html, body { height: 100%; }
body {
    /* 使用 Bing 图片作为背景 */
    background-image: url('src/wallpaper/big_sure.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    
    /* 保持高度设置 */
    min-height: 100vh;
    margin: 0;
}

/* 顶栏样式 */
.top-bar {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 8px 16px;
    margin:10px 16px;
  
    /* 黏性定位 */
    position: sticky;
    top: 5px;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.8);
    /* 毛玻璃效果 */
    backdrop-filter: blur(10px);
    
    /* 顶栏圆角效果 */
    border-radius: 12px;
}

.top-bar__brand {
    font-weight: 550;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
  
}

.top-bar__logo {
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 50%;
    object-fit: cover;
}

.top-bar__actions {
    display: flex;
    gap: 8px;
}

.top-bar__button {
    padding: 8px 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.top-bar__button:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.top-bar__button:active {
    transform: translateY(0);
}


/* 主区域样式 */
.main-content {
    gap: 24px;
    max-width: 1200px;  /* 最大宽度限制 */
    margin: 40px auto;
    padding: 0 20px 40px 20px;
}   
.dashboard-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(200px, auto); /* 自动行高 */
    grid-auto-flow: dense; /* 紧凑排列 */
    gap: 24px;
}
.card{
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px;
    color: #333;
    
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}


.card__profile{
    grid-column: span 1;
    grid-row: span 2;
}

.card__rss{
    grid-column: span 2;
    grid-row: span 2;
}

.card__hitokoto{
    grid-column: span 1;
    grid-row: span 1;
}

.card__photo{
    grid-column: span 1;
    grid-row: span 1;
}

.card__task{
    grid-column: span 2;
    grid-row: span 2;    
}

/* 响应式设计 */
@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .card {
            grid-column: span 1 !important;
            grid-row: auto !important;
            order: 10;
        }
    .card__profile{
        grid-column: span 1;
        order: 1;
    }
    .card__rss,.card__task{
        grid-column: span 1;
    }
    .card__hitokoto{
        order: 2;
    }
}