/* 关键帧与动效 */
@keyframes fluidShift {
  0%   { transform: scale(1) translate(0, 0) rotate(0deg); }
  50%  { transform: scale(1.12) translate(2%, -2%) rotate(2deg); }
  100% { transform: scale(1.08) translate(-2%, 2%) rotate(-2deg); }
}

@keyframes viewIn {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sheetUp {
  from { transform: translate(-50%, 100%); }
  to   { transform: translate(-50%, 0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.18); opacity: 0.7; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-7px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

@keyframes checkDraw {
  to { stroke-dashoffset: 0; }
}

@keyframes celebrate {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.12); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* 入场错峰 */
.stagger > * { animation: cardIn 0.62s var(--ease-spring) both; }
.stagger > *:nth-child(1) { animation-delay: 0.03s; }
.stagger > *:nth-child(2) { animation-delay: 0.10s; }
.stagger > *:nth-child(3) { animation-delay: 0.17s; }
.stagger > *:nth-child(4) { animation-delay: 0.24s; }
.stagger > *:nth-child(5) { animation-delay: 0.31s; }

.shake { animation: shake 0.4s ease; }
.pulse-dot { animation: pulse 1.8s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .stagger > *, .pulse-dot, .shake { animation: none !important; }
}

/* 目标达成庆祝 */
.card.celebrate {
  animation: celebrate 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
  border-color: var(--green-400);
}
.card.celebrate .num { background: linear-gradient(120deg, var(--green-600), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }