.nb-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 10, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 16px;
}

.nb-overlay.nb-open {
    display: flex;
}

.nb-popup {
    position: relative;
    background-color: #0a0a12;
    color: white;
    font-family: "Audiowide", sans-serif;
    max-width: 440px;
    width: 100%;
    padding: 40px 32px 28px;
    border: 1px solid #8a2be2;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.45);
}

.nb-popup h2 {
    margin: 0 0 12px;
    font-size: 1.6rem;
    font-weight: normal;
}

.nb-popup p {
    margin: 0 0 24px;
    font-size: 1rem;
    line-height: 1.6;
}

.nb-btn {
    padding: 12px 24px;
    display: inline-block;
    text-decoration: none;
    font-family: "Audiowide", sans-serif;
    font-size: 1.2rem;
    color: white;
    background-color: #8a2be2;
    border: 1px solid #8a2be2;
    border-radius: 8px;
    cursor: pointer;
    transition: box-shadow 0.2s, border-color 0.2s, background-color 0.2s;
}

.nb-btn:hover {
    background-color: #a04df0;
    border-color: #a04df0;
    box-shadow: 0 0 16px rgba(138, 43, 226, 0.8);
}

.nb-close {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    color: white;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s;
}

.nb-close:hover {
    color: #8a2be2;
}

.nb-later {
    display: block;
    margin: 16px auto 0;
    background: none;
    border: none;
    color: white;
    opacity: 0.6;
    font-family: "Audiowide", sans-serif;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: underline;
    transition: opacity 0.2s;
}

.nb-later:hover {
    opacity: 1;
}