/* ═══════════════════════════════════════════════════════════════════
   WILDLIFE GUARDIAN – theme.css
   Global Unified Theme (Dark / Light Mode System)
   WCAG AA Compliant · High Contrast · 60fps Smooth Transition
   ═══════════════════════════════════════════════════════════════════ */

/* ─── 1. INSTANT THEME SWITCHING HELPER (ZERO-LAG 60FPS) ─── */
.theme-switching,
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
  -webkit-transition: none !important;
  -moz-transition: none !important;
  -o-transition: none !important;
  -ms-transition: none !important;
  transition: none !important;
}

/* ─── 2. THEME TOGGLE BUTTON COMPONENT ─── */
.theme-toggle-btn {
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  outline: none;
  text-decoration: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Dark Mode Default State for Button (Golden Sun) */
.theme-toggle-btn {
  background: rgba(245, 158, 11, 0.12);
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.theme-toggle-btn:hover {
  transform: rotate(20deg) scale(1.1);
  background: rgba(245, 158, 11, 0.22);
  border-color: #f59e0b;
  color: #fef08a;
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.45);
}

/* Light Mode State for Button (Emerald Moon) */
[data-theme="light"] .theme-toggle-btn {
  background: rgba(16, 185, 129, 0.1);
  border: 1.5px solid rgba(16, 185, 129, 0.3);
  color: #064e3b;
}

[data-theme="light"] .theme-toggle-btn:hover {
  transform: rotate(-20deg) scale(1.1);
  background: rgba(16, 185, 129, 0.18);
  border-color: #059669;
  color: #059669;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}

.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s ease;
}

/* ─── 3. GLOBAL LIGHT SCROLLBAR ─── */
[data-theme="light"] ::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

[data-theme="light"] ::-webkit-scrollbar-track {
  background: #f1f5f9;
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 6px;
  border: 2px solid #f1f5f9;
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* ─── 4. NAVBAR LIGHT MODE OVERRIDES (WCAG AA) ─── */
[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255, 255, 255, 0.96) !important;
  backdrop-filter: blur(25px) !important;
  -webkit-backdrop-filter: blur(25px) !important;
  border-bottom: 1px solid rgba(16, 185, 129, 0.2) !important;
  box-shadow: 0 6px 24px rgba(6, 78, 59, 0.08) !important;
}

[data-theme="light"] .navbar .logo-text {
  color: #064e3b !important;
  text-shadow: none !important;
}

[data-theme="light"] .navbar .nav-item {
  color: #1e293b !important;
  font-weight: 550 !important;
}

[data-theme="light"] .navbar .nav-item:hover {
  color: #059669 !important;
  background: rgba(16, 185, 129, 0.08) !important;
}

[data-theme="light"] .navbar .nav-item.active {
  color: #047857 !important;
  background: #d1fae5 !important;
  border: 1px solid #6ee7b7 !important;
  font-weight: 600 !important;
}

/* Language Switcher in Light Mode */
[data-theme="light"] .navbar .lang-switcher {
  color: #064e3b !important;
}

[data-theme="light"] .navbar .lang-toggle-btn {
  color: #064e3b !important;
  border-color: rgba(16, 185, 129, 0.25) !important;
  background: rgba(16, 185, 129, 0.06) !important;
}

[data-theme="light"] .navbar .lang-toggle-btn:hover {
  background: rgba(16, 185, 129, 0.14) !important;
  border-color: #10b981 !important;
}

[data-theme="light"] .navbar .lang-dropdown {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="light"] .navbar .lang-dropdown a {
  color: #1e293b !important;
}

[data-theme="light"] .navbar .lang-dropdown a:hover {
  background: #f0fdf4 !important;
  color: #059669 !important;
}

/* Login Button in Light Mode */
[data-theme="light"] .navbar .btn-login {
  color: #064e3b !important;
  border: 1.5px solid #a7f3d0 !important;
  background: rgba(16, 185, 129, 0.08) !important;
  font-weight: 600 !important;
}

[data-theme="light"] .navbar .btn-login:hover {
  background: #059669 !important;
  color: #ffffff !important;
  border-color: #059669 !important;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3) !important;
}

/* Hamburger for Mobile */
[data-theme="light"] .navbar .hamburger span {
  background: #064e3b !important;
}

/* Mobile Nav Drawer */
[data-theme="light"] .mobile-nav {
  background: rgba(255, 255, 255, 0.98) !important;
  border-top: 1px solid #e2e8f0 !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .mobile-nav a {
  color: #1e293b !important;
  font-weight: 550 !important;
}

[data-theme="light"] .mobile-nav a:hover {
  color: #059669 !important;
  background: #f0fdf4 !important;
}

[data-theme="light"] .mobile-nav a.active-mobile {
  color: #047857 !important;
  background: #d1fae5 !important;
  border-left: 3px solid #059669 !important;
  font-weight: 600 !important;
}

/* Nav User Avatar / Profile Dropdown */
[data-theme="light"] .navbar .user-profile-menu {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .navbar .user-profile-menu a,
[data-theme="light"] .navbar .user-profile-menu button {
  color: #1e293b !important;
}

[data-theme="light"] .navbar .user-profile-menu a:hover,
[data-theme="light"] .navbar .user-profile-menu button:hover {
  background: #f0fdf4 !important;
  color: #059669 !important;
}