(--ink);
  padding: 56px 0 26px;
  margin-bottom: 0;
}
.masthead .lede {
  font-size: 1.16rem;
  color: var(--ink-2);
  margin-top: 0.9em;
  max-width: 60ch;
}
.dateline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 12px 0 0;
}

/* ---------- headline state strip ---------- */
.state-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 0 0 64px;
}
.state-cell {
  padding: 22px 20px 20px;
  border-right: 1px solid var(--rule-soft);
}
.state-cell:last-child { border-right: 0; }
.state-cell .k {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.state-cell .v {
  display: block;
  font-family: var(--mono);
  font-size: 1.72rem;
  font-variant-numeric: tabular-nums lining-nums;
  line-height: 1;
  letter-spacing: -0.02em;
}
.state-cell .v .u { font-size: 0.98rem; letter-spacing: 0; margin-left: 1px; }
.state-cell .sub {
  display: block;
  font-size: 0.8rem;
  color: var(--ink-2);
  margin-top: 9px;
  line-height: 1.4;
  max-width: 24ch;
}
.v.is-broken { color: var(--broken); }
.v.is-good { color: var(--good); }

section { margin: 0 0 76px; }
.section-head { margin-bottom: 28px; }
.section-head p { color: var(--ink-2); margin-top: 0.7em; }

/* ---------- ledger (greenbar) ---------- */
.ledger {
  border: 1px solid var(--rule);
  background: var(--surface);
  overflow-x: auto;
}
table.grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 660px;
}
table.grid thead th {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
table.grid tbody tr:nth-child(even) { background: var(--band); }
table.grid td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}
table.grid tbody tr:last-child td { border-bottom: 0; }
table.grid td.r, table.grid thead th.r { text-align: right; }
.sid {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
  white-space: nowrap;
}
.stmt { max-width: 34ch; line-height: 1.45; }
.figure { font-family: var(--mono); font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.thr { color: var(--muted); }
.delta { font-size: 0.76rem; color: var(--muted); display: block; margin-top: 3px; }
tr.broken td { background: rgba(163,43,40,0.055); }
tr.broken td:first-child { box-shadow: inset 3px 0 0 var(--broken); }
:root[data-theme="dark"] tr.broken td,
:root:not([data-theme="light"]) tr.broken td { }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) tr.broken td { background: rgba(224,115,107,0.075); }
}
:root[data-theme="dark"] tr.broken td { background: rgba(224,115,107,0.075); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px 3px 7px;
  border: 1px solid currentColor;
  border-radius: 2px;
  white-space: nowrap;
}
.pill.ok { color: var(--good); }
.pill.no { color: var(--broken); }
.pill .dot { width: 7px; height: 7px; flex: none; }
.pill.ok .dot { background: currentColor; }
.pill.no .dot { background: currentColor; transform: rotate(45deg); }

/* ---------- figures / charts ---------- */
figure { margin: 0; }
.chart-card {
  border: 1px solid var(--rule);
  background: var(--surface);
  padding: 22px 22px 18px;
}
.chart-card + .chart-card { margin-top: 22px; }
.chart-title { font-size: 1.02rem; font-weight: 600; margin: 0 0 4px; }
.chart-sub { font-size: 0.84rem; color: var(--ink-2); margin: 0 0 18px; max-width: 62ch; line-height: 1.45; }
figcaption {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rule-soft);
  line-height: 1.5;
}
.chart-scroll { overflow-x: auto; }
svg.chart { display: block; width: 100%; height: auto; min-width: 480px; }
svg text { font-family: var(--mono); fill: var(--muted); font-size: 11px; }
svg text.val { font-size: 11.5px; }
svg .gridline { stroke: var(--rule-soft); stroke-width: 1; }
svg .axis { stroke: var(--rule); stroke-width: 1; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
  margin-bottom: 14px;
}
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.swatch { width: 13px; height: 3px; flex: none; }
.swatch.sq { height: 11px; width: 11px; }

.hit { cursor: crosshair; }
.hit:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

#tip {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  transition: opacity .1s;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--rule);
  box-shadow: 0 6px 22px rgba(0,0,0,.14);
  padding: 8px 11px;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.45;
  max-width: 260px;
}
#tip .tk { color: var(--muted); display: block; font-size: 0.68rem; letter-spacing: .06em; text-transform: uppercase; }
#tip.on { opacity: 1; }

/* ---------- heatmap ---------- */
.heat { border-collapse: separate; border-spacing: 2px; width: 100%; min-width: 520px; }
.heat th {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 500;
  padding: 6px 8px;
  white-space: nowrap;
}
.heat th.rowh { text-align: right; width: 1%; white-space: nowrap; padding-right: 14px; }
.heat td {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: 0.82rem;
  text-align: center;
  padding: 11px 4px;
  border-radius: 2px;
}
.s0 { background: var(--ramp-0); color: var(--ramp-ink-lo); }
.s1c { background: var(--ramp-1); color: var(--ramp-ink-lo); }
.s2c { background: var(--ramp-2); color: var(--ramp-ink-lo); }
.s3c { background: var(--ramp-3); color: var(--ramp-ink-lo); }
.s4c { background: var(--ramp-4); color: var(--ramp-ink-hi); }
.s5c { background: var(--ramp-5); color: var(--ramp-ink-hi); }
.s6c { background: var(--ramp-6); color: var(--ramp-ink-hi); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .s0, :root:not([data-theme="light"]) .s1c,
  :root:not([data-theme="light"]) .s2c, :root:not([data-theme="light"]) .s3c { color: var(--ramp-ink-lo); }
  :root:not([data-theme="light"]) .s4c, :root:not([data-theme="light"]) .s5c,
  :root:not([data-theme="light"]) .s6c { color: var(--ramp-ink-hi); }
}
.heat-scale {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 0.7rem; color: var(--muted);
  margin-top: 14px;
}
.heat-scale .steps { display: flex; }
.heat-scale .steps i { width: 22px; height: 10px; display: block; }

/* ---------- pipeline ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.flow .step { background: var(--surface); padding: 18px 18px 20px; }
.flow .step .n {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: block;
  margin-bottom: 9px;
}
.flow .step h3 { font-size: 0.98rem; margin-bottom: 6px; }
.flow .step p { font-size: 0.82rem; color: var(--ink-2); line-height: 1.45; margin: 0; }

/* ---------- backtest cards ---------- */
.cases { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.case {
  border: 1px solid var(--rule);
  background: var(--surface);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.case .tick {
  font-family: var(--mono);
  font-size: 1.28rem;
  letter-spacing: 0.02em;
  line-height: 1;
}
.case .kind {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}
.case .verdict { font-size: 0.92rem; line-height: 1.5; color: var(--ink-2); }
.case .verdict strong { color: var(--ink); font-weight: 600; }
.case .score {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding-top: 12px;
  border-top: 1px solid var(--rule-soft);
  margin-top: auto;
}

/* ---------- callout ---------- */
.callout {
  border-left: 3px solid var(--warn);
  background: var(--surface-2);
  padding: 18px 22px;
  font-size: 0.94rem;
  line-height: 1.55;
}
.callout .lbl {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warn);
  display: block;
  margin-bottom: 7px;
}

/* ---------- gaps list ---------- */
ul.gaps { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
ul.gaps li:last-child { border-bottom: 0; }
ul.gaps li {
  padding: 15px 0;
  border-bottom: 1px solid var(--rule-soft);
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  font-size: 0.92rem;
  line-height: 1.5;
}
ul.gaps .tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}
@media (max-width: 560px) {
  ul.gaps li { grid-template-columns: 1fr; gap: 5px; }
}

/* El pie cierra con una regla a todo el ancho, en simetría con la del
   encabezado. No hereda el ancho de .col porque la unidad ch se resuelve
   sobre su propia fuente mono, que es más estrecha y lo descuadraría. */
.foot {
  max-width: none;
  margin-top: 72px;
  border-top: 2px solid var(--ink);
  padding-top: 20px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.7;
}
.foot p { max-width: 74ch; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- selector de tema ---------- */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  background: transparent; border: 1px solid var(--rule);
  border-radius: 2px; padding: 5px 10px; cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-2); }
.sitebar nav { gap: 16px; }
.theme-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.theme-toggle .ic { width: 9px; height: 9px; background: currentColor; border-radius: 50%; }
@media print { .theme-toggle { display: none; } }

/* ============ navegación entre páginas del sitio ============ */
.sitebar {
  max-width: 1080px;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--rule);
  padding: 16px 20px 13px;
}
.sitebar .brand {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--ink-2); text-decoration: none;
}
.sitebar .brand:hover { color: var(--ink); }
.sitebar nav { display: flex; gap: 18px; align-items: center; }
.sitebar nav a {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--muted); text-decoration: none;
}
.sitebar nav a:hover, .sitebar nav a[aria-current="page"] { color: var(--ink); }

/* ============ tarjetas de empresa (índice) ============ */
.fichas { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.ficha {
  border: 1px solid var(--rule); background: var(--surface);
  padding: 22px; text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 13px;
}
.ficha:hover { border-color: var(--ink-2); }
.ficha .tk { font-family: var(--mono); font-size: 1.3rem; letter-spacing: 0.02em; line-height: 1; }
.ficha .nm { font-size: 0.88rem; color: var(--ink-2); margin-top: -6px; }
.ficha .barra { display: flex; gap: 3px; }
.ficha .barra i { height: 7px; flex: 1; background: var(--good); }
.ficha .barra i.no { background: var(--broken); }
.ficha .pie {
  font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--rule-soft);
}
.ficha.vacia {
  border-style: dashed; align-items: flex-start; justify-content: center;
  color: var(--muted); min-height: 168px;
}

/* ============ formulario de alta ============ */
.alta { border: 1px solid var(--rule); background: var(--surface); padding: 24px; }
.alta .fila { display: flex; gap: 10px; flex-wrap: wrap; }
.alta input[type="text"] {
  flex: 1 1 190px; min-width: 0;
  font-family: var(--mono); font-size: 1rem; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 2px; padding: 11px 13px;
}
.alta input[type="text"]:focus-visible { outline: 2px solid var(--s1); outline-offset: 1px; border-color: var(--s1); }
.alta button {
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.09em; text-transform: uppercase;
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
  border-radius: 2px; padding: 11px 20px; cursor: pointer;
}
.alta button:hover { opacity: 0.86; }
.alta button:disabled { opacity: 0.45; cursor: default; }
.alta button:focus-visible { outline: 2px solid var(--s1); outline-offset: 2px; }
.res { margin-top: 20px; font-size: 0.9rem; }
.res:empty { display: none; }
.res .cab { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-bottom: 4px; }
.res .cab .t { font-family: var(--mono); font-size: 1.1rem; }
.res .meta { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); line-height: 1.7; }
.res .err { color: var(--broken); }
.res .aviso { color: var(--warn); }
.cmd {
  position: relative; margin-top: 16px;
  border: 1px solid var(--rule); background: var(--paper);
}
.cmd pre {
  margin: 0; padding: 15px 16px; overflow-x: auto;
  font-family: var(--mono); font-size: 0.76rem; line-height: 1.85; color: var(--ink-2);
}
.cmd pre .c { color: var(--muted); }
.cmd .copiar {
  position: absolute; top: 9px; right: 9px;
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--surface); color: var(--ink-2);
  border: 1px solid var(--rule); border-radius: 2px; padding: 5px 10px; cursor: pointer;
}
.cmd .copiar:hover { color: var(--ink); border-color: var(--ink-2); }