/* =========================================================
   Navigation Burger Menu Styles
   ========================================================= */

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-dropdown {
  position: relative;
}

.btn-burger {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.btn-burger:hover,
.btn-burger.active {
  background-color: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

.nav-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  width: 200px;
  background-color: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
}

.nav-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-item i {
  color: var(--accent-color);
  width: 18px;
  text-align: center;
}

.nav-item:hover {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent-color);
}

/* Background overlay when menu opens */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(2px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}