@charset "utf-8";
 
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background-color: #000000;
  color: #ffffff;
  min-height: 100vh;
}

header {
  color: #ffffff;
  border-bottom: 1px solid #444;
}

.header-container {
  display: flex;
  align-items: center;
}

.logo {
  margin: 0px 20px;
  width: 100px;
  height: 100px;
}

nav {
  margin-left: 40px;
  display: flex;
  gap: 40px;
}

nav a {
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
  transition: 0.3s;
  font-size: 22px;
}

nav a:hover {
  color: #7ed957;
}

.icone-perfil {
  margin-left: auto;
  font-size: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  height: 65px;
  width: 65px;
  background: #2a2a2a;
  margin-right: 30px;
}

.menu-icon {
  display: none;
  width: 25px;
  cursor: pointer;
}

.sidebar {
  position: fixed;
  top: 0;
  right: -280px;
  height: 100vh;
  width: 280px;
  background-color: #111;
  padding-top: 60px;
  transition: 0.3s ease;
  z-index: 1001;
  overflow-y: auto;
  border: 1px solid #7ed957;
}

.sidebar.active {
  right: 0;
}

.sidebar a,
.sidebar p {
  display: block;
  padding: 15px 25px;
  font-size: 18px;
  color: white;
  text-decoration: none;
}

.sidebar p {
  color: #7ed957;
}

.sidebar a:hover {
  background-color: #575757;
  color: #7ed957;
}

.closebtn {
  position: absolute;
  top: 15px;
  left: 15px;
  font-size: 30px;
  cursor: pointer;
  color: #7ed957;
}

.headerp {
  cursor: default;
  color: #7ed957;
  font-weight: bold;
  transition: 0.3s;
  font-size: 22px;
}

.conteudo-principal {
  width: 100%;
  padding: 45px;
}

.topo-pagina {
  margin-bottom: 35px;
}

.topo-pagina h1 {
  margin-bottom: 8px;
  font-weight: 800;
}

.topo-pagina p {
  color: #7ed957;
  font-weight: 600;
  padding: 15px 0px 0px 0px;
}

.grid-materias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 25px;
}

.card-materia {
  position: relative;
  min-height: 220px;
  background: #1f1f1f;
  border: 2px solid #333;
  border-radius: 18px;
  text-decoration: none;
  color: white;
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: 0.3s;
}

.card-materia:hover {
  transform: translateY(-8px);
  border-color: #7ed957;
  box-shadow: 0 0 18px rgba(126, 217, 87, 0.18);
}

.card-materia .icone {
  font-size: 58px;
  margin-bottom: 18px;
}

.card-materia h3 {
  font-size: 26px;
  margin-bottom: 10px;
}

.card-materia p {
  text-align: center;
  font-size: 15px;
  color: #c8c8c8;
  line-height: 1.4;
}

/*responsividade*/
@media (max-width: 440px) {
  body {
    overflow-x: hidden;
  }

  header {
    margin-bottom: 0;
  }

  .header-container {
    padding: 10px 14px;
  }

  .logo {
    width: 85px;
    height: 85px;
    margin: 0;
  }

  .icone-perfil {
    width: 50px;
    height: 50px;
    font-size: 22px;
    margin-right: 8px;
  }

  .menu-icon {
    width: 30px;
    height: 28px;
  }

  .sidebar {
    width: 260px;
    right: -260px;
  }

  .conteudo-principal {
    padding: 25px 16px;
  }

  .topo-pagina {
    text-align: center;
    margin-bottom: 28px;
  }

  .topo-pagina h1 {
    font-size: 30px;
  }

  .topo-pagina p {
    font-size: 14px;
  }

  .grid-materias {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .card-materia {
    min-height: 150px;
    padding: 14px;
  }

  .card-materia .icone {
    font-size: 36px;
    margin-bottom: 10px;
  }

  .card-materia h3 {
    font-size: 18px;
  }

  .card-materia p {
    font-size: 12px;
  }
}

@media (max-width: 800px) {
  body {
    overflow-x: hidden;
  }

  .header-container {
    justify-content: space-between;
    padding: 10px;
  }

  .logo {
    width: 85px;
    height: 85px;
    margin: 0;
  }

  .apagar {
    display: none;
  }

  .menu-icon {
    display: block;
    width: 32px;
    height: 30px;
  }

  .icone-perfil {
    margin-left: auto;
    margin-right: 10px;
    width: 55px;
    height: 55px;
    font-size: 22px;
  }
}