html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.soft-grid {
  background-image:
    radial-gradient(circle at 20% 20%, rgba(16,185,129,.08) 0, transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(59,130,246,.07) 0, transparent 32%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.shimmer {
  position: relative;
  overflow: hidden;
  background: #e2e8f0;
}

.shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.65), transparent);
  animation: shimmer 1.25s infinite;
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

.tab-enter {
  animation: tabEnter .2s ease-out both;
}

@keyframes tabEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-flash {
  animation: resultFlash .18s ease-out both;
}

@keyframes resultFlash {
  from { opacity: .45; transform: scale(.99); }
  to { opacity: 1; transform: scale(1); }
}