:root {
  --toss-blue: #3182f6;
  --toss-blue-hover: #1b64da;
  --blue-soft: #e8f3ff;
  --bg-canvas: #f2f4f6;
  --surface: #ffffff;
  --text-main: #191f28;
  --text-sub: #4e5968;
  --text-muted: #8b95a1;
  --border-color: #e5e8eb;
  --danger: #f04452;
  --danger-soft: #fde8e9;
  --success: #00a645;
  --success-soft: #e4f4ec;
  --warning: #f59f00;
  --warning-soft: #fff4de;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg-canvas);
  color: var(--text-main);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 700;
  padding: 11px 16px;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.btn-primary {
  background: var(--toss-blue);
  color: #fff;
}

.btn-primary:not(:disabled):hover {
  background: var(--toss-blue-hover);
}

.btn-outline {
  background: #fff;
  border-color: var(--border-color);
  color: var(--text-sub);
}

.btn-outline:hover {
  background: var(--bg-canvas);
}

.btn-soft {
  background: var(--blue-soft);
  color: var(--toss-blue);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

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

.btn-sm {
  border-radius: 10px;
  font-size: 13px;
  padding: 7px 11px;
}

.btn-lg {
  border-radius: 14px;
  font-size: 18px;
  padding: 18px;
}

.btn-block {
  width: 100%;
}

.input {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: #fff;
  outline: none;
  padding: 11px 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus {
  border-color: var(--toss-blue);
  box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.14);
}

.input.big {
  font-size: 20px;
  font-weight: 700;
  padding: 14px 16px;
}

.label {
  display: block;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}

.field {
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 7px;
  white-space: nowrap;
}

.badge.blue {
  background: var(--blue-soft);
  color: var(--toss-blue);
}

.badge.green {
  background: var(--success-soft);
  color: var(--success);
}

.badge.red {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge.orange {
  background: var(--warning-soft);
  color: #c77c00;
}

.badge.gray {
  background: var(--bg-canvas);
  color: var(--text-sub);
}

.badge.grade {
  color: #fff;
}

.member-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.muted {
  color: var(--text-muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: #fff;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 13px;
}

.chip.active {
  border-color: var(--toss-blue);
  background: var(--blue-soft);
  color: var(--toss-blue);
}

/* 로그인 */
.login-shell {
  display: none;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

body.guest .login-shell {
  display: grid;
}

body.guest .pos-shell {
  display: none;
}

.login-card {
  width: min(420px, 100%);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 48px rgba(25, 31, 40, 0.08);
  padding: 36px;
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 26px;
}

.login-card p {
  margin: 0 0 24px;
  color: var(--text-sub);
  line-height: 1.5;
}

/* POS 레이아웃 */
.pos-shell {
  display: grid;
  height: 100vh;
  grid-template-rows: 64px 1fr 72px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--border-color);
  background: #fff;
  padding: 0 20px;
}

.brand {
  color: var(--toss-blue);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.3px;
}

.top-info {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 18px;
  min-width: 0;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
}

.top-info strong {
  color: var(--text-main);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: var(--bg-canvas);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 11px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.dot.off {
  background: var(--danger);
}

.dot.idle {
  background: var(--text-muted);
}

.dot.warn {
  background: var(--warning, #f59e0b);
}

button.status-chip {
  border: 0;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

.status-chip.down {
  background: var(--danger-soft);
  color: var(--danger);
}

.status-chip.pending {
  background: var(--warning-soft);
  color: #8a5a00;
}

.mode-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  padding: 9px 12px;
}

.mode-banner.offline {
  background: var(--danger-soft);
  color: var(--danger);
}

.mode-banner.manual {
  background: #f3e8ff;
  color: #6d28d9;
}

.recovery-section {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  margin-bottom: 12px;
  padding: 14px;
}

.recovery-section h3 {
  font-size: 15px;
  margin: 0 0 10px;
}

.top-actions {
  display: flex;
  gap: 8px;
}

.workspace {
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) 440px;
  gap: 16px;
  padding: 16px;
}

.panel {
  display: flex;
  min-height: 0;
  flex-direction: column;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.search-area {
  display: grid;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding: 16px;
}

.search-box {
  position: relative;
}

.search-box .input {
  font-size: 17px;
  padding: 15px 16px 15px 46px;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 16px;
  color: var(--text-muted);
  font-size: 18px;
  transform: translateY(-50%);
}

.scan-hint {
  position: absolute;
  top: 50%;
  right: 14px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  transform: translateY(-50%);
}

.product-grid {
  display: grid;
  flex: 1;
  align-content: start;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 10px;
  overflow-y: auto;
  padding: 16px;
}

.tile {
  display: flex;
  min-height: 128px;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
  text-align: left;
  transition: border-color 0.15s, transform 0.08s, box-shadow 0.15s;
}

.tile:hover {
  border-color: var(--toss-blue);
  box-shadow: 0 4px 14px rgba(49, 130, 246, 0.12);
}

.tile:active {
  transform: scale(0.98);
}

.tile.disabled {
  background: #fafbfc;
  opacity: 0.6;
}

.tile-name {
  flex: 1;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  word-break: keep-all;
}

.tile-price {
  font-size: 17px;
  font-weight: 800;
}

.tile-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.empty {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-weight: 600;
  padding: 48px 12px;
  text-align: center;
}

/* 장바구니 */
.cart-head {
  border-bottom: 1px solid var(--border-color);
  padding: 14px 16px;
}

.customer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: 12px;
  background: var(--bg-canvas);
  padding: 12px 14px;
}

.customer-card.member {
  background: var(--blue-soft);
}

.customer-name {
  font-weight: 800;
}

.customer-sub {
  margin-top: 2px;
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 600;
}

.point-chip {
  margin-top: 6px;
  border: 0;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--toss-blue);
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.linked-counsel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  border-radius: 10px;
  background: var(--warning-soft);
  color: #9a6200;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 12px;
}

.cart-lines {
  flex: 1;
  overflow-y: auto;
  padding: 4px 16px;
}

.line {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 10px;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.line-name {
  font-weight: 700;
  line-height: 1.35;
}

.line-unit {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.line-total {
  font-size: 16px;
  font-weight: 800;
  text-align: right;
}

.qty {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.qty button {
  width: 34px;
  height: 32px;
  border: 0;
  background: #fff;
  font-size: 18px;
  font-weight: 700;
}

.qty button:hover {
  background: var(--bg-canvas);
}

.qty span {
  min-width: 36px;
  font-weight: 800;
  text-align: center;
}

.line-remove {
  border: 0;
  background: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
}

.line-remove:hover {
  color: var(--danger);
}

.cart-foot {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding: 14px 16px 16px;
}

.sum-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-sub);
  font-weight: 600;
}

.sum-row.total {
  color: var(--text-main);
  font-size: 22px;
  font-weight: 900;
}

.sum-row.total strong {
  color: var(--toss-blue);
}

.discount-link {
  border: 0;
  background: none;
  color: var(--toss-blue);
  font-weight: 700;
  padding: 0;
}

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

.cam-btn {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: #fff;
  color: var(--text-sub);
  font-weight: 800;
  padding: 0 16px;
}

.cam-btn:hover {
  border-color: var(--toss-blue);
  color: var(--toss-blue);
}

.inline-scan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.van-ok {
  border-radius: 12px;
  background: var(--success-soft);
  color: #047a35;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  padding: 10px 12px;
}

.demo-tag {
  display: inline-flex;
  border-radius: 6px;
  background: #f3e8ff;
  color: #7c3aed;
  font-size: 11px;
  font-weight: 800;
  margin-left: 4px;
  padding: 2px 6px;
  vertical-align: middle;
}

.terminal-chip {
  border: 0;
  cursor: pointer;
}

.terminal-chip:hover {
  background: var(--blue-soft);
}

.seg {
  display: grid;
  grid-auto-columns: 1fr;
  grid-auto-flow: column;
  gap: 4px;
  border-radius: 12px;
  background: var(--bg-canvas);
  margin-bottom: 14px;
  padding: 4px;
}

.seg button {
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-sub);
  font-weight: 800;
  padding: 10px;
}

.seg button.active {
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  color: var(--toss-blue);
}

.seg button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.stock-big {
  font-size: 34px;
  font-weight: 900;
}

.rcpt-barcode {
  display: block;
  max-width: 100%;
  margin: 6px auto 0;
}

.rcpt-qr {
  width: 120px;
  height: 120px;
  margin: 6px auto;
}

.rcpt-qr svg {
  width: 100%;
  height: 100%;
}

.rcpt-code {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 2px;
  text-align: center;
}

/* 하단 메뉴 */
.bottom-bar {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 10px;
  border-top: 1px solid var(--border-color);
  background: #fff;
  padding: 10px 16px;
}

.menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: #fff;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 800;
}

.menu-btn:hover {
  border-color: var(--toss-blue);
  color: var(--toss-blue);
}

.menu-btn .count {
  min-width: 22px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 12px;
  padding: 2px 7px;
}

.menu-btn .count.orange {
  background: var(--warning);
}

.menu-btn .count.blue {
  background: var(--toss-blue);
}

/* 모달 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(25, 31, 40, 0.45);
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  display: flex;
  width: min(560px, 100%);
  max-height: calc(100vh - 48px);
  flex-direction: column;
  overflow: hidden;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.modal.wide {
  width: min(960px, 100%);
}

.modal.xwide {
  width: min(1180px, 100%);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding: 18px 22px;
}

.modal-head h2 {
  margin: 0;
  font-size: 20px;
}

.modal-close {
  border: 0;
  background: none;
  color: var(--text-muted);
  font-size: 26px;
  line-height: 1;
}

.modal-body {
  overflow-y: auto;
  padding: 20px 22px;
}

.modal-foot {
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding: 14px 22px;
}

.modal-foot .btn {
  flex: 1;
}

.pay-total {
  border-radius: 16px;
  background: var(--bg-canvas);
  margin-bottom: 16px;
  padding: 16px 18px;
}

.pay-total .amount {
  font-size: 30px;
  font-weight: 900;
}

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

.method-btn {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: #fff;
  font-size: 15px;
  font-weight: 800;
  padding: 16px 8px;
}

.method-btn:hover {
  border-color: var(--toss-blue);
  background: var(--blue-soft);
  color: var(--toss-blue);
}

.pay-row {
  display: grid;
  gap: 10px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  margin-bottom: 10px;
  padding: 14px;
}

.pay-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 800;
}

.pay-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.notice {
  border-radius: 12px;
  background: var(--bg-canvas);
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  padding: 10px 12px;
}

.notice.warn {
  background: var(--warning-soft);
  color: #8a5a00;
}

.notice.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.remain {
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 800;
  margin: 6px 0 2px;
}

.remain.ok {
  color: var(--success);
}

.remain.bad {
  color: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--border-color);
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

td.num,
th.num {
  text-align: right;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover td {
  background: #f9fafb;
}

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

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: #fff;
  padding: 13px 15px;
  text-align: left;
}

button.list-item:hover {
  border-color: var(--toss-blue);
}

.list-item.selected {
  border-color: var(--toss-blue);
  background: var(--blue-soft);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.metric {
  border-radius: 14px;
  background: var(--bg-canvas);
  padding: 14px;
}

.metric span {
  display: block;
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 19px;
  font-weight: 900;
}

.section-title {
  margin: 20px 0 8px;
  font-size: 15px;
  font-weight: 800;
}

.section-title:first-child {
  margin-top: 0;
}

.kv {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  font-weight: 600;
}

.kv span:first-child {
  color: var(--text-sub);
}

.kv.strong {
  border-top: 1px solid var(--border-color);
  font-size: 17px;
  font-weight: 900;
  margin-top: 4px;
  padding-top: 12px;
}

.denoms {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.denom label {
  display: block;
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

/* 영수증 */
.receipt {
  width: 320px;
  margin: 0 auto;
  border: 1px dashed #cfd4da;
  background: #fff;
  color: #000;
  font-family: 'SF Mono', Menlo, Consolas, 'Pretendard', monospace;
  font-size: 12px;
  line-height: 1.55;
  padding: 18px 16px;
}

.receipt h3 {
  margin: 0 0 2px;
  font-size: 16px;
  text-align: center;
}

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

.receipt .row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.receipt .hr {
  border-top: 1px dashed #000;
  margin: 8px 0;
}

.receipt .bold {
  font-weight: 800;
}

.receipt .big {
  font-size: 15px;
  font-weight: 900;
}

.receipt .title-tag {
  border: 1px solid #000;
  font-weight: 800;
  margin: 6px 0;
  padding: 2px 0;
  text-align: center;
}

#printArea {
  display: none;
}

.toast {
  position: fixed;
  bottom: 96px;
  left: 50%;
  z-index: 100;
  max-width: 90vw;
  border-radius: 14px;
  background: rgba(25, 31, 40, 0.92);
  color: #fff;
  font-weight: 700;
  opacity: 0;
  padding: 13px 20px;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s, transform 0.2s;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast.error {
  background: var(--danger);
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .top-info .hide-md {
    display: none;
  }

  .bottom-bar {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .pos-shell {
    grid-template-rows: 64px 1fr auto;
  }

  .menu-btn {
    padding: 12px 6px;
  }
}

@media print {
  @page {
    size: 80mm auto;
    margin: 4mm;
  }

  body {
    background: #fff;
  }

  body > *:not(#printArea) {
    display: none !important;
  }

  #printArea {
    display: block;
  }

  #printArea .receipt {
    width: auto;
    border: 0;
    padding: 0;
  }
}