/* Unit Converter Specific Styles */

.tool-container {
    max-width: 900px;
    margin: 2rem auto;
}

.tutorial {
    background-color: var(--secondary-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.tutorial h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: left;
}

.tutorial ol {
    margin-left: 1.5rem;
}

.tutorial li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.tutorial strong {
    font-weight: 600;
}

.category-selector {
    background-color: var(--secondary-bg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.category-selector h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

#categorySelect {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
}

#categorySelect:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: -2px;
}

.converter-panel {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.conversion-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: end;
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    font-size: 1.125rem;
}

.input-group input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.input-group input:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: -2px;
}

.input-group input[readonly] {
    background-color: var(--secondary-bg);
}

.input-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.input-group select:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: -2px;
}

.swap-btn {
    background-color: var(--text-primary);
    color: var(--primary-bg);
    border: none;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.swap-btn:hover {
    background-color: var(--text-secondary);
}

.action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.formula-display {
    background-color: var(--secondary-bg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.formula-display h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.formula-display p {
    color: var(--text-secondary);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .tutorial {
        padding: 1.5rem;
    }

    .converter-panel {
        padding: 1.5rem;
    }

    .conversion-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .swap-btn {
        width: 100%;
        height: 40px;
        margin: 0;
    }

    .action-row {
        grid-template-columns: 1fr;
    }

    .input-group input {
        font-size: 1rem;
    }
}