:root {
  --bg: #eef3f1;
  --surface: #ffffff;
  --ink: #1e2a2f;
  --muted: #68767c;
  --line: #d9e2df;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #2563eb;
  --warning: #b45309;
  --danger: #b91c1c;
  --success: #15803d;
  --shadow: 0 18px 45px rgba(25, 48, 54, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 460px) minmax(320px, 1fr);
  gap: 32px;
  align-items: center;
  padding: 48px;
}

.login-panel,
.login-summary,
.panel,
.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login-panel {
  padding: 32px;
}

.brand-block,
.sidebar-brand,
.topbar,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-block {
  justify-content: flex-start;
  margin-bottom: 28px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 800;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 30px;
}

h2 {
  margin-bottom: 12px;
  font-size: 22px;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label,
.barcode-box label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.login-form input,
.login-form select,
.barcode-box input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fbfdfc;
}

.login-form button,
.panel-heading button,
.secondary-button {
  min-height: 42px;
  border-radius: 6px;
  padding: 0 16px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

.login-form button:hover,
.panel-heading button:hover {
  background: var(--primary-dark);
}

.secondary-button {
  color: var(--primary);
  background: #e3f4f1;
}

.form-error {
  min-height: 18px;
  margin: 0;
  color: var(--danger);
  font-size: 13px;
}

.form-error.success-message {
  color: var(--success);
  font-weight: 700;
}

.login-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.login-summary {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  color: #ffffff;
  background:
    linear-gradient(rgba(15, 118, 110, 0.84), rgba(20, 83, 45, 0.82)),
    url("https://images.unsplash.com/photo-1587854692152-cbe660dbde88?auto=format&fit=crop&w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.login-summary p {
  max-width: 700px;
  color: #edfdf9;
  line-height: 1.6;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.summary-grid article {
  min-height: 90px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.12);
}

.summary-grid span,
.summary-grid strong {
  display: block;
}

.summary-grid span {
  margin-bottom: 10px;
  color: #dff7f1;
  font-size: 13px;
}

.summary-grid strong {
  font-size: 20px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  padding: 22px;
  color: #ffffff;
  background: #18333b;
}

.sidebar-brand {
  justify-content: flex-start;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-brand span {
  display: block;
  margin-top: 4px;
  color: #b9d5d1;
  font-size: 13px;
}

.nav-list {
  display: grid;
  gap: 6px;
  margin-top: 22px;
}

.nav-list button {
  min-height: 40px;
  border-radius: 6px;
  padding: 0 12px;
  color: #dce7e5;
  background: transparent;
  text-align: left;
}

.nav-list button.active,
.nav-list button:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.topbar {
  margin-bottom: 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  min-height: 132px;
  padding: 20px;
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  margin: 12px 0;
  font-size: 27px;
}

.metric-card.warning strong {
  color: var(--warning);
}

.metric-card.danger strong {
  color: var(--danger);
}

.metric-card.success strong {
  color: var(--success);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 16px;
  margin-top: 16px;
}

.panel {
  padding: 20px;
}

.panel-heading {
  margin-bottom: 18px;
}

.barcode-box {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 8px;
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 13px;
}

.alert-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.alert-list li {
  border-left: 4px solid var(--primary);
  padding: 10px 12px;
  background: #f4f8f7;
}

.alert-list strong,
.alert-list span {
  display: block;
}

.alert-list span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.module-form {
  display: grid;
  gap: 10px;
}

.module-form input,
.module-form select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  background: #fbfdfc;
}

.search-select {
  position: relative;
}

.search-select input[type="search"] {
  width: 100%;
}

.search-results {
  position: absolute;
  z-index: 20;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  display: none;
  max-height: 230px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.search-select.open .search-results {
  display: grid;
}

.search-results button {
  min-height: 48px;
  border-bottom: 1px solid var(--line);
  padding: 8px 12px;
  color: var(--ink);
  background: #ffffff;
  text-align: left;
}

.search-results button:hover,
.search-results button:focus {
  background: #e3f4f1;
}

.search-results strong,
.search-results span {
  display: block;
}

.search-results span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.module-form button {
  min-height: 42px;
  border-radius: 6px;
  padding: 0 16px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

.form-section-title {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.field-help {
  margin: -4px 0 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.wide-panel {
  min-width: 0;
}

.list-search {
  width: 100%;
  min-height: 42px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  background: #fbfdfc;
}

.medicine-list {
  display: grid;
  gap: 10px;
}

.medicine-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fbfdfc;
}

.medicine-list-main {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.medicine-list-main strong,
.medicine-list-main span {
  overflow-wrap: anywhere;
}

.medicine-list-main span {
  color: var(--muted);
  font-size: 13px;
}

.medicine-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 13px;
}

.medicine-list-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.medicine-list-actions button {
  min-height: 36px;
  flex: 0 1 auto;
  border-radius: 6px;
  padding: 0 12px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

.compact-sale-list {
  display: grid;
  gap: 10px;
}

.compact-sale-card {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fbfdfc;
}

.compact-sale-top,
.compact-sale-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.compact-sale-top strong {
  overflow-wrap: anywhere;
}

.compact-sale-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.compact-sale-meta span {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.compact-sale-meta small {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.compact-sale-actions {
  justify-content: flex-start;
}

.compact-sale-actions button {
  min-height: 36px;
  flex: 0 1 auto;
  border-radius: 6px;
  padding: 0 12px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
}

.return-invoice-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f4f8f7;
}

.return-invoice-summary span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.return-invoice-summary strong {
  overflow-wrap: anywhere;
}

.return-item-controls {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.return-item-controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.return-item-controls input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #ffffff;
  color: var(--ink);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.muted-copy {
  color: var(--muted);
  line-height: 1.6;
}

.status {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
}

.status.success {
  color: var(--success);
  background: #dcfce7;
}

.status.danger {
  color: var(--danger);
  background: #fee2e2;
}

.status.warning {
  color: #92400e;
  background: #fef3c7;
}

.report-panel {
  margin-top: 16px;
}

.report-shell {
  display: grid;
  gap: 16px;
}

.report-filter-panel {
  display: grid;
  gap: 16px;
}

.report-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.report-title-row h2 {
  margin: 0 0 4px;
}

.report-title-row p {
  margin: 0;
  color: var(--muted);
}

.report-title-row button,
.report-filter-form button {
  min-height: 42px;
  border-radius: 6px;
  padding: 0 16px;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

.report-filter-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr)) auto;
  gap: 10px;
  align-items: end;
}

.report-filter-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.report-filter-form input,
.report-filter-form select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  background: #fbfdfc;
  color: var(--ink);
  font-size: 15px;
  font-weight: 400;
}

.report-filter-form .form-error {
  grid-column: 1 / -1;
}

.report-kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 12px;
}

.report-kpi {
  min-width: 0;
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 14px;
  background: #ffffff;
}

.report-kpi span,
.report-kpi small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.report-kpi strong {
  display: block;
  margin: 8px 0 4px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.report-kpi.success {
  border-left-color: var(--success);
}

.report-kpi.warning {
  border-left-color: var(--warning);
}

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

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.report-section {
  min-width: 0;
}

.report-section .table-wrap {
  overflow-x: auto;
}

.report-section table {
  font-size: 14px;
}

.report-section th,
.report-section td {
  padding: 10px 8px;
}

.report-section td:nth-child(2),
.report-section th:nth-child(2) {
  white-space: nowrap;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-size: 18px;
}

.cart-total strong {
  color: var(--primary);
}

.checkout-breakdown {
  display: grid;
  gap: 8px;
  font-size: 15px;
}

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

.pos-checkout-grid {
  margin-top: 16px;
}

.voice-assistant {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f4f8f7;
}

.voice-assistant button {
  min-height: 38px;
  border-radius: 6px;
  padding: 0 14px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 800;
}

.voice-assistant p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

[data-refresh],
[data-backup],
[data-go] {
  white-space: nowrap;
}

.action-cell {
  display: flex;
  gap: 8px;
  min-width: 150px;
}

.action-cell button {
  min-height: 34px;
  border-radius: 6px;
  padding: 0 10px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
}

.danger-button {
  background: var(--danger) !important;
}

@media print {
  .sidebar,
  .topbar,
  .login-page,
  .panel-heading button,
  .action-cell {
    display: none !important;
  }

  .app-shell,
  .workspace {
    display: block;
    padding: 0;
  }

  .panel,
  .metric-card {
    box-shadow: none;
  }

  .report-title-row button,
  .report-filter-form {
    display: none !important;
  }

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

  .panel,
  .report-kpi {
    break-inside: avoid;
  }
}

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

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

  .sidebar {
    position: static;
  }

  .medicine-list-item {
    grid-template-columns: 1fr;
  }

  .medicine-list-meta {
    justify-content: flex-start;
  }

  .return-invoice-summary,
  .return-item-controls {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .login-page,
  .workspace {
    padding: 20px;
  }

  .login-summary {
    min-height: 360px;
    padding: 24px;
  }

  .metric-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-heading,
  .report-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

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