/* ====================================================================
   欧美财务4.0 - 订单处理与财务联动系统
   ==================================================================== */
:root {
  --primary: #4f6ef7;
  --primary-dark: #3b57d9;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg: #f0f2f5;
  --card: #ffffff;
  --text: #1f2937;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,.1);
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, 'PingFang SC','Microsoft YaHei',sans-serif; background:var(--bg); color:var(--text); font-size:14px; }

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

/* ===== 侧边栏 ===== */
.sidebar {
  width:200px; background:#1e293b; color:#fff;
  display:flex; flex-direction:column; flex-shrink:0;
  position:sticky; top:0; height:100vh;
}
.sidebar-header {
  padding:20px 16px; border-bottom:1px solid rgba(255,255,255,.1);
  font-size:15px; font-weight:700; letter-spacing:1px;
}
.sidebar-header small { font-weight:400; opacity:.6; font-size:11px; display:block; margin-top:2px; }
.sidebar-nav { flex:1; padding:8px 0; }
.nav-item {
  display:flex; align-items:center; gap:8px;
  padding:11px 20px; cursor:pointer; transition:all .2s;
  color:rgba(255,255,255,.65); font-size:13.5px; border-left:3px solid transparent;
}
.nav-item:hover { background:rgba(255,255,255,.08); color:#fff; }
.nav-item.active { background:rgba(79,110,247,.2); color:#fff; border-left-color:var(--primary); }
.nav-item .badge {
  margin-left:auto; background:var(--primary); color:#fff;
  font-size:11px; padding:1px 8px; border-radius:10px; min-width:20px; text-align:center;
}
.sidebar-footer { padding:14px 20px; border-top:1px solid rgba(255,255,255,.1); font-size:11px; color:rgba(255,255,255,.35); }

/* ===== 主内容 ===== */
.main-content { flex:1; display:flex; flex-direction:column; min-height:100vh; }
.page-header {
  background:#fff; padding:14px 24px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; z-index:10; box-shadow:var(--shadow); flex-wrap:wrap; gap:8px;
}
.page-header h2 { font-size:17px; font-weight:600; }
.page-body { padding:18px 24px; flex:1; }

/* ===== 筛选栏 ===== */
.filter-bar {
  display:flex; gap:8px; flex-wrap:wrap; align-items:center;
  background:#fff; padding:10px 14px; border-radius:var(--radius);
  box-shadow:var(--shadow); margin-bottom:14px;
}
.filter-bar select, .filter-bar input {
  padding:5px 10px; border:1px solid var(--border); border-radius:5px;
  font-size:12.5px; background:#fff; outline:none; min-width:90px;
  transition:border .2s;
}
.filter-bar select:focus, .filter-bar input:focus { border-color:var(--primary); }
.filter-bar .btn-reset {
  padding:5px 12px; border:1px solid var(--border); border-radius:5px;
  background:#fff; cursor:pointer; font-size:12.5px;
}
.filter-bar .btn-reset:hover { background:#f9fafb; }

/* ===== 按钮 ===== */
.btn {
  display:inline-flex; align-items:center; gap:4px;
  padding:6px 14px; border-radius:6px; border:none; cursor:pointer;
  font-size:12.5px; transition:all .2s; white-space:nowrap; line-height:1.4;
}
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { background:#16a34a; }
.btn-warning { background:var(--warning); color:#fff; }
.btn-warning:hover { background:#d97706; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#dc2626; }
.btn-outline { background:#fff; border:1px solid var(--border); color:var(--text); }
.btn-outline:hover { background:#f9fafb; }
.btn-sm { padding:4px 10px; font-size:12px; }

/* ===== 表格 ===== */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
thead { background:#f8fafc; }
th { padding:9px 11px; text-align:left; font-weight:600; font-size:12px; color:var(--text-secondary); border-bottom:2px solid var(--border); white-space:nowrap; }
td { padding:9px 11px; border-bottom:1px solid var(--border); font-size:13px; }
tr.clickable { cursor:pointer; }
tr:hover { background:#f8faff; }
tr.expanded td { background:#f0f4ff; border-bottom:none; }
tr.expand-detail td { padding:0; background:#f8faff; }
.expand-box { padding:14px 20px; border-bottom:1px solid var(--border); }

/* ===== 来源标签 ===== */
.tag {
  display:inline-block; padding:2px 9px; border-radius:10px;
  font-size:11.5px; font-weight:500; white-space:nowrap;
}
.tag-一米 { background:#e0f2fe; color:#0369a1; }
.tag-携程 { background:#fae8ff; color:#a21caf; }
.tag-曲奇 { background:#fef9c3; color:#a16207; }
.tag-其他 { background:#f3f4f6; color:#6b7280; }
.tag-public { background:#dbeafe; color:#1d4ed8; }
.tag-processing { background:#fef3c7; color:#b45309; }
.tag-completed { background:#d1fae5; color:#059669; }

/* ===== 展开面板 ===== */
.detail-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:10px 20px; }
.detail-item label { font-size:11px; color:var(--text-secondary); display:block; margin-bottom:1px; }
.detail-item .val { font-size:13.5px; font-weight:500; }
.detail-divider { border-top:1px solid var(--border); margin:10px 0; }

/* ===== 成本列表 ===== */
.cost-row {
  display:flex; align-items:center; gap:10px; padding:6px 0;
  border-bottom:1px dashed var(--border); font-size:13px;
}
.cost-row:last-child { border-bottom:none; }
.cost-row .cn { flex:1; }
.cost-row .ca { font-weight:600; min-width:70px; text-align:right; }
.cost-row .cm { font-size:12px; color:var(--text-secondary); min-width:55px; }
.cost-row .cd { cursor:pointer; color:var(--danger); font-size:16px; padding:0 4px; }
.add-cost { display:flex; gap:6px; margin-top:8px; flex-wrap:wrap; }
.add-cost input, .add-cost select {
  padding:4px 8px; border:1px solid var(--border); border-radius:4px; font-size:12px; background:#fff;
}

/* ===== 空状态 ===== */
.empty-state { text-align:center; padding:50px 20px; color:var(--text-secondary); }
.empty-state .icon { font-size:40px; margin-bottom:10px; opacity:.3; display:block; }

/* ===== Modal ===== */
.modal-overlay {
  display:none; position:fixed; inset:0; background:rgba(0,0,0,.4);
  z-index:100; align-items:center; justify-content:center;
}
.modal-overlay.show { display:flex; }
.modal {
  background:#fff; border-radius:var(--radius); padding:22px;
  min-width:460px; max-width:92vw; max-height:85vh; overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.modal h3 { font-size:16px; margin-bottom:14px; }
.modal .form-row { display:flex; gap:10px; margin-bottom:10px; flex-wrap:wrap; }
.modal .form-row > * { flex:1; min-width:120px; }
.modal label { display:block; font-size:12px; color:var(--text-secondary); margin-bottom:3px; }
.modal input, .modal select, .modal textarea {
  width:100%; padding:5px 9px; border:1px solid var(--border); border-radius:5px;
  font-size:13px; outline:none; background:#fff;
}
.modal input:focus, .modal select:focus { border-color:var(--primary); }
.modal textarea { resize:vertical; min-height:50px; }
.modal .btn-row { display:flex; gap:8px; justify-content:flex-end; margin-top:14px; }

/* ===== 上传区 ===== */
.upload-zone {
  border:2px dashed var(--border); border-radius:8px; padding:28px;
  text-align:center; cursor:pointer; transition:all .2s; margin-bottom:14px;
}
.upload-zone:hover { border-color:var(--primary); background:#f8faff; }

/* ===== 响应式 ===== */
@media(max-width:768px){
  .sidebar { width:56px; }
  .sidebar-header small, .sidebar-footer { display:none; }
  .nav-item span:not(.badge) { display:none; }
  .nav-item .badge { display:none; }
  .nav-item { justify-content:center; padding:14px 0; }
}