/* SMDM — tokens de marca Busport (Brand Book 2026). Modo oscuro: propuesta derivada, no norma oficial. */
:root {
  --bp-azul: #05206D;
  --bp-azul-hover: #1E3A8F;
  --bp-verde: #55B02E;
  --bp-verde-hover: #6FC94A;

  --bp-bg: #F2F4F7;
  --bp-surface: #FFFFFF;
  --bp-text: #05206D;
  --bp-text-sec: #5E676D;
  --bp-borde: #DDE2E8;
  --bp-cabecera: #05206D;
  --bp-cabecera-text: #FFFFFF;
  --bp-cta: #55B02E;
  --bp-cta-hover: #6FC94A;
  --bp-cta-text: #05206D;
  --bp-enlace: #1E3A8F;
  --bp-foco: #526DBE;

  --ok-soft: #E6F3E0;   --ok-text: #2D562E;
  --error-soft: #F8E1E8; --error-text: #691D0A; --error: #B22B54;
  --neutro-soft: #ECEEF1; --neutro-text: #5E676D;

  --radio: 14px;
  --sombra: 0 1px 2px rgb(5 32 109 / .06), 0 1px 3px rgb(5 32 109 / .08);
  --fuente: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bp-bg: #111C3E;
    --bp-surface: #0B2269;
    --bp-text: #FFFFFF;
    --bp-text-sec: #C3D2FF;
    --bp-borde: #2E4078;
    --bp-cabecera: #0B2269;
    --bp-cta-text: #111C3E;
    --bp-enlace: #8BA2E8;
    --bp-foco: #8BA2E8;
    --ok-soft: #22402A;   --ok-text: #C0E88B;
    --error-soft: #4A1A2A; --error-text: #F2C4D2; --error: #D58AA1;
    --neutro-soft: #1E2C5A; --neutro-text: #C3D2FF;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--fuente);
  font-size: 15px;
  line-height: 1.5;
  background: var(--bp-bg);
  color: var(--bp-text);
}
a { color: var(--bp-enlace); }
:focus-visible { outline: 3px solid var(--bp-foco); outline-offset: 2px; }
h1, h2 { margin: 0 0 .25rem; line-height: 1.2; }
h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.15rem; }
code { font-size: .9em; background: var(--neutro-soft); padding: .1em .35em; border-radius: 6px; }
.texto-sec { color: var(--bp-text-sec); margin: 0; }

/* Cabecera */
.cabecera {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .6rem max(1rem, env(safe-area-inset-right)) .6rem max(1rem, env(safe-area-inset-left));
  padding-top: max(.6rem, env(safe-area-inset-top));
  background: var(--bp-cabecera); color: var(--bp-cabecera-text);
}
.cabecera-izq { display: flex; align-items: center; gap: .75rem; }
.marca { color: inherit; text-decoration: none; font-weight: 800; font-size: 1.2rem; letter-spacing: .04em; }
.marca::before { content: ""; display: inline-block; width: .55em; height: .55em; margin-right: .4em; background: var(--bp-verde); clip-path: polygon(0 0, 55% 0, 100% 50%, 55% 100%, 0 100%, 45% 50%); }
.boton-volver {
  display: inline-flex; align-items: center; gap: .2rem;
  padding: .35rem .7rem .35rem .4rem; border: 1px solid rgb(255 255 255 / .35); border-radius: 999px;
  background: transparent; color: inherit; font: inherit; font-size: .9rem; cursor: pointer;
}
.boton-volver:hover { background: rgb(255 255 255 / .1); }
.nav { display: flex; gap: .25rem; flex: 1; }
.nav a { color: inherit; text-decoration: none; padding: .4rem .8rem; border-radius: 8px; opacity: .85; }
.nav a:hover { opacity: 1; background: rgb(255 255 255 / .08); }
.nav a.activo { opacity: 1; background: rgb(255 255 255 / .14); box-shadow: inset 0 -2px 0 var(--bp-verde); }
.cabecera-der { display: flex; align-items: center; gap: 1rem; }
.cabecera-der form { margin: 0; }
.quien { display: flex; flex-direction: column; text-align: right; line-height: 1.25; }
.quien span { font-size: .8rem; opacity: .8; }
.cabecera .boton-sec { color: #fff; border-color: rgb(255 255 255 / .35); background: transparent; }

/* Contenido */
.contenido { padding: 1.5rem max(1rem, env(safe-area-inset-left)); max-width: 1400px; margin: 0 auto; }
.contenido-acceso { min-height: 100dvh; display: grid; place-items: center; padding: 1rem; }
.encabezado { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }

.tarjeta { background: var(--bp-surface); border: 1px solid var(--bp-borde); border-radius: var(--radio); box-shadow: var(--sombra); padding: 1.25rem; margin-bottom: 1.25rem; }
.acceso { width: 100%; max-width: 420px; padding: 2rem; }
.acceso-marca { text-align: center; margin-bottom: 1.5rem; }
.acceso-marca h1 { font-size: 1.9rem; letter-spacing: .04em; margin-top: .5rem; }
.acceso > .texto-sec { margin-bottom: 1rem; }
.pie-acceso { text-align: center; margin: 1rem 0 0; font-size: .9rem; }

.indicadores { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.indicador { display: flex; flex-direction: column; gap: .25rem; margin: 0; text-decoration: none; color: inherit; }
a.indicador:hover { border-color: var(--bp-verde); }
.indicador-valor { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.indicador-nombre { color: var(--bp-text-sec); }

/* Formularios */
.formulario { display: grid; gap: 1rem; }
.formulario-ancho { max-width: 640px; }
.formulario label { display: grid; gap: .35rem; font-weight: 600; font-size: .92rem; }
.formulario input:not([type=checkbox]), .formulario select {
  width: 100%; padding: .65rem .8rem; font: inherit; font-weight: 400;
  color: var(--bp-text); background: var(--bp-surface);
  border: 1px solid var(--bp-borde); border-radius: 10px;
}
.formulario input:focus, .formulario select:focus { border-color: var(--bp-foco); outline: none; box-shadow: 0 0 0 3px rgb(82 109 190 / .25); }
.formulario .invalido { border-color: var(--error); }
.formulario label.casilla { display: flex; align-items: flex-start; gap: .6rem; font-weight: 400; }
.casilla input { width: 1.1rem; height: 1.1rem; margin-top: .15rem; accent-color: var(--bp-verde); }
.campo-codigo { font-size: 1.5rem !important; letter-spacing: .4em; text-align: center; font-variant-numeric: tabular-nums; }
.ayuda { font-weight: 400; font-size: .82rem; color: var(--bp-text-sec); }
.error-campo { font-weight: 600; font-size: .82rem; color: var(--error); }
.botones { display: flex; gap: .75rem; flex-wrap: wrap; }

.boton {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .6rem 1.1rem; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
}
/* Verde con texto azul: blanco sobre #55B02E no pasa contraste AA */
.boton-cta { background: var(--bp-cta); color: var(--bp-cta-text); }
.boton-cta:hover { background: var(--bp-cta-hover); }
.boton-sec { background: transparent; color: var(--bp-text); border-color: var(--bp-borde); }
.boton-sec:hover { border-color: var(--bp-text-sec); }

.alerta { padding: .7rem .9rem; border-radius: 10px; margin: 0 0 1rem; font-weight: 600; }
.alerta-error { background: var(--error-soft); color: var(--error-text); }

.pasos { padding-left: 1.2rem; color: var(--bp-text-sec); }
.pasos li { margin-bottom: .3rem; }
.qr { display: grid; place-items: center; margin: 1rem 0; }
.qr img { background: #fff; padding: 8px; border-radius: 12px; }
.clave-manual { margin-bottom: 1rem; font-size: .9rem; }
.clave-manual code { display: block; margin-top: .5rem; word-break: break-all; padding: .5rem; }

/* Tablas */
.tabla-contenedor { padding: 0; overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; }
.tabla th, .tabla td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--bp-borde); vertical-align: middle; }
.tabla th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--bp-text-sec); font-weight: 700; }
.tabla tbody tr:last-child td { border-bottom: 0; }
.tabla tbody tr:hover { background: var(--neutro-soft); }
.tabla .num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla .acciones { text-align: right; white-space: nowrap; }
.vacio { padding: 2rem 1.25rem; margin: 0; color: var(--bp-text-sec); text-align: center; }

.pildora { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 700; }
.pildora-ok { background: var(--ok-soft); color: var(--ok-text); }
.pildora-error { background: var(--error-soft); color: var(--error-text); }
.pildora-neutro { background: var(--neutro-soft); color: var(--neutro-text); }

/* Celular */
@media (max-width: 760px) {
  .cabecera { flex-wrap: wrap; gap: .5rem 1rem; }
  .cabecera-izq { flex: 1; }
  .quien { display: none; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; }
  .boton-volver span { display: none; }
  .boton-volver { padding: .35rem; }
  .contenido { padding: 1rem; }
  h1 { font-size: 1.35rem; }
  .acceso { padding: 1.5rem; }

  .tabla thead { display: none; }
  .tabla, .tabla tbody, .tabla tr, .tabla td { display: block; width: 100%; }
  .tabla tr { padding: .75rem 1rem; border-bottom: 1px solid var(--bp-borde); }
  .tabla td { padding: .2rem 0; border: 0; text-align: left !important; }
  .tabla td[data-col]::before { content: attr(data-col) ": "; color: var(--bp-text-sec); font-size: .82rem; }
  .tabla .acciones { padding-top: .5rem; }
}