/* ==========================================================================
   CSS Tokens & Variable Definitions
   ========================================================================== */
:root {
    --bg-color: #edebe6;
    /* 灰泥暖紙色 */
    --card-bg: #ffffff;
    /* 卡片白 */
    --text-color: #000000;
    /* 極黑 */
    --text-muted: #555555;
    /* 灰字 */
    --border-color: #000000;
    /* 邊框黑 */
    --accent-color: #ff4500;
    /* 橘紅點綴色 */
    --font-display: "Outfit", "Noto Sans TC", sans-serif;
    --font-mono: "Space Mono", monospace;
    --border-width: 1px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
html {
    overflow-y: scroll; /* 強制垂直捲軸一律顯示，防止非同步資料載入後版面左右跳動 */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-display);
    font-size: 16px;
    line-height: 1.4;
    overflow-x: hidden;
}

/* ==========================================================================
   噪點質感疊加層 (Noise & Texture Overlay)
   ========================================================================== */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.5;
    /* 控制整體顆粒感明暗 */
    z-index: 9999;
    pointer-events: none;
    filter: url(#noise-filter);
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-left: var(--border-width) solid transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 3px solid var(--bg-color);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.site-container {
    max-width: 1440px;
    margin: 0 auto;
    border-left: var(--border-width) solid transparent;
    border-right: var(--border-width) solid transparent;
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex-grow: 1;
}

/* ==========================================================================
   Header Styles (參考 132.JPG)
   ========================================================================== */
.site-header {
    border-bottom: var(--border-width) solid transparent;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    border-bottom: var(--border-width) solid transparent;
}

.header-brand {
    padding: 2.5rem 2rem;
    flex-grow: 1;
    opacity: 0;
}

.header-brand h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.06em;
    text-transform: uppercase;
}

.header-brand h1 span {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 0;
    vertical-align: super;
    margin-left: 0.5rem;
}

.brand-sub {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.8rem;
    color: var(--text-muted);
}

.header-meta {
    display: flex;
    border-left: var(--border-width) solid transparent;
    flex: 0 0 380px;
    opacity: 0;
}

.meta-date {
    padding: 2.5rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
}

.date-value {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
}

/* 滾動熱點條 (Trending Keywords Scroll) */
.trending-bar {
    display: flex;
    align-items: stretch;
    height: 3.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    opacity: 0;
    transform: scaleY(0);
    transform-origin: top;
}

.trending-label {
    white-space: nowrap !important;
    background-color: var(--border-color);
    color: var(--card-bg);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.trending-content {
    flex-grow: 1;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
}

.trending-track {
    display: inline-block;
    white-space: nowrap;
    animation: marquee 35s linear infinite;
    padding-left: 100%;
}

.trending-track:has(.trend-item:hover) {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-100%, 0, 0);
    }
}

/* ==========================================================================
   Hero Section (參考 2.JPG)
   ========================================================================== */
.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    border-bottom: var(--border-width) solid transparent;
    background-color: transparent;
}

.hero-image-container {
    border-right: var(--border-width) solid transparent;
    height: 100%;
    min-height: 480px;
    overflow: hidden;
    position: relative;
    background-color: #dfdfdf;
    opacity: 0;
}

.hero-image-container:not(.skeleton) {
    opacity: 0;
    transform: translateX(-15px);
}

.hero-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-text-container {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    opacity: 0;
}

.hero-text-container:not(.skeleton) {
    opacity: 0;
    transform: translateX(15px);
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    align-self: flex-start;
    padding: 0.2rem 0.6rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

/* 可點擊焦點區域互動樣式 */
.clickable-hero {
    cursor: pointer;
}

.hero-image-container.clickable-hero img {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image-container.clickable-hero:hover img {
    transform: scale(1.02);
    filter: brightness(0.95);
}

.hero-title.clickable-hero:hover {
    text-decoration: underline;
}

.hero-desc.clickable-hero {
    transition: color 0.2s ease;
}

.hero-desc.clickable-hero:hover {
    color: var(--text-color);
}

/* 按鈕樣式 (黑底白字新粗獷風格) */
.action-btn {
    background-color: var(--border-color);
    color: var(--card-bg);
    border: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    padding: 1rem 2rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
    align-self: flex-start;
}

.action-btn:hover {
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* ==========================================================================
   News Grid Section (參考 3234.JPG)
   ========================================================================== */
.grid-section {
    border-bottom: var(--border-width) solid transparent;
}

.section-title-bar {
    border-bottom: var(--border-width) solid transparent;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-color);
    opacity: 0;
}

.section-title-bar h2 {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.grid-layout-indicator {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    background-color: transparent;
    gap: var(--border-width);
}

/* 網格元素卡片 */
.grid-item {
    display: flex;
    background-color: var(--card-bg);
    cursor: pointer;
    transition: background-color 0.25s ease;
    height: 200px !important; /* 固定卡片高度，與骨架屏一致，防止載入後高度變化導致空隙不一致 */
    max-height: 200px !important;
    overflow: hidden; /* 防止文字溢出 */
    opacity: 0;
    transform: translateY(15px);
}

.grid-item-img {
    width: 200px;
    min-width: 200px;
    height: 200px !important;
    max-height: 200px !important;
    flex-shrink: 0; /* 防止圖片在空間不足時被擠壓 */
    overflow: hidden;
    position: relative;
    border-right: var(--border-width) solid var(--border-color);
    background-color: #dfdfdf;
}

.grid-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.grid-item-content {
    flex-grow: 1;
    min-width: 0; /* 防止內部溢出文字撐大容器擠壓圖片 */
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.grid-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}

.grid-item-rank {
    display: none !important;
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
}

.grid-item-meta {
    display: none !important;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.grid-item-title {
    font-size: 1.35rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.grid-item-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0;
    border: none !important;
    background: transparent !important;
    color: var(--text-color);
}

.badge.hot {
    color: var(--accent-color);
}

/* Hover 互動動畫效果 */
.grid-item:not(.placeholder-item):hover {
    background-color: #faf9f6;
}

.grid-item:hover .grid-item-title {
    color: var(--accent-color);
}

.grid-item:hover .grid-item-img img {
    transform: scale(1.05);
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */
.site-footer {
    border-top: var(--border-width) solid transparent;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.site-footer > * {
    opacity: 0;
}

.home-btn {
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background-color: transparent;
    display: inline-block;
    letter-spacing: 0.05em;
}

.home-btn:hover {
    background-color: var(--border-color);
    color: var(--bg-color);
}

/* ==========================================================================
   Modal Overlay & Card Detail Styles
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 2rem;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: var(--bg-color);
    border: 3px solid var(--border-color);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 10px 10px 0px #000000;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 1.5rem;
    background-color: var(--card-bg);
}

.modal-rank {
    display: none !important;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 900;
}

.modal-category {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent-color);
}

.modal-close {
    background: transparent;
    border: none;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 1.4rem;
    cursor: pointer;
    font-weight: 700;
    transition: color 0.2s ease, transform 0.2s ease;
}

.modal-close:hover {
    background-color: transparent;
    color: var(--accent-color);
    transform: scale(1.15);
}

.modal-body {
    overflow-y: auto;
    flex-grow: 1;
}

.modal-main-image {
    width: 100%;
    height: 350px;
    overflow: hidden;
    border-bottom: 2px solid var(--border-color);
    background-color: #dfdfdf;
}

.modal-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-content-wrap {
    padding: 2.5rem;
}

.modal-title {
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.modal-meta-line {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.modal-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: #111111;
    white-space: pre-line;
    margin-bottom: 2.5rem;
}

.modal-market-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    border-top: 1px solid #d3d1cb;
    padding-top: 1.5rem;
}

.modal-footer {
    display: none !important;
}

.modal-source-link {
    display: inline-block;
    color: var(--card-bg);
    background-color: var(--border-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.modal-source-link:hover {
    color: var(--text-color);
    background-color: var(--card-bg);
}

/* ==========================================================================
   Skeleton & Loading States
   ========================================================================== */
.skeleton {
    animation: skeleton-loading 1.5s linear infinite alternate;
}

.skeleton-text {
    animation: skeleton-loading 1.5s linear infinite alternate;
    background-color: #ddd;
    border-radius: 2px;
}

@keyframes skeleton-loading {
    0% {
        background-color: #dfdecb;
    }

    100% {
        background-color: #ebeae1;
    }
}

.grid-item-skeleton {
    background-color: var(--card-bg);
    height: 200px;
    animation: skeleton-loading 1.5s linear infinite alternate;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
    }

    .hero-image-container {
        border-right: none;
        border-bottom: var(--border-width) solid transparent;
        height: 320px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .header-main {
        flex-direction: column;
    }

    .header-meta {
        border-left: none;
        border-top: var(--border-width) solid transparent;
        justify-content: space-between;
        flex: none;
        width: 100%;
    }

    .meta-date {
        padding: 1.5rem;
        flex-grow: 1;
        align-items: center;
    }
}

@media (max-width: 600px) {
    .header-brand h1 {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .grid-item {
        flex-direction: column;
    }

    .grid-item-img {
        width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: var(--border-width) solid var(--border-color);
    }
}

/* ==========================================================================
   動畫效果 Orchestration & Keyframes (News Page Entrance Animations)
   ========================================================================== */
.site-container.ready {
    animation: fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.site-container.ready .site-header {
    animation: fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.site-container.ready .header-main {
    animation: fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.site-container.ready .header-brand {
    animation: fade-slide-down-news 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.4s;
}

.site-container.ready .header-meta {
    animation: 
        fade-slide-down-news 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.5s,
        fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.4s;
}

.site-container.ready .trending-bar {
    animation: scale-y-down-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.6s;
}

.site-container.ready .hero-section {
    animation: fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.2s;
}

.site-container.ready .hero-image-container {
    animation: 
        fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s,
        fade-in-content-news 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s;
}

.site-container.ready .hero-image-container:not(.skeleton) {
    animation: 
        fade-slide-right-news 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s,
        fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s;
}

.site-container.ready .hero-text-container:not(.skeleton) {
    animation: fade-slide-left-news 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s;
}

.site-container.ready .section-title-bar {
    animation: 
        fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.3s,
        fade-in-content-news 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.7s;
}

.site-container.ready .news-grid {
    animation: fade-grid-bg-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.4s;
}

.site-container.ready .grid-item {
    animation: fade-slide-up-news 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    animation-delay: calc(0.8s + var(--item-index, 0) * 0.06s);
}

.site-container.ready .site-footer {
    animation: fade-border-news 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.5s;
}

.site-container.ready .site-footer > * {
    animation: fade-in-footer-news 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards 1s;
}

@keyframes fade-slide-down-news {
    0% { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes scale-y-down-news {
    0% { opacity: 0; transform: scaleY(0); }
    100% { opacity: 1; transform: scaleY(1); }
}

@keyframes fade-slide-right-news {
    0% { opacity: 0; transform: translateX(-15px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes fade-slide-left-news {
    0% { opacity: 0; transform: translateX(15px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes fade-slide-up-news {
    0% { opacity: 0; transform: translateY(15px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes fade-border-news {
    0% { border-color: transparent; }
    100% { border-color: var(--border-color); }
}

@keyframes fade-grid-bg-news {
    0% { background-color: transparent; }
    100% { background-color: var(--border-color); }
}

@keyframes fade-in-footer-news {
    to { opacity: 1; }
}

@keyframes fade-in-content-news {
    to { opacity: 1; }
}

#modal-time {
    display: none !important;
}

.badge.up {
    background-color: transparent !important;
    color: #ff3b30 !important;
    border: none !important;
}

.badge.down {
    background-color: transparent !important;
    color: #34c759 !important;
    border: none !important;
}

#current-date {
    white-space: nowrap !important;
    overflow: hidden !important;
}

#current-date::after {
    content: "|";
    margin-left: 4px;
    display: inline-block;
    vertical-align: baseline;
    animation: blink-cursor 1s infinite steps(2, start);
}

@keyframes blink-cursor {
    to { visibility: hidden; }
}

.author-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.author-link:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}