body {
    background-color: #222222;
    color: #66cc66;
    font-family: monospace;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.back-button {
    color: #66cc66;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 1rem;
}

.main-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.container {
    background-color: #333333;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-align: center;
    max-width: 600px;
    width: 90%;
}

h1 {
    margin-bottom: 2rem;
    color: #66cc66;
}

h2 {
    margin-bottom: 1rem;
    color: #66cc66;
}

.section {
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.input-field {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 150px;
}

.input-field label {
    margin-bottom: 0.5rem;
    color: #66cc66;
    font-weight: bold;
}

.input-field input {
    background-color: #222222;
    color: #66cc66;
    border: 1px solid #66cc66;
    padding: 0.5rem;
    border-radius: 5px;
    font-family: monospace;
    font-size: 1em;
    width: 100%;
}

.input-field input:focus {
    outline: none;
    border-color: #88e888;
    box-shadow: 0 0 5px rgba(102, 204, 102, 0.5);
}

.generate-btn {
    background-color: #66cc66;
    color: #222222;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2em;
    margin-bottom: 2rem;
    font-weight: bold;
}

.generate-btn:hover {
    background-color: #88e888;
}

.result-container {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-number {
    font-size: 3em;
    font-weight: bold;
    color: #66cc66;
}

a {
    color: #66cc66;
    text-decoration: underline;
    transition: color 0.3s ease;
}

a:hover {
    color: #88e888;
    text-decoration: underline;
}

.coffee-link {
    text-align: center;
    margin-top: 2rem;
}

.about-content {
    text-align: center;
    padding: 1rem;
}

.about-section {
    margin-top: 3rem;
}

.about-section h2 {
    text-align: center;
}

@media (max-width: 768px) {
    .input-group {
        flex-direction: column;
        align-items: center;
    }
    
    .input-field {
        width: 100%;
        max-width: 250px;
    }
    
    .about-content {
        padding: 0.5rem;
    }
}