/* Animations */
@keyframes slideInFromTop {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeInScale {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes slideInFromBottom {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInFromRight {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

/* Sign In & Sign Up Screens */
#signin {
    padding: 10% 20px 20px;
    min-height: 100vh;
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

#signin .header {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 30px;
}

#signin .back {
    position: absolute;
    left: 20px;
    background: none;
    border: none;
    color: #4CAF50;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

#signin .back:hover {
    background-color: rgba(76, 175, 80, 0.1);
}

#signin h2 {
    color: #2E7D32;
    font-size: 2rem;
    margin: 0;
    text-align: center;
    animation: slideInFromTop 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.2s;
}

#signin img[alt="Recycle Animation"] {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    display: block;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    animation: fadeInScale 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
}

#signin .input-group {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
    box-sizing: border-box;
    opacity: 0;
    animation: slideInFromRight 0.8s ease-out forwards;
}

#signin .input-group:nth-child(1) {
    animation-delay: 0.6s;
}

#signin .input-group:nth-child(2) {
    animation-delay: 0.7s;
}

#signin .input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

#signin input[type="text"],
#signin input[type="password"] {
    width: 100%;
    padding: 15px 15px 15px 50px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
    box-sizing: border-box;
}

#signin input[type="text"]:focus,
#signin input[type="password"]:focus {
    border-color: #4CAF50;
    background-color: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

#signin .btn.primary {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    opacity: 0;
    animation: slideInFromBottom 0.8s ease-out forwards;
    animation-delay: 0.9s;
    font-size: 16px;
    font-weight: 600;
    margin: 20px auto 0;
    cursor: pointer;
    transition: all 0.3s ease;
    width: calc(100% - 40px);
    display: block;
    box-sizing: border-box;
}

#signin .btn.primary:hover {
    background: #3d8b40;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

#signin .forgot {
    display: block;
    color: #4CAF50;
    text-decoration: none;
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
    transition: color 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
    animation-delay: 1s;
}

#signin .forgot:hover {
    color: #2E7D32;
    text-decoration: underline;
}

#signup {
    padding: 10% 20px 20px;
    min-height: 100vh;
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

#signup .header {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 30px;
}

#signup .back {
    position: absolute;
    left: 20px;
    background: none;
    border: none;
    color: #4CAF50;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

#signup .back:hover {
    background-color: rgba(76, 175, 80, 0.1);
}

#signup h2 {
    color: #2E7D32;
    font-size: 2rem;
    margin: 0;
    text-align: center;
    animation: slideInFromTop 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.2s;
}

#signup img[alt="Recycle Animation"] {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    display: block;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    animation: fadeInScale 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
}

#signup .input-group {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
    box-sizing: border-box;
    opacity: 0;
    animation: slideInFromRight 0.8s ease-out forwards;

}

#signup .input-group:nth-child(1) {
    animation-delay: 0.6s;
}

#signup .input-group:nth-child(2) {
    animation-delay: 0.7s;
}

#signup .input-group:nth-child(3) {
    animation-delay: 0.8s;
}

#signup .input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

#signup input[type="email"],
#signup input[type="password"],
#signup input[type="text"] {
    width: 100%;
    padding: 15px 15px 15px 50px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
    box-sizing: border-box;
}

#signup input[type="email"]:focus,
#signup input[type="password"]:focus,
#signup input[type="text"]:focus {
    border-color: #4CAF50;
    background-color: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

#signup .btn.primary {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    margin: 20px auto 0;
    cursor: pointer;
    transition: all 0.3s ease;
    width: calc(100% - 40px);
    display: block;
    box-sizing: border-box;
    opacity: 0;
    animation: slideInFromBottom 0.8s ease-out forwards;
    animation-delay: 1s;
}

#signup .btn.primary:hover {
    background: #3d8b40;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

#signup .forgot {
    display: block;
    color: #4CAF50;
    text-decoration: none;
    margin: 15px auto 0;
    font-size: 14px;
    text-align: center;
    transition: color 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
    animation-delay: 1.1s;
    max-width: 80%;
}

#signup .forgot a {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 600;
}

#signup .forgot a:hover {
    text-decoration: underline;
}

/* Welcome screen animations */
#welcome {
    padding-top: 15%;
    min-height: 100vh;
    position: relative;
    box-sizing: border-box;
}

#welcome h1 {
    animation: slideInFromTop 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.2s;
    font-family: 'Arial Black', 'Arial Bold', sans-serif;
    font-size: 3rem;
    color: #2E7D32;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
    letter-spacing: 2px;
}

#welcome p {
    animation: slideInFromTop 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
    margin-bottom: 30px;
}

#welcome .logo {
    animation: fadeInScale 1s ease-out forwards;
    opacity: 0;
    animation-delay: 0.6s;
    margin: 30px 0 50px;
}

#welcome .logo img {
    width: 300px;  /* Increased logo size */
    border-radius: 30px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

#welcome .btn {
    animation: slideInFromBottom 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

#welcome .btn.primary {
    animation-delay: 0.8s;
}

#welcome .btn.secondary {
    animation-delay: 1s;
}

#welcome .help {
    animation: slideInFromBottom 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 1.2s;
    margin: 20px 0 10px;
    display: inline-block;
}

#welcome .trademark {
    animation: slideInFromBottom 0.8s ease-out forwards;
    opacity: 0;
    animation-delay: 1.4s;
    color: #999;
    font-size: 1.1rem;
    margin: 0;
   
    letter-spacing: 3px;
    position: fixed;
    bottom: 40px;
    right: 40px;
    text-align: right;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);

    position: absolute;
    right: 20px;
    bottom: 20px;
}

body { 
    font-family: Arial, sans-serif; 
    background: linear-gradient(to top, #4CAF50, white);
    background-attachment: fixed;
    margin: 0; 
    padding: 0; 
    min-height: 100vh;
}
.app-container { 
    max-width: 475px; 
    margin: 0 auto; 
    background: rgba(255, 255, 255, 0.9); 
    min-height: 100vh; 
    position: relative; 
    overflow: hidden; 
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
.screen { display: none; padding: 20px; text-align: center; }
.screen.active { display: block; }
h1, h2 { color: #333; }
.btn { padding: 15px; border-radius: 10px; border: none; cursor: pointer; width: 100%; margin: 10px 0; font-size: 16px; display: flex; align-items: center; justify-content: center; }
.primary { background: #4CAF50; color: white; }
.secondary { background: #fff; color: #4CAF50; border: 1px solid #4CAF50; }
.logo img { width: 150px; border-radius: 20px; }
.help, .forgot { color: #999; font-size: 14px; }
.header { display: flex; align-items: center; justify-content: flex-start; }
.back { background: none; border: none; color: #4CAF50; cursor: pointer; font-size: 16px; }
.input-group { position: relative; margin: 10px 0; }
.input-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 20px; }
input { width: 100%; padding: 15px 15px 15px 40px; border: 1px solid #ddd; border-radius: 10px; background: #f0f8ff; }
.status-bar { text-align: right; font-size: 12px; color: #999; }
.customize, .stats { display: flex; justify-content: space-around; margin: 20px 0; }
.item { text-align: center; background: #e8f5e9; border-radius: 10px; padding: 10px; width: 100px; }
.item img { width: 50px; display: block; margin: 0 auto; }
.elf-image img { width: 150px; margin: 20px 0; }
.bottom-nav { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-around; background: #fff; border-top: 1px solid #ddd; padding: 10px 0; }
.bottom-nav button { background: none; border: none; cursor: pointer; color: #999; font-size: 12px; text-align: center; }
.bottom-nav button img { width: 20px; display: block; margin: 0 auto 5px; }
.scanner { text-align: center; }
#bin-code { width: 80%; margin-bottom: 10px; }
#scan-message, #record-message { color: #4CAF50; }
.btn-icon { width: 20px; margin-right: 10px; }
.friend-item { display: flex; align-items: center; margin: 10px 0; background: #f9f9f9; padding: 10px; border-radius: 10px; }
.friend-item span { color: #999; margin-left: auto; margin-right: 10px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; margin-right: 10px; }
.profile img { width: 100px; border-radius: 50%; margin-bottom: 10px; }
.edit { background: #4CAF50; color: white; border: none; padding: 8px 15px; border-radius: 20px; font-size: 14px; }
.menu { list-style: none; padding: 0; text-align: left; }
.menu li { padding: 15px; border-bottom: 1px solid #ddd; display: flex; align-items: center; color: #333; }
.menu-icon { width: 20px; height: 20px; margin-right: 10px; }
#mapid { height: 400px; width: 100%; border-radius: 10px; }
.map-view { position: relative; }
.controls { position: absolute; top: 10px; right: 10px; background: rgba(255, 255, 255, 0.8); padding: 5px; border-radius: 5px; }
.small-icon { width: 20px; margin-right: 5px; }
.location-icon { position: absolute; bottom: 10px; right: 10px; width: 30px; }
#record-trash select, #trash-quantity { width: 100%; padding: 15px; margin: 10px 0; border: 1px solid #ddd; border-radius: 10px; }
.exp-button { background: transparent; border: none; color: #333; font-size: 16px; cursor: pointer; text-align: center; padding: 10px; width: 100%; }
#friend-elf { text-align: center; }
.tree-container { display: flex; justify-content: space-around; align-items: flex-end; margin: 20px 0; }
.tree { text-align: center; width: 60px; position: relative; }
.total-tree { width: 80px; }
.tree-trunk { background: #8B4513; width: 20px; height: 100px; margin: 0 auto; border-radius: 5px 5px 0 0; transform-origin: bottom; }
.tree-leaves { background: #228B22; width: 40px; height: 40px; border-radius: 50%; position: absolute; top: -20px; left: 50%; transform: translateX(-50%); }
.tree p { font-size: 12px; margin-top: 5px; }
.exp-button { 
    background: transparent; 
    border: none; 
    color: #333; 
    font-size: 16px; 
    cursor: pointer; 
    text-align: center; 
    padding: 10px; 
    width: 100%; 
}
.map-images {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
    padding: 10px;
    background: #e8f5e9; /* 浅绿色背景，与主题匹配 */
    border-radius: 10px;
}
.map-extra-image {
    width: 45%; /* 每张图片占45%宽度，便于并排 */
    height: auto;
    border-radius: 10px;
    border: 1px solid #4CAF50; /* 绿色边框 */
}
.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 半透明背景 */
    justify-content: center;
    align-items: center;
}
.modal-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.modal.active {
    display: flex;
}
img[src$=".gif"] {
    display: block;
    margin: 0 auto;
    background: transparent; /* 如果GIF有透明背景 */
}
.modal.active img {
    display: block !important;
}
/* 美化树容器：添加背景、阴影、网格布局 */
.tree-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); /* 响应式网格 */
    gap: 10px;
    justify-items: center;
    margin: 20px 0;
    padding: 15px;
    background: #e8f5e9; /* 浅绿色背景 */
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 轻微阴影 */
}

/* 美化树整体 */
.tree {
    text-align: center;
    width: 80px; /* 稍宽以容纳多层叶子 */
    position: relative;
}

.total-tree {
    width: 100px; /* 总树稍大 */
}

/* 树干：渐变颜色、圆角、动画过渡 */
.tree-trunk {
    background: linear-gradient(to bottom, #8B4513, #A0522D); /* 棕色渐变，更真实 */
    width: 20px;
    height: 0; /* 初始0，JS设置后动画增长 */
    margin: 0 auto;
    border-radius: 10px 10px 0 0;
    transform-origin: bottom;
    transition: height 1s ease-in-out; /* 平滑生长动画 */
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2); /* 阴影 */
}

/* 叶子：多层、椭圆形、动画摇动 */
.tree-leaves {
    background: radial-gradient(circle, #228B22, #32CD32); /* 绿色渐变 */
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    animation: sway 2s ease-in-out infinite alternate; /* 轻微摇动动画 */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.leaf-top {
    width: 40px;
    height: 40px;
    top: -20px;
}

.leaf-middle {
    width: 50px;
    height: 50px;
    top: -10px;
    left: 40%; /* 稍偏移，使树不对称更自然 */
}

.leaf-bottom {
    width: 60px;
    height: 60px;
    top: 0;
    left: 60%; /* 偏移 */
}

/* 叶子摇动动画 keyframes */
@keyframes sway {
    0% {
        transform: translateX(-50%) rotate(0deg);
    }
    100% {
        transform: translateX(-50%) rotate(5deg); /* 轻微旋转 */
    }
}

/* 美化文本 */
.tree p {
    font-size: 12px;
    margin-top: 5px;
    color: #333;
    font-weight: bold;
}
/* 树容器：响应式网格，美化背景 */
.tree-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    justify-items: center;
    margin: 20px 0;
    padding: 20px;
    background: #e8f5e9; /* 浅绿色背景 */
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 多树容器：横向排列，可换行 */
.tree-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px; /* 树间距 */
    margin-bottom: 10px;
}

/* 单个树图片：固定大小，动画淡入 */
.tree-image {
    width: 60px; /* 调整为你的图片大小，多树时稍小 */
    height: auto;
    opacity: 0;
    transition: opacity 1s ease-in-out; /* 淡入动画 */
}

.tree-image.loaded {
    opacity: 1;
}

/* 总树图片稍大 */
.total-tree .tree-image {
    width: 80px;
}

/* 文本美化 */
.tree p {
    font-size: 12px;
    color: #333;
    font-weight: bold;
    text-align: center;
}
/* 树容器：响应式网格，美化背景 */
.tree-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    justify-items: center;
    margin: 20px 0;
    padding: 20px;
    background: #e8f5e9; /* 浅绿色背景 */
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 多树容器：横向排列，可换行 */
.tree-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px; /* 树间距 */
    margin-bottom: 10px;
}

/* 单个树GIF：固定大小，动画淡入 + 轻微缩放 */
.tree-image {
    width: 60px; /* 调整为你的GIF大小，多树时稍小 */
    height: auto;
    opacity: 0;
    transform: scale(0.9); /* 初始缩小 */
    transition: opacity 1s ease-in-out, transform 1s ease-in-out; /* 淡入 + 生长缩放 */
}

.tree-image.loaded {
    opacity: 1;
    transform: scale(1); /* 放大到正常大小 */
}

/* 总树GIF稍大 */
.total-tree .tree-image {
    width: 80px;
}

/* 文本美化 */
.tree p {
    font-size: 12px;
    color: #333;
    font-weight: bold;
    text-align: center;
}
/* 自定义模态选项 */
.customize-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.option-item {
    text-align: center;
    background: #e8f5e9;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    position: relative;
}

.option-item img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.option-item.locked img {
    filter: grayscale(100%);
    opacity: 0.5;
}

.option-item.locked::after {
    content: '';
    background: url('assets/lock-icon.png') no-repeat center;
    background-size: contain;
    width: 30px;
    height: 30px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.option-item p {
    font-size: 12px;
    margin-top: 5px;
}

/* 精灵容器背景 */
#elf-customize-container {
    position: relative;
    background-size: cover;
    background-position: center;
}
/* 翻页样式 */
#pagination button {
    padding: 8px 15px;
    margin: 0 10px;
}

#page-info {
    font-size: 14px;
    color: #333;
}

/* 清空模态输入 */
#reset-exp-modal input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 10px;
}
#pagination {
    display: none; /* 默认隐藏 */
}
#pagination button {
    padding: 8px 15px;
    margin: 0 10px;
    background: #4CAF50; /* 确保可见 */
    color: white;
}
#page-info {
    font-size: 14px;
    color: #333;
}
.customize-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    margin: 20px 0;
    max-height: 300px; /* 防止过长挤压按钮 */
    overflow-y: auto; /* 如果项多，可滚动 */
}
#pagination {
    display: none; /* 默认隐藏，JS会改block */
    margin-top: 10px;
}

#pagination.active { /* 可选，确保可见 */
    display: block !important;
}

#pagination button {
    padding: 8px 15px;
    margin: 0 5px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#page-info {
    font-size: 14px;
    color: #333;
    margin: 0 10px;
}
#elf-level, #elf-exp, #max-exp {
    transition: all 0.5s ease; /* 平滑变化 */
}
/* 图像上传和显示样式 */
#image-upload { display: none; }
.image-preview {
    max-width: 200px;
    max-height: 200px;
    border-radius: 10px;
    margin: 5px 0;
    display: block;
}

.user-message .image-preview {
    align-self: flex-end;
    margin-left: auto;
}

/* 上传按钮美化 */
.input-group label {
    background: #fff;
    color: #4CAF50;
    border: 1px solid #4CAF50;
    border-radius: 10px;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 14px;
}

.input-group label:hover {
    background: #4CAF50;
    color: white;
}
/* 上传按钮样式（完美隐藏 input，兼容所有浏览器） */
.upload-btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 15px;
    cursor: pointer;
    user-select: none;
}

.upload-btn input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    font-size: 0; /* 防止 iOS 上出现奇怪的文字 */
}

/* ======================
   AI Assistant Screen Styling
   ====================== */
#ai-assistant {
    padding: 24px 20px 110px;
    min-height: 100vh;
    box-sizing: border-box;
    background: linear-gradient(180deg, rgba(225, 245, 231, 0.92) 0%, rgba(255, 255, 255, 0.98) 45%, rgba(200, 230, 201, 0.95) 100%);
    position: relative;
    overflow: hidden;
}

#ai-assistant::before,
#ai-assistant::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(129, 199, 132, 0.35), rgba(129, 199, 132, 0));
    filter: blur(70px);
    opacity: 0.5;
    pointer-events: none;
    animation: aiGlow 16s ease-in-out infinite alternate;
}

#ai-assistant::before {
    top: -220px;
    left: -150px;
}

#ai-assistant::after {
    bottom: -200px;
    right: -160px;
    animation-delay: 3s;
}

#ai-assistant > * {
    position: relative;
    z-index: 1;
}

#ai-assistant .header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

#ai-assistant .header h2 {
    margin: 0;
    font-size: 28px;
    background: linear-gradient(90deg, #1b5e20, #81c784);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    animation: titlePulse 3.2s ease-in-out infinite;
}

.chat-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 28px 24px 26px;
    border-radius: 28px;
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.92), rgba(210, 244, 218, 0.9));
    border: 1px solid rgba(76, 175, 80, 0.18);
    box-shadow: 0 28px 50px rgba(76, 175, 80, 0.2);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.chat-container::before {
    content: "";
    position: absolute;
    inset: -40% -20% auto -20%;
    height: 60%;
    background: radial-gradient(circle at top, rgba(129, 199, 132, 0.35), rgba(129, 199, 132, 0));
    opacity: 0.4;
    animation: softWave 12s ease-in-out infinite;
    pointer-events: none;
}

.chat-container .btn.secondary {
    align-self: flex-end;
    width: auto;
    min-width: 140px;
    padding: 10px 18px;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-container .btn.secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 24px rgba(76, 175, 80, 0.2);
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: clamp(360px, 48vh, 520px);
    min-height: 320px;
    overflow-y: auto;
    padding-right: 6px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 6px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #66bb6a, #43a047);
    border-radius: 6px;
}

.message {
    position: relative;
    max-width: 78%;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 34px rgba(76, 175, 80, 0.18);
    font-size: 15px;
    line-height: 1.55;
    color: #2f4f4f;
    white-space: pre-wrap;
    word-break: break-word;
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    animation: messagePop 0.45s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

.message::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.6), rgba(129, 199, 132, 0.1));
    opacity: 0.65;
    pointer-events: none;
}

.user-message {
    align-self: flex-end;
    background: linear-gradient(135deg, #66bb6a, #388e3c);
    color: #fff;
    box-shadow: 0 20px 36px rgba(56, 142, 60, 0.3);
}

.user-message::after {
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
}

.ai-message {
    align-self: flex-start;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(225, 245, 231, 0.92));
    box-shadow: 0 18px 32px rgba(76, 175, 80, 0.18);
}

.ai-thinking {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.85);
    color: #2e7d32;
    box-shadow: 0 14px 26px rgba(76, 175, 80, 0.16);
    font-weight: 600;
    letter-spacing: 0.4px;
}

.ai-thinking .spinner {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid rgba(76, 175, 80, 0.25);
    border-top-color: #43a047;
    animation: spinner 0.9s linear infinite;
}

.chat-input-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 14px 12px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(76, 175, 80, 0.22);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6), 0 20px 32px rgba(76, 175, 80, 0.15);
}

.chat-input-row input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    padding: 10px 6px;
    outline: none;
    color: #2f4f4f;
    min-width: 100%;
}

.chat-input-row input::placeholder {
    color: rgba(47, 79, 79, 0.6);
}

.chat-input-row .btn.primary {
    width: auto;
    min-width: 120px;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 600;
    background: linear-gradient(120deg, #43a047, #7cb342);
    box-shadow: 0 16px 24px rgba(67, 160, 71, 0.28);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-left: auto;
}

.chat-input-row .btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 32px rgba(67, 160, 71, 0.32);
}

.upload-btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(76, 175, 80, 0.35);
    color: #2e7d32;
    box-shadow: 0 12px 22px rgba(76, 175, 80, 0.16);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 28px rgba(76, 175, 80, 0.22);
}

.upload-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-btn:hover::after {
    opacity: 1;
}

.upload-btn input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.chat-tip {
    font-size: 13px;
    color: rgba(47, 79, 79, 0.66);
    text-align: center;
    margin-top: -4px;
    letter-spacing: 0.2px;
}

@keyframes spinner {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes messagePop {
    0% { opacity: 0; transform: translateY(20px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes aiGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -30px) scale(1.15); }
}

@keyframes softWave {
    0% { transform: translateX(-18%); }
    100% { transform: translateX(18%); }
}

@keyframes titlePulse {
    0%, 100% { text-shadow: 0 0 14px rgba(129, 199, 132, 0.3); }
    50% { text-shadow: 0 0 24px rgba(129, 199, 132, 0.5); }
}

@media (max-width: 540px) {
    #ai-assistant {
        padding: 18px 14px 100px;
    }

    .chat-container {
        padding: 22px 18px 20px;
        border-radius: 22px;
    }

    .chat-messages {
        max-height: 420px;
        min-height: 260px;
    }

    .chat-input-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    .chat-input-row input {
        flex-basis: 100%;
        order: 2;
    }

    .upload-btn {
        order: 1;
    }

    .chat-input-row .btn.primary {
        order: 3;
        align-self: stretch;
    }

    .message {
        max-width: 100%;
    }
}




/* ======================
   Elf Home & Modal Enhancements
   ====================== */
#elf-home {
    background: linear-gradient(to top, rgba(76, 175, 80, 0.25) 0%, rgba(255, 255, 255, 0.96) 75%);
    position: relative;
    overflow: hidden;
    padding: 0;
    min-height: 100vh;
}

#elf-home::before,
#elf-home::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 187, 106, 0.35), rgba(102, 187, 106, 0));
    filter: blur(60px);
    opacity: 0.45;
    animation: auroraShift 14s ease-in-out infinite alternate;
    pointer-events: none;
}

#elf-home::before {
    top: -180px;
    left: -160px;
}

#elf-home::after {
    bottom: -220px;
    right: -150px;
    animation-delay: 3s;
}

#elf-home > * {
    position: relative;
    z-index: 1;
}

#elf-home h2 {
    font-size: 28px;
    margin-bottom: 18px;
    background: linear-gradient(90deg, #1b5e20, #81c784);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    animation: titleGlow 3s ease-in-out infinite;
}

#elf-home .customize,
#elf-home .stats {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
#elf-home .stats{
    padding: 0 100px;
}

#elf-home .customize .item,
#elf-home .stats .item {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(76, 175, 80, 0.18);
    border-radius: 18px;
    box-shadow: 0 20px 42px rgba(76, 175, 80, 0.18);
    position: relative;
    overflow: hidden;
    transform: translateY(32px) scale(0.92);
    opacity: 0;
    animation: floatUp 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
    transition: transform 0.35s ease, box-shadow 0.35s ease;

}

#elf-home .customize .item {
    width: 120px;
    padding: 16px 14px;
}

#elf-home .stats .item {
    flex: 1 1 160px;
    min-width: 160px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

#elf-home .customize .item:nth-child(1) { animation-delay: 0.18s; }
#elf-home .customize .item:nth-child(2) { animation-delay: 0.28s; }
#elf-home .customize .item:nth-child(3) { animation-delay: 0.36s; }
#elf-home .customize .item:nth-child(4) { animation-delay: 0.44s; }

#elf-home .stats .item:nth-child(1) { animation-delay: 0.42s; }
#elf-home .stats .item:nth-child(2) { animation-delay: 0.52s; }
#elf-home .stats .item:nth-child(3) { animation-delay: 0.6s; }

#elf-home .customize .item::before,
#elf-home .stats .item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.18), rgba(255, 255, 255, 0.4));
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: 0;
}

#elf-home .customize .item:hover,
#elf-home .stats .item:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 26px 46px rgba(76, 175, 80, 0.24);
}

#elf-home .customize .item:hover::before,
#elf-home .stats .item:hover::before {
    opacity: 1;
}

#elf-home .customize .item *,
#elf-home .stats .item * {
    position: relative;
    z-index: 1;
}

#elf-home .customize .item img {
    width: 60px;
    margin-bottom: 12px;
    filter: drop-shadow(0 10px 20px rgba(76, 175, 80, 0.25));
    transition: transform 0.35s ease;
}

#elf-home .customize .item:hover img {
    transform: translateY(-4px) scale(1.05);
}

#elf-customize-container {
    margin: 25px auto;
    max-width: 280px;
    width: 100%;
    
    border-radius: 32px;
    padding: 30px 20px 16px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background: rgba(255, 255, 255, 0.55);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: 0 28px 45px rgba(76, 175, 80, 0.18);
    position: relative;
    overflow: hidden;
    animation: float 5s ease-in-out infinite alternate;
}

#elf-customize-container::before {
    content: "";
    position: absolute;
    inset: -35%;
    background: radial-gradient(circle at 30% 30%, rgba(129, 199, 132, 0.45), rgba(129, 199, 132, 0));
    animation: orbPulse 12s ease-in-out infinite;
    opacity: 0.55;
    pointer-events: none;
}

#elf-customize-container::after {
    content: "";
    position: absolute;
    bottom: -18%;
    left: 50%;
    transform: translateX(-50%);
    width: 140%;
    height: 36%;
    background: rgba(255, 255, 255, 0.32);
    filter: blur(28px);
    opacity: 0.72;
    pointer-events: none;
}

#elf-character {
    max-width: 180px;
    animation: float 4.5s ease-in-out infinite;
    filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.18));
}

#elf-furniture {
    pointer-events: none;
    animation: float 4.5s ease-in-out infinite;
    animation-delay: 1.2s;
}

#elf-home .btn.primary {
    width: calc(100% - 120px);
    margin: 24px auto 16px;
    background: linear-gradient(120deg, #43a047, #81c784);
    box-shadow: 0 18px 32px rgba(67, 160, 71, 0.3);
    border-radius: 22px;
    letter-spacing: 0.4px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#elf-home .btn.primary::after {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 60%);
    transform: translateX(-120%);
    animation: buttonShine 4s ease-in-out infinite;
    pointer-events: none;
}

#elf-home .btn.primary:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 24px 40px rgba(67, 160, 71, 0.35);
}

#elf-home .exp-button {
    width: calc(100% - 90px);
    margin: 12px auto 40px;
    padding: 14px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(76, 175, 80, 0.28);
    color: #2e7d32;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    box-shadow: 0 18px 36px rgba(76, 175, 80, 0.2);
    animation: pulseGlow 3.2s ease-in-out infinite;
}

#elf-home .exp-button span {
    position: relative;
    z-index: 1;
}

#elf-home .exp-button::before {
    content: "";
    position: absolute;
    inset: -45%;
    background: conic-gradient(from 0deg, rgba(102, 187, 106, 0.35), rgba(255, 255, 255, 0), rgba(102, 187, 106, 0.35));
    animation: rotateGlow 9s linear infinite;
    opacity: 0.55;
    pointer-events: none;
}

#elf-home .exp-button::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: inherit;

    z-index: 0;
    pointer-events: none;
   
}

#elf-home .bottom-nav {
    background: rgba(255, 255, 255, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(76, 175, 80, 0.18);
    box-shadow: 0 -12px 32px rgba(76, 175, 80, 0.16);
    position: absolute;
    left: 0;
    bottom: 0;
}

#elf-home .bottom-nav button {
    color: #4f4f4f;
    transition: transform 0.3s ease, color 0.3s ease;
}

#elf-home .bottom-nav button:hover {
    color: #2e7d32;
    transform: translateY(-3px);
}

/* Modal enhancements */
.modal {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.modal::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(102, 187, 106, 0.25), transparent 55%),
                radial-gradient(circle at bottom right, rgba(129, 199, 132, 0.3), transparent 60%);
    opacity: 0;
    animation: modalBackdrop 0.8s ease forwards;
    pointer-events: none;
}

.modal.active::before {
    opacity: 1;
}

.modal-content {
    max-width: min(520px, 92vw);
    border-radius: 24px;
    padding: 28px 26px;
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.96), rgba(210, 244, 218, 0.9));
    border: 1px solid rgba(76, 175, 80, 0.25);
    box-shadow: 0 30px 60px rgba(76, 175, 80, 0.22);
    position: relative;
    overflow: hidden;
    transform: translateY(40px) scale(0.94);
    opacity: 0;
}

.modal-content > * {
    position: relative;
    z-index: 2;
}

.modal-content::before {
    content: "";
    position: absolute;
    top: -120%;
    left: -120%;
    width: 240%;
    height: 240%;
    background: conic-gradient(from 0deg, rgba(255, 255, 255, 0), rgba(144, 238, 144, 0.4), rgba(255, 255, 255, 0));
    animation: shimmer 8s linear infinite;
    opacity: 0.35;
    pointer-events: none;
}

.modal-content::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.6));
    pointer-events: none;
}

.modal.active .modal-content {
    animation: modalReveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.modal .btn {
    width: auto;
    min-width: 160px;
    margin: 12px 10px 0;
    border-radius: 999px;
    padding: 12px 18px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modal .btn.primary {
    background: linear-gradient(120deg, #43a047, #7cb342);
    color: #fff;
    box-shadow: 0 15px 28px rgba(67, 160, 71, 0.28);
}

.modal .btn.secondary {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(67, 160, 71, 0.35);
    color: #2e7d32;
    box-shadow: 0 12px 24px rgba(67, 160, 71, 0.16), inset 0 0 0 1px rgba(255, 255, 255, 0.78);
}

.modal .btn:hover {
    transform: translateY(-2px) scale(1.02);
}

#customize-modal .modal-content {
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 80%;
    box-sizing: border-box;
}

#customize-options {
    width: 100%;
    max-height: 360px;
    overflow-y: auto;
    padding: 0 6px 4px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 14px;
    animation: optionFadeIn 0.6s ease forwards;
}

#customize-modal .option-item {
    padding: 16px 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: 0 14px 28px rgba(76, 175, 80, 0.12);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    transform: translateY(25px) scale(0.94);
    opacity: 0;
    animation: optionCardRise 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    position: relative;
    overflow: hidden;
}

#customize-modal .option-item:nth-child(1) { animation-delay: 0.15s; }
#customize-modal .option-item:nth-child(2) { animation-delay: 0.22s; }
#customize-modal .option-item:nth-child(3) { animation-delay: 0.29s; }
#customize-modal .option-item:nth-child(4) { animation-delay: 0.36s; }

#customize-modal .option-item:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 26px 48px rgba(76, 175, 80, 0.22);
}

#customize-modal .option-item img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 12px 22px rgba(76, 175, 80, 0.22));
    transition: transform 0.35s ease;
    margin: 0 auto;
}

#customize-modal .option-item:hover img {
    transform: translateY(-4px) scale(1.05);
}

#customize-modal .option-item.locked {
    position: relative;
    overflow: hidden;
    
}

#customize-modal .option-item.locked::after {
    content: "LOCKED";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 13px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(76, 175, 80, 0.65);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: none;
}

#customize-modal .option-item.locked img {
    filter: grayscale(1) opacity(0.4);
}

#pagination {
    display: none;
    margin-top: 10px;
    text-align: center;
    justify-content: center;
    padding: 0 20px;
    box-sizing: border-box;
    align-items: center;
    gap: 12px;
}

#pagination.active {
    display: flex !important;
}

#pagination .btn {
    min-width: 50px;
}

/* Animations */
@keyframes auroraShift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -30px) scale(1.1); }
}

@keyframes floatUp {
    0% { opacity: 0; transform: translateY(32px) scale(0.92); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-10px) scale(1.02); }
}

@keyframes orbPulse {
    0% { transform: scale(0.95); opacity: 0.45; }
    100% { transform: scale(1.15); opacity: 0.65; }
}

@keyframes buttonShine {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(130%); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 18px 36px rgba(76, 175, 80, 0.2); }
    50% { box-shadow: 0 24px 46px rgba(76, 175, 80, 0.3); }
}

@keyframes rotateGlow {
    100% { transform: rotate(360deg); }
}

@keyframes modalBackdrop {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes modalReveal {
    0% { opacity: 0; transform: translateY(40px) scale(0.94); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes shimmer {
    100% { transform: rotate(360deg); }
}

@keyframes optionFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes optionCardRise {
    0% { opacity: 0; transform: translateY(25px) scale(0.94); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes titleGlow {
    0%, 100% { text-shadow: 0 0 12px rgba(129, 199, 132, 0.25); }
    50% { text-shadow: 0 0 20px rgba(129, 199, 132, 0.45); }
}



/* ======================
   Friend 页面样式
   ====================== */
#friend {
    padding: 20px;
    background: linear-gradient(to top, #c2ecc3 0%, #f5f5f5 100%);
    min-height: 100vh;
    box-sizing: border-box;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

/* 状态栏样式 */
#friend .status-bar {
    display: flex;
    justify-content: space-between;
    padding: 10px 15px;
    background: #fff;
    border-radius: 15px 15px 0 0;
    margin-bottom: 15px;
    font-size: 13px;
    color: #333;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

#friend .battery {
    color: #4CAF50;
    font-weight: bold;
    letter-spacing: 2px;
}

/* 搜索框 */
#friend input[type="text"] {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 20px;
    background: white url('assets/search-icon.png') no-repeat 15px center;
    background-size: 18px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.5s ease-out forwards 0.3s;
}

#friend input[type="text"]:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* 好友列表区域 */
#friend .new-friends,
#friend .my-friends {
    background: white;
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
    will-change: transform, opacity;
}

#friend .new-friends {
    animation-delay: 0.4s;
}

#friend .my-friends {
    animation-delay: 0.5s;
}

#friend h3 {
    color: #333;
    font-size: 16px;
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

/* 好友项 */
#friend .friend-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(20px);
    animation: fadeInRight 0.5s ease-out forwards;
}

/* 为每个好友项设置不同的动画延迟 */
#friend .new-friends .friend-item:nth-child(2) { animation-delay: 0.5s; }
#friend .new-friends .friend-item:nth-child(3) { animation-delay: 0.6s; }
#friend .my-friends .friend-item:nth-child(2) { animation-delay: 0.6s; }
#friend .my-friends .friend-item:nth-child(3) { animation-delay: 0.7s; }
#friend .my-friends .friend-item:nth-child(4) { animation-delay: 0.8s; }
#friend .my-friends .friend-item:nth-child(5) { animation-delay: 0.9s; }

#friend .friend-item:last-child {
    border-bottom: none;
}

#friend .friend-item:hover {
    background-color: #f9f9f9;
    border-radius: 10px;
    padding-left: 10px;
    transform: translateX(0);
}

#friend .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

#friend .friend-item:hover .avatar {
    transform: scale(1.1);
    border-color: #4CAF50;
}

#friend .friend-item span {
    margin-left: auto;
    margin-right: 10px;
    font-size: 12px;
    color: #666;
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

#friend .friend-item:hover span {
    background: #4CAF50;
    color: white;
}

#friend button {
    background: #f0f0f0;
    border: none;
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#friend button:first-of-type {
    background: #4CAF50;
    color: white;
}

#friend button:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 底部导航 */
#friend .bottom-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background: white;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

#friend .bottom-nav button {
    background: none;
    border: none;
    font-size: 12px;
    color: #666;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

#friend .bottom-nav button img {
    width: 24px;
    height: 24px;
    margin-bottom: 5px;
}

#friend .bottom-nav button:hover {
    background: #f0f0f0;
    color: #4CAF50;
}

/* 响应式调整 */
@media (max-width: 480px) {
    #friend {
        padding: 15px;
    }
    
    #friend .friend-item {
        padding: 10px 0;
    }
    
    #friend .avatar {
        width: 36px;
        height: 36px;
    }
    
    #friend button {
        padding: 4px 10px;
        font-size: 11px;
    }
}

/* 动画定义 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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


/* ======================
   Map & Scan 页面样式
   ====================== */
#map,
#scan {
    padding: 20px;
    background: linear-gradient(to top, #c2ecc3 0%, #f5f5f5 100%);
    min-height: 100vh;
    box-sizing: border-box;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}
#scan .eo{
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 90px);
}

/* 通用样式 */
#map h2,
#scan h2 {
    color: #333;
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 600;
}

/* 输入框样式 */
#map input[type="text"],
#scan input[type="text"],
#scan input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 15px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    background: white;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.5s ease-out forwards 0.3s;
}

#map input[type="text"]:focus,
#scan input[type="text"]:focus,
#scan input[type="number"]:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* 按钮样式 */
#map .btn,
#scan .btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#map .btn.primary,
#scan .btn.primary {
    background: #4CAF50;
    color: white;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.5s ease-out forwards 0.4s;
}

#map .btn.secondary,
#scan .btn.secondary {
    background: #fff;
    color: #333;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.5s ease-out forwards 0.5s;
}

#map .btn:hover,
#scan .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 扫描区域 */
#scan .scanner {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards 0.3s;
}

/* 地图容器 */
#map .map-view {
    background: white;
    border-radius: 15px;
    height: 400px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards 0.3s;
}

/* 底部导航 */
#map .bottom-nav,
#scan .bottom-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background: white;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

#map .bottom-nav button,
#scan .bottom-nav button {
    background: none;
    border: none;
    font-size: 12px;
    color: #666;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

#map .bottom-nav button img,
#scan .bottom-nav button img {
    width: 24px;
    height: 24px;
    margin-bottom: 5px;
}

#map .bottom-nav button:hover,
#scan .bottom-nav button:hover {
    background: #f0f0f0;
    color: #4CAF50;
}

/* 响应式调整 */
@media (max-width: 480px) {
    #map,
    #scan {
        padding: 15px;
    }
    
    #map h2,
    #scan h2 {
        font-size: 20px;
    }
    
    #map .map-view {
        height: 300px;
    }
}

/* 动画定义 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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


/* ======================
   Mine 页面样式
   ====================== */
#mine {
    padding: 20px;
    background: linear-gradient(to top, #c2ecc3 0%, #f5f5f5 100%);
    min-height: 100vh;
    box-sizing: border-box;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

/* 状态栏样式 */
#mine .status-bar {
    display: flex;
    justify-content: space-between;
    padding: 10px 15px;
    background: #fff;
    border-radius: 15px 15px 0 0;
    margin-bottom: 2px;
    font-size: 13px;
    color: #333;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

#mine .battery {
    color: #4CAF50;
    font-weight: bold;
    letter-spacing: 2px;
}

/* 个人资料区域 */
#mine .profile {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    margin-bottom: 20px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards 0.2s;
}

#mine .profile img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid #4CAF50;
    margin-bottom: 15px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

#mine .profile img:hover {
    transform: scale(1.05);
}

#mine .profile p {
    color: #333;
    margin: 10px 0;
    font-size: 16px;
    font-weight: 500;
}

#mine .profile .edit {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 25px;
    margin-top: 15px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(76, 175, 80, 0.2);
}

#mine .profile .edit:hover {
    background: #3d8b40;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

/* 菜单列表 */
#mine .menu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

#mine .menu li {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(20px);
    will-change: transform, opacity;
    transform-origin: left center;
    font-size: 15px;
    color: #333;
    font-weight: 500;
}

#mine .menu li:last-child {
    border-bottom: none;
}

#mine .menu li:hover {
    background-color: #f9f9f9;
    padding-left: 25px;
}

#mine .menu-icon {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    opacity: 0.8;
    transition: transform 0.3s ease;
}

#mine .menu li:hover .menu-icon {
    transform: scale(1.1);
}

#mine .menu li::after {
    content: '›';
    margin-left: auto;
    color: #999;
    font-size: 20px;
    font-weight: bold;
    transition: all 0.3s ease;
}

#mine .menu li:hover::after {
    transform: translateX(5px);
    color: #4CAF50;
}

/* 为每个菜单项设置不同的动画延迟 */
#mine .menu li:nth-child(1) { animation: fadeInRight 0.5s ease-out forwards 0.3s; }
#mine .menu li:nth-child(2) { animation: fadeInRight 0.5s ease-out forwards 0.4s; }
#mine .menu li:nth-child(3) { animation: fadeInRight 0.5s ease-out forwards 0.5s; }
#mine .menu li:nth-child(4) { animation: fadeInRight 0.5s ease-out forwards 0.6s; }
#mine .menu li:nth-child(5) { animation: fadeInRight 0.5s ease-out forwards 0.7s; }
#mine .menu li:nth-child(6) { animation: fadeInRight 0.5s ease-out forwards 0.8s; }

/* 响应式调整 */
@media (max-width: 480px) {
    #mine {
        padding: 15px;
    }
    
    #mine .profile {
        padding: 20px 15px;
    }
    
    #mine .profile img {
        width: 80px;
        height: 80px;
    }
    
    #mine .menu li {
        padding: 14px 15px;
        font-size: 14px;
    }
    
    #mine .menu-icon {
        width: 20px;
        height: 20px;
        margin-right: 12px;
    }
}

/* 动画定义 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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