/* 全局变量定义 */
:root {
    --primary-color: #007aff;
    --success-color: #34c759;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.8);
}

/* 基础重置 */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    margin: 0;
    padding: 20px;
    color: #1d1d1f;
    line-height: 1.5;
}

/* 页眉设计 */
.main-header {
    max-width: 1400px;
    margin: 0 auto 30px auto;
    padding: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--card-shadow);
}

.main-header h1 {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sys-info {
    text-align: right;
    font-size: 12px;
    color: #666;
}

.sys-info strong {
    color: var(--primary-color);
    display: block;
    font-size: 14px;
}

/* 任务区块卡片化 */
.task-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.task-header {
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.task-title {
    font-size: 18px;
    font-weight: 700;
    color: #1d1d1f;
    display: flex;
    align-items: center;
}

.task-title .highlight {
    background: var(--primary-color);
    color: white;
    padding: 2px 10px;
    border-radius: 6px;
    margin-left: 8px;
    font-size: 14px;
}

.badge {
    font-size: 12px;
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

/* 连廊滚动条设计 */
.task-row {
    display: flex;
    overflow-x: auto;
    gap: 16px;
    padding: 4px 4px 16px 4px;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
}

/* 美化 Chrome/Safari 滚动条 */
.task-row::-webkit-scrollbar {
    height: 5px;
}

.task-row::-webkit-scrollbar-track {
    background: transparent;
}

.task-row::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

/* 截图卡片设计 */
.card {
    flex: 0 0 220px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid #f0f0f0;
}

.card:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.card img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
    cursor: zoom-in;
}

.card-info {
    padding: 10px;
    font-size: 12px;
    text-align: center;
    color: #86868b;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
    font-variant-numeric: tabular-nums;
}

/* 空状态提示 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--glass-bg);
    border-radius: 20px;
    color: #888;
}

/* 手机端适配优化 */
@media (max-width: 768px) {
    body { padding: 10px; }
    
    .main-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .sys-info { text-align: center; }
    
    .task-section { padding: 15px; }
    
    .card { flex: 0 0 160px; }
    
    .card img { height: 260px; }
}