body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f0f2f5;
    margin: 0;
    padding: 0;
    color: #1c1e21;
}

.dashboard {
    max-width: 1400px;
    margin: 20px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-box {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border-top: 4px solid #4a6baf;
}

.stat-number {
    font-size: 26px;
    font-weight: bold;
    color: #2c3e50;
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: #7f8c8d;
    text-transform: uppercase;
    font-weight: 600;
}

.export-btn {
    background: #4a6baf;
    color: white;
    border: none;
    padding: 9px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    display: inline-block;
    margin-right: 8px;
}

.export-btn:hover {
    opacity: 0.9;
}

.log-table {
    overflow-x: auto;
    margin-top: 15px;
}

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

th, td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid #edf2f7;
    font-size: 13px;
}

th {
    background: #f7fafc;
    color: #4a5568;
    font-weight: 600;
}

.badge.opened {
    background: #48bb78;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
}