.converter-container {
    max-width: 600px;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    padding: 2rem;
}

.unit-input, .unit-output {
    font-size: 1.2rem;
    padding: 1rem;
    border-radius: 15px;
    border: 2px solid var(--secondary-color);
    background-color: #f8f9fa;
    color: var(--text-dark);
}

.unit-input:focus, .unit-output:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 20, 147, 0.3);
    outline: none;
}

.unit-select {
    font-size: 1rem;
    padding: 0.75rem;
    border-radius: 15px;
    border: 2px solid var(--secondary-color);
    background-color: white;
    color: var(--text-dark);
}

.unit-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 20, 147, 0.3);
    outline: none;
}

.category-btn {
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    margin: 0.25rem;
    border: 2px solid var(--secondary-color);
    background-color: white;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.category-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.category-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.swap-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: 2px solid var(--accent-color);
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.swap-btn:hover {
    background-color: #29b6f6;
    border-color: #29b6f6;
    transform: rotate(180deg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.conversion-result {
    background-color: rgba(255, 20, 147, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.result-text {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
}

.conversion-card {
    background-color: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    border: 2px solid var(--secondary-color);
}

.conversion-title {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .converter-container {
        padding: 1.5rem;
        max-width: 500px;
    }
    
    .category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .unit-input, .unit-output {
        font-size: 1rem;
        padding: 0.8rem;
    }
    
    .swap-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .converter-container {
        padding: 1rem;
    }
    
    .category-btn {
        width: 100%;
        margin: 0.2rem 0;
    }
    
    .conversion-card {
        padding: 1rem;
    }
}