/* Base Styles */
:root {
    --primary-color: #0071e3;
    --primary-color-rgb: 0, 113, 227;
    --secondary-color: #86868b;
    --text-color: #1d1d1f;
    --light-text: #f5f5f7;
    --border-color: #d2d2d7;
    --bg-light: #f5f5f7;
    --bg-dark: #000000;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.5;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast) ease;
}

a:hover {
    color: #0051a2;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    background: none;
    position: relative;
}

input, select, textarea {
    font-family: var(--font-family);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 48px;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 36px;
    letter-spacing: -0.3px;
}

h3 {
    font-size: 24px;
    letter-spacing: -0.2px;
}

h4 {
    font-size: 20px;
}

p {
    margin-bottom: var(--spacing-md);
}

p.lead {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 40px;
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-fast) ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #0051a2;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--text-color);
    transform: translateY(-2px);
}

.btn-outlined {
    border: 1px solid var(--border-color);
    background: transparent;
}

.btn-outlined:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* 统一按钮基础样式 */
.action-btn {
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.action-btn svg {
    width: 20px;
    height: 20px;
}

.delete-btn {
    composes: action-btn;
    color: #ff3b30;
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
    border-radius: 8px;
}

.delete-btn:hover {
    background-color: rgba(255, 59, 48, 0.1);
}

.download-btn {
    composes: action-btn;
    color: var(--primary-color);
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
    border-radius: 8px;
}

.download-btn:hover {
    background-color: rgba(0, 113, 227, 0.1);
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav {
    height: 60px;
    display: flex;
    align-items: center;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo a {
    font-weight: 600;
    font-size: 22px;
    color: var(--text-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    text-align: center;
    background: linear-gradient(180deg, #fff 0%, var(--bg-light) 100%);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.cta-buttons {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* Compressor Section */
.compressor {
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.compressor h2 {
    margin-bottom: var(--spacing-sm);
}

.compressor > .container > p {
    margin-bottom: var(--spacing-xl);
    color: var(--secondary-color);
    font-size: 18px;
}

/* 新的两栏布局样式 */
.compressor-layout {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

/* 上部分面板样式 */
.top-panel {
    width: 90%;
    display: flex;
    flex-direction: row;
    gap: 8px;
    margin: 0 auto; /* 使面板居中 */
    padding: 0 16px; /* 添加左右内边距与下方面板对齐 */
}

/* 下部分面板样式 */
.bottom-panel {
    display: flex;
    flex-direction: row;
    width: 90%;
    gap: 8px; /* 确保与top-panel一致 */
    margin: var(--spacing-md) auto 0; /* 保留上边距并居中 */
    padding: 0; /* 确保没有内边距 */
}

/* 左右面板样式 */
.left-panel, .right-panel {
    display: flex;
    flex: 1;
    min-width: 0;
    height: 550px;
    overflow: hidden; /* 防止内容溢出 */
}

/* 上传容器和结果容器适应新布局 */
.upload-container, .results-container {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    background-color: white;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal) ease;
    display: flex;
    flex-direction: column;
}

.results-container {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #fafafa;
}

/* 响应式布局调整 */
@media (max-width: 992px) {
    .bottom-panel {
        flex-direction: column;
    }
    
    .left-panel, .right-panel {
        width: 100%;
        height: auto;
        min-height: 450px;
    }
    
    .upload-area {
        min-height: 350px;
        max-height: 450px;
    }
    
    .compression-options, .results-container {
        margin-top: var(--spacing-md);
    }
    
    .results-container {
        margin-top: var(--spacing-lg);
        min-height: 350px;
    }
}

.upload-area {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background: #fff;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast) ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    border-top: none;
    border-bottom: none;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 113, 227, 0.02);
}

.upload-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: var(--spacing-sm);
}

.upload-message svg {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.upload-message h3 {
    margin-bottom: var(--spacing-sm);
}

.upload-message p {
    margin-bottom: var(--spacing-sm);
}

.upload-message label {
    cursor: pointer;
}

.upload-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.upload-actions button {
    min-width: 100px;
    position: relative;
}

.badge {
    position: absolute;
    top: -10px;
    right: -8px;
    background-color: #ff3b30;
    color: white;
    font-size: 12px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    z-index: 10;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    pointer-events: none;
}

.compression-options {
    flex: 1;
    background-color: white;
    border-radius: var(--radius-md);
    padding: 16px; /* 使用固定值确保与其他元素一致 */
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-left: 0;
    margin-right: 0;
}

.option-group {
    margin-bottom: var(--spacing-xs);
}

.option-group h3 {
    text-align: left;
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 16px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
}

.option-group h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 100%;
    width: 3px;
    background-color: var(--primary-color);
}

.radio-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

/* 滑块容器样式恢复 */
.slider-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    margin-top: 0;
    height: 32px;
}

/* 滑块样式 */
.slider-container input[type="range"] {
    flex: 1;
}

/* 数字输入框通用样式 */
input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.compression-options button {
    margin-top: var(--spacing-md);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results */
.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    height: 36px; /* 与预览头部保持一致 */
    margin-bottom: 4px; /* 与预览头部保持一致 */
    position: relative;
    padding: 0;
    z-index: 10;
}

.results-header h3 {
    margin: 0;
    font-size: 16px; /* 减小字体大小 */
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.summary {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: #666;
}

.summary span {
    margin-right: 15px;
    font-weight: 500;
}

.summary #percentageChange {
    display: inline-flex;
    align-items: center;
}

.summary #changeDirection {
    margin-right: 3px;
}

.summary .increase {
    color: #ff4d4f; /* 红色，表示文件尺寸增加 */
}

.summary .decrease {
    color: #52c41a; /* 绿色，表示文件尺寸减少 */
}

.download-buttons {
    display: flex;
    gap: 12px;
}

.download-buttons button {
    font-size: 14px;
    padding: 0 20px;
    height: 40px;
    border-radius: 8px;
}

.image-results {
    padding: 8px 16px;
}

/* 单行结果项样式 */
.result-item {
    position: relative;
    margin-bottom: 12px;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.2s ease;
}

.result-item:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* 调整预览卡片中的缩略图大小 */
.result-thumbnail {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    overflow: hidden;
    margin-right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 确保最后一个条目没有下边框 */
.result-item:last-child {
    border-bottom: none;
}

/* 结果缩略图样式 */
.result-filename {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 4px;
    font-size: 13px;
}

/* 大小和格式容器 */
.result-size-container {
    display: none !important; /* 完全禁用这个类，使用内联样式代替 */
}

/* 格式标签样式 */
.format-badge {
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 3px;
    display: inline-block;
    text-align: center;
    font-weight: 600;
    background-color: #f0f0f0;
    color: #333;
    max-width: 60px;
}

.result-progress-bar {
    background-color: #f5f5f5;
    height: 6px;
    border-radius: 3px;
    margin: 0 16px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: #3498db;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.result-reduction {
    color: #2ecc71; /* 绿色，表示减少 */
    font-weight: 600;
    text-align: right;
}

.result-increase {
    color: #ff4d4f; /* 红色，表示增加 */
    font-weight: 600;
    text-align: right;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 16px;
    border-top: 1px solid #f0f0f0;
}

/* Features Section */
.features {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--bg-light);
    text-align: center;
}

.features h2 {
    margin-bottom: var(--spacing-xxl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.feature-card p {
    color: var(--secondary-color);
    margin-bottom: 0;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xxxl) 0;
    background-color: white;
    text-align: center;
}

.how-it-works h2 {
    margin-bottom: var(--spacing-xxl);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--spacing-xl);
    text-align: left;
    margin-bottom: var(--spacing-xxl);
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--secondary-color);
    margin-bottom: 0;
}

/* FAQ Section */
.faq {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--bg-light);
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background-color: white;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 500;
    background-color: white;
    border: none;
    cursor: pointer;
}

.accordion-header span {
    font-size: 18px;
}

.accordion-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: none;
}

.accordion-content.active {
    display: block;
}

.accordion-content p {
    margin-bottom: 0;
    color: var(--secondary-color);
}

/* Footer */
footer {
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    background-color: white;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-logo a {
    font-weight: 600;
    font-size: 20px;
    color: var(--text-color);
}

.footer-logo p {
    color: var(--secondary-color);
    margin-top: var(--spacing-sm);
    font-size: 14px;
}

.footer-links h4, .footer-privacy h4 {
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--secondary-color);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-privacy p {
    color: var(--secondary-color);
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--secondary-color);
    font-size: 12px;
    margin-bottom: 0;
}

/* Animation for image results */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.image-result-item {
    animation: fadeIn 0.3s ease forwards;
}

/* 格式选择组的样式 - 水平布局 */
.format-group {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.format-group h3 {
    text-align: left;
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 16px;
    color: var(--secondary-color);
}

.format-group h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 100%;
    width: 3px;
    background-color: var(--primary-color);
}

.format-group .radio-group {
    margin-left: var(--spacing-lg);
}

/* 新的模式布局样式 */
.modes-wrapper {
    padding: var(--spacing-sm);
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-sm);
}

/* 压缩模式容器统一样式 */
.modes-container {
    display: flex;
    flex-direction: column;
    gap: 1px; /* 进一步减少两个模式之间的间距 */
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* 模式选项统一样式 */
.mode-option {
    padding: var(--spacing-xs) var(--spacing-md);
    min-height: 48px;
    max-height: 48px;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: all var(--transition-fast) ease;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
    /* 确保初始状态所有模式都有白色背景 */
    background-color: white;
}

.mode-option:last-child {
    border-bottom: none;
}

/* 选中模式的样式 */
.selected-mode {
    background-color: white !important; /* 提高特异性 */
    position: relative;
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

/* 未选中模式的样式 */
.unselected-mode {
    background-color: rgba(245, 245, 247, 0.6) !important; /* 提高特异性 */
    opacity: 0.85;
}

/* 未选中模式的标签文本颜色也变暗 */
.unselected-mode .mode-label span {
    color: var(--secondary-color);
}

/* 鼠标悬停效果 */
.unselected-mode:hover {
    background-color: rgba(245, 245, 247, 0.9) !important;
    opacity: 0.95;
}

/* 目标大小输入框和单位选择器样式 */
.size-input-group {
    display: flex;
    width: 100%;
    max-width: 220px;
    height: 32px;
}

.size-input-group input {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    padding: 0 8px;
    font-size: 14px;
    height: 32px;
    box-sizing: border-box;
}

/* 单位切换按钮组 */
.unit-toggle {
    display: flex;
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    overflow: hidden;
    height: 32px;
    box-sizing: border-box;
}

.unit-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 100%;
    padding: 0 8px;
    background-color: var(--bg-light);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.unit-option:first-child {
    border-right: 1px solid var(--border-color);
}

.unit-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.unit-option span {
    font-size: 14px;
    color: var(--secondary-color);
}

.unit-option input:checked + span {
    color: var(--primary-color);
    font-weight: 500;
}

.unit-option:hover {
    background-color: rgba(0, 113, 227, 0.05);
}

/* 确保模式设置区有足够宽度 */
.mode-settings {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-left: var(--spacing-md);
    min-width: 200px;
}

.mode-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.mode-label span {
    font-size: 16px;
    color: var(--text-color);
}

/* 上传区域的缩略图网格样式 */
.thumbnails-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 10px;
    padding: var(--spacing-md);
    width: 100%;
    height: 100%;
    overflow-y: auto;
}

.thumbnail-item {
    position: relative;
    height: auto;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
    background-color: white;
    display: flex;
    flex-direction: column;
}

.thumbnail-img-container {
    position: relative;
    height: 0;
    padding-bottom: 100%;
    overflow: hidden;
}

.thumbnail-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-info {
    padding: 8px;
    font-size: 12px;
    border-top: 1px solid #f0f0f0;
    background-color: #fafafa;
}

.thumbnail-filename {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
    color: var(--text-color);
}

.thumbnail-filesize {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--secondary-color);
    font-size: 11px;
}

.thumbnail-delete-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 16px;
    line-height: 1;
}

.thumbnail-item:hover .thumbnail-delete-btn {
    background-color: rgba(0, 0, 0, 0.7);
}

.thumbnail-delete-btn:hover {
    background-color: rgba(255, 0, 0, 0.7);
}

/* 下载按钮样式，类似删除按钮但颜色不同 */
.thumbnail-download-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 16px;
    line-height: 1;
}

.thumbnail-item:hover .thumbnail-download-btn {
    background-color: rgba(0, 113, 227, 0.8);
}

.thumbnail-download-btn:hover {
    background-color: rgba(0, 113, 227, 0.9);
}

/* 压缩比例标签样式 */
.compression-badge {
    background-color: #34c759;
    color: white;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 5px;
    border-radius: 10px;
    margin-left: 5px;
}

/* 上传区域显示压缩结果时的样式 */
.upload-area.showing-results {
    padding: var(--spacing-md);
    overflow-y: auto;
}

.upload-area .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.upload-area .results-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--secondary-color);
}

.upload-area .summary {
    display: flex;
    gap: var(--spacing-sm);
}

.upload-area .summary span {
    background-color: var(--primary-color);
    color: white;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
}

.upload-area .image-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 调整上传区域显示结果时的布局和滚动条 */
.upload-area.showing-results::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.upload-area.showing-results::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

.upload-area.showing-results::-webkit-scrollbar-track {
    background-color: var(--bg-light);
    border-radius: 3px;
}

/* 调整图片结果项在上传区域中的布局 */
.upload-area .image-result-item {
    margin-bottom: var(--spacing-sm);
}

/* 调整上传区域显示结果时的样式 */
.upload-area.showing-results .thumbnails-container {
    padding-top: 10px;
}

.upload-area.showing-results .results-header {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: 0;
}

/* 确保结果图片显示在网格中 */
.upload-area.showing-results #imageResults {
    display: contents;
}

@media (max-width: 768px) {
    .compressor-layout {
        gap: var(--spacing-md);
    }
    
    .top-panel .compression-options {
        padding: var(--spacing-md);
    }
    
    .bottom-panel {
        margin-top: 0;
    }
    
    .left-panel, .right-panel {
        min-height: 400px;
    }
    
    #previewResults .result-item, #imageResults .result-item {
        gap: 4px;
        padding: 8px 6px;
        font-size: 12px;
        min-height: 46px; /* 在小屏幕上稍微减小高度 */
    }
    
    .result-thumbnail {
        width: 32px;
        height: 32px;
    }
    
    .result-filename {
        font-size: 12px;
    }
    
    .result-size, .result-compressed-size {
        font-size: 11px;
    }
}

@media (max-width: 576px) {
    .compressor > .container > p {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }
    
    .compression-options {
        padding: var(--spacing-sm);
    }
    
    .left-panel, .right-panel {
        min-height: 350px;
    }
    
    .preview-header, .results-header {
        padding: var(--spacing-sm) 0;
    }
    
    #previewResults .result-item {
        grid-template-columns: 30px 2fr 1fr auto;
        min-height: 40px;
    }
    
    #imageResults .result-item {
        grid-template-columns: 30px 2fr 1fr 2fr 1fr 1fr auto;
        min-height: 40px;
    }
    
    .result-thumbnail {
        width: 28px;
        height: 28px;
    }
    
    .preview-header .button-group {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .preview-header .button-group button {
        font-size: 12px;
        padding: 0 12px;
        height: 36px;
    }
}

/* 清理重复定义，统一预览和结果卡片滚动区域 */
#previewResults, #imageResults {
    padding: 0 !important; 
    overflow-y: auto;
    flex: 1;
    margin: 0 !important;
    min-height: 0;
    height: calc(100% - 40px);
    scrollbar-width: thin;
    display: flex;
    flex-direction: column;
}

#previewResults .result-item,
#imageResults .result-item {
    position: relative;
    display: grid;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid #f5f5f5;
    font-size: 14px;
    gap: 8px;
    min-height: 52px;
    flex-shrink: 0; /* 防止压缩 */
}

/* 分别定义两种卡片的列布局 */
#previewResults .result-item {
    grid-template-columns: 40px 2fr 1fr auto;
}

#imageResults .result-item {
    grid-template-columns: 40px 2fr 1fr 2fr 1fr 1fr auto;
}

/* 优化容器布局 */
.upload-container, .results-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
}

/* 优化预览和结果区头部布局 */
.preview-header, .results-header {
    flex-shrink: 0; /* 防止头部被压缩 */
    height: 36px; /* 减小固定头部高度 */
    display: flex;
    align-items: center;
    margin-bottom: 4px; /* 减小下边距 */
    position: relative;
    padding: 0;
    z-index: 10;
}

.preview-header h3, .results-header h3 {
    margin: 0;
    font-size: 16px; /* 减小字体大小 */
    font-weight: 600;
}

.preview-header .button-group button {
    padding: 0 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 8px;
    background: none;
    border: none;
    transition: all var(--transition-fast) ease;
    white-space: nowrap;
    margin: 0 4px;
}

.preview-header .button-group button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.preview-header .button-group button.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.preview-header .button-group button.btn-primary:hover {
    background-color: #0051a2;
}

.preview-header .button-group button.btn-secondary {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.preview-header .button-group button.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

/* 加载指示器样式 */
.loading-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    width: 100%;
    font-size: 16px;
    color: var(--secondary-color);
    border-radius: var(--radius-sm);
    background-color: rgba(0, 0, 0, 0.02);
    margin-bottom: var(--spacing-md);
}

#previewResults {
    padding: 0;
    max-height: none;
    overflow-y: auto;
    flex: 1;
    margin-bottom: 0;
}

#previewResults::-webkit-scrollbar, 
#imageResults::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

#previewResults::-webkit-scrollbar-thumb,
#imageResults::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

#previewResults::-webkit-scrollbar-track,
#imageResults::-webkit-scrollbar-track {
    background-color: var(--bg-light);
    border-radius: 3px;
}

#previewResults .result-item,
#imageResults .result-item {
    padding: 8px;
    margin-bottom: 1px;
    min-height: 52px;
}

/* 移除旧的缩略图样式 */
.thumbnails-container {
    display: none;
}

.thumbnail-item {
    display: none;
}

@media (max-width: 768px) {
    .thumbnail-download-btn {
        opacity: 1;
    }
}

/* 确保预览和结果区域的条目能够显示相同数量 */
.upload-area .upload-message {
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    display: flex;
}

/* 最后再检查一遍确保条目高度一致 */
#previewResults .result-item,
#imageResults .result-item {
    min-height: 52px;
    flex-shrink: 0;
}

/* 图片预览区域样式 */
.preview-container {
    width: 100%;
    height: 100%;
    text-align: left;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.upload-actions button,
.preview-header .button-group button,
.action-btn {
    position: relative; /* 确保按钮是相对定位的 */
    overflow: visible; /* 确保按钮不会裁剪溢出内容 */
}

/* 确保按钮容器不会裁剪徽章 */
.upload-actions,
.preview-header .button-group,
.action-btn-container {
    position: relative;
    overflow: visible;
    padding-top: 10px; /* 为徽章留出足够的顶部空间 */
}

#startCompressBtn {
    position: relative;
    overflow: visible; /* 确保不裁剪徽章 */
}

#startCompressBtn .badge {
    top: -12px; /* 更高的位置 */
    right: -10px;
    z-index: 100; /* 更高的层级 */
}

/* 调整红色徽章更好的显示在按钮上方 */
.btn-primary .badge,
.action-btn .badge {
    top: -12px;
    right: -10px;
    z-index: 100;
}

/* 确保#previewResults滚动区域能显示尽可能多的条目 */
#previewResults {
    height: calc(100% - 52px) !important; /* 40px标题高度 + 12px上下间距 */
    padding: 0 !important;
    margin: 0 !important;
    overflow-y: auto !important;
    flex: 1 !important;
}

/* 强化左侧条目样式，确保不会被底部的样式覆盖 */
#previewResults .result-item {
    position: relative !important;
    display: grid !important;
    grid-template-columns: 40px 2fr 1fr auto !important;
    align-items: center !important;
    padding: 2px 8px !important; /* 更小的上下内边距 */
    border-bottom: 1px solid #f5f5f5 !important;
    font-size: 14px !important;
    gap: 8px !important;
    margin-bottom: 0 !important;
    min-height: 30px !important; /* 更小的高度以显示更多条目 */
    flex-shrink: 0 !important;
    max-height: 30px !important; /* 限制最大高度 */
}

/* 调整左侧缩略图大小 */
#previewResults .result-thumbnail {
    width: 26px !important;
    height: 26px !important;
    border-radius: 4px !important;
    overflow: hidden !important;
}

/* 确保#previewResults滚动区域能显示尽可能多的条目 */
#previewResults {
    height: calc(100% - 32px) !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow-y: auto !important;
    flex: 1 !important;
}

/* 使结果区域与预览区域布局一致 */
#imageResults {
    height: calc(100% - 52px); /* 40px标题高度 + 12px上下间距 */
    overflow-y: auto;
    flex: 1;
    padding: 0;
    margin: 0;
}

.progress-bar-container {
    width: 100%;
    height: 4px;
    background-color: #f5f5f7;
    border-radius: 2px;
    margin: 8px 0;
    overflow: hidden;
    display: none;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 12px;
    color: var(--secondary-color);
    text-align: center;
    margin-top: 4px;
    display: none;
}

/* 当压缩进行中时显示进度条 */
.compressing .progress-bar-container,
.compressing .progress-text {
    display: block;
}