/* 合同管理闭环系统 · 全局样式 */
:root {
  --primary: #1B3A5C;
  --primary-light: #2B5A8C;
  --primary-dark: #0F2440;
  --accent: #3B82F6;
  --bg: #F0F4F8;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── 布局 ── */
.app-layout { display: flex; min-height: 100vh; }

/* 侧栏 */
.sidebar {
  width: 220px; background: linear-gradient(180deg, var(--primary-dark), var(--primary));
  color: #fff; padding: 0; flex-shrink: 0;
  display: flex; flex-direction: column;
}
.sidebar-logo {
  padding: 24px 20px; font-size: 18px; font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo span { color: rgba(255,255,255,0.6); font-size: 12px; display: block; margin-top: 4px; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; color: rgba(255,255,255,0.7);
  font-size: 14px; transition: all 0.2s;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(255,255,255,0.1); color: #fff; text-decoration: none;
}
.sidebar-nav a .icon { width: 20px; text-align: center; font-size: 16px; }
.sidebar-footer {
  padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px; color: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.sidebar-footer .sf-user { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer .sf-logout {
  flex-shrink: 0; background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
  border: none; border-radius: 4px; padding: 4px 8px; font-size: 11px; cursor: pointer;
  transition: background .15s;
}
.sidebar-footer .sf-logout:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* 主内容区 */
.main-content { flex: 1; padding: 24px 32px; overflow-x: auto; }

/* ── 通用组件 ── */
.page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}
.page-header h1 { font-size: 22px; font-weight: 600; color: var(--primary); }

.card {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; color: var(--primary); }

/* 统计卡片 */
.stats-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--card-bg); border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow); border-left: 4px solid var(--primary);
}
.stat-card .stat-num { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.warning .stat-num { color: var(--warning); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.danger .stat-num { color: var(--danger); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.success .stat-num { color: var(--success); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 6px; font-size: 14px; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #2563EB; }

/* 表格 */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  text-align: left; padding: 10px 12px; background: var(--bg);
  font-weight: 600; color: var(--text-secondary); border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.data-table tr:hover { background: #F9FAFB; }
.data-table tr.row-selected { background: #EFF6FF; box-shadow: inset 3px 0 0 var(--primary); }

/* 状态标签 */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 500;
}
.badge-green { background: #D1FAE5; color: #065F46; }
.badge-blue { background: #DBEAFE; color: #1E40AF; }
.badge-gray { background: #F3F4F6; color: #4B5563; }
.badge-red { background: #FEE2E2; color: #991B1B; }
.badge-yellow { background: #FEF3C7; color: #92400E; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: var(--text-secondary); }
.form-control {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; outline: none; transition: border-color 0.2s;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
select.form-control { background: #fff; }

/* 面包屑 */
.breadcrumb { font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb span { color: var(--text); }

/* 模态框 */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; justify-content: center; align-items: center;
  z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal-box {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 24px; width: 90%; max-width: 520px; max-height: 85vh;
  overflow-y: auto; box-shadow: var(--shadow-lg);
}
.modal-box h2 { font-size: 18px; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* 空状态 */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-secondary); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* 通知提示 */
.toast {
  position: fixed; top: 20px; right: 20px; padding: 12px 20px;
  border-radius: 8px; color: #fff; font-size: 14px; z-index: 2000;
  box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(-10px);
  transition: all 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--accent); }

/* 加载状态 */
.loading { text-align: center; padding: 40px; color: var(--text-secondary); }
.spinner { display: inline-block; width: 24px; height: 24px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 登录页专用 */
.login-page {
  display: flex; justify-content: center; align-items: center;
  min-height: 100vh; background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.login-box {
  background: var(--card-bg); border-radius: 12px; padding: 40px;
  width: 400px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.login-box h1 { font-size: 22px; color: var(--primary); text-align: center; margin-bottom: 4px; }
.login-box p { font-size: 13px; color: var(--text-secondary); text-align: center; margin-bottom: 24px; }

/* 流程图节点 */
.flow-row { display: flex; gap: 12px; align-items: flex-start; overflow-x: auto; padding: 16px 0; }
.flow-node {
  flex-shrink: 0; width: 180px; background: var(--card-bg); border-radius: var(--radius);
  border: 2px solid var(--border); padding: 16px; text-align: center;
  position: relative; cursor: pointer; transition: all 0.2s;
}
.flow-node:hover { box-shadow: var(--shadow-lg); }
.flow-node .node-seq {
  position: absolute; top: -10px; left: -10px; width: 24px; height: 24px;
  border-radius: 50%; background: var(--primary); color: #fff;
  font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.flow-node.active { border-color: var(--primary); background: #EFF6FF; }
.flow-node.completed { border-color: var(--success); background: #F0FDF4; }
.flow-node.completed .node-seq { background: var(--success); }
.flow-node.pending { border-color: var(--border); background: #F9FAFB; opacity: 0.7; }
.flow-node.overdue { border-color: var(--danger); background: #FEF2F2; }
.flow-node.overdue .node-seq { background: var(--danger); }
.flow-node .node-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.flow-node .node-info { font-size:12px; color:var(--text-secondary); margin-top:2px; }
.flow-node .node-remark { font-size:11px; color:#92400E; background:#FFFBEB; padding:2px 6px; border-radius:3px; margin-top:3px; max-width:140px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.flow-arrow { flex-shrink: 0; display: flex; align-items: center; padding: 0 4px; color: var(--text-secondary); font-size: 20px; }
.flow-modules { display: flex; gap: 4px; justify-content: center; margin-top: 8px; flex-wrap: wrap; }
.flow-modules .module-btn { padding: 2px 8px; font-size: 11px; border-radius: 4px; border: 1px solid var(--border); background: var(--card-bg); cursor: pointer; }

/* 异常看板 */
.alert-item { padding: 10px 14px; border-radius: 6px; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; font-size: 13px; }
.alert-error { background: #FEF2F2; border-left: 3px solid var(--danger); }
.alert-warning { background: #FFFBEB; border-left: 3px solid var(--warning); }
.alert-info { background: #EFF6FF; border-left: 3px solid var(--accent); }
.alert-icon { flex-shrink: 0; font-size: 16px; }

/* 时间线 */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 16px; }
.timeline-item::before {
  content: ''; position: absolute; left: -20px; top: 6px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--primary);
  border: 2px solid var(--card-bg);
}
.timeline-item .tl-time { font-size: 12px; color: var(--text-secondary); }
.timeline-item .tl-text { font-size: 13px; }

/* 响应式 */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-logo span, .sidebar-nav a span { display: none; }
  .main-content { padding: 16px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

/* ── 财务票据 左右固定分栏 ── */
.split-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  min-height: 0;
}
.panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 0;
}
.panel-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}
.panel-search {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto auto;
  gap: 6px 10px;
  align-items: end;
  padding: 0 16px 8px;
}
.panel-body {
  flex: 1;
  overflow-x: auto;
  overflow-y: auto;
  padding: 0 16px 16px;
  min-height: 200px;
}
.panel-body table.data-table {
  width: 100%;
  table-layout: fixed;
}
.panel-body table.data-table th,
.panel-body table.data-table td {
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
}