/* 基础动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

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

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* 动画类 */
.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-fade-out {
    animation: fadeOut 0.5s ease-in forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.3s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.3s ease-out forwards;
}

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

.animate-slide-down {
    animation: slideInDown 0.3s ease-out forwards;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

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

/* 动画延迟类 */
.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;
}

/* 动画持续时间类 */
.duration-300 {
    animation-duration: 300ms;
}

.duration-500 {
    animation-duration: 500ms;
}

.duration-700 {
    animation-duration: 700ms;
}

.duration-1000 {
    animation-duration: 1000ms;
}

/* 动画缓动函数类 */
.ease-linear {
    animation-timing-function: linear;
}

.ease-in {
    animation-timing-function: ease-in;
}

.ease-out {
    animation-timing-function: ease-out;
}

.ease-in-out {
    animation-timing-function: ease-in-out;
}

/* 动画填充模式类 */
.fill-forwards {
    animation-fill-mode: forwards;
}

.fill-backwards {
    animation-fill-mode: backwards;
}

.fill-both {
    animation-fill-mode: both;
}

/* 动画播放状态类 */
.paused {
    animation-play-state: paused;
}

.running {
    animation-play-state: running;
}

/* 动画迭代类 */
.infinite {
    animation-iteration-count: infinite;
}

.once {
    animation-iteration-count: 1;
}

.twice {
    animation-iteration-count: 2;
}

/* 动画方向类 */
.alternate {
    animation-direction: alternate;
}

.reverse {
    animation-direction: reverse;
}

.alternate-reverse {
    animation-direction: alternate-reverse;
}