/* ============================================
   动画系统
   ============================================ */

/* 背景光晕漂移 */
@keyframes glowFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, 30px) scale(1.05); }
  50% { transform: translate(-20px, 60px) scale(0.95); }
  75% { transform: translate(30px, -20px) scale(1.02); }
}

@keyframes glowFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, -30px) scale(1.08); }
  66% { transform: translate(30px, -50px) scale(0.92); }
}

@keyframes glowFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  33% { transform: translate(-45%, -55%) scale(1.1); }
  66% { transform: translate(-55%, -45%) scale(0.9); }
}

/* 卡片入场 */
@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 弹窗入场 */
@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 旋转 */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 光泽扫过 */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* 脉冲 */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* 淡入 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 从上方滑入 */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 缩放弹入 */
@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  70% {
    transform: scale(1.02);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* 悬浮动画类 */
.anim-fade-in { animation: fadeIn 0.3s var(--ease-glass); }
.anim-slide-down { animation: slideDown 0.3s var(--ease-glass); }
.anim-pop-in { animation: popIn 0.35s var(--ease-glass); }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}