/* ===================================
   カレンダー CSS
   =================================== */

.calendar-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

/* カレンダーナビゲーション */
.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.calendar-nav__title {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--text-primary);
}

.calendar-nav__btn {
    background: var(--bg-card);
    border: 1px solid #ddd;
    padding: 8px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.calendar-nav__btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* カレンダーテーブル */
.calendar-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
}

.calendar-table th {
    padding: 12px 5px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-section);
    border-bottom: 1px solid #eee;
}

.calendar-table th.sun {
    color: var(--status-full);
}

.calendar-table th.sat {
    color: #4a90d9;
}

.calendar-table td {
    padding: 8px 5px;
    text-align: center;
    vertical-align: top;
    height: 80px;
    border: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background 0.2s;
}

.calendar-table td:hover {
    background: var(--accent-soft);
}

.calendar-table td.today {
    background: #FFF8E1;
}

.calendar-table td.selected {
    background: var(--accent-soft);
    border-color: var(--primary);
}

.calendar-table td.past {
    background: #fafafa;
    cursor: default;
    color: #ccc;
}

.calendar-table td.past:hover {
    background: #fafafa;
}

.calendar-table td.other-month {
    color: #ddd;
    cursor: default;
}

.calendar-table td.other-month:hover {
    background: transparent;
}

/* 日付番号 */
.calendar-day {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.calendar-table td.sun .calendar-day {
    color: var(--status-full);
}

.calendar-table td.sat .calendar-day {
    color: #4a90d9;
}

/* 空き状況シンボル */
.calendar-status {
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
}

.calendar-status.available {
    color: var(--status-available);
}

.calendar-status.few {
    color: var(--status-few);
}

.calendar-status.full {
    color: var(--status-full);
}

.calendar-status.holiday {
    color: var(--status-blocked);
    font-size: 13px;
}

.calendar-status.past {
    color: #ddd;
}

/* 凡例 */
.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.calendar-legend__item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.calendar-legend__symbol {
    font-weight: 700;
    font-size: 16px;
}

.calendar-legend__symbol.available { color: var(--status-available); }
.calendar-legend__symbol.few { color: var(--status-few); }
.calendar-legend__symbol.full { color: var(--status-full); }
.calendar-legend__symbol.holiday { color: var(--status-blocked); }

/* 時間帯パネル */
.timeslot-panel {
    margin-top: 30px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    padding: 25px;
    display: none;
}

.timeslot-panel.active {
    display: block;
}

.timeslot-panel__title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.timeslot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.timeslot-item {
    text-align: center;
    padding: 10px 5px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.timeslot-item.available {
    background: #e8f5e9;
    color: #2e7d32;
}

.timeslot-item.blocked {
    background: #f5f5f5;
    color: #bbb;
    text-decoration: line-through;
}

/* ===================================
   レスポンシブ
   =================================== */
@media (max-width: 768px) {
    .calendar-table td {
        height: 60px;
        padding: 5px 2px;
    }

    .calendar-day {
        font-size: 12px;
    }

    .calendar-status {
        font-size: 14px;
    }

    .calendar-nav__title {
        font-size: 18px;
    }

    .calendar-legend {
        flex-wrap: wrap;
        gap: 15px;
    }

    .timeslot-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

@media (max-width: 480px) {
    .calendar-table th {
        padding: 8px 2px;
        font-size: 11px;
    }

    .calendar-table td {
        height: 50px;
    }

    .calendar-day {
        font-size: 11px;
    }

    .calendar-status {
        font-size: 12px;
    }
}