/* Enhanced Animations and Visual Polish for IMPACT Platform */

/* Smooth transitions for all interactive elements */
* {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Volunteer Spotlight Animations */
.spotlight-carousel {
  animation: fadeInUp 0.8s ease-out;
}

.featured-story {
  animation: scaleIn 0.6s ease-out 0.2s both;
}

.story-card {
  animation: slideInUp 0.6s ease-out both;
}

.story-card:nth-child(1) { animation-delay: 0.1s; }
.story-card:nth-child(2) { animation-delay: 0.2s; }
.story-card:nth-child(3) { animation-delay: 0.3s; }

.join-spotlight {
  animation: slideInUp 0.6s ease-out 0.4s both;
}

@keyframes fadeInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Loading animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0,0,0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

@keyframes fadeInScale {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Card hover effects */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Button animations */
.btn-animate {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-animate:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-animate::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-animate:hover::before {
  left: 100%;
}

/* Form input animations */
.input-float {
  position: relative;
}

.input-float input:focus + label,
.input-float input:not(:placeholder-shown) + label {
  transform: translateY(-20px) scale(0.8);
  color: #3b82f6;
}

.input-float label {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  background: white;
  padding: 0 4px;
  transition: all 0.3s ease;
  pointer-events: none;
}

/* Progress indicators */
.progress-ring {
  transition: stroke-dasharray 0.5s ease-in-out;
}

/* Toast notifications */
.toast {
  animation: slideInRight 0.3s ease-out;
}

.toast.fade-out {
  animation: slideInRight 0.3s ease-out reverse;
}

/* Loading spinner */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Stagger animations for lists */
.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

.stagger-item {
  animation: slideInUp 0.6s ease-out both;
}

/* Floating action button */
.fab {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* Glassmorphism effect */
.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Gradient backgrounds */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Pulse effect for urgent items */
.pulse-urgent {
  animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
}

/* Micro-interactions */
.micro-bounce:hover {
  animation: bounce 1s;
}

.micro-shake:hover {
  animation: shake 0.5s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
  20%, 40%, 60%, 80% { transform: translateX(2px); }
}

/* Dark mode support */
.dark {
  background-color: #1a1a1a;
  color: #ffffff;
}

.dark .card-hover {
  background-color: #2d2d2d;
}

.dark .glass {
  background: rgba(45, 45, 45, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .card-hover:hover {
    transform: none;
  }
  
  .fab {
    bottom: 15px;
    right: 15px;
    width: 48px;
    height: 48px;
  }
}

/* Success/Error states */
.success-bounce {
  animation: bounce 0.6s ease-in-out;
}

.error-shake {
  animation: shake 0.5s ease-in-out;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}