.coins-title {
    text-align: center;
    margin-top: 1em;
    font-size: 2em;
}

.coins-balance {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3em;
    margin-bottom: 1em;
    gap: 0.5em;
}

.coin-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2em;
    padding: 1em;
}

.coin-option-card {
    background: #fffbe6;
    border-radius: 1em;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 1em;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s;
}

    .coin-option-card:hover {
        box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    }

.coin-option-icon {
    font-size: 2.5em;
    color: #FFD700;
    margin-bottom: 0.5em;
}

.coin-option-details h3 {
    margin: 0.2em 0;
    font-size: 1.2em;
}

.coin-option-details p {
    font-size: 1em;
    color: #555;
    margin-bottom: 0.5em;
}

.coin-option-cost {
    font-weight: bold;
    color: #333;
    margin-bottom: 0.7em;
    display: flex;
    align-items: center;
    gap: 0.3em;
}

.coin-spend-btn {
    background: #FFD700;
    color: #333;
    border: none;
    border-radius: 0.5em;
    padding: 0.5em 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

    .coin-spend-btn:hover {
        background: #FFC300;
    }

.coin-message {
    text-align: center;
    margin-top: 1em;
    color: #d35400;
    font-weight: bold;
}

@media (max-width: 600px) {
    .coins-title {
        font-size: 1.3em;
    }

    .coin-options-grid {
        grid-template-columns: 1fr;
    }

    .coin-option-card {
        padding: 0.7em;
    }

    .coin-option-icon {
        font-size: 2em;
    }
}