:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface-soft: #f9fafb;
  --ink: #17202a;
  --muted: #637083;
  --line: #d8dee6;
  --line-soft: #e8edf2;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --success-soft: #eefbf3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Segoe UI, Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
  font-size: 17px;
  font-weight: 700;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav a {
  padding: 7px 9px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.session {
  display: grid;
  grid-template-columns: 112px 220px auto;
  gap: 8px;
  align-items: end;
}

.session label {
  margin: 0;
}

.page {
  width: min(1400px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.workspace-banner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.workspace-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.workspace-card h2,
.workspace-card p:last-child {
  margin-bottom: 0;
}

.workspace-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

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

.preset-link {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface-soft);
}

.preset-link strong {
  font-size: 14px;
}

.preset-link span {
  color: var(--muted);
  font-size: 12px;
}

.lead {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}

.stand-overview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.stand-overview h1 {
  margin: 0;
  font-size: 26px;
}

.stand-metrics {
  display: flex;
  gap: 10px;
}

.stand-metrics div {
  min-width: 104px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: var(--surface-soft);
}

.stand-metrics strong {
  display: block;
  font-size: 18px;
}

.stand-metrics span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
}

.onboarding-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.filters,
.panel,
.product-card,
.order-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.filters,
.panel {
  padding: 16px;
}

.filters {
  align-self: start;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 19px;
}

h3 {
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.3;
}

.eyebrow {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.panel-title,
.section-head,
.product-head,
.buy-row,
.order-head,
.summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-title,
.section-head {
  margin-bottom: 14px;
}

.panel-title h2,
.section-head h1,
.section-head h2 {
  margin-bottom: 0;
}

.panel-title span,
.section-head span,
.maker,
.order-card p {
  color: var(--muted);
}

label {
  display: grid;
  gap: 5px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

input,
select,
button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
  font: inherit;
}

input,
select {
  width: 100%;
  background: #fff;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--accent);
}

button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 7px 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:hover,
.button-link:hover {
  background: var(--accent-dark);
}

button:disabled {
  border-color: var(--line);
  background: #c8d0da;
  cursor: not-allowed;
}

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

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

.data-pill,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.catalog {
  min-width: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 12px;
}

.product-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.maker {
  margin-bottom: 3px;
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

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

.product-meta span {
  padding: 4px 7px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
}

.product-price strong {
  font-size: 19px;
}

.spec-details {
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.spec-details summary {
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 10px 0 0;
}

.specs div {
  padding: 8px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: var(--surface-soft);
}

.specs dt {
  color: var(--muted);
  font-size: 12px;
}

.specs dd {
  margin: 0;
  font-weight: 700;
}

.inline-form {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 8px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.summary {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.notice,
.alert,
.empty {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 8px;
}

.notice {
  border: 1px solid #b7e1c8;
  background: var(--success-soft);
}

.alert {
  border: 1px solid #ffc4bd;
  background: var(--danger-soft);
}

.empty {
  border: 1px dashed var(--line);
  background: #fff;
  color: var(--muted);
}

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

.order-card {
  padding: 14px;
}

.manager-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 18px;
}

.product-form {
  align-self: start;
}

.analytics-filter {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  align-items: end;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0;
}

.plain-list {
  display: grid;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.plain-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}

.plain-list span {
  color: var(--muted);
}

.compact-list li {
  align-items: start;
}

.ordered-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
}

.ordered-list li + li {
  margin-top: 8px;
}

.status-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.stack-form {
  display: grid;
  gap: 8px;
}

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

.db-error {
  max-width: 820px;
  margin: 8vh auto 0;
}

.db-error pre {
  overflow-x: auto;
  padding: 12px;
  border-radius: 6px;
  background: #172026;
  color: #e8f0f2;
}

@media (max-width: 1120px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .session {
    grid-template-columns: 1fr 1fr auto;
  }
}

@media (max-width: 980px) {
  .workspace-banner,
  .onboarding-grid,
  .stand-overview,
  .layout,
  .manager-layout,
  .analytics-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .stand-metrics {
    width: 100%;
  }

  .session,
  .analytics-filter {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 14px;
  }

  .stand-overview,
  .stand-metrics {
    display: grid;
    grid-template-columns: 1fr;
  }

  .split,
  .session,
  .analytics-filter {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 12px 14px;
  }
}