/* WINNING Shipping AI 样式表 */
/* 参考KRCon简洁专业风格 */

:root {
    /* 主色调 - 海事蓝 */
    --primary-color: #1a5f7a;
    --primary-dark: #0d4a63;
    --primary-light: #2a7a9a;
    
    /* 辅助色 */
    --secondary-color: #f8b500;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    /* 中性色 */
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-color: #6c757d;
    --border-color: #dee2e6;
    
    /* 字体 */
    --font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-size-base: 14px;
    
    /* 布局 */
    --sidebar-width: 280px;
    --header-height: 70px;
    --footer-height: 60px;
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--dark-color);
    background-color: #f5f7fa;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    height: var(--header-height);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo i {
    font-size: 28px;
    color: var(--secondary-color);
}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.logo .subtitle {
    font-size: 12px;
    opacity: 0.8;
    margin-left: 10px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.2);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar i {
    color: var(--primary-dark);
    font-size: 18px;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.username {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    opacity: 0.8;
}

/* 主内容区 */
.main-container {
    display: flex;
    flex: 1;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border-color);
    padding: 25px 20px;
    overflow-y: auto;
}

.sidebar h3 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar h3 i {
    color: var(--secondary-color);
}

.search-section {
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    margin-bottom: 15px;
}

.search-box input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 4px 0 0 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background 0.3s;
}

.search-box button:hover {
    background: var(--primary-dark);
}

.search-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.search-filters label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    cursor: pointer;
}

.search-filters input[type="checkbox"] {
    margin: 0;
}

.category-section {
    margin-bottom: 30px;
}

.category-list {
    list-style: none;
}

.category-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-list li:hover {
    background: #f0f7ff;
}

.category-list li.active {
    background: var(--primary-color);
    color: white;
}

.category-list li.active i {
    color: var(--secondary-color);
}

.category-list li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.category-list .count {
    background: var(--light-color);
    color: var(--gray-color);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.category-list li.active .count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.recent-list {
    list-style: none;
}

.recent-list li {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.3s;
}

.recent-list li:hover {
    background: #f0f7ff;
}

.recent-list li:last-child {
    border-bottom: none;
}

/* 主要内容区 */
.content {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
}

.welcome-section {
    background: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.welcome-section h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.welcome-section p {
    color: var(--gray-color);
    margin-bottom: 25px;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
}

.stat-card i {
    font-size: 32px;
    color: var(--primary-color);
}

.stat-card h3 {
    font-size: 28px;
    color: var(--dark-color);
    margin: 0;
}

.stat-card p {
    color: var(--gray-color);
    margin: 0;
    font-size: 14px;
}

/* 搜索结果区域 */
.results-section {
    background: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.results-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.results-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.results-info span {
    color: var(--gray-color);
    font-size: 14px;
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--gray-color);
    transition: all 0.3s;
}

.view-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* 结果列表 */
.results-container {
    min-height: 300px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-state i {
    margin-bottom: 20px;
    color: var(--border-color);
}

.empty-state h4 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* 文件卡片 */
.file-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s;
    cursor: pointer;
}

.file-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.file-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.file-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 16px;
    margin: 0;
}

.file-badge {
    background: var(--primary-light);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.file-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--gray-color);
}

.file-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.file-description {
    color: var(--dark-color);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.file-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--light-color);
    color: var(--dark-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #e9ecef;
}

/* 预览区域 */
.preview-section {
    background: white;
    border-radius: 8px;
    margin-top: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.preview-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.close-preview {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-color);
    cursor: pointer;
    padding: 5px;
}

.close-preview:hover {
    color: var(--danger-color);
}

.preview-content {
    padding: 25px;
    min-height: 500px;
    max-height: 600px;
    overflow-y: auto;
}

.preview-actions {
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 底部 */
.footer {
    background: var(--dark-color);
    color: white;
    height: var(--footer-height);
}

.footer .container {
    height: 100%;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.footer-logo i {
    color: var(--secondary-color);
}

.footer-info {
    text-align: center;
    font-size: 13px;
    opacity: 0.8;
}

.footer-info p {
    margin: 2px 0;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 13px;
    opacity: 0.8;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-links a:hover {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        padding: 10px;
        height: auto;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .results-info {
        width: 100%;
        justify-content: space-between;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 工具类 */
.hidden {
    display: none !important;
}

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

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

.text-danger {
    color: var(--danger-color) !important;
}

.bg-light {
    background: var(--light-color) !important;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}