body {
    font-family: 'Inter', sans-serif;
    margin: 20px;
    background-color: #121212;
    color: #D3D3D3;
    text-align: center;
}

h1 {
    font-family: 'Sora', sans-serif;
    font-size: 2rem;
    color: #50C878;
    margin-bottom: 20px;
}

#calculator {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    width: fit-content;
    margin: 0 auto 20px;
}

label {
    display: block;
    font-size: 1.2rem;
    color: #FFD700;
    margin-bottom: 10px;
}

.input-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

input[type="number"], select {
    font-size: 1rem;
    padding: 10px;
    margin: 0 5px;
    border: 2px solid #50C878;
    border-radius: 5px;
    background-color: #2c2c2c;
    color: #D3D3D3;
    text-align: center;
    box-shadow: 0 0 5px #50C878;
    transition: all 0.3s ease;
}

input[type="number"]::placeholder {
    color: #D3D3D3;
    opacity: 0.7;
}

input[type="number"]:focus, select:focus {
    outline: none;
    border-color: #FFD700;
    box-shadow: 0 0 10px #FFD700;
}

select {
    background-color: #2c2c2c;
    color: #D3D3D3;
    border: 2px solid #50C878;
    cursor: pointer;
    transition: all 0.3s ease;
}

button {
    font-family: 'Inter', sans-serif;
    background-color: #50C878;
    color: #121212;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 0 10px #50C878;
    transition: background-color 0.3s, box-shadow 0.3s;
}

button:hover {
    background-color: #FFD700;
    box-shadow: 0 0 10px #FFD700, 0 0 20px #FFD700;
}

.timeResult, .disclaimer {
    visibility: hidden;
    margin-top: 10px;
    background-color: #1e1e1e;
    padding: 10px;
    border-radius: 5px;
    color: #50C878;
    box-shadow: 0 0 10px #50C878;
}

.disclaimer {
    background-color: #2c2c2c;
    color: #D3D3D3;
}

#helpButton {
    font-size: 2rem;
    color: #D3D3D3;
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background-color: #333;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 999;
    transition: opacity 0.3s;
    box-shadow: 0 0 10px #50C878;
}

#helpButton.clicked {
    opacity: 0.5;
}

#helpButton:focus {
    outline: none;
}

.help-prompt {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 5px;
    padding: 20px;
    max-width: 300px;
    width: 80%;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: promptAnimation 0.5s ease-in-out;
}

.help-prompt h3 {
    margin-top: 0;
}

.help-prompt p {
    margin-bottom: 20px;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(5px);
    z-index: 999;
}

@keyframes promptAnimation {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}