/* nova-modal.css - novaConfirm()/novaAlert() dialog
   Follows the #about-modal / #universal-help-modal convention in
   base.css / nova-theme.css: fixed full-viewport overlay, display:none by
   default, .is-visible toggles display:flex + opacity, --z-modal layer. */

#nova-modal {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: var(--overlay-dark);
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity 0.2s ease;
    align-items: center;
    justify-content: center;
}

#nova-modal.is-visible {
    display: flex !important;
    opacity: 1;
}

#nova-modal .nova-modal-content {
    position: relative;
    background: var(--bg-white);
    width: 90%;
    max-width: 420px;
    box-sizing: border-box;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    padding: var(--space-6);
}

[data-theme="dark"] #nova-modal .nova-modal-content {
    border: 1px solid var(--border-color);
}

#nova-modal .nova-modal-title {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

#nova-modal .nova-modal-message {
    margin: 0 0 var(--space-5);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--text-secondary);
    white-space: pre-wrap;
}

#nova-modal .nova-modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

@media (max-width: 600px) {
    #nova-modal .nova-modal-content {
        width: calc(100% - 32px);
        padding: var(--space-4);
    }

    #nova-modal .nova-modal-buttons {
        flex-direction: column-reverse;
    }

    #nova-modal .nova-modal-buttons button {
        width: 100%;
        justify-content: center;
    }
}