/* Calendário de dias gravados na capa lateral (fundo night). Um mês por vez, setas trocam o mês. */
.calendario {
    display: grid;
    gap: 0.6rem;
}

.cal-mes[hidden] {
    display: none;
}

.cal-cabeca {
    display: grid;
    grid-template-columns: 2rem 1fr 2rem;
    align-items: center;
    margin-bottom: 0.3rem;
}

.cal-cabeca h3 {
    margin: 0;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 650;
    text-align: center;
}

.cal-passo {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: rgba(219, 229, 238, 0.78);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.cal-passo:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.cal-passo:disabled {
    opacity: 0.3;
    cursor: default;
}

.cal-grade {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 2px;
}

.cal-semana {
    padding-bottom: 0.2rem;
    color: rgba(219, 229, 238, 0.62);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: center;
    text-transform: uppercase;
}

.cal-dia {
    --barra: var(--ftd);
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-size: 0.8125rem;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.cal-dia.sem-gravacao {
    color: rgba(219, 229, 238, 0.34);
    font-weight: 500;
}

.cal-dia.so-arquivo {
    --barra: var(--omie);
}

a.cal-dia:hover {
    background: rgba(255, 255, 255, 0.12);
}

.cal-dia.hoje {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

/* A barra no pé da célula mostra quanto da janela do dia o catálogo cobre */
a.cal-dia::after {
    content: "";
    position: absolute;
    left: 22%;
    bottom: 12%;
    height: 3px;
    width: 56%;
    border-radius: 2px;
    background: var(--barra);
    transform-origin: left;
    transform: scaleX(0.25);
}

a.cal-dia[data-nivel="2"]::after { transform: scaleX(0.5); }
a.cal-dia[data-nivel="3"]::after { transform: scaleX(0.75); }
a.cal-dia[data-nivel="4"]::after { transform: scaleX(1); }

a.cal-dia.atual {
    background: var(--nf);
    color: var(--night);
}

a.cal-dia.atual::after {
    background: var(--night);
}

a.cal-dia:focus-visible,
.cal-passo:focus-visible {
    outline: 2px solid var(--nf);
    outline-offset: 1px;
}

.cal-legenda {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.4rem;
    margin: 0.2rem 0 0;
    color: rgba(219, 229, 238, 0.66);
    font-size: 0.7rem;
}

.cal-chave {
    width: 0.9rem;
    height: 3px;
    border-radius: 2px;
}

.cal-chave.quente { background: var(--ftd); }
.cal-chave.arquivo { background: var(--omie); margin-left: 0.4rem; }
.cal-nota { flex-basis: 100%; }

/* Capa no topo (telas estreitas): o calendário não precisa ocupar a largura toda */
@media (max-width: 1100px) {
    .calendario {
        width: min(100%, 20rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .cal-dia,
    .cal-passo {
        transition: none;
    }
}