:root {
  --navy: #1f3864;
  --navy-2: #2c4a7e;
  --fondo: #f4f6fa;
  --tarjeta: #ffffff;
  --texto: #1c2433;
  --suave: #5b6476;
  --borde: #dde2ea;
  --acento: #2563eb;
  --ok: #15803d;
  --alerta: #b45309;
  --peligro: #b91c1c;
  --radio: 8px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 14px;
  color: var(--texto);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { display: grid; grid-template-columns: 236px 1fr; background: var(--fondo); }

/* lateral */
.lateral { background: var(--navy); color: #fff; display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh; }
.marca { padding: 4px 10px 18px; border-bottom: 1px solid rgba(255,255,255,.15); margin-bottom: 12px; }
.marca-titulo { font-weight: 700; font-size: 16px; }
.marca-sub { font-size: 12px; opacity: .75; margin-top: 2px; }
.lateral nav { display: flex; flex-direction: column; gap: 2px; }
.lateral nav a { color: #dbe4f3; text-decoration: none; padding: 9px 10px; border-radius: 6px; }
.lateral nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.lateral nav a.activo { background: rgba(255,255,255,.16); color: #fff; font-weight: 600; }
.privado { margin-top: auto; font-size: 11.5px; opacity: .7; padding: 10px; border-top: 1px solid rgba(255,255,255,.15); }

/* principal */
main { padding: 24px 28px 60px; min-width: 0; outline: none; }
h1 { font-size: 22px; margin: 0 0 4px; }
.sub { color: var(--suave); margin: 0 0 18px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 16px 18px; margin-bottom: 16px; }
.rejilla { display: grid; gap: 16px; }
.rejilla.k6 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.rejilla.c2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.kpi { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px 16px; text-decoration: none; color: inherit; display: block; }
.kpi:hover { border-color: var(--acento); }
.kpi .num { font-size: 28px; font-weight: 700; line-height: 1.1; }
.kpi .eti { color: var(--suave); font-size: 12.5px; margin-top: 4px; }
.kpi.alerta .num { color: var(--alerta); }
.kpi.peligro .num { color: var(--peligro); }
.kpi.ok .num { color: var(--ok); }

.barras { display: flex; flex-direction: column; gap: 8px; }
.barra { display: grid; grid-template-columns: 210px 1fr 36px; align-items: center; gap: 10px; font-size: 13px; cursor: pointer; }
.barra .pista { background: #eef1f6; border-radius: 4px; height: 12px; overflow: hidden; }
.barra .relleno { height: 100%; border-radius: 4px; }
.barra .n { text-align: right; font-variant-numeric: tabular-nums; color: var(--suave); }

/* controles */
button, .btn { font: inherit; border: 1px solid var(--borde); background: #fff; color: var(--texto); border-radius: 6px; padding: 7px 12px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .btn:hover { border-color: var(--acento); }
button.primario, .btn.primario { background: var(--navy); color: #fff; border-color: var(--navy); }
button.primario:hover { background: var(--navy-2); }
button.peligro { color: var(--peligro); }
button:disabled { opacity: .5; cursor: default; }
.btn-icono { border: none; background: none; font-size: 18px; padding: 4px 8px; }
input, select, textarea { font: inherit; border: 1px solid var(--borde); border-radius: 6px; padding: 7px 9px; background: #fff; color: var(--texto); width: 100%; }
textarea { resize: vertical; min-height: 90px; line-height: 1.45; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--acento); outline-offset: 1px; }
label { font-size: 12px; color: var(--suave); display: block; margin-bottom: 3px; }
.campo { margin-bottom: 10px; }
.filtros { display: grid; grid-template-columns: 2fr repeat(5, 1fr) auto; gap: 10px; align-items: end; }
@media (max-width: 1300px) { .filtros { grid-template-columns: repeat(4, 1fr); } }
.fila-acciones { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* tablas */
.tabla-env { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--borde); vertical-align: top; }
th { font-size: 12px; color: var(--suave); font-weight: 600; background: #f8f9fc; position: sticky; top: 0; }
tbody tr.clic { cursor: pointer; }
tbody tr.clic:hover { background: #f5f8ff; }
td.asunto { max-width: 460px; min-width: 260px; }
.dos-lineas { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nowrap { white-space: nowrap; }
.mono { font-variant-numeric: tabular-nums; }
.vacio { color: var(--suave); padding: 18px; text-align: center; }

/* etiquetas */
.pill { display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 999px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.pill.tipo { color: #fff; }
.pill.e-por-evaluar { background: #eef1f6; color: #334155; }
.pill.e-en-atencion { background: #dbeafe; color: #1e40af; }
.pill.e-esperando-respuesta { background: #fef3c7; color: #92400e; }
.pill.e-atendido { background: #dcfce7; color: #166534; }
.pill.vencido { background: #fee2e2; color: #991b1b; }
.pill.gris { background: #f1f5f9; color: #475569; border-color: var(--borde); }
.pill.ejemplo { background: #fdf4ff; color: #86198f; border-color: #f5d0fe; }
.dias-ok { color: var(--ok); font-weight: 600; }
.dias-pronto { color: var(--alerta); font-weight: 600; }
.dias-vencido { color: var(--peligro); font-weight: 700; }

/* detalle */
.cabecera-doc { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.cabecera-doc .etiquetas { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.detalle { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(360px, 1fr); gap: 16px; }
.datos { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 13.5px; }
.datos dt { color: var(--suave); }
.datos dd { margin: 0; }
.descripcion-tipo { background: #f8fafc; border-left: 3px solid var(--navy); padding: 8px 12px; color: #334155; font-size: 13px; margin: 8px 0 0; }

.flujo { list-style: none; margin: 0; padding: 0; counter-reset: paso; }
.paso { border: 1px solid var(--borde); border-radius: var(--radio); padding: 12px 14px; margin-bottom: 10px; position: relative; background: #fff; }
.paso.en_curso { border-color: var(--acento); box-shadow: 0 0 0 2px rgba(37,99,235,.12); }
.paso.hecho { background: #f7fbf8; }
.paso-cab { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.paso-titulo { font-weight: 600; display: flex; gap: 10px; align-items: center; }
.paso-num { width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; background: #eef1f6; color: #334155; flex: none; }
.paso.en_curso .paso-num { background: var(--acento); color: #fff; }
.paso.hecho .paso-num { background: var(--ok); color: #fff; }
.paso-cuerpo { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px 12px; margin-top: 10px; }
.paso-cuerpo .ancho { grid-column: 1 / -1; }
.paso-meta { font-size: 12px; color: var(--suave); margin-top: 6px; }
.historial { list-style: none; padding: 0; margin: 0; max-height: 300px; overflow: auto; font-size: 12.5px; }
.historial li { padding: 6px 0; border-bottom: 1px dashed var(--borde); }
.historial .f { color: var(--suave); margin-right: 6px; }
.lista-simple { list-style: none; padding: 0; margin: 0; }
.lista-simple li { padding: 6px 0; border-bottom: 1px solid var(--borde); font-size: 13px; }
.lista-simple a { color: var(--acento); text-decoration: none; }

.etapas-caja { padding: 12px 16px; }
.etapas { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.etapa { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--borde); border-radius: 999px; padding: 4px 12px 4px 4px; background: #fff; font-size: 12.5px; max-width: 260px; }
.etapa .etapa-txt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.etapa .paso-num { width: 22px; height: 22px; font-size: 11px; }
.etapa.en_curso { border-color: var(--acento); background: #eff6ff; font-weight: 600; }
.etapa.en_curso .paso-num { background: var(--acento); color: #fff; }
.etapa.hecho { background: #f0fdf4; border-color: #bbf7d0; }
.etapa.hecho .paso-num { background: var(--ok); color: #fff; }
.flecha { color: var(--suave); }
.lote { position: sticky; bottom: 0; background: #fff; border: 1px solid var(--acento); border-radius: var(--radio); padding: 10px 14px; margin-top: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; box-shadow: 0 -4px 14px rgba(0,0,0,.06); }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal[hidden] { display: none; }
.modal-caja { background: #fff; border-radius: 10px; width: min(860px, 100%); max-height: 92vh; overflow: auto; padding: 18px 20px; }
.modal-cab { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.modal-cab h2 { margin: 0; }
.borrador { font-family: Consolas, "Courier New", monospace; font-size: 13px; min-height: 420px; white-space: pre; }
.aviso { position: fixed; bottom: 20px; right: 20px; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 8px; opacity: 0; transform: translateY(10px); transition: all .2s; pointer-events: none; z-index: 60; }
.aviso.visible { opacity: 1; transform: none; }
.aviso.error { background: var(--peligro); }
.nota { font-size: 12.5px; color: var(--suave); }
.alerta-caja { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radio); padding: 10px 14px; color: #78350f; margin-bottom: 14px; }
.ayuda h2 { margin-top: 20px; }
.ayuda ol li, .ayuda ul li { margin-bottom: 6px; line-height: 1.5; }
.ayuda p { line-height: 1.55; }

@media (max-width: 1000px) {
  body { grid-template-columns: 1fr; }
  .lateral { position: static; height: auto; }
  .detalle { grid-template-columns: 1fr; }
  .filtros { grid-template-columns: 1fr 1fr; }
  .barra { grid-template-columns: 140px 1fr 30px; }
}
@media print {
  .lateral, .fila-acciones, button { display: none !important; }
  body { grid-template-columns: 1fr; background: #fff; }
}

.lista-pasos { margin: 4px 0 10px 18px; padding: 0; }
.lista-pasos li { margin: 2px 0; }

/* ayuda memoria en la ficha */
.seccion-am { border: 1px solid var(--borde); border-radius: 6px; margin-bottom: 8px; background: #fbfcfe; }
.seccion-am summary { cursor: pointer; padding: 8px 12px; font-weight: 600; font-size: 13.5px; }
.seccion-am[open] summary { border-bottom: 1px solid var(--borde); }
.texto-am { white-space: pre-wrap; padding: 10px 12px; font-size: 13px; line-height: 1.5; }

/* usuario y acceso */
.caja-usuario { margin-top: auto; padding: 10px; border-top: 1px solid rgba(255,255,255,.15); font-size: 12.5px; }
.caja-usuario + .privado { margin-top: 0; }
.caja-usuario .u-nombre { font-weight: 600; }
.caja-usuario .u-rol { opacity: .75; }
.caja-usuario a { color: #dbe4f3; }
.pagina-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.caja-login { width: min(400px, 100%); background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 10px; padding: 24px; }
.marca-login { background: var(--navy); color: #fff; margin: -24px -24px 18px; padding: 16px 24px; border-radius: 10px 10px 0 0; }
.solo-consulta [data-sincronizar], .solo-consulta .peligro, .solo-consulta #p-guardar, .solo-consulta #np-crear, .solo-consulta #na-crear { display: none !important; }

/* celular */
@media (max-width: 700px) {
  body { display: block; height: auto; }
  main { padding: 16px 12px 48px; }
  .lateral { padding: 10px 10px 6px; }
  .marca { padding: 0 4px 8px; margin-bottom: 6px; }
  .marca-sub, .privado { display: none; }
  .lateral nav { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; gap: 4px; padding-bottom: 6px; }
  .lateral nav a { padding: 6px 10px; font-size: 13px; white-space: nowrap; background: rgba(255,255,255,.06); }
  .caja-usuario { margin-top: 4px; padding: 6px 4px 0; display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
  .cabecera-doc { flex-direction: column; }
  .cabecera-doc > div[style*="text-align:right"] { text-align: left !important; }
  .detalle { grid-template-columns: 1fr; }
  .rejilla.c2 { grid-template-columns: 1fr; }
  .modal { padding: 8px; }
  .modal-caja { padding: 14px; }
  td.asunto { min-width: 200px; }
}