/* ========================================
   iPokemon.net - 寶可夢卡牌網站樣式
   ======================================== */

/* CSS 變數 */
:root {
    /* 主色調 - 寶可夢風格 */
    --primary: #FFCB05;
    --primary-dark: #E6B800;
    --secondary: #3B4CCA;
    --secondary-dark: #2A3BA8;
    
    /* 功能色 */
    --fire: #F08030;
    --water: #6890F0;
    --electric: #F8D030;
    --grass: #78C850;
    --psychic: #F85888;
    --dragon: #7038F8;
    --dark: #705848;
    --fairy: #EE99AC;
    
    /* 中性色 */
    --bg-primary: #0F0F1A;
    --bg-secondary: #1A1A2E;
    --bg-card: #252542;
    --bg-hover: #2D2D4A;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0C0;
    --text-muted: #6B6B80;
    --border: #3A3A5A;
    
    /* 陰影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(255, 203, 5, 0.3);
    
    /* 間距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* 圓角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* 動畫 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 重置樣式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   導航欄
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    color: var(--text-primary);
}

.logo-dot {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-links a {
    position: relative;
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* 漢堡選單 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   英雄區域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px var(--spacing-lg) var(--spacing-2xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(59, 76, 202, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255, 203, 5, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(248, 88, 136, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, #FF6B6B 50%, var(--primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient 3s linear infinite;
}

@keyframes gradient {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    letter-spacing: 0.5em;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 浮動卡牌動畫 */
.hero-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-card {
    position: absolute;
    width: 60px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-hover));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.card-1 { top: 20%; left: 10%; animation-delay: 0s; }
.card-2 { top: 30%; right: 15%; animation-delay: 1s; }
.card-3 { bottom: 25%; left: 15%; animation-delay: 2s; }
.card-4 { bottom: 35%; right: 10%; animation-delay: 3s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* ========================================
   按鈕
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #000;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 203, 5, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ========================================
   區塊樣式
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
}

.section-title.center {
    text-align: center;
    width: 100%;
    margin-bottom: var(--spacing-xl);
}

.view-all {
    color: var(--primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.view-all:hover {
    color: var(--primary-dark);
}

/* ========================================
   新聞區塊
   ======================================== */
.news-section {
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card.featured {
    grid-row: span 2;
}

.news-card.featured .news-image {
    height: 200px;
}

.news-image {
    height: 120px;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-placeholder {
    font-size: 3rem;
}

.news-content {
    padding: var(--spacing-lg);
}

.news-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.news-tag.hot { background: var(--fire); color: #fff; }
.news-tag.event { background: var(--secondary); color: #fff; }
.news-tag.market { background: var(--grass); color: #fff; }
.news-tag.new { background: var(--electric); color: #000; }

.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   卡牌展示
   ======================================== */
.cards-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.card-item {
    text-align: center;
}

.card-frame {
    position: relative;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-hover));
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-normal);
    cursor: pointer;
    border: 2px solid var(--border);
}

.card-frame:hover {
    transform: scale(1.05) rotate(2deg);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.card-inner {
    height: 100%;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.card-type {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.card-type.fire { background: var(--fire); }
.card-type.water { background: var(--water); }
.card-type.electric { background: var(--electric); color: #000; }
.card-type.grass { background: var(--grass); }
.card-type.psychic { background: var(--psychic); }
.card-type.dragon { background: var(--dragon); }

.card-art {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.card-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.card-rarity {
    color: var(--primary);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-sm);
}

.card-price {
    font-weight: 700;
    color: var(--primary);
}

.card-trend {
    font-size: 0.85rem;
    font-weight: 500;
}

.card-trend.up { color: #4CAF50; }
.card-trend.down { color: #F44336; }
.card-trend.stable { color: var(--text-muted); }

/* ========================================
   交易市場
   ======================================== */
.trade-section {
    background: var(--bg-secondary);
}

.trade-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.trade-list {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.trade-item {
    display: grid;
    grid-template-columns: 60px 1fr 80px 100px 80px;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}

.trade-item:last-child {
    border-bottom: none;
}

.trade-item:hover {
    background: var(--bg-hover);
}

.trade-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.trade-type.sell { background: var(--fire); color: #fff; }
.trade-type.buy { background: var(--secondary); color: #fff; }
.trade-type.exchange { background: var(--dragon); color: #fff; }

.trade-card {
    font-weight: 500;
}

.trade-condition {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.trade-price {
    font-weight: 700;
    color: var(--primary);
}

.trade-time {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.trade-cta {
    text-align: center;
}

/* ========================================
   功能特色
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   頁腳
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.disclaimer {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem !important;
}

/* ========================================
   頁面標題通用樣式
   ======================================== */
.page-header {
    padding: 120px var(--spacing-lg) var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.section-sm {
    padding: var(--spacing-lg) 0;
}

/* 分類標籤 */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #000;
}

/* 新聞列表頁 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.news-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.news-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.news-item.featured {
    grid-template-columns: 300px 1fr;
}

.news-item-image {
    height: 100%;
    min-height: 150px;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-placeholder-large {
    font-size: 4rem;
}

.news-item-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.news-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.news-item-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-item-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
}

.news-item-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.read-more {
    color: var(--primary);
    font-weight: 500;
    margin-left: auto;
}

.load-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
    .news-item {
        grid-template-columns: 1fr;
    }
    
    .news-item.featured {
        grid-template-columns: 1fr;
    }
    
    .news-item-image {
        height: 150px;
    }
}

/* ========================================
   響應式設計
   ======================================== */
@media (max-width: 1024px) {
    .cards-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.featured {
        grid-row: span 1;
    }
    
    .trade-stats {
        grid-template-columns: 1fr;
    }
    
    .trade-item {
        grid-template-columns: 50px 1fr;
        gap: var(--spacing-sm);
    }
    
    .trade-condition,
    .trade-price,
    .trade-time {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .cards-showcase {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
}