/* Reset básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font: 16px "Segoe UI", "Trebuchet MS", sans-serif;
  color: #2c2c2c;
  background-color: #f9f9f9;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Sidebar */
.sidenav {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 185px;
  background-color: #23294d;
  padding-top: 20px;
  overflow-y: auto;
  z-index: 1000;
}

.sidenav h2 {
  color: #fff;
  padding-left: 16px;
  margin-bottom: 20px;
  font-weight: bold;
  font-size: 1.5rem;
}

.sidenav a {
  display: block;
  padding: 12px 20px;
  font-size: 1rem;
  color: #ddd;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}
.sidenav a:hover,
.sidenav a:focus {
  color: #ffd700;
  background-color: rgba(255, 217, 0, 0.15);
}

/* Cabeçalho fixo */
.header-top {
  position: fixed;
  top: 0;
  left: 185px;
  right: 0;
  height: 60px;
  background-color: #1e1e1e;
  color: #fff;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  font-weight: bold;
  z-index: 900;
}

/* Espaçamento abaixo do header fixo */
.spacer-header {
  height: 60px;
}

/* Conteúdo principal */
.main {
  margin-left: 185px;
  padding: 20px;
  flex: 1;
  background-color: #fff;
  min-height: 100vh;
}

/* Container da notícia */
.noticia-container {
  max-width: 800px;
  margin: auto;
  padding: 30px 20px;
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

.noticia-container h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #1e1e1e;
}

.noticia-container .meta {
  font-size: 0.95rem;
  color: #777;
  margin-bottom: 25px;
}

.noticia-container img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 25px;
  object-fit: cover;
}

.noticia-container p {
  font-size: 1.05rem;
  color: #444;
  margin-bottom: 20px;
  text-align: justify;
}

/* Rodapé */
footer {
  text-align: center;
  font-size: 0.85rem;
  color: #888;
  padding: 20px 0;
  border-top: 1px solid #ddd;
  margin-top: 40px;
}

/* Responsivo */
@media (max-width: 768px) {
  .sidenav {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    padding: 10px;
  }

  .header-top {
    left: 0;
    padding-left: 10px;
    font-size: 1.3rem;
    justify-content: center;
  }

  .main {
    margin-left: 0;
    padding: 15px;
  }

  .noticia-container {
    padding: 20px 10px;
  }
}