/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 顶部标题栏 */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    color: #2d3748;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header h1 i {
    color: #4299e1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.stats {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
}

.stat-item {
    padding: 8px 12px;
    background: #e2e8f0;
    border-radius: 8px;
    font-weight: 500;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.4);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-danger {
    background: #f56565;
    color: white;
}

.btn-danger:hover {
    background: #e53e3e;
    transform: translateY(-2px);
}

/* 过滤器 */
.filters {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: #4a5568;
}

.filter-group select {
    padding: 6px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: white;
    font-size: 0.9rem;
    cursor: pointer;
}

/* 主内容区域 */
.main-content {
    min-height: 400px;
}

.orders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 20px;
    padding: 10px 0;
}

/* 订单卡片 */
.order-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    cursor: move;
    position: relative;
    overflow: hidden;
}

.order-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.order-card.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

/* 优先级条 */
.priority-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.priority-bar.high {
    background: linear-gradient(90deg, #f56565, #e53e3e);
}

.priority-bar.medium {
    background: linear-gradient(90deg, #ed8936, #dd6b20);
}

.priority-bar.low {
    background: linear-gradient(90deg, #48bb78, #38a169);
}

/* 卡片头部 */
.order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.order-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
    line-height: 1.4;
}

.order-actions {
    display: flex;
    gap: 5px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.order-card:hover .order-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: #f7fafc;
    color: #4a5568;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.action-btn:hover {
    background: #e2e8f0;
    transform: scale(1.1);
}

.action-btn.edit:hover {
    color: #4299e1;
}

.action-btn.delete:hover {
    color: #f56565;
}

/* 卡片内容 */
.order-info {
    margin-bottom: 15px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.info-label {
    color: #718096;
    font-weight: 500;
}

.info-value {
    color: #2d3748;
    font-weight: 600;
}

.client-name {
    color: #4299e1;
    font-weight: 600;
}

.order-type {
    display: inline-block;
    padding: 4px 8px;
    background: #edf2f7;
    border-radius: 4px;
    font-size: 0.8rem;
    color: #4a5568;
}

/* 状态标签 */
.status-badge {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.status-badge.pending {
    background: #fed7d7;
    color: #c53030;
}

.status-badge.in-progress {
    background: #bee3f8;
    color: #2b6cb0;
}

.status-badge.review {
    background: #feebc8;
    color: #c05621;
}

.status-badge.completed {
    background: #c6f6d5;
    color: #2f855a;
}

/* 时间信息 */
.time-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #f7fafc;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-top: 10px;
}

.deadline {
    color: #e53e3e;
    font-weight: 600;
}

.deadline.soon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.progress-info {
    font-size: 0.8rem;
    color: #718096;
    margin-top: 10px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #4a5568;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-content.small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.modal-header h2 {
    color: #2d3748;
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #718096;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #f7fafc;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #4a5568;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4299e1;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

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

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

/* 拖拽提示 */
.drag-over {
    background: rgba(66, 153, 225, 0.1);
    border: 2px dashed #4299e1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        justify-content: space-between;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .filter-group {
        justify-content: space-between;
    }

    .orders-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 10px;
    }

    .order-header {
        flex-direction: column;
        gap: 10px;
    }

    .order-actions {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .stats {
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }

    .stat-item {
        text-align: center;
    }

    .time-info {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
}

/* 加载状态样式 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.loading-state i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 15px;
    animation: spin 1s linear infinite;
}

.loading-state p {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
}

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

/* 数据库状态指示器 */
.db-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    padding: 3px 8px;
    border-radius: 12px;
    margin-left: 10px;
}

.db-status.online {
    background: rgba(72, 187, 120, 0.2);
    color: #2f855a;
}

.db-status.offline {
    background: rgba(245, 101, 101, 0.2);
    color: #c53030;
}

.db-status i {
    font-size: 0.7rem;
}