*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#f0f0f0;--bg-secondary:#ffffff;--bg-terciario:#e5e5e5;--accent:#000000;--text-primary:#3c3c3c;--text-secondary:#787878;--text-inverse:#ffffff;--border-light:#d2d2d2;--border-medium:#000000;--shadow:rgba(0, 0, 0, 0.1);--header-bg:#000000;--radius-md:12px;--radius-lg:24px;--radius-xl:24px}html{scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar{display:none}body{font-family:'Roboto',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background-color 0.3s ease,color 0.3s ease}body.modo-escuro{--bg-primary:#121212;--bg-secondary:#1e1e1e;--bg-terciario:#2c2c2c;--accent:#ffffff;--text-primary:#e0e0e0;--text-secondary:#a0a0a0;--text-inverse:#000000;--border-light:#333333;--border-medium:#ffffff;--shadow:rgba(0, 0, 0, 0.3);--header-bg:#121212}.container-principal{max-width:1100px;margin:0 auto;padding:20px;position:relative;z-index:1}.cabecalho-principal{text-align:center;padding:40px 20px;background-color:var(--header-bg);color:#fff;border-radius:var(--radius-xl);margin-bottom:40px;box-shadow:var(--shadow);position:relative;overflow:hidden;border:2px solid #fff0}body.modo-escuro .cabecalho-principal{border:1px solid #fff;color:#fff}body.modo-escuro .cabecalho-principal h1,body.modo-escuro .cabecalho-principal p{color:#ffffff!important}.cabecalho-principal img{width:80px;height:80px;margin-bottom:15px;border-radius:50%;background:#fff;padding:5px}.cabecalho-principal h1{font-size:2.2rem;margin:0 0 15px 0;font-weight:700;color:#fff}.subtitulo-principal{font-size:1.2rem;line-height:1.6;max-width:700px;margin:0 auto;opacity:.95}.secao-grupos{background-color:var(--card-bg);border-radius:var(--radius-xl);padding:30px;box-shadow:var(--shadow);margin-bottom:40px;border:2px solid 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(max-width:600px){.container-principal{padding:10px}.cabecalho-principal{padding:30px 15px}.cabecalho-principal h1{font-size:1.8rem}.secao-grupos{padding:15px}.grid-noticias{grid-template-columns:1fr;gap:20px}.modal-conteudo{padding:20px;width:95%}.modal-grande{height:100vh;max-height:100vh;border-radius:0;width:100%}.cabecalho-noticia-modal{margin-bottom:15px}.titulo-modal{font-size:1.25rem}}