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

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

/* 蓝白配色主题 */
:root {
    --primary-blue: #2563eb;
    --light-blue: #3b82f6;
    --dark-blue: #1e40af;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 鼠标动画效果 */
.cursor-pointer {
    cursor: pointer;
    transition: all 0.3s ease;
}

.cursor-pointer:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 容器样式 */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* 标题样式 */
h1 {
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
    font-weight: bold;
}

h2 {
    color: var(--dark-blue);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

h3 {
    color: var(--dark-blue);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 5px;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray);
    color: var(--white);
    width: 100%;
}

.btn-secondary2 {
    background: var(--gray);
    color: var(--white);
/*    width: 100%;*/
}

.btn-secondary:hover {
    background: var(--dark-gray);
    transform: translateY(-2px);
}
.btn-secondary2:hover {
    background: var(--dark-gray);
    transform: translateY(-2px);
}
.btn-danger {
    background: #dc2626;
    color: var(--white);
}

.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-2px);
}

.btn-success {
    background: #16a34a;
    color: var(--white);
}

.btn-success:hover {
    background: #15803d;
    transform: translateY(-2px);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-blue);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
/*    width: 100%;*/
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    margin-top: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--white);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--dark-blue);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tr:hover {
    background: var(--light-gray);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    gap: 10px;
}

.pagination .page-btn {
    padding: 8px 16px;
    border: 2px solid var(--border-color);
    background: var(--white);
    color: var(--dark-blue);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.pagination .page-btn:hover,
.pagination .page-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-1px);
}

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

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

.close {
    color: var(--gray);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--dark-gray);
}

/* 统计卡片样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray);
    font-size: 1.1rem;
}

/* 物流状态样式 */
.tracking-timeline {
    position: relative;
    padding-left: 30px;
}

.tracking-item {
    position: relative;
    padding: 15px 0;
    border-left: 2px solid var(--border-color);
    padding-left: 25px;
    margin-bottom: 10px;
}

.tracking-item:before {
    content: '';
    position: absolute;
    left: -6px;
    top: 20px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-blue);
}

.tracking-item.latest:before {
    background: #16a34a;
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.2);
}

.tracking-date {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 5px;
}

.tracking-status {
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 5px;
}

.tracking-location {
    font-size: 0.9rem;
    color: var(--gray);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card {
        padding: 20px;
        margin-bottom: 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .search-title {
        font-size: 2rem;
    }
    
    .search-subtitle {
        font-size: 1rem;
    }
    
    .search-form {
        padding: 20px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .input-group .form-select {
        flex: none;
        width: 100%;
    }
    
    .table-container {
        margin: 15px -20px;
        border-radius: 0;
    }
    
    .table {
        min-width: 500px;
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 8px 12px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        margin: 5px 0;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
        max-height: 85vh;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .navbar-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 5px;
    }
    
    .search-title {
        font-size: 1.8rem;
    }
    
    .search-form {
        padding: 15px;
    }
    
    .table {
        min-width: 450px;
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 6px 8px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .modal-content {
        width: 98%;
        margin: 5% auto;
        padding: 15px;
        max-height: 90vh;
    }
}

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

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

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-blue);
    animation: spin 1s ease-in-out infinite;
}

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

/* 提示消息样式 */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Logo样式 */
.logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: block;
    object-fit: cover;
    border: 3px solid var(--white);
    box-shadow: var(--shadow);
}

/* 搜索框样式 */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.search-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.search-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.search-form {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-group .form-select {
/*    flex: 0 0 120px;*/
}

.input-group .form-control {
    flex: 1;
}

/* 文件上传样式 */
.file-upload {
    position: relative;
    display: inline-block;
    cursor: pointer;
    overflow: hidden;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.file-upload:hover {
    border-color: var(--primary-blue);
    background: var(--light-gray);
}

.file-upload input[type=file] {
    position: absolute;
    left: -9999px;
}

.file-upload-text {
    color: var(--gray);
    font-size: 16px;
}

/* 导航栏样式 */
.navbar {
    background: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--dark-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-blue);
}