.nickname-confirm-overlay {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--scrim, rgba(4, 3, 3, 0.82));
    backdrop-filter: blur(10px);
}

.nickname-confirm-overlay.show { display: flex; }

.nickname-confirm-dialog {
    width: min(420px, 100%);
    padding: 32px;
    border: 1px solid var(--border-medium, rgba(200, 169, 126, 0.28));
    border-radius: var(--radius-medium, 8px);
    background: var(--bg-card, #151311);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.nickname-confirm-title {
    margin-bottom: 10px;
    color: var(--text-primary, #e8e6e3);
    font-family: 'Cormorant Garamond', serif;
    font-size: 25px;
}

.nickname-confirm-copy {
    color: var(--text-secondary, #98968f);
    font-size: 13px;
    line-height: 1.7;
}

.nickname-confirm-value {
    margin: 18px 0;
    padding: 14px 16px;
    border: 1px solid rgba(200, 169, 126, 0.35);
    border-radius: var(--radius-soft, 4px);
    background: rgba(200, 169, 126, 0.08);
    color: var(--accent-gold, #c8a97e);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    word-break: break-word;
}

.nickname-confirm-warning {
    color: var(--accent-rose, #b8857a);
    font-size: 12px;
    line-height: 1.7;
}

.nickname-confirm-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.nickname-confirm-actions button {
    flex: 1;
    padding: 11px 14px;
    border-radius: var(--radius-soft, 4px);
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.nickname-confirm-cancel {
    border: 1px solid var(--border-medium, rgba(200, 169, 126, 0.28));
    background: transparent;
    color: var(--text-secondary, #98968f);
}

.nickname-confirm-submit {
    border: 1px solid rgba(200, 169, 126, 0.45);
    background: rgba(200, 169, 126, 0.14);
    color: var(--accent-gold, #c8a97e);
}

.nickname-confirm-actions button:disabled {
    cursor: wait;
    opacity: 0.55;
}

@media (max-width: 480px) {
    .nickname-confirm-dialog { padding: 26px 22px; }
    .nickname-confirm-actions { flex-direction: column-reverse; }
}