body {
    font-family: Arial,Helvetica,sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.container {
    width: 520px;
    height: 315px;
    background-color: rgba(0,0,0,.5);
    border-radius: 20px;
    box-sizing: border-box;
    padding: 5px;
    display: flex;
    border: 2px solid black;
}

.sidebar {
    width: 103px;
    height: 100%;
    margin-right: 5px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.avatar {
    height: 136.5px;
    width: 100%;
    margin-bottom: 5px;
    border-radius: 15px;
    overflow: hidden;
    background-color: transparent;
}

.avatar-image {
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.menu {
    flex-grow: 1;
    border-radius: 8px;
    padding: 5px;
    box-sizing: border-box;
    overflow-y: auto;
}

.menu::-webkit-scrollbar,.primary-content::-webkit-scrollbar,.secondary-content::-webkit-scrollbar {
    width: 0;
    background: transparent;
}

.content-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 0;
}

.page-header {
    height: 90px;
    background-color: transparent;
    color: white;
    margin-bottom: 5px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    padding: 5px;
    box-sizing: border-box;
}

.header-top {
    height: 25px;
    border-radius: 10px;
    padding: 0;
    box-sizing: border-box;
    margin: 6px 0 7px 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.header-left {
    flex: 0.7;
    border-radius: 10px;
    background-color: rgba(0,0,0,.9);
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-weight: 700;
}

.header-right {
    flex: 2;
    border-radius: 10px;
    background-color: rgba(0,0,0,.9);
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-weight: 700;
    overflow: hidden;
    white-space: nowrap;
}

.header-bottom {
    height: 25px;
    border-radius: 10px;
    background-color: rgba(0,0,0,.9);
    padding: 3px 5px;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-weight: 700;
    overflow: hidden;
    white-space: nowrap;
}

.main-content {
    height: 230px;
    flex-grow: 0;
    display: flex;
    border-radius: 8px;
    overflow: hidden;
}

.content-section {
    display: none;
}

.content-section.active {
    display: flex;
}

.primary-content {
    width: 50%;
    margin-right: 5px;
    padding: 0 10px 0 10px;
    box-sizing: border-box;
    overflow-y: auto;
}

#section2 .secondary-content {
    width: 50%;
    padding: 0 10px 0 10px;
    box-sizing: border-box;
    overflow-y: hidden;
}

.secondary-content {
    width: 50%;
    padding: 0 10px 0 10px;
    box-sizing: border-box;
    overflow-y: auto;
}

.menu-button {
    width: 100%;
    height: 35.5px;
    font-size: 14px;
    font-weight: 700;
    background-color: #0d0d0d;
    border: none;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    color: white;
}

.menu-button.active {
    background-color: rgba(0,0,0,.88);
    color: #ffffff;
    border: 1px solid white;
}

.content-button {
    width: 100%;
    height: 29px;
    font-size: 14px;
    font-weight: 600;
    background-color: rgba(0,0,0,.8);
    border: none;
    border-radius: 5px;
    margin-bottom: 12px;
    padding-left: 5%;
    padding-right: 5%;
    box-sizing: border-box;
    cursor: pointer;
    color: white;
    alignment-adjust
}

.content-button.active {
    background-color: black;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.confirm-button {
    flex: 1.3;
    background-color: rgba(50,50,50,.88);
    border-radius: 5px;
    color: #ffffff;
    border: none;
    font-size: 16px;
    height: 25px;
    cursor: pointer;
    white-space: nowrap;
    text-align: center;
    font-weight: 400;
    min-width: 50px;
    padding: 0 5px;
}

.menu-button:hover,.content-button:hover,.confirm-button:hover {
    opacity: 0.9;
}

.speed-display-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.speed-display {
    height: 24px;
    background-color: rgba(255,255,255,.85);
    font-size: 17.5px;
    font-weight: 450;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0;
}

.control-item {
    width: 97%;
    height: 55px;
    background-color: rgba(0,0,0,.9);
    border-radius: 8px;
    padding: 5px;
    margin-bottom: 12px;
}

.control-item .title {
    color: #fff;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: bold;
}

.control-row {
    display: flex;
    gap: 16px;
    flex: 1;
}

.input-display {
    flex: 3;
    background-color: #fff;
    border-radius: 5px;
    color: #000;
    font-size: 16px;
    font-weight: 400;
    border: none;
    outline: none;
    padding: 0 8px;
    height: 25px;
}