/* 共用樣式 */
body {
    font-family: sans-serif;
    transition: background-color 0.3s, color 0.3s;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 10px auto;
    padding: 2px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

h1, h2, p {
    color: inherit; /* 確保標題繼承 body 顏色 */
}

.main-content {
    display: flex;
    gap: 2px;
}

/* 月曆容器樣式 */
.calendar-container {
    flex-basis: 300px;
    border: 1px solid;
    padding: 1px;
    border-radius: 8px;
    /* transition: background-color 0.3s, color 0.3s; */ /* 不需要額外的 transition */
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    text-align: center;
}

.day-header {
    font-weight: bold;
    font-size: 0.9em;
}

.day {
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.2s;
    aspect-ratio: 1 / 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.day:hover {
    background-color: #aaa;
}

.day.today {
    border: 2px solid;
}

.day.has-entry {
    color: red;
    font-weight: bold;
}

.day.selected {
    background-color: #88a;
    color: white;
}

/* 編輯區樣式 */
.editor-section {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

#diary-entry, #search-input {
    min-height: 260px; /* 僅日記區塊需要 */
    padding: 10px;
    margin-bottom: 10px;
    resize: vertical; /* 用户可调整元素的高度 */
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
    font-family: sans-serif; /* 確保輸入框字體一致 */
    font-size: 1.3em;
}

.button-group, .search-group {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
/* 刪除按鈕改紅色系 */
#clear-all-btn,#delete-btn{
    background-color: #cf4b00;
}
#clear-all-btn:hover,#delete-btn:hover{
    background-color: #a35600;
}

button {
    padding: 8px 12px;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: white;
    transition: background-color 0.2s, background-color 0.3s, color 0.3s; /* 增加主題切換的 transition */
}

button:hover {
    background-color: #0056b3;
}

#search-input {
    min-height: auto; /* 重置搜尋框的高度 */
    flex-grow: 1;
}

.results-area {
    margin-top: 10px;
    white-space: pre-wrap;
    word-wrap: break-word;
    border-top: 1px solid; /* 使用 border-color 來繼承主題顏色 */
    padding-top: 10px;
}

/* 淺色主題 (預設) */
body {
    background-color: tan;
    color: #000;
}

.calendar-container, #diary-entry, #search-input, .results-area {
    border-color: #000;
}

.day:hover {
    background-color: lightskyblue;
}

.day.today {
    border-color: #000;
}

/* 深色主題 */
body.dark-mode {
    background-color: #121212;
    color: bisque;
}

body.dark-mode .calendar-container, 
body.dark-mode #diary-entry, 
body.dark-mode #search-input,
body.dark-mode .results-area {
    border-color: #e0e0e0;
}

body.dark-mode .day:hover {
    background-color: SeaGreen;
}

body.dark-mode .day.selected {
    background-color: DarkOliveGreen;
    color: white;
}

body.dark-mode .day.today {
    border-color: #e0e0e0;
}

body.dark-mode #diary-entry, body.dark-mode #search-input {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

body.dark-mode button {
    background-color: #0056b3;
    color: #fff;
}

body.dark-mode button:hover {
    background-color: #007bff;
}


/* --- RWD 自適應樣式 (Media Queries) --- */

@media (max-width: 600px) {
    .main-content {
        flex-direction: column;
    }

    .calendar-container {
        flex-basis: auto;
        width: 100%;
        box-sizing: border-box;
    }

    .container {
        padding: 10px;
    }

    button, #search-input {
        flex: 1 1 auto;
    }
}

/* 搜尋結果關鍵字反白樣式，確保在深色模式下也清晰可見 */
.highlight {
    background-color: hotpink;
    color: black; /* 確保黑色文字在黃色背景上 */
    font-weight: bold;
}