/* ============================================================
   forum.css — Estilos exclusivos de forum.html
   Ajuste aqui para mudanças visuais específicas desta página.
   ============================================================ */

    /* ── Page Hero ── */
    .page-hero {
      background: linear-gradient(to right, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.55) 100%),
                  url('https://www.diversitec.com.br/assets/img/banner/10.jpg') center/cover no-repeat;
      min-height: 320px;
      display: flex;
      align-items: center;
      padding: 100px 0 50px;
    }
    .page-hero h1 { font-size:clamp(28px,4vw,44px); color:#fff; font-weight:700; line-height:1.2; margin-bottom:12px; }
    .page-hero h1 span { color:var(--primary); }
    .page-hero p { color:rgba(255,255,255,0.75); font-size:15px; line-height:1.8; max-width:520px; }
    .breadcrumb { display:flex; align-items:center; gap:8px; font-size:13px; color:rgba(255,255,255,0.5); margin-bottom:18px; }
    .breadcrumb a { color:rgba(255,255,255,0.5); transition:var(--tr); }
    .breadcrumb a:hover { color:var(--primary); }
    .breadcrumb i { font-size:10px; }

    /* ── Forum Layout ── */
    .forum-layout {
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 36px;
      padding: 60px 0;
    }

    /* ── Stats bar ── */
    .forum-stats {
      background: var(--secondary);
      padding: 30px 0;
    }
    .forum-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .forum-stat { text-align:center; }
    .forum-stat .n { font-size:26px; font-weight:700; color:var(--primary); display:block; line-height:1; margin-bottom:4px; }
    .forum-stat .l { font-size:12px; color:rgba(255,255,255,0.65); }

    /* ── Category blocks ── */
    .forum-category {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      margin-bottom: 28px;
    }
    .cat-header {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 18px 24px;
      background: var(--secondary);
      cursor: pointer;
      user-select: none;
    }
    .cat-header-icon {
      width: 42px; height: 42px;
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 20px; flex-shrink: 0;
    }
    .cat-header-icon.ia     { background:rgba(124,58,237,0.25); }
    .cat-header-icon.solar  { background:rgba(247,148,29,0.25); }
    .cat-header-icon.tech   { background:rgba(6,182,212,0.25); }
    .cat-header-icon.geral  { background:rgba(16,185,129,0.25); }
    .cat-header h3 { font-size:16px; font-weight:600; color:#fff; margin:0; }
    .cat-header p  { font-size:12px; color:rgba(255,255,255,0.6); margin:2px 0 0; }
    .cat-header-meta { margin-left:auto; display:flex; gap:20px; align-items:center; }
    .cat-meta-item { text-align:center; }
    .cat-meta-item .mn { font-size:18px; font-weight:700; color:var(--primary); display:block; }
    .cat-meta-item .ml { font-size:10px; color:rgba(255,255,255,0.5); }
    .cat-toggle { color:rgba(255,255,255,0.5); transition:transform 0.3s; font-size:14px; }
    .forum-category.collapsed .cat-toggle { transform:rotate(-90deg); }

    /* ── Topic list ── */
    .topic-list { padding: 0 0 8px; }
    .topic-row {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 24px;
      border-bottom: 1px solid #f4f4f4;
      transition: var(--tr);
    }
    .topic-row:last-child { border-bottom: none; }
    .topic-row:hover { background: #fafafa; }

    /* Avatar ou ícone */
    .topic-avatar {
      width: 40px; height: 40px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 16px; flex-shrink: 0;
      font-weight: 700; color: #fff;
    }

    .topic-main { flex: 1; min-width: 0; }
    .topic-title {
      font-size: 14px; font-weight: 600; color: var(--secondary);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
      transition: var(--tr); cursor: pointer;
    }
    .topic-title:hover { color: var(--primary); }
    .topic-meta-row { display:flex; align-items:center; gap:12px; margin-top:4px; flex-wrap:wrap; }
    .topic-tag {
      font-size:10px; font-weight:700; padding:2px 8px;
      border-radius:20px; text-transform:uppercase; letter-spacing:.5px;
    }
    .topic-tag.duvida    { background:#fff3e0; color:var(--primary); }
    .topic-tag.discussao { background:#f0f9ff; color:#0369a1; }
    .topic-tag.tutorial  { background:#f0fdf4; color:#15803d; }
    .topic-tag.novidade  { background:#fdf4ff; color:#7c3aed; }
    .topic-tag.resolvido { background:#f0fdf4; color:#15803d; border:1px solid #bbf7d0; }
    .topic-info { font-size:11px; color:var(--gray); display:flex; align-items:center; gap:4px; }
    .topic-info i { font-size:10px; }

    .topic-stats { display:flex; gap:18px; flex-shrink:0; }
    .topic-stat { text-align:center; }
    .topic-stat .tn { font-size:15px; font-weight:700; color:var(--secondary); display:block; }
    .topic-stat .tl { font-size:10px; color:var(--gray); }

    .topic-last { text-align:right; flex-shrink:0; min-width:100px; }
    .topic-last .la { font-size:11px; color:var(--gray); display:block; }
    .topic-last .lu { font-size:11px; font-weight:600; color:var(--secondary); }

    /* Pin / Hot badges */
    .badge-pin { color:#ef4444; font-size:12px; }
    .badge-hot { color:#f59e0b; font-size:12px; }

    /* ── New topic bar ── */
    .new-topic-bar {
      display:flex; align-items:center; justify-content:space-between;
      gap:14px; margin-bottom:24px; flex-wrap:wrap;
    }
    .new-topic-bar h2 { font-size:20px; font-weight:700; color:var(--secondary); margin:0; }

    /* ── Sidebar ── */
    .sidebar { display:flex; flex-direction:column; gap:24px; }
    .sidebar-widget {
      background:var(--white); border-radius:var(--radius-lg);
      padding:24px; box-shadow:var(--shadow-sm);
    }
    .sidebar-widget h4 {
      font-size:14px; font-weight:700; color:var(--secondary);
      margin-bottom:16px; padding-bottom:10px;
      border-bottom:2px solid var(--primary); display:inline-block;
    }

    /* Top members */
    .member-row { display:flex; align-items:center; gap:10px; padding:8px 0; border-bottom:1px solid var(--border); }
    .member-row:last-child { border-bottom:none; }
    .member-avatar {
      width:36px; height:36px; border-radius:50%;
      display:flex; align-items:center; justify-content:center;
      font-size:14px; font-weight:700; color:#fff; flex-shrink:0;
    }
    .member-info { flex:1; }
    .member-info strong { font-size:13px; color:var(--secondary); display:block; }
    .member-info span   { font-size:11px; color:var(--gray); }
    .member-posts { font-size:12px; font-weight:600; color:var(--primary); }

    /* Online users */
    .online-list { display:flex; flex-wrap:wrap; gap:8px; }
    .online-badge {
      display:inline-flex; align-items:center; gap:5px;
      font-size:12px; color:var(--text);
      background:var(--light); padding:4px 10px;
      border-radius:20px;
    }
    .online-dot { width:7px; height:7px; border-radius:50%; background:#22c55e; flex-shrink:0; }

    /* Quick links */
    .quick-links { display:flex; flex-direction:column; gap:8px; }
    .quick-link {
      display:flex; align-items:center; gap:10px;
      padding:10px 12px; border-radius:var(--radius-sm);
      background:var(--light); transition:var(--tr);
      font-size:13px; color:var(--text); cursor:pointer;
    }
    .quick-link:hover { background:#fff3e0; color:var(--primary); }
    .quick-link i { color:var(--primary); width:16px; text-align:center; }

    /* Modal nova pergunta */
    .modal-overlay {
      display:none; position:fixed; inset:0;
      background:rgba(0,0,0,0.6); z-index:9000;
      align-items:center; justify-content:center;
    }
    .modal-overlay.open { display:flex; }
    .modal-box {
      background:#fff; border-radius:var(--radius-lg);
      padding:36px; width:90%; max-width:580px;
      box-shadow:0 20px 60px rgba(0,0,0,0.2);
    }
    .modal-box h3 { font-size:20px; font-weight:700; color:var(--secondary); margin-bottom:20px; }
    .modal-form { display:flex; flex-direction:column; gap:14px; }
    .modal-form input,
    .modal-form select,
    .modal-form textarea {
      padding:12px 16px; border:2px solid var(--border);
      border-radius:var(--radius-md); font-size:14px;
      font-family:var(--font-base); transition:var(--tr); width:100%;
    }
    .modal-form input:focus,
    .modal-form select:focus,
    .modal-form textarea:focus { outline:none; border-color:var(--primary); }
    .modal-form textarea { height:120px; resize:vertical; }
    .modal-actions { display:flex; gap:12px; justify-content:flex-end; margin-top:6px; }
    .btn-cancel {
      padding:11px 24px; border-radius:var(--radius-sm);
      border:2px solid var(--border); background:#fff;
      font-size:14px; font-family:var(--font-base); cursor:pointer;
      transition:var(--tr); color:var(--gray);
    }
    .btn-cancel:hover { border-color:var(--gray); color:var(--text); }

    /* ── Responsive ── */
    @media(max-width:1024px){
      .forum-layout { grid-template-columns:1fr; }
      .sidebar { display:none; }
    }

    /* Tablet (≤ 768px) */
    @media(max-width:768px){

      /* Stats: 2 colunas */
      .forum-stats-grid { grid-template-columns:repeat(2,1fr); gap:16px; }

      /* Cat header: esconde contadores de tópicos/respostas */
      .cat-header-meta { display:none; }

      /* Cat header: título menor */
      .cat-header { padding:14px 16px; gap:10px; }
      .cat-header h3 { font-size:14px; }
      .cat-header p  { font-size:11px; }
      .cat-header-icon { width:36px; height:36px; font-size:17px; }

      /* Topic row: layout em coluna, esconde stats e last */
      .topic-row {
        flex-wrap: wrap;
        padding: 12px 16px;
        gap: 10px;
      }
      .topic-stats { display:none; }
      .topic-last  { display:none; }

      /* Título do tópico: permite quebra de linha */
      .topic-title {
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        font-size: 13px;
        line-height: 1.45;
      }

      /* Avatar menor */
      .topic-avatar { width:34px; height:34px; font-size:13px; }

      /* Barra "Todos os Tópicos" */
      .new-topic-bar { flex-direction:column; align-items:flex-start; gap:10px; }
      .new-topic-bar h2 { font-size:18px; }

      /* Modal */
      .modal-box { padding:24px 20px; }
    }

    /* Mobile (≤ 480px) */
    @media(max-width:480px){

      /* Stats: 2 colunas mais compactas */
      .forum-stats-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
      .forum-stat .n { font-size:22px; }
      .forum-stat .l { font-size:11px; }

      /* Topic meta: quebra naturalmente */
      .topic-meta-row { gap:6px; }
      .topic-info { font-size:10px; }

      /* Container sem padding lateral excessivo */
      .forum-layout { padding:30px 0; }
    }