:root {
  --azul: #163a62;
  --azul-oscuro: #0f2a48;
  --azul-claro: #e8f1fb;
  --verde: #1f8a4c;
  --rojo: #c62828;
  --ambar: #d28a18;
  --fondo: #f4f6f8;
  --texto: #1c2430;
  --muted: #5c6773;
  --borde: #d5dde5;
  --blanco: #ffffff;
  --radio: 12px;
  --sombra: 0 8px 24px rgba(22, 58, 98, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.5;
}

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--azul-oscuro);
  color: #d7e4f2;
  padding: 24px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.brand { color: #fff; font-size: 1.05rem; font-weight: 700; margin: 0 0 4px; }
.brand-sub { margin: 0 0 28px; font-size: 0.82rem; color: #9bb4cc; }
.nav-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7f9bb4;
  margin: 18px 0 8px 8px;
}

.sidebar a {
  display: block;
  color: #d7e4f2;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.sidebar a:hover,
.sidebar a:focus { background: #1d4b7a; color: #fff; }

.content { padding: 32px 40px 64px; max-width: 980px; }

h1 { margin: 0 0 8px; font-size: 1.8rem; color: var(--azul); }
h2 { margin: 44px 0 12px; font-size: 1.35rem; color: var(--azul); }
h3 { margin: 0 0 8px; font-size: 1.05rem; color: var(--azul); }

.lead, .nota, .alerta, li, p { font-size: 1rem; }
.lead { color: var(--muted); margin: 0 0 24px; max-width: 68ch; }

.casos {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin: 8px 0 28px;
}

.caso {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 16px 18px;
  box-shadow: var(--sombra);
  text-decoration: none;
  color: inherit;
}

.caso:hover { border-color: #9bb8d4; }
.caso span {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 2px 8px;
  margin-bottom: 8px;
}

.caso-a span { background: #e8f6ee; color: var(--verde); }
.caso-b span { background: #e8f1fb; color: var(--azul); }
.caso-c span { background: #f3e8fb; color: #6b21a8; }
.paso-num.c { background: #6b21a8; }

.paso {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 20px 22px 22px;
  margin: 18px 0 28px;
}

.paso-num {
  display: inline-block;
  background: var(--azul);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 10px;
}

.paso-num.b { background: #2b6cb0; }

figure {
  margin: 16px 0 0;
  background: #eef2f6;
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

figure img {
  max-width: min(420px, 100%);
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

figcaption { margin-top: 10px; color: var(--muted); font-size: 0.88rem; }

.nota, .alerta {
  padding: 12px 14px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0 0;
}

.nota { background: var(--azul-claro); border-left: 4px solid var(--azul); }
.alerta { background: #fff6e8; border-left: 4px solid var(--ambar); }

.leyenda {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.95rem;
}

.leyenda th, .leyenda td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--borde);
}

.leyenda th { background: #eef3f8; color: var(--azul); }
.leyenda code {
  font-family: Consolas, "Courier New", monospace;
  font-weight: 700;
  background: #eef3f8;
  padding: 1px 6px;
  border-radius: 4px;
}

.totales {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.chip {
  background: #f3faf6;
  border: 1px solid #cde8d7;
  border-radius: 8px;
  padding: 10px 12px;
}

.chip strong { color: var(--verde); }
.chip.pendiente { background: #fff1f1; border-color: #f3c4c4; }
.chip.pendiente strong { color: var(--rojo); }

.ojo-bolso {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 16px 0 0;
  padding: 14px 16px;
  background: #fff4e5;
  border: 2px solid #e6a23c;
  border-radius: 12px;
}

.ojo-bolso .icono-bolso {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #f0d9a8;
  display: grid;
  place-items: center;
  padding: 6px;
}

.ojo-bolso .icono-bolso img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  image-rendering: pixelated;
}

.ojo-bolso h3 { margin: 0 0 6px; color: #9a5b00; }
.ojo-bolso p { margin: 0 0 8px; }
.ojo-bolso p:last-child { margin: 0; }

.ojo-lapiz {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 16px 0 0;
  padding: 14px 16px;
  background: #e8f1fb;
  border: 2px solid #2b6cb0;
  border-radius: 12px;
}

.ojo-lapiz .icono-lapiz {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #163a62;
  display: grid;
  place-items: center;
}

.ojo-lapiz h3 { margin: 0 0 6px; color: var(--azul); }
.ojo-lapiz p { margin: 0 0 8px; }
.ojo-lapiz p:last-child { margin: 0; }

.iconos-fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.icono-card {
  border-radius: 10px;
  padding: 12px;
  border: 1px solid var(--borde);
  background: #f8fafc;
}

.icono-card.abono {
  background: #fff4e5;
  border-color: #e6a23c;
}

.icono-card.cancel {
  background: #eef6ff;
  border-color: #9bb8d4;
}

.icono-card strong { display: block; margin-bottom: 4px; }

ol.resumen { padding-left: 20px; }
ol.resumen li { margin: 6px 0; }

footer { margin-top: 48px; color: var(--muted); font-size: 0.85rem; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .content { padding: 24px 16px 48px; }
  .casos, .totales, .iconos-fila { grid-template-columns: 1fr; }
  .ojo-bolso, .ojo-lapiz { flex-direction: column; }
}

@media print {
  .sidebar { display: none; }
  .layout { display: block; }
  .paso { box-shadow: none; break-inside: avoid; }
}