/* ═══════════════════════════════════════════════════════════════════════════
   字體定義
   ═══════════════════════════════════════════════════════════════════════════ */
@font-face {
    font-family: 'Press Start 2P';
    src: url('/assets/font/PressStart2P-Regular.woff2') format('woff2'),
         url('/assets/font/PressStart2P-Regular.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CSS 變數定義
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
    /* Body */
    --color-body-bg: #E6F2E6;
    --color-body-text: #2A1A12;

    /* Header */
    --color-header-bg: #388E3C;
    --color-header-pattern-1: rgba(139, 94, 60, 0.1);
    --color-header-pattern-2: rgba(166, 124, 82, 0.1);

    /* Menu */
    --color-menu-bg: #FFD700;
    --color-menu-text: #2A1A12;
    --color-menu-active-border: #c81a1b;

    /* Content */
    --color-primary: #a0bea2;
    --color-primary-light: #388E3C;
    --color-primary-text: #6A3A1E;
    --color-heading-primary: #4E2A1E;
    --color-heading-secondary: #7A3E1A;
    --color-text-light: #fff9f0;
    --color-text-muted: #8b5e3c;
    --color-text-placeholder: #3b5e3d;
    --color-border: #F1B258;
    --color-bg-card: #ffffff;
    --color-bg-error: #fff5f5;
    --color-content-bg: #fff9f0;
    --color-footer-text: #2A1A12;

    /* Guestbook */
    --color-bg-guestbook: #fff9f0;
    --color-guestbook-accent: #0d4a0d;
    --color-guestbook-border: #A5D6A7;
    --color-guestbook-border-focus: #2E7D32;
    --color-guestbook-link: #C41E3A;
    --color-guestbook-link-hover: #8B0000;
    --color-guestbook-reply-border: #8B0000;

    /* Search */
    --color-search-result-border: #4CAF50;
    --color-search-result-text: #666666;
    --color-search-mark-start: #FFF200;
    --color-search-mark-end: #FFF200;
    --color-search-suggestion-border: #A5D6A7;
    --color-search-suggestion-hover: #E8F5E9;
}

/* ═══════════════════════════════════════════════════════════════════════════
   全局樣式
   ═══════════════════════════════════════════════════════════════════════════ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-body-bg);
    background-image: none;
    font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
    color: var(--color-body-text);
    font-size: 16px;
    line-height: 1.5;
    padding: 15px 15px 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

kbd {
    font-size: 0.8em;
    padding: 0.15rem 0.3rem;
    color: #444;
    background-color: #f5f6f7;
    border: 1px solid #ccd0d5;
    border-radius: 0.2rem;
    box-shadow: inset 0 -1px 0 #ccd0d5;
}

/* ═══════════════════════════════════════════════════════════════════════════
   頭頂招牌
   ═══════════════════════════════════════════════════════════════════════════ */
.header {
    text-align: center;
    background: var(--color-header-bg);
    padding: 25px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    overflow: hidden;
    position: relative;
}

.header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            var(--color-header-pattern-1) 0px,
            var(--color-header-pattern-1) 2px,
            transparent 2px,
            transparent 4px
        ),
        repeating-linear-gradient(
            -45deg,
            var(--color-header-pattern-2) 0px,
            var(--color-header-pattern-2) 2px,
            transparent 2px,
            transparent 4px
        );
}

.header h1 {
    color: var(--color-text-light);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-size: 2.5rem;
    margin: 0;
    z-index: 2;
    position: relative;
}

.welcome-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin: 10px 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   選單列
   ═══════════════════════════════════════════════════════════════════════════ */
.menu {
    background-color: var(--color-menu-bg);
    padding: 15px;
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    align-items: center;
}

.menu a {
    color: var(--color-menu-text);
    text-decoration: none;
    padding: 5px 10px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    z-index: 2;
    font-weight: 700;
}

.menu a:hover, 
.menu a.active {
    border-bottom: 2px solid;
    border-bottom-color: var(--color-menu-active-border);
}

.menu-separator {
    color: var(--color-text-muted);
    user-select: none;
}

/* ═══════════════════════════════════════════════════════════════════════════
   文章列表
   ═══════════════════════════════════════════════════════════════════════════ */
.content {
    max-width: 815px;
    border-radius: 10px;
    margin: 20px auto 0 auto;
    position: relative;
    z-index: 2;
}

.post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post-card {
    padding: 20px;
    background: var(--color-bg-card);
    border-radius: 10px;
    transition: transform 0.2s ease;
}

.post-title {
    color: var(--color-heading-primary);
    font-size: 1.5rem;
    margin-bottom: 10px;
    padding-right: 60px; /* 預留右側空間給節慶圖示 */
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 5px;
    font-weight: bold;
    position: relative;
}

/* 文章標題右側 emoji */
.post-title::after {
    content: "🍵";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

.post-title a {
    color: inherit;
    text-decoration: none;
}

.post-title a:hover {
    color: inherit;
    text-decoration: underline;
}

.post-meta {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    font-weight: bold;
}

.post-content p {
    color: #000000;
    margin-top: 16px;
    line-height: 1.8;
}

.post-content a {
    color: #0000ee;
    text-decoration: none;
}

.post-content a:focus,
.post-content a:hover {
    text-decoration: underline;
}

.post-content ul, 
.post-content ol {
    margin-top: 10px;
    padding-left: 30px;
    list-style-position: outside;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.post-content ul > li > ul, 
.post-content ol > li > ul {
    margin: 8px 0;
}

.post-content ul > li > p, 
.post-content ol > li > p {
    margin: 8px 0;
}

.blog-list li {
    margin-top: 10px;
}

.post-content img {
    max-width: 100%;
    max-height: 100%;
    height: auto;
    width: auto;
    padding: 6px;
    margin-top: 14px;
}

.post-content video {
    max-width: 100%;
    height: auto;
    margin-top: 14px;
}

.post-content figure {
    margin: 1rem auto;
    text-align: center;
}

/* 標題樣式 */
.post-content h3 {
    margin: 1.2em 0 0.5em 0;
    color: var(--color-heading-secondary);
    font-size: 1.3rem;
}

.post-content h4 {
    margin: 1.2em 0 0.4em 0;
    color: var(--color-heading-secondary);
    font-size: 1.1rem;
}

/* 程式碼區塊 */
.post-content code {
    background-color: #f5f5f5;
    border: 1px solid #dddddd;
    border-radius: 4px;
    padding: 3px 5px;
    font-family: monospace;
    /*white-space: pre-wrap;*/
    word-wrap: break-word;
}

.post-content pre code {
    background-color: #fafafa;
    color: #333333;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 16px 0;
    font-family: "Fira Code", Consolas, monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    display: block;
    overflow-x: auto;
}

/* 引用區塊 */
.post-content blockquote {
    border-left: 4px solid var(--color-border);
    padding-left: 1em;
    margin-left: 0;
}

/* 表格 */
.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
    font-size: 0.95rem;
    background-color: #fffef9;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}

.post-content thead {
    background-color: #f7e7d3;
    color: var(--color-body-text);
}

.post-content thead th {
    text-align: left;
    padding: 12px 16px;
    font-weight: bold;
    border-bottom: 1px solid var(--color-border);
}

.post-content tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid #f0e0cb;
    color: #333333;
}

.post-content tbody tr:nth-child(even) {
    background-color: #fdf6ef;
}

.post-content tbody tr:hover {
    background-color: #f3e7d9;
}

/* 分隔線 */
.post-content hr {
    border: 0;
    height: 0;
    border-top: 2px dashed var(--color-border);
    margin: 18px 0;
    opacity: 0.9;
}

/* ═══════════════════════════════════════════════════════════════════════════
   分頁（索引頁）
   ═══════════════════════════════════════════════════════════════════════════ */
.pagination {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding-top: 20px;
}

.pagination a {
    color: var(--color-primary-light);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 8px;
    background-color: var(--color-bg-card);
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pagination a:hover {
    background-color: var(--color-primary-light);
    color: var(--color-bg-card);
    box-shadow: 0 4px 8px rgba(22, 91, 51, 0.3);
}

.pagination a.disabled {
    color: #999999;
    background-color: #f5f5f5;
    border-color: #dddddd;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════════════════
   底部資訊
   ═══════════════════════════════════════════════════════════════════════════ */
.footer {
    padding: 15px 0px;
    text-align: center;
    color: var(--color-footer-text);
    font-size: 0.95rem;
    font-weight: bold;
}

/* ═══════════════════════════════════════════════════════════════════════════
   搜尋功能樣式
   ═══════════════════════════════════════════════════════════════════════════ */
.search-container {
    position: relative;
    margin-bottom: 0;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

#searchBox {
    flex: 1;
    min-width: 200px;
    max-width: 500px;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--color-search-result-border);
    border-radius: 6px;
    background-color: var(--color-bg-card);
    color: var(--color-body-text);
    outline: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#searchBox:focus {
    border-color: var(--color-search-result-border);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.25);
    transform: translateY(-1px);
}

#searchBox:focus::placeholder {
    opacity: 0;
    transition: opacity 0.2s ease;
}

#searchBox::placeholder {
    color: var(--color-text-placeholder);
    font-style: italic;
    transition: opacity 0.2s ease;
}

#results {
    list-style: none;
    margin-top: 0;
    padding: 0;
}

#results:not(:empty) {
    margin-top: 20px;
}

#results li {
    background: var(--color-bg-card);
    margin-bottom: 12px;
    padding: 16px 20px;
    border-radius: 8px;
    border: 1px solid var(--color-search-result-border);
    border-left: 4px solid var(--color-search-result-border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

#results li::before {
    content: none;
}

#results li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: var(--color-search-result-border);
}

#results li a {
    color: var(--color-body-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

#results li a:hover {
    color: var(--color-body-text);
    text-decoration: underline;
}

#results li p {
    color: var(--color-search-result-text);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

#results li .result-date {
    color: var(--color-text-placeholder);
    font-size: 0.9rem;
    position: absolute;
    top: 16px;
    right: 20px;
    margin: 0;
    font-weight: bold;
}

#results li mark {
    background: var(--color-search-mark-start);
    color: var(--color-body-text);
    border-radius: 1px;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.search-empty {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: 40px 20px;
    background: var(--color-bg-guestbook);
    border-radius: 8px;
}

.search-loading {
    text-align: center;
    color: var(--color-text-dark);
    padding: 20px;
    font-style: italic;
}

.search-stats {
    color: var(--color-text-dark);
    font-size: 0.9rem;
    margin-top: 0;
    text-align: center;
    font-style: italic;
    display: none;
}

.search-stats:not(:empty) {
    display: block;
    margin-top: 10px;
}

/* 搜尋建議樣式 */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    max-height: 200px;
    overflow-y: auto;
}

.search-suggestion {
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--color-search-suggestion-border);
    transition: background-color 0.2s ease;
}

.search-suggestion:hover {
    background-color: var(--color-search-suggestion-hover);
}

.search-suggestion:last-child {
    border-bottom: none;
}

/* ═══════════════════════════════════════════════════════════════════════════
   留言板樣式
   ═══════════════════════════════════════════════════════════════════════════ */

/* 留言板表單 */
#guestbooks___guestbook-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 輸入框容器 */
.guestbooks___input-container,
#guestbooks___challenge-answer-container {
    display: flex;
    flex-direction: column;
}

/* 驗證碼容器間距 */
#guestbooks___challenge-answer-container {
    gap: 8px;
}

/* 所有輸入框和文字區域（共用樣式） */
#guestbooks___guestbook-form input,
#guestbooks___guestbook-form textarea,
#guestbooks___challenge-answer-container input {
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--color-guestbook-border);
    border-radius: 6px;
    outline: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-family: inherit;
}

/* 文字區域行高 */
#guestbooks___guestbook-form textarea {
    line-height: 1.6;
}

/* 輸入框和文字區域焦點狀態 */
#guestbooks___guestbook-form input:focus,
#guestbooks___guestbook-form textarea:focus,
#guestbooks___challenge-answer-container input:focus {
    border: 2px solid var(--color-guestbook-border-focus);
}

/* 輸入框和文字區域佔位符文字 */
#guestbooks___guestbook-form input::placeholder,
#guestbooks___guestbook-form textarea::placeholder,
#guestbooks___challenge-answer-container input::placeholder {
    color: var(--color-text-placeholder);
    font-style: italic;
    opacity: 0.7;
    font-weight: bold;
}

/* 提交按鈕 */
#guestbooks___guestbook-form button[type="submit"] {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-bg-card);
    background-color: var(--color-primary-light);
    border: 2px solid var(--color-primary-light);
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-family: inherit;
}

/* 錯誤訊息 */
#guestbooks___error-message {
    color: var(--color-primary-text);
    font-size: 0.9rem;
    margin-top: 8px;
    padding: 8px 12px;
    background-color: var(--color-bg-error);
    border-left: 4px solid var(--color-primary-text);
    border-radius: 4px;
    display: none;
}

/* 錯誤訊息顯示（當有內容時） */
#guestbooks___error-message:not(:empty) {
    display: block;
}

/* 留言標題 */
#guestbooks___guestbook-messages-header {
    color: var(--color-guestbook-accent);
    font-size: 1.3rem;
    font-weight: bold;
}

/* 留言容器 */
#guestbooks___guestbook-messages-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

/* 單則留言 */
#guestbooks___guestbook-messages-container .guestbook-message {
    padding: 16px 20px;
    border: 1px solid var(--color-primary);
    border-left: 3px solid var(--color-guestbook-accent);
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* 留言標題區塊（包含名稱和日期） */
#guestbooks___guestbook-messages-container .guestbook-message p {
    margin-bottom: 12px;
}

#guestbooks___guestbook-messages-container .guestbook-message p b {
    font-size: 0.9rem;
}

/* 留言者名稱連結 */
#guestbooks___guestbook-messages-container .guestbook-message p b a,
#guestbooks___guestbook-made-with a {
    color: var(--color-guestbook-link);
}

/* 留言者名稱連結懸停狀態 */
#guestbooks___guestbook-messages-container .guestbook-message p b a:hover,
#guestbooks___guestbook-made-with a:hover {
    color: var(--color-guestbook-link-hover);
}

/* 留言日期 */
#guestbooks___guestbook-messages-container .guestbook-message p small {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* 留言內容 */
#guestbooks___guestbook-messages-container .guestbook-message blockquote {
    line-height: 1.8;
    white-space: pre-wrap;
}

/* 回覆留言 */
#guestbooks___guestbook-messages-container .guestbook-message-reply {
    margin-left: 60px;
    margin-top: -20px;
    border-left: 3px solid var(--color-guestbook-reply-border);
    border-top: none;
}

/* ═══════════════════════════════════════════════════════════════════════════
   動畫效果
   ═══════════════════════════════════════════════════════════════════════════ */
/* 雪花飄落動畫 */
/* .snowflake {
    position: fixed;
    top: -10px;
    color: var(--color-bg-card);
    font-size: 1em;
    font-family: Arial, sans-serif;
    text-shadow: 0 0 5px var(--color-bg-card);
    pointer-events: none;
    z-index: 1;
    animation: fall linear infinite;
}

@keyframes fall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0.3;
    }
} */

/* ═══════════════════════════════════════════════════════════════════════════
   復古遊戲截圖樣式
   ═══════════════════════════════════════════════════════════════════════════ */
.retro-screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.retro-game-item {
    text-align: center;
}

.retro-game-item img {
    max-width: 100%;
    height: auto;
    border: 1px solid #dddddd;
    padding: 5px;
    transition: all 0.2s ease;
}

.retro-game-item p {
    margin: 5px 0 0 0;
    font-size: 8px;
}

.retro-game-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.retro-gallery {
    font-family: 'Press Start 2P';
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.retro-gallery .subtitle {
    font-size: 16px;
    color: var(--color-heading-secondary);
    margin: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   影片收藏樣式
   ═══════════════════════════════════════════════════════════════════════════ */
.gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.gallery-item img {
    max-width: 90%;
    height: auto;
    border: 1px solid #dddddd;
    padding: 5px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* 手機 */
@media (max-width: 800px) {
    .gallery {
        grid-template-columns: 1fr;
    }
}


/* ═══════════════════════════════════════════════════════════════════════════
   響應式設計
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
    body {
        padding: 15px 7px 0;
    }

    .post-card {
        padding: 15px;
    }
}