/* ===== 全局变量 - 新版工业实用风（深蓝主色 + 暖灰白底）===== */
:root {
  --bg-primary: #F7F6F2;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0EFEA;
  --bg-input: #F0EFEA;
  --border-color: #E4E2DA;
  --border-hover: #1976d2;
  --text-primary: #222A35;
  --text-secondary: #5B6572;
  --text-muted: #9AA3AF;
  --primary: #1976d2;
  --primary-light: #2196f3;
  --primary-dark: #1565c0;
  --primary-bg: #e3f2fd;
  --accent-green: #15803D;
  --accent-orange: #B45309;
  --accent-red: #B91C1C;
  --accent-purple: #6D28D9;
  --gradient-primary: linear-gradient(135deg, #1976d2 0%, #2196f3 100%);
  --shadow-card: 0 1px 2px rgba(30,40,60,0.05);
  --shadow-hover: 0 4px 12px rgba(30,40,60,0.09);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-width: 230px;
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg-primary); color: var(--text-primary); overflow: hidden; }
.hidden { display: none !important; }
a { cursor: pointer; }

/* ===== 登录页 ===== */
.login-page { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 100; background: linear-gradient(135deg, #1976d2 0%, #1565c0 50%, #0d47a1 100%); overflow-y: auto; padding: 20px 0; }
.login-bg { position: absolute; inset: 0; overflow: hidden; }
.login-bg-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 40px 40px; }
.login-bg-glow { position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%,-50%); animation: pulse 4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 0.5; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 1; transform: translate(-50%,-50%) scale(1.15); } }
.login-card { position: relative; width: 90%; max-width: 400px; background: #fff; border-radius: 16px; padding: 36px 28px; box-shadow: 0 20px 60px rgba(20,30,60,0.35); z-index: 1; }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo-icon { width: 60px; height: 60px; margin: 0 auto 14px; background: var(--primary); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800; color: #fff; box-shadow: 0 6px 20px rgba(29,78,216,0.3); }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--primary); }
.login-logo p { color: var(--text-secondary); font-size: 13px; margin-top: 4px; }
.login-form .input-group { margin-bottom: 18px; }
.login-form label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.login-form input { width: 100%; padding: 11px 14px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 14px; transition: all 0.2s; }
.login-form input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(29,78,216,0.12); }
.btn-primary { width: 100%; padding: 12px; background: var(--primary); border: none; border-radius: var(--radius-sm); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 18px rgba(29,78,216,0.28); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.login-error { color: var(--accent-red); font-size: 13px; text-align: center; margin-top: 14px; min-height: 20px; }

/* ===== 主应用布局 ===== */
.app { display: flex; height: 100vh; }

/* 侧边栏 */
.sidebar { width: var(--sidebar-width); background: linear-gradient(180deg, #1565c0 0%, #1976d2 100%); display: flex; flex-direction: column; flex-shrink: 0; box-shadow: 2px 0 8px rgba(20,30,60,0.12); }
.sidebar-header { display: flex; align-items: center; gap: 10px; padding: 18px 20px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.sidebar-logo { width: 34px; height: 34px; background: rgba(255,255,255,0.15); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: #fff; flex-shrink: 0; }
.sidebar-title { font-size: 16px; font-weight: 600; color: #fff; display: block; }
.sidebar-sub { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 1px; }
.sidebar-nav { flex: 1; padding: 10px 10px; overflow-y: auto; }
.nav-group { font-size: 11px; color: rgba(255,255,255,0.4); letter-spacing: 1px; padding: 14px 12px 5px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: rgba(255,255,255,0.72); text-decoration: none; font-size: 13.5px; font-weight: 500; transition: all 0.15s; margin-bottom: 2px; }
.nav-item:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-item.active { background: rgba(255,255,255,0.16); color: #fff; box-shadow: inset 3px 0 0 #fff; }
.nav-item svg { flex-shrink: 0; }
.sidebar-footer { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,0.15); }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.25); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #fff; flex-shrink: 0; }
.user-details { flex: 1; display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 600; color: #fff; }
.user-role { font-size: 11px; color: rgba(255,255,255,0.6); }
.logout-btn { background: none; border: none; color: rgba(255,255,255,0.6); cursor: pointer; padding: 6px; border-radius: 6px; transition: all 0.15s; }
.logout-btn:hover { color: #fff; background: rgba(255,255,255,0.15); }

/* 主内容区 */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--bg-primary); }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; border-bottom: 1px solid var(--border-color); background: #fff; }
.topbar h2 { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-time { font-size: 13px; color: var(--text-muted); }
.page-content { flex: 1; overflow-y: auto; padding: 22px 28px; }

/* ===== 通用组件 ===== */
.btn { padding: 8px 14px; border: none; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.15s; display: inline-flex; align-items: center; gap: 5px; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); box-shadow: 0 3px 8px rgba(29,78,216,0.25); }
.btn-green { background: var(--accent-green); color: #fff; }
.btn-green:hover { box-shadow: 0 3px 8px rgba(21,128,61,0.22); }
.btn-orange { background: var(--accent-orange); color: #fff; }
.btn-orange:hover { box-shadow: 0 3px 8px rgba(180,83,9,0.22); }
.btn-red { background: var(--accent-red); color: #fff; }
.btn-red:hover { box-shadow: 0 3px 8px rgba(185,28,28,0.22); }
.btn-ghost { background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* 卡片 */
.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-card); }
.card:hover { box-shadow: var(--shadow-hover); }

/* 统计卡片（原型 KPI：label + 大数字 + hint，无顶部彩条） */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius); padding: 16px 18px; transition: all 0.2s; }
.stat-card:hover { box-shadow: var(--shadow-hover); }
.stat-card .stat-label { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 6px; }
.stat-card .stat-value { font-size: 26px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.stat-card .stat-extra { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.stat-card.cyan .stat-value { color: #0F766E; }
.stat-card.orange .stat-value { color: #B45309; }
.stat-card.green .stat-value { color: #15803D; }
.stat-card.purple .stat-value { color: var(--accent-purple); }

/* 表格 */
.table-wrap { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
thead { background: #F0EFEA; }
th { padding: 10px 14px; text-align: left; font-size: 12px; font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); white-space: nowrap; }
td { padding: 10px 14px; font-size: 13px; border-bottom: 1px solid #F0EFEA; color: var(--text-primary); }
tbody tr { transition: all 0.1s; }
tbody tr:hover { background: #FAF9F5; }
tbody tr:last-child td { border-bottom: none; }

/* 状态标签 */
.badge { display: inline-block; padding: 3px 9px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-green { background: #DCFCE7; color: var(--accent-green); }
.badge-orange { background: #FEF3C7; color: var(--accent-orange); }
.badge-red { background: #FEE2E2; color: var(--accent-red); }
.badge-blue { background: var(--primary-bg); color: var(--primary-dark); }
.badge-gray { background: #F1F5F9; color: var(--text-muted); }
.badge-purple { background: #F3E8FF; color: var(--accent-purple); }

/* 搜索栏 */
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.search-input { padding: 9px 14px; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 14px; min-width: 220px; transition: all 0.15s; }
.search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29,78,216,0.12); }

/* Tab（原型：下划线式状态筛选） */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border-color); padding: 0 2px; margin-bottom: 14px; width: fit-content; overflow-x: auto; }
.tab { padding: 7px 12px; border-radius: 6px 6px 0 0; font-size: 13px; font-weight: 500; color: var(--text-secondary); cursor: pointer; transition: all 0.15s; white-space: nowrap; border-bottom: 2px solid transparent; }
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary-dark); font-weight: 600; border-bottom-color: var(--primary); background: transparent; }

/* 模态框 */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 200; }
.modal { background: #fff; border-radius: var(--radius); width: 90%; max-width: 600px; max-height: 90vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border-color); }
.modal-header h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 22px; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.modal-close:hover { color: var(--accent-red); background: #FEE2E2; }
.modal-body { padding: 20px; overflow-y: auto; }

/* 表单 */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 5px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 9px 12px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 14px; transition: all 0.15s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(29,78,216,0.12); }
.form-row { display: flex; gap: 14px; }
.form-row .form-group { flex: 1; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* Toast */
.toast-container { position: fixed; top: 16px; right: 16px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 11px 18px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; box-shadow: 0 4px 16px rgba(0,0,0,0.15); animation: slideIn 0.3s ease; display: flex; align-items: center; gap: 8px; }
.toast-success { background: var(--accent-green); color: #fff; }
.toast-error { background: var(--accent-red); color: #fff; }
.toast-info { background: var(--primary); color: #fff; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 空状态 */
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-muted); font-size: 14px; }

/* 加载动画 */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; }
.loading-spinner { width: 30px; height: 30px; border: 3px solid var(--border-color); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 详情页 */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.detail-item { background: var(--bg-input); border-radius: var(--radius-sm); padding: 14px; }
.detail-item .label { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.detail-item .value { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* 操作按钮组 */
.action-btns { display: flex; gap: 5px; }
.action-btn { padding: 4px 8px; border: none; border-radius: 4px; font-size: 12px; cursor: pointer; transition: all 0.15s; }
.action-btn:hover { opacity: 0.85; }

/* 部门卡片 */
.dept-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.dept-card { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius); padding: 18px; cursor: pointer; transition: all 0.2s; text-align: center; }
.dept-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.dept-card .dept-icon { font-size: 28px; margin-bottom: 8px; }
.dept-card .dept-name { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.dept-card .dept-count { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* 订单明细行 */
.line-item-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; padding: 8px; background: var(--bg-input); border-radius: var(--radius-sm); }
.line-item-row input, .line-item-row select { padding: 6px 10px; border: 1px solid var(--border-color); border-radius: 4px; font-size: 13px; }
.line-item-row .li-product { flex: 2; }
.line-item-row .li-qty, .line-item-row .li-price { flex: 1; }
.line-item-row .li-subtotal { flex: 1; text-align: right; font-weight: 600; color: var(--primary); }
.line-item-row .li-remove { flex-shrink: 0; }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 响应式 */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-title, .nav-item span, .user-details { display: none; }
  .page-content { padding: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { flex-direction: column; gap: 0; }
}

/* ===== 产品详情三段式（新版布局） ===== */
.pd-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--border-color); margin-bottom: 4px; }
.pd-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-bg); color: var(--primary-dark); display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 500; flex-shrink: 0; }
.pd-title { flex: 1; }
.pd-name { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.pd-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.pd-section { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); margin: 16px 0 8px; letter-spacing: 0.5px; }
.pd-kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.kv-item { background: var(--bg-input); border-radius: 8px; padding: 9px 12px; }
.kv-label { font-size: 11.5px; color: var(--text-muted); margin-bottom: 3px; }
.kv-value { font-size: 13.5px; font-weight: 600; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.pd-more { margin-top: 8px; padding: 6px 14px; border: 1px solid var(--border-color); border-radius: 8px; background: #fff; color: var(--primary); font-size: 12.5px; cursor: pointer; transition: all 0.15s; }
.pd-more:hover { border-color: var(--primary); }
.pd-empty { font-size: 12.5px; color: var(--text-muted); padding: 6px 0; }

/* ===== 关联辅料表格（样板 v2：5 列 + 行内展开） ===== */
.aux-toolbar { display: flex; gap: 8px; margin-bottom: 8px; }
.aux-search { flex: 1; height: 30px; padding: 0 10px; border: 1px solid var(--border-color); border-radius: 6px; font-size: 12.5px; background: #fff; color: var(--text-primary); outline: none; }
.aux-toolbar select { height: 30px; padding: 0 8px; border: 1px solid var(--border-color); border-radius: 6px; font-size: 12.5px; background: #fff; color: var(--text-primary); outline: none; }
.aux-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.aux-table th { text-align: left; padding: 8px 10px; background: var(--bg-input); color: var(--text-muted); font-weight: 600; cursor: pointer; white-space: nowrap; user-select: none; }
.aux-table th:hover { color: var(--primary); }
.aux-table td { padding: 8px 10px; border-top: 1px solid var(--border-color); white-space: nowrap; }
.aux-row { cursor: pointer; }
.aux-row:hover td { background: #F5F9FF; }
.aux-code { font-family: monospace; color: var(--primary); }
.aux-name { font-weight: 600; }
.aux-detail td { background: var(--bg-input); padding: 12px 14px; }
.aux-detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px 16px; }
.aux-lbl { display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
.aux-val { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.aux-qty-low { color: #FF9800; }
.aux-qty-zero { color: #DC2626; }
.aux-empty { text-align: center; color: var(--text-muted); padding: 16px; }