.track-configurator {
    display: flex;
    font-family: sans-serif;
}
.tc-sidebar {
    width: 200px;
	min-width: 200px;
    padding: 20px;
    background: #f5f5f5;
}
.tc-sidebar ul li {
    margin: 10px 0;
    opacity: 0.6;
}
.tc-sidebar ul li.active {
    font-weight: bold;
    opacity: 1;
}

.tc-content {
    flex: 1;
    padding: 30px;
}
.tc-options {
    display: flex;
    gap: 20px;
    margin: 30px 0;
}
.tc-option {
    flex: 1;
    border: 2px solid #ccc;
    padding: 20px;
    cursor: pointer;
    text-align: center;
}
.tc-option.selected {
    border-color: orange;
    background: #fff8e5;
}
.tc-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}
.tc-buttons button {
    padding: 10px 20px;
    font-size: 16px;
}
.tc-buttons .tc-back:disabled {
    opacity: 0.5;
    cursor: default;
}

.tc-option.brand-option {
    width: 180px;
    border: 2px solid #ccc;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
    border-radius: 5px;
}

.tc-option.brand-option img {
    width: 100%;
    height: auto;
    max-height: 100px;
    object-fit: contain;
    margin-bottom: 10px;
}

.tc-option.brand-option.selected {
    border-color: orange;
    background: #fff8e5;
}

#dimensions-form label {
    display: block;
    margin-bottom: 15px;
    font-weight: bold;
}

#dimensions-form input {
    padding: 8px;
    width: 150px;
    margin-left: 10px;
}

#dimensions-visual {
    margin-top: 20px;
    border: 1px solid #ccc;
    padding: 10px;
    display: inline-block;
    background: #fafafa;
}