/* 事件面板样式 */
.events-panel {
    padding: 15px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.events-panel h2 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 18px;
    color: #333;
}

.filter-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.filter-controls select {
    flex: 1;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
    background-color: #f5f5f5;
}

.events-container {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    padding-right: 5px;
}

/* 事件列表容器 */
.events-list {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* 事件卡片 */
.event-card {
    background-color: white;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.2s;
    cursor: pointer;
    transform: translateX(0);
}

.event-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: #93c5fd;
    transform: translateX(0.25rem);
}

.dark .event-card {
    background-color: #1e293b;
    border-color: #334155;
}

.dark .event-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.25);
    border-color: #3b82f6;
}

.event-card-inner {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* 事件标题 */
.event-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dark .event-title {
    color: #f1f5f9;
}

.event-title i {
    font-size: 1.125rem;
}

/* 事件元信息 */
.event-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #64748b;
}

.dark .event-meta {
    color: #94a3b8;
}

.event-date {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.event-importance {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    color: #f59e0b;
}

/* 事件描述 */
.event-description {
    font-size: 0.75rem;
    color: #475569;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dark .event-description {
    color: #cbd5e1;
}

/* 事件类别标签 */
.event-category {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: capitalize;
}

.event-category.农业 {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.event-category.技术 {
    background-color: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.event-category.文明 {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.event-category.征服 {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.event-category.疾病 {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.event-category.迁徙 {
    background-color: rgba(124, 58, 237, 0.1);
    color: #7c3aed;
}

.dark .event-category.农业 {
    background-color: rgba(6, 95, 70, 0.2);
    color: #34d399;
}

.dark .event-category.技术 {
    background-color: rgba(30, 64, 175, 0.2);
    color: #60a5fa;
}

.dark .event-category.文明 {
    background-color: rgba(91, 33, 182, 0.2);
    color: #a78bfa;
}

.dark .event-category.征服 {
    background-color: rgba(185, 28, 28, 0.2);
    color: #f87171;
}

.dark .event-category.疾病 {
    background-color: rgba(180, 83, 9, 0.2);
    color: #fbbf24;
}

.dark .event-category.迁徙 {
    background-color: rgba(124, 58, 237, 0.2);
    color: #a78bfa;
}

/* 事件列表头部 */
.events-list-header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 0.75rem 0;
    z-index: 10;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1rem;
}

.dark .events-list-header {
    background-color: rgba(30, 41, 59, 0.95);
    border-color: #334155;
}

/* 没有事件提示 */
#no-events-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    color: #64748b;
    text-align: center;
}

.dark #no-events-message {
    color: #94a3b8;
}

/* 事件详情面板 */
.event-details {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    max-width: 32rem;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.event-details-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.event-details-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
}

.event-details-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.event-details-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.event-details-section-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #334155;
}

.event-details-section-content {
    font-size: 0.875rem;
    color: #475569;
}

/* 事件关系图 */
.event-relations {
    margin-top: 1rem;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
}

.relation-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.relation-icon {
    font-size: 1.125rem;
    color: #94a3b8;
}

.relation-text {
    font-size: 0.875rem;
    color: #475569;
}

/* 动画效果 */
.event-card-enter {
    animation: slideIn 0.3s ease-out;
}

.event-card-exit {
    animation: slideOut 0.3s ease-in;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(10px);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .events-container {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .event-card-inner {
        padding: 0.5rem;
    }
    
    .event-title {
        font-size: 0.8rem;
    }
    
    .event-meta, .event-description {
        font-size: 0.7rem;
    }
}