/* ============================================================
   Banco Aurora - Sistema de diseño compartido
   Operación Quetzal / CTF web (R01, R02, R03)

   Este archivo es la ÚNICA fuente de verdad del look & feel.
   scripts/deploy.sh lo copia a challenges/<reto>/static/aurora.css
   antes de construir cada imagen, para que los tres retos se vean
   como un mismo objetivo institucional.
   ============================================================ */

:root {
  /* Marca */
  --c-navy: #0b2545;
  --c-navy-soft: #13315c;
  --c-blue: #1d6fb8;
  --c-blue-dark: #155a96;
  --c-blue-tint: #e8f1fa;
  --c-gold: #c9a227;

  /* Neutros */
  --c-bg: #f4f6f9;
  --c-surface: #ffffff;
  --c-surface-alt: #fafbfd;
  --c-border: #dde3ea;
  --c-border-strong: #c3ccd7;
  --c-text: #1b2733;
  --c-muted: #5a6b7d;

  /* Estados */
  --c-ok: #1e7b4f;
  --c-ok-tint: #e6f4ec;
  --c-warn: #8a6100;
  --c-warn-tint: #fdf3d9;
  --c-danger: #b3261e;
  --c-danger-tint: #fbeae9;

  /* Métrica */
  --radius: 10px;
  --radius-sm: 6px;
  --wrap: 1120px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06), 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 2px 4px rgba(11, 37, 69, 0.06), 0 8px 24px rgba(11, 37, 69, 0.09);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  line-height: 1.25;
  color: var(--c-navy);
  font-weight: 650;
  letter-spacing: -0.011em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.0625rem; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--c-blue-dark); }
a:hover { color: var(--c-navy); }

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

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-navy);
  color: #fff;
  padding: 12px 20px;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Banda de alcance (obligatoria en todos los retos) ---------- */

.scope-bar {
  background: repeating-linear-gradient(
    135deg,
    #12385f, #12385f 14px,
    #0f2f51 14px, #0f2f51 28px
  );
  color: #dce7f3;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 7px 0;
}

.scope-bar .wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}

.scope-bar strong { color: var(--c-gold); font-weight: 700; }

/* ---------- Cabecera ---------- */

.site-header {
  background: var(--c-navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  padding: 10px 0;
}

.brand-mark { flex: 0 0 auto; display: block; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 1.1875rem;
  font-weight: 680;
  letter-spacing: -0.015em;
}
.brand-sub {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: #9fb8d2;
  font-style: normal;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  color: #cfe0f0;
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
}
.site-nav a:hover { background: rgba(255, 255, 255, 0.09); color: #fff; }
.site-nav a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
  font-weight: 600;
}

/* ---------- Contenido ---------- */

main { flex: 1 0 auto; padding: 32px 0 56px; }

.hero {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-soft) 55%, #1a4a7d 100%);
  color: #eaf2fa;
  padding: 44px 0;
  margin-bottom: 32px;
}
.hero h1 { color: #fff; max-width: 22ch; }
.hero p { color: #c3d6e8; max-width: 62ch; font-size: 1.0625rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 10px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.card-lg { padding: 28px; }

.card h3 { margin-bottom: 0.35em; }
.card p { color: var(--c-muted); font-size: 0.9375rem; }

.section { margin-bottom: 36px; }
.section-head { margin-bottom: 18px; }
.section-head p { color: var(--c-muted); margin: 0; }

/* ---------- Formularios ---------- */

.field { margin-bottom: 16px; }

.field label,
.label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 640;
  color: var(--c-navy);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.hint {
  display: block;
  font-size: 0.8125rem;
  color: var(--c-muted);
  margin-top: 5px;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--c-text);
  background: var(--c-surface);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
}

input:focus, select:focus {
  border-color: var(--c-blue);
  outline: 2px solid rgba(29, 111, 184, 0.25);
  outline-offset: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--c-blue-dark); color: #fff; }
.btn-primary:hover { background: var(--c-navy-soft); color: #fff; }

.btn-ghost {
  background: var(--c-surface);
  color: var(--c-blue-dark);
  border-color: var(--c-border-strong);
}
.btn-ghost:hover { background: var(--c-blue-tint); color: var(--c-navy); }

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- Datos ---------- */

.dl {
  display: grid;
  grid-template-columns: minmax(140px, auto) 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 0;
}
.dl dt, .dl dd {
  background: var(--c-surface);
  margin: 0;
  padding: 11px 14px;
  font-size: 0.9375rem;
}
.dl dt { color: var(--c-muted); font-weight: 600; }
.dl dd { color: var(--c-text); }

.amount {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-navy);
  letter-spacing: -0.02em;
}

.badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.badge-ok { background: var(--c-ok-tint); color: var(--c-ok); border-color: #bfe0cd; }
.badge-warn { background: var(--c-warn-tint); color: var(--c-warn); border-color: #ecd9a4; }
.badge-info { background: var(--c-blue-tint); color: var(--c-blue-dark); border-color: #c3ddf3; }
.badge-danger { background: var(--c-danger-tint); color: var(--c-danger); border-color: #f0c7c4; }

.note {
  border-left: 3px solid var(--c-blue);
  background: var(--c-blue-tint);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9375rem;
  color: var(--c-navy-soft);
}
.note-warn { border-left-color: var(--c-gold); background: var(--c-warn-tint); color: var(--c-warn); }

/* ---------- Panel de respuesta cruda de la API ----------
   Se conserva siempre visible: es la superficie por la que el
   participante lee la respuesta completa del backend. */

.api-panel {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--c-surface-alt);
}

.api-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 9px 14px;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.api-panel-head code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--c-blue-dark);
  font-weight: 600;
}

.api-panel pre {
  margin: 0;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #16324f;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 3em;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--c-blue-tint);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--c-navy-soft);
}

/* ---------- Pie ---------- */

.site-footer {
  flex-shrink: 0;
  background: var(--c-navy);
  color: #a9c1d8;
  font-size: 0.875rem;
  padding: 32px 0 24px;
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 6px; }
.footer-grid a { color: #a9c1d8; text-decoration: none; }
.footer-grid a:hover { color: #fff; text-decoration: underline; }

.footer-legal {
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: #8ba7c2;
}

.footer-legal .chal-id {
  font-family: var(--font-mono);
  color: #7d99b5;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  h1 { font-size: 1.625rem; }
  .hero { padding: 32px 0; }
  .header-inner { min-height: 0; padding: 10px 0; }
  .site-nav { width: 100%; }
  .dl { grid-template-columns: 1fr; }
  .dl dt { padding-bottom: 0; }
}

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