/* ------ カラオケ枠予約カレンダー 月表示 ------ */

/* ====== ページ全体 ====== */
.biscord-calendar-page {
    max-width: 960px;
    --color-text-sub: #6c757d;
}

/* ====== カレンダー外枠 ====== */
.cal-month {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.cal-month__header {
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.cal-month__page-title {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
}

.cal-month__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cal-month__title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    flex: 1;
    text-align: center;
}

.cal-month__nav-prev,
.cal-month__nav-next {
    background: transparent;
    border: 1px solid var(--color-text-light);
    color: var(--color-text-light);
    border-radius: var(--border-radius);
    min-width: 2.5rem;
    height: 2rem;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s ease;
}

.cal-month__nav-prev:hover,
.cal-month__nav-next:hover {
    opacity: 0.75;
}

.cal-month__loading,
.cal-month__error {
    padding: 2rem;
    text-align: center;
    color: var(--color-text-sub);
}

.cal-month__error {
    color: #E74C3C;
}

.cal-month__hint {
    margin: 0;
    padding: 0.75rem 1rem;
    background-color: #fafafa;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-sub);
    font-size: 0.85em;
    text-align: center;
}


/* ====== カレンダーグリッド ====== */
.cal-month__grid {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.cal-month__weekday {
    padding: 0.5rem;
    background-color: #f7f7f7;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.85em;
    color: var(--color-text-dark);
}

.cal-month__weekday--sun {
    color: #E74C3C;
}

.cal-month__weekday--sat {
    color: #2196F3;
}


/* ====== セル ====== */
.cal-cell {
    height: 5rem;
    padding: 0.4rem;
    border: 1px solid var(--color-border);
    vertical-align: top;
    background-color: var(--color-bg-light);
    transition: background-color 0.2s ease;
}

.cal-cell--out {
    background-color: #fafafa;
    color: var(--color-text-sub);
}

.cal-cell--today .cal-cell__date {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border-radius: 50%;
    width: 1.6rem;
    height: 1.6rem;
    text-align: center;
    line-height: 1.6rem;
    font-weight: 700;
}

.cal-cell--past,
.cal-cell--over-limit {
    background-color: #f5f5f5;
    color: var(--color-text-sub);
}

.cal-cell--clickable {
    cursor: pointer;
}

.cal-cell--clickable:hover {
    background-color: color-mix(in srgb, var(--color-accent) 5%, transparent);
}

.cal-cell--clickable:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.cal-cell__date {
    font-weight: 600;
}

.cal-cell__count {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.75em;
    color: var(--color-accent);
    font-weight: 600;
}


/* ====== レスポンシブ ====== */
@media (max-width: 768px) {
    .cal-month__header {
        padding: 0.75rem 1rem;
    }
    .cal-month__title {
        font-size: 1rem;
    }
    .cal-cell {
        height: 3.5rem;
        padding: 0.2rem;
        font-size: 0.85em;
    }
    .cal-cell--today .cal-cell__date {
        width: 1.3rem;
        height: 1.3rem;
        line-height: 1.3rem;
    }
    .cal-cell__count {
        font-size: 0.7em;
    }

}