/* ============================================================= */
/* 顏色變數與全域基本設定 */
/* ============================================================= */
:root {
    /* 預設根字體大小，瀏覽器通常為 16px */
    font-size: 100%; 

    /* 主題色彩變數 */
    --catCream: #FFF8EA;         /* 淺米色（主要背景） */
    --catOrange: #F4A261;        /* 亮橘色（強調色、按鈕） */
    --catBrown: #5A3E36;         /* 深棕色（文字、導覽背景） */
    --catGrayBase: #AAAAAA;      /* 基礎灰色 */
    --catGrayHover: #C0C0C0;     /* 懸停灰色 */
}

body {
    font-family: 'Arial', 'Microsoft JhengHei', sans-serif;
    background-color: var(--catCream); /* 頁面背景色 */
    color: var(--catBrown);            /* 預設文字色 */
    margin: 0;
    padding: 0;
    line-height: 1.6;                  /* 行高 */
}

h1, h2 {
    color: var(--catBrown);
    font-weight: 700;
}

h1{
    text-align: center;
}

section {
    padding: 1.25rem 1.25rem; /* 內邊距（20px） */
    margin: 0 auto;           /* 區塊置中 */
    max-width: 75rem;         /* 最大寬度 1200px */
}


/* ============================================================= */
/* Logo 與圖片尺寸控制 */
/* ============================================================= */

/* Logo 外層容器，避免圖片溢出 */
.navbar .logo {
    display: inline-block; 
}

/* 反相顏色，使其適合深背景 */
img.site-logo {
    filter: invert(1);
}

/* Logo 圖片本身尺寸 */
.site-logo {
    display: block;
    height: 2.5rem;            /* 桌面版高度 40px */
    width: auto;
    max-width: 100%;
    transition: opacity 0.3s;
}
@media (max-width: 60rem){

    .site-logo {
        height: 1.875rem; /* 手機版高度 30px */
    }

    .nav-links {
        position: absolute;
        top: 3.4375rem;             /* 放置於導航列下方 */
        left: 0;
        width: 100%;
        
        flex-direction: column;     /* 垂直排列 */
        background-color: var(--catBrown);
        
        /* 初始隱藏狀態 */
        transform: translateX(-100%); 
        transition: transform 0.3s ease-in-out;
    }

    /* 顯示選單的狀態 */
    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links li {
        text-align: center;                              /* 文字置中 */
        border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.1);
        width: 100%;                                     /* 滿版寬度 */
    }

    .nav-links a {
        display: block;                                  /* 擴大點擊區 */
        padding: 0.9375rem 0;                            /* 上下 15px */
    }
}

/* ============================================================= */
/* 導覽列 */
/* ============================================================= */
.navbar {
    background-color: var(--catBrown);
    padding: 0.625rem 3.125rem;  /* 導覽內距 */
    display: flex;
    justify-content: space-between; /* 左右分布（Logo + 選單） */
    align-items: center;            /* 垂直置中 */
    position: sticky;               /* 捲動時固定頂部 */
    top: 0;
    z-index: 1000;                 
    box-shadow: 0 0.125rem 0.3125rem rgba(0, 0, 0, 0.2);
}

.navbar .logo {
    font-size: 1.6em;
    font-weight: bold;
    color: var(--catOrange);
    text-decoration: none;
}

.nav-links {
    display: flex;     /* 水平排列 */
    list-style: none;  /* 移除列表點 */
    padding: 0;
    margin: 0;
}

.nav-links a {
    color: var(--catCream); 
    text-decoration: none;
    padding: 0.9375rem 1.25rem;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

.active-nav{
    background-color: rgba(255, 255, 255, 0.2);
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.hamburger {
    display: none; 
    cursor: pointer;
    padding: 0.625rem; /* 增加可點擊區 */
}

.bar {
    display: block;
    width: 1.5625rem;
    height: 0.1875rem;
    margin: 0.3125rem auto;
    background-color: var(--catCream);
    transition: all 0.3s ease-in-out;
}

code {
    background-color: var(--catCream);
    border: 1px solid var(--catBrown);
    padding: 1px 2px;
    border-radius: 5px;
    margin: 0 3px;
}

footer{
    margin-top: 2rem;
    text-align: center; 
    padding: 20px; 
    background-color: var(--catBrown); 
    color: var(--catCream);
}


/* ============================================================= */
/*  index.html  */
/* ============================================================= */

/* ---------------------------------------- Call to Action 按鈕  */
.cta-button {
    width: 100%;
    display: inline-block;
    background-color: var(--catOrange);
    color: var(--catCream);
    padding: 0.8rem 0;
    margin: 1rem 0;
    text-decoration: none;
    border-radius: 1rem;
    font-size: 1.2em;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.1s;
}
.cta-button:hover {
    background-color: #e09252;         /* 懸停加深 */
    transform: translateY(-0.125rem);  /* 微浮效果 */
}

/* ---------------------------------------- 主媒體展示區  */
.main-media-viewer {
    position: relative;
    width: 100%; 
    max-width: none; 
    margin: 0 auto 0.9375rem; 
    padding-bottom: 56.25%;     /* 固定 16:9 比例 */
    height: 0;
    overflow: hidden;
    background-color: #000;
    border-radius: 0.75rem; 
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.2); 
}

/* ---------------------------------------- 圖片與影片填滿並保持比例  */
.main-media-viewer video,
.main-media-viewer img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ---------------------------------------- 產品頁雙欄佈局（媒體 + 摘要） */

.media-summary-container {
    margin: 0 auto;
    max-width: 75rem;
    padding: 2.5rem; 
    display: flex;
    gap: 1.875rem;
    align-items: flex-start;
}

.media-column {
    flex: 3;      
    min-width: 0;
}

.summary-column {
    flex: 1.5;
    background-color: var(--catCream); 
    border-radius: 0.5rem;
}

.summary-column h1 {
    font-size: 1.8em;
    margin-top: 0;
}

.game-details p {
    margin: 0.5rem 0;
    padding: 0.25rem 0;
    border-bottom: 1px dotted var(--catGrayBase);
    font-size: 0.95em;
}

/* ---------------------------------------- 縮圖橫向滾動列（Thumbnail Gallery） */

.thumbnail-gallery-scroll {
    display: flex;
    overflow-x: auto;
    gap: 0.5rem;
    padding-bottom: 0.25rem;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.thumbnail-gallery-scroll::-webkit-scrollbar {
    display: none;
}

.thumbnail-gallery-scroll img {
    width: 9.375rem;
    height: 5.625rem;
    flex-shrink: 0;
    border-radius: 0.25rem;
    object-fit: cover;
    display: block;
    cursor: pointer; 
    transition: opacity 0.2s, transform 0.2s;
}

.thumbnail-gallery-scroll img:hover:not(.active) {
    opacity: 0.8;
}

/* ---------------------------------------- 影片縮圖（含播放圖示） */

.video-thumbnail-wrapper {
    position: relative;
    display: flex;                   
    justify-content: center;
    align-items: center;
    width: 9.375rem; 
    height: 5.625rem; 
    flex-shrink: 0; 
    border-radius: 0.25rem;
    object-fit: cover; 
    cursor: pointer; 
    transition: opacity 0.2s, transform 0.2s;
}

.thumbnail-item.active img,
.video-thumbnail-wrapper.active img {
    border: 5px solid var(--catOrange);
    border-radius: 0.5rem;
    box-sizing: border-box;
}

.video-thumbnail-wrapper:hover {
    opacity: 0.8;
}

.video-thumbnail-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 9.375rem; 
    height: 5.625rem; 
    object-fit: cover;
    border-radius: 0.25rem; 
    transition: filter 0.2s ease;
}

.video-thumbnail-wrapper:hover img {
    filter: brightness(0.5);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    width: 2rem;
    height: 2rem;

    /* 半透明黑圓背景 */
    background: rgba(0, 0, 0, 0.95);
    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 1rem;  /* 調整 ▶ 大小 */
    color: white;     /* ▶ 顏色 */
    line-height: 1;
    pointer-events: none;
}

.video-thumbnail-wrapper:hover .play-icon:hover {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

/* ---------------------------------------- 雙欄變單欄（1000px 以下） */
@media (max-width: 60rem) {

    .navbar {
        padding: 0.625rem 1.25rem; 
    }

    .hamburger { display: block; }

    .media-summary-container {
        flex-direction: column;
        gap: 0; 
        padding: 0 1.25rem;
    }
    
    .summary-column {
        width: 100%; 
        order: -1;
        margin-bottom: 1.25rem; 
        padding: 0; 
        background-color: transparent;
        box-shadow: none; 
    }
    
    .summary-column .summary-block {
        padding: 1.25rem 0; 
    }

    .media-column {
        width: 100%; 
        flex: none; 
        padding-bottom: 1rem;
    }
    
    /* 行動版 CTA 全寬 */
    .cta-button {
        display: block;
        width: 100%;
        box-sizing: border-box; 
    }

    /* 說明文字區補強間距 */
    #long-description {
        padding: 1.25rem;
    }
}

/* ---------------------------------------- 文章內容 */

.main-container {
    position: relative;
    display: flex;
    justify-content: center;
    background-color: var(--catCream);
}

.left-sidebar,
.right-sidebar {
    flex: 0 0 15%;
    margin: 0 auto;
}

.left-sidebar{
    padding-left: 1.5rem;
}

.right-sidebar{
    padding-right: 1.5rem;
}

.content-section {
    width: 100%;
    max-width: 70rem;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0 1rem;
}

highlight {
    background: var(--catBrown);
    color: white;
    font-weight: bold;
    padding: 2px;
    border-radius: 2px;
}

.alert-box {
    display: flex;
    align-items: center;
    background-color: #FFEAEA;
    border-left: 4px solid #E57373;
    padding: 0.5rem 1rem;
    margin: 1rem auto;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    font-size: 0.9rem;
    line-height: 1.4;
    width: 80%;
    max-width: 600px;
    box-sizing: border-box;
}

.alert-icon {
    flex-shrink: 0;
    font-size: 1.2rem;
    margin-right: 0.5rem;
    color: #E57373;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-text {
    flex: 1;
}

@media (max-width: 60rem) {
    .alert-box {
        width: 95%;
    }
}

/* ---------------------------------------- TOC */
#toc {
    position: sticky;
    top: 100px;  /* sticky navbar 下方 */
    background-color: #f7f7f7;
    border: 1px solid var(--catGrayBase);
    border-radius: 0.5rem;
    padding: 1rem;
}

#toc ul {
    padding: 0 1rem;
    margin: 0;
}

#toc li {
    margin-bottom: 0.5rem;
}

#toc a {
    text-decoration: none;
    color: var(--catBrown);
}

#toc a:hover {
    color: var(--catOrange);
}

/* 手機版調整成單欄 */
@media (max-width: 60rem) {
    .main-container {
        flex-direction: column;
        justify-content: center;
        padding: 1rem;
    }

    .left-sidebar,
    .right-sidebar,
    .content-section {
        width: 100%;
        max-width: 70rem;    /* 桌面版最大寬度 */
        margin: 0 auto;      /* 水平置中 */
        box-sizing: border-box;
        padding: 0 1rem;     /* 避免窄螢幕貼邊 */
    }

    #toc {
        display: none;
    }
}

/* ---------------------------------------- h2 標題 */
.content-section h2 {
    cursor: pointer;
    padding: 0.75rem 1rem;
    background-color: var(--catOrange);
    color: white;
    margin-bottom: 0;
    border-radius: 0.5rem;
    user-select: none;
    position: relative;
    transition: background-color 0.2s, border-radius 0.2s;
    scroll-margin-top: 80px;
}

.content-section h2:hover {
    background-color: #d8894d;
}

.content-section h2::after {
    content: "▶";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    transition: transform 0.3s;
    font-size: 0.9rem;
}

.content-section h2.active {
    border-radius: 0.5rem 0.5rem 0 0;
}

.content-section h2.active::after {
    transform: translateY(-50%) rotate(90deg);
}

.content-section .content-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 1rem;
    background-color: white;
    border-left: 2px solid var(--catOrange);
    border-right: 2px solid var(--catOrange);
    border-bottom: 0;  /* 收合時不顯示 */
    margin-bottom: 1rem;
    border-radius: 0;  /* 收合時下方無圓角 */
}

.content-section .content-detail.open {
    padding: 1rem;
    max-height: 2000px;  /* 可用 JS 計算 scrollHeight */
    border-bottom: 2px solid var(--catOrange);
    border-radius: 0 0 0.5rem 0.5rem; /* 下方兩角圓 */
}


/* ---------------------------------------- h3 樣式 */
.content-section h3 {
    margin-top: 1rem;
    border-bottom: 1px dotted var(--catGrayBase);
    color: var(--catBrown);
    padding-bottom: 0.25rem;
}

/* ---------------------------------------- Scroll Top Button */
#scrollTopBtn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--catOrange);
    color: white;
    border: none;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
    cursor: pointer;
    display: none; /* 初始隱藏 */
    z-index: 999;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    transition: background-color 0.2s;
}

#scrollTopBtn:hover {
    background-color: #d8894d;
}

/* ----------------------------------------表格樣式  */
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 600px;
}

.data-table th, .data-table td {
    padding: 0.75rem 0.9375rem;
    border-bottom: 0.0625rem solid var(--catGrayBase);
}

.data-table th {
    background-color: #3d3d3d;
    color: var(--catCream);
    font-weight: bold;
    text-transform: uppercase;
}

.data-table tr:nth-child(even) {
    background-color: rgba(244, 162, 97, 0.05);
}

.data-table a {
    color: var(--catBrown);
    font-weight: bold;
    text-decoration: none;
    border-bottom: 0.0625rem dotted var(--catBrown);
}
.data-table a:hover {
    color: var(--catOrange);
    border-bottom-color: var(--catOrange);
}

.table-container {
    width: 100%;
    max-height: 500px;
    overflow: auto;
    margin: 1.25rem 0;
    font-size: 0.8rem;
}


/* ============================================================= */
/* 作者介紹 */
/* ============================================================= */

main {
    padding-top: 0; /* 讓第一個 section 可以延伸到 header 下方 */
}

.author-intro-story {
    max-width: 55rem; /* 稍微放寬一點 */
    margin: 0 auto;
    padding: 3.75rem 1.25rem 2rem; /* 調整底部間距 */
    text-align: center;
    background-color: var(--catCream); /* 淺色背景，給介紹區視覺提升 */
}

.author-photo-center {
    width: 12rem; /* 放大頭像 */
    height: 12rem;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 0rem solid var(--catBrown); 
    box-shadow: 0 0.5rem 1rem rgba(90, 62, 54, 0.2);
}

.author-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; 
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tag {
    padding: 0.4rem 0.4rem;
    border: 1px solid var(--catBrown);
    border-radius: 0.4rem;
    font-size: 0.8rem;
    font-weight: bold;
    white-space: nowrap;
    color: var(--catBrown);
}

.sub-heading {
    font-size: 1.1em;
    color: var(--catOrange);
    font-weight: 500;
    margin-bottom: 2rem;
}

.story-paragraph {
    font-size: 1.05em;
    line-height: 1.8;
    text-align: justify;
    margin: 1.25rem auto;
    max-width: 40rem;
    color: var(--catDarkText);
}

.cat-quote-section {
    background-color: var(--catBrown);
    padding: 2.5rem 1.25rem;
    text-align: center;
    color: white;
    border-radius: 0.5rem;
}

.cat-quote-box {
    max-width: 45rem;
    margin: 0 auto;
}

.cat-quote {
    font-family: serif;
    font-size: 1.6em;
    font-style: italic;
    line-height: 1.5;
    position: relative; 
    padding: 0 1.5rem;
}

.cat-quote::before,
.cat-quote::after {
    content: '❝';
    font-size: 4em;
    color: #ffffff80;
    position: absolute;
    opacity: 0.2;
    line-height: 1;
    z-index: 0;
}

.cat-quote::before {
    left: 0.5em;
    top: -1.5rem;
    transform: translateX(-50%);
}

.cat-quote::after {
    content: '❞';
    right:0.5em;
    bottom: -1rem; 
    transform: rotate(180deg) translateX(-50%);
}
.quote-source {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.7);
    text-align: right;
    display: block;
    margin-top: 1rem;
}

.author-skills-contact {
    background-color: rgba(244, 162, 97, 0.1);
    padding: 3rem 1.25rem;
    margin-top: 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2rem;
    color: var(--catBrown);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr));
    gap: 1.875rem;
    max-width: 62.5rem;
    margin: 0 auto;
    text-align: center;
}

.skill-item {
    background-color: white;
    padding: 1.5625rem;
    border-radius: 0.625rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1); 
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.15);
}

.skill-icon {
    font-size: 3em;
    display: block;
    margin-bottom: 0.625rem;
}
.skill-item h3 {
    color: var(--catBrown);
    margin-top: 0;
    margin-bottom: 0.5rem;
}
.skill-item p {
    font-size: 0.95em;
    color: var(--catDarkText);
}

.contact-section {
    padding: 2.5rem 1.25rem 3.75rem;
    background-color: var(--catCream);
}

.contact-buttons {
    text-align: center;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9375rem;
    max-width: 50rem;
}

.contact-btn {
    padding: 0.5rem 1rem;
    border-radius: 3.125rem;
    text-decoration: none;
    font-weight: bold;
    color: white;
    background-color: var(--catBrown);
    transition: background-color 0.2s, transform 0.2s;
}

.contact-btn:hover {
    background-color: var(--catOrange);
    transform: scale(1.05);
}

/* RWD 調整 */
@media screen and (max-width: 37.5rem) {
    .story-paragraph {
        text-align: left;
    }
    .cat-quote {
        font-size: 1.4em;
    }
}