/* Barra de compartir en redes sociales */
.share-section {
    margin: 28px 0 50px;
    padding: 24px 40px 26px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--card-shadow);
}

.share-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.share-title i {
    color: var(--accent-primary);
}

.share-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 10px;
    align-items: stretch;
    width: 100%;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    box-sizing: border-box;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    box-shadow: none;
    transition: var(--transition);
}

.share-btn[hidden] {
    display: none;
}

.share-btn i {
    font-size: 1.05rem;
}

.share-btn:hover,
.share-btn:focus-visible {
    color: var(--text-primary);
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
    box-shadow: none;
}

.share-btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.share-btn-fediverse {
    border-color: rgba(16, 185, 129, 0.28);
    background: rgba(16, 185, 129, 0.08);
    color: var(--accent-primary);
}

.share-btn-fediverse:hover,
.share-btn-fediverse:focus-visible {
    background: rgba(16, 185, 129, 0.16);
    border-color: rgba(16, 185, 129, 0.45);
    color: var(--accent-secondary);
}

.share-btn-native,
.share-btn-primary {
    border-color: transparent;
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.share-btn-native:hover,
.share-btn-native:focus-visible,
.share-btn-primary:hover,
.share-btn-primary:focus-visible {
    background: var(--accent-gradient-hover);
    color: #fff;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.share-btn-ghost {
    background: transparent;
}

.share-noscript {
    margin: 12px 0 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.share-feedback {
    min-height: 1.2em;
    margin: 10px 0 0;
    color: var(--accent-secondary);
    font-size: 0.85rem;
    line-height: 1.3;
}

/* Diálogo para elegir la instancia de Mastodon o el pod de Diaspora */
.share-dialog {
    width: min(430px, calc(100vw - 32px));
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-main);
    color: var(--text-primary);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
}

.share-dialog::backdrop {
    background: rgba(2, 6, 17, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.share-dialog form {
    padding: 24px;
}

.share-dialog h3 {
    margin: 0 0 8px;
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.share-dialog-help {
    margin: 0 0 18px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.share-dialog label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.share-dialog input {
    margin-bottom: 0;
}

.share-dialog-error {
    min-height: 1.2em;
    margin: 8px 0 0;
    color: var(--danger);
    font-size: 0.82rem;
    line-height: 1.3;
}

.share-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 16px;
}

@media (max-width: 859px) {
    .share-actions {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .share-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .share-section {
        padding: 18px 40px 20px;
    }

    .share-actions {
        gap: 8px;
    }

    .share-btn {
        padding: 10px 8px;
        font-size: 0.82rem;
        gap: 6px;
    }

    .share-dialog form {
        padding: 20px;
    }

    .share-dialog-actions {
        flex-direction: column-reverse;
    }

    .share-dialog-actions .share-btn {
        flex-basis: auto;
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .share-btn {
        transition: none;
    }

    .share-btn:hover,
    .share-btn:focus-visible {
        transform: none;
    }
}