:root {
    --papel: #f3efe6;
    --tinta: #1c1915;
    --suave: #5c564c;
    --linea: #ddd4c4;
    --ficha: #fffdf8;
    --rojo: #8e1d1d;
    --rojo-suave: #f6e7e4;
    --ok: #1e5c3a;
    color-scheme: light;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--papel);
    color: var(--tinta);
    font: 16px/1.45 "Liberation Sans", "Segoe UI", sans-serif;
}

.cabecera {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.4rem 1.6rem 1.1rem;
    border-bottom: 1px solid var(--linea);
}

.marca {
    margin: 0;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--rojo);
}

h1, h2, h3 { font-family: "Liberation Serif", Palatino, "Palatino Linotype", serif; font-weight: 600; }

h1 { margin: 0.15rem 0 0; font-size: 1.7rem; line-height: 1.15; max-width: 36rem; }

.limite { max-width: 28rem; margin: 0.4rem 0 0; color: var(--suave); font-size: 0.92rem; }

.rejilla {
    display: grid;
    grid-template-columns: 20rem 1fr;
    gap: 1.2rem;
    padding: 1.2rem 1.6rem 3rem;
    align-items: start;
}

.panel, .pieza, .grupo {
    background: var(--ficha);
    border: 1px solid var(--linea);
}

.panel { padding: 1rem 1rem 1.1rem; position: sticky; top: 0.6rem; }

h2 { margin: 0 0 0.8rem; font-size: 1.25rem; }

label, legend { display: block; font-size: 0.82rem; margin: 0.7rem 0 0.25rem; }

label[hidden], input[hidden] { display: none; }

input, select, textarea {
    width: 100%;
    border: 1px solid var(--linea);
    background: #fff;
    color: var(--tinta);
    font: inherit;
    padding: 0.45rem 0.5rem;
}

textarea { resize: vertical; }

fieldset { border: 1px solid var(--linea); margin: 0.9rem 0 0; padding: 0.4rem 0.7rem 0.8rem; }

.nota, .estado, .porque, .aviso { color: var(--suave); font-size: 0.88rem; }

.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

.meta { display: grid; gap: 0.45rem; margin-bottom: 0.4rem; }

.meta button, .meta a.boton {
    display: inline-block;
    width: auto;
    background: transparent;
    color: var(--tinta);
    border: 1px solid var(--linea);
    padding: 0.4rem 0.6rem;
    text-decoration: none;
    cursor: pointer;
}

button, .enlace {
    font: inherit;
}

button[type="submit"], .elegir, .copiar {
    background: var(--tinta);
    color: #fff;
    border: 0;
    padding: 0.55rem 0.8rem;
    cursor: pointer;
}

button[type="submit"] { margin-top: 0.9rem; width: 100%; }

button:disabled { opacity: 0.55; cursor: wait; }

.fuentes { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.8rem; }

.fuente {
    font-size: 0.78rem;
    border: 1px solid var(--linea);
    padding: 0.2rem 0.45rem;
    background: var(--ficha);
}

.fuente.mal { border-color: var(--rojo); color: var(--rojo); }

.grupo { margin-bottom: 0.8rem; }

.grupo h2 { font-size: 1.05rem; padding: 0.7rem 0.9rem 0; }

.vacio { margin: 0; padding: 0 0.9rem 0.8rem; color: var(--suave); }

.tema {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.7rem;
    padding: 0.75rem 0.9rem;
    border-top: 1px solid var(--linea);
}

.tema h3 { margin: 0; font-size: 1.05rem; }

.viral { margin-top: 0.45rem; max-width: 36rem; }

.viral-cabeza { display: flex; justify-content: space-between; gap: 0.8rem; font-size: 0.78rem; }

.viral-nivel { font-weight: 700; }

.viral-barra { height: 0.4rem; margin-top: 0.2rem; background: var(--linea); }

.viral-barra span { display: block; height: 100%; background: var(--tinta); }

.viral p { margin: 0.28rem 0 0; color: var(--suave); font-size: 0.86rem; }

.meta { margin: 0.2rem 0 0; font-size: 0.8rem; color: var(--suave); }

.elegir { align-self: center; }

.relacionados { margin: 0.35rem 0 0; padding-left: 1.1rem; color: var(--suave); font-size: 0.88rem; }

.pieza { padding: 1rem 1.1rem 1.3rem; }

.pieza h2 { font-size: 1.45rem; }

.avisos { margin: 0.4rem 0 0.8rem; padding-left: 1.1rem; }

.avisos li { margin: 0.25rem 0; }

ol.tareas { margin: 0.3rem 0 0; padding-left: 0; list-style: none; }

.tareas li { margin: 0.35rem 0; }

.tareas label { display: flex; gap: 0.5rem; margin: 0; font-size: 1rem; }

.busquedas, .cuentas { list-style: none; padding: 0; margin: 0.3rem 0 0; }

.busquedas a, .cuentas a, .origen { color: var(--rojo); }

.bloque { margin: 0.7rem 0; }

.bloque h3 { margin: 0 0 0.2rem; font-size: 1rem; }

.formato { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

.formato article, .mensaje {
    border: 1px solid var(--linea);
    padding: 0.6rem 0.7rem;
    background: #fff;
}

.mensaje { margin-top: 0.6rem; white-space: pre-wrap; }

.anadir { display: flex; gap: 0.4rem; margin-top: 0.6rem; }

.anadir input { flex: 1; }

.copiar { margin-top: 0.8rem; }

@media (max-width: 860px) {
    .cabecera, .rejilla { display: block; }
    .panel { position: static; margin-bottom: 1rem; }
    .formato { grid-template-columns: 1fr; }
    .tema { grid-template-columns: 1fr; }
}

@media print {
    .cabecera p.limite, .panel, .fuentes, .grupo, .copiar, .anadir { display: none; }
    .pieza { border: 0; }
    body { background: #fff; }
}