:root {
  --black: #0c0c0c;
  --ink: #171717;
  --paper: #f3f1ec;
  --panel: #ffffff;
  --line: #e5dfd6;
  --muted: #817b72;
  --soft: #faf9f6;
  --gold: #d8bd7a;
  --danger: #9b2020;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12,12,12,0.82);
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  width: min(420px, calc(100vw - 40px));
  display: grid;
  gap: 16px;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
}

.login-card .brand-mark {
  color: var(--black);
}

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

button {
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--black);
  border-radius: 6px;
  background: transparent;
  color: var(--black);
  cursor: pointer;
}

button:hover {
  transform: translateY(-1px);
}

button.primary,
button.active {
  background: var(--black);
  color: #fff;
}

button.wide {
  width: 100%;
}

.shell {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 18px;
  background: var(--black);
  color: #fff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 4px 10px 34px;
}

.brand-mark {
  font-family: serif;
  font-size: 30px;
  font-weight: 900;
  line-height: 0.98;
}

.brand strong,
.brand em {
  display: block;
}

.brand strong {
  font-size: 18px;
}

.brand em {
  margin-top: 7px;
  color: #bbb5ac;
  font-size: 11px;
  font-style: normal;
  letter-spacing: 2.8px;
}

nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  border-radius: 6px;
  color: #cbc6bd;
  cursor: pointer;
}

.nav-item:hover,
.nav-item.active {
  background: #fff;
  color: var(--black);
}

.nav-item.active {
  font-weight: 900;
}

.nav-item > span:last-child {
  font-size: 0;
}

.nav-item > span:last-child::after {
  content: ">";
  font-size: 14px;
}

.nav-subitems {
  display: none;
  gap: 6px;
  margin: 6px 0 10px;
  padding-left: 12px;
}

.nav-subitems.show {
  display: grid;
}

.nav-subitem {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #bdb7ae;
  text-align: left;
}

.nav-subitem:hover,
.nav-subitem.active {
  transform: none;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-subitem b {
  min-width: 24px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  text-align: center;
  line-height: 22px;
  font-size: 12px;
}

.side-note {
  position: absolute;
  right: 18px;
  bottom: 22px;
  left: 18px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  color: #c8c1b6;
}

.side-note span,
.side-note strong {
  display: block;
}

.side-note strong {
  margin-top: 8px;
  color: #fff;
}

.main {
  padding: 30px;
}

.topbar,
.toolbar,
.panel-head,
.card-head,
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  align-items: flex-start;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  letter-spacing: 0;
}

h2 {
  font-size: 20px;
}

#pageSub,
.muted {
  margin-top: 8px;
  color: var(--muted);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.store-status {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(12,12,12,0.05);
}

.store-status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #11884b;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

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

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  gap: 18px;
}

.metrics div,
.panel,
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgba(12,12,12,0.05);
}

.metrics div {
  padding: 18px;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metrics strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
}

.toolbar,
.panel-head {
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.orders-grid {
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
}

.cashier-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(260px, 1fr));
  gap: 16px;
  align-items: start;
  overflow-x: auto;
  padding-bottom: 6px;
}

.cashier-board.single-column {
  grid-template-columns: minmax(360px, 680px);
}

.manual-order-panel {
  margin-bottom: 16px;
}

.manual-order-panel.hidden {
  display: none;
}

.manual-order-form {
  grid-template-columns: 150px minmax(260px, 1fr) 120px minmax(220px, 1fr) auto;
  align-items: end;
}

.ledger-panel {
  margin-top: 18px;
}

.ledger-row {
  grid-template-columns: 76px 1fr auto;
}

.cashier-column {
  min-width: 260px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

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

.column-head h2 {
  font-size: 18px;
}

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

.order-section + .order-section {
  margin-top: 18px;
}

.empty-panel {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.65fr);
  gap: 18px;
}

.panel,
.card {
  padding: 18px;
}

.sticky {
  position: sticky;
  top: 24px;
  align-self: start;
}

.card-title {
  font-size: 18px;
  font-weight: 900;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: #f1ece3;
  color: var(--muted);
  font-size: 13px;
}

.tag.black {
  background: var(--black);
  color: #fff;
}

.list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.list-row {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.thumb {
  width: 76px;
  height: 62px;
  overflow: hidden;
  border-radius: 6px;
  background: #ddd;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.form {
  display: grid;
  gap: 13px;
  margin-top: 16px;
}

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

.qr-form {
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto auto;
  align-items: end;
}

.qr-help {
  margin-top: 12px;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.qr-card {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: center;
  box-shadow: 0 10px 30px rgba(12,12,12,0.05);
}

.qr-delete {
  position: absolute;
  top: 10px;
  right: 10px;
  height: 28px;
  padding: 0 10px;
  border-color: var(--danger);
  color: var(--danger);
  font-size: 12px;
}

.qr-brand {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
}

.qr-brand strong {
  font-family: serif;
  font-size: 28px;
}

.qr-brand span {
  font-size: 10px;
  letter-spacing: 2px;
}

.qr-card img {
  width: 168px;
  height: 168px;
}

.qr-card h3 {
  margin: 10px 0 0;
  font-size: 32px;
}

.qr-card p {
  margin-top: 6px;
  font-weight: 800;
}

.qr-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
  word-break: break-all;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  color: var(--black);
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.switch {
  display: flex;
  align-items: center;
  gap: 8px;
}

.switch input {
  width: auto;
  min-height: auto;
}

.status-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.history-card {
  background: #fbfaf7;
}

.order-card {
  box-shadow: 0 8px 22px rgba(12,12,12,0.06);
}

.unpaid-box {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #111;
  border-radius: 8px;
  background: #fff;
}

.batch-card {
  display: grid;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.fresh-order {
  animation: freshPulse 1.1s ease-in-out 3;
  border-color: var(--gold);
}

@keyframes freshPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(216, 189, 122, 0.55);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(216, 189, 122, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(216, 189, 122, 0);
  }
}

.history-card .tag.black {
  background: #77716a;
}

.readonly-note {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
}

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

.toast {
  position: fixed;
  right: 28px;
  bottom: 28px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--black);
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  transition: 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .side-note {
    display: none;
  }

  .split,
  .dashboard-grid,
  .metrics,
  .qr-form,
  .manual-order-form {
    grid-template-columns: 1fr;
  }
}

@media print {
  .sidebar,
  .topbar,
  .metrics,
  .toolbar,
  .qr-form,
  .qr-help,
  .qr-delete {
    display: none !important;
  }

  .shell {
    display: block;
  }

  .main {
    padding: 0;
  }

  .panel {
    border: 0;
    box-shadow: none;
  }

  .qr-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12mm;
  }

  .qr-card {
    break-inside: avoid;
    box-shadow: none;
  }
}