* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


.calculator-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #3B82F6;
}

.result-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    background-color: #3B82F6;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.375rem;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #2563EB;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .tool-icon {
        font-size: 2rem;
    }
}