/* ===================================
   AU-OPS 轨迹查询系统 - 主样式文件
   =================================== */

/* 全局变量 */
:root {
    /* 主色调 */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    
    /* 辅助色 */
    --success-color: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* 中性色 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 边框圆角 */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* 导航栏样式 */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--gray-200);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color) !important;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--primary-dark) !important;
    transform: translateY(-1px);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600) !important;
    transition: var(--transition-fast);
    border-radius: var(--border-radius-sm);
    margin: 0 0.25rem;
    padding: 0.5rem 0.75rem !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--gray-100);
}

/* Hero区域样式 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.hero-stats {
    margin-top: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

/* 搜索区域样式 */
.search-section {
    margin-top: -3rem;
    position: relative;
    z-index: 10;
}

.search-section .card {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.search-section .card-body {
    padding: 2.5rem;
}

.form-control,
.form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

.btn {
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    border: none;
    padding: 0.75rem 1.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.quick-search {
    transition: var(--transition-fast);
}

.quick-search:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 加载动画样式 */
.loading-section {
    padding: 4rem 0;
}

.spinner-border {
    animation: spin 1s linear infinite;
}

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

/* 结果区域样式 */
.results-section {
    background-color: white;
}

.results-header {
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 1.5rem;
}

.result-info .badge {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
}

.result-actions .btn {
    padding: 0.5rem 1rem;
}

/* 轨迹时间线样式 */
.tracking-timeline {
    position: relative;
    padding-left: 2rem;
}

.tracking-timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--success-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

.timeline-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(0.25rem);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.25rem;
    top: 1.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-color);
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.timeline-item.current::before {
    background: var(--success-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.timeline-content {
    padding: 1.5rem;
}

.timeline-status {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.timeline-meta {
    display: flex;
    justify-content: between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.timeline-time {
    font-weight: 500;
}

.timeline-location {
    display: flex;
    align-items: center;
}

/* 错误区域样式 */
.error-section .alert {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    border-top: 1px solid var(--gray-700);
}

/* 工具提示样式 */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background-color: var(--gray-800);
    border-radius: var(--border-radius-sm);
}

/* 模态框样式 */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem;
}

/* 徽章样式 */
.badge {
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

/* 卡片样式 */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

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

/* 表单验证样式 */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
}

/* 动画类 */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* 实用工具类 */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-success { border-color: var(--success-color) !important; }

/* 隐藏/显示工具类 */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

/* 间距调整 */
.main-content {
    min-height: calc(100vh - 200px);
}

/* 垂直输入组样式 */
.input-group-append-vertical {
    display: flex;
    align-items: stretch;
    margin-left: 1rem;
}

.input-group-append-vertical .btn {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    white-space: nowrap;
    border-radius: var(--border-radius-md);
}

/* 多行文本输入框样式 */
.form-control[rows] {
    resize: vertical;
    min-height: 120px;
}

/* 查询结果汇总样式 */
.results-summary {
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--gray-200);
}

.summary-item {
    text-align: center;
    padding: 1rem;
}

.summary-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 多结果展示样式 */
.multi-results {
    display: grid;
    gap: 2rem;
}

.result-item {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition-fast);
}

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

.result-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: between;
    align-items: center;
}

.result-tracking-number {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
}

.result-status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-status-success {
    background: var(--success-color);
    color: white;
}

.result-status-error {
    background: var(--danger-color);
    color: white;
}

.result-body {
    padding: 1.5rem;
}

/* 帮助模态框样式 */
.help-modal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

.help-section {
    margin-bottom: 2rem;
}

.help-section h5 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.help-example {
    background: var(--gray-100);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    font-family: 'Courier New', monospace;
    margin: 0.5rem 0;
}

/* 紧凑时间线样式 */
.compact-timeline {
    margin: 1rem 0;
}

.compact-timeline-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.compact-timeline-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.compact-timeline-item.current {
    background: linear-gradient(135deg, var(--primary-light) 0%, transparent 100%);
    padding: 0.75rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--primary-color);
}

.compact-timeline-icon {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

.compact-timeline-status {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.compact-timeline-time {
    font-size: 0.875rem;
}

.compact-timeline-more {
    padding: 0.5rem;
    border-top: 1px dashed var(--gray-300);
    margin-top: 1rem;
}

/* 页脚样式修复 */
.footer {
    background: #1a1a1a !important;
    color: #ffffff !important;
}

.footer .footer-copyright {
    color: #ffffff !important;
    margin-bottom: 0.5rem;
}

.footer .footer-additional-info {
    color: #cccccc !important;
    font-size: 0.875rem;
}

.footer .footer-links a {
    color: #cccccc !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer .footer-links a:hover {
    color: #ffffff !important;
    text-decoration: underline;
}

.footer .company-name {
    color: #ffffff !important;
    font-weight: 600;
}

.footer .badge {
    background-color: var(--success-color) !important;
}

/* 清空结果动画 */
.fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

/* ===================================
   小单列表样式
   =================================== */

.sub-trackings-list {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: white;
}

.sub-tracking-item {
    border-bottom: 1px solid var(--gray-200);
}

.sub-tracking-item:last-child {
    border-bottom: none;
}

.sub-tracking-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    background: white;
}

.sub-tracking-header:hover {
    background: var(--gray-50);
}

.sub-tracking-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sub-tracking-number {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.sub-tracking-status {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.sub-tracking-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: right;
}

.sub-tracking-time {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.sub-tracking-toggle {
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.sub-tracking-header:hover .sub-tracking-toggle {
    color: var(--primary-color);
}

.sub-tracking-details {
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    padding: 1rem;
}

.sub-tracking-timeline {
    max-height: 400px;
    overflow-y: auto;
}

.sub-timeline-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.sub-timeline-item:last-child {
    border-bottom: none;
}

.sub-timeline-content {
    flex: 1;
}

.sub-timeline-status {
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.sub-timeline-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sub-timeline-time,
.sub-timeline-location {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sub-tracking-header {
        padding: 0.75rem;
    }

    .sub-tracking-meta {
        flex-direction: column;
        gap: 0.25rem;
        align-items: flex-end;
    }

    .sub-tracking-details {
        padding: 0.75rem;
    }

    .sub-timeline-item {
        padding: 0.5rem 0;
    }
}