:root {
  --fondo: #f3f5f8; --papel: #fff; --texto: #1b2430; --suave: #5b6878; --borde: #dde3ea;
  --marca: #14365d; --marca2: #1f5a96; --acento: #e2001a;
  --rojo: #c62828; --rojo-f: #fde8e8; --ambar: #8a5a00; --ambar-f: #fff1d6; --verde: #1e7a3c; --verde-f: #e3f5e8;
  --azul: #1f5a96; --azul-f: #e3eefa; --gris: #5b6878; --gris-f: #eceff3;
  --radio: 10px; --sombra: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #10151c; --papel: #19212b; --texto: #e6ebf1; --suave: #9aa7b6; --borde: #2a3542;
    --marca: #0d243f; --marca2: #6aa7e6;
    --rojo: #ff8a80; --rojo-f: #3a1f22; --ambar: #ffcc66; --ambar-f: #3a2f17; --verde: #7fd99a; --verde-f: #193222;
    --azul: #8cc0f5; --azul-f: #182c42; --gris: #aab6c3; --gris-f: #26303c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--fondo); color: var(--texto); }
a { color: var(--marca2); }
h1 { font-size: 1.45rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 1.6rem 0 .6rem; }

/* Cabecera */
.cab { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 1rem; padding: .55rem 1rem;
  background: var(--marca); color: #fff; }
.marca { color: #fff; text-decoration: none; font-weight: 700; display: flex; align-items: center; gap: .5rem; white-space: nowrap; }
.marca img { width: 28px; height: 28px; }
.menu { display: flex; gap: .2rem; }
.menu a { color: #dfe8f3; text-decoration: none; padding: .45rem .7rem; border-radius: 8px; display: flex; align-items: center; gap: .4rem; }
.menu a.activo, .menu a:hover { background: rgba(255,255,255,.14); color: #fff; }
.menu svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.buscar { flex: 1; max-width: 360px; margin-left: auto; }
.buscar input { width: 100%; padding: .45rem .7rem; border-radius: 8px; border: 0; background: rgba(255,255,255,.15); color: #fff; }
.buscar input::placeholder { color: #c7d4e3; }
.usuario a { color: #fff; text-decoration: none; white-space: nowrap; }
.inicial { display: none; width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.18); place-items: center; font-weight: 700; }
.mas { display: contents; }
.mas > summary { display: none; }
body:has(form.form) .fab { display: none; }

main { max-width: 1150px; margin: 0 auto; padding: 1.2rem 1rem 6rem; }
main.solo { min-height: 100vh; display: grid; place-items: center; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .3rem; background: var(--marca2); color: #fff; border: 0;
  border-radius: 8px; padding: .55rem 1rem; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; min-height: 42px; }
.btn:hover { filter: brightness(1.08); }
.btn.sec { background: var(--papel); color: var(--texto); border: 1px solid var(--borde); font-weight: 500; }
.btn.rojo { background: var(--rojo); }
.btn.peq { padding: .3rem .65rem; min-height: 34px; font-size: .9rem; }
.titulo { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.botones { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Avisos */
.aviso { padding: .7rem 1rem; border-radius: var(--radio); margin-bottom: 1rem; background: var(--verde-f); color: var(--verde); }
.aviso.error { background: var(--rojo-f); color: var(--rojo); }

/* Formularios */
input, select, textarea { font: inherit; color: var(--texto); background: var(--papel); border: 1px solid var(--borde); border-radius: 8px;
  padding: .5rem .65rem; min-height: 42px; max-width: 100%; }
textarea { width: 100%; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--marca2); outline-offset: 0; border-color: transparent; }
.form { background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem; box-shadow: var(--sombra); }
.form.estrecho { max-width: 460px; }
.form label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .92rem; margin-bottom: .7rem; }
.form label input, .form label select { width: 100%; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0 1rem; }
.rejilla .ancho { grid-column: 1 / -1; }
.acciones { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .4rem; }
.filtros { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .6rem; }
.filtros input[type=search] { flex: 1; min-width: 200px; }
.peq { font-size: .9rem; }
.chk { display: flex; align-items: center; gap: .35rem; }
.chk input { min-height: auto; }
.rapido { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-top: .8rem; }
.rapido.form { margin-top: .6rem; }
.peligro { margin-top: 1.5rem; }

/* Listas y fichas */
.lista { display: flex; flex-direction: column; gap: .5rem; }
.fila { display: block; background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: .7rem .9rem;
  color: inherit; text-decoration: none; box-shadow: var(--sombra); }
a.fila:hover { border-color: var(--marca2); }
.fila-cab { display: flex; justify-content: space-between; align-items: flex-start; gap: .6rem; }
.fila-meta { color: var(--suave); font-size: .88rem; margin-top: .15rem; }
.fila-txt { margin-top: .3rem; font-size: .95rem; }
.vacio { color: var(--suave); padding: .5rem 0; }
.gris-t { color: var(--suave); font-size: .9rem; font-weight: 400; }
.rojo-t { color: var(--rojo); font-weight: 600; }
.etq { display: inline-block; font-size: .78rem; font-weight: 600; padding: .12rem .5rem; border-radius: 999px; white-space: nowrap; }
.etq.rojo { background: var(--rojo-f); color: var(--rojo); } .etq.ambar { background: var(--ambar-f); color: var(--ambar); }
.etq.verde { background: var(--verde-f); color: var(--verde); } .etq.azul { background: var(--azul-f); color: var(--azul); }
.etq.gris { background: var(--gris-f); color: var(--gris); }
.ficha { background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem; box-shadow: var(--sombra); }
.ficha dl { display: grid; grid-template-columns: 170px 1fr; gap: .45rem 1rem; margin: 0; }
.ficha dt { color: var(--suave); font-size: .92rem; }
.ficha dd { margin: 0; overflow-wrap: anywhere; }
.grupo { background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: .6rem .9rem; }
.grupo summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.grupo .fila { margin-top: .5rem; box-shadow: none; }
.registro { color: var(--suave); font-size: .88rem; padding-left: 1.1rem; }
details > summary { cursor: pointer; }
.mezclar { margin-top: 2rem; color: var(--suave); }

/* Tareas */
.tarea { display: flex; gap: .7rem; align-items: flex-start; }
.tarea form { margin: 0; }
.tarea-txt { flex: 1; color: inherit; text-decoration: none; }
.check { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--marca2); background: transparent; color: var(--verde);
  font-weight: 700; cursor: pointer; padding: 0; }
.tarea.hecha .tarea-txt strong { text-decoration: line-through; color: var(--suave); }
.tarea.hecha .check { border-color: var(--verde); }

/* Conversación */
.hilo { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1rem; }
.msg { background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: .7rem .9rem; max-width: 85%; }
.msg.respuesta { align-self: flex-end; background: var(--azul-f); }
.msg.nota { align-self: center; background: var(--ambar-f); max-width: 95%; }
.msg-cab { font-size: .8rem; color: var(--suave); margin-bottom: .3rem; }

/* Inicio */
.cifras { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .6rem; margin-bottom: .5rem; }
.cifra { background: var(--papel); border: 1px solid var(--borde); border-radius: var(--radio); padding: .8rem; text-decoration: none; color: inherit; box-shadow: var(--sombra); }
.cifra b { display: block; font-size: 1.7rem; color: var(--marca2); }
.cifra span { color: var(--suave); font-size: .88rem; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

/* Entrar */
.caja-entrar { background: var(--papel); padding: 2rem; border-radius: 14px; box-shadow: var(--sombra); width: min(380px, 100%); display: flex; flex-direction: column; gap: .8rem; }
.caja-entrar h1 { text-align: center; }
.caja-entrar label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; }
.logo-entrar { width: 64px; height: 64px; margin: 0 auto; }

/* Botón flotante y menú de móvil */
.fab { display: none; }
.menu-movil { display: none; }

@media (max-width: 900px) {
  .cab .menu, .nombre-u { display: none; }
  .inicial { display: grid; }
  .mas { display: block; flex: 1 1 100%; }
  .mas > summary { display: list-item; color: var(--suave); font-size: .92rem; padding: .2rem 0; }
  .mas[open] { display: flex; flex-wrap: wrap; gap: .5rem; }
  .mas[open] > summary { flex: 1 1 100%; }
  .cab { gap: .6rem; }
  .buscar { max-width: none; }
  .dos { grid-template-columns: 1fr; }
  .menu-movil { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 10; background: var(--papel); border-top: 1px solid var(--borde);
    justify-content: space-around; padding: .3rem 0 calc(.3rem + env(safe-area-inset-bottom)); }
  .menu-movil a { flex: 1; color: var(--suave); text-decoration: none; display: flex; flex-direction: column; align-items: center; font-size: .72rem; gap: .1rem; padding: .2rem 0; }
  .menu-movil a.activo { color: var(--marca2); font-weight: 600; }
  .menu-movil svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .fab { display: grid; place-items: center; position: fixed; right: 16px; bottom: calc(72px + env(safe-area-inset-bottom)); z-index: 11;
    width: 56px; height: 56px; border-radius: 50%; background: var(--acento); color: #fff; font-size: 2rem; text-decoration: none; box-shadow: 0 4px 12px rgba(0,0,0,.25); }
}
@media (max-width: 600px) {
  main { padding: 1rem 16px 7rem; }
  .marca span, .marca { font-size: .95rem; }
  .ficha dl { grid-template-columns: 1fr; gap: .1rem; }
  .ficha dd { margin-bottom: .5rem; }
  .filtros > * { flex: 1 1 100%; }
  .filtros .chk, .filtros label.peq { flex: 1 1 45%; }
  .msg { max-width: 100%; }
}