/* ============================================================
 * 中海·学仕里项目管理网页 - 美化版样式
 * 基于UI设计系统 v2026-05-25
 * 主色：#1E5BB5 深海蓝 | 浅色主题 | 专业B端风格
 * ============================================================ */

/* ============================================================
 * 1. CSS变量 - 设计系统
 * ============================================================ */
:root {
    /* 品牌色 */
    --color-primary: #1E5BB5;
    --color-primary-hover: #2563EB;
    --color-primary-press: #1D4ED8;
    --color-accent: #0EA5E9;
    
    /* 背景色 */
    --color-bg-base: #F8FAFC;
    --color-bg-elevated: #FFFFFF;
    --color-bg-hover: #F1F5F9;
    --color-bg-pressed: #E2E8F0;
    
    /* 文字色 */
    --color-text-primary: #1E293B;
    --color-text-secondary: #64748B;
    --color-text-tertiary: #94A3B8;
    --color-text-disabled: #CBD5E1;
    --color-text-inverse: #FFFFFF;
    
    /* 边框色 */
    --color-border: #E2E8F0;
    --color-border-strong: #CBD5E1;
    --color-border-divider: #F1F5F9;
    
    /* 状态色 */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #047857;
    
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #B45309;
    
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-error-dark: #DC2626;
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
    
    /* 过渡 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
 * 2. 基础样式与重置
 * ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg-base);
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overscroll-behavior: none;
    touch-action: pan-y;
}

/* ============================================================
 * 3. 登录页 - 现代化设计
 * ============================================================ */
.login-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-overlay.hidden { display: none; }

.login-box {
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-logo {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.login-subtitle {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    font-weight: 400;
}

.login-form {
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.login-field {
    margin-bottom: 20px;
    text-align: left;
}

.login-field label {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.login-field select,
.login-field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.login-field select:focus,
.login-field input:focus {
    border-color: var(--color-primary);
}

.login-field select option {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

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

.login-btn:active {
    transform: translateY(0);
}

.login-error {
    color: var(--color-error);
    font-size: 13px;
    margin-top: 16px;
    min-height: 20px;
    font-weight: 500;
}

/* ============================================================
 * 4. 头部导航 - 渐变风格
 * ============================================================ */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.header-subtitle {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
}

.header-user {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

#currentUser {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    font-weight: 500;
}

.logout-btn {
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* ============================================================
 * 5. 底部导航 - 简洁现代
 * ============================================================ */
.tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-elevated);
    display: flex;
    justify-content: space-around;
    padding: 8px 0 20px;
    border-top: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.05);
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 16px;
    color: var(--color-text-tertiary);
    font-size: 11px;
    cursor: pointer;
    transition: color var(--transition-fast);
    border-radius: var(--radius-md);
}

.tab-item.active {
    color: var(--color-primary);
}

.tab-item svg {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
}

/* ============================================================
 * 6. 内容区域与页面
 * ============================================================ */
.content {
    padding: 16px;
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 100px;
}

.page { display: none; }
.page.active { display: block; }

/* ============================================================
 * 7. 通用组件 - 卡片、按钮、表单
 * ============================================================ */
.card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-pressed);
}

.btn-small {
    padding: 6px 14px;
    font-size: 12px;
}

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

.form-label {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    font-size: 14px;
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ============================================================
 * 8. 统计卡片 - 现代化风格
 * ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    padding: 16px 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.stat-item.filter-active {
    background: rgba(30, 91, 181, 0.1);
    border-color: var(--color-primary);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.stat-value.warning { color: var(--color-warning); }
.stat-value.danger { color: var(--color-error); }
.stat-value.success { color: var(--color-success); }
.stat-value.overdue { color: var(--color-error); }

.stat-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ============================================================
 * 9. 筛选栏 - 简洁标签式
 * ============================================================ */
.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.filter-btn {
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ============================================================
 * 10. 节点列表 - 卡片式设计
 * ============================================================ */
.node-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.node-item {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    padding: 16px;
    border-left: 4px solid var(--color-text-tertiary);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.node-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.node-item.engineering { border-left-color: var(--color-primary); }
.node-item.pending { opacity: 0.7; }
.node-item.in-progress { border-left-color: var(--color-accent); }
.node-item.warning {
    border-left-color: var(--color-warning);
    background: linear-gradient(to right, var(--color-warning-light), var(--color-bg-elevated));
}
.node-item.overdue {
    border-left-color: var(--color-error);
    background: linear-gradient(to right, var(--color-error-light), var(--color-bg-elevated));
}
.node-item.completed { border-left-color: var(--color-success); opacity: 0.8; }

.node-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.node-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    flex: 1;
    margin-right: 10px;
    line-height: 1.4;
}

.node-status {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
}

.status-pending { background: var(--color-bg-hover); color: var(--color-text-secondary); }
.status-progress { background: rgba(30, 91, 181, 0.1); color: var(--color-primary); }
.status-warning { background: var(--color-warning-light); color: var(--color-warning-dark); }
.status-overdue { background: var(--color-error-light); color: var(--color-error-dark); }
.status-completed { background: var(--color-success-light); color: var(--color-success-dark); }

.node-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.node-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
}

/* ============================================================
 * 11. 工法查询 - 搜索与筛选
 * ============================================================ */
.gongfa-container { padding: 0; }

.gongfa-search {
    margin-bottom: 16px;
}

.gongfa-search input {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.gongfa-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 91, 181, 0.1);
}

.gongfa-search input::placeholder {
    color: var(--color-text-tertiary);
}

.gongfa-filters {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.gongfa-filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    display: block;
}

.gongfa-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.gongfa-filter-selects {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.gongfa-select-group {
    flex: 1;
    min-width: 0;
}

.gongfa-select-group .gongfa-filter-label {
    margin-bottom: 8px;
}

.gongfa-select {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.gongfa-select:focus {
    border-color: var(--color-primary);
}

.gongfa-tag {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.gongfa-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.gongfa-tag.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.gongfa-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.gongfa-reset {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 13px;
    cursor: pointer;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.gongfa-reset:hover {
    background: rgba(30, 91, 181, 0.1);
}

.gongfa-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gongfa-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.gongfa-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.gongfa-card-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.gongfa-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    flex: 1;
    line-height: 1.4;
}

.gongfa-card-code {
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 700;
    white-space: nowrap;
    background: rgba(30, 91, 181, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.gongfa-card-tags {
    padding: 0 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.gongfa-card-tag {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.gongfa-tag-cat {
    background: rgba(30, 91, 181, 0.1);
    color: var(--color-primary);
}

.gongfa-tag-6633 {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.gongfa-card-content {
    padding: 0 16px 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    white-space: pre-line;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gongfa-card-content.expanded {
    -webkit-line-clamp: unset;
}

.gongfa-card-img {
    padding: 0 16px 16px;
}

.gongfa-card-img img {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.gongfa-lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

.gongfa-lightbox.active { display: flex; }

.gongfa-lightbox img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

/* ============================================================
 * 12. 单据生成 - 联系单、罚款单
 * ============================================================ */
.sub-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.sub-tab {
    flex: 1;
    padding: 16px 0;
    text-align: center;
    font-size: 15px;
    color: var(--color-text-secondary);
    background: var(--color-bg-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.sub-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.sub-tab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.doc-form { display: none; }
.doc-form.active { display: block; }

/* 问题列表 */
.issue-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.issue-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.issue-item input {
    flex: 1;
}

.issue-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.remove-issue {
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--color-error);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.remove-issue:hover {
    background: var(--color-error-light);
}

/* 金额显示 */
.amount-display {
    background: var(--color-bg-hover);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-top: 12px;
    border: 2px solid var(--color-border);
}

.amount-uppercase {
    color: var(--color-warning-dark);
    font-size: 18px;
    font-weight: 700;
}

/* ============================================================
 * 13. 工作提醒
 * ============================================================ */
.custom-reminder {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.custom-reminder input {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    font-size: 14px;
    margin-bottom: 10px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.custom-reminder input:focus {
    border-color: var(--color-primary);
}

/* ============================================================
 * 14. 响应式优化
 * ============================================================ */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    
    .stat-item {
        padding: 12px 4px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .gongfa-filter-selects {
        flex-direction: column;
    }
    
    .login-form {
        padding: 24px 20px;
    }
    
    .login-logo {
        font-size: 26px;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
 * 15. 单据模板样式
 * ============================================================ */
.template-wrapper {
    margin-bottom: 20px;
}

.docx-paper {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.paper-title {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-primary);
}

.paper-header-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.paper-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.paper-value {
    font-size: 14px;
    color: var(--color-text-primary);
    font-weight: 600;
}

.paper-no {
    min-width: 80px;
    padding: 4px 8px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 700;
    color: var(--color-primary);
}

.paper-table {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.paper-row {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.paper-row:last-child {
    border-bottom: none;
}

.paper-cell {
    padding: 12px;
    flex: 1;
}

.paper-cell-reason {
    flex: 2;
    border-right: 1px solid var(--color-border);
}

.paper-cell-signer {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.paper-signer-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.paper-cell-body {
    flex: 1;
    padding: 16px;
}

.paper-body-content {
    font-size: 14px;
    line-height: 1.8;
}

.paper-line {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.paper-fixed {
    color: var(--color-text-primary);
}

.editable-field {
    min-width: 60px;
    padding: 2px 6px;
    border-bottom: 1px solid var(--color-border);
    outline: none;
    color: var(--color-primary);
    font-weight: 500;
}

.editable-field:focus {
    border-bottom-color: var(--color-primary);
    background: rgba(30, 91, 181, 0.05);
}

.editable-field:empty::before {
    content: attr(data-placeholder);
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.paper-date-input {
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 600;
    outline: none;
}

.paper-date-input:focus {
    border-color: var(--color-primary);
}

.paper-issues-list {
    margin: 12px 0;
    padding-left: 20px;
}

.paper-issue-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
}

.paper-issue-num {
    color: var(--color-primary);
    font-weight: 700;
    min-width: 24px;
}

.paper-issue-text {
    flex: 1;
    padding: 4px 8px;
    border-bottom: 1px solid var(--color-border);
    outline: none;
    color: var(--color-text-primary);
}

.paper-issue-text:focus {
    border-bottom-color: var(--color-primary);
    background: rgba(30, 91, 181, 0.05);
}

.paper-add-issue-row {
    margin-top: 12px;
}

.paper-add-issue-btn {
    padding: 8px 16px;
    background: var(--color-bg-hover);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.paper-add-issue-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(30, 91, 181, 0.05);
}

.paper-signature-area {
    display: flex;
    justify-content: flex-end;
    gap: 40px;
    margin-top: 40px;
    padding-top: 20px;
}

.paper-signature-line {
    width: 120px;
    height: 60px;
    border-bottom: 1px solid var(--color-text-tertiary);
}

/* 罚款单特殊样式 */
.fine-amount-section {
    background: var(--color-bg-hover);
    border-radius: var(--radius-md);
    padding: 16px;
    margin: 16px 0;
}

.fine-amount-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.fine-amount-input {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-error);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-error);
    width: 100%;
    outline: none;
}

.fine-amount-input::placeholder {
    color: var(--color-text-tertiary);
}

.fine-amount-words {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 8px;
    font-style: italic;
}

/* === Modal 弹窗 === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}
.modal-overlay.show { display: flex; }

.modal-content {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-header {
    padding: 16px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-body { padding: 16px; }
.modal-footer {
    padding: 16px;
    border-top: 1px solid rgba(0,0,0,0.08);
    display: flex;
    gap: 10px;
}

/* 小弹窗（addFileModal / addContactModal） */
.modal {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    padding: 0;
}
.modal-header .modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-text-secondary);
}
.modal-body .form-group {
    margin-bottom: 12px;
}
.modal-body .form-group label {
    display: block;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}
.modal-body .form-group input,
.modal-body .form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}
.modal-footer .btn {
    flex: 1;
}

/* 承建商联动下拉框 */
.field-dropdown {
    display: none;
    position: fixed;
    z-index: 10000;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    max-height: 320px;
    overflow-y: auto;
    padding: 4px 0;
}
.field-dropdown.show {
    display: block;
}
.field-dropdown-item {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid #f5f5f5;
    transition: background 0.15s;
}
.field-dropdown-item:last-child {
    border-bottom: none;
}
.field-dropdown-item:hover {
    background: #e8f5e9;
}
.field-dropdown-item .item-company {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 2px;
}
.field-dropdown-item .item-scope {
    font-size: 12px;
    color: #888;
}
.field-dropdown-item .highlight {
    color: #1E5BB5;
    font-weight: 700;
    background: #e3f2fd;
    padding: 0 2px;
    border-radius: 2px;
}

/* ============================================================
 * 信息中心 - 美化样式
 * ============================================================ */

/* 分类入口网格 */
.learn-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.learn-category-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 22px 16px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.learn-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.learn-category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.learn-category-card:hover::before {
    opacity: 1;
}

.learn-category-card:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.learn-cat-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: transform var(--transition-base);
}

.learn-category-card:hover .learn-cat-icon-wrap {
    transform: scale(1.1);
}

.cat-icon-blue { background: rgba(30, 91, 181, 0.1); color: #1E5BB5; }
.cat-icon-amber { background: rgba(245, 158, 11, 0.1); color: #D97706; }
.cat-icon-green { background: rgba(16, 185, 129, 0.1); color: #059669; }
.cat-icon-purple { background: rgba(139, 92, 246, 0.1); color: #7C3AED; }

/* 卡片悬停时顶部渐变色条 - 各分类独立颜色 */
.cat-blue::before { background: linear-gradient(90deg, #1E5BB5, #0EA5E9); }
.cat-amber::before { background: linear-gradient(90deg, #F59E0B, #FBBF24); }
.cat-green::before { background: linear-gradient(90deg, #10B981, #34D399); }
.cat-purple::before { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }

.cat-blue:hover { border-color: rgba(30, 91, 181, 0.3); }
.cat-amber:hover { border-color: rgba(245, 158, 11, 0.3); }
.cat-green:hover { border-color: rgba(16, 185, 129, 0.3); }
.cat-purple:hover { border-color: rgba(139, 92, 246, 0.3); }

.learn-cat-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.learn-cat-count {
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

/* 详情页标题 */
.learn-detail .card-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text-primary);
    flex: 1;
}

.learn-detail .card-header {
    gap: 10px;
}

/* 详情页头部 */
.learn-detail-header {
    border-bottom: 1px solid var(--color-border-divider);
    padding-bottom: 14px;
    margin-bottom: 16px;
}

.learn-detail-title {
    font-size: 17px;
    font-weight: 700;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.learn-detail-title.cat-blue { color: #1E5BB5; }
.learn-detail-title.cat-amber { color: #D97706; }
.learn-detail-title.cat-green { color: #059669; }
.learn-detail-title.cat-purple { color: #7C3AED; }

.learn-detail-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    border-radius: 2px;
}

.learn-detail-title.cat-blue::before { background: #1E5BB5; }
.learn-detail-title.cat-amber::before { background: #D97706; }
.learn-detail-title.cat-green::before { background: #059669; }
.learn-detail-title.cat-purple::before { background: #7C3AED; }

/* 返回按钮 */
.btn-back {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.btn-back:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

/* 添加按钮 */
.learn-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

/* 筛选按钮组 */
.learn-filter-group {
    display: flex;
    gap: 6px;
    background: var(--color-bg-base);
    padding: 3px;
    border-radius: var(--radius-pill);
}

/* 信息中心子页筛选按钮 */
.learn-filter-group .filter-btn {
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.learn-filter-group .filter-btn:hover {
    color: var(--color-primary);
}

.learn-filter-group .filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.learn-file-list .learn-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-divider);
    margin-bottom: 10px;
    transition: all var(--transition-fast);
    background: var(--color-bg-base);
}

.learn-file-list .learn-file-item:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-sm);
    background: var(--color-bg-elevated);
}

.learn-file-info {
    flex: 1;
    min-width: 0;
}

.learn-file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learn-file-no {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-bottom: 2px;
}

.learn-file-note {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.learn-file-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    margin-left: 12px;
}

.learn-file-actions button,
.learn-file-actions .btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.learn-file-actions button:hover,
.learn-file-actions .btn-icon:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
}

/* 联系人卡片 */
.learn-contact-list .learn-contact-item {
    background: var(--color-bg-base);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 10px;
    border: 1px solid var(--color-border-divider);
    transition: all var(--transition-fast);
}

.learn-contact-list .learn-contact-item:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-sm);
    background: var(--color-bg-elevated);
}

.learn-contact-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.learn-contact-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-right: 8px;
}

.learn-contact-role {
    font-size: 12px;
    color: var(--color-primary);
    background: rgba(30, 91, 181, 0.08);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-weight: 500;
}

.learn-contact-detail {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.learn-contact-actions button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.learn-contact-actions button:hover {
    background: var(--color-error-light);
    border-color: var(--color-error);
}

/* 生成记录表格 */
.records-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.records-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}

.records-table thead th {
    background: var(--color-bg-hover);
    color: var(--color-text-secondary);
    font-weight: 600;
    padding: 12px 10px;
    text-align: left;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    font-size: 12px;
    letter-spacing: 0.02em;
}

.records-table thead th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.records-table thead th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.records-table tbody tr {
    transition: background var(--transition-fast);
}

.records-table tbody tr:hover {
    background: var(--color-bg-hover);
}

.records-table tbody td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--color-border-divider);
    color: var(--color-text-primary);
    vertical-align: middle;
}

.records-table tbody tr:last-child td {
    border-bottom: none;
}

/* 生成记录卡片模式（移动端） */
@media (max-width: 640px) {
    .learn-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .learn-category-card {
        padding: 18px 12px;
    }

    .learn-cat-icon {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .records-table-wrapper {
        margin: 0 -4px;
    }
}

/* 信息中心空状态 */
.learn-empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-text-tertiary);
}

.learn-empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.learn-empty-state .empty-text {
    font-size: 14px;
    font-weight: 500;
}


/* ===== 首页导航卡片 ===== */
.home-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px 16px;
}

.home-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: 24px 16px 20px;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.home-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-color);
}

.home-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--card-color);
}

.home-card:active {
    transform: translateY(0);
}

.home-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: var(--card-color);
}

.home-card-icon svg {
    width: 100%;
    height: 100%;
}

.home-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.home-card-desc {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* 首页卡片作为<a>链接时去除下划线 */
a.home-card {
    text-decoration: none;
    color: inherit;
}

/* tab-nav中<a>标签适配 */
.tab-nav a.tab-item {
    text-decoration: none;
}