body {
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
}

h2 {
    margin-top: 25px;
    font-size: 18px;
    color: #38bdf8;
    border-bottom: 1px solid #334155;
    padding-bottom: 5px;
}

.item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1e293b;
    padding: 10px 15px;
    margin: 8px 0;
    border-radius: 10px;
    transition: 0.2s;
}

.item:hover {
    transform: scale(1.02);
}

.label {
    font-size: 14px;
}

.code {
    font-weight: bold;
    color: #22c55e;
    margin-left: 6px;
}

button {
    background: #38bdf8;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: 0.2s;
}

button:hover {
    background: #0ea5e9;
}

button.copied {
    background: #22c55e;
    color: white;
}