@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&display=swap");

:root {
  --ancho-menu: 250px;
  --color-menu: #042331;
  --color-encabezado: #063146;
  --color-texto: #ffffff;
  --color-secundario: #999999;
  --color-borde-claro: rgba(255, 255, 255, 0.1);
  --color-borde-oscuro: #000000;
}

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

body {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 1rem;
}

a {
  text-decoration: none;
}

.sidebar {
  position: fixed;
  top: 0;
  left: -250px;
  z-index: 20;
  width: var(--ancho-menu);
  height: 100vh;
  background-color: var(--color-menu);
  transition: left 0.3s;
}

.sidebar > header {
  display: flex;
  align-items: center;
  min-height: 70px;
  color: var(--color-texto);
  background-color: var(--color-encabezado);
  border-top: 1px solid var(--color-borde-claro);
  border-bottom: 1px solid var(--color-borde-oscuro);
  user-select: none;
}

.logo {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 70px;
}

.logo img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 50%;
}

.titulo {
  font-size: 1.05rem;
  font-weight: 600;
}

.sidebar ul {
  list-style: none;
}

.sidebar ul a {
  display: block;
  padding: 1.1rem 1.5rem 1.1rem 2.5rem;
  color: var(--color-texto);
  border-top: 1px solid var(--color-borde-claro);
  border-bottom: 1px solid var(--color-borde-oscuro);
  transition: padding-left 0.3s;
}

.sidebar ul a i {
  margin-right: 10px;
}

.sidebar li:hover > a {
  padding-left: 3.1rem;
}

#checkMenu {
  display: none;
}

#btnMostrar,
#btnOcultar {
  position: fixed;
  z-index: 30;
  cursor: pointer;
  background-color: var(--color-menu);
  border-radius: 3px;
  transition: left 0.3s, opacity 0.3s;
}

#btnMostrar {
  top: 25px;
  left: 40px;
  padding: 6px 12px;
  color: var(--color-texto);
  font-size: 35px;
}

#btnOcultar {
  top: 17px;
  left: -200px;
  padding: 4px 9px;
  color: var(--color-secundario);
  font-size: 30px;
}

#checkMenu:checked ~ .sidebar {
  left: 0;
}

#checkMenu:checked + .labelBotonMenu #btnMostrar {
  left: var(--ancho-menu);
  opacity: 0;
  pointer-events: none;
}

#checkMenu:checked + .labelBotonMenu #btnOcultar {
  left: 200px;
}

.container {
  min-height: 100vh;
  background-image: url("../images/fondo-bosque.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  transition: margin-left 0.3s;
}

#checkMenu:checked ~ .container {
  margin-left: var(--ancho-menu);
}