/* ===================================
   足球赛事情报网 - 组件样式文件
   =================================== */

/* ===================================
   比赛卡片组件
   =================================== */
.matches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.match-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.match-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.match-card:hover::before {
    opacity: 1;
}

.match-card.live::before {
    background: linear-gradient(180deg, var(--accent-color), #c0392b);
    opacity: 1;
}

.match-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.league-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--secondary-color), #2980b9);
    color: white;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.match-time {
    color: var(--accent-color);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.match-teams {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.team {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.team-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.team-name {
    font-weight: 600;
    color: var(--text-primary);
}

.score {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.score-home,
.score-away {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.score-divider {
    color: var(--text-light);
    font-size: var(--font-size-xl);
}

.score-placeholder {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-secondary);
}

.match-stats {
    margin-bottom: var(--spacing-md);
}

.stat {
    margin-bottom: var(--spacing-sm);
}

.stat:last-child {
    margin-bottom: 0;
}

.stat-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    min-width: 35px;
}

.stat-value.home {
    color: var(--primary-color);
}

.stat-value.away {
    color: var(--secondary-color);
}

.btn-match-detail {
    display: block;
    text-align: center;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-match-detail:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.match-preview {
    text-align: center;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.preview-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===================================
   预测卡片组件
   =================================== */
.prediction-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: var(--primary-color);
    color: white;
}

.predictions-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.prediction-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-left: 4px solid transparent;
}

.prediction-card[data-confidence="high"] {
    border-left-color: var(--primary-color);
}

.prediction-card[data-confidence="medium"] {
    border-left-color: var(--warning-color);
}

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

.prediction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.prediction-league {
    padding: 0.25rem 0.75rem;
    background: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.prediction-date {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.prediction-teams {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.team-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.team-logo-small {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.predicted-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: var(--radius-md);
}

.predicted-score span:first-child {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.confidence-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.confidence-badge.high {
    background: rgba(46, 204, 113, 0.2);
    color: var(--primary-color);
}

.confidence-badge.medium {
    background: rgba(243, 156, 18, 0.2);
    color: var(--warning-color);
}

.prediction-analysis {
    margin-bottom: var(--spacing-md);
}

.analysis-item {
    margin-bottom: var(--spacing-sm);
}

.analysis-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.analysis-bar {
    position: relative;
    height: 8px;
    background: var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
}

.bar-text {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-primary);
}

/* ===================================
   数据统计表格
   =================================== */
.statistics-dashboard {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.stats-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-light);
    padding-bottom: var(--spacing-sm);
    overflow-x: auto;
}

.stats-tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.stats-tab:hover {
    color: var(--primary-color);
    background: rgba(46, 204, 113, 0.05);
}

.stats-tab.active {
    color: var(--primary-color);
    background: rgba(46, 204, 113, 0.1);
}

.stats-content {
    position: relative;
}

.stats-panel {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.stats-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.table-container {
    overflow-x: auto;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
}

.stats-table th,
.stats-table td {
    padding: var(--spacing-sm);
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.stats-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
}

.stats-table tbody tr {
    transition: background var(--transition-fast);
}

.stats-table tbody tr:hover {
    background: rgba(46, 204, 113, 0.05);
}

.rank {
    font-weight: 700;
}

.rank-1 {
    color: #f1c40f;
}

.rank-2 {
    color: #95a5a6;
}

.rank-3 {
    color: #cd7f32;
}

.team-cell,
.player-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-content: flex-start;
    text-align: left;
}

.team-logo-xs {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.player-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.points {
    font-weight: 700;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

.highlight {
    color: var(--accent-color);
    font-weight: 700;
}

.form {
    display: flex;
    gap: 4px;
    justify-content: center;
}

.form-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: white;
}

.form-badge.win {
    background: var(--primary-color);
}

.form-badge.draw {
    background: var(--text-light);
}

.form-badge.loss {
    background: var(--accent-color);
}

/* ===================================
   文章卡片组件
   =================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.article-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.article-card.featured .article-image {
    height: 100%;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

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

.article-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-card.featured .article-title {
    font-size: var(--font-size-2xl);
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.article-views {
    display: flex;
    align-items: center;
    gap: 4px;
}

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

/* ===================================
   关于我们
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: 50%;
    color: var(--primary-color);
}

.feature-item h4 {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-lg);
    color: white;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ===================================
   页脚
   =================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo .logo-img {
    filter: brightness(0) invert(1);
}

.footer-logo .logo-text {
    color: white;
    -webkit-text-fill-color: white;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

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