/* ==================== ARTICOLI PAGE ==================== */

/* ---- Griglia ---- */
.articoli-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    margin-top: 2rem;
    margin-bottom: 40px;
}

/* ---- Card ---- */
.articolo-card {
    background: #fff;
    border: 3px solid var(--black);
    border-radius: 16px;
    box-shadow: 5px 5px 0 0 var(--black);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    overflow: hidden;
}

@media (hover: hover) {
    .articolo-card:hover {
        transform: translate(-3px, -3px);
        box-shadow: 8px 8px 0 0 var(--black);
    }
}

.articolo-card:active {
    transform: scale(0.97);
    box-shadow: 3px 3px 0 0 var(--black);
}

.articolo-card--cta {
    background: var(--color-verde);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

/* Card cover */
.articolo-card__cover {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #d4e4c9 0%, #c5d9b8 50%, #b8ceab 100%);
    border-bottom: 3px solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.articolo-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Card content */
.articolo-card__content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.articolo-card__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin: 0 0 12px 0;
    color: var(--black);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.articolo-card__author {
    font-family: var(--font-body);
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}

.articolo-card__author span {
    font-weight: 600;
    color: var(--black);
}

.articolo-card__abstract {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    color: var(--black);
    margin: 0 0 24px 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card footer */
.articolo-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    margin-top: auto;
    border-top: 2px solid rgba(0, 0, 0, 0.1);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.articolo-card__footer-stats {
    display: flex;
    gap: 12px;
}

.articolo-card__stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.articolo-card__stat svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.articolo-card__stat--like,
.articolo-card__stat--save {
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.articolo-card__stat--like:hover,
.articolo-card__stat--save:hover {
    opacity: 0.8;
}

.articolo-card__stat--liked {
    color: #e25555;
}

.articolo-card__stat--liked svg {
    fill: #e25555;
    stroke: #e25555;
    opacity: 1;
}

.articolo-card__stat--saved {
    color: var(--black);
}

.articolo-card__stat--saved svg {
    opacity: 1;
}

.articolo-card__cta {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    color: var(--black);
    text-transform: uppercase;
}

/* ==================== MODALE DETTAGLIO ==================== */

/* Container */
.articolo-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    background: #fff;
    border: 3px solid var(--black);
    border-radius: 16px;
    box-shadow: 5px 5px 0 0 var(--black);
    z-index: 9999;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.articolo-modal::-webkit-scrollbar { display: none; }

/* Close */
.articolo-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: #fff;
    border: 2px solid var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s ease;
    z-index: 10;
    color: var(--black);
}

.articolo-modal__close svg {
    width: 18px;
    height: 18px;
}

.articolo-modal__close:hover {
    opacity: 0.7;
}

/* Body */
.articolo-modal__body {
    padding: 3rem;
}

/* Header */
.articolo-modal__title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin: 0 0 1.5rem 0;
    padding-right: 50px;
}

.articolo-modal__author-bar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-bottom: 1.5rem;
    border-bottom: 3px solid var(--black);
    margin-bottom: 2rem;
}

.articolo-modal__author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.articolo-modal__avatar {
    width: 48px;
    height: 48px;
    background: var(--color-verde);
    border: 3px solid var(--black);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 800;
}

.articolo-modal__author-name {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
}

.articolo-modal__author-date {
    font-family: var(--font-body);
    font-size: 13px;
    color: #888;
}

/* Sezioni contenuto */
.articolo-modal__section {
    margin-bottom: 2rem;
}

.articolo-modal__section-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-verde);
    margin: 0 0 1rem 0;
}

.articolo-modal__abstract {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin: 0;
    white-space: pre-line;
}

/* PDF */
.articolo-modal__pdf-preview {
    margin-bottom: 2rem;
    border: 3px solid var(--black);
    border-radius: 12px;
    overflow: hidden;
}

.articolo-modal__pdf-thumb-link {
    display: block;
    position: relative;
    text-decoration: none;
    color: inherit;
}

.articolo-modal__pdf-thumb {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
    background: #f5f5f5;
}

.articolo-modal__pdf-placeholder {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    color: #999;
}

.articolo-modal__pdf-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    opacity: 0;
    transition: opacity 0.2s;
}
.articolo-modal__pdf-thumb-link:hover .articolo-modal__pdf-overlay {
    opacity: 1;
}
.articolo-modal__pdf-ios-text {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    margin: 0;
}
.articolo-modal__pdf-ios-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--black);
    color: #fff;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 3px solid var(--black);
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.15s ease;
}
.articolo-modal__pdf-ios-btn:hover {
    background: #fff;
    color: var(--black);
}

/* Download */
.articolo-modal__download {
    background: linear-gradient(135deg, #d4e4c9 0%, #c5d9b8 100%);
    border: 3px solid var(--black);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.articolo-modal__download-title {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.articolo-modal__download-sub {
    font-family: var(--font-body);
    font-size: 14px;
    color: #555;
}

.articolo-modal__download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--black);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 12px 24px;
    border: 3px solid var(--black);
    border-radius: 8px;
    box-shadow: 3px 3px 0 0 var(--black);
    text-decoration: none;
    transition: all 0.2s;
}

@media (hover: hover) {
    .articolo-modal__download-btn:hover {
        transform: translate(-2px, -2px);
        box-shadow: 5px 5px 0 0 var(--black);
    }
}

/* Barra azioni (like, salva, condividi) */
.articolo-modal__actions-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    margin-bottom: 2rem;
    border: 3px solid var(--black);
    border-radius: 10px;
    overflow: hidden;
}

.articolo-modal__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 0;
    border: none;
    border-right: 2px solid var(--black);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    background: #fff;
    color: var(--black);
    transition: all 0.2s;
}

.articolo-modal__action-btn:last-child {
    border-right: none;
}

.articolo-modal__action-btn--liked {
    background: #fff0f0;
    color: #e53e3e;
}

.articolo-modal__action-btn--active {
    background: #f0f0f0;
}

.articolo-modal__action-btn--saved {
    background: #f0faf4;
    color: #38a169;
}

/* ---- Commenti ---- */
.articolo-modal__comments {
    background: #f8f8f8;
    border: 3px solid var(--black);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.articolo-modal__comment-form {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 1.25rem;
}

.articolo-modal__comment-avatar {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--color-verde);
    border: 2px solid var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
}

.articolo-modal__comment-input {
    flex: 1;
    height: 40px;
    padding: 0 14px;
    border: 2px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
    font-family: var(--font-body);
    background: #fff;
    transition: border-color 0.2s;
    outline: none;
}

.articolo-modal__comment-input:focus {
    border-color: var(--black);
}

.articolo-modal__comment-send,
.articolo-modal__reply-send {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--black);
    color: #fff;
    border: 2px solid var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: all 0.15s;
}

.articolo-modal__reply-send {
    width: 28px;
    height: 28px;
    min-width: 28px;
    flex-shrink: 0;
}

.articolo-modal__comment-send--disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.articolo-modal__comment-guest {
    text-align: center;
    padding: 1rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.articolo-modal__comment-guest p {
    margin: 0 0 0.6rem 0;
    font-size: 14px;
    color: #777;
}

.articolo-modal__comment-login {
    padding: 8px 20px;
    background: var(--black);
    color: #fff;
    border: 2px solid var(--black);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
}

.articolo-modal__comment-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.articolo-modal__comment-item {
    padding: 0.85rem 0;
}

.articolo-modal__comment-item--border {
    border-bottom: 1px solid #e0e0e0;
}

.articolo-modal__comment-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.articolo-modal__comment-user-avatar {
    width: 30px;
    height: 30px;
    min-width: 30px;
    background: #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 800;
    color: #555;
}

.articolo-modal__comment-body {
    flex: 1;
    min-width: 0;
}

.articolo-modal__comment-meta {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 2px;
}

.articolo-modal__comment-name {
    font-weight: 800;
    font-size: 13px;
    font-family: var(--font-display);
}

.articolo-modal__comment-date {
    font-size: 11px;
    color: #aaa;
}

.articolo-modal__comment-text {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    white-space: pre-line;
}

.articolo-modal__comment-reply-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    color: #999;
    padding: 0;
    margin-top: 4px;
    transition: color 0.15s;
}

@media (hover: hover) {
    .articolo-modal__comment-reply-btn:hover { color: var(--black); }
}

/* Risposte annidate */
.articolo-modal__reply-form {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-top: 8px;
}

.articolo-modal__reply-input {
    flex: 1;
    min-width: 0;
    height: 30px;
    padding: 0 12px;
    border: 1.5px solid #ddd;
    border-radius: 15px;
    font-size: 12px;
    font-family: var(--font-body);
    background: #fff;
    outline: none;
    transition: border-color 0.2s;
}

.articolo-modal__reply-input:focus {
    border-color: var(--black);
}

.articolo-modal__replies {
    margin-top: 10px;
    padding-left: 8px;
    border-left: 2px solid #ddd;
}

.articolo-modal__reply-item {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 6px 0;
}

.articolo-modal__reply-avatar {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: #ececec;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 800;
    color: #666;
}

.articolo-modal__reply-name {
    font-weight: 800;
    font-size: 12px;
    font-family: var(--font-display);
}

.articolo-modal__reply-date {
    font-size: 10px;
    color: #bbb;
}

.articolo-modal__reply-text {
    margin: 0;
    font-size: 13px;
    line-height: 1.4;
    color: #444;
    white-space: pre-line;
}

.articolo-modal__comment-empty {
    text-align: center;
    padding: 1.5rem 1rem;
    color: #bbb;
    font-size: 14px;
}

/* ---- Condivisione ---- */
.articolo-modal__share {
    background: var(--color-azzurro);
    border: 3px solid var(--black);
    border-radius: 12px;
    padding: 1.5rem 2rem;
}

.articolo-modal__share-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 1rem 0;
}

.articolo-modal__share-icons {
    display: flex;
    gap: 12px;
}

.articolo-modal__share-btn {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: #fff;
    border: 2px solid var(--black);
    border-radius: 8px;
    text-decoration: none;
}

.articolo-modal__share-btn--wa    { background: #25D366; }
.articolo-modal__share-btn--fb    { background: #1877F2; }
.articolo-modal__share-btn--li    { background: #0077B5; }
.articolo-modal__share-btn--email { background: #fff; color: var(--black); }

/* ---- Form upload ---- */
.form-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 3px dashed #ccc;
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.2s;
    text-align: center;
}

.form-upload:hover,
.form-upload.dragover {
    border-color: var(--color-verde);
}

.form-upload__input {
    display: none;
}

.form-upload__text {
    font-family: var(--font-body);
    font-size: 14px;
    color: #666;
    margin: 0;
}

.form-upload__text span {
    font-weight: 600;
    color: var(--black);
}

.form-upload__hint {
    font-family: var(--font-body);
    font-size: 12px;
    color: #999;
    margin: 0.5rem 0 0 0;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {

    /* ---- Card ---- */
    .articoli-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 20px;
    }

    .articolo-card {
        box-shadow: 3px 3px 0 0 var(--black);
    }

    .articolo-card:hover {
        transform: none;
        box-shadow: 3px 3px 0 0 var(--black);
    }

    .articolo-card__cover {
        aspect-ratio: 3 / 4;
    }

    .articolo-card__content {
        padding: 16px;
    }

    .articolo-card__title {
        font-size: 16px;
        margin: 0 0 8px 0;
    }

    .articolo-card__author {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .articolo-card__abstract {
        font-size: 13px;
        margin: 0 0 16px 0;
    }

    .articolo-card__footer {
        padding-top: 12px;
    }

    .articolo-card__footer-stats {
        gap: 8px;
    }

    .articolo-card--cta {
        min-height: 220px;
        grid-column: 1 / -1;
    }

    .articolo-card__cta {
        font-size: 11px;
    }

    /* ---- Modale ---- */
    .articolo-modal {
        width: 95%;
        max-height: 85dvh;
    }

    .articolo-modal__close {
        top: 0.75rem;
        right: 0.75rem;
    }

    .articolo-modal__body {
        padding: 1.25rem;
    }

    .articolo-modal__title {
        font-size: 20px;
        padding-right: 40px;
    }

    .articolo-modal__author-bar {
        gap: 12px;
        padding-bottom: 1rem;
        margin-bottom: 1.5rem;
    }

    .articolo-modal__avatar {
        width: 40px;
        height: 40px;
        font-size: 15px;
    }

    .articolo-modal__author-name {
        font-size: 14px;
    }

    .articolo-modal__abstract {
        font-size: 14px;
        line-height: 1.6;
    }

    .articolo-modal__pdf-preview {
        height: auto;
    }

    .articolo-modal__pdf-overlay {
        opacity: 1;
        background: rgba(0,0,0,0.5);
        padding: 12px;
        font-size: 14px;
    }

    .articolo-modal__download {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.25rem;
    }

    .articolo-modal__download-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 20px;
        box-shadow: 2px 2px 0 0 var(--black);
    }

    .articolo-modal__action-btn {
        font-size: 11px;
        padding: 12px 0;
        gap: 6px;
    }

    .articolo-modal__action-btn svg {
        width: 16px;
        height: 16px;
    }

    .articolo-modal__comments {
        padding: 1rem;
    }

    .articolo-modal__comment-form {
        gap: 8px;
    }

    .articolo-modal__comment-input {
        height: 36px;
        font-size: 13px;
    }

    .articolo-modal__share {
        padding: 1.25rem;
    }

    .articolo-modal__share-btn {
        width: 40px;
        height: 40px;
    }

    .articolo-modal__share-btn svg {
        width: 18px;
        height: 18px;
    }
}