/* Thin layer for things that are awkward as Tailwind utilities:
   the card flip, reduced-motion, focus rings, and a few primitives. */

:root {
  --flip-ms: 420ms;
}

/* 3D flip card ------------------------------------------------------------ */
.flip {
  perspective: 1400px;
}
.flip-inner {
  position: relative;
  transform-style: preserve-3d;
  transition: transform var(--flip-ms) cubic-bezier(0.2, 0.7, 0.2, 1);
}
.flip.revealed .flip-inner {
  transform: rotateX(180deg);
}
.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}
.flip-back {
  transform: rotateX(180deg);
}
/* The inner element needs an explicit height; the wrapper sets it per-screen. */
.flip,
.flip-inner {
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .flip-inner {
    transition: none;
  }
}

/* Focus visibility -------------------------------------------------------- */
:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Keyboard hint keycaps --------------------------------------------------- */
kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid rgb(148 163 184 / 0.5);
  background: rgb(148 163 184 / 0.12);
  white-space: nowrap;
}

/* Toast ------------------------------------------------------------------- */
.toast {
  animation: toast-in 160ms ease-out;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Flag rendering ---------------------------------------------------------- */
.flag {
  display: inline-block;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgb(15 23 42 / 0.12);
  object-fit: cover;
  background: rgb(148 163 184 / 0.2);
}