/* =========================================================
   public_html/assets/css/artigos.css
   Estilos exclusivos da listagem de artigos (artigos.php).
   Layout com sidebar + filtros.
   ========================================================= */

/* ===========================
   LAYOUT: sidebar + grid principal
   =========================== */

.articles-layout {
    display: grid;
    grid-template-columns: minmax(150px, 0.22fr) minmax(0, 1fr);
    gap: clamp(1.25rem, 3vw, 2.5rem);
    align-items: flex-start;
}

.articles-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-width: 0;
}

.articles-main {
    min-width: 0;
}

/* ===========================
   SIDEBAR: busca
   =========================== */

.sidebar-search {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.15rem;
}

.sidebar-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.2rem 0;
    font-size: 0.8rem;
    font-family: var(--font-primary);
    color: var(--text-primary);
    outline: none;
    min-width: 0;
}

.sidebar-search-input::placeholder {
    color: var(--text-light);
}

.sidebar-search-btn {
    display: flex;
    align-items: center;
    background: transparent;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.2rem 0 0.2rem 0.4rem;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-search-btn:hover {
    color: var(--text-primary);
}

/* ===========================
   SIDEBAR: navegação de categorias/anos
   =========================== */

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.sidebar-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 0.25rem 0 0.25rem 0.6rem;
    border-left: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.sidebar-link:hover {
    color: var(--text-primary);
    border-left-color: var(--border-color);
}

.sidebar-link.active {
    color: var(--text-primary);
    font-weight: 500;
    border-left-color: var(--text-primary);
}

.sidebar-archive {
    gap: 0.35rem;
}

.archive-year {
    border-left: 2px solid transparent;
}

.archive-year[open] {
    border-left-color: var(--border-color);
}

.archive-year-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    padding: 0.25rem 0 0.25rem 0.6rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.4;
    cursor: pointer;
    list-style: none;
}

.archive-year-summary::-webkit-details-marker {
    display: none;
}

.archive-year-summary::after {
    content: "›";
    color: var(--text-light);
    font-size: 0.9rem;
    transition: transform var(--transition-fast);
}

.archive-year[open] .archive-year-summary::after {
    transform: rotate(90deg);
}

.archive-year-summary:hover,
.archive-year[open] .archive-year-summary {
    color: var(--text-primary);
}

.archive-year-summary small,
.archive-month-link small {
    color: var(--text-light);
    font-size: 0.7rem;
    font-weight: 400;
}

.archive-months {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    padding: 0.1rem 0 0.25rem;
}

.archive-month-link {
    display: flex;
    justify-content: space-between;
    gap: 0.45rem;
    margin-left: 0.45rem;
    padding-left: 0.65rem;
    font-size: 0.78rem;
}

.sidebar-clear {
    font-size: 0.75rem;
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.sidebar-clear:hover {
    color: var(--text-primary);
}

.articles-result-count {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

@media screen and (max-width: 768px) {
    .articles-section .articles-grid {
        justify-items: stretch;
        justify-content: stretch;
    }

    .articles-section .article-card {
        max-width: none;
        margin: 0;
    }
}

/* ===========================
   RESPONSIVE: sidebar vira barra de filtros em telas menores
   =========================== */

@media screen and (max-width: 980px) {
    .articles-layout {
        grid-template-columns: 1fr;
    }

    .articles-sidebar {
        position: static;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 0.9rem 1rem;
        padding-bottom: 0.25rem;
    }

    .sidebar-search {
        flex: 1 1 220px;
        max-width: 320px;
    }

    .sidebar-nav {
        flex: 1 1 240px;
        min-width: 0;
    }

    .sidebar-clear {
        align-self: flex-end;
        white-space: nowrap;
    }
}

@media screen and (max-width: 768px) {
    .articles-layout {
        gap: var(--spacing-md);
    }

    .articles-sidebar {
        gap: 0.75rem;
        align-items: center;
    }

    .sidebar-search {
        flex: 1 1 180px;
        min-width: 160px;
        max-width: 260px;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.35rem;
    }

    .sidebar-archive {
        align-items: flex-start;
    }

    .sidebar-label {
        display: none;
    }

    .sidebar-link {
        padding: 0.25rem 0.6rem;
        border-left: none;
        border-bottom: 2px solid transparent;
        font-size: 0.8rem;
    }

    .sidebar-link:hover,
    .sidebar-link.active {
        border-left-color: transparent;
        border-bottom-color: var(--text-primary);
    }

    .archive-year {
        border-left: none;
    }

    .archive-year[open] {
        border-left-color: transparent;
    }

    .archive-year-summary {
        padding: 0.25rem 0.6rem;
        border-bottom: 2px solid transparent;
    }

    .archive-year[open] .archive-year-summary {
        border-bottom-color: var(--text-primary);
    }

    .archive-months {
        min-width: 140px;
        padding-top: 0.3rem;
    }

    .archive-month-link {
        margin-left: 0;
    }

    .sidebar-clear {
        align-self: center;
    }
}

@media screen and (min-width: 641px) and (max-width: 768px) {
    .articles-sidebar {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        align-items: start;
        column-gap: 1rem;
        row-gap: 0.8rem;
    }

    .sidebar-search {
        grid-column: 1 / -1;
        max-width: none;
        width: 100%;
    }

    .sidebar-nav {
        width: 100%;
        align-content: flex-start;
    }

    .sidebar-archive {
        justify-self: stretch;
    }

    .archive-year {
        min-width: max-content;
    }

    .archive-months {
        min-width: 0;
    }

    .sidebar-clear {
        grid-column: 1 / -1;
        justify-self: flex-start;
        align-self: start;
    }
}

@media screen and (max-width: 640px) {
    .articles-sidebar {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .sidebar-search {
        max-width: none;
        width: 100%;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 0.45rem;
        overflow-x: auto;
        padding-bottom: 0.25rem;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .sidebar-link,
    .archive-year-summary {
        white-space: nowrap;
    }

    .sidebar-archive {
        align-items: stretch;
    }

    .archive-year {
        flex: 0 0 auto;
    }

    .archive-months {
        min-width: 150px;
        padding-top: 0.35rem;
    }

    .archive-month-link {
        justify-content: flex-start;
    }

    .archive-month-link small {
        margin-left: 0.2rem;
    }

    .sidebar-clear {
        justify-self: flex-start;
    }
}