:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dde2ea;
  --border-strong: #cbd3df;
  --text: #1d2430;
  --text-2: #4b5565;
  --text-3: #7a8494;
  --accent: #285f8f;
  --accent-weak: #e7f0f7;
  --success: #217a4b;
  --danger: #b3362d;
  --warning: #a36516;
  --purple: #7547a8;
  --shadow: 0 12px 28px rgba(21, 32, 48, 0.14);
  --font-ui: "Segoe UI", "Aptos", system-ui, sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-ui);
  color: var(--text);
  background: var(--bg);
  font-size: 13px;
}

button, input, select {
  font: inherit;
}

button {
  cursor: pointer;
}

.boot-screen, .boot-error {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--text-2);
}

.login-page {
  background:
    linear-gradient(135deg, rgba(40, 95, 143, 0.08), transparent 38%),
    linear-gradient(315deg, rgba(33, 122, 75, 0.09), transparent 42%),
    var(--bg);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.login-kicker {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-panel h1 {
  margin: 8px 0;
  font-size: 28px;
  letter-spacing: 0;
}

.login-copy {
  margin: 0 0 22px;
  color: var(--text-2);
  line-height: 1.5;
}

.login-form, .modal {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
}

input, select {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 7px 10px;
}

input:focus, select:focus {
  outline: 2px solid rgba(40, 95, 143, 0.18);
  border-color: var(--accent);
}

.app {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
  background: #fbfcfd;
  padding: 18px 14px;
}

.brand {
  display: grid;
  gap: 3px;
  padding: 4px 8px 18px;
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-title {
  font-weight: 700;
  font-size: 15px;
  display: block;
}

.brand-sub {
  color: var(--text-3);
  font-size: 11px;
  display: block;
}

.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  padding: 7px 8px;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text-2);
}

.mobile-menu-btn span + span {
  margin-top: 5px;
}

.nav-section {
  padding: 14px 8px 7px;
  color: var(--text-3);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-2);
  padding: 8px;
  text-align: left;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-weak);
  color: var(--accent);
  font-weight: 700;
}

.count, .nav-item .count {
  font-family: var(--font-mono);
  color: var(--text-3);
  font-size: 11px;
}

.main {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(247, 248, 250, 0.96);
  backdrop-filter: blur(8px);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
}

.breadcrumb strong {
  color: var(--text);
}

.sep {
  color: var(--text-3);
}

.topbar-spacer {
  flex: 1;
}

.search {
  position: relative;
  width: 300px;
}

.search input {
  width: 100%;
  padding-left: 30px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #315f4c, #3a6f99);
  color: white;
  font-size: 11px;
  font-weight: 700;
}

.content {
  padding: 24px 24px 32px;
}

.content.page-dashboard {
  min-height: calc(100vh - 57px);
  display: flex;
  flex-direction: column;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}

.page-title {
  margin: 0 0 5px;
  font-size: 23px;
  letter-spacing: 0;
}

.page-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.btn, .mini-btn, .text-btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  min-height: 32px;
  padding: 7px 11px;
  font-weight: 650;
}

.btn:hover, .mini-btn:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.btn.primary, .mini-btn.primary {
  background: var(--text);
  border-color: var(--text);
  color: white;
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}

.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.btn.wide {
  width: 100%;
  justify-content: center;
}

.text-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  padding-inline: 0;
}

.mini-btn {
  min-height: 26px;
  padding: 4px 9px;
  font-size: 12px;
}

.action-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--border);
  margin-bottom: 18px;
}

.kpi {
  background: var(--surface);
  padding: 14px 16px;
}

.kpi-label {
  color: var(--text-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.kpi-value {
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
}

.kpi-delta {
  margin-top: 5px;
  color: var(--text-3);
  font-size: 11.5px;
}

.kpi-delta.up { color: var(--success); }
.kpi-delta.down { color: var(--danger); }

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.mobile-filter-toggle {
  display: none;
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 10px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.filter-panel label {
  min-width: 0;
}

.filter-panel input,
.filter-panel select {
  width: 100%;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-2);
}

.chip.active {
  background: var(--text);
  border-color: var(--text);
  color: white;
}

.chip span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  opacity: 0.72;
}

.filter-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
}

.table-wrap {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.tbl-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
}

.tbl {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.wide-table {
  min-width: 860px;
}

.tbl th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.tbl th.sortable {
  cursor: pointer;
}

.tbl td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.tbl tr:hover td {
  background: #fbfcfd;
}

.right { text-align: right; }
.center { text-align: center; }

.row-mark {
  width: 4px;
  padding: 0 !important;
}

.row-status-bar {
  display: block;
  width: 4px;
  min-height: 44px;
}

.prod-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
}

.prod-thumb {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(40, 95, 143, 0.1), transparent 50%),
    repeating-linear-gradient(135deg, transparent 0 5px, #edf0f4 5px 6px);
  flex: none;
}

.prod-thumb.large {
  width: 40px;
  height: 40px;
}

.prod-name {
  font-weight: 700;
}

.prod-variant, .muted, .wh-sub {
  color: var(--text-3);
}

.sku, .price, .qty, .total-cell {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.sku {
  color: var(--text-3);
  font-size: 11px;
}

.cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 5px;
  padding: 3px 7px;
  font-size: 11px;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--text-2);
}

.cat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.cat-apparel .cat-dot { background: #7b5b2e; }
.cat-home .cat-dot { background: #347a63; }
.cat-beauty .cat-dot { background: #a0476e; }
.cat-toys .cat-dot { background: #b1841f; }
.cat-grocery .cat-dot { background: #4f7d2d; }
.cat-office .cat-dot { background: #486a9e; }
.cat-fitness .cat-dot { background: #b34b35; }

.stk {
  text-align: center;
  min-width: 74px;
  padding: 0 !important;
  border-left: 1px solid var(--border);
}

.stk-inner {
  width: 100%;
  min-height: 46px;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
}

.stk-status {
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stk[data-status="critical"] .stk-inner, .row-status-bar.critical { background: #f4d8d5; color: var(--danger); }
.stk[data-status="low"] .stk-inner, .row-status-bar.low { background: #f8e6dc; color: #9e3c19; }
.stk[data-status="almost"] .stk-inner, .row-status-bar.almost { background: #faedcf; color: var(--warning); }
.stk[data-status="discrepancy"] .stk-inner, .row-status-bar.discrepancy { background: #eadff4; color: var(--purple); }
.stk[data-status="over"] .stk-inner, .row-status-bar.over { background: #dfeaf2; color: #315f8e; }
.row-status-bar.healthy { background: transparent; }

.tbl-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  background: var(--surface-2);
  color: var(--text-2);
}

.dashboard-grid, .warehouse-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.dashboard-grid {
  margin-bottom: 10px;
}

.content.page-dashboard .dashboard-grid {
  flex: 1;
  align-items: stretch;
  min-height: 0;
}

.warehouse-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.warehouse-region {
  margin-bottom: 12px;
}

.manager-link {
  display: inline-flex;
  width: fit-content;
  border: 0;
  background: transparent;
  color: var(--accent);
  padding: 0;
  margin: 2px 0 4px;
  font-weight: 700;
  text-align: left;
}

.manager-link:hover {
  text-decoration: underline;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.dashboard-grid .panel {
  min-height: 0;
}

.attention-panel,
.workflows-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel-head, .warehouse-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.panel h2, .warehouse-title h2 {
  margin: 0;
  font-size: 15px;
}

.compact-list, .activity-list {
  display: grid;
  gap: 8px;
}

.compact-list {
  max-height: 440px;
  overflow-y: auto;
  padding-right: 4px;
}

.attention-panel .compact-list {
  flex: 1;
  max-height: none;
  min-height: 0;
}

.compact-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  padding: 10px;
  text-align: left;
}

.compact-row > .st-pill {
  flex: 0 0 74px;
  width: 74px;
}

.compact-row small {
  display: block;
  color: var(--text-3);
  margin-top: 2px;
}

.compact-main {
  display: grid;
  gap: 2px;
}

.compact-warnings {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 5px;
}

.warning-chip {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.warning-chip.critical, .warning-chip.low { background: #f8e0dc; color: var(--danger); }
.warning-chip.almost { background: #faedcf; color: var(--warning); }
.warning-chip.discrepancy { background: #eadff4; color: var(--purple); }
.warning-chip.over { background: #dfeaf2; color: #315f8e; }

.workflow-list {
  display: grid;
  gap: 8px;
}

.workflow-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.workflow-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 0;
  background: var(--bg);
  padding: 12px;
  color: var(--text);
  font-weight: 700;
  text-align: left;
}

.workflow-toggle::after {
  content: "+";
  color: var(--text-3);
  margin-left: 10px;
}

.workflow-item.open .workflow-toggle::after {
  content: "-";
}

.workflow-toggle strong {
  font-family: var(--font-mono);
  margin-left: auto;
}

.workflow-body {
  display: grid;
  gap: 8px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--border);
  min-height: 0;
}

.workflow-scroll {
  display: grid;
  gap: 8px;
}

.workflow-scroll.expanded {
  max-height: 360px;
  overflow-y: auto;
  padding-right: 4px;
}

.workflow-detail {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-2);
}

.workflow-detail strong {
  display: block;
  color: var(--text);
}

.workflow-detail small {
  display: block;
  color: var(--text-3);
  margin-top: 2px;
}

.workflow-more {
  justify-self: start;
  min-height: 24px;
  padding: 2px 0;
}

.drawer-scrim, .modal-scrim {
  position: fixed;
  inset: 0;
  background: rgba(22, 31, 43, 0.34);
  z-index: 50;
}

.drawer-scrim.elevated {
  z-index: 85;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(500px, 100vw);
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 60;
  overflow-y: auto;
}

.drawer.elevated {
  z-index: 90;
}

.drawer-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.drawer-title-wrap {
  min-width: 0;
  flex: 1;
}

.drawer-title {
  margin: 0;
  font-size: 16px;
}

.drawer-sub {
  margin-top: 3px;
  color: var(--text-3);
}

.drawer-close {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-2);
}

.drawer-body {
  padding: 16px 20px 22px;
}

.drw-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.drw-fact {
  background: var(--surface);
  padding: 10px 12px;
}

.fact-button {
  width: 100%;
  border: 0;
  text-align: left;
  color: inherit;
}

.fact-button:hover {
  background: var(--accent-weak);
}

.drw-fact-label, .drw-section-label {
  color: var(--text-3);
  font-size: 10.5px;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.drw-fact-value {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.drw-section-label {
  margin: 18px 0 8px;
}

.drw-wh-list {
  display: grid;
  gap: 5px;
}

.drw-wh-row {
  display: grid;
  grid-template-columns: 34px 1fr auto auto;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border-radius: 6px;
  padding: 8px 10px;
}

.wh-code {
  font-family: var(--font-mono);
  color: var(--text-2);
}

.wh-name {
  font-weight: 700;
}

.wh-sub {
  margin-left: 6px;
  font-size: 11px;
}

.drw-action-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.st-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.st-pill.critical, .st-pill.low { background: #f8e0dc; color: var(--danger); }
.st-pill.almost { background: #faedcf; color: var(--warning); }
.st-pill.discrepancy { background: #eadff4; color: var(--purple); }
.st-pill.over { background: #dfeaf2; color: #315f8e; }
.st-pill.ordered, .st-pill.shipped { background: #e3edf7; color: var(--accent); }
.st-pill.received { background: #dff0e7; color: var(--success); }

.modal-scrim {
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 80;
}

.modal {
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-head h2 {
  margin: 0;
  font-size: 17px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.warehouse-issues-modal {
  width: min(680px, 100%);
  height: 90vh;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.manager-modal {
  width: min(540px, 100%);
}

.modal-sub {
  margin: 4px 0 0;
  color: var(--text-3);
  font-size: 12px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--border);
}

.contact-card {
  background: var(--surface);
  padding: 11px 12px;
}

.contact-grid .wide {
  grid-column: 1 / -1;
}

.contact-card span {
  display: block;
  color: var(--text-3);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.contact-card strong {
  display: block;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.modal-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 4px;
}

.issue-list {
  display: grid;
  align-content: start;
  gap: 8px;
  overflow-y: auto;
  padding-right: 4px;
}

.issue-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  padding: 10px;
  text-align: left;
}

.issue-row:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.issue-row small {
  display: block;
  color: var(--text-3);
  margin-top: 2px;
}

.issue-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  color: var(--text-3);
  text-align: center;
}

.reorder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.activity-item {
  display: grid;
  grid-template-columns: 150px 160px 1fr;
  gap: 12px;
  align-items: start;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.activity-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
}

.activity-scroll .activity-list {
  min-width: 760px;
}

.activity-time {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
}

.settings-panel {
  max-width: 620px;
}

.reset-box {
  margin-top: 14px;
  border: 1px solid #efc8c4;
  border-radius: 8px;
  background: #fff7f6;
  padding: 14px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  background: #172231;
  color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 11px 14px;
}

@media (max-width: 1100px) {
  .warehouse-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .filter-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
    box-shadow: 0 8px 18px rgba(21, 32, 48, 0.08);
  }

  .brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0;
  }

  .mobile-menu-btn {
    display: block;
    flex: none;
  }

  .sidebar .nav-section,
  .sidebar .nav-item {
    display: none;
  }

  .sidebar.open .nav-section,
  .sidebar.open .nav-item {
    display: flex;
  }

  .sidebar.open .nav-section {
    display: block;
    padding-top: 16px;
  }

  .topbar {
    position: static;
    flex-wrap: wrap;
  }

  .search {
    width: 100%;
    order: 5;
  }

  .content {
    padding: 16px 16px 28px;
  }

  .filter-section {
    margin-bottom: 10px;
  }

  .mobile-filter-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 38px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    padding: 9px 11px;
    font-weight: 750;
  }

  .mobile-filter-toggle span {
    color: var(--text-3);
    font-family: var(--font-mono);
  }

  .filter-section .filter-bar,
  .filter-section .filter-panel {
    display: none;
    margin-top: 8px;
  }

  .filter-section.open .filter-bar {
    display: flex;
  }

  .filter-section.open .filter-panel {
    display: grid;
  }

  .dashboard-grid, .warehouse-grid, .kpi-row {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    grid-template-columns: 1fr;
  }

  .activity-item {
    grid-template-columns: 1fr;
  }

  .reorder-grid {
    grid-template-columns: 1fr;
  }
}