* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    overflow: hidden;
}

h1 {
    color: #1a73e8;
    text-align: center;
    padding: 15px 0;
    margin-bottom: 20px;
    border-bottom: 2px solid #eaeaea;
}

h2 {
    color: #0d47a1;
    margin: 15px 0;
    font-size: 1.5em;
}

h3 {
    color: #3f51b5;
    margin: 10px 0;
    font-size: 1.2em;
}

button {
    background-color: #1a73e8;
    color: white;
    border: none;
    padding: 8px 16px;
    margin: 5px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0d47a1;
}

.dashboard {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.control-panel {
    flex: 1;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.visualization {
    flex: 2;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.database-content, .timeline-content {
    min-height: 150px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    margin-top: 10px;
    overflow-y: auto;
}

.chart-container {
    margin-top: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    height: 350px;
    position: relative;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
    max-height: 300px;
}

.logs-panel, .info-panel {
    margin-top: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.logs-content, .info-content {
    min-height: 120px;
    max-height: 200px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    margin-top: 10px;
    overflow-y: auto;
    font-family: monospace;
    white-space: pre-wrap;
}

.backup-section, .database-actions, .restore-section {
    margin-bottom: 15px;
}

.timeline-item {
    margin: 5px 0;
    padding: 5px;
    border-left: 3px solid #1a73e8;
    padding-left: 10px;
}

.database-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.database-table th, .database-table td {
    border: 1px solid #ddd;
    padding: 8px 12px;
    text-align: left;
}

.database-table th {
    background-color: #f2f2f2;
}

.database-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.log-entry {
    margin: 5px 0;
    padding: 3px;
    font-size: 0.9em;
}

.full-backup {
    border-left: 4px solid #4CAF50;
    padding-left: 10px;
}

.diff-backup {
    border-left: 4px solid #2196F3;
    padding-left: 10px;
}

.log-backup {
    border-left: 4px solid #FF9800;
    padding-left: 10px;
}

.operation {
    border-left: 4px solid #9C27B0;
    padding-left: 10px;
}

.crash {
    color: #F44336;
    font-weight: bold;
}

.restore {
    border-left: 4px solid #F44336;
    padding-left: 10px;
    background-color: #ffebee;
}

@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    
    .control-panel, .visualization {
        width: 100%;
    }
}