:root {
  --fondo: #f4f7fd;
  --panel: #ffffff;
  --suave: #eff4ff;
  --suave-2: #e5eeff;
  --texto: #0b1c30;
  --muted: #5b6573;
  --borde: #e3e9f3;
  --primario: #0b5483;
  --primario-hover: #003c61;
  --marino: #003c61;
  --acento: #00677f;
  --acento-suave: #d7f3fc;
  --nino: #1f6fb2;
  --nina: #d0668a;
  --sd: #a3b1c2;
  --error: #ba1a1a;
  --aviso: #8a5300;
  --ok: #1d7a4d;
  --radio: 12px;
  --radio-chico: 8px;
  --sombra: 0 1px 2px rgba(11, 28, 48, .04), 0 2px 10px rgba(11, 28, 48, .05);
  --sombra-alta: 0 4px 20px rgba(11, 28, 48, .10);
  --ancho-menu: 248px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  background: var(--fondo);
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primario); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; line-height: 1.25; letter-spacing: -.02em; margin: 0 0 .2rem; color: var(--marino); font-weight: 700; }
h2 { font-size: 1rem; letter-spacing: -.005em; margin: 0 0 .9rem; color: var(--marino); font-weight: 650; }
input, select, button { font: inherit; }
input:not([type=checkbox]):not([type=file]), select {
  padding: .45rem .65rem;
  border: 1px solid transparent;
  border-radius: var(--radio-chico);
  background: var(--suave);
  color: var(--texto);
  min-width: 0;
  transition: background .15s, border-color .15s, box-shadow .15s;
}
input:not([type=checkbox]):focus, select:focus {
  outline: none; background: #fff; border-color: var(--primario); box-shadow: 0 0 0 3px rgba(11, 84, 131, .14);
}
input[type=checkbox] { accent-color: var(--primario); width: 15px; height: 15px; }
input[type=file] { font-size: .9rem; }
input[type=file]::file-selector-button {
  font: inherit; margin-right: .6rem; padding: .4rem .8rem; border: 0; border-radius: var(--radio-chico);
  background: var(--suave-2); color: var(--marino); font-weight: 600; cursor: pointer;
}
.icono { width: 18px; height: 18px; flex: none; }

/* Menú lateral */
.con-menu { padding-left: var(--ancho-menu); }
.lateral {
  position: fixed; inset: 0 auto 0 0; width: var(--ancho-menu); z-index: 20;
  display: flex; flex-direction: column; gap: 1.25rem;
  padding: 1.25rem .85rem; background: var(--panel); box-shadow: 1px 0 0 var(--borde);
}
.marca { display: flex; align-items: center; gap: .65rem; padding: 0 .5rem; color: var(--texto); }
.marca:hover { text-decoration: none; }
.logo {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 10px;
  background: linear-gradient(135deg, var(--primario), var(--marino)); color: #fff; font-weight: 700; font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(0, 60, 97, .25);
}
.marca-texto, .cuenta-texto { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.marca-texto strong { font-size: 1.05rem; color: var(--marino); }
.marca-texto small, .cuenta-texto small { font-size: .72rem; color: var(--muted); letter-spacing: .02em; }
.lateral nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.lateral nav a {
  display: flex; align-items: center; gap: .7rem; padding: .55rem .75rem; border-radius: var(--radio-chico);
  color: var(--muted); font-weight: 500; transition: background .15s, color .15s;
}
.lateral nav a .icono { color: var(--primario); }
.lateral nav a:hover { background: var(--suave); color: var(--texto); text-decoration: none; }
.lateral nav a.activo { background: var(--primario); color: #fff; font-weight: 600; box-shadow: 0 2px 8px rgba(11, 84, 131, .25); }
.lateral nav a.activo .icono { color: #fff; }
.nav-grupo {
  margin: 1rem .75rem .35rem; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #8a94a3;
}
.cuenta { display: flex; align-items: center; gap: .25rem; padding: .5rem; border-radius: var(--radio); background: var(--suave); }
.cuenta form { margin: 0; }
.cuenta-usuario { display: flex; align-items: center; gap: .6rem; flex: 1; min-width: 0; color: var(--texto); padding: .15rem; border-radius: var(--radio-chico); }
.cuenta-usuario:hover { text-decoration: none; }
.cuenta-usuario strong { font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.avatar {
  display: grid; place-items: center; width: 32px; height: 32px; flex: none; border-radius: 50%;
  background: var(--acento-suave); color: var(--acento); font-weight: 700; font-size: .85rem;
}
.salir {
  display: grid; place-items: center; width: 34px; height: 34px; border: 0; border-radius: var(--radio-chico);
  background: transparent; color: var(--muted); cursor: pointer;
}
.salir:hover { background: #fff; color: var(--error); }

.contenido { max-width: 1320px; margin: 0 auto; padding: 1.75rem 2rem 3rem; }
.cabecera {
  margin-bottom: 1rem; padding: 1.1rem 1.4rem; background: var(--panel); border-radius: var(--radio); box-shadow: var(--sombra);
  border-left: 4px solid var(--primario);
}
.cabecera p { margin: 0; font-size: .875rem; display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; }
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--acento); box-shadow: 0 0 0 3px var(--acento-suave); }
.muted { color: var(--muted); }
.chico { font-size: .8rem; }
.nota { margin: -.25rem 0 1rem; font-size: .875rem; }
.nowrap { white-space: nowrap; }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--radio-chico); cursor: pointer; font-weight: 600;
  border: 1px solid var(--borde); background: #fff; color: var(--marino); transition: background .15s, box-shadow .15s;
}
.boton:hover { background: var(--suave); text-decoration: none; }
.boton.primario { background: var(--primario); border-color: var(--primario); color: #fff; box-shadow: 0 2px 6px rgba(11, 84, 131, .25); }
.boton.primario:hover { background: var(--primario-hover); box-shadow: 0 4px 12px rgba(0, 60, 97, .3); }
.boton.chico { padding: .3rem .7rem; font-size: .82rem; }
.enlace { background: none; border: 0; padding: 0; color: var(--primario); cursor: pointer; font-weight: 500; }
.enlace:hover { text-decoration: underline; }
.peligro { color: var(--error); }

/* Paneles y tarjetas */
.panel {
  background: var(--panel); border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 1.25rem 1.4rem; margin-bottom: 1rem;
}
.centrado { max-width: 520px; margin: 3rem auto; text-align: center; }
.centrado .boton { margin-top: .5rem; }
.tarjetas {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .85rem; margin-bottom: 1rem;
}
.tarjeta {
  position: relative; background: var(--panel); border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .1rem; overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.tarjeta::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--primario); opacity: .85; }
.tarjeta:hover { box-shadow: var(--sombra-alta); transform: translateY(-1px); }
.tarjeta .etq { color: var(--muted); font-size: .78rem; font-weight: 600; letter-spacing: .01em; padding-right: 2.6rem; min-height: 2.2em; }
.tarjeta .ico {
  position: absolute; top: .85rem; right: .9rem; display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 9px; background: var(--suave); color: var(--primario);
}
.tarjeta strong { font-size: 2rem; line-height: 1.15; letter-spacing: -.02em; font-weight: 700; color: var(--texto); font-variant-numeric: tabular-nums; }
.tarjeta strong.texto { font-size: 1.3rem; padding: .3rem 0; }
.tarjeta .sub { color: var(--muted); font-size: .78rem; }
.tarjeta.nino::after { background: var(--nino); }
.tarjeta.nino .ico { background: #e3effa; color: var(--nino); }
.tarjeta.nina::after { background: var(--nina); }
.tarjeta.nina .ico { background: #fbe9ef; color: var(--nina); }
.tarjeta.sd::after { background: var(--sd); }
.tarjeta.sd .ico { background: #eef1f5; color: #6d7b8c; }

.graficos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.graficos .panel { margin-bottom: 0; }
.graficos .ancho { grid-column: 1 / -1; }
.graficos + .panel { margin-top: 1rem; }
.lienzo { position: relative; height: 260px; }

/* Filtros */
.filtros {
  display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: flex-end; margin-bottom: 1rem;
  background: var(--panel); border-radius: var(--radio); box-shadow: var(--sombra); padding: .9rem 1.1rem;
}
.filtros label { display: flex; flex-direction: column; font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); gap: .3rem; }
.filtros label.check {
  flex-direction: row; align-items: center; gap: .4rem; font-size: .85rem; font-weight: 500; letter-spacing: 0; text-transform: none;
  color: var(--texto); padding: .4rem .7rem; border-radius: var(--radio-chico); background: var(--suave); cursor: pointer;
}
.filtros select, .filtros input { font-size: .875rem; font-weight: 500; letter-spacing: 0; text-transform: none; color: var(--texto); }
.filtros input[type=search] { min-width: 220px; flex: 1; }
.filtros .limpiar { padding-bottom: .5rem; font-size: .85rem; font-weight: 600; }

/* Tablas */
.tabla-scroll { overflow-x: auto; }
.tabla { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .875rem; }
.tabla th, .tabla td { padding: .6rem .75rem; border-bottom: 1px solid var(--borde); text-align: left; vertical-align: top; }
.tabla th {
  background: var(--suave); border-bottom: 0; font-size: .7rem; color: var(--muted); font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
}
.tabla th:first-child { border-radius: var(--radio-chico) 0 0 var(--radio-chico); }
.tabla th:last-child { border-radius: 0 var(--radio-chico) var(--radio-chico) 0; }
.tabla tbody tr { transition: background .12s; }
.tabla tbody tr:hover { background: #f7f9fe; }
.tabla tbody tr:last-child td { border-bottom: 0; }
.tabla .n { text-align: right; font-variant-numeric: tabular-nums; }
.tabla .c { text-align: center; }
.tabla.editable input:not([type=checkbox]), .tabla.editable select { width: 100%; min-width: 120px; }
.apagado { opacity: .55; }
.acciones { white-space: nowrap; }
.acciones a, .acciones form { display: inline; margin-right: .75rem; }

.chip {
  display: inline-flex; align-items: center; padding: .1rem .6rem; border-radius: 999px;
  background: var(--suave-2); color: var(--marino); font-size: .75rem; font-weight: 600;
}
.chip.sd { background: #eef1f5; color: #4f5d6e; }
.estado-activa { background: #e3f4eb; color: var(--ok); }
.estado-reemplazada { background: #fff1d9; color: var(--aviso); }
.estado-anulada { background: #ffe5e2; color: var(--error); }
.estado-activa::before, .estado-reemplazada::before, .estado-anulada::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-right: .4rem;
}

/* Alertas */
.alerta { padding: .8rem 1rem; border-radius: var(--radio-chico); margin-bottom: 1rem; border: 0; border-left: 4px solid; font-size: .9rem; }
.alerta ul { margin: .4rem 0 0; padding-left: 1.2rem; }
.alerta summary { cursor: pointer; font-weight: 600; }
.alerta.error { background: #fdeceb; border-color: var(--error); color: #8c1313; }
.alerta.aviso { background: #fff6e3; border-color: #d99a2b; color: var(--aviso); }
.alerta.ok { background: #e6f5ec; border-color: var(--ok); color: #155c39; }

/* Formularios */
.formulario { display: flex; flex-direction: column; gap: .85rem; }
.formulario label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; font-weight: 600; color: #34404f; }
.formulario.en-linea { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
.formulario.en-linea h2 { flex-basis: 100%; margin-bottom: 0; }
.formulario.angosto { max-width: 440px; }
.ayuda { flex-basis: 100%; margin: 0; font-size: .82rem; }
.acciones-form { display: flex; gap: .5rem; }

/* Ingreso */
.sin-menu {
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(0, 103, 127, .14), transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(11, 84, 131, .16), transparent 45%),
    var(--fondo);
}
.login {
  max-width: 380px; margin: 12vh auto 0; background: var(--panel); border-radius: 16px;
  padding: 2.25rem 2rem 2rem; box-shadow: 0 10px 40px rgba(11, 28, 48, .10); border-top: 4px solid var(--primario);
}
.login-marca { display: flex; align-items: center; gap: .8rem; }
.login-marca .logo { width: 44px; height: 44px; font-size: 1.3rem; border-radius: 12px; }
.login-marca h1 { margin: 0; font-size: 1.35rem; }
.login-marca p { margin: 0; font-size: .8rem; }
.login-intro { margin: 1.5rem 0 1rem; color: var(--muted); font-size: .9rem; }
.login .boton { margin-top: .4rem; padding: .65rem; }

/* Modal */
dialog {
  border: 0; border-radius: 16px; padding: 1.4rem 1.6rem; width: min(760px, calc(100vw - 32px));
  box-shadow: 0 20px 60px rgba(11, 28, 48, .25);
}
dialog::backdrop { background: rgba(11, 28, 48, .45); backdrop-filter: blur(2px); }
.modal-cab { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .5rem; }
.modal-cab h2 { margin: 0; }
.cerrar { font-size: 1.6rem; line-height: 1; color: var(--muted); }

@media (max-width: 900px) {
  .con-menu { padding-left: 0; }
  .lateral {
    position: sticky; top: 0; width: auto; flex-direction: row; flex-wrap: wrap; align-items: center;
    gap: .5rem .75rem; padding: .6rem 16px; box-shadow: 0 1px 0 var(--borde);
  }
  .marca { padding: 0; }
  .marca-texto small, .cuenta-texto, .nav-grupo { display: none; }
  .lateral nav { order: 3; flex-basis: 100%; flex-direction: row; overflow-x: auto; gap: .25rem; }
  .lateral nav a { flex: none; padding: .4rem .65rem; }
  .cuenta { margin-left: auto; background: none; padding: 0; }
  .contenido { padding: 1rem 16px 2.5rem; }
  .graficos { grid-template-columns: 1fr; }
  .tarjeta strong { font-size: 1.6rem; }
}