/* Model Drawing Tool - Custom Styling */

body {
    background: var(--background-light);
}

.header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
}

.back-link {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.8;
}

.main-header h1 {
    margin: 0;
    text-align: center;
}

main {
    max-width: 100%;
    padding: 0;
    margin: 0;
}

.toolbar {
    background: #fff;
    padding: 12px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.toolbar button {
    padding: 8px 16px;
    font-size: 0.95rem;
    border: none;
    border-radius: 4px;
    background: var(--primary-green);
    color: var(--text-light);
    cursor: pointer;
    transition: background 0.2s;
}

.toolbar button:hover {
    background: var(--primary-blue);
}

.toolbar input[type="color"] {
    width: 40px;
    height: 32px;
    border: 1px solid #bbb;
    border-radius: 4px;
    cursor: pointer;
}

.toolbar label {
    font-size: 0.9rem;
    margin-right: 8px;
    color: var(--text-main);
}

.toolbar-separator {
    color: #ccc;
    margin: 0 5px;
    opacity: 0.5;
}

.canvas-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 200px);
    padding: 20px;
    background: var(--background-light);
}

#modelCanvas {
    background: #fff;
    border: 2px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}