:root {
    --pink-light: #fff0f5;
    --pink-primary: #ff85a1;
    --pink-dark: #ff6b8a;
    --blue-light: #e3f2fd;
    --blue-primary: #64b5f6;
    --blue-dark: #42a5f5;
    --purple-light: #f3e5f5;
    --purple-primary: #ce93d8;
    --bg-gradient: linear-gradient(135deg, #fff0f5 0%, #e3f2fd 50%, #f3e5f5 100%);
    --text-main: #424242;
    --text-secondary: #757575;
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-medium: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-cursive: 'Ma Shan Zheng', cursive;
    --font-cute: 'ZCOOL KuaiLe', cursive;
    --font-main: 'Noto Sans SC', sans-serif;
}
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent; 
}
body {
    font-family: var(--font-main);
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 100px;
    overflow-x: hidden;
}
/* 【新增】弹幕容器 */
.danmu-container {
    position: fixed;
    top: 100px;
    left: 0;
    width: 100%;
    height: calc(100vh - 200px);
    pointer-events: none;
    z-index: 990;
    overflow: hidden;
}
.danmu-item {
    position: absolute;
    right: -100%;
    white-space: nowrap;
    padding: 8px 16px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    font-family: var(--font-cute);
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: danmuMove 8s linear forwards;
    display: flex;
    align-items: center;
    gap: 8px;
}
.danmu-item .name {
    font-weight: bold;
}
@keyframes danmuMove {
    0% { right: -100%; }
    100% { right: 100%; }
}
/* 进度条 */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.5);
    z-index: 10000;
    display: none;
}
#progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--pink-primary), var(--blue-primary));
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--pink-primary);
}
/* 通知栏 */
.notice-bar {
    width: 100%;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    overflow: hidden;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255,133,161,0.2);
}
.notice-text {
    white-space: nowrap;
    animation: scroll 25s linear infinite;
    font-family: var(--font-cute);
    font-size: 14px;
    background: linear-gradient(90deg, var(--pink-primary), var(--blue-primary), var(--purple-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 500;
}
@keyframes scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}
/* 标题 */
.main-title {
    text-align: center;
    margin: 25px 0 20px;
    font-family: var(--font-cursive);
    font-size: 42px;
    background: linear-gradient(90deg, var(--pink-dark), var(--blue-dark), var(--purple-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(255,107,138,0.2);
    letter-spacing: 2px;
}
/* 标签切换 */
.area-tabs {
    display: flex;
    gap: 10px;
    margin: 0 20px 25px;
    justify-content: center;
    flex-wrap: wrap;
}
.tab-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    border-radius: 25px;
    border: none;
    background: #fff;
    font-family: var(--font-cute);
    font-size: 15px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    cursor: pointer;
    color: var(--text-secondary);
}
.tab-btn .material-icons {
    font-size: 20px;
}
.tab-btn.active {
    background: linear-gradient(135deg, var(--pink-primary), var(--blue-primary));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,133,161,0.4);
}
/* 弹幕按钮特殊样式 */
.danmu-btn {
    background: linear-gradient(135deg, var(--purple-primary), var(--pink-primary));
    color: #fff;
}
/* 视图容器 */
.view-container {
    display: none;
    padding: 0 20px;
    animation: fadeIn 0.4s ease;
}
.view-container.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}
/* 文件夹网格 */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    padding-bottom: 100px;
}
/* 文件夹卡片 */
.folder-card {
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    transform-style: preserve-3d;
}
.folder-card:hover {
    transform: translateY(-5px) rotateX(5deg);
}
.folder-card:active {
    transform: scale(0.95);
}
.folder-icon {
    width: 100%;
    aspect-ratio: 1/0.8;
    position: relative;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}
.folder-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    width: 40%;
    height: 15%;
    background: linear-gradient(135deg, var(--pink-primary), var(--pink-dark));
    border-radius: 8px 20px 0 0;
    z-index: 1;
}
.folder-body {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 85%;
    background: linear-gradient(135deg, #fff 0%, var(--pink-light) 100%);
    border-radius: 0 12px 12px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,133,161,0.3);
    overflow: hidden;
}
.folder-body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.4) 100%);
    pointer-events: none;
}
.folder-cover {
    width: 70%;
    height: 60%;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: none;
}
.folder-cover.show {
    display: block;
}
.folder-default-icon {
    font-size: 48px;
    margin-bottom: 5px;
    opacity: 0.8;
}
.photo-count {
    position: absolute;
    top: 5px;
    right: 5px;
    background: linear-gradient(135deg, var(--pink-primary), var(--pink-dark));
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(255,107,138,0.4);
    z-index: 10;
}
.folder-info {
    margin-top: 10px;
    text-align: center;
}
.folder-name {
    font-family: var(--font-cute);
    font-size: 15px;
    color: var(--text-main);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    padding: 0 5px;
}
.folder-date {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 3px;
}
/* 返回栏 */
.back-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 10px 0;
}
.back-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    background: rgba(255,255,255,0.8);
    font-family: var(--font-cute);
    font-size: 14px;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}
.back-btn:hover {
    background: #fff;
    transform: translateX(-3px);
}
.current-album-name {
    font-family: var(--font-cursive);
    font-size: 24px;
    color: var(--pink-dark);
    flex: 1;
    text-align: center;
    margin-right: 80px;
}
/* 照片网格 */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 15px;
    padding-bottom: 100px;
}
/* 照片卡片 */
.photo-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
}
.photo-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}
.photo-img-wrapper {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--pink-light), var(--blue-light));
}
.photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.photo-card:hover .photo-img {
    transform: scale(1.05);
}
.photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 10px;
}
.photo-card:hover .photo-overlay {
    opacity: 1;
}
.photo-meta {
    color: #fff;
    font-size: 12px;
}
.photo-meta .name {
    font-weight: bold;
    margin-bottom: 3px;
}
.photo-info {
    padding: 10px;
}
.photo-name-input, .photo-comment-input {
    width: 100%;
    border: none;
    background: transparent;
    font-family: var(--font-cute);
    font-size: 13px;
    padding: 5px;
    border-radius: 6px;
    transition: var(--transition);
}
.photo-name-input {
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 5px;
}
.photo-comment-input {
    color: var(--text-secondary);
    font-size: 12px;
}
.photo-name-input:focus, .photo-comment-input:focus {
    background: rgba(255,133,161,0.1);
    outline: none;
}
/* 添加照片卡片 */
.add-photo-card {
    aspect-ratio: 1/0.6;
    border: 2px dashed rgba(255,133,161,0.4);
    border-radius: 16px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255,255,255,0.5);
    grid-column: 1 / -1;
    max-width: 300px;
    margin: 0 auto;
}
.add-photo-card:hover {
    border-color: var(--pink-primary);
    background: rgba(255,133,161,0.05);
    transform: scale(1.02);
}
.add-photo-card .material-icons {
    font-size: 28px;
    color: var(--pink-primary);
}
.add-photo-card span:last-child {
    font-family: var(--font-cute);
    color: var(--pink-primary);
    font-size: 14px;
}
/* 浮动按钮 */
.fab-create-album, .fab-add-photo {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--pink-primary), var(--blue-primary));
    color: #fff;
    box-shadow: 0 6px 20px rgba(255,133,161,0.5);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 998;
}
.fab-create-album:hover, .fab-add-photo:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 8px 25px rgba(255,133,161,0.6);
}
.fab-create-album .material-icons, .fab-add-photo .material-icons {
    font-size: 28px;
}
.fab-add-photo {
    display: none;
}
.fab-add-photo.visible {
    display: flex;
}
/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal.show {
    display: flex;
    opacity: 1;
}
.modal-content {
    background: #fff;
    border-radius: 24px;
    padding: 30px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    animation: modalPop 0.3s ease forwards;
}
@keyframes modalPop {
    to { transform: scale(1); }
}
.modal-content h3 {
    font-family: var(--font-cursive);
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
    color: var(--pink-dark);
}
.modal-content input[type="text"] {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    font-family: var(--font-main);
    margin-bottom: 15px;
    transition: var(--transition);
}
.modal-content input[type="text"]:focus {
    border-color: var(--pink-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,133,161,0.1);
}
.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}
.btn-primary, .btn-secondary, .btn-danger {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-family: var(--font-cute);
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--pink-primary), var(--blue-primary));
    color: #fff;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,133,161,0.4);
}
.btn-secondary {
    background: #f5f5f5;
    color: var(--text-secondary);
}
.btn-secondary:hover {
    background: #e0e0e0;
}
.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: #fff;
    margin-right: auto;
}
.btn-danger:hover {
    box-shadow: 0 4px 15px rgba(255,107,107,0.4);
}
/* 照片上传模态框 */
.photo-modal-content {
    max-width: 450px;
}
.photo-preview-area {
    width: 100%;
    aspect-ratio: 1/1;
    background: linear-gradient(135deg, var(--pink-light), var(--blue-light));
    border-radius: 16px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.photo-preview-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    z-index: 2;
}
.photo-preview-area img.show {
    display: block;
}
/* 上传动画+进度条 */
.upload-loading {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.95);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    z-index: 10;
    font-family: var(--font-cute);
    color: var(--pink-primary);
}
.upload-loading.show {
    display: flex;
}
.sakura-spin {
    font-size: 48px;
    animation: spin 1.5s linear infinite;
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
/* 实时上传进度条 */
.upload-progress-bar {
    width: 80%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 10px;
}
.upload-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--pink-primary), var(--blue-primary));
    border-radius: 10px;
    transition: width 0.1s linear;
}
.upload-progress-text {
    font-size: 12px;
    font-weight: bold;
}
.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.upload-placeholder:hover {
    color: var(--pink-primary);
    transform: scale(1.05);
}
.upload-placeholder .material-icons {
    font-size: 48px;
}
.photo-preview-area input[type="file"] {
    display: none;
}
.photo-info-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}
/* 图片查看器 */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(20px);
    display: none;
    flex-direction: column;
    z-index: 10001;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.image-viewer.show {
    display: flex;
    opacity: 1;
}
.viewer-header {
    display: flex;
    align-items: center;
    padding: 20px;
    color: #fff;
}
.viewer-close {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.viewer-close:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}
.viewer-info {
    flex: 1;
    text-align: center;
    font-family: var(--font-cute);
    font-size: 16px;
}
.viewer-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: hidden;
}
.viewer-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.viewer-actions {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 30px;
}
.viewer-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    font-size: 12px;
    opacity: 0.8;
}
.viewer-btn:hover {
    opacity: 1;
    transform: translateY(-3px);
}
.viewer-btn .material-icons {
    font-size: 28px;
}
/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}
.empty-state .material-icons {
    font-size: 64px;
    margin-bottom: 15px;
    opacity: 0.3;
}
.empty-state p {
    font-family: var(--font-cute);
    font-size: 16px;
}
/* 响应式优化 */
@media (max-width: 480px) {
    .folder-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .main-title {
        font-size: 32px;
    }
    .fab-create-album, .fab-add-photo {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    .add-photo-card {
        max-width: 100%;
    }
    .area-tabs {
        gap: 8px;
    }
    .tab-btn {
        padding: 10px 15px;
        font-size: 13px;
    }
}
/* 加载动画 */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 12px;
}
@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
/* 抖动动画 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}
.shake {
    animation: shake 0.3s ease;
}
/* 在 qqq.css 中添加以下样式 */

/* 拖拽上传样式 */
.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    height: 100%;
    justify-content: center;
}

.upload-placeholder:hover {
    color: var(--pink-primary);
    transform: scale(1.05);
}

.upload-placeholder.drag-over {
    background: rgba(255, 133, 161, 0.2);
    border: 3px dashed var(--pink-primary);
    border-radius: 16px;
    transform: scale(1.02);
}

.upload-placeholder.drag-over .material-icons {
    animation: bounce 0.5s ease infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-10px); }
}

/* 照片预览区域 */
.photo-preview-area {
    width: 100%;
    aspect-ratio: 1/1;
    background: linear-gradient(135deg, var(--pink-light), var(--blue-light));
    border-radius: 16px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-preview-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    z-index: 2;
}

.photo-preview-area img.show {
    display: block;
}

/* 拖拽时的全局样式 */
body.dragging {
    user-select: none;
}