:root {
    --primary-color: #FFB300;
    --primary-light: #FFD54F;
    --primary-dark: #F57C00;
    --secondary-color: #455A64;
    --secondary-light: #607D8B;
    --secondary-dark: #37474F;
    --background-color: #f8f4e1;
    --text-color: #2d3748;
    --border-color: #654321;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --card-background: #ffffff;
    --hover-background: #f5f5f5;
}
.tools-header {
    background: white;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
    transition: all 0.3s ease;
}

.tools-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

.tools-header a {
    text-decoration: none;
    color: var(--primary-dark);
}

@media (max-width: 768px) {
    .tools-header {
        padding: 0.75rem 1.5rem;
        flex-direction: row;
        text-align: center;
        gap: 1rem;
    }
}

.header h1 {
    margin: 0;
    color: var(--primary-dark);
    font-size: 1.5rem;
}

.header a {
    text-decoration: none;
    color: var(--primary-dark);
}