body {
    margin: 0;
    background-color: #ccc;
    font-family: "Segoe UI", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 320px;
}

.card h2 {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    color: #003366;
}

.input-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
}

.input-group input {
    border: none;
    padding: 0.75rem;
    flex: 1;
    font-size: 1rem;
    outline: none;
}

.input-group span {
    padding: 0.75rem;
}

button {
    background-color: #0052cc;
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
}

button:disabled,
button:hover:disabled {
    background-color: #ccc;
    color: #666;
    cursor: not-allowed;
}

button span,
button svg {
    line-height: 24px;
    vertical-align: middle;
    display: inline-block;
}

button:hover {
    background-color: #0041a3;
}

.warning-container {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
    margin-top: 10px;
    padding: 5px 10px;
    border-radius: 5px;
    text-align: left;
}

.warning-container.hide {
    display: none;
}

@media (max-width: 480px) {
    .card {
        min-width: 70% !important;
    }
}