:root {
  color-scheme: light;
  --bg: #eef2ef;
  --panel: #ffffff;
  --panel-2: #f8faf9;
  --text: #17211b;
  --muted: #64736a;
  --line: #d9e2dd;
  --primary: #005a8c;
  --primary-2: #0087c1;
  --success: #006b58;
  --warning: #7a4d00;
  --danger: #9f2f00;
  --info: #2f5597;
  --purple: #5d3a9b;
  --focus: #111827;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, select, textarea {
  font: inherit;
}

button {
  border: 2px solid transparent;
  border-radius: 8px;
  min-height: 44px;
  padding: 10px 14px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
  transform: none;
}

button:active { transform: translateY(1px); }

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 44px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

textarea { resize: vertical; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: 28px; line-height: 1.12; }
h2 { margin-bottom: 12px; font-size: 18px; }
p { color: var(--muted); }
small { display: block; color: var(--muted); }

[hidden] { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.quick-login .login-screen {
  display: none;
}

.login-panel {
  display: grid;
  gap: 12px;
  width: min(100%, 420px);
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login-panel label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 14px;
}

.login-brand {
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
}

.role-cashier .sidebar {
  display: none;
}

.role-cashier .main {
  width: min(100%, 1180px);
}

.sidebar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: grid;
  gap: 10px;
  padding: 10px;
  background: #10251a;
  color: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #f0c808;
  color: #092014;
  font-weight: 900;
}

.brand span,
.status-strip span {
  display: block;
  color: #b9c8bf;
  font-size: 13px;
}

.nav {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.nav-btn {
  min-width: max-content;
  background: transparent;
  color: #d9e8df;
  border-color: rgba(255,255,255,0.2);
}

.nav-btn.active {
  background: #e5f6ea;
  color: #10251a;
  border-color: #f0c808;
  box-shadow: inset 0 -4px 0 #f0c808;
}

.status-strip {
  display: none;
  padding: 10px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
}

.main {
  min-width: 0;
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 14px;
}

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

.topbar {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

.top-actions,
.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

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

.check-row {
  grid-template-columns: 22px 1fr;
  align-items: center;
}

.check-row input {
  width: 18px;
  min-height: 18px;
  padding: 0;
}

.edit-product-panel {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.edit-product-panel[hidden] {
  display: none;
}

.edit-product-panel h2 {
  margin-bottom: 0;
}

.update-label {
  margin-bottom: 0;
  padding: 8px 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

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

.ghost-btn {
  background: #fff;
  color: var(--primary);
  border-color: var(--line);
}

.danger-outline {
  color: var(--danger);
  border-color: #d8a18b;
}

.danger-btn {
  background: #fff4ef;
  color: var(--danger);
  border-color: var(--danger);
  border-style: dashed;
}

.success-btn {
  background: #ecfdf7;
  color: var(--success);
  border-color: var(--success);
}

.compact-btn {
  min-height: 36px;
  padding: 6px 9px;
  font-size: 13px;
}

.toolbar-panel,
.products-panel,
.cart-panel,
.chart-panel,
.form-panel,
.table-panel,
.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.toolbar-panel,
.products-panel,
.cart-panel,
.chart-panel,
.form-panel,
.table-panel {
  padding: 14px;
}

.toolbar-panel {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.toolbar-panel label,
.form-panel label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 14px;
}

.ledger-layout,
.sale-grid,
.stats-layout,
.admin-grid {
  display: grid;
  gap: 14px;
}

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

.panel-head h2 { margin-bottom: 0; }

.ledger-table {
  display: grid;
  gap: 8px;
}

.ledger-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.ledger-row > span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.ledger-head {
  display: none;
  background: #e8eee9;
  color: var(--muted);
  font-weight: 700;
}

.positive { color: var(--success); }
.negative { color: var(--danger); }

.metric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.metric {
  padding: 14px;
  border-top: 5px solid var(--primary);
}

.metric span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.metric strong {
  font-size: 23px;
}

.target-bar,
.stat-bar {
  background: #e8eee9;
  border-radius: 8px;
  overflow: hidden;
}

.target-bar { height: 34px; }
.stat-bar { height: 12px; margin-top: 6px; }

.target-bar span,
.stat-bar span {
  display: block;
  height: 100%;
  background: repeating-linear-gradient(45deg, var(--primary), var(--primary) 9px, var(--primary-2) 9px, var(--primary-2) 18px);
}

.stat-row,
.admin-row,
.movement-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.category-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.category-row button {
  background: var(--panel-2);
  color: var(--text);
  border-color: var(--line);
}

.category-row button.active {
  background: var(--category-bg, var(--primary));
  color: var(--category-fg, #fff);
  border-color: #f0c808;
  box-shadow: inset 0 -4px 0 #f0c808;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
  gap: 10px;
}

.product-tile {
  min-height: 96px;
  padding: 12px;
  text-align: left;
  background: var(--category-bg, var(--info));
  color: var(--category-fg, #fff);
  border-color: rgba(255,255,255,0.34);
  box-shadow: inset 0 -5px 0 rgba(0,0,0,0.28);
}

.product-tile strong,
.cart-row strong {
  display: block;
  margin-bottom: 6px;
}

.product-tile span {
  color: inherit;
  font-size: 14px;
  opacity: 0.88;
}

.barcode-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.barcode-row button {
  min-width: 0;
}

.cart-list {
  display: grid;
  gap: 8px;
  min-height: 150px;
}

.cart-row {
  display: grid;
  grid-template-columns: 1fr 44px 44px;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.qty-btn {
  min-height: 42px;
  padding: 0;
  background: #eef4fb;
  color: var(--primary);
  border-color: #b8cbe2;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 14px 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 22px;
}

.checkout-actions {
  display: grid;
  gap: 8px;
}

.checkout-actions .pay {
  display: grid;
  gap: 2px;
  text-align: left;
  box-shadow: inset 0 -5px 0 rgba(0,0,0,0.25);
}

.checkout-actions small {
  color: rgba(255,255,255,0.86);
  font-weight: 400;
}

.checkout-actions .cash { background: var(--success); border-style: solid; }
.checkout-actions .card { background: var(--info); border-style: double; }
.checkout-actions .satispay { background: var(--purple); border-style: dashed; }

.form-panel {
  display: grid;
  gap: 10px;
  align-content: start;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 20;
  transform: translateX(-50%) translateY(120px);
  width: min(calc(100vw - 28px), 560px);
  background: #10251a;
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 180ms ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.scanner-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 14px;
  background: rgba(6, 18, 13, 0.72);
}

.scanner-panel {
  display: grid;
  gap: 12px;
  width: min(100%, 620px);
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

#scanner-video {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #0b1110;
  border-radius: 8px;
  object-fit: cover;
}

#scanner-status {
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .main { padding: 18px; }
  .topbar {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .toolbar-panel {
    grid-template-columns: repeat(2, 1fr);
    align-items: end;
  }
  .barcode-row,
  .checkout-actions {
    grid-template-columns: 1fr 140px;
  }
  .barcode-row {
    grid-template-columns: minmax(0, 1fr) 120px 120px;
  }
  .checkout-actions .satispay { grid-column: 1 / -1; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-row,
  .admin-row,
  .movement-row {
    grid-template-columns: 1fr auto;
  }
  .row-actions {
    grid-template-columns: auto auto;
  }
}

@media (min-width: 768px) {
  h1 { font-size: 30px; }
  .toolbar-panel { grid-template-columns: repeat(3, 1fr); }
  .sale-grid { grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); }
  .stats-layout,
  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
  .ledger-row {
    grid-template-columns: 105px 86px minmax(130px, 1fr) 92px 90px 90px 76px;
    align-items: center;
  }
  .ledger-head { display: grid; }
}

@media (min-width: 1024px) {
  .app-shell {
    display: grid;
    grid-template-columns: 230px 1fr;
  }
  .role-cashier .app-shell {
    display: block;
  }
  .sidebar {
    min-height: 100vh;
    grid-template-rows: auto auto 1fr;
    align-content: start;
    padding: 18px;
  }
  .nav {
    grid-auto-flow: row;
    overflow: visible;
  }
  .nav-btn {
    width: 100%;
    text-align: left;
  }
  .status-strip {
    display: block;
    align-self: end;
  }
  .main { padding: 22px; }
  .cart-list { min-height: 240px; }
}

@media (min-width: 1440px) {
  .ledger-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
  .ledger-row {
    grid-template-columns: 125px 105px minmax(170px, 1fr) 110px 105px 105px 86px;
  }
}

@media print {
  .sidebar,
  .toolbar-panel,
  .top-actions,
  .form-panel,
  .toast {
    display: none !important;
  }
  .app-shell,
  .ledger-layout {
    display: block;
  }
  .main {
    width: 100%;
    padding: 0;
  }
  .table-panel {
    box-shadow: none;
    border: 0;
  }
  .ledger-row {
    grid-template-columns: 120px 100px 1fr 100px 100px 100px;
    break-inside: avoid;
  }
  .ledger-row > span:last-child {
    display: none;
  }
  .ledger-head { display: grid; }
}