:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f1c40f;
    --text-color: #2c3e50;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --border-color: #dcdcdc;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary-color: #2980b9;
    --secondary-color: #27ae60;
    --text-color: #ecf0f1;
    --background-color: #1a1a1a;
    --card-background: #2d2d2d;
    --border-color: #444444;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.theme-switch {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}
header {
    background-color: var(--card-background);
    color: var(--text-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-color);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    margin-bottom: 5px;
}

.header-left h3 {
    font-size: 14px;
    color: var(--primary-color);
}

.header-left a {
    color: var(--primary-color);
    text-decoration: none;
}

.stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-section {
    margin-bottom: 20px;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper i {
    position: absolute;
    left: 12px;
    color: #666;
}

#search-input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    background-color: var(--card-background);
    color: var(--text-color);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, background-color 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
}

.btn.secondary {
    background-color: var(--secondary-color);
    color: white;
}

.filters {
    display: flex;
    gap: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-size: 14px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-background);
    color: var(--text-color);
}

.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background-color: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.stat-card i {
    font-size: 24px;
}

.stat-card span:nth-child(2) {
    font-size: 24px;
    font-weight: bold;
}

.loading {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 40px;
    gap: 10px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cve-list {
    display: grid;
    gap: 15px;
}

.cve-item {
    background-color: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow-color);
    cursor: pointer;
    transition: transform 0.2s;
}

.cve-item:hover {
    transform: translateY(-2px);
}

.cve-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.cve-id {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 18px;
}

.severity-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.severity-critical { background-color: var(--danger-color); color: white; }
.severity-high { background-color: #e67e22; color: white; }
.severity-medium { background-color: var(--warning-color); color: #2c3e50; }
.severity-low { background-color: #95a5a6; color: white; }
.severity-unknown { background-color: #7f8c8d; color: white; }

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: var(--card-background);
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideIn 0.3s;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.close {
    color: var(--text-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

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

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    padding: 12px 24px;
    margin: 5px;
    border-radius: 4px;
    color: white;
    opacity: 0;
    transition: opacity 0.3s;
}

.toast.show {
    opacity: 1;
}

.toast-success { background-color: var(--secondary-color); }
.toast-error { background-color: var(--danger-color); }
.toast-info { background-color: var(--primary-color); }
.toast-warning { background-color: var(--warning-color); }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .statistics {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Pagination styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    gap: 5px; /* 按钮之间的间距 */
}

.pagination-button {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.pagination-button:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.pagination-button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-ellipsis {
    padding: 8px 16px;
    color: var(--text-color);
}