/* Signal Lab — hoja de estilo
   Tratamiento: extracto de cuenta / ficha de fondo. Papel frío, tinta, filetes, un acento petróleo.
   Tipografía: IBM Plex Sans Condensed (titulares), IBM Plex Sans (texto), IBM Plex Mono (cifras). */

:root {
  color-scheme: light;
  --paper: #f4f5f7;
  --surface: #ffffff;
  --ink: #1a1d23;
  --ink-2: #3c4250;
  --muted: #6c7482;
  --rule: #d8dce3;
  --rule-strong: #b9bfca;
  --accent: #2b5f73;
  --accent-soft: rgba(43, 95, 115, 0.1);
  --buy: #24734f;
  --buy-tint: #e4f1ea;
  --sell: #a93a34;
  --sell-tint: #f6e5e3;
  --wait: #8a6a1f;
  --wait-tint: #f4edda;
  --chart-grid: #e3e6eb;
  --chart-market: #9aa2b0;

  --font-display: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* La versión papel es la principal para todos. La variante oscura solo se activa a propósito
   con <html data-theme="dark">; no sigue el modo oscuro del sistema. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #15171b;
  --surface: #1c1f25;
  --ink: #e9ebef;
  --ink-2: #c4c9d2;
  --muted: #8d95a3;
  --rule: #2c313a;
  --rule-strong: #3f4652;
  --accent: #7fb3c4;
  --accent-soft: rgba(127, 179, 196, 0.14);
  --buy: #62bf90;
  --buy-tint: rgba(98, 191, 144, 0.14);
  --sell: #e07d76;
  --sell-tint: rgba(224, 125, 118, 0.14);
  --wait: #d3aa4d;
  --wait-tint: rgba(211, 170, 77, 0.14);
  --chart-grid: #2a2f38;
  --chart-market: #6f7887;
}

/* ── Base ────────────────────────────────────────────────────────────────── */

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
}

h2 {
  font-size: 1.45rem;
}

p {
  margin: 0;
  overflow-wrap: anywhere;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Etiquetas en versalitas: la forma pequeña que recorre toda la página. */
.eyebrow,
.signal-label,
.metric > span,
.comparison-strip span,
th,
.mode-pill,
.table-count,
.legend {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 0.3rem;
}

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

.positive {
  color: var(--buy);
}

.negative {
  color: var(--sell);
}

/* ── Cabecera ────────────────────────────────────────────────────────────── */

.masthead {
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}

.masthead-inner,
.page,
.colophon {
  width: min(960px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.masthead-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0 1rem;
}

.brand {
  display: grid;
  gap: 0.15rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.82rem;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  color: var(--ink-2);
  white-space: nowrap;
}

.mode-pill span {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--accent);
  border-radius: 50%;
}

.mode-pill[data-phase="trading"] span {
  background: var(--buy);
}

.refresh-control {
  display: grid;
  justify-items: end;
  gap: 0.2rem;
}

.refresh-control small {
  color: var(--muted);
  font-size: 0.68rem;
}

.refresh-button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-size: 0.82rem;
  cursor: pointer;
}

.refresh-button:hover {
  border-color: var(--ink);
}

.refresh-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.refresh-button svg {
  width: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.refresh-button[aria-busy="true"] svg {
  animation: spin 900ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Página ──────────────────────────────────────────────────────────────── */

.page {
  padding: 1.5rem 0 3rem;
}

.notice {
  padding: 0.6rem 0 0.6rem 0.9rem;
  border-left: 3px solid var(--wait);
  color: var(--ink-2);
  font-size: 0.86rem;
}

.notice strong {
  color: var(--ink);
}

.page-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 1rem;
}

.data-state {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.data-state::before {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--buy);
  border-radius: 50%;
  content: "";
}

.data-state[data-kind="loading"]::before {
  background: var(--muted);
}

.data-state[data-kind="error"]::before {
  background: var(--sell);
}

.data-state[data-kind="demo"]::before {
  background: var(--wait);
}

/* ── Banda de cifras ─────────────────────────────────────────────────────── */

.summary-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.metric {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: 1rem 1.1rem 1.1rem 0;
  min-width: 0;
}

.metric + .metric {
  padding-left: 1.1rem;
  border-left: 1px solid var(--rule);
}

.metric strong {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.metric small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

/* ── Última señal ────────────────────────────────────────────────────────── */

.primary-signal {
  display: grid;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
  padding: 1.1rem 0 1.25rem 1.25rem;
  border-left: 3px solid var(--wait);
}

.primary-signal[data-signal="BUY"] {
  border-left-color: var(--buy);
}

.primary-signal[data-signal="SELL"] {
  border-left-color: var(--sell);
}

.signal-topline,
.confidence-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.signal-time,
.signal-source,
.confidence-row span {
  color: var(--muted);
  font-size: 0.8rem;
}

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

.signal-main {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
}

.signal-icon {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--wait);
}

.primary-signal[data-signal="BUY"] .signal-icon,
.primary-signal[data-signal="BUY"] .signal-action {
  color: var(--buy);
}

.primary-signal[data-signal="SELL"] .signal-icon,
.primary-signal[data-signal="SELL"] .signal-action {
  color: var(--sell);
}

.signal-action {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wait);
}

.signal-main h2 {
  flex-basis: 100%;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.signal-summary {
  max-width: 62ch;
  color: var(--ink-2);
}

.confidence-row {
  margin-top: 0.4rem;
}

.confidence-row strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.confidence-track {
  height: 3px;
  max-width: 24rem;
  background: var(--rule);
}

.confidence-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--ink);
  transition: width 400ms ease;
}

.primary-signal[data-empty="true"] .signal-icon,
.primary-signal[data-empty="true"] .signal-action,
.primary-signal[data-empty="true"] .confidence-row,
.primary-signal[data-empty="true"] .confidence-track,
.primary-signal[data-empty="true"] .signal-source {
  display: none;
}

.primary-signal[data-empty="true"] .signal-main h2 {
  color: var(--muted);
}

/* ── Secciones ───────────────────────────────────────────────────────────── */

.section {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading > div {
  min-width: 0;
}

.table-count {
  white-space: nowrap;
}

.columns {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(16rem, 0.8fr);
  gap: 0 3rem;
}

.side-column {
  display: grid;
  align-content: start;
}

.side-note {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.8rem;
}

.side-note strong {
  color: var(--ink-2);
}

/* ── Gráfica ─────────────────────────────────────────────────────────────── */

.chart-controls {
  display: grid;
  justify-items: end;
  gap: 0.5rem;
}

.range-switch {
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
}

.range-switch button {
  padding: 0.3rem 0.65rem;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule-strong);
  color: var(--ink-2);
  font-size: 0.78rem;
  cursor: pointer;
}

.range-switch button:last-child {
  border-right: 0;
}

.range-switch button[aria-pressed="true"] {
  color: var(--paper);
  background: var(--ink);
}

.legend {
  display: flex;
  gap: 1rem;
  letter-spacing: 0.06em;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legend i {
  display: inline-block;
  width: 1.1rem;
  height: 0;
  border-top: 2px solid var(--accent);
}

.legend .legend-market {
  border-top: 2px dashed var(--chart-market);
}

.comparison-strip {
  display: flex;
  gap: 2.5rem;
  padding: 0.25rem 0 1rem;
}

.comparison-strip > div {
  display: grid;
  gap: 0.2rem;
}

.comparison-strip strong {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.chart-wrap {
  overflow-x: auto;
}

.performance-chart {
  display: block;
  width: 100%;
  height: auto;
  min-width: 480px;
}

.chart-grid {
  stroke: var(--chart-grid);
  stroke-width: 1;
}

.chart-label,
.chart-date-label {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--muted);
}

.chart-area-bot {
  fill: var(--accent);
  fill-opacity: 0.06;
}

.chart-line-bot {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
}

.chart-line-market {
  fill: none;
  stroke: var(--chart-market);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
}

.chart-point {
  fill: var(--accent);
}

.chart-point-market {
  fill: var(--chart-market);
}

.chart-note {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

#chart-body[data-points="single"] .comparison-strip,
#chart-body[data-points="single"] .chart-wrap {
  display: none;
}

#chart-body[data-points="single"] .chart-note {
  margin-top: 0;
  padding: 0.25rem 0 0.5rem;
  color: var(--ink-2);
  font-size: 0.9rem;
}

.chart-empty {
  padding: 1.25rem 0 0.5rem;
}

.chart-empty strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.chart-empty p {
  max-width: 62ch;
  margin-top: 0.35rem;
  color: var(--ink-2);
  font-size: 0.9rem;
}

/* ── Diario de noticias ──────────────────────────────────────────────────── */

.signal-list {
  display: grid;
}

.signal-item {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr) auto;
  gap: 0.25rem 0.5rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--rule);
}

.signal-item:first-child {
  border-top: 0;
}

.signal-item-badge {
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--wait);
}

.signal-item[data-signal="BUY"] .signal-item-badge {
  color: var(--buy);
}

.signal-item[data-signal="SELL"] .signal-item-badge {
  color: var(--sell);
}

.signal-item h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0;
  text-wrap: pretty;
}

.signal-item h3 a {
  color: inherit;
  text-decoration: none;
}

.signal-item h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.signal-item-source {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.signal-item-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 0.2rem;
}

.signal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.55rem;
}

.signal-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--wait);
  white-space: nowrap;
}

.signal-chip strong {
  color: var(--ink);
  font-weight: 500;
}

.signal-chip[data-signal="BUY"] {
  color: var(--buy);
  background: var(--buy-tint);
  border-color: transparent;
}

.signal-chip[data-signal="SELL"] {
  color: var(--sell);
  background: var(--sell-tint);
  border-color: transparent;
}

/* Señal accionable que el motor mantiene en espera (mercado cerrado, etc.): rojo perfilado,
   no relleno, para no confundirla con una señal de venta. */
.signal-chip-note {
  color: var(--sell);
  border-color: var(--sell);
  background: transparent;
}

.signal-chip-note[hidden] {
  display: none;
}

.signal-chip[data-status="OPEN"]::after {
  content: "· abierta";
  color: var(--accent);
}

.signal-chip[data-status="CLOSED"]::after {
  content: "· cerrada";
  color: var(--muted);
}

.signal-details {
  margin-top: 0.5rem;
}

.signal-details summary {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  cursor: pointer;
  list-style: none;
}

.signal-details summary::-webkit-details-marker {
  display: none;
}

.signal-details summary::before {
  content: "▸ ";
}

.signal-details[open] summary::before {
  content: "▾ ";
}

.signal-details p {
  max-width: 68ch;
  margin-top: 0.5rem;
  color: var(--ink-2);
  font-size: 0.85rem;
  line-height: 1.5;
}

.signal-details p strong {
  color: var(--ink);
  font-weight: 500;
}

.signal-event {
  padding-left: 0.75rem;
  border-left: 2px solid var(--rule-strong);
  font-style: italic;
}

.signal-engine {
  color: var(--accent);
}

.inline-empty,
.empty-state {
  padding: 1rem 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ── Activos con señal ───────────────────────────────────────────────────── */

.consensus-list {
  display: grid;
}

.consensus-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.15rem 0.75rem;
  align-items: baseline;
  padding: 0.6rem 0 0.6rem 0.75rem;
  border-top: 1px solid var(--rule);
  border-left: 3px solid var(--wait);
}

.consensus-item:first-child {
  border-top: 0;
}

.consensus-item[data-signal="BUY"] {
  border-left-color: var(--buy);
}

.consensus-item[data-signal="SELL"] {
  border-left-color: var(--sell);
}

.consensus-name strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
}

.consensus-name small {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.consensus-counts {
  display: flex;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
}

.consensus-counts span[data-signal="BUY"] {
  color: var(--buy);
}

.consensus-counts span[data-signal="SELL"] {
  color: var(--sell);
}

.consensus-detail {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.74rem;
}

/* ── Guía ────────────────────────────────────────────────────────────────── */

.explainer dl {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.explainer dt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.explainer dd {
  margin: 0.15rem 0 0 1.1rem;
  color: var(--ink-2);
  font-size: 0.85rem;
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
}

.dot.buy {
  background: var(--buy);
}

.dot.sell {
  background: var(--sell);
}

.dot.wait {
  background: var(--wait);
}

/* ── Registro de operaciones ─────────────────────────────────────────────── */

.engine-state {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.engine-state[data-kind="error"] {
  color: var(--sell);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

th,
td {
  padding: 0.65rem 0.75rem 0.65rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}

th {
  border-bottom-color: var(--rule-strong);
}

td {
  font-size: 0.9rem;
}

th.num,
td:nth-child(4),
td:nth-child(5),
td:nth-child(6) {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

td:last-child {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

td strong {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
}

td small {
  color: var(--muted);
  font-size: 0.76rem;
}

.status-chip,
.side-chip {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  white-space: nowrap;
}

.status-chip.open {
  color: var(--accent);
  border-color: var(--accent);
}

.status-chip.closed {
  color: var(--ink-2);
}

.status-chip.cancelled {
  color: var(--muted);
}

.side-chip.long {
  color: var(--buy);
  border-color: var(--buy);
}

.side-chip.short {
  color: var(--sell);
  border-color: var(--sell);
}

.trade-reason {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.72rem;
}

/* ── Método y pie ────────────────────────────────────────────────────────── */

.method p {
  max-width: 68ch;
  color: var(--ink-2);
  font-size: 0.92rem;
}

.colophon {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.76rem;
}

.colophon a {
  color: inherit;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 860px) {
  .columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .masthead-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .masthead-actions {
    width: 100%;
    justify-content: space-between;
  }

  .refresh-control small {
    display: none;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .summary-band {
    grid-template-columns: 1fr 1fr;
  }

  .metric + .metric {
    padding-left: 0;
    border-left: 0;
  }

  .metric:nth-child(even) {
    padding-left: 1rem;
    border-left: 1px solid var(--rule);
  }

  .metric:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }

  .metric strong {
    font-size: 1.7rem;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .chart-controls {
    justify-items: start;
  }

  .comparison-strip {
    gap: 1.5rem;
  }

  .signal-item {
    grid-template-columns: 1.2rem minmax(0, 1fr);
  }

  .signal-item-meta {
    display: none;
  }

  .colophon {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
