:root {
  --primary: #FF6B6B;
  --primary-light: #FF8E72;
  --secondary: #4ECDC4;
  --golden: #FFE66D;
  --mint: #7AE582;
  --alert: #E63946;
  --background: #FFF9F5;
  --dark: #2D3436;
  --muted: #636E72;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background);
  color: var(--dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-primary { background-color: var(--primary); }
.bg-primary-light { background-color: var(--primary-light); }
.bg-secondary { background-color: var(--secondary); }
.bg-golden { background-color: var(--golden); }
.bg-mint { background-color: var(--mint); }
.bg-alert { background-color: var(--alert); }
.bg-background { background-color: var(--background); }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-golden { color: var(--golden); }
.text-mint { color: var(--mint); }
.text-alert { color: var(--alert); }
.text-dark { color: var(--dark); }
.text-muted { color: var(--muted); }

.header-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.header-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.header-gradient::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 150px;
  height: 150px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.shadow-warm {
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.15);
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Animations */
@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce-in {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(0.5);
  }
  50% {
    transform: translateX(-50%) scale(1.05);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes tab-bounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

@keyframes confetti-fall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

@keyframes paw-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-slide-up {
  animation: slide-up 0.4s ease-out forwards;
}

.animate-bounce-in {
  animation: bounce-in 0.4s ease-out forwards;
}

.animate-tab-bounce {
  animation: tab-bounce 0.3s ease-out;
}

/* Confetti */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -20px;
  border-radius: 2px;
  animation: confetti-fall 3s ease-in-out forwards;
}

/* Paw loader */
.paw-loader {
  display: flex;
  align-items: center;
  justify-content: center;
}

.paw-loader span {
  animation: paw-bounce 0.6s ease-in-out infinite;
}

/* Active states */
.active\:scale-95:active {
  transform: scale(0.95);
}

.active\:scale-98:active {
  transform: scale(0.98);
}

/* Focus states */
input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

/* Scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Safe area padding for notch devices */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  nav {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* Responsive adjustments */
@media (max-width: 375px) {
  .text-2xl {
    font-size: 1.25rem;
  }
  
  .text-3xl {
    font-size: 1.5rem;
  }
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--golden));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Card hover effects */
.shadow-warm:hover {
  box-shadow: 0 8px 30px rgba(255, 107, 107, 0.2);
  transition: box-shadow 0.3s ease;
}

/* Button hover effects */
button:hover:not(:disabled) {
  transform: translateY(-1px);
  transition: transform 0.2s ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

/* Image loading placeholder */
img {
  background: linear-gradient(135deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

img[src] {
  background: none;
  animation: none;
}

/* Paw print background pattern */
.paw-pattern {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Ctext x='30' y='35' text-anchor='middle' font-size='20' opacity='0.05'%3E🐾%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
}