/* ====================================
   content Page Specific Animations
   ==================================== */
@keyframes slide1 {
    0% { transform: translate(0, 0); }
    100% { transform: translate(10px, 0); }
}

/* ====================================
   content Page Layout
   ==================================== */

/* 定義課程頁面專屬變數 */
.page-content {
    --color-content-accent: #92c5d9;
    --color-content-accent-light: #c4dee8;
    --color-quote-text: rgba(146, 197, 217, 0.22);
    flex: 1;
}

.page-content ul {
    list-style: disc;
}

.page-content ol {
    list-style: decimal;
}

.page-content .content-wrap {
    background-color: #fff;
}

/* 主要內容區塊 */
.page-content .content-wrap > .container .content-wrap-main {
    flex: 0 0 auto;
    width: 78%;
    padding: 25px 35px 25px 0;
}

.page-content .content-wrap > .container .content-wrap-main .sessionPadding {
    padding-bottom: 30px;
}

/* 簡介區塊 */
.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief h1 {
    padding: 0 0 var(--spacing-md) 0;
}

.page-content .content-wrap > .container .content-wrap-main p.brief-desc {
    line-height: 1.7;
    padding: 0 0 15px 0;
    text-align: justify;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief p.brief-title {
    border-bottom: 1px solid var(--color-border);
    padding: 25px 0 10px 55px;
    position: relative;
    line-height: 1.6;
    font-size: 20px;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief p.brief-title::before {
    position: absolute;
    top: 0;
    left: 1%;
    content: "“";
    font-size: 70px;
    font-weight: 700;
    color: var(--color-content-accent-light);
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief ul {
    background-color: #f5f2f2;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs) var(--spacing-md);
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief ul li {
    padding-bottom: var(--spacing-sm);
    width: 25%;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief ul li img {
    width: 30px;
    margin-right: var(--spacing-sm);
}

/* 介紹內容區塊 */
.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .intro-group h3 {
    padding-bottom: var(--spacing-lg);
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .intro-signup {
    padding: 10px 0 var(--spacing-xl);
}

/* 推薦語區塊 */
.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation {
    gap: 30px 30px;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation .quote-modern {
    text-align: center;
    padding: 30px 15px;
    border-radius: 10px;
    box-shadow: 0 0 5px 0 rgba(0, 0, 0, .13);
    background: #fff;
    width: 33%;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation .quote-modern .quote-modern-text {
    position: relative;
    font-weight: 400;
    padding-top: 65px;
    padding-bottom: 25px;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation .quote-modern .quote-modern-text::before {
    position: absolute;
    top: -20px;
    left: 50%;
    content: "“";
    font-size: 100px;
    font-weight: 700;
    color: var(--color-quote-text);
    transform: translate3d(-50%, 0, 0);
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation .quote-modern .unit-body {
    padding-left: 15px;
    padding-right: 15px;
    text-align: left;
}

/* 側邊欄Sticky區塊 */
.page-content .content-wrap > .container .content-wrap-sticky {
    flex: 0 0 auto;
    width: 22%;
    margin-top: 25px;
}

.page-content .content-wrap > .container .content-wrap-sticky .sticky-content {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-lg);
    position: sticky;
    top: 90px;
}

.page-content .content-wrap > .container .content-wrap-sticky .sticky-content ul {
    padding: 25px 0;
}

.page-content .content-wrap > .container .content-wrap-sticky .sticky-content ul li {
    padding-bottom: var(--spacing-sm);
}

.page-content .content-wrap > .container .content-wrap-sticky .sticky-content ul li img {
    margin-right: var(--spacing-xs);
    width: 22px;
    margin-top: 4px;
}

/* 標籤分類區塊 */
.sticky-categories {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.sticky-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 16px 0;
}

.sticky-category-list {
    list-style: none !important;
    margin: 0;
    padding: 0 !important;
}

.sticky-category-list li {
    margin-bottom: 8px;
}

.sticky-category-list li:last-child {
    margin-bottom: 0;
}

.sticky-category-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background-color: #f8f9fa;
    border: 1px solid transparent;
    border-radius: 8px;
    color: #666666;
    text-decoration: none;
    transition: all 0.2s ease;
}

.sticky-category-link .category-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.sticky-category-link .category-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background-color: rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.sticky-category-link:hover {
    background-color: #f0f0f0;
    border-color: #d0d0d0;
}

.sticky-category-link.active {
    background-color: #e8f0fe;
    border-color: #1E3A8A;
    color: #1E3A8A;
}

.sticky-category-link.active .category-count {
    background-color: rgba(30, 58, 138, 0.15);
    color: #1E3A8A;
}


/* 針對 signup 單獨設定寬度覆蓋 */
.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .intro-signup a {
    width: 300px;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .intro-signup a svg,
.page-content .content-wrap > .container .content-wrap-sticky .sticky-content a svg {
    width: 25px;
    fill: #fff;
    vertical-align: middle;
}

.page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .intro-signup a:hover svg,
.page-content .content-wrap > .container .content-wrap-sticky .sticky-content a:hover svg {
    animation: slide1 1s ease-in-out infinite;
}

.sticky-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
}

/* 通用按鈕樣式 */
.btn-sticky {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-sticky::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    pointer-events: none;
}

.btn-sticky-text {
    flex: 1;
    text-align: left;
}

.btn-sticky-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.btn-sticky:hover .btn-sticky-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* 主要按鈕：藍色漸層 */
.btn-sticky-primary {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B5998 100%);
    color: #ffffff;
    box-shadow: 
        0 4px 14px rgba(30, 58, 138, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.1);
}

.btn-sticky-primary:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(30, 58, 138, 0.4),
        0 4px 10px rgba(0, 0, 0, 0.15);
}

.btn-sticky-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 8px rgba(30, 58, 138, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 管理員按鈕：紫色漸層 */
.btn-sticky-admin {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #ffffff;
    box-shadow: 
        0 4px 14px rgba(99, 102, 241, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.1);
}

.btn-sticky-admin:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(99, 102, 241, 0.4),
        0 4px 10px rgba(0, 0, 0, 0.15);
}

.btn-sticky-admin:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 8px rgba(99, 102, 241, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 次要按鈕樣式（備用） */
.btn-sticky-secondary {
    background: #ffffff;
    color: var(--color-primary, #151515);
    border: 1px solid var(--color-border, #e1e1e1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.btn-sticky-secondary::before {
    display: none;
}

.btn-sticky-secondary:hover {
    color: var(--color-primary, #151515);
    background: #f8f9fa;
    border-color: #c0c0c0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 成功狀態按鈕（備用） */
.btn-sticky-success {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
    color: #ffffff;
    box-shadow: 
        0 4px 14px rgba(5, 150, 105, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.1);
}

.btn-sticky-success:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(5, 150, 105, 0.4),
        0 4px 10px rgba(0, 0, 0, 0.15);
}

/* ====================================
   Responsive Styles
   ==================================== */

@media(max-width: 768px) {
    .page-content .content-wrap > .container {
        flex-direction: column;
    }

    .page-content .content-wrap > .container .content-wrap-main {
        width: 100% !important;
        padding: 25px 0 !important;
    }

    .page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief ul {
        flex-wrap: wrap;
    }

    .page-content .content-wrap > .container .content-wrap-main .content-wrap-main-brief ul li {
        width: 50%;
    }

    .page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation {
        flex-wrap: wrap;
    }

    .page-content .content-wrap > .container .content-wrap-main .content-wrap-main-intro .recommendation .quote-modern {
        margin-bottom: 25px;
        width: 100%;
    }

    /* 側邊欄：手機版改為底部全寬顯示 */
    .page-content .content-wrap > .container .content-wrap-sticky {
        width: 100% !important;
        margin-top: 0;
        padding-bottom: 30px;
    }
    
    .page-content .content-wrap > .container .content-wrap-sticky .sticky-content {
        position: static;
        top: auto;
    }
}