/* ===============================================
   MOBILE ONLY - Hamburger Menu
   Target: max-width: 767px
   =============================================== */

/* Show/Hide Elements */
html.is-mobile .mobile-only {
  display: block !important;
}

html.is-mobile .desktop-only {
  display: none !important;
}

html.is-mobile #desktop-sidebar {
  display: none !important;
}

/* Mobile menu exists on mobile, but hidden off-screen by default */
html.is-mobile #mobile-menu {
  display: block !important;
}

/* Hide mobile menu on desktop completely */
html.is-desktop #mobile-menu {
  display: none !important;
}

/* Hamburger Button */
.hamburger {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hamburger:hover {
  background: var(--panel-hover);
  border-color: var(--accent);
}

.hamburger .hb-line {
  display: block;
  width: 22px;
  height: 3px;
  background: currentColor;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger[aria-expanded="true"] .hb-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hb-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger[aria-expanded="true"] .hb-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
#mobile-menu {
  position: fixed;
  top: 60px; /* Adjusted for mobile topbar height */
  left: 0;
  bottom: 0;
  z-index: 1020;
  width: 300px;
  max-width: 85vw;
  background: var(--panel);
  backdrop-filter: var(--backdrop-blur) var(--backdrop-saturate);
  border-right: 2px solid var(--border-strong);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

#mobile-menu.open {
  transform: translateX(0);
}

#mobile-menu::after {
  content: '';
  position: fixed;
  top: 60px;
  left: 300px;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#mobile-menu.open::after {
  opacity: 1;
  pointer-events: auto;
}

#mobile-menu .nav-list {
  list-style: none;
  padding: 20px 16px;
  margin: 0;
}

#mobile-menu .nav-list li {
  margin-bottom: 6px;
}

/* UPDATED: style links and submenu buttons */
#mobile-menu .nav-list li a,
#mobile-menu .nav-list li .submenu-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.25s ease;
}

/* UPDATED: tap state for both */
#mobile-menu .nav-list li a:active,
#mobile-menu .nav-list li .submenu-toggle:active {
  background: var(--glass);
  color: var(--accent);
}

/* UPDATED: icons in both */
#mobile-menu .nav-list li a .ico,
#mobile-menu .nav-list li .submenu-toggle .ico {
  width: 24px;
  height: 24px;
  min-width: 24px;
  flex-shrink: 0;
  opacity: 0.8;
  filter: var(--icon-filter);
}

#mobile-menu .nav-list li a:active .ico,
#mobile-menu .nav-list li .submenu-toggle:active .ico {
  opacity: 1;
  transform: scale(1.1);
}

#mobile-menu .nav-list li a.signout {
  color: var(--danger);
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--border);
}

#mobile-menu .nav-list li a.signout:active {
  background: var(--danger-bg);
}