body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: #121212;
    color: #fff;
}

.container {
    max-width: 700px;
    margin: 50px auto;
    background: #1e1e1e;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
}

.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo img {
    max-width: 120px;
    margin-bottom: 10px;
}

.wallet-section, .message-section {
    margin: 20px 0;
}

input[type="text"] {
    width: calc(100% - 140px);
    padding: 12px;
    border-radius: 8px;
    border: none;
    margin-right: 10px;
    font-size: 16px;
}

/* Żółte przyciski w stylu Celo */
button {
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    background: linear-gradient(90deg, #FFD43B, #FFB800); /* Celo żółty gradient */
    color: #121212; /* ciemny tekst pasujący do żółtego */
    transition: transform 0.2s, opacity 0.2s;
}

button:hover {
    transform: scale(1.05);
    opacity: 0.9;
    background: linear-gradient(90deg, #FFE066, #FFC300); /* jaśniejszy żółty przy hover */
}

#messages div {
    background: #2a2a2a;
    margin: 10px 0;
    padding: 12px;
    border-radius: 8px;
}

h2 {
    border-bottom: 1px solid #333;
    padding-bottom: 8px;
}

@media (max-width: 768px) {
    input[type="text"] {
        width: 100%;
        margin-bottom: 10px;
    }

    button {
        width: 100%;
    }
}