/* ==========================================================================
   Chile Autónomo e Insaciable — styles.css
   Identidad corporativa: blanco, azul institucional y negro/grafito.
   Panel analítico profesional, responsive, accesible, con estilos de
   impresión y respeto por prefers-reduced-motion.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Superficies */
  --bg: #f2f5fa;                 /* fondo de página */
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-2: #f7f9fc;
  --border: #dde4ee;
  --border-strong: #b9c5d8;

  /* Texto */
  --text: #0d1526;               /* negro corporativo */
  --text-muted: #4b5a75;
  --text-dim: #74829b;

  /* Marca */
  --navy: #0a1730;               /* barra superior azul-negro */
  --navy-2: #122548;
  --accent: #1656d6;             /* azul corporativo */
  --accent-strong: #1146b0;
  --accent-soft: rgba(22, 86, 214, 0.08);
  --accent-ring: rgba(22, 86, 214, 0.28);

  /* Escenarios */
  --a: #1656d6;                  /* Candidato A — azul */
  --b: #101828;                  /* Candidato B — grafito/negro */
  --a-soft: rgba(22, 86, 214, 0.10);
  --b-soft: rgba(16, 24, 40, 0.08);

  /* Estados */
  --ok: #0f7b4f;
  --ok-soft: rgba(15, 123, 79, 0.10);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.10);
  --danger: #c02626;
  --danger-soft: rgba(192, 38, 38, 0.09);

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(13, 21, 38, 0.06);
  --shadow: 0 1px 3px rgba(13, 21, 38, 0.08), 0 10px 26px rgba(13, 21, 38, 0.06);
  --space: 1rem;
  --maxw: 1440px;

  --font: "Segoe UI", system-ui, -apple-system, "Roboto", "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "SF Mono", Consolas, "Roboto Mono", monospace;
}

/* ---------- Reset y base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

p { margin: 0 0 0.75rem; }
ul { margin: 0 0 0.75rem; padding-left: 1.2rem; }
li { margin-bottom: 0.35rem; }

code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 0.05em 0.3em;
  border-radius: 4px;
}

a { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- Cabecera institucional ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem clamp(1rem, 3vw, 2rem);
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  border-bottom: 3px solid var(--accent);
  box-shadow: 0 2px 10px rgba(10, 23, 48, 0.25);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-logo {
  border-radius: 9px;
  background: #fff;
  padding: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.brand-kicker {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8fb2f0;
  font-weight: 600;
}

.brand-name {
  margin: 0;
  font-size: clamp(1rem, 2.4vw, 1.32rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.brand-sub {
  margin: 0;
  font-size: 0.75rem;
  color: #a9b8d4;
}

/* Pestañas */
.tabs {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 0.25rem;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: #c6d3ea;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab:hover { color: #ffffff; background: rgba(255, 255, 255, 0.1); }

.tab[aria-selected="true"] {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(22, 86, 214, 0.5);
}

.header-actions { display: flex; gap: 0.5rem; }

/* ---------- Layout principal ---------- */
.app-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 1.75rem);
}

.view { display: block; }
.view[hidden] { display: none; }

.app-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 2rem) 2.5rem;
  color: var(--text-dim);
  font-size: 0.83rem;
  border-top: 1px solid var(--border);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.section-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

.eyebrow {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-meta { color: var(--text-muted); max-width: 80ch; margin: 0; font-size: 0.92rem; }

.panel-title {
  margin: 1.35rem 0 0.7rem;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

/* ---------- Paneles ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1rem, 2vw, 1.35rem);
  margin-bottom: 1.15rem;
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--border);
}

.panel-head h3 { margin: 0; font-size: 1.06rem; }
.panel-note { color: var(--text-muted); font-size: 0.84rem; margin: 0; }
.panel-body { margin-top: 0.5rem; }

.panel-diagnosis { border-top: 4px solid var(--accent); }

/* ---------- Tarjetas de resumen ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 100%;
  box-shadow: var(--shadow-sm);
}

.card-title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.card-figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.figure { display: flex; flex-direction: column; gap: 0.2rem; }

.figure-tag {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  width: 1.45rem;
  height: 1.45rem;
  display: grid;
  place-items: center;
  border-radius: 6px;
}

.figure-a .figure-tag { background: var(--a-soft); color: var(--a); border: 1px solid rgba(22, 86, 214, 0.35); }
.figure-b .figure-tag { background: var(--b-soft); color: var(--b); border: 1px solid rgba(16, 24, 40, 0.3); }

.figure-value {
  font-family: var(--mono);
  font-size: clamp(1.05rem, 1.9vw, 1.4rem);
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}

.figure-a .figure-value { color: var(--accent-strong); }
.figure-b .figure-value { color: var(--b); }

.card-highlight {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--accent-strong);
}

.card-foot {
  margin: 0;
  font-size: 0.77rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
}

/* ---------- Píldoras de estado ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  align-self: flex-start;
}

.pill-ok,
.pill-bajo { border-color: rgba(15, 123, 79, 0.4); color: var(--ok); background: var(--ok-soft); }
.pill-medio { border-color: rgba(180, 83, 9, 0.4); color: var(--warn); background: var(--warn-soft); }
.pill-alto { border-color: rgba(192, 38, 38, 0.4); color: var(--danger); background: var(--danger-soft); }

/* ---------- Botones ---------- */
.btn {
  appearance: none;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--panel-2);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.app-header .btn-primary {
  box-shadow: 0 2px 8px rgba(22, 86, 214, 0.45);
}

.btn-danger { border-color: rgba(192, 38, 38, 0.45); color: var(--danger); background: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--danger-soft); border-color: var(--danger); }

.btn-ghost { background: transparent; }

.btn-lg { padding: 0.75rem 1.6rem; font-size: 0.98rem; }

/* Menú exportar */
.menu { position: relative; }
.menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 190px;
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 30;
}
.menu-list[hidden] { display: none; }
.menu-item {
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 0.7rem;
  background: transparent;
  border: 0;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
}
.menu-item:hover { background: var(--accent-soft); color: var(--accent-strong); }

/* ---------- Formularios ---------- */
.candidates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.15rem;
}

.candidate-fieldset {
  margin: 0;
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
}

#fieldset-b { border-top-color: var(--b); }

.candidate-legend {
  font-weight: 700;
  font-size: 0.94rem;
  padding: 0.3rem 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-a { color: var(--accent-strong); }
.legend-b { color: var(--b); }

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-a { background: var(--a); }
.dot-b { background: var(--b); }

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(225px, 1fr));
  gap: 0.85rem;
}

.field { display: flex; flex-direction: column; gap: 0.28rem; min-width: 0; }

.field-label,
.field label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.field-hint { font-size: 0.71rem; color: var(--text-dim); margin: 0; }

input,
select {
  font: inherit;
  font-size: 0.94rem;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.52rem 0.7rem;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:hover, select:hover { border-color: var(--accent); }
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
  outline: none;
}

input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(192, 38, 38, 0.18);
  background: #fffafa;
}

.field-error {
  color: var(--danger);
  font-size: 0.77rem;
  font-weight: 600;
  margin: 0;
  min-height: 1em;
}
.field-error[hidden] { display: none; }

.alert {
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid;
  font-size: 0.92rem;
}
.alert[hidden] { display: none; }
.alert-error { border-color: rgba(192, 38, 38, 0.45); background: var(--danger-soft); color: #7f1d1d; }
.alert-warning { border-color: rgba(180, 83, 9, 0.4); background: var(--warn-soft); color: #78350f; }
.alert-title { font-weight: 700; margin: 0 0 0.4rem; }
.alert-list { margin: 0; padding-left: 1.1rem; font-size: 0.89rem; }

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.15rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.form-note { color: var(--text-dim); font-size: 0.81rem; margin: 0; }

.panel-form-meta { max-width: 620px; }

/* ---------- Tablas comparativas ---------- */
.compare-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.89rem;
}

.compare-table th,
.compare-table td,
.data-table th,
.data-table td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.compare-table tbody tr:nth-child(even),
.data-table tbody tr:nth-child(even) { background: var(--panel-2); }

.compare-table thead th,
.data-table thead th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: #eef2f8;
  border-bottom: 2px solid var(--border-strong);
  white-space: nowrap;
}

.compare-table tbody th { font-weight: 600; color: var(--text); }
.compare-table .col-a { color: var(--accent-strong); font-family: var(--mono); font-weight: 600; }
.compare-table .col-b { color: var(--b); font-family: var(--mono); font-weight: 600; }

.cell-note {
  display: block;
  font-size: 0.69rem;
  color: var(--text-dim);
  font-weight: 400;
}

.row-highlight { background: var(--accent-soft) !important; }
.row-highlight td { font-weight: 700; color: var(--accent-strong); }

.delta {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text-muted);
  white-space: nowrap;
}
.delta.is-a { border-color: rgba(22, 86, 214, 0.4); color: var(--accent-strong); background: var(--a-soft); }
.delta.is-b { border-color: rgba(16, 24, 40, 0.35); color: var(--b); background: var(--b-soft); }
.delta.is-good { border-color: rgba(15, 123, 79, 0.4); color: var(--ok); background: var(--ok-soft); }
.delta.is-neutral { opacity: 0.85; }

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1rem;
}

.metric-block {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.metric-block.is-a { border-top: 3px solid var(--a); }
.metric-block.is-b { border-top: 3px solid var(--b); }

.metric-block-title { font-weight: 700; margin: 0 0 0.6rem; font-size: 0.95rem; }
.metric-block-level { margin: 0.5rem 0; }

.risk-meter {
  position: relative;
  height: 26px;
  background: #e8edf5;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  overflow: hidden;
}
.risk-meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--ok), var(--warn) 55%, var(--danger));
  border-radius: 999px;
}
.risk-meter-value {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 800;
  color: #0d1526;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.6);
}

.mini-list { font-size: 0.81rem; color: var(--text-muted); padding-left: 1.1rem; margin: 0.75rem 0; }

.factor-list { border-top: 1px solid var(--border); padding-top: 0.6rem; margin-top: 0.6rem; }
.factor-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin: 0 0 0.4rem;
}
.factor-list ul { list-style: none; padding: 0; margin: 0; }
.factor-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.83rem;
  padding: 0.3rem 0;
  border-bottom: 1px dotted var(--border);
  margin: 0;
}
.factor-label { color: var(--text-muted); }
.factor-value { font-family: var(--mono); font-weight: 700; color: var(--warn); }

.risk-diff-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 0.6rem 0.8rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- Gráficos ---------- */
.chart-block { margin-top: 1.15rem; }

.chart {
  margin: 0 0 1.15rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.chart-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
}
.chart-subtitle { font-weight: 400; font-size: 0.77rem; color: var(--text-dim); }

.chart-rows { display: flex; flex-direction: column; gap: 0.85rem; }

.chart-row-label { font-size: 0.79rem; font-weight: 600; color: var(--text-muted); margin: 0 0 0.3rem; }
.chart-series { display: flex; flex-direction: column; gap: 0.3rem; }

.series { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 0.5rem; }

.series-tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
  border-radius: 5px;
  padding: 0.1rem 0;
}
.series-tag.is-a { background: var(--a-soft); color: var(--accent-strong); }
.series-tag.is-b { background: var(--b-soft); color: var(--b); }

.track {
  height: 14px;
  background: #e8edf5;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.bar { height: 100%; border-radius: 999px; }
.bar.is-a { background: linear-gradient(90deg, #4b83ef, var(--accent)); }
.bar.is-b { background: linear-gradient(90deg, #3d4a63, var(--b)); }

.series-value { font-family: var(--mono); font-size: 0.77rem; font-weight: 700; min-width: 72px; text-align: right; }
.series-value.is-a { color: var(--accent-strong); }
.series-value.is-b { color: var(--b); }

.chart-details { margin-top: 0.75rem; }
.chart-details summary {
  cursor: pointer;
  font-size: 0.77rem;
  font-weight: 600;
  color: var(--text-dim);
}
.chart-details[open] summary { margin-bottom: 0.5rem; color: var(--accent-strong); }

.line-chart { width: 100%; height: auto; display: block; background: #fbfcfe; border-radius: 6px; }
.line-chart .grid { stroke: rgba(13, 21, 38, 0.09); stroke-width: 1; }
.line-chart .axis-label { fill: var(--text-dim); font-size: 11px; font-family: var(--mono); }
.line-chart .line.is-a { stroke: var(--accent); stroke-width: 2.5; }
.line-chart .line.is-b { stroke: var(--b); stroke-width: 2.5; stroke-dasharray: 6 4; }
.line-chart .dot.is-a { fill: var(--accent); }
.line-chart .dot.is-b { fill: var(--b); }

.chart-legend { display: flex; gap: 1rem; font-size: 0.78rem; font-weight: 600; margin-top: 0.4rem; }
.legend-a { color: var(--accent-strong); }
.legend-b { color: var(--b); }

/* ---------- Diagnóstico ---------- */
.diagnosis-summary {
  background: var(--accent-soft);
  border: 1px solid rgba(22, 86, 214, 0.3);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}
.diagnosis-summary-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--accent-strong);
  margin: 0 0 0.3rem;
}
.diagnosis-summary-text { margin: 0 0 0.4rem; font-weight: 600; color: var(--text); }
.diagnosis-confidence { margin: 0; font-size: 0.8rem; color: var(--text-muted); }

.finding-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; }

.finding {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  background: #ffffff;
}
.finding-alert { border-left-color: var(--danger); background: #fffbfb; }
.finding-info { border-left-color: var(--accent); background: #fbfcff; }
.finding-ok { border-left-color: var(--ok); background: #fbfdfc; }

.finding-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.finding-title { margin: 0; font-size: 0.95rem; }

.finding-badge {
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
}
.badge-alert { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--accent-soft); color: var(--accent-strong); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }

.finding-text { margin: 0.45rem 0 0; font-size: 0.87rem; color: var(--text-muted); }

.finding-refs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0.5rem 0 0;
}
.finding-refs li {
  font-size: 0.71rem;
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  margin: 0;
  color: var(--text-muted);
}

.disclaimer {
  font-size: 0.79rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 0.7rem;
  margin-top: 1rem;
}

/* ---------- Historial ---------- */
.history-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.history-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.history-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.history-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-ring); }

.history-card-head { display: flex; gap: 0.6rem; align-items: flex-start; }
.history-checkbox { width: 18px; height: 18px; accent-color: var(--accent); margin-top: 0.3rem; }
.history-select { display: inline-flex; }
.history-title h3 { font-size: 1rem; margin: 0; }
.history-date { font-size: 0.75rem; color: var(--text-dim); margin: 0.2rem 0 0; }

.history-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
}
.history-summary-item dt {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-dim);
}
.history-summary-item dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text);
}

.history-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: auto; }

/* ---------- Metodología ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.15rem;
}

.prose { color: var(--text-muted); font-size: 0.91rem; }
.prose strong { color: var(--text); }

.code-block {
  background: var(--navy);
  border: 1px solid var(--navy-2);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.79rem;
  color: #d7e3fb;
  overflow-x: auto;
  white-space: pre;
  margin: 0 0 0.75rem;
}

/* ---------- Estados vacíos ---------- */
.empty-state {
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: clamp(2rem, 6vw, 4rem) 1.5rem;
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}
.empty-state h2 { font-size: 1.3rem; }
.empty-state p { color: var(--text-muted); max-width: 62ch; margin-inline: auto; }
.empty-inline { padding: 2rem 1rem; box-shadow: none; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  background: var(--navy);
  color: #ffffff;
  border: 1px solid var(--accent);
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  font-size: 0.87rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(10, 23, 48, 0.35);
  z-index: 60;
  max-width: min(90vw, 520px);
  text-align: center;
}
.toast[hidden] { display: none; }

/* ---------- Informe de impresión ---------- */
.print-report { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .app-header { position: static; }
  .tabs { order: 3; width: 100%; justify-content: center; }
  .header-actions { order: 2; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .candidates-grid { grid-template-columns: 1fr; }
  .fields { grid-template-columns: 1fr; }
  .compare-table { font-size: 0.81rem; }
  .compare-table th, .compare-table td { padding: 0.45rem 0.4rem; }
  .history-summary { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; }
  .series { grid-template-columns: 20px 1fr auto; }
  .series-value { min-width: 58px; }
}

@media (max-width: 420px) {
  .tab { padding: 0.45rem 0.7rem; font-size: 0.8rem; }
  .btn { padding: 0.5rem 0.8rem; font-size: 0.84rem; }
  .series { grid-template-columns: 18px 1fr; }
  .series-value { grid-column: 2; text-align: left; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Impresión (informe corporativo) ---------- */
@media print {
  body {
    background: #ffffff;
    color: #000000;
    font-size: 11pt;
  }
  .app-header,
  .app-footer,
  .toast,
  .skip-link,
  #main { display: none !important; }

  .print-report { display: block !important; }

  .print-report h1 {
    font-size: 17pt;
    border-bottom: 3px solid #1656d6;
    padding-bottom: 5pt;
    color: #0a1730;
  }
  .print-report h2 {
    font-size: 12.5pt;
    margin-top: 14pt;
    border-bottom: 1px solid #9aa7bd;
    color: #0a1730;
  }
  .print-report .report-sub { font-size: 13pt; font-weight: 700; }
  .print-report .report-meta { font-size: 9pt; color: #444; }

  .report-table { width: 100%; border-collapse: collapse; margin-bottom: 8pt; }
  .report-table th, .report-table td {
    border: 1px solid #9aa7bd;
    padding: 4pt 6pt;
    text-align: left;
    font-size: 9.5pt;
  }
  .report-table thead th { background: #eef2f8; font-weight: 700; }
  .print-report section { break-inside: avoid; }
}