.hero-section {
    background: linear-gradient(135deg, #007bff, #00c6ff);
    border-bottom: 4px solid #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.upload-card, .gauge-card, .table-card {
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.upload-card:hover, .gauge-card:hover, .table-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.gauge {
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.table-container {
    width: 100%;
    overflow-x: auto;
}

.table-header {
    background-color: #007bff;
    color: white;
    font-weight: bold;
    border-bottom: 2px solid #0056b3;
}

.table-row {
    background-color: #ffffff;
    transition: background-color 0.2s ease;
}

.table-row-odd {
    background-color: #f8f9fa;
}

.table-row-hover {
    background-color: #e9ecef;
    cursor: pointer;
}

h4 {
    text-align: center;
    color: #333;
}

.btn-primary {
    background: linear-gradient(45deg, #007bff, #00c6ff);
    border: none;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, #0096cc);
}

.btn-success {
    background: linear-gradient(45deg, #28a745, #34ce57);
    border: none;
    animation: successPulse 0.5s ease-in-out;
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

#status {
    font-size: 0.9rem;
    transition: color 0.3s ease;
}