body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #2b2b2b;
    color: #e0e0e0;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding: 20px;
}
h1 {
    margin-top: 0;
}
#toolbar {
    background: #3c3c3c;
    padding: 15px 25px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    display: flex;
    gap: 40px;
}
.tool-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.tool-section strong {
    margin-bottom: 2px;
    color: #fff;
}
.options {
    display: flex;
    gap: 15px;
}
label {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}
svg {
    background-color: #f5f5f5;
    border: 2px solid #555;
    border-radius: 4px;
    cursor: crosshair;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.wall {
    stroke: #444;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke 0.2s;
}
.wall:hover {
    stroke: #d32f2f;
}
.clayperson {
    transition: fill 0.2s, opacity 0.2s;
    cursor: pointer;
}