/* ==========================================================================
   Estilos Frontend — Allterra Notícias & Artigos
   Paleta Exclusiva do Brand Guide do Cliente & Leitura com Fundo Branco e Letra Preta
   
   Guia Pantone Oficial:
   - Pantone 497 C:       #52312e (RGB: 82, 49, 46)   - Marrom principal
   - Pantone 4091 C:      #68453e (RGB: 104, 69, 62)  - Marrom secundário
   - Pantone 4089 C:      #a38b86 (RGB: 163, 139, 134)- Terracota suave
   - Pantone 7529 C:      #b9aa9b (RGB: 185, 170, 155)- Bege / Areia
   - Pantone Cool Gray 6C:#a9a9a9 (RGB: 169, 169, 169)- Cinza
   - Pantone 2458 C:      #6a9780 (RGB: 106, 151, 128)- Verde folha / agricultura
   ========================================================================== */

:root {
    /* Cores Oficiais do Guia */
    --allterra-pantone-497c: #52312e;
    --allterra-pantone-4091c: #68453e;
    --allterra-pantone-4089c: #a38b86;
    --allterra-pantone-7529c: #b9aa9b;
    --allterra-pantone-coolgray6c: #a9a9a9;
    --allterra-pantone-2458c: #6a9780;

    /* Aplicação no Layout */
    --allterra-primary: #52312e;
    --allterra-primary-hover: #68453e;
    --allterra-green: #6a9780;
    --allterra-sand: #b9aa9b;
    --allterra-muted: #a38b86;
    --allterra-gray: #a9a9a9;
    --allterra-border: #e0dedc;
    
    /* Espaço de Leitura: Fundo Branco e Letra Preta */
    --allterra-reading-bg: #ffffff;
    --allterra-reading-text: #111111;
    --allterra-reading-title: #000000;
    --allterra-reading-meta: #555555;
    
    --allterra-radius: 8px;
    --allterra-shadow: 0 3px 8px rgba(82, 49, 46, 0.06);
    --allterra-shadow-hover: 0 8px 18px rgba(82, 49, 46, 0.12);
}

/* === CONTAINERS GERAIS === */
.allterra-hub-container,
.allterra-artigos-container,
.allterra-container,
.btmf-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 25px 20px 60px;
    box-sizing: border-box;
    font-family: inherit;
}

/* === ABAS PRINCIPAIS (NOTÍCIAS / ARTIGOS) === */
.allterra-main-tabs,
.btmf-main-tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 35px;
}

.allterra-tab-btn,
.btmf-tab-btn {
    background-color: #ffffff;
    color: var(--allterra-primary);
    border: 2px solid var(--allterra-pantone-coolgray6c);
    padding: 12px 38px;
    border-radius: var(--allterra-radius);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    outline: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.allterra-tab-btn:hover,
.btmf-tab-btn:hover {
    background-color: var(--allterra-pantone-7529c);
    border-color: var(--allterra-primary);
    color: var(--allterra-primary);
}

.allterra-tab-btn.active,
.btmf-tab-btn.active {
    background-color: var(--allterra-primary);
    color: #ffffff;
    border-color: var(--allterra-muted);
    box-shadow: 0 4px 12px rgba(82, 49, 46, 0.25);
}

.allterra-tab-panel,
.btmf-tab-panel {
    display: none;
}

.allterra-tab-panel.active,
.btmf-tab-panel.active {
    display: block;
}

/* === BARRA DE FILTROS & BUSCA === */
.allterra-artigos-filters-bar,
.btmf-filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 35px;
    background: #ffffff;
    padding: 16px 20px;
    border-radius: var(--allterra-radius);
    box-shadow: var(--allterra-shadow);
    border: 1px solid var(--allterra-border);
    box-sizing: border-box;
}

.allterra-search-wrap,
.btmf-search-wrap {
    flex: 1;
    min-width: 280px;
}

.allterra-search-input,
.btmf-search-input {
    width: 100%;
    padding: 11px 16px;
    font-size: 15px;
    border: 1px solid var(--allterra-pantone-coolgray6c);
    border-radius: var(--allterra-radius);
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
    background: #ffffff;
    color: var(--allterra-reading-text);
}

.allterra-search-input:focus,
.btmf-search-input:focus {
    border-color: var(--allterra-primary);
    box-shadow: 0 0 0 3px rgba(82, 49, 46, 0.15);
}

.allterra-selects-wrap,
.btmf-selects-wrap {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.allterra-select,
.btmf-select {
    padding: 11px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--allterra-reading-text);
    background: #ffffff;
    border: 1px solid var(--allterra-pantone-coolgray6c);
    border-radius: var(--allterra-radius);
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.allterra-select:focus,
.btmf-select:focus {
    border-color: var(--allterra-primary);
    box-shadow: 0 0 0 3px rgba(82, 49, 46, 0.15);
}

/* === GRIDS DE CARDS === */
.allterra-news-grid,
.allterra-artigos-grid,
.allterra-cards-grid,
.btmf-cards-grid {
    display: grid;
    gap: 28px;
}

.allterra-cols-1, .btmf-cols-1 { grid-template-columns: 1fr; }
.allterra-cols-2, .btmf-cols-2 { grid-template-columns: repeat(2, 1fr); }
.allterra-cols-3, .btmf-cols-3 { grid-template-columns: repeat(3, 1fr); }
.allterra-cols-4, .btmf-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .allterra-cols-3, .allterra-cols-4,
    .btmf-cols-3, .btmf-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .allterra-cols-2, .allterra-cols-3, .allterra-cols-4,
    .btmf-cols-2, .btmf-cols-3, .btmf-cols-4 {
        grid-template-columns: 1fr;
    }
    .allterra-artigos-filters-bar,
    .btmf-filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .allterra-selects-wrap,
    .btmf-selects-wrap {
        flex-direction: column;
    }
}

/* === CARDS DE ARTIGOS & NOTÍCIAS (LEITURA COM FUNDO BRANCO E LETRA PRETA) === */
.allterra-card-item,
.allterra-news-card-item,
.allterra-artigo-item,
.btmf-card-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.allterra-hidden,
.btmf-card-item.btmf-hidden {
    display: none !important;
}

.allterra-card,
.allterra-news-card,
.allterra-artigo-card,
.btmf-card {
    background: var(--allterra-reading-bg);
    border: 1px solid var(--allterra-border);
    border-radius: var(--allterra-radius);
    overflow: hidden;
    box-shadow: var(--allterra-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.allterra-card:hover,
.allterra-news-card:hover,
.allterra-artigo-card:hover,
.btmf-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--allterra-shadow-hover);
    border-color: var(--allterra-pantone-4089c);
}

.allterra-thumb-link,
.allterra-news-thumb-link,
.allterra-artigo-thumb-link,
.btmf-card-thumb-link {
    display: block;
    text-decoration: none;
}

.allterra-thumb-wrapper,
.allterra-news-thumb-wrapper,
.allterra-artigo-thumb-wrapper,
.btmf-card-thumb-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    background: #f7f6f5;
    overflow: hidden;
}

.allterra-card-img,
.allterra-news-img,
.allterra-artigo-img,
.btmf-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.35s ease;
    display: block;
}

.allterra-card:hover .allterra-card-img,
.allterra-news-card:hover .allterra-news-img,
.allterra-artigo-card:hover .allterra-artigo-img,
.btmf-card:hover .btmf-card-img {
    transform: scale(1.04);
}

.allterra-placeholder,
.allterra-news-placeholder,
.allterra-artigo-placeholder,
.btmf-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--allterra-primary);
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
}

/* Badges usando tons da marca (Verde 2458C para Artigos e Marrom 497C para Notícias) */
.allterra-card-category-badge,
.allterra-artigo-category-badge,
.btmf-card-category-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--allterra-green);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 11px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.18);
}

.allterra-news-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--allterra-primary);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 11px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.18);
}

.allterra-card-body,
.allterra-news-body,
.allterra-artigo-body,
.btmf-card-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--allterra-reading-bg);
}

.allterra-card-meta,
.allterra-news-meta,
.allterra-artigo-meta,
.btmf-card-meta {
    font-size: 13px;
    color: var(--allterra-reading-meta);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.allterra-card-title,
.allterra-news-title,
.allterra-artigo-title,
.btmf-card-title {
    font-size: 18px;
    line-height: 1.4;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--allterra-reading-title);
}

.allterra-card-title a,
.allterra-news-title a,
.allterra-artigo-title a,
.btmf-card-title a {
    color: var(--allterra-reading-title);
    text-decoration: none;
    transition: color 0.2s ease;
}

.allterra-card-title a:hover,
.allterra-news-title a:hover,
.allterra-artigo-title a:hover,
.btmf-card-title a:hover {
    color: var(--allterra-primary);
}

.allterra-card-excerpt,
.allterra-news-excerpt,
.allterra-artigo-excerpt,
.btmf-card-excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--allterra-reading-text);
    margin-bottom: 20px;
    flex: 1;
}

.allterra-card-footer,
.allterra-news-footer,
.allterra-artigo-footer,
.btmf-card-footer {
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--allterra-border);
    text-align: right;
}

.allterra-read-more-btn,
.allterra-news-read-more,
.allterra-artigo-read-more,
.btmf-read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--allterra-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.allterra-read-more-btn:hover,
.allterra-news-read-more:hover,
.allterra-artigo-read-more:hover,
.btmf-read-more-btn:hover {
    color: var(--allterra-primary-hover);
    transform: translateX(3px);
}

/* ==========================================================================
   PAGINAÇÃO (HORIZONTAL, SEM AZUL, CORES EXCLUSIVAS DO GUIA)
   ========================================================================== */
.allterra-news-pagination,
.allterra-artigos-pagination-container,
.btmf-pagination-container {
    display: flex !important;
    flex-direction: row !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 8px !important;
    margin-top: 40px !important;
    padding-top: 25px !important;
    border-top: 1px solid var(--allterra-border) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    flex-wrap: wrap !important;
}

.allterra-artigos-pagination-info,
.btmf-pagination-info {
    width: 100% !important;
    text-align: center !important;
    font-size: 14px !important;
    color: var(--allterra-reading-meta) !important;
    margin-bottom: 8px !important;
    font-weight: 500 !important;
}

.allterra-news-pagination-nav,
.allterra-artigos-pagination-nav,
.btmf-pagination-nav {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    align-items: center !important;
    justify-content: center !important;
}

.allterra-page-btn,
.btmf-page-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 1px solid var(--allterra-pantone-coolgray6c) !important;
    background: #ffffff !important;
    color: var(--allterra-primary) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    padding: 0 14px !important;
    min-width: 40px !important;
    height: 40px !important;
    border-radius: var(--allterra-radius) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    text-decoration: none !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04) !important;
}

.allterra-page-btn:hover:not(.disabled):not(.active),
.btmf-page-btn:hover:not(.disabled):not(.active) {
    background: var(--allterra-pantone-7529c) !important;
    border-color: var(--allterra-primary) !important;
    color: var(--allterra-primary) !important;
    transform: translateY(-1px) !important;
}

/* Página Ativa: Marrom Pantone 497 C com texto branco (Sem azul!) */
.allterra-page-btn.active,
.btmf-page-btn.active {
    background: var(--allterra-primary) !important;
    border-color: var(--allterra-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 6px rgba(82, 49, 46, 0.3) !important;
    cursor: default !important;
}

.allterra-page-btn.disabled,
.btmf-page-btn.disabled {
    opacity: 0.45 !important;
    cursor: not-allowed !important;
    background: #f7f6f5 !important;
    border-color: var(--allterra-border) !important;
    color: var(--allterra-pantone-coolgray6c) !important;
}

/* ==========================================================================
   TEMPLATE SINGLE DE LEITURA (100% FUNDO BRANCO E LETRA PRETA)
   ========================================================================== */
.allterra-single-page-wrapper,
.btmf-single-page-wrapper {
   margin-top: 120px;
    background: #52312e;
    padding: 35px 20px 80px;
    min-height: 80vh;
}

.allterra-single-article,
.btmf-single-article {
    background: var(--allterra-reading-bg);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--allterra-shadow);
    border: 1px solid var(--allterra-border);
    max-width: 860px;
    margin: 0 auto;
    box-sizing: border-box;
}

.allterra-back-nav,
.btmf-back-nav {
    max-width: 860px;
    margin: 0 auto 25px auto;
}

.allterra-back-btn,
.btmf-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--allterra-primary);
    background: #ffffff;
    border: 1px solid var(--allterra-pantone-coolgray6c);
    padding: 8px 18px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.allterra-back-btn:hover,
.btmf-back-btn:hover {
    background: var(--allterra-primary);
    border-color: var(--allterra-primary);
    color: #ffffff;
}

.allterra-single-header,
.btmf-single-header {
    margin-bottom: 30px;
}

.allterra-single-category,
.btmf-single-category {
    display: inline-block;
    background: var(--allterra-green);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.allterra-single-title,
.btmf-single-title {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--allterra-reading-title);
    margin: 0 0 15px;
}

.allterra-single-meta,
.btmf-single-meta {
    font-size: 14px;
    color: var(--allterra-reading-meta);
    display: flex;
    align-items: center;
    gap: 15px;
}

.allterra-single-featured-image,
.btmf-single-featured-image {
    margin-bottom: 35px;
    border-radius: var(--allterra-radius);
    overflow: hidden;
    box-shadow: var(--allterra-shadow);
}

.allterra-single-featured-image img,
.btmf-single-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 540px;
    object-fit: cover;
    object-position: center;
}

/* Espaço do Texto de Leitura: Fundo Branco e Letra Preta */
.allterra-single-content,
.btmf-single-content {
    background: var(--allterra-reading-bg);
    font-size: 17px;
    line-height: 1.85;
    color: var(--allterra-reading-text);
}

.allterra-single-content p,
.btmf-single-content p {
    margin-bottom: 24px;
    color: var(--allterra-reading-text);
}

.allterra-single-content h2, 
.allterra-single-content h3,
.allterra-single-content h4,
.btmf-single-content h2, 
.btmf-single-content h3,
.btmf-single-content h4 {
    color: var(--allterra-reading-title);
    font-weight: 700;
    margin-top: 35px;
    margin-bottom: 16px;
}

.allterra-single-content strong,
.btmf-single-content strong {
    color: #000000;
    font-weight: 700;
}

.allterra-single-content a,
.btmf-single-content a {
    color: var(--allterra-primary);
    text-decoration: underline;
}

.allterra-single-content a:hover,
.btmf-single-content a:hover {
    color: var(--allterra-primary-hover);
}

.allterra-single-content img,
.btmf-single-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--allterra-radius);
    margin: 20px 0;
}

.allterra-single-footer,
.btmf-single-footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--allterra-border);
}

.allterra-tags-cloud,
.btmf-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.allterra-tag-pill,
.btmf-tag-pill {
    background: #ffffff;
    border: 1px solid var(--allterra-pantone-7529c);
    color: var(--allterra-primary);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 15px;
}

@media (max-width: 768px) {
    .allterra-single-article,
    .btmf-single-article {
        padding: 25px 18px;
    }
    .allterra-single-title,
    .btmf-single-title {
        font-size: 24px;
    }
}

.allterra-no-results,
.btmf-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 45px 20px;
    background: #ffffff;
    border-radius: var(--allterra-radius);
    border: 1px dashed var(--allterra-border);
    color: var(--allterra-reading-meta);
    font-size: 15px;
}

.allterra-news-source-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--allterra-radius);
    background: var(--allterra-primary);
    color: #ffffff !important;
    font-weight: 700;
    text-decoration: none !important;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.allterra-news-source-button:hover,
.allterra-news-source-button:focus {
    background: var(--allterra-primary-hover);
    color: #ffffff !important;
    transform: translateY(-1px);
}