/* ---------------------------
   Menu container
--------------------------- */
nav {
  position: relative;
  z-index: 10;
  border: 0px solid #A6CAEC;
  border-radius: 0px;
  font-family: Arial, sans-serif;
  font-size: 12px;
  width: 357px;
  background: #FFE181;
  margin: 10px 18px 0px 18px;
}

/* ---------------------------
   Horizontal menu
--------------------------- */
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

/* ---------------------------
   Top-level menu items
--------------------------- */
nav ul li {
  position: relative;
}

/* FIX: top-level background consistency */
nav ul > li > a {
  display: block;
  padding: 15px 20px;
  color: #333;
  text-decoration: none;
  transition: background 0.3s;
  white-space: nowrap;
  background-color: #F8D1BE;
}

nav ul li a:hover {
  background: #FDCA87;
}

nav ul li:hover > a {
  background: #FDCA87;
}

/* ---------------------------
   Dropdown menus (vertical)
   --- FIX: fade + slide ---
--------------------------- */
nav ul li ul {
  display: flex;
  flex-direction: column;

  position: absolute;
  top: 100%;
  left: 0px;

  background: #fff;
  border: 0px solid #7F7F7F;

  margin: 0;
  padding: 0;
  z-index: 1000;

  opacity: 0;
  transform: translateY(-8px);
  visibility: hidden;
  pointer-events: none;

  transition: opacity 0.18s ease, transform 0.18s ease;
}

/* Show dropdown on hover */
nav ul li:hover > ul {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

/* Dropdown items */
nav ul li ul li {
  margin: 0;
  padding: 0;
}

nav ul li ul li a {
  display: block;
  width: auto;
  padding: 12px 20px;
  box-sizing: border-box;
  white-space: nowrap;
}

/* Optional: remove divider lines */
nav ul li ul li + li {
  border-top: 0px solid #eee;
}

/* ---------------------------
   Sub-dropdowns (fly-out to right)
   --- FIX: fade + slide ---
--------------------------- */
nav ul li ul li ul {
  display: flex;

  position: absolute;
  top: 0px;
  left: 100%;

  min-width: 180px;
  background: #fff;
  border: 0px solid #7F7F7F;

  margin: 0;
  padding: 0;
  box-sizing: border-box;
  z-index: 1000;

  opacity: 0;
  transform: translateX(-8px);
  visibility: hidden;
  pointer-events: none;

  transition: opacity 0.18s ease, transform 0.18s ease;
}

nav ul li ul li:hover > ul {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

nav ul li ul li ul li a {
  display: block;
  width: auto;
  padding: 12px 20px;
  box-sizing: border-box;
  white-space: nowrap;
}

.tenses-menu > ul {
  top: calc(100% - 230px);
}

.verbs-menu > ul {
  top: calc(100% - 130px);
}

/* =========================
   LEVEL 1 dropdown items
========================= */
nav ul li > ul > li > a {
  background-color: #FDCA87;
  border-top: 0px solid #ddd;
}

nav ul li > ul > li > a:hover {
  background-color: #ACC1D8;
}

nav ul li ul li:hover > a {
  background: #FEDEB4;
}

/* =========================
   LEVEL 2 dropdown items (flyout)
========================= */
nav ul li ul li ul li a {
  background-color: #FEDEB4;
}

nav ul li ul li ul li a:hover {
  background-color: #DFC889;
}

/* =========================
   LEVEL 3 dropdown items (if used)
========================= */
nav ul li ul li ul li ul li a {
  background-color: #000;
}

nav ul li ul li ul li ul li a:hover {
  background-color: #86cde6;
}