* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #1677ff; --success: #52c41a; --danger: #ff4d4f;
  --warn: #faad14; --bg: #f5f7fa; --card: #fff;
  --text: #1f2329; --text2: #646a73; --border: #e5e6eb;
  --side: #1f2a44; --side2: #26324f;
}
body { font-family: -apple-system, "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; }
.layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar { width: 220px; background: var(--side); color: #cdd3e0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 18px; font-weight: 600; color: #fff;
  padding: 18px 20px; border-bottom: 1px solid var(--side2); }
.nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
.nav-group { font-size: 11px; color: #7a8499; padding: 14px 12px 6px;
  letter-spacing: 1px; }
.nav-item { padding: 10px 14px; border-radius: 8px; cursor: pointer;
  margin-bottom: 2px; font-size: 14px; }
.nav-item:hover { background: var(--side2); }
.nav-item.active { background: var(--primary); color: #fff; }
.side-foot { padding: 12px 16px; font-size: 11px; color: #7a8499;
  border-top: 1px solid var(--side2); }

/* 主区 */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { background: var(--card); padding: 14px 22px; display: flex;
  align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar h2 { font-size: 17px; font-weight: 600; }
.top-hint { font-size: 12px; color: var(--text2); }
.content { padding: 18px 22px; }

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

.card { background: var(--card); border-radius: 10px; padding: 18px;
  margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.card-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; }

/* 表单 */
.form-group { margin-bottom: 12px; }
.form-row { display: flex; gap: 12px; }
.form-row > .form-group { flex: 1; }
label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 5px; }
input, select { width: 100%; padding: 9px 11px; border: 1px solid var(--border);
  border-radius: 7px; font-size: 14px; background: #fff; color: var(--text); }
input:focus, select:focus { outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22,119,255,0.1); }
.mini-input { width: 160px; padding: 6px 10px; }

.btn { padding: 9px 18px; border: none; border-radius: 7px; cursor: pointer;
  font-size: 14px; font-weight: 500; background: #eef0f3; color: var(--text); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn:active { opacity: .85; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mt8 { margin-top: 8px; }
.muted { color: var(--text2); font-size: 12px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 8px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #fafbfc; color: var(--text2); font-weight: 500; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 10px;
  font-size: 11px; font-weight: 500; }
.badge-ok { background: #f6ffed; color: var(--success); }
.badge-low { background: #fff7e6; color: var(--warn); }
.badge-out { background: #fff1f0; color: var(--danger); }
.empty { text-align: center; padding: 30px; color: var(--text2); }

/* 卡片网格 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 14px; margin-bottom: 16px; }
.kpi { background: var(--card); border-radius: 10px; padding: 18px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05); text-align: center; }
.kpi .num { font-size: 26px; font-weight: 700; }
.kpi .lab { font-size: 12px; color: var(--text2); margin-top: 4px; }
.kpi.c1 .num { color: var(--primary); } .kpi.c2 .num { color: var(--success); }
.kpi.c3 .num { color: var(--warn); } .kpi.c4 .num { color: var(--danger); }

/* 产品/任务卡片 */
.item-card { background: #fafbfc; border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; margin-bottom: 10px; }
.item-card .name { font-weight: 600; }
.bom-line { padding: 3px 0; font-size: 13px; color: var(--text2); }

/* 弹窗 */
.modal-mask { display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 200; align-items: center; justify-content: center; }
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: 12px; padding: 22px; width: 92%;
  max-width: 480px; max-height: 85vh; overflow-y: auto; }

/* toast */
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
  background: #333; color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 999; }
.toast.show { opacity: 1; }

/* 登录遮罩 */
.login-mask { position: fixed; inset: 0; z-index: 500; display: flex;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); }
.login-card { width: 340px; max-width: 92%; background: #fff; border-radius: 16px;
  padding: 32px 28px; box-shadow: 0 20px 60px rgba(0,0,0,.35); text-align: center; }
.login-brand { font-size: 22px; font-weight: 700; color: var(--primary); }
.login-sub { color: var(--muted,#888); font-size: 13px; margin: 6px 0 20px; }
.login-card .form-group { text-align: left; margin-bottom: 14px; }
.login-card input { width: 100%; }
.login-btn { width: 100%; padding: 11px; font-size: 16px; font-weight: 600; margin-top: 4px; }
.login-err { color: var(--danger,#ff4d4f); font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.login-foot { color: var(--muted,#888); font-size: 12px; margin-top: 16px; line-height: 1.5; }

/* 顶栏用户区 */
.user-area { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.user-name { font-size: 13px; color: var(--text2); }
.topbar { display: flex; align-items: center; gap: 14px; }

/* 权限勾选网格 */
.perm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; margin-top: 4px; }
.perm-chk { display: flex; align-items: center; gap: 6px; font-size: 13px; }
@media (max-width: 480px) { .perm-grid { grid-template-columns: 1fr; } }

@media (max-width: 720px) {
  .sidebar { width: 64px; }
  .brand { font-size: 0; padding: 14px 0; text-align: center; }
  .brand::before { content: "📦"; font-size: 22px; }
  .nav-group, .side-foot { display: none; }
  .nav-item { font-size: 0; text-align: center; padding: 12px 0; }
  .nav-item::first-letter { font-size: 18px; }
  .form-row { flex-direction: column; gap: 0; }
}

/* 生产模块：产品勾选清单 */
.prod-checklist { max-height: 320px; overflow: auto;
  border: 1px solid #e8e8e8; border-radius: 8px; padding: 4px; }
.check-row { display: flex; align-items: center; gap: 8px;
  padding: 6px 6px; border-bottom: 1px solid #f3f3f3; }
.check-row .pr_nm { font-weight: 600; }
.check-row .muted { font-size: 12px; color: #999; }
.check-row input[type=number] { margin-left: auto; width: 70px; }
.check-row:last-child { border-bottom: none; }