.edu-card {
    max-width: 500px;
    margin: 20px auto;
    padding: 25px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.edu-card:hover {
    transform: translateY(-5px);
}

.input-group {
    margin: 15px 0;
}

.input-wrapper {
    margin-bottom: 15px;
}

.input-wrapper label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 500;
    color: #f0f0f0;
}

.edu-card input {
    display: block;
    width: 100%;
    margin: 0;
    padding: 12px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.edu-card input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.3);
}

.edu-calc {
    width: 100%;
    padding: 12px;
    background: #00e676;
    border: none;
    border-radius: 8px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    transition: all 0.3s ease;
}

.edu-calc:hover {
    background: #00c853;
    transform: scale(1.02);
}

.edu-result {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.performance-indicator {
    margin-top: 15px;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.performance-bar {
    margin-top: 15px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.performance-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f44336, #ff9800, #ffc107, #8bc34a, #4caf50);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.chart-container {
    margin-top: 20px;
    max-height: 200px;
    position: relative;
}

.edu-chart {
    max-height: 180px;
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .edu-card {
        margin: 15px;
        padding: 20px;
    }
    
    .edu-result {
        font-size: 16px;
    }
}