:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --text: #172026;
  --muted: #65717a;
  --line: #d8e0e5;
  --primary: #096b72;
  --primary-dark: #064e55;
  --accent: #8b5d18;
  --danger: #b42318;
  --success: #197a3e;
  --warning: #a15c00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 58px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: 14px;
  flex: 1;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
}

.page {
  width: min(1440px, calc(100vw - 40px));
  margin: 28px auto 56px;
}

.page-heading,
.section-heading,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 18px;
}

.panel,
.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(23, 32, 38, 0.04);
}

.panel {
  margin-top: 18px;
  padding: 20px;
}

.panel.narrow {
  max-width: 820px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.metric {
  min-height: 84px;
  padding: 14px;
}

.metric.wide {
  grid-column: span 2;
}

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

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
  line-height: 1.25;
}

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

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

th,
td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

td.run-reason,
td.run-url {
  max-width: 360px;
  white-space: normal;
  overflow-wrap: anywhere;
}

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

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #eef2f4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.badge {
  display: inline-flex;
  min-width: 76px;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: #edf1f3;
  color: #42515c;
  font-size: 12px;
  font-weight: 700;
}

.badge.valid {
  background: #e6f4ec;
  color: var(--success);
}

.badge.code_not_working,
.badge.discount_percent_mismatch {
  background: #feeceb;
  color: var(--danger);
}

.badge.discount_unknown,
.badge.coupon_field_missing,
.badge.login_failed,
.badge.checkout_unreachable,
.badge.handler_failed,
.badge.checkout_flow_changed,
.badge.captcha_or_blocked,
.badge.network_error,
.badge.ambiguous {
  background: #fff3df;
  color: var(--warning);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 16px;
}

.form-stack {
  display: grid;
  gap: 14px;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  padding: 9px 10px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input[readonly] {
  background: #eef2f4;
  color: var(--muted);
}

.full {
  grid-column: 1 / -1;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
}

.check-row input {
  width: 18px;
  min-height: 18px;
}

.check-row span {
  margin: 0;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 13px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button.primary,
.icon-button {
  background: var(--primary);
  color: #ffffff;
}

.button.primary:hover,
.icon-button:hover {
  background: var(--primary-dark);
}

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

.button.ghost {
  border-color: var(--line);
  background: #ffffff;
  color: var(--muted);
}

.alert {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 6px;
  font-weight: 650;
}

.alert.danger {
  background: #feeceb;
  color: var(--danger);
}

.alert.neutral {
  background: #e9f3f4;
  color: var(--primary-dark);
}

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

.run-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
}

.spacer-top {
  margin-top: 18px;
}

.login-body {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

.login-shell {
  width: min(420px, calc(100vw - 32px));
}

.login-panel {
  margin-top: 0;
}

.login-panel h1 {
  margin-bottom: 18px;
}

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .page {
    width: min(100vw - 24px, 100%);
    margin-top: 18px;
  }

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

  .metric.wide {
    grid-column: auto;
  }
}