/* 移动端适配样式 */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #f5f5f5;
}

/* 容器 */
.mobile-container {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
}

/* 头部 */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background-color: #007bff;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.mobile-header h1 {
    font-size: 18px;
    margin: 0;
    font-weight: 500;
}

.back-btn {
    background: none;
    border: none;
    color: white;
    font-size: 16px;
    padding: 5px;
    cursor: pointer;
}

/* 内容区域 */
.mobile-content {
    margin-top: 50px;
    padding: 15px;
    padding-bottom: 80px; /* 为底部按钮留空间 */
}

/* 搜索表单 */
.mobile-search-form {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.mobile-form-group {
    margin-bottom: 15px;
}

.mobile-form-group:last-child {
    margin-bottom: 0;
}

.mobile-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.mobile-form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px; /* 防止iOS缩放 */
    background-color: white;
}

.mobile-form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

.mobile-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    background-color: white;
}

/* 按钮 */
.mobile-btn {
    display: inline-block;
    padding: 10px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    min-height: 44px; /* iOS触摸目标最小尺寸 */
}

.mobile-btn-primary {
    background-color: #007bff;
    color: white;
}

.mobile-btn-primary:hover {
    background-color: #0056b3;
}

.mobile-btn-success {
    background-color: #28a745;
    color: white;
}

.mobile-btn-success:hover {
    background-color: #1e7e34;
}

.mobile-btn-full {
    width: 100%;
    margin-bottom: 10px;
}

/* 任务列表 */
.mobile-task-list {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.mobile-task-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
    position: relative;
}

.mobile-task-item:last-child {
    border-bottom: none;
}

.mobile-task-item.selected {
    background-color: #e7f3ff;
}

.mobile-task-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 8px;
}

.mobile-task-checkbox {
    margin-right: 10px;
    margin-top: 2px;
    transform: scale(1.2);
}

.mobile-task-title {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
}

.mobile-task-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
    font-size: 13px;
    color: #666;
}

.mobile-task-meta-item {
    display: flex;
    flex-direction: column;
}

.mobile-task-meta-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 2px;
}

.mobile-task-meta-value {
    font-weight: 500;
}

/* 底部操作栏 */
.mobile-bottom-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 15px;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.mobile-bottom-actions .mobile-btn {
    margin-bottom: 0;
}

/* 加载状态 */
.mobile-loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.mobile-loading::after {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-top-color: #007bff;
    border-radius: 50%;
    animation: mobile-spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes mobile-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 空状态 */
.mobile-empty {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.mobile-empty-icon {
    font-size: 48px;
    margin-bottom: 15px;
    color: #ddd;
}

/* 分页 */
.mobile-pagination {
    text-align: center;
    padding: 20px;
}

.mobile-pagination .mobile-btn {
    margin: 0 5px;
    min-width: 44px;
}

/* 模态框 */
.mobile-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: none;
}

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

.mobile-modal-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px 16px 0 0;
    padding: 20px;
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.mobile-modal-title {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

.mobile-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .mobile-content {
        padding: 10px;
    }
    
    .mobile-search-form {
        padding: 12px;
    }
    
    .mobile-task-meta {
        grid-template-columns: 1fr;
    }
    
    .mobile-bottom-actions {
        padding: 12px;
    }
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 500px) {
    .mobile-header {
        height: 44px;
    }
    
    .mobile-content {
        margin-top: 44px;
        padding-bottom: 70px;
    }
    
    .mobile-bottom-actions {
        padding: 10px 15px;
    }
}