* {
    box-sizing: border-box;
    font-family: sans-serif;
}

/* Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* Modal container */
.modal {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.modal h2 {
    margin-top: 0;
}

.modal label {
    display: block;
    margin: 10px 0 5px;
}

.modal input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.modal .error {
    color: red;
    font-size: 0.9em;
    display: none;
    margin-bottom: 10px;
}

.modal button {
    padding: 10px 15px;
    border: none;
    background: #007BFF;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
}