@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --background: #ffffff;
  --foreground: #171717;
  --card: #f9fafb;
  --card-border: #e5e7eb;
  --muted: #6b7280;
  --primary: #3b82f6;
}

.dark {
  --background: #0a0a0a;
  --foreground: #ededed;
  --card: #1a1a2e;
  --card-border: #2d2d44;
  --muted: #9ca3af;
  --primary: #60a5fa;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px; /* prevent auto-zoom on iOS */
  max-width: 100vw;
  overflow-x: hidden;
}

/* Mobile-first base */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
textarea,
select {
  font-size: 16px; /* Prevent zoom on iOS */
}

@layer utilities {
  .scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .scrollbar-hide::-webkit-scrollbar {
    display: none;
  }

  .text-muted {
    color: var(--muted);
  }
}

/* Smooth page transitions */
main {
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile overscroll behavior */
@media (max-width: 640px) {
  html {
    overscroll-behavior-y: contain;
  }
}

/* Selection color */
::selection {
  background: rgba(59, 130, 246, 0.3);
}