/* =============================================================
   ACHIEVEMENTS
   ============================================================= */
.ach-page { padding: var(--s-5) var(--s-5) 0; }
.ach-title {
  font-family: var(--font-display); font-size: var(--fs-h2);
  letter-spacing: var(--tracking-tight);
  margin-bottom: 6px;
}
.ach-subtitle { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.ach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
.ach-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: var(--s-4) 14px;
  display: flex; flex-direction: column; gap: var(--s-2);
  transition: border-color var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
}
.ach-card { position: relative; overflow: visible; }
.ach-card.locked  { opacity: 0.35; }
.ach-card.claimed { border-color: var(--success); }
.ach-card.pending {
  border-color: var(--xp);
  background: linear-gradient(180deg, color-mix(in srgb, var(--xp) 8%, var(--surface)) 0%, var(--surface) 60%);
  animation: ach-glow 2.4s ease-in-out infinite;
}
@keyframes ach-glow {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--xp) 25%, transparent); }
  50%      { box-shadow: 0 0 22px 2px color-mix(in srgb, var(--xp) 38%, transparent); }
}
.ach-card.pending .ach-icon {
  animation: ach-bob 1.6s ease-in-out infinite;
  transform-origin: 50% 70%;
}
@keyframes ach-bob {
  0%, 100% { transform: translateY(0) rotate(0); }
  50%      { transform: translateY(-3px) rotate(-4deg); }
}
.ach-card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.ach-icon { font-size: 1.8rem; transition: transform var(--dur-base) var(--ease); }
.ach-check { font-size: 14px; }
.ach-name { font-family: var(--font-display); font-size: 13px; line-height: 1.2; }
.ach-desc { font-size: 11px; color: var(--muted); line-height: 1.4; }
.ach-foot { min-height: 18px; }
.ach-xp-tag {
  display: inline-block;
  background: color-mix(in srgb, var(--xp) 16%, transparent);
  color: var(--xp);
  border: 1px solid color-mix(in srgb, var(--xp) 40%, transparent);
  border-radius: var(--r-full);
  padding: 1px 8px; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  font-family: var(--font-display);
}
.ach-claim-btn {
  margin-top: 4px;
  padding: 9px 12px; border-radius: var(--r-sm);
  background: var(--xp); color: #1a1207;
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase;
  font-family: var(--font-display);
  border: none; cursor: pointer;
  transition: transform var(--dur-base) var(--ease), filter var(--dur-base) var(--ease);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--xp) 30%, transparent);
}
.ach-claim-btn:active { transform: scale(0.96); filter: brightness(1.05); }

/* Claim-Animation: Card poppt + Emoji rotiert. Burst-Particles werden
   per JS injiziert, Animation steckt hier. */
.ach-card.claiming {
  animation: ach-claim-pop 600ms var(--ease-spring);
  border-color: var(--xp);
  z-index: 5;
}
@keyframes ach-claim-pop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.08); }
  60%  { transform: scale(0.97); }
  100% { transform: scale(1); }
}
.ach-card.claiming .ach-icon {
  animation: ach-claim-spin 700ms var(--ease-spring);
}
@keyframes ach-claim-spin {
  0%   { transform: rotate(0) scale(1); }
  55%  { transform: rotate(200deg) scale(1.45); }
  100% { transform: rotate(360deg) scale(1); }
}
.ach-burst {
  position: absolute; inset: 0;
  pointer-events: none; overflow: visible;
  z-index: 4;
}
.ach-particle {
  position: absolute; left: 50%; top: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--xp);
  --tx: 0px; --ty: 0px;
  animation: ach-particle 800ms cubic-bezier(0.18, 0.85, 0.4, 1) forwards;
  will-change: transform, opacity;
}
@keyframes ach-particle {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  20%  { transform: translate(calc(-50% + var(--tx) * 0.2), calc(-50% + var(--ty) * 0.2)) scale(1); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(0.4); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ach-card.pending          { animation: none; }
  .ach-card.pending .ach-icon { animation: none; }
  .ach-card.claiming         { animation: none; }
  .ach-card.claiming .ach-icon { animation: none; }
  .ach-particle              { animation-duration: 200ms; }
}