:root {
  --bg-color: #000;
  --text-color: #ccc;
  --highlight-color: #ff6600;
  --hover-bg: rgba(255, 102, 0, 0.2);
  --submenu-bg: #111;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
}

.sidebar {
  width: 250px;
  background: var(--bg-color);
  color: var(--text-color);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  overflow-y: auto;
  padding-top: 20px;
  transition: left 0.3s ease;
  z-index: 1000;
}

.sidebar .logo {
  text-align: center;
  margin-bottom: 20px;
}

.sidebar .logo img {
  width: 100px;
}

.menu-toggle {
  display: none;
  position: absolute;
  top: 15px;
  right: -45px;
  background: var(--highlight-color);
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: 5px 0 0 5px;
  cursor: pointer;
}

/* ========== MENÚ PRINCIPAL ========== */

.navmenu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.navmenu li {
  border-bottom: 1px solid #222;
}

.navmenu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
}

.navmenu a i {
  font-size: 18px;
  transition: transform 0.3s ease, color 0.3s ease;
}

.navmenu a:hover {
  background: var(--hover-bg);
  color: #fff;
  text-shadow: 0 0 8px var(--highlight-color);
}

.navmenu a:hover i {
  transform: scale(1.2) rotate(6deg);
  color: var(--highlight-color);
}

/* ========== SUBMENÚ ========== */

.submenu > a::after {
  content: "▼";
  margin-left: auto;
  font-size: 12px;
  transition: transform 0.3s ease;
}

.submenu.open > a::after {
  transform: rotate(180deg);
}

.submenu .dropdown {
  display: none;
  background: var(--submenu-bg);
}

.submenu.open .dropdown {
  display: block;
}

.dropdown li a {
  padding-left: 40px;
  font-size: 14px;
  color: var(--text-color);
}

/* ========== RESPONSIVE ========== */

@media (max-width: 768px) {
  .sidebar {
    left: -100%;
  }

  .sidebar.open {
    left: 0;
  }

  .menu-toggle {
    display: block;
  }
}

/* Estilo para ítems activos del menú */
.navmenu a.active {
  background: var(--hover-bg);
  color: var(--highlight-color);
  font-weight: 600;
}

.navmenu a.active i {
  color: var(--highlight-color);
  text-shadow: 0 0 6px rgba(255, 102, 0, 0.5);
}