/* ========================================
   BASE STYLES
   ======================================== */

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

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(249, 115, 22, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite, pulse 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 60% 40%, rgba(34, 197, 94, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 30% 80%, rgba(168, 85, 247, 0.06) 0%, transparent 40%);
  animation: float 25s ease-in-out infinite reverse, pulse 10s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  25% { transform: translateY(-20px) translateX(10px); }
  50% { transform: translateY(-30px) translateX(-10px); }
  75% { transform: translateY(-15px) translateX(5px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

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

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

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