:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #d7deea;
  --accent: #156c82;
  --accent-strong: #0f5060;
  --danger: #b42318;
  --success-bg: #e8f7ee;
  --success-text: #17633a;
  --warning-bg: #fff3d6;
  --warning-text: #8a4b00;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

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

button,
.file-button,
.secondary-link {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  padding: 0.68rem 0.85rem;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

button:hover,
.file-button:hover,
.secondary-link:hover {
  border-color: var(--accent);
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

button.primary,
.login-button {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

button.primary:hover,
.login-button:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

button.secondary {
  color: var(--muted);
}

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

button.danger:not(:disabled):hover {
  border-color: var(--danger);
}

.secondary-link {
  display: inline-block;
  text-decoration: none;
}

.login-page {
  align-items: center;
  display: grid;
  padding: 24px;
}

.login-shell {
  padding: 0;
}

.login-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: auto;
  max-width: 480px;
  padding: 32px;
  width: 100%;
}

.login-mark {
  background: var(--accent);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, 1fr);
  height: 72px;
  margin-bottom: 24px;
  padding: 16px;
  position: relative;
  width: 72px;
}

.login-mark::before,
.login-mark::after {
  background: #ffffff;
  content: "";
  left: 22px;
  position: absolute;
  right: 22px;
  top: 34px;
  height: 4px;
}

.login-mark::after {
  bottom: 22px;
  height: auto;
  left: 34px;
  right: auto;
  top: 22px;
  width: 4px;
}

.login-mark span {
  background: #ffffff;
  border-radius: 999px;
  display: block;
  position: relative;
  z-index: 1;
}

.login-copy {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  margin: 1rem 0 1.25rem;
}

.login-form {
  display: grid;
  gap: 0.85rem;
}

.login-button {
  border: 1px solid var(--accent);
  border-radius: 6px;
  display: block;
  margin-top: 0.25rem;
  padding: 0.8rem 1rem;
  text-align: center;
  text-decoration: none;
  width: 100%;
}

.login-note {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 1rem 0 0;
}

.login-error {
  color: var(--danger);
  font-weight: 700;
}

.app-header {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 2rem clamp(1rem, 4vw, 3rem) 1rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

h2 {
  font-size: 1.1rem;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.file-button input {
  display: none;
}

main {
  padding: 0 clamp(1rem, 4vw, 3rem) 3rem;
}

.sync-status {
  background: var(--warning-bg);
  border: 1px solid rgba(138, 75, 0, 0.18);
  border-radius: 8px;
  color: var(--warning-text);
  font-size: 0.9rem;
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
}

.sync-status.connected {
  background: var(--success-bg);
  border-color: rgba(23, 99, 58, 0.18);
  color: var(--success-text);
}

.sync-status.error {
  background: #fdebea;
  border-color: rgba(180, 35, 24, 0.18);
  color: var(--danger);
}

.summary-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1rem 0;
}

.summary-grid article,
.component-form,
.inventory-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary-grid article {
  padding: 1rem;
}

.summary-grid span {
  color: var(--muted);
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.summary-grid strong {
  font-size: 1.65rem;
}

.workspace {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
}

.component-form {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.form-header,
.toolbar {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.86rem;
  gap: 0.35rem;
}

input,
select,
textarea {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  min-width: 0;
  padding: 0.68rem 0.75rem;
  width: 100%;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(21, 108, 130, 0.16);
}

input[type="checkbox"] {
  height: 1rem;
  min-width: 1rem;
  width: 1rem;
}

.field-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr 1fr;
}

.inventory-panel {
  min-width: 0;
  overflow: hidden;
}

.toolbar {
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  padding: 1rem;
}

.search-label {
  flex: 1 1 260px;
}

.checkbox-label {
  align-items: center;
  display: flex;
  gap: 0.45rem;
  white-space: nowrap;
}

.checkbox-label input {
  width: auto;
}

.column-picker {
  position: relative;
}

.column-picker summary {
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  list-style: none;
  padding: 0.68rem 0.85rem;
}

.column-picker summary::-webkit-details-marker {
  display: none;
}

.column-toggle-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.6rem;
  min-width: 180px;
  padding: 0.85rem;
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  z-index: 5;
}

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

table {
  border-collapse: collapse;
  min-width: 1020px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.82rem 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.select-cell {
  padding-left: 0.7rem;
  padding-right: 0.35rem;
  text-align: center;
  width: 42px;
}

.selected-row {
  background: rgba(21, 108, 130, 0.08);
}

.sort-button {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: inherit;
  font-weight: 800;
  padding: 0;
  text-align: left;
  text-transform: uppercase;
}

.sort-button:hover {
  color: var(--accent);
}

td small {
  color: var(--muted);
  display: block;
  margin-top: 0.2rem;
}

.low-stock {
  background: var(--warning-bg);
  color: var(--warning-text);
  display: inline-block;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 0.35rem;
  padding: 0.18rem 0.45rem;
}

.read-only-label {
  background: #eef2f7;
  border-radius: 999px;
  color: var(--muted);
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.26rem 0.55rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.row-actions button {
  padding: 0.42rem 0.55rem;
}

.empty-state {
  color: var(--muted);
  margin: 0;
  padding: 2rem;
  text-align: center;
}

.account-grid {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
}

.account-form-inline {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 1rem;
}

.account-form-inline button {
  align-self: end;
}

#categoryPanel {
  grid-column: 1 / -1;
}

.category-form-inline {
  grid-template-columns: minmax(180px, 320px) auto;
  justify-content: start;
}

.category-form-inline button {
  white-space: nowrap;
}

.category-table-wrap {
  overflow-x: visible;
}

.category-table {
  min-width: 0;
  table-layout: fixed;
}

.category-table th:last-child,
.category-table td:last-child {
  text-align: right;
  width: 150px;
}

.category-table .row-actions {
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.category-table .row-actions button {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .app-header,
  .workspace,
  .account-grid {
    grid-template-columns: 1fr;
  }

  .workspace {
    display: block;
  }

  .component-form {
    margin-bottom: 1rem;
  }

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

  .account-form-inline {
    grid-template-columns: 1fr;
  }

  .category-form-inline {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (max-width: 640px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
  }

  .header-actions,
  .field-row,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .header-actions {
    display: grid;
  }

  .login-panel {
    padding: 24px;
  }

  .column-picker,
  .column-picker summary {
    width: 100%;
  }

  .column-toggle-list {
    left: 0;
    right: 0;
  }
}

@media (max-width: 460px) {
  .category-form-inline {
    grid-template-columns: 1fr;
  }

  .category-table,
  .category-table thead,
  .category-table tbody,
  .category-table tr,
  .category-table th,
  .category-table td {
    display: block;
    width: 100%;
  }

  .category-table thead {
    display: none;
  }

  .category-table tr {
    border-bottom: 1px solid var(--line);
    padding: 0.85rem 1rem;
  }

  .category-table td {
    border-bottom: 0;
    padding: 0;
  }

  .category-table td:last-child {
    margin-top: 0.65rem;
    text-align: left;
  }

  .category-table .row-actions {
    justify-content: flex-start;
  }
}