/* 图片压缩工具专用样式 */

/* 强制显示三个框的背景颜色和图标 */
.feature-box {
    background: linear-gradient(135deg, var(--bg-from), var(--bg-to)) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.feature-box.blue {
    --bg-from: #dbeafe;
    --bg-to: #bfdbfe;
    --border-color: #93c5fd;
}

.feature-box.green {
    --bg-from: #dcfce7;
    --bg-to: #bbf7d0;
    --border-color: #86efac;
}

.feature-box.purple {
    --bg-from: #e9d5ff;
    --bg-to: #d8b4fe;
    --border-color: #c084fc;
}

.feature-icon {
    background: linear-gradient(135deg, var(--icon-from), var(--icon-to)) !important;
    border: 1px solid var(--icon-border) !important;
    color: white !important;
}

.feature-icon.blue {
    --icon-from: #3b82f6;
    --icon-to: #1d4ed8;
    --icon-border: #2563eb;
}

.feature-icon.green {
    --icon-from: #10b981;
    --icon-to: #059669;
    --icon-border: #047857;
}

.feature-icon.purple {
    --icon-from: #8b5cf6;
    --icon-to: #7c3aed;
    --icon-border: #6d28d9;
}

/* 确保Font Awesome图标显示 */
.fa, .fas, .far, .fal, .fab {
    font-family: 'Font Awesome 6 Free', 'Font Awesome 5 Free', 'FontAwesome' !important;
    font-weight: 900 !important;
}

.fa-magic:before { content: "\f0d0"; }
.fa-bolt:before { content: "\f0e7"; }
.fa-shield:before { content: "\f132"; }
.fa-exchange:before { content: "\f362"; }
.fa-compress:before { content: "\f066"; }
.fa-files-o:before { content: "\f0c5"; }
.fa-cloud-upload:before { content: "\f0ee"; }
.fa-folder-open:before { content: "\f07c"; }
.fa-cog:before { content: "\f013"; }
.fa-spinner:before { content: "\f110"; }
.fa-check-circle:before { content: "\f058"; }
.fa-download:before { content: "\f019"; }
.fa-info-circle:before { content: "\f05a"; }
.fa-question-circle:before { content: "\f059"; }
.fa-image:before { content: "\f03e"; }
.fa-times:before { content: "\f00d"; }
.fa-check:before { content: "\f00c"; }
.fa-exclamation-triangle:before { content: "\f071"; }

/* 渐变背景动画 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-animate {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* 文件上传区域增强 */
.upload-area {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px dashed #e5e7eb;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.upload-area:hover {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.upload-area.dragover {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    transform: scale(1.02);
}

/* 文件项样式 */
.file-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.file-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}

/* 进度条动画 */
.progress-bar {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    background-size: 200% 100%;
    animation: progressShimmer 2s ease-in-out infinite;
}

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

/* 按钮样式增强 */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
}

/* 卡片阴影效果 */
.card-shadow {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.card-shadow:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}

/* 统计卡片样式 */
.stat-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 加载动画 */
.loading-spinner {
    animation: spin 1s linear infinite;
}

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

/* 脉冲动画 */
.pulse-animation {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    padding: 16px 24px;
    border-radius: 12px;
    font-weight: 500;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.notification.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.notification.info {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .btn-primary, .btn-success {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .upload-area {
        background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
        border-color: #374151;
    }
    
    .upload-area:hover {
        background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    }
    
    .file-item {
        background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
        border-color: #374151;
    }
    
    .stat-card {
        background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
        border-color: #374151;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #1f2937;
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px 12px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    line-height: 1.4;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 文件拖拽预览 */
.file-preview {
    display: flex;
    align-items: center;
    padding: 12px;
    margin: 8px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #0ea5e9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.file-preview:hover {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    transform: translateX(4px);
}

.file-preview img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 12px;
}

/* 压缩进度详情 */
.compression-details {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    margin: 16px 0;
}

.compression-details h4 {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 12px;
}

.compression-details .detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
}

.compression-details .detail-item:last-child {
    border-bottom: none;
}

.compression-details .detail-label {
    color: #64748b;
    font-size: 14px;
}

.compression-details .detail-value {
    color: #1e293b;
    font-weight: 500;
}

/* 成功状态动画 */
.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #10b981;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px #10b981;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.success-checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #10b981;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #10b981;
    }
}