html {
    box-sizing: border-box;
    overflow: -moz-scrollbars-vertical;
    overflow-y: scroll;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    margin: 0;
    background: #fafafa;
    padding-top: 60px;
}

#spec-selector-container {
    background-color: #fff;
    border-bottom: 1px solid #e8e8e8;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

#spec-selector-container label {
    font-weight: 600;
    font-size: 14px;
    color: #3b3b3b;
    margin: 0;
}

#spec-selector {
    padding: 8px 12px;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    background-color: #fff;
    font-size: 14px;
    cursor: pointer;
    color: #3b3b3b;
    min-width: 200px;
    transition: border-color 0.2s;
}

#spec-selector:hover {
    border-color: #999;
}

#spec-selector:focus {
    outline: none;
    border-color: #4990e2;
    box-shadow: 0 0 0 3px rgba(73, 144, 226, 0.1);
}

#spec-selector optgroup {
    font-weight: 600;
    color: #3b3b3b;
}

#spec-selector option {
    color: #3b3b3b;
    background-color: #fff;
    padding: 4px;
}