:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface2: #1f2937;
  --border: rgba(255,255,255,.1);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #2563eb;
  --success: #16a34a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

.hidden { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, rgba(37,99,235,.22), transparent 34%), var(--bg);
}

.login-card {
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(17,24,39,.94);
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}

.login-card h1 { margin: 0; font-size: 28px; }
.login-card p { margin: 0 0 10px; color: var(--muted); }

.inp {
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  font-size: 15px;
}

.btn {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.btn.primary { background: var(--accent); border-color: var(--accent); }
.btn.success { background: var(--success); border-color: var(--success); }
.btn.danger { background: #dc2626; border-color: #ef4444; }
.btn.wide { width: 100%; }
.error { min-height: 18px; color: #f87171; font-size: 13px; }

.app-screen { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(15,23,42,.96);
}
.topbar span { color: var(--muted); margin-left: 8px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.offline-status {
  padding: 7px 9px;
  border: 1px solid rgba(22,163,74,.35);
  border-radius: 8px;
  background: rgba(22,163,74,.12);
  color: #86efac !important;
  font-size: 12px;
  font-weight: 900;
}

.offline-status.offline {
  border-color: rgba(245,158,11,.45);
  background: rgba(245,158,11,.14);
  color: #fbbf24 !important;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,.04);
}

.nav-btn {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.nav-btn.active {
  border-color: rgba(37,99,235,.45);
  background: rgba(37,99,235,.18);
  color: var(--text);
}

.configurator-screen {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  background: #0b1120;
}

.config-sidebar {
  padding: 12px;
  border-right: 1px solid var(--border);
  background: rgba(17,24,39,.94);
}

.config-tab {
  width: 100%;
  min-height: 44px;
  margin-bottom: 8px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.config-tab.active {
  border-color: var(--border);
  background: var(--surface2);
  color: var(--text);
}

.config-main {
  min-width: 0;
  overflow: auto;
  padding: 18px;
}

.config-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.config-heading h2 {
  margin: 0;
  font-size: 24px;
}

.config-heading p {
  margin: 6px 0 0;
  color: var(--muted);
}

.config-context {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.config-context span {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.04);
  font-size: 13px;
  font-weight: 800;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.metric-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.metric-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: 28px;
}

.control-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(17,24,39,.98);
}

.control-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.control-card h3 {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
}

.designer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 12px;
  margin-top: 12px;
}

.designer-card {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.designer-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.designer-head h3 {
  margin: 0;
  font-size: 16px;
}

.designer-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.designer-toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.designer-toolbar .btn {
  min-width: 0;
}

.mini-inp {
  min-width: 64px;
}

.floor-canvas {
  position: relative;
  height: 460px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    #0f172a;
  background-size: 32px 32px;
}

.floor-table-node {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 56px;
  min-height: 56px;
  padding: 8px;
  border: 2px solid rgba(37,99,235,.78);
  border-radius: 999px;
  background: rgba(37,99,235,.22);
  color: var(--text);
  font-weight: 900;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.floor-table-node.rectangle,
.floor-table-node.square {
  border-radius: 10px;
}

.floor-table-node:active {
  cursor: grabbing;
}

.touch-grid-preview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 72px;
  gap: 8px;
  min-height: 320px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0f172a;
}

.touch-button-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  color: white;
  text-align: center;
  font-weight: 900;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.touch-button-preview:active {
  cursor: grabbing;
}

.touch-button-preview.dragging {
  outline: 2px solid rgba(255,255,255,.72);
  outline-offset: 2px;
}

.pos-layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 330px;
  gap: 12px;
  padding: 12px;
}

.floor-panel,
.menu-panel,
.order-panel {
  min-width: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 12px;
}

.panel-title {
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 800;
}

.context-select {
  width: 100%;
  margin-bottom: 12px;
}

.shift-box {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,.035);
}

.shift-status {
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--surface2);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.shift-status.open {
  color: #86efac;
  background: rgba(22,163,74,.16);
}

.shift-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.table-grid,
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 10px;
}

.table-card,
.item-card,
.category-chip {
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  border-radius: 10px;
  padding: 14px 10px;
  min-height: 74px;
  cursor: pointer;
  text-align: left;
  font-weight: 800;
}

.table-card small,
.item-card small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 600;
}

.table-card span {
  display: block;
}

.table-status-free {
  border-color: rgba(22,163,74,.42);
  background: linear-gradient(135deg, rgba(22,163,74,.16), var(--surface2));
}

.table-status-open,
.table-status-occupied,
.table-status-sent,
.table-status-ordered {
  border-color: rgba(245,158,11,.5);
  background: linear-gradient(135deg, rgba(245,158,11,.18), var(--surface2));
}

.table-status-printed {
  border-color: rgba(59,130,246,.52);
  background: linear-gradient(135deg, rgba(59,130,246,.2), var(--surface2));
}

.table-status-paid {
  border-color: rgba(20,184,166,.52);
  background: linear-gradient(135deg, rgba(20,184,166,.18), var(--surface2));
}

.table-status-locked {
  border-color: rgba(239,68,68,.5);
  background: linear-gradient(135deg, rgba(239,68,68,.18), var(--surface2));
}

.table-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37,99,235,.25);
}

.category-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 12px;
}

.lookup-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-bottom: 12px;
}

.category-chip {
  min-height: 42px;
  flex: 0 0 auto;
}

.order-summary {
  color: var(--muted);
  margin-bottom: 12px;
}

.small-title {
  margin-top: 14px;
  margin-bottom: 8px;
  font-size: 12px;
}

.open-checks-box {
  margin-bottom: 14px;
}

.open-checks {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow: auto;
}

.open-check-card {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  text-align: left;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.open-check-main {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.open-check-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37,99,235,.22);
}

.open-check-card span,
.open-check-card small {
  display: block;
}

.open-check-card span {
  font-weight: 900;
}

.open-check-card small,
.empty-note {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.order-items {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.order-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface2);
}

.order-line > div:first-child {
  min-width: 0;
  flex: 1;
}

.order-line span {
  display: block;
  font-weight: 800;
}

.order-line small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.qty-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.line-control-stack {
  display: grid;
  gap: 6px;
  justify-items: center;
  flex: 0 0 auto;
}

.line-actions {
  display: flex;
  gap: 6px;
}

.qty-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
  cursor: pointer;
}

.mini-btn {
  min-height: 28px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font-size: 11px;
  font-weight: 900;
  cursor: pointer;
}

.mini-btn.danger {
  color: #fecaca;
  border-color: rgba(239,68,68,.45);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2,6,23,.72);
}

.modal-card {
  width: min(720px, 100%);
  max-height: min(760px, 92vh);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
}

.modifier-modal-card {
  padding: 14px;
}

.receipt-modal-card {
  padding: 16px;
  width: min(520px, 100%);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.modal-head h3 {
  margin: 0;
  font-size: 20px;
}

.modal-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.modifier-groups-list {
  display: grid;
  gap: 12px;
}

.modifier-group-box {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,.035);
}

.modifier-group-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.modifier-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.modifier-option {
  min-height: 56px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.modifier-option.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37,99,235,.28);
}

.modifier-option small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.payment-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.payment-change {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--surface2);
  font-size: 18px;
  font-weight: 900;
}

.receipt-preview {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: #fff;
  color: #111827;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.receipt-head {
  display: grid;
  gap: 4px;
  text-align: center;
  padding-bottom: 12px;
  border-bottom: 1px dashed #9ca3af;
}

.receipt-lines {
  display: grid;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed #9ca3af;
}

.receipt-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: start;
}

.receipt-line span,
.receipt-line small {
  display: block;
}

.receipt-line small {
  color: #4b5563;
  font-size: 11px;
}

.receipt-totals {
  display: grid;
  gap: 6px;
  padding-top: 12px;
}

.receipt-totals div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.receipt-total {
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid #111827;
  font-size: 18px;
}

.shift-report-body {
  display: grid;
  gap: 14px;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.report-card {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
}

.report-card span,
.report-card strong {
  display: block;
}

.report-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.report-card strong {
  margin-top: 6px;
  font-size: 20px;
}

.report-section {
  display: grid;
  gap: 8px;
}

.report-section h4 {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .08em;
}

.report-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface2);
}

.queue-row {
  align-items: center;
}

.queue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.split-lines {
  display: grid;
  gap: 10px;
}

.split-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface2);
}

.split-row strong,
.split-row small {
  display: block;
}

.split-row small {
  margin-top: 4px;
  color: var(--muted);
}

.split-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.kitchen-jobs {
  display: grid;
  gap: 14px;
}

.kitchen-route {
  display: grid;
  gap: 8px;
}

.kitchen-route h4 {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.kitchen-job {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
}

.kitchen-job strong,
.kitchen-job small {
  display: block;
}

.kitchen-job small {
  margin-top: 4px;
  color: var(--muted);
}

.kitchen-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

@media (max-width: 980px) {
  .topbar {
    height: auto;
    min-height: 60px;
    flex-wrap: wrap;
    padding: 10px 12px;
  }

  .topnav {
    order: 3;
    width: 100%;
  }

  .split-row {
    grid-template-columns: 1fr;
  }

  .split-controls {
    justify-content: stretch;
  }

  .split-controls .mini-inp {
    flex: 1;
  }

  .nav-btn {
    flex: 1;
  }

  .configurator-screen {
    grid-template-columns: 1fr;
  }

  .config-sidebar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .config-tab {
    width: auto;
    min-width: 120px;
    margin-bottom: 0;
    text-align: center;
  }

  .config-heading {
    flex-direction: column;
  }

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

  .pos-layout {
    grid-template-columns: 1fr;
  }

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

  .designer-grid,
  .designer-toolbar,
  .payment-grid {
    grid-template-columns: 1fr;
  }

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

  .kitchen-job {
    display: grid;
  }

  .kitchen-actions {
    justify-content: stretch;
  }

  .kitchen-actions .btn {
    flex: 1 1 110px;
  }
}