@charset "UTF-8";

/* 页面基础布局 */
.home-page {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: transparent;
}

/* 背景动画 */
@keyframes zoomInOut {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.background-animation {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url('/static/images/background.jpg') center/cover no-repeat;
    animation: zoomInOut 20s ease-in-out infinite;
}

/* 图库容器 */
.gallery-container {
    flex: 1;
    width: min(100%, 1400px);
    margin: 0 auto;
    /* 预留固定 header 高度，避免顶部控件（如 refresh 按钮）被遮挡 */
    padding: calc(var(--control-h, 44px) + 20px) 20px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 退化兼容：若没有 --control-h，回退为 44px（见上面 calc 中默认值） */

/* 头部样式 */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.gallery-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    color: #fff;
    margin: 0;
}

/* 刷新按钮 - 动态炫酷风格：渐变移动 / 浮动 / 图标旋转 / 点击涟漪 / 悬停变形 */
.refresh-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.9rem;
    min-height: 40px;
    border: none;
    border-radius: 999px;           /* 初始 pill */
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    will-change: transform, box-shadow;
    background: linear-gradient(90deg, var(--primary) 0%, #0069d9 50%, #00a3ff 100%);
    background-size: 200% 200%;
    box-shadow: 0 8px 24px rgba(2,113,237,0.14), 0 0 0 0 rgba(0,0,0,0);
    transition: transform 220ms cubic-bezier(.2,.9,.2,1), box-shadow 220ms ease, border-radius 220ms ease;
    animation: gradientShift 6s linear infinite;
}

/* 渐变位移动画 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 细微上下浮动，制造悬浮感 */
@keyframes floatY {
    0% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
    100% { transform: translateY(0); }
}

/* 图标旋转效果 */
.refresh-btn i {
    display: inline-block;
    font-size: 16px;
    color: #fff;
    transform-origin: center;
    transition: transform 420ms cubic-bezier(.2,.8,.2,1);
}

/* 悬停：放大、改变形状、增强阴影 与 图标旋转 */
.refresh-btn:hover {
    transform: translateY(-8px) scale(1.03);
    border-radius: 16px; /* 从 pill 变为更方的圆角矩形 */
    box-shadow: 0 18px 48px rgba(2,113,237,0.22), 0 0 36px rgba(0,160,255,0.08);
}
.refresh-btn:hover i {
    transform: rotate(180deg) scale(1.05);
}

/* 按下（激活）反馈：缩放并触发涟漪伪元素 */
.refresh-btn:active {
    transform: translateY(-4px) scale(0.98);
    transition-duration: 120ms;
}
.refresh-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.18);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 420ms ease, opacity 420ms ease;
    box-shadow: 0 0 30px rgba(0,160,255,0.12);
}
.refresh-btn:active::after {
    transform: translate(-50%, -50%) scale(18);
    opacity: 1;
    transition-duration: 420ms;
}

/* 轻量的成功态（可通过 JS 添加 .success） */
.refresh-btn.success {
    box-shadow: 0 20px 40px rgba(34,197,94,0.18), 0 0 30px rgba(34,197,94,0.08);
    animation: none;
}

/* 小型/圆形模式保留（compact） */
.refresh-btn--compact {
    padding: 8px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    justify-content: center;
}
@media (max-width: 768px) {
    .refresh-btn--compact { width: 40px; height: 40px; border-radius: 50%; padding: 8px; }
}

/* 无动画偏好支持：关闭动画以尊重用户设置 */
@media (prefers-reduced-motion: reduce) {
    .refresh-btn, .refresh-btn i, .refresh-btn::after {
        animation: none !important;
        transition: none !important;
    }
}

/* 图标样式（和文字颜色保持一致） */
.refresh-btn i {
    font-size: 16px;
    color: #fff;
    display: inline-block;
    transform: translateZ(0);
    transition: transform 300ms cubic-bezier(.2,.8,.2,1);
}

/* 文本永远可见（桌面） */
.refresh-btn .refresh-text {
    display: inline-block;
    opacity: 1;
    transform: none;
    padding: 0;
    color: rgba(255,255,255,0.95);
    font-size: 14px;
    line-height: 1;
}

/* 悬停/按下反馈 */
.refresh-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(2,113,237,0.18);
}
.refresh-btn:active {
    transform: translateY(-1px) scale(0.995);
    box-shadow: 0 6px 14px rgba(2,113,237,0.12);
    opacity: 0.98;
}
.refresh-btn:hover i {
    transform: rotate(180deg) scale(1.05);
}

/* 可选的小型风格（用于窄屏或需要贴边显示时） */
.refresh-btn--compact {
    padding: 8px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    justify-content: center;
}

/* 响应式：小屏隐藏文字并切换为圆形图标按钮 */
@media (max-width: 768px) {
    .refresh-btn {
        padding: 8px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        gap: 0;
        justify-content: center;
    }
    .refresh-btn .refresh-text { display: none; }
}

/* 如果需要把按钮下移（避免 header 覆盖），可在父容器或按钮上添加 margin-top 调整 */
.gallery-header .refresh-btn { margin-left: 12px; }

/* 圆形图标按钮样式（覆盖/补充 .refresh-btn） */
.refresh-btn--circle {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, var(--primary) 0%, #0069d9 50%, #00a3ff 100%);
    box-shadow: 0 10px 30px rgba(2,113,237,0.14);
    transition: transform 220ms ease, box-shadow 220ms ease, opacity 180ms ease;
    /* 覆盖父级可能设置的 border-radius 变化 */
    will-change: transform;
}

/* 强制圆形按钮在任何交互下保持圆形且不移动 */
.grid-top-actions .refresh-btn--circle,
.grid-top-actions .refresh-btn--circle:hover,
.grid-top-actions .refresh-btn--circle:focus,
.grid-top-actions .refresh-btn--circle:active {
    transform: none !important;
    border-radius: 50% !important;
    transition: box-shadow 200ms ease, opacity 180ms ease;
}

/* 悬停/聚焦时仅抬起，不缩放或改变 border-radius */
.refresh-btn--circle:hover,
.refresh-btn--circle:focus,
.refresh-btn--circle:focus-visible {
    transform: translateY(-4px);
    border-radius: 50% !important;
    box-shadow: 0 14px 34px rgba(2,113,237,0.18);
}

/* 点击按下反馈（短暂）*/
.refresh-btn--circle:active {
    transform: translateY(-2px) scale(0.985);
}

/* 图标只旋转，不影响按钮形状 */
.refresh-btn--circle i {
    transition: transform 360ms cubic-bezier(.2,.8,.2,1);
    display: inline-block;
    transform-origin: center;
}
.refresh-btn--circle:hover i,
.refresh-btn--circle:focus i {
    transform: rotate(180deg) scale(1.03);
}

/* 点击时通过 JS 添加的类触发完整旋转（保留） */
.refresh-btn.rotating i {
    transform: rotate(360deg);
    transition: transform 700ms linear;
}

/* 飘窗文字：默认隐藏并稍微向左偏移，悬停/聚焦按钮时平滑滑入 */
.floating-label {
    display: inline-flex;
    align-items: center;
    margin-left: 12px;
    overflow: hidden;
    width: auto;
    max-width: 180px;
    height: 20px;
    position: relative;
    pointer-events: none;
    color: #fff;
    font-size: 13px;
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 260ms ease, transform 260ms cubic-bezier(.2,.8,.2,1);
    white-space: nowrap;
}

/* 覆盖重复规则：默认隐藏提示文本，禁止循环动画，仅在按钮悬停时从左侧滑入 */
.floating-label {
    opacity: 0 !important;
    pointer-events: none;
    transform: translateX(-12px);
    transition: opacity 260ms ease, transform 260ms cubic-bezier(.2,.8,.2,1);
    white-space: nowrap;
    max-width: 180px;
}

/* 禁止 span 的滚动/循环动画，保持静态文本 */
.floating-label span {
    display: inline-block;
    animation: none !important;
    transform: none !important;
}

/* 仅在相邻圆形按钮悬停或聚焦时显示提示 */
.grid-top-actions .refresh-btn--circle:hover + .floating-label,
.grid-top-actions .refresh-btn--circle:focus + .floating-label {
    opacity: 1 !important;
    transform: translateX(0) !important;
    pointer-events: none;
}

/* 小屏保持隐藏 */
@media (max-width: 768px) {
    .floating-label { display: none !important; }
}

/* 显示：当按钮悬停或聚焦时（相邻选择器），文字滑入并可见 */
.grid-top-actions .refresh-btn--circle:hover + .floating-label,
.grid-top-actions .refresh-btn--circle:focus + .floating-label,
.grid-top-actions:hover .refresh-btn--circle:focus + .floating-label {
    opacity: 1;
    transform: translateX(0);
}

/* 禁止循环滑动动画，保持静态提示（尊重无障碍） */
.floating-label span { 
    display: inline-block;
    transform: none;
    animation: none !important;
}

/* 小屏时隐藏飘窗文字，仅显示圆形按钮 */
@media (max-width: 768px) {
    .floating-label { display: none !important; }
}

/* 飘窗文字（左->右 循环） */
.floating-label {
    display: flex;
    align-items: center;
    margin-left: 12px;
    overflow: hidden;
    width: 160px;
    height: 20px;
    position: relative;
    pointer-events: none;
    color: #fff;
    font-size: 13px;
    opacity: 0.95;
}

/* 文本容器（滑动） */
.floating-label span {
    display: inline-block;
    white-space: nowrap;
    transform: translateX(-100%);
    animation: floatText 5s linear infinite;
}

/* 让文字从左到右移动并循环（无障碍：prefers-reduced-motion）*/
@keyframes floatText {
    0% { transform: translateX(-100%); }
    5% { transform: translateX(-10%); }
    50% { transform: translateX(10%); }
    95% { transform: translateX(110%); }
    100% { transform: translateX(110%); }
}

@media (prefers-reduced-motion: reduce) {
    .floating-label span { animation: none; transform: translateX(0); opacity: 0.95; }
}

/* 小屏时隐藏飘窗文字，仅显示圆形按钮 */
@media (max-width: 768px) {
    .floating-label { display: none; }
}

/* 图片网格 */
.image-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    place-content: center;
    align-items: center;
    padding: 20px 0;
    overflow-y: auto;
}

/* 网格顶部操作区：将 “换一批” 放入 image-grid 内，靠上显示且随网格滚动保持可见 */
.grid-top-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end; /* 右上角显示（可改为 center / left） */
    align-items: center;
    padding: 8px 12px 0 12px;
    gap: 8px;
    position: sticky;
    top: 12px; /* 距离 image-grid 顶部一定距离，避免完全贴合 header */
    z-index: 5;
    pointer-events: auto;
    background: linear-gradient(180deg, rgba(0,0,0,0.03), rgba(0,0,0,0)); /* 轻微渐变以便可读 */
}

/* 小屏幕时按钮靠左并收缩标题文字隐藏 */
@media (max-width: 768px) {
    .grid-top-actions { justify-content: center; top: 8px; padding-top: 4px; }
    .grid-top-actions .refresh-btn { width: 40px; height: 40px; padding: 8px; border-radius: 50%; }
    .grid-top-actions .refresh-text { display: none; }
}

/* 空状态 */
.no-images {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    background: var(--empty-state-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
}

.empty-state i {
    font-size: 48px;
    color: #666;
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    color: var(--empty-text);
    margin: 0 0 10px;
}

.empty-state p {
    color: var(--empty-subtext);
    margin: 0;
}

/* 图片卡片 */
.image-card {
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    background: var(--card-bg);
    backdrop-filter: blur(5px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.image-card:hover {
    transform: translateY(-10px);
}

.image-card:hover img {
    transform: scale(1.1);
}

/* 图片查看器 */
.modal-viewer {
    position: fixed;
    inset: 0;
    background: var(--modal-bg);
    backdrop-filter: blur(10px);
    z-index: 99999;
    display: none;
}

.modal-viewer.show {
    display: block;
}

/* 查看器内容 */
.viewer-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viewer-content img {
    max-width: calc(100% - 120px);
    max-height: calc(100vh - 120px);
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    cursor: default;
}

/* 查看器按钮 */
.close-viewer,
.copy-url,
.viewer-nav-btn {
    position: fixed;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 100000;
}

.close-viewer {
    top: 30px;
    right: 30px;
    font-size: 24px;
}

.copy-url {
    bottom: 30px;
    right: 30px;
    font-size: 18px;
}

.viewer-nav-btn {
    top: 50%;
    transform: translateY(-50%);
}

.viewer-nav-btn.prev { left: 30px; }
.viewer-nav-btn.next { right: 30px; }

/* 按钮悬浮效果 */
.close-viewer:hover {
    background: var(--button-hover);
    transform: rotate(90deg);
}

.copy-url:hover {
    background: var(--button-hover);
    transform: scale(1.1);
}

.viewer-nav-btn:hover {
    background: var(--button-hover);
    transform: translateY(-50%) scale(1.1);
}

/* 按钮图标 */
.viewer-nav-btn i,
.copy-url i {
    font-size: 20px;
    line-height: 1;
}

/* 滚动条美化 */
.image-grid::-webkit-scrollbar {
    width: 6px;
    background: transparent;
}

.image-grid::-webkit-scrollbar-thumb {
    background: var(--copy-header-bg);
    border-radius: 3px;
}

.image-grid::-webkit-scrollbar-thumb:hover {
    background: var(--button-hover);
}

/* 复制对话框样式 */
.copy-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 10px;
}

.copy-option {
    background: var(--copy-option-bg);
    border-radius: 8px;
    overflow: hidden;
}

.copy-option-header {
    padding: 8px 12px;
    background: var(--copy-header-bg);
    font-size: 14px;
    color: var(--empty-subtext);
}

.copy-option-content {
    display: flex;
    align-items: center;
    padding: 10px;
    gap: 10px;
}

.copy-option-content input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--copy-input-border);
    border-radius: 4px;
    background: var(--copy-input-bg);
    color: var(--copy-text);
    font-size: 13px;
    outline: none;
}

.copy-option-content .copy-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    background: var(--copy-header-bg);
    color: var(--copy-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.copy-option-content .copy-btn:hover {
    background: var(--button-hover);
    transform: scale(1.05);
}

.copy-option-content .copy-btn i {
    font-size: 16px;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .image-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-container {
        padding: 10px;
    }
    
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .viewer-content {
        padding: 40px;
    }
}

@media (max-width: 480px) {
    .image-grid {
        grid-template-columns: 1fr;
    }
    
    .close-viewer,
    .copy-url {
        width: 36px;
        height: 36px;
    }
}

/* 暗色模式变量 */
:root {
  /* 亮色默认值 */
  --modal-bg: rgba(0, 0, 0, 0.95);
  --empty-state-bg: rgba(255, 255, 255, 0.1);
  --empty-text: #333;
  --empty-subtext: #666;
  --card-bg: rgba(255, 255, 255, 0.1);
  --button-hover: rgba(255, 255, 255, 0.2);
  --copy-option-bg: rgba(255, 255, 255, 0.05);
  --copy-header-bg: rgba(255, 255, 255, 0.1);
  --copy-input-bg: rgba(0, 0, 0, 0.2);
  --copy-input-border: rgba(255, 255, 255, 0.1);
  --copy-text: #fff;
}

/* 暗色模式覆盖 */
html[data-theme="dark"] {
  --modal-bg: rgba(0, 0, 0, 0.98);
  --empty-state-bg: rgba(0, 0, 0, 0.2);
  --empty-text: #e6eef8;
  --empty-subtext: #9aa0a6;
  --card-bg: rgba(0, 0, 0, 0.2);
  --button-hover: rgba(255, 255, 255, 0.1);
  --copy-option-bg: rgba(0, 0, 0, 0.2);
  --copy-header-bg: rgba(0, 0, 0, 0.3);
  --copy-input-bg: rgba(0, 0, 0, 0.4);
  --copy-input-border: rgba(255, 255, 255, 0.05);
  --copy-text: #e6eef8;
}

/* 渐变按钮暗色适配 */
html[data-theme="dark"] .refresh-btn {
  background: linear-gradient(90deg, #1a4b8c 0%, #0d2b4e 50%, #1a4b8c 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

html[data-theme="dark"] .refresh-btn:hover {
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
}

/* 暗色模式覆盖 */
html[data-theme="dark"] {
    /* 背景和卡片 */
    .home-page {
        background: var(--light);
    }

    .background-animation {
        opacity: 0.5;
        filter: brightness(0.3);
    }

    .image-card {
        background: var(--surface);
        box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    }

    /* 图片预览 */
    .modal-viewer {
        background: rgba(0,0,0,0.95);
    }

    /* 按钮和控件 */
    .refresh-btn {
        background: linear-gradient(90deg, #1a4b8c 0%, #0d2b4e 50%, #1a4b8c 100%);
        box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    }

    .refresh-btn:hover {
        box-shadow: 0 12px 28px rgba(0,0,0,0.4);
    }

    .viewer-nav-btn,
    .copy-url,
    .close-viewer {
        background: rgba(255,255,255,0.1);
        color: rgba(255,255,255,0.8);
    }

    .viewer-nav-btn:hover,
    .copy-url:hover,
    .close-viewer:hover {
        background: rgba(255,255,255,0.15);
        color: #fff;
    }

    /* 复制对话框 */
    .copy-options {
        background: var(--surface);
    }

    .copy-option {
        background: rgba(255,255,255,0.05);
        border: 1px solid var(--border-color);
    }

    .copy-option-header {
        color: var(--gray);
        background: rgba(255,255,255,0.03);
    }

    .copy-option-content input {
        background: rgba(0,0,0,0.2);
        border-color: var(--border-color);
        color: var(--dark);
    }

    .copy-option-content .copy-btn {
        background: var(--primary);
        color: #fff;
    }

    .copy-option-content .copy-btn:hover {
        background: var(--primary-dark);
    }
}

/* 暗色模式 - 上传区域 */
html[data-theme="dark"] {
  /* 上传框变量 */
  --upload-box-bg: rgba(15, 17, 22, 0.95); 
  --upload-box-border: rgba(255, 255, 255, 0.04);
  --upload-text: #e6eef8;
  --upload-hint: #9aa0a6;
  --upload-icon: var(--primary);
  --upload-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);

  /* 拖拽区域 */
  --dropzone-bg: rgba(255, 255, 255, 0.02);
  --dropzone-border: rgba(255, 255, 255, 0.06);
  --dropzone-hover-bg: rgba(255, 255, 255, 0.04);
}

/* 上传框暗色样式 */
html[data-theme="dark"] .upload-box {
  background: var(--upload-box-bg);
  border: 1px solid var(--upload-box-border);
  box-shadow: var(--upload-shadow);
}

/* 头部和图标 */
html[data-theme="dark"] .upload-header i {
  color: var(--upload-icon);
}

/* 提示信息 */
html[data-theme="dark"] .upload-info .hint {
  background: var(--dropzone-bg);
  border-color: var(--dropzone-border);
  color: var(--upload-hint);
}

html[data-theme="dark"] .upload-info .hint i {
  color: var(--upload-icon);
}

html[data-theme="dark"] .upload-info .hint span span {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--dropzone-border);
  color: var(--upload-text);
}

/* 拖拽区域 */
html[data-theme="dark"] .drop-zone {
  background: var(--dropzone-bg);
  border-color: var(--dropzone-border);
}

html[data-theme="dark"] .drop-zone.dragover {
  background: var(--dropzone-hover-bg);
  border-color: var(--primary);
}

/* 上传提示文本 */
html[data-theme="dark"] .upload-tips .text {
  color: var(--upload-text);
}

html[data-theme="dark"] .upload-tips .hint {
  color: var(--upload-hint);
}

/* 文件输入框 */
html[data-theme="dark"] .file-input-wrapper i {
  color: var(--upload-hint);
}

html[data-theme="dark"] .file-input-wrapper:hover i {
  color: var(--upload-icon);
}

/* 进度条区域 */
html[data-theme="dark"] .progress-item {
  background: var(--dropzone-bg);
  border: 1px solid var(--upload-box-border);
}

html[data-theme="dark"] .progress-bar {
  background: rgba(255, 255, 255, 0.1);
}

html[data-theme="dark"] .filename {
  color: var(--upload-text);
}

html[data-theme="dark"] .progress-text {
  color: var(--upload-text);
}

/* 悬停状态 */
html[data-theme="dark"] .file-input-wrapper:hover {
  background: var(--dropzone-hover-bg);
}

/* 移动端适配 */
@media (max-width: 768px) {
  html[data-theme="dark"] .upload-box {
    border: none;
  }

  html[data-theme="dark"] .upload-info .hint {
    background: rgba(255, 255, 255, 0.03);
  }
}

/* 暗色模式适配 - 上传区域 */
html[data-theme="dark"] {
  /* 上传框变量 */
  --upload-box-bg: var(--surface);
  --upload-box-border: var(--border-color);
  --upload-text: var(--dark);
  --upload-hint: var(--gray);
  --upload-icon: var(--primary);
  
  /* 拖拽区域 */
  --dropzone-bg: rgba(255,255,255,0.02);
  --dropzone-border: var(--border-color);
  --dropzone-hover-bg: rgba(255,255,255,0.05);
  
  /* 进度条 */
  --progress-bg: rgba(255,255,255,0.05);
  --progress-item-bg: rgba(255,255,255,0.02);
  --progress-text: var(--dark);
}

/* 上传框暗色样式 */
html[data-theme="dark"] .upload-box {
  background: var(--upload-box-bg);
  border: 1px solid var(--upload-box-border);
  box-shadow: none;
}

html[data-theme="dark"] .upload-header i {
  color: var(--upload-icon);
}

html[data-theme="dark"] .upload-tips .text {
  color: var(--upload-text);
}

html[data-theme="dark"] .upload-tips .hint {
  color: var(--upload-hint);
}

/* 上传提示区域 */
html[data-theme="dark"] .upload-info .hint {
  background: var(--dropzone-bg);
  border-color: var(--dropzone-border);
}

html[data-theme="dark"] .upload-info .hint i {
  color: var(--upload-icon);
}

html[data-theme="dark"] .upload-info .hint span span {
  background: rgba(255,255,255,0.03);
  border-color: var(--dropzone-border);
  color: var(--upload-icon);
}

/* 拖拽区域 */
html[data-theme="dark"] .drop-zone {
  background: var(--dropzone-bg);
  border-color: var(--dropzone-border);
}

html[data-theme="dark"] .drop-zone.dragover {
  background: var(--dropzone-hover-bg);
  border-color: var(--primary);
}

/* 文件输入框 */
html[data-theme="dark"] .file-input-wrapper i {
  color: var(--upload-hint);
}

html[data-theme="dark"] .file-input-wrapper:hover i {
  color: var(--upload-icon);
}

/* 进度条区域 */
html[data-theme="dark"] .progress-item {
  background: var(--progress-item-bg);
  border: 1px solid var(--upload-box-border);
}

html[data-theme="dark"] .progress-bar {
  background: var(--progress-bg);
}

html[data-theme="dark"] .filename {
  color: var(--progress-text);
}

html[data-theme="dark"] .progress-text {
  color: var(--progress-text);
}

/* 移动端适配保持不变 */
@media (max-width: 768px) {
  html[data-theme="dark"] .upload-box {
    border: none;
  }
}