/* animations.css - 优雅的动画效果 */

/* 文件上传动画 */
.file-item {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 文件移除动画 */
.file-item.removing {
    animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* 按钮点击波纹效果 */
.btn-primary, .btn-secondary, .btn-polish {
    position: relative;
    overflow: hidden;
}

.btn-primary::after, .btn-secondary::after, .btn-polish::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after, .btn-secondary:active::after, .btn-polish:active::after {
    width: 300px;
    height: 300px;
}

/* 输入框聚焦动画 */
input:focus, textarea:focus {
    animation: inputFocus 0.3s ease-out;
}

@keyframes inputFocus {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.01);
    }
    100% {
        transform: scale(1);
    }
}

/* 拖拽区域动画 */
.upload-area.dragover {
    animation: dragPulse 0.6s ease-in-out infinite;
}

@keyframes dragPulse {
    0%, 100% {
        transform: scale(1);
        border-color: #1890ff;
    }
    50% {
        transform: scale(1.02);
        border-color: #40a9ff;
    }
}

/* 加载骨架屏动画 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 淡入淡出动画 */
.fade-in {
    animation: fadeIn 0.4s ease-in;
}

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

.fade-out {
    animation: fadeOut 0.4s ease-out;
}

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

/* 弹跳动画 */
.bounce {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-10px);
    }
    50% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(-5px);
    }
}

/* 抖动动画(用于错误提示) */
.shake {
    animation: shake 0.5s ease;
}

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

/* 进度条动画 */
.progress-bar {
    position: relative;
    overflow: hidden;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progressShine 1.5s infinite;
}

@keyframes progressShine {
    to {
        left: 100%;
    }
}

/* 卡片悬浮效果 */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 旋转加载动画 */
.spinner-rotate {
    animation: rotate 1s linear infinite;
}

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

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

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

/* 呼吸灯效果 */
.breathing {
    animation: breathing 3s ease-in-out infinite;
}

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

/* 优化减少动画的媒体查询(尊重用户偏好) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}