/* assets/css/styles.css */

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

header h1 {
    color: #333333;
}

.upload-btn {
    padding: 10px 20px;
    background-color: #28a745;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 5px;
    font-size: 16px;
}

.upload-btn:hover {
    background-color: #218838;
}

.metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    margin-bottom: 40px;
}

.metric-card {
    flex: 1 1 calc(25% - 20px);
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.metric-card h3 {
    margin-bottom: 15px;
    color: #495057;
}

.metric-card p {
    font-size: 24px;
    font-weight: bold;
    color: #343a40;
}

.charts {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: space-between;
}

.chart-container {
    flex: 1 1 calc(50% - 30px);
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.chart-container h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #495057;
}

canvas {
    max-width: 100%;
    height: 400px;
}

button {
    display: block;
    margin: 30px auto 0;
    padding: 12px 25px;
    background-color: #007bff;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 5px;
    font-size: 16px;
}

button:hover {
    background-color: #0069d9;
}

.error, .success {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
}

.success {
    background-color: #d4edda;
    color: #155724;
}

/* Responsive Design */
@media (max-width: 992px) {
    .metric-card, .chart-container {
        flex: 1 1 100%;
    }
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .upload-btn {
        margin-top: 15px;
        width: 100%;
    }
}