/**
 * Theme Name: シンプル
 */

/* ===== ★★★★★ 修正: ナビゲーションボタンを記号表示に変更 ★★★★★ ===== */
.my-calendar-theme-simple .calendar-header button.calendar-nav-button {
    background-color: #f0f0f0;
    color: #555;
    border: 1px solid #ddd;
    padding: 0;
    width: 32px;
    height: 32px;
    position: relative;
    font-size: 0; /* テキストを非表示にする */
}
.my-calendar-theme-simple .calendar-header button.calendar-nav-button:hover {
    background-color: #e0e0e0;
}
/* ::before疑似要素で矢印を生成 */
.my-calendar-theme-simple .calendar-header button.calendar-nav-button::before {
    font-size: 18px;
    font-weight: bold;
    line-height: 1;
}
.my-calendar-theme-simple .calendar-header .prev-month::before {
    content: '<';
}
.my-calendar-theme-simple .calendar-header .next-month::before {
    content: '>';
}
.my-calendar-theme-simple .calendar-header .button-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== ヘッダーレイアウト調整 ===== */
.my-calendar-theme-simple .calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.my-calendar-theme-simple .calendar-header h2 {
    font-size: 1.6em;
}

/* ===== 曜日ヘッダー ===== */
.my-calendar-theme-simple .calendar-table th {
    border: none; 
    font-size: 0.75em; 
    color: #666;
    padding: 8px 5px;
}

/* ===== 「本日」の丸 ===== */
.my-calendar-theme-simple .calendar-table td.today .date-number {
    width: 20px; 
    height: 20px;
    line-height: 20px;
    font-size: 0.85em;
}