body {
    background-color: black; 
    color: #e0e0e0; 
    font-size: min(max(2.4vh, 16px), 16px);
    margin: 0;
    font-family: "Noto Sans Mono", "Noto Sans SC";
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    transition: all 1s ease;
}

.header {
    height: max(5vh, 29px);
    align-items: center;
    justify-content: center;
    display: flex;
    position: fixed;
    width: 100%;
    top: 0;
}

.content {
    
    height: calc(100vh - max(5vh, 50px) - max(5vh, 29px));
    margin-top: max(5vh, 29px);
    align-items: center;
    justify-content: center;
    display: flex;
    flex-direction: column;
}

.footer {
    height: max(5vh, 50px);
    align-items: center;
    justify-content: center;
    display: flex;
}

.header-container {
    align-items: center;
    justify-content: center;
    display: flex;
    width: 95vw;
    height: 100%;
}

.title {
    float: left;
}

.toggle-theme {
    
    float: right;
}

.control-left {
    
    margin-left: 2.5vw;
    margin-right: 2.5vw;
    width: min(45%, 302px);
    height: min(100%, 800px);
    align-items: center;
    justify-content: center;
    display: flex;
    flex-direction: column;
}

.control-right {
    
    margin-right: 2.5vw;
    width: min(45%, 302px);
    height: 100%;
    align-items: center;
    justify-content: center;
    display: flex;
    flex-direction: column;
}

.content1 {
    
    height: 36%;
    width: min(70%, 445px);
    align-items: center;
    justify-content: center;
    display: flex;
}

.content2 {
    
    height: 20%;
    width: 100%;
    align-items: center;
    justify-content: center;
    display: flex;
}

.output-container {
    border-radius: 12px;
    color: #ccc;
    padding: 16px;
    margin-top: 10vh;
    height: 36%;
    width: min(max(35vw, 256px), 514px);
    border: 2px solid #313131;
    overflow-y: auto;
}

.output-container::-webkit-scrollbar {
    width: 8px;
}

.output-container::-webkit-scrollbar-thumb {
    background-color: #ffffff66;
    border-radius: 4px;
}

button {
    background-color: #444; 
    color: #e0e0e0; 
    border: none;
    /* padding: 1vw 2vw; */
    font-family: "Noto Sans Mono";
    cursor: pointer;
    transition: all 0.5s ease;
}

button:hover {
    background-color: #555; 
}

button:active {
    background-color: #666; 
}

input {
    width: 50%;
    padding: 10px;
    border: 2px solid #333; 
    border-radius: 8px;
    font-family: "Noto Sans Mono";
    font-size: min(max(2.4vh, 16px), 16px);
    color: #e0e0e0; 
    background-color: #333; 
    text-align: center;
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: #888; 
    outline: none;
    background-color: #444; 
}

.controls {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hz-controls {
    margin-top: 10px;
}

.toggle {
    width: min(50%, 20vw, 218px);
    padding: 0.8vh 0.5vw;
    
    border-radius: 8px;
    font-size: min(max(2.4vh, 16px), 16px);
}

.number-container {
    margin: 10px 0px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.number-container::after {
    content: "Hz";
    color: #777777; 
    position: relative;
    margin-left: -25px;
    font-size: min(max(2.4vh, 16px), 16px);
    top: 0px;
    left: -4px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.number-container:hover::after {
    z-index: -999;
}

.hz-span {
    margin-left: 5px;
}

a {
    text-decoration: none;
    color: #777777; 
}

.toggle-theme-button {
    padding: 1vh 2vw;
}

select {
    background-color: #444;
    color: #e0e0e0;
    border: 2px solid #3e3e3e;
    border-radius: 8px;
    padding: 0.5vh 1vw;
    margin-bottom: 1vh;
    font-size: min(max(2.4vh, 16px), 16px);
    transition: background-color 0.3s ease, color 0.3s ease;
}

select:hover {
    background-color: #555;
    color: #ffffff;
}

select:focus {
    outline: none;
    border-color: #777;
    background-color: #666;
}