/* 
 * 动画效果样式
 */

/* 渐入动画 */
.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-delay {
  animation: fadeIn 0.8s ease-out 0.3s forwards;
  opacity: 0;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 0.8s ease-out 0.6s forwards;
  opacity: 0;
}

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

/* 上浮动画 */
.animate-fade-in-up {
  animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 左移渐入 */
.animate-fade-in-left {
  animation: fadeInLeft 1s ease-out forwards;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 右移渐入 */
.animate-fade-in-right {
  animation: fadeInRight 1s ease-out forwards;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 滚动显示动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 脉冲动画 */
.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 闪烁动画 */
.blink-animation {
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* 旋转动画 */
.rotate-animation {
  animation: rotate 8s linear infinite;
}

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

/* 波浪效果 */
.wave-animation {
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 模态框动画 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(12, 14, 18, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-dark-2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-xl);
  transform: translateY(30px);
  opacity: 0;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-gray-1);
}

.modal.active .modal-content {
  transform: translateY(0);
  opacity: 1;
}

.modal-header {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-white);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--color-gray-4);
  font-size: 24px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-white);
}

.modal-body {
  padding: var(--spacing-4);
}

/* 进度条动画 */
.progress-bar {
  height: 4px;
  background: var(--color-gray-1);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  width: 0;
  transition: width 0.5s ease-out;
}

/* 加载中动画 */
.loading-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* 特定元素入场动画 */
.register-benefits li {
  opacity: 0;
  transform: translateX(-20px);
  animation: fadeInLeft 0.5s ease-out forwards;
}

.register-benefits li:nth-child(1) {
  animation-delay: 0.2s;
}

.register-benefits li:nth-child(2) {
  animation-delay: 0.4s;
}

.register-benefits li:nth-child(3) {
  animation-delay: 0.6s;
}