body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
}

/* Tool Icon Container for Material Cards */
.tool-icon-container {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: background-color 0.3s;
}

.tool-icon-container i {
    font-size: 5rem;
    color: white;
}

/* Tool Interface (Keep existing tool styles) */
.tool-workspace { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-top: 20px; }
.btn { background: #3498db; color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; font-size: 1rem; }
.btn:hover { background: #2980b9; }

/* Slider Caption Background */
.slider .slides li .caption {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
    top: 25%;
}