/* Custom Enhancements for Tailwind CSS */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

html, body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: #0f172a;
  background-color: #f8fafc;
  overflow-x: hidden;
  width: 100%;
}

/* Glassmorphism utilities */
.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #0d9488;
}

/* Before & After Smile Image Comparison Slider */
.img-slider-container {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
  border-radius: 1.25rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  user-select: none;
  touch-action: pan-y;
}

@media (min-width: 640px) {
  .img-slider-container {
    height: 440px;
  }
}

.img-slider-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.img-slider-after {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
}

.img-slider-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left;
}

.img-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: #ffffff;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
  cursor: ew-resize;
  transform: translateX(-50%);
  z-index: 20;
}

.img-slider-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #0d9488;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.5);
}

/* Navbar & Mobile Drawer Transitions */
#mobile-menu {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #0d9488;
  transition: width 0.2s ease;
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Tab active state transition */
.tab-btn.active {
  background-color: #0d9488;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

/* Toast Notification */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
  max-width: 90vw;
}

.toast {
  pointer-events: auto;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}