/* ===================================
   足球赛事分析平台 - 组件样式
   =================================== */

/* ====================
   赛事卡片组件
   ==================== */
.matches-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-gray-200);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.matches-container {
    display: grid;
    gap: var(--spacing-lg);
}

.match-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.match-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.match-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.match-league {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
}

.match-league-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-primary);
}

.match-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.status-live {
    color: var(--color-accent);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.match-body {
    padding: var(--spacing-lg);
}

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

.team {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.team-home {
    justify-content: flex-end;
    text-align: right;
}

.team-away {
    justify-content: flex-start;
}

.team-logo {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.team-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-gray-900);
}

.match-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-xl);
}

.score-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.score-time {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.match-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.match-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.match-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.btn-favorite {
    padding: var(--spacing-xs) var(--spacing-md);
    background: none;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-favorite:hover, .btn-favorite.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-favorite .icon {
    width: 1rem;
    height: 1rem;
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ====================
   分析卡片组件
   ==================== */
.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.analysis-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

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

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

.image-placeholder {
    width: 100%;
    height: 100%;
}

.image-placeholder svg {
    width: 100%;
    height: 100%;
}

.card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

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

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.card-category {
    color: var(--color-primary);
    font-weight: 500;
}

.card-date {
    color: var(--color-gray-500);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.analysis-card:not(.featured) .card-title {
    font-size: 1rem;
}

.card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.card-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-stats .stat {
    flex: 1;
}

.card-stats .stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.card-stats .stat-value {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.analysis-grid-side {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ====================
   预测卡片组件
   ==================== */
.prediction-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.prediction-tab {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 500;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.prediction-tab:hover {
    background-color: var(--color-gray-200);
}

.prediction-tab.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

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

.prediction-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.prediction-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
}

.prediction-header .match-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.team-name {
    font-size: 1rem;
}

.vs {
    font-size: 0.875rem;
    opacity: 0.8;
}

.match-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    opacity: 0.9;
}

.match-time .icon {
    width: 1rem;
    height: 1rem;
}

.prediction-body {
    padding: var(--spacing-lg);
}

.prediction-result {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.prediction-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.prediction-score {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.prediction-confidence {
    margin-bottom: var(--spacing-lg);
}

.confidence-bar {
    height: 0.5rem;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.confidence-text {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-align: right;
}

.prediction-analysis {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.analysis-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: 0.75rem;
    border-radius: var(--radius-full);
}

/* ====================
   图表卡片组件
   ==================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.chart-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.chart-card:hover {
    box-shadow: var(--shadow-xl);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.chart-toggle {
    padding: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-600);
    transition: color var(--transition-base);
}

.chart-toggle:hover {
    color: var(--color-primary);
}

.chart-toggle .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.chart-container {
    padding: var(--spacing-lg);
    height: 300px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ====================
   专家卡片组件
   ==================== */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.expert-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

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

.expert-avatar {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--color-gray-100);
    overflow: hidden;
}

.avatar-placeholder svg {
    width: 100%;
    height: 100%;
}

.expert-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-white);
}

.expert-info {
    text-align: center;
}

.expert-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.expert-title {
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.expert-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.expert-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.expert-stat {
    text-align: center;
}

.expert-stat .stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.expert-stat .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* ====================
   功能卡片组件
   ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ====================
   CTA 区域组件
   ==================== */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    list-style: none;
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* ====================
   页脚组件
   ==================== */
.main-footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.footer-logo .logo-icon {
    width: 3rem;
    height: 3rem;
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-800);
    color: var(--color-gray-400);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.social-link .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-white);
}

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

.newsletter-form .form-input {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-700);
    color: var(--color-white);
}

.newsletter-form .form-input::placeholder {
    color: var(--color-gray-500);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
}

.footer-copyright p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.footer-copyright a {
    color: var(--color-gray-400);
}

.footer-bottom .footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

/* ====================
   模态框组件
   ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(-20px);
    transition: all var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 2rem;
    height: 2rem;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-500);
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--color-gray-900);
}

.modal-close .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.auth-modal {
    position: relative;
    padding: var(--spacing-2xl);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-gray-200);
}

.auth-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 500;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.auth-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-gray-300);
}

.social-login {
    display: flex;
    gap: var(--spacing-md);
}

.btn-social {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-social .icon {
    width: 1rem;
    height: 1rem;
}

.btn-wechat:hover {
    border-color: #07c160;
    color: #07c160;
}

.btn-qq:hover {
    border-color: #12b7f5;
    color: #12b7f5;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-gray-600);
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.forgot-link {
    color: var(--color-primary);
}

.forgot-link:hover {
    text-decoration: underline;
}

/* 赛事加载状态 */
.matches-loading {
    text-align: center;
    padding: var(--spacing-3xl);
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

.matches-loading p {
    color: var(--color-gray-600);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
}

.empty-state .icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-gray-500);
}