/* ========== 震波涟漪动画 ========== */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.8;
    border-width: 3px;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: scale(4);
    opacity: 0;
    border-width: 0;
  }
}

.ripple-effect {
  position: absolute;
  border-radius: 50%;
  border: 2px solid currentColor;
  animation: ripple 2s ease-out infinite;
  pointer-events: none;
}

.ripple-effect:nth-child(2) {
  animation-delay: 0.5s;
}

.ripple-effect:nth-child(3) {
  animation-delay: 1s;
}

/* ========== 脉冲光晕 ========== */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px currentColor, 0 0 10px currentColor, 0 0 15px currentColor;
  }
  50% {
    box-shadow: 0 0 10px currentColor, 0 0 20px currentColor, 0 0 30px currentColor;
  }
}

.pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ========== 数据闪烁 ========== */
@keyframes data-flash {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.data-flash {
  animation: data-flash 1.5s ease-in-out infinite;
}

/* ========== 扫描线 ========== */
@keyframes scan-line {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100vh);
  }
}

.scan-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-ocean), transparent);
  animation: scan-line 4s linear infinite;
  opacity: 0.3;
}

/* ========== 网格背景动画 ========== */
@keyframes grid-pulse {
  0%, 100% {
    opacity: 0.03;
  }
  50% {
    opacity: 0.06;
  }
}

.grid-bg {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-pulse 8s ease-in-out infinite;
}

/* ========== 入场动画 ========== */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-left {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fade-in-right {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in-up {
  animation: fade-in-up 0.4s var(--transition-normal) forwards;
}

.animate-fade-in-down {
  animation: fade-in-down 0.4s var(--transition-normal) forwards;
}

.animate-fade-in-left {
  animation: fade-in-left 0.4s var(--transition-normal) forwards;
}

.animate-fade-in-right {
  animation: fade-in-right 0.4s var(--transition-normal) forwards;
}

.animate-scale-in {
  animation: scale-in 0.3s var(--transition-normal) forwards;
}

/* ========== 数字滚动动画 ========== */
@keyframes count-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.count-animate {
  animation: count-up 0.3s ease-out forwards;
}

/* ========== 加载动画 ========== */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes spin-reverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-ocean);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner-double {
  position: relative;
}

.loading-spinner-double::before,
.loading-spinner-double::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 3px solid transparent;
}

.loading-spinner-double::before {
  width: 40px;
  height: 40px;
  border-top-color: var(--accent-ocean);
  animation: spin 1s linear infinite;
}

.loading-spinner-double::after {
  width: 30px;
  height: 30px;
  top: 5px;
  left: 5px;
  border-bottom-color: var(--accent-aurora);
  animation: spin-reverse 0.8s linear infinite;
}

/* ========== 警示闪烁 ========== */
@keyframes alert-flash {
  0%, 100% {
    background-color: transparent;
  }
  50% {
    background-color: rgba(255, 45, 85, 0.2);
  }
}

.alert-flash {
  animation: alert-flash 1s ease-in-out infinite;
}

/* ========== 边框流光 ========== */
@keyframes border-flow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.border-glow {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.border-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(90deg, var(--accent-ocean), var(--accent-aurora), var(--accent-purple), var(--accent-ocean));
  background-size: 300% 300%;
  animation: border-flow 4s ease infinite;
  z-index: -1;
}

/* ========== 悬浮粒子 ========== */
@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-10px) translateX(5px);
  }
  50% {
    transform: translateY(-5px) translateX(-5px);
  }
  75% {
    transform: translateY(-15px) translateX(3px);
  }
}

.float-particle {
  animation: float 6s ease-in-out infinite;
}

/* ========== 心跳效果 ========== */
@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.1);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.1);
  }
  70% {
    transform: scale(1);
  }
}

.heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* ========== 震动效果 ========== */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-2px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(2px);
  }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* ========== 延迟类 ========== */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ========== 过渡类 ========== */
.transition-all {
  transition: all var(--transition-normal);
}

.transition-transform {
  transition: transform var(--transition-fast);
}

.transition-opacity {
  transition: opacity var(--transition-fast);
}

.hover-lift {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow:hover {
  box-shadow: 0 0 20px var(--accent-ocean-glow);
}