:root {
  --ink: #18222b;
  --muted: #667684;
  --line: #d5dee7;
  --panel: #ffffff;
  --shell: #eef2f5;
  --blue: #2f6fae;
  --blue-dark: #245b91;
  --accent: #0f766e;
  --green: #91dc7d;
  --green-soft: #eaf8ef;
  --red-soft: #ffe2df;
  --red: #a11d1d;
  --amber: #99620d;
  --amber-soft: #fff2cb;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--shell);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  overflow: hidden;
}
.hidden { display: none !important; }
button, input, select {
  font: inherit;
}
button {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
button:active { transform: translateY(1px); }
input, select {
  width: 100%;
  height: 43px;
  border: 1px solid #b7c6d4;
  border-radius: 3px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
  font-size: 18px;
}
label {
  display: grid;
  gap: 5px;
  color: #7b8c9b;
  font-weight: 700;
  font-size: 14px;
}
.app-shell {
  height: 100vh;
  min-width: 1120px;
  display: grid;
  grid-template-rows: 66px 146px 1fr;
}
.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  background: var(--blue-dark);
  color: #fff;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 610px;
}
.brand-token {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 9px;
  background: #fff;
  color: var(--blue-dark);
  font-weight: 900;
}
.brand strong { font-size: 20px; }
.brand span {
  display: block;
  margin-top: 4px;
  margin-left: 0;
  color: #cfe3f6;
  font-size: 14px;
}
.brand span b { color: #fff; }
.config-button {
  width: 116px;
  height: 46px;
  border-color: #adc6df;
  background: #fff;
  color: var(--blue-dark);
  font-size: 16px;
  font-weight: 900;
}
.statusline {
  display: flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
  font-size: 14px;
}
.badge {
  min-width: 72px;
  border-radius: 999px;
  padding: 3px 10px;
  background: var(--green-soft);
  color: var(--accent);
  text-align: center;
  font-weight: 800;
  font-size: 12px;
}
.badge.offline {
  background: var(--red-soft);
  color: var(--red);
}
.badge.neutral {
  background: #e8f1fa;
  color: var(--blue-dark);
}
.ribbon {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #f9fbfd;
}
.ribbon-nav {
  flex: 0 0 43px;
  height: 118px;
  color: var(--blue-dark);
  font-size: 48px;
  font-weight: 300;
}
.ribbon-btn {
  flex: 0 0 112px;
  height: 118px;
  padding: 13px 8px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  background: #fff;
}
.ribbon-btn b {
  display: grid;
  width: 43px;
  height: 36px;
  place-items: center;
  border-radius: 7px;
  background: #e8f1fa;
  color: var(--blue-dark);
}
.ribbon-btn span {
  font-weight: 700;
  font-size: 16px;
}
.ribbon-btn small {
  color: #506174;
}
.workspace {
  min-height: 0;
  display: grid;
  grid-template-rows: 50px 1fr;
}
.mode-tabs {
  display: flex;
  gap: 6px;
  padding: 6px 22px 0;
  background: #edf3f8;
}
.mode-tabs button {
  width: 136px;
  height: 41px;
  border-radius: 9px;
  border-color: #afc2d5;
  background: #fff;
  font-size: 20px;
  font-weight: 600;
}
.mode-tabs button.active {
  background: var(--blue);
  color: #fff;
}
.panels {
  min-height: 0;
  display: grid;
  grid-template-columns: 540px 400px 1fr 310px;
  gap: 12px;
  padding: 14px 20px 20px;
}
.panel {
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 2px 15px rgba(0,0,0,.055);
}
.ticket-panel {
  display: grid;
  grid-template-rows: auto auto auto auto 1fr 130px;
  padding: 14px;
}
.ticket-panel h1 {
  margin: 4px 0 16px;
  font-size: 31px;
}
.form-grid {
  display: grid;
  grid-template-columns: 108px 112px 1fr 64px;
  gap: 10px;
}
.form-grid .wide {
  grid-column: span 2;
}
.ticket-actions {
  display: grid;
  grid-template-columns: 130px 110px;
  justify-content: end;
  gap: 10px;
  margin: 10px 0 12px;
}
.primary, .finish {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}
.secondary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}
.ghost {
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}
.table-head, .ticket-row {
  display: grid;
  grid-template-columns: 78px 1fr 55px 86px;
  gap: 8px;
  align-items: center;
}
.table-head {
  height: 38px;
  padding: 0 10px;
  background: #f2f6fa;
  border: 1px solid var(--line);
  border-radius: 7px 7px 0 0;
  color: #728394;
  font-weight: 800;
}
.ticket-rows {
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 7px 7px;
}
.ticket-row {
  min-height: 48px;
  padding: 8px 10px;
  border-bottom: 1px solid #e8eef4;
  cursor: pointer;
}
.ticket-row:hover { background: #f6fbff; }
.ticket-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.empty-state {
  padding: 22px;
  color: var(--muted);
}
.payments-box {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
}
.payments-box header {
  padding: 10px;
  background: #f2f6fa;
  color: #728394;
}
#paymentRows {
  padding: 10px;
  min-height: 74px;
  color: var(--muted);
}
.boards-panel {
  padding: 12px;
  display: grid;
  grid-template-rows: 42px minmax(210px, 1fr) 168px;
  gap: 14px;
}
.section-header, .product-title {
  display: flex;
  align-items: center;
  height: 42px;
  padding: 0 12px;
  border-radius: 5px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}
.boards-grid {
  align-content: start;
  display: grid;
  grid-template-columns: repeat(4, 93px);
  gap: 11px;
  overflow: auto;
}
.board-card {
  height: 84px;
  padding: 8px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #9be083;
  border: 1px solid #74c463;
  color: #17351f;
  font-weight: 900;
}
.board-card.occupied {
  background: #f09a8e;
  border-color: #c85c50;
}
.board-card.selected {
  outline: 4px solid var(--blue-dark);
  outline-offset: -4px;
}
.board-card small {
  font-weight: 800;
  color: #5b5b5b;
}
.local-state {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbfe;
}
.local-state span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}
.state-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.state-grid div {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.state-grid b {
  display: block;
  margin-top: 5px;
  font-size: 18px;
}
.products-panel {
  padding: 12px;
  display: grid;
  grid-template-rows: 42px 86px 42px 1fr;
  gap: 14px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(134px, 1fr));
  gap: 12px;
  overflow-x: auto;
}
.category-card, .product-card {
  border: 1px solid var(--line);
  background: #f8fbfe;
  font-weight: 800;
}
.category-card.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.product-title {
  width: max-content;
  border-radius: 5px 5px 0 0;
}
.product-grid {
  min-height: 0;
  overflow: auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-rows: 58px;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
}
.product-card {
  border-width: 0 0 1px;
  border-radius: 0;
  padding: 8px 14px;
  display: grid;
  grid-template-columns: 1fr 120px 90px;
  align-items: center;
  gap: 12px;
  text-align: left;
}
.product-card.active {
  background: #e9fbf7;
  border: 1px solid var(--accent);
}
.product-card small {
  color: var(--muted);
}
.product-card b {
  color: var(--accent);
  text-align: right;
}
.pay-panel {
  padding: 14px;
  display: grid;
  grid-template-rows: auto auto auto auto auto auto auto 1fr;
  gap: 12px;
}
.pay-panel header {
  display: grid;
  gap: 6px;
  padding: 14px;
  border-radius: 8px;
  background: #f1f8ff;
  border: 1px solid #b9d4ee;
}
.pay-panel header span {
  color: var(--muted);
  font-weight: 700;
}
.pay-panel header strong {
  font-size: 34px;
  color: var(--blue-dark);
}
.pay-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.pay-methods button {
  height: 46px;
  font-weight: 800;
}
.pay-methods button.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.change-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
}
.change-row b {
  color: var(--accent);
  font-size: 22px;
}
.finish, .secondary, .ghost {
  min-height: 44px;
}
.receipt-preview {
  min-height: 0;
  overflow: auto;
  padding: 12px;
  border: 1px dashed #9fb3c6;
  border-radius: 8px;
  background: #fbfcfd;
}
.receipt-preview strong, .receipt-preview span {
  display: block;
}
.receipt-preview span {
  margin: 5px 0 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}
.settings-dialog, .work-dialog {
  width: min(560px, calc(100vw - 32px));
  border: 0;
  border-radius: 10px;
  padding: 0;
  box-shadow: 0 24px 80px rgba(15, 34, 51, .24);
}
.settings-dialog {
  width: min(940px, calc(100vw - 48px));
}
.work-dialog {
  width: min(960px, calc(100vw - 48px));
}
.settings-dialog::backdrop, .work-dialog::backdrop {
  background: rgba(8, 20, 32, .42);
}
.settings-dialog form, .work-dialog form {
  padding: 18px;
  display: grid;
  gap: 14px;
}
.settings-dialog form {
  max-height: calc(100vh - 48px);
  grid-template-rows: auto minmax(0, 1fr) auto auto;
}
.settings-dialog header, .work-dialog header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.settings-dialog header span,
.work-dialog header span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.settings-dialog h2 {
  margin: 4px 0 10px;
  color: var(--blue-dark);
  font-size: 16px;
}
.settings-dialog p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}
.settings-grid {
  min-height: 0;
  overflow: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding-right: 4px;
}
.settings-grid section {
  min-width: 0;
}
.settings-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
}
.settings-card span,
.version-text {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.settings-card button {
  grid-row: span 2;
}
.version-text {
  display: block;
  margin: 10px 0 18px;
}
.toggle-card {
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 10px;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
  color: var(--ink);
}
.toggle-card input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
}
.toggle-card span {
  display: grid;
  gap: 3px;
}
.toggle-card small {
  color: var(--muted);
  font-weight: 600;
  line-height: 1.35;
}
.settings-status {
  min-height: 20px;
  font-weight: 800;
}
.settings-dialog menu, .work-dialog menu {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.work-dialog-body {
  max-height: min(68vh, 680px);
  overflow: auto;
}
.dialog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.dialog-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dialog-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dialog-list {
  display: grid;
  gap: 8px;
}
.list-row {
  min-height: 54px;
  display: grid;
  grid-template-columns: 90px 1fr 220px 92px;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f8fbfe;
  text-align: left;
}
.list-row strong,
.list-row small,
.list-row span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.list-row small {
  color: var(--muted);
}
.list-row b {
  color: var(--accent);
  text-align: right;
}
.board-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 10px;
}
.cash-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
}
.cash-summary span {
  color: var(--muted);
  font-weight: 700;
}
.stock-edit-row {
  display: grid;
  grid-template-columns: 80px 1fr 120px 100px;
  align-items: end;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
}
.stock-edit-row input {
  height: 36px;
  font-size: 15px;
}
.kitchen-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.kitchen-card header {
  display: flex;
  justify-content: space-between;
}
.kitchen-card div {
  display: grid;
  grid-template-columns: 48px 1fr 170px;
  gap: 10px;
  padding: 7px;
  border-radius: 6px;
  background: #f8fbfe;
}
.kitchen-card small {
  color: var(--muted);
}
.icon-button {
  width: 34px;
  height: 34px;
}
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 420px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #0f263a;
  color: #fff;
  box-shadow: 0 18px 46px rgba(0,0,0,.22);
  font-weight: 700;
}
.modal-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: transparent;
  z-index: 30;
}
.login-modal {
  width: 538px;
  border: 1px solid #c3d2e1;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 18px 60px rgba(32, 58, 82, .18);
  overflow: hidden;
}
.login-modal header {
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 24px;
  border-bottom: 1px solid var(--line);
  background: #f7fbff;
}
.modal-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.modal-title span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: #e8f1fa;
  color: var(--blue-dark);
  font-weight: 900;
  font-size: 13px;
}
.modal-title strong {
  font-size: 19px;
}
.login-body {
  padding: 22px 24px 26px;
  display: grid;
  gap: 16px;
}
.login-body p {
  margin: 0 0 4px;
  color: var(--blue-dark);
  font-weight: 800;
}
.login-body .primary {
  height: 50px;
  margin-top: 12px;
}
.message {
  min-height: 20px;
  color: var(--red);
  font-weight: 800;
}
@media (max-width: 1180px) {
  body { overflow: auto; }
  .app-shell {
    min-width: 0;
    height: auto;
    min-height: 100vh;
    grid-template-rows: auto auto auto;
  }
  .titlebar, .statusline {
    flex-wrap: wrap;
    min-height: 44px;
  }
  .ribbon {
    padding-top: 16px;
  }
  .workspace {
    display: block;
  }
  .mode-tabs {
    overflow-x: auto;
    min-height: 54px;
  }
  .panels {
    grid-template-columns: 1fr;
  }
  .panel {
    min-height: 420px;
  }
  .category-grid {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
  .settings-grid,
  .dialog-grid.two,
  .dialog-grid.three {
    grid-template-columns: 1fr;
  }
}