/* ACTC 網站通用樣式 */

/* CSS 自定義屬性 - 確保顏色可用 */
:root {
    --actc-orange: #F97316;
    --actc-orange-light: #FB923C;
    --actc-orange-dark: #EA580C;
    --actc-sand: #F4A460;
    --actc-lavender: #D8BFD8;
    --actc-light-lavender: #E6E6FA;
}

/* 自定義顏色類別 - 作為 Tailwind 的備用方案 */
.bg-actc-orange { background-color: var(--actc-orange) !important; }
.bg-actc-orange-light { background-color: var(--actc-orange-light) !important; }
.bg-actc-orange-dark { background-color: var(--actc-orange-dark) !important; }
.bg-actc-sand { background-color: var(--actc-sand) !important; }
.bg-actc-lavender { background-color: var(--actc-lavender) !important; }
.bg-actc-light-lavender { background-color: var(--actc-light-lavender) !important; }
.text-actc-orange { color: var(--actc-orange) !important; }
.text-actc-orange-light { color: var(--actc-orange-light) !important; }
.text-actc-orange-dark { color: var(--actc-orange-dark) !important; }
.text-actc-sand { color: var(--actc-sand) !important; }
.text-actc-lavender { color: var(--actc-lavender) !important; }
.text-actc-light-lavender { color: var(--actc-light-lavender) !important; }
.border-actc-orange { border-color: var(--actc-orange) !important; }
.border-actc-orange-light { border-color: var(--actc-orange-light) !important; }
.border-actc-orange-dark { border-color: var(--actc-orange-dark) !important; }
.border-actc-sand { border-color: var(--actc-sand) !important; }
.border-actc-lavender { border-color: var(--actc-lavender) !important; }

/* 自定義樣式 */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分類篩選按鈕動畫 */
.category-filter {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 9999px;
    font-weight: 500;
    cursor: pointer;
}

.category-filter:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

.category-filter:focus {
    outline: 2px solid var(--actc-sand);
    outline-offset: 2px;
}

.category-filter.active {
    background-color: var(--actc-orange);
    color: white;
    border-color: var(--actc-orange);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

/* 新聞卡片動畫 */
.news-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Carousel 動畫與過渡效果 */
.carousel-item {
    transition: opacity 0.5s ease;
}

.swiper-slide {
    transition: opacity 0.5s ease;
}

/* Swiper 導航按鈕樣式 */
.swiper-button-next,
.swiper-button-prev {
    background-color: var(--actc-sand) !important;
    border: 2px solid var(--actc-lavender) !important;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    color: white !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: var(--actc-orange) !important;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.swiper-button-next:focus,
.swiper-button-prev:focus {
    outline: 2px solid var(--actc-sand);
    outline-offset: 2px;
}

.swiper-pagination-bullet {
    background-color: var(--actc-orange);
}

.swiper-pagination-bullet-active {
    background-color: var(--actc-orange);
}

/* 改進的卡片樣式 */
.member-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.member-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* 改進的按鈕樣式 */
.btn-primary {
    background-color: var(--actc-orange);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--actc-orange-dark);
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:focus {
    outline: 2px solid var(--actc-sand);
    outline-offset: 2px;
}

/* 改進的導航欄樣式 */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--actc-orange);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:focus {
    outline: 2px solid var(--actc-sand);
    outline-offset: 2px;
}

/* 改進的頁面載入動畫 */
.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 加載動畫 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 模態框樣式 */
.news-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.news-modal.show {
    opacity: 1;
    visibility: visible;
}

.news-modal-content {
    background-color: var(--actc-light-lavender);
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.news-modal.show .news-modal-content {
    transform: scale(1);
}

.news-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--actc-sand);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.news-modal-close:hover {
    background-color: var(--actc-orange);
    transform: scale(1.1);
}

.news-modal-close:focus {
    outline: 2px solid var(--actc-sand);
    outline-offset: 2px;
}

/* 響應式設計優化 */
@media (max-width: 768px) {
    .category-filter {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
        margin-bottom: 0.5rem;
    }
    
    .news-card {
        margin-bottom: 1rem;
    }
    
    .swiper-button-next,
    .swiper-button-prev {
        width: 36px;
        height: 36px;
    }
    
    .news-modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
}

/* 平滑滾動 */
html {
    scroll-behavior: smooth;
}