:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --success: #059669;
  --success-light: #d1fae5;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --sidebar-w: 210px;
  --header-h: 56px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--gray-50); color: var(--gray-800); font-size: 14px; }
a { color: var(--primary); text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* Sidebar */
.sidebar { position: fixed; left:0; top:0; bottom:0; width: var(--sidebar-w); background: var(--gray-900); color: #fff; z-index: 100; display: flex; flex-direction: column; transition: transform .3s; }
.sidebar-brand { padding: 16px 20px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--gray-700); }
.sidebar-brand .icon { font-size: 28px; }
.sidebar-brand h1 { font-size: 16px; font-weight: 600; line-height: 1.3; }
.sidebar-brand small { font-size: 11px; color: var(--gray-400); font-weight: 400; }
.sidebar-nav { flex:1; overflow-y: auto; padding: 8px 0; }
.nav-section { padding: 16px 20px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-500); font-weight: 600; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--gray-300); cursor: pointer; transition: all .15s; border-left: 3px solid transparent; }
.nav-item:hover { background: var(--gray-800); color: #fff; }
.nav-item.active { background: rgba(37,99,235,.15); color: #fff; border-left-color: var(--primary); }
.nav-item .nav-icon { width: 20px; text-align: center; font-size: 16px; }
.nav-item .nav-badge { margin-left: auto; background: var(--danger); color: #fff; font-size: 11px; padding: 1px 6px; border-radius: 10px; }
.sidebar-footer { padding: 12px 20px; border-top: 1px solid var(--gray-700); font-size: 12px; color: var(--gray-500); }

/* Header */
.header { position: fixed; top:0; left: var(--sidebar-w); right:0; height: var(--header-h); background: #fff; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; padding: 0 24px; z-index: 90; gap: 16px; }
.header-title { font-size: 18px; font-weight: 600; color: var(--gray-900); }
.header-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-400); }
.header-breadcrumb a { color: var(--primary); cursor: pointer; }
.header-breadcrumb .sep { color: var(--gray-300); }
.header-search { margin-left: auto; position: relative; }
.header-search input { width: 260px; padding: 7px 12px 7px 38px; border: 1px solid var(--gray-200); border-radius: 20px; background: var(--gray-50); outline: none; transition: all .2s; }
.header-search input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.header-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--gray-400); display: flex; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-btn { background: none; border: none; font-size: 18px; padding: 6px; border-radius: 6px; color: var(--gray-500); }
.header-btn:hover { background: var(--gray-100); color: var(--gray-700); }

/* Lucide icon sizing */
.icon-sm { width: 15px; height: 15px; }
.icon-md { width: 18px; height: 18px; }
.icon-lg { width: 20px; height: 20px; }
.icon-xl { width: 22px; height: 22px; }
svg.icon-sm, svg.icon-md, svg.icon-lg, svg.icon-xl {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.btn svg,
.panel-header h2 svg,
.header-btn svg,
.user-dropdown-item svg,
.dash-quick-btn svg {
  vertical-align: middle;
  transform: translateY(1px);
}
.stat-card .stat-icon { font-size: unset; }
.sidebar-brand .brand-icon { width: 28px; height: 28px; color: var(--primary); }

/* Main */
.main { margin-left: var(--sidebar-w); margin-top: var(--header-h); padding: 24px; min-height: calc(100vh - var(--header-h)); }

/* Cards */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); display: flex; align-items: flex-start; gap: 14px; }
.stat-card .stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.stat-card .stat-info h3 { font-size: 24px; font-weight: 700; color: var(--gray-900); }
.stat-card .stat-info p { font-size: 13px; color: var(--gray-500); margin-top: 2px; }

/* Panel */
.panel { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 24px; }
.panel-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.panel-header h2 { font-size: 16px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; line-height: 1.2; }
.panel-body { padding: 20px; }
.panel-body.no-pad { padding: 0; }

/* Table */
.table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}
.table-wrap > table {
  min-width: max-content;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: center; vertical-align: middle; border-bottom: 1px solid var(--gray-100); white-space: nowrap; }
th { background: var(--gray-50); font-weight: 600; color: var(--gray-600); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top:0; }
tr:hover td { background: var(--gray-50); }

/* Badge */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-green { background: var(--success-light); color: var(--success); }
.badge-yellow { background: var(--warning-light); color: var(--warning); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 500; line-height: 1.2; border: 1px solid transparent; transition: all .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity:.9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity:.9; }
.btn-outline { background: #fff; border-color: var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.form-control { width: 100%; padding: 8px 12px; border: 1px solid var(--gray-300); border-radius: 6px; outline: none; transition: all .2s; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
select.form-control { appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Modal */
.modal-overlay { position: fixed; inset:0; background: rgba(0,0,0,.4); z-index: 200; display: flex; align-items: center; justify-content: center; opacity:0; pointer-events: none; transition: opacity .2s; }
.modal-overlay.show { opacity:1; pointer-events: auto; }
.modal { background: #fff; border-radius: 12px; width: 560px; max-width: 95vw; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform .2s; }
.modal-overlay.show .modal { transform: translateY(0); }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 20px; color: var(--gray-400); padding: 4px; }
.modal-close:hover { color: var(--gray-700); }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 8px; }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--gray-200); margin-bottom: 20px; }
.tab { padding: 10px 20px; cursor: pointer; font-weight: 500; color: var(--gray-500); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .15s; }
.tab:hover { color: var(--gray-700); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Filters */
.filters { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.filters select, .filters input { padding: 6px 12px; border: 1px solid var(--gray-300); border-radius: 6px; font-size: 13px; }

/* Empty state */
.empty { text-align: center; padding: 48px 20px; color: var(--gray-400); }
.empty .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty p { font-size: 14px; }

/* Toast */
.toast-container { position: fixed; top: 70px; right: 24px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: 8px; color: #fff; font-size: 13px; box-shadow: var(--shadow-lg); animation: toastIn .3s ease; min-width: 260px; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
@keyframes toastIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }

/* Formula editor page */
.formula-top-grid { display: grid; grid-template-columns: 1fr 340px; gap: 20px; margin-bottom: 20px; align-items: stretch; }
.formula-top-grid .formula-basic-panel,
.formula-top-grid .formula-summary-card { height: 100%; margin-bottom: 0; }
.formula-top-grid .formula-basic-panel { display: flex; flex-direction: column; }
.formula-top-grid .formula-basic-panel .panel-body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.formula-top-grid .formula-summary-card { display: flex; flex-direction: column; }
.formula-top-grid .formula-summary-card .summary-card-body { flex: 1; }

.formula-editor { display: grid; grid-template-columns: 1fr; gap: 20px; }
.formula-editor-full { grid-column: 1 / -1; }
.page#page-formula-edit { height: calc(100vh - var(--header-h) - 48px); flex-direction: column; overflow: hidden; }
.page#page-formula-edit.active { display: flex; }
.page#page-formula-edit > div:first-child { flex-shrink: 0; }
.formula-compact-panel { margin-bottom: 16px; }
.page#page-formula-edit .formula-main-panel {
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  box-shadow: var(--shadow);
  background: #fff;
  overflow: hidden;
}
.page#page-formula-edit .formula-compact-panel { flex-shrink: 0; }
.formula-compact-top { display: grid; grid-template-columns: 1fr 420px; gap: 14px; padding: 14px 16px; }
.formula-compact-left .form-group { margin-bottom: 10px; }
.formula-compact-right { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 8px; padding: 10px; }
.formula-mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin-bottom: 8px; }
.formula-mini-item { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--gray-600); background: #fff; border: 1px solid var(--gray-200); border-radius: 6px; padding: 6px 8px; }
.formula-mini-item strong { color: var(--gray-900); font-size: 12px; font-weight: 600; margin-left: 6px; }
.formula-compact-right .summary-alert { padding: 6px 2px 0; border-top: none; max-height: 44px; overflow: auto; }
.formula-compact-right .summary-alert .alert-item { padding: 2px 0; font-size: 11px; }
.page#page-formula-edit .formula-editor { flex: 1; min-height: 0; gap: 0; }
.page#page-formula-edit .formula-editor > div,
.page#page-formula-edit .formula-editor .panel { height: 100%; min-height: 0; margin-bottom: 0; }
.page#page-formula-edit .formula-editor .panel { display: flex; flex-direction: column; }
.page#page-formula-edit .formula-editor .panel-header { flex-shrink: 0; }
.page#page-formula-edit .formula-editor .panel-body.no-pad { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.formula-compose-layout { display: grid; grid-template-columns: 300px 1fr; gap: 0; }
.formula-compose-layout {
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.page#page-formula-edit .formula-main-panel .formula-compose-layout {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.page#page-formula-edit .formula-compose-layout { flex: 1; min-height: 0; }
.formula-compose-left { border-right: 1px solid var(--gray-200); background: #fbfcfe; display: flex; flex-direction: column; min-height: 0; }
.formula-compose-right { min-width: 0; display: flex; flex-direction: column; min-height: 0; }
.formula-material-tools { padding: 12px; border-bottom: 1px solid var(--gray-200); display: grid; gap: 8px; }
.formula-material-pool {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 8px;
  scroll-padding-bottom: 28px;
}
.formula-mat-item { width: 100%; text-align: left; border: 1px solid var(--gray-200); background: #fff; border-radius: 8px; padding: 10px; margin-bottom: 8px; }
.formula-material-pool .formula-mat-item:last-child { margin-bottom: 0; }
.formula-mat-item:hover { border-color: var(--primary); background: #f8fbff; }
.formula-mat-name { font-size: 13px; font-weight: 600; color: var(--gray-800); margin-bottom: 2px; }
.formula-mat-meta { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.formula-mat-stock { font-size: 12px; color: var(--success); }
.formula-mat-stock.warn { color: var(--danger); }
.formula-line-header, .formula-line {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) minmax(100px, .9fr) minmax(120px, .9fr) minmax(130px, 1fr) minmax(120px, .9fr) 44px;
  gap: 12px;
}
.formula-line-header { padding: 10px 16px; background: var(--gray-50); border-radius: 6px 6px 0 0; font-size: 12px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: .03em; border-bottom: 2px solid var(--gray-200); }
.formula-line-header > div { display: flex; align-items: center; }
.formula-line { padding: 10px 16px; align-items: center; border-bottom: 1px solid var(--gray-100); transition: background .1s; }
.formula-compose-right #formulaLines { flex: 1; min-height: 0; overflow: auto; }
.formula-line:hover { background: var(--gray-50); }
.formula-line.formula-line-invalid { background: #fff7ed; }
.formula-line select, .formula-line input { width: 100%; padding: 7px 10px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 13px; }
.formula-line select:focus, .formula-line input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 2px rgba(37,99,235,.1); }
.formula-line .line-material-name { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.formula-line .line-material-meta { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.formula-line .line-cost { background: var(--gray-50); color: var(--gray-600); }
.formula-line .line-remove { background: none; border: none; color: var(--gray-400); font-size: 18px; padding: 4px; border-radius: 4px; }
.formula-line .line-remove:hover { color: var(--danger); background: var(--danger-light); }
.formula-line .line-stock-ok,
.formula-line .line-stock-warn {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: var(--gray-50);
  font-size: 12px;
}
.formula-line .line-stock-ok { color: var(--success); }
.formula-line .line-stock-warn { color: var(--danger); font-weight: 500; }
.formula-line-add { padding: 12px 16px; }

/* Sidebar summary panel */
.formula-side-panel { position: sticky; top: 80px; }
.summary-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.summary-card-header { padding: 14px 18px; background: var(--gray-900); color: #fff; font-weight: 600; font-size: 14px; }
.summary-card-body { padding: 18px; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--gray-100); font-size: 13px; }
.summary-row:last-child { border-bottom: none; }
.summary-row .label { color: var(--gray-500); }
.summary-row .value { font-weight: 600; color: var(--gray-800); }
.summary-total { padding: 14px 18px; background: var(--gray-50); border-top: 2px solid var(--gray-200); }
.summary-total .big-num { font-size: 28px; font-weight: 700; color: var(--primary); }
.summary-total .unit { font-size: 13px; color: var(--gray-500); margin-left: 2px; }
.summary-alert { padding: 12px 18px; border-top: 1px solid var(--gray-100); }
.summary-alert .alert-item { display: flex; align-items: center; gap: 6px; padding: 4px 0; font-size: 12px; color: var(--danger); }
.pct-bar { height: 6px; background: var(--gray-200); border-radius: 3px; margin-top: 8px; overflow: hidden; }
.pct-bar-fill { height: 100%; border-radius: 3px; transition: width .3s; }
.pct-ok { background: var(--success); }
.pct-warn { background: var(--warning); }
.pct-over { background: var(--danger); }

/* Formula detail view */
.formula-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.formula-detail-item { background: var(--gray-50); border-radius: 8px; padding: 14px 16px; }
.formula-detail-item .fd-label { font-size: 11px; color: var(--gray-400); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.formula-detail-item .fd-value { font-size: 16px; font-weight: 600; color: var(--gray-800); }
.formula-composition-bar { display: flex; height: 32px; border-radius: 6px; overflow: hidden; margin-bottom: 16px; }
.formula-composition-bar > div { display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; color: #fff; overflow: hidden; transition: width .3s; }
.formula-cost-chart { margin-top: 16px; }
.cost-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.cost-bar-label { width: 120px; font-size: 12px; color: var(--gray-600); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cost-bar-track { flex: 1; height: 20px; background: var(--gray-100); border-radius: 4px; overflow: hidden; position: relative; }
.cost-bar-fill { height: 100%; border-radius: 4px; transition: width .4s; display: flex; align-items: center; padding-left: 6px; font-size: 11px; color: #fff; font-weight: 500; }
.cost-bar-value { margin-left: 8px; font-size: 12px; color: var(--gray-500); white-space: nowrap; }

/* Page sections */
.page { display: none; }
.page.active { display: block; }

/* Progress bar */
.progress { height: 8px; background: var(--gray-200); border-radius: 4px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 4px; transition: width .3s; }

/* Low stock indicator */
.low-stock { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.5; } }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: 100px 1fr; gap: 8px 16px; }
.detail-grid dt { color: var(--gray-500); font-weight: 500; }
.detail-grid dd { color: var(--gray-800); }

.ticket-preview {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: #fff;
  min-height: 280px;
  overflow: auto;
  padding: 10px;
}
.ticket-sheet {
  width: 1120px;
  margin: 0 auto;
  border: 1px solid #1f2937;
  background: #fff;
  font-size: 12px;
  color: #111827;
}
.ticket-head {
  padding: 10px 12px;
  border-bottom: 1px solid #1f2937;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}
.ticket-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}
.ticket-meta {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 12px;
  align-items: center;
}
.ticket-block {
  padding: 8px 10px;
  border-bottom: 1px solid #1f2937;
}
.ticket-table {
  width: 100%;
  border-collapse: collapse;
}
.ticket-table th, .ticket-table td {
  border: 1px solid #1f2937;
  padding: 5px 6px;
  text-align: center;
  white-space: nowrap;
}
.ticket-table th { background: #f3f4f6; font-weight: 600; }
.ticket-port {
  background: #eef2ff;
  font-weight: 700;
}
.ticket-sign {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 12px;
}
.ticket-sign > div { border-top: 1px solid #1f2937; padding-top: 6px; text-align: center; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .header { left: 0; }
  .main { margin-left: 0; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: 1fr 1fr; }
  .formula-compact-top { grid-template-columns: 1fr; }
  .formula-mini-grid { grid-template-columns: 1fr; }
  .formula-top-grid { grid-template-columns: 1fr; }
  .formula-editor { grid-template-columns: 1fr; }
  .formula-compose-layout { grid-template-columns: 1fr; }
  .formula-compose-left { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .formula-line-header, .formula-line { grid-template-columns: 1fr 1fr; }
}

/* Login page - v2 animated */
.login-page { position: fixed; inset: 0; z-index: 500; overflow: hidden; }
.login-page.hidden { display: none; }

/* Animated gradient background */
.login-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #0c1222 0%, #0f1b3d 25%, #162550 50%, #0d1a36 75%, #0a0f1e 100%); }
.login-bg::before, .login-bg::after { content: ''; position: absolute; border-radius: 50%; filter: blur(80px); opacity: .4; animation: floatBlob 20s ease-in-out infinite; }
.login-bg::before { width: 600px; height: 600px; background: radial-gradient(circle, #2563eb 0%, transparent 70%); top: -200px; left: -100px; }
.login-bg::after { width: 500px; height: 500px; background: radial-gradient(circle, #7c3aed 0%, transparent 70%); bottom: -150px; right: -100px; animation-delay: -10s; }
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -40px) scale(1.1); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* Floating particles */
.login-particles { position: absolute; inset: 0; overflow: hidden; }
.login-particles span { position: absolute; display: block; background: rgba(255,255,255,.06); border-radius: 50%; animation: particleFloat linear infinite; }
.login-particles span:nth-child(1) { width: 80px; height: 80px; left: 10%; animation-duration: 25s; animation-delay: 0s; }
.login-particles span:nth-child(2) { width: 40px; height: 40px; left: 20%; animation-duration: 20s; animation-delay: 2s; }
.login-particles span:nth-child(3) { width: 60px; height: 60px; left: 35%; animation-duration: 28s; animation-delay: 4s; }
.login-particles span:nth-child(4) { width: 100px; height: 100px; left: 50%; animation-duration: 22s; animation-delay: 1s; }
.login-particles span:nth-child(5) { width: 35px; height: 35px; left: 65%; animation-duration: 18s; animation-delay: 3s; }
.login-particles span:nth-child(6) { width: 70px; height: 70px; left: 75%; animation-duration: 26s; animation-delay: 5s; }
.login-particles span:nth-child(7) { width: 50px; height: 50px; left: 85%; animation-duration: 24s; animation-delay: 0s; }
.login-particles span:nth-child(8) { width: 45px; height: 45px; left: 5%; animation-duration: 30s; animation-delay: 6s; }
.login-particles span:nth-child(9) { width: 90px; height: 90px; left: 42%; animation-duration: 21s; animation-delay: 7s; }
.login-particles span:nth-child(10) { width: 55px; height: 55px; left: 92%; animation-duration: 27s; animation-delay: 2s; }
@keyframes particleFloat {
  0% { transform: translateY(110vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

/* Grid pattern overlay */
.login-grid { position: absolute; inset: 0; background-image:
  linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Login content layout */
.login-content { position: relative; z-index: 2; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 40px; }

/* Left branding panel */
.login-brand { flex: 1; max-width: 520px; padding-right: 60px; color: #fff; }
.login-brand-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
.login-brand-logo .logo-icon { width: 48px; height: 48px; background: rgba(37,99,235,.2); border: 1px solid rgba(37,99,235,.3); border-radius: 14px; display: flex; align-items: center; justify-content: center; }
.login-brand-logo .logo-icon svg { width: 28px; height: 28px; color: #60a5fa; }
.login-brand-logo .logo-text { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.login-brand h1 { font-size: 36px; font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.login-brand h1 span { background: linear-gradient(135deg, #60a5fa, #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.login-brand p { font-size: 15px; color: rgba(255,255,255,.55); line-height: 1.7; margin-bottom: 32px; }

.login-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.login-feature { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 18px; transition: all .3s; }
.login-feature:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); transform: translateY(-2px); }
.login-feature .feat-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.login-feature .feat-icon svg { width: 18px; height: 18px; }
.login-feature h4 { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.login-feature p { font-size: 11px; color: rgba(255,255,255,.4); line-height: 1.4; }

/* Right login card */
.login-card { width: 440px; flex-shrink: 0; background: rgba(255,255,255,.07); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; overflow: hidden; box-shadow: 0 25px 60px rgba(0,0,0,.3); animation: cardIn .6s ease-out; }
@keyframes cardIn { from { opacity: 0; transform: translateY(30px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }

.login-header { padding: 36px 36px 0; text-align: center; }
.login-header .brand-icon { width: 52px; height: 52px; color: #60a5fa; margin-bottom: 16px; filter: drop-shadow(0 0 12px rgba(96,165,250,.3)); }
.login-header h2 { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.login-header p { color: rgba(255,255,255,.45); font-size: 13px; }

.login-body { padding: 28px 36px; }
.login-body label { color: rgba(255,255,255,.6); font-size: 13px; font-weight: 500; }
.login-body .form-group { margin-bottom: 20px; }
.login-body .form-control { padding: 13px 16px; font-size: 15px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: #fff; border-radius: 10px; transition: all .3s; }
.login-body .form-control::placeholder { color: rgba(255,255,255,.3); }
.login-body .form-control:focus { border-color: #60a5fa; background: rgba(255,255,255,.1); box-shadow: 0 0 0 3px rgba(96,165,250,.15); }
.login-body .btn { width: 100%; justify-content: center; padding: 13px; font-size: 15px; font-weight: 600; border-radius: 10px; background: linear-gradient(135deg, #2563eb, #7c3aed); border: none; color: #fff; cursor: pointer; transition: all .3s; position: relative; overflow: hidden; }
.login-body .btn::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, #3b82f6, #8b5cf6); opacity: 0; transition: opacity .3s; }
.login-body .btn:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(37,99,235,.35); }
.login-body .btn:hover::before { opacity: 1; }
.login-body .btn span { position: relative; z-index: 1; }

.login-error { color: #f87171; font-size: 13px; text-align: center; margin-bottom: 12px; display: none; padding: 10px; background: rgba(248,113,113,.1); border-radius: 8px; border: 1px solid rgba(248,113,113,.2); }

.login-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: rgba(255,255,255,.25); font-size: 12px; }
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: rgba(255,255,255,.1); }

.login-accounts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.login-account-btn { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 8px; padding: 10px; cursor: pointer; text-align: center; transition: all .2s; color: rgba(255,255,255,.6); font-size: 12px; }
.login-account-btn:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); color: #fff; }
.login-account-btn strong { display: block; font-size: 13px; color: rgba(255,255,255,.8); margin-bottom: 2px; }

.login-footer { text-align: center; padding: 0 36px 28px; font-size: 11px; color: rgba(255,255,255,.25); }

/* Responsive */
@media (max-width: 900px) {
  .login-brand { display: none; }
  .login-content { padding: 20px; }
  .login-card { width: 100%; max-width: 420px; }
}

/* User avatar in header */
.user-menu { position: relative; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; cursor: pointer; border: 2px solid var(--gray-200); }
.user-avatar:hover { border-color: var(--primary); }
.user-dropdown { position: absolute; top: 42px; right: 0; background: #fff; border-radius: 10px; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); width: 200px; display: none; z-index: 150; overflow: hidden; }
.user-dropdown.show { display: block; }
.user-dropdown-header { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); }
.user-dropdown-header .name { font-weight: 600; font-size: 14px; }
.user-dropdown-header .role { font-size: 12px; color: var(--gray-400); }
.user-dropdown-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; cursor: pointer; font-size: 13px; color: var(--gray-600); transition: background .15s; }
.user-dropdown-item:hover { background: var(--gray-50); color: var(--gray-900); }
.user-dropdown-item svg { width: 16px; height: 16px; }
.user-dropdown-divider { height: 1px; background: var(--gray-100); }
.user-dropdown-item.danger { color: var(--danger); }
.user-dropdown-item.danger:hover { background: var(--danger-light); }

/* Profile page */
.profile-grid { display: grid; grid-template-columns: 300px 1fr; gap: 24px; }
.profile-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; padding: 32px 24px; }
.profile-avatar-lg { width: 80px; height: 80px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; margin: 0 auto 16px; }
.profile-name { font-size: 18px; font-weight: 600; }
.profile-role { font-size: 13px; color: var(--gray-400); margin-top: 4px; }
.profile-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.profile-stat { background: var(--gray-50); border-radius: 8px; padding: 12px; }
.profile-stat .num { font-size: 20px; font-weight: 700; color: var(--gray-900); }
.profile-stat .label { font-size: 11px; color: var(--gray-400); text-transform: uppercase; }

/* Activity log */
.activity-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; }
.activity-text { font-size: 13px; color: var(--gray-600); }
.activity-time { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* Dashboard v2 */
.dash-welcome { background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 60%, #3b82f6 100%); border-radius: 12px; padding: 28px 32px; color: #fff; margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
.dash-welcome h2 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.dash-welcome p { opacity: .8; font-size: 14px; }
.dash-welcome-right { text-align: right; }
.dash-welcome-right .date { font-size: 15px; font-weight: 600; }
.dash-welcome-right .time { font-size: 13px; opacity: .7; }
.dash-quick-actions { display: flex; gap: 10px; margin-top: 14px; }
.dash-quick-btn { background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.2); color: #fff; padding: 7px 14px; border-radius: 6px; font-size: 12px; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: background .15s; }
.dash-quick-btn:hover { background: rgba(255,255,255,.25); }
.dash-quick-btn svg { width: 14px; height: 14px; }

.dash-kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.dash-kpi { background: #fff; border-radius: 10px; padding: 20px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.dash-kpi::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.dash-kpi.kpi-primary::after { background: var(--primary); }
.dash-kpi.kpi-success::after { background: var(--success); }
.dash-kpi.kpi-warning::after { background: var(--warning); }
.dash-kpi.kpi-danger::after { background: var(--danger); }
.dash-kpi .kpi-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.dash-kpi .kpi-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.dash-kpi .kpi-trend { font-size: 11px; padding: 2px 6px; border-radius: 4px; font-weight: 600; }
.dash-kpi .kpi-trend.up { background: var(--success-light); color: var(--success); }
.dash-kpi .kpi-trend.down { background: var(--danger-light); color: var(--danger); }
.dash-kpi .kpi-trend.flat { background: var(--gray-100); color: var(--gray-500); }
.dash-kpi .kpi-value { font-size: 28px; font-weight: 800; color: var(--gray-900); line-height: 1; }
.dash-kpi .kpi-label { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.dash-kpi .kpi-spark { margin-top: 10px; }
.dash-kpi .kpi-spark svg { width: 100%; height: 30px; }

.dash-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.dash-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.dash-grid-21 { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 24px; }

/* Donut chart */
.donut-chart { display: flex; align-items: center; gap: 24px; padding: 12px 0; }
.donut-svg { width: 140px; height: 140px; flex-shrink: 0; }
.donut-legend { flex: 1; }
.donut-legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.donut-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.donut-legend-label { font-size: 13px; color: var(--gray-600); }
.donut-legend-value { margin-left: auto; font-size: 13px; font-weight: 600; color: var(--gray-800); }

/* Order pipeline */
.pipeline { display: flex; gap: 0; margin: 12px 0; }
.pipeline-step { flex: 1; text-align: center; position: relative; }
.pipeline-bar { height: 32px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: #fff; border-radius: 6px; position: relative; }
.pipeline-step:not(:last-child) .pipeline-bar { margin-right: 28px; }
.pipeline-step:not(:last-child) .pipeline-bar::after { content: ''; position: absolute; right: -14px; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left: 8px solid; }
.pipeline-label { font-size: 11px; color: var(--gray-500); margin-top: 6px; }
.pipeline-arrow { display: flex; align-items: center; color: var(--gray-300); margin: 0 -8px; font-size: 18px; z-index: 1; }

/* Top materials bar */
.top-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.top-bar-name { width: 130px; font-size: 12px; color: var(--gray-600); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top-bar-track { flex: 1; height: 22px; background: var(--gray-100); border-radius: 4px; overflow: hidden; }
.top-bar-fill { height: 100%; border-radius: 4px; display: flex; align-items: center; padding-left: 8px; font-size: 11px; color: #fff; font-weight: 600; transition: width .6s ease; }
.top-bar-val { font-size: 12px; color: var(--gray-500); white-space: nowrap; width: 70px; }

/* Formula cost rank */
.cost-rank-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--gray-100); }
.cost-rank-item:last-child { border-bottom: none; }
.cost-rank-num { width: 24px; height: 24px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff; flex-shrink: 0; }
.cost-rank-name { flex: 1; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cost-rank-val { font-size: 13px; font-weight: 600; color: var(--gray-800); }

/* Order status mini */
.status-mini { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; }