/* =========================================================================
   Revista — listagem, artigo individual, newsletter
   ========================================================================= */

/* ---- Grid de artigos ---- */
.revista-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

/* ---- Card de artigo ---- */
.card-artigo {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow .15s, transform .15s;
}

.card-artigo:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-artigo__img-wrap {
    display: block;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-surface-alt);
}

.card-artigo__img-wrap--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 2.5rem;
}

.card-artigo__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
}

.card-artigo:hover .card-artigo__img {
    transform: scale(1.04);
}

.card-artigo__body {
    padding: var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.card-artigo__cat {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-primary);
}

.card-artigo__title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
}

.card-artigo__title a {
    color: var(--color-heading);
    text-decoration: none;
}

.card-artigo__title a:hover {
    color: var(--color-primary);
}

.card-artigo__resumo {
    font-size: .9rem;
    color: var(--color-muted);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.card-artigo__footer {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
    font-size: .8rem;
    color: var(--color-muted);
}

.card-artigo__date,
.card-artigo__autor {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ---- Artigo single ---- */
.artigo-single__header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding-block: var(--space-8) var(--space-6);
}

.artigo-single__header-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.artigo-single__header .page-hero__breadcrumb a {
    color: rgba(255,255,255,.8);
}

.artigo-single__header .page-hero__breadcrumb span {
    color: rgba(255,255,255,.6);
}

.artigo-single__cat {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--color-accent);
    color: var(--color-accent-text, #000);
    border-radius: var(--radius-full);
    padding: .2rem var(--space-3);
    align-self: flex-start;
}

.artigo-single__titulo {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
    margin: 0;
}

.artigo-single__subtitulo {
    font-size: 1.1rem;
    color: rgba(255,255,255,.85);
    margin: 0;
}

.artigo-single__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: .85rem;
    color: rgba(255,255,255,.75);
}

.artigo-single__meta i {
    margin-right: 4px;
}

.artigo-single__img-wrap {
    padding-block: var(--space-5);
    background: var(--color-surface-alt);
}

.artigo-single__img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
}

/* Layout artigo + sidebar */
.artigo-single__layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-8);
    padding-block: var(--space-7);
    align-items: start;
}

.artigo-single__conteudo {
    min-width: 0;
}

.artigo-single__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    position: sticky;
    top: var(--space-5);
}

/* Prose */
.artigo-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
}

.artigo-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: var(--space-6) 0 var(--space-3);
}

.artigo-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: var(--space-5) 0 var(--space-2);
}

.artigo-body p {
    margin-bottom: var(--space-4);
}

.artigo-body ul {
    padding-left: var(--space-5);
    margin-bottom: var(--space-4);
}

.artigo-body li {
    margin-bottom: var(--space-1);
}

/* Tags + share */
.artigo-single__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.chip--sm {
    font-size: .75rem;
    padding: .25rem var(--space-3);
}

.artigo-single__share {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    font-size: .9rem;
    color: var(--color-muted);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #fff;
    font-size: 1rem;
    transition: opacity .15s, transform .1s;
    text-decoration: none;
}

.share-btn:hover { opacity: .85; transform: scale(1.1); }
.share-btn--wa  { background: #25D366; }
.share-btn--fb  { background: #1877F2; }
.share-btn--tw  { background: #000; }

/* ---- Sidebar blocks ---- */
.sidebar-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.sidebar-block--accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: transparent;
    color: #fff;
}

.sidebar-block--accent .sidebar-block__title,
.sidebar-block--accent .sidebar-block__text {
    color: #fff;
}

.sidebar-block__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0 0 var(--space-2);
}

.sidebar-block__text {
    font-size: .9rem;
    color: var(--color-muted);
    margin-bottom: var(--space-3);
}

/* ---- Newsletter inline form ---- */
.newsletter-form__input {
    width: 100%;
    padding: .6rem var(--space-3);
    border: 2px solid rgba(255,255,255,.4);
    border-radius: var(--radius-full);
    background: rgba(255,255,255,.15);
    color: #fff;
    font-size: .9rem;
}

.newsletter-form__input::placeholder { color: rgba(255,255,255,.7); }
.newsletter-form__input:focus {
    outline: none;
    border-color: rgba(255,255,255,.8);
    background: rgba(255,255,255,.2);
}

/* ---- AI panel ---- */
.ai-panel {
    margin-bottom: var(--space-5);
}

.ai-panel__body {
    background: var(--color-surface-alt);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-top: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ---- Admin form extras ---- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .artigo-single__layout {
        grid-template-columns: 1fr;
    }

    .artigo-single__sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .revista-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .artigo-single__titulo {
        font-size: 1.5rem;
    }
}