:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --ink: #17202e;
  --muted: #657287;
  --line: #dbe3ee;
  --panel: #ffffff;
  --accent: #0f8b8d;
  --accent-2: #f5a524;
  --danger: #bf3b3b;
}

* {
  box-sizing: border-box;
}

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

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

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  padding: 10px 14px;
  cursor: pointer;
}

button.secondary {
  background: #e9eef5;
  color: var(--ink);
}

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  border-radius: 6px;
  padding: 0 13px;
  background: #e9eef5;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

button.danger {
  background: #f6e8e8;
  color: var(--danger);
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(15, 139, 141, 0.16), rgba(245, 165, 36, 0.14)),
    var(--bg);
}

.login-screen.hidden {
  display: none;
}

.login-box {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(23, 32, 46, 0.13);
}

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

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 19px;
}

p {
  color: var(--muted);
  margin-top: 6px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.section-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 4px 0 16px;
  padding: 4px;
  width: max-content;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #edf2f8;
}

.section-tabs button {
  background: transparent;
  color: var(--ink);
  padding: 8px 12px;
}

.section-tabs button.active {
  background: var(--panel);
  box-shadow: 0 1px 5px rgba(23, 32, 46, 0.08);
}

.app-section {
  display: none;
}

.app-section.active {
  display: block;
}

.metric, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric {
  padding: 16px;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 13px;
}

.metric strong {
  display: block;
  font-size: 24px;
  margin-top: 6px;
}

.metric small {
  display: block;
  margin-top: 4px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #f8fafc;
}

.stat-card span {
  color: var(--muted);
  display: block;
  font-size: 13px;
}

.stat-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.stat-card small {
  display: block;
  margin-top: 4px;
}

.system-grid,
.update-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.system-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #f8fafc;
}

.system-card span {
  color: var(--muted);
  display: block;
  font-size: 13px;
}

.system-card strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
}

.system-card small {
  display: block;
  margin-top: 4px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.period-field {
  min-width: 180px;
}

.stats-columns .panel {
  margin-top: 0;
}

.event-filters {
  display: grid;
  grid-template-columns: minmax(120px, 160px) minmax(180px, 260px) auto;
  align-items: end;
  gap: 10px;
}

.panel {
  padding: 18px;
  margin-top: 16px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.panel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.search-field {
  min-width: min(360px, 100%);
}

.notice {
  min-height: 20px;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.webhook-card {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.webhook-card:empty {
  display: none;
}

.webhook-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.webhook-head h3 {
  margin: 0;
  font-size: 16px;
  margin-right: auto;
}

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

.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.copy-row input {
  min-width: 0;
  font-family: Consolas, "Liberation Mono", monospace;
}

.grid-form {
  display: grid;
  grid-template-columns: minmax(150px, 0.9fr) minmax(180px, 1fr) minmax(170px, 1fr) minmax(340px, 2fr) minmax(210px, 1.3fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
}

.product-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px 10px;
  align-items: start;
}

.product-grid .mapping-source-field {
  grid-column: 1 / 11;
}

.product-grid .mapping-source-actions {
  grid-column: 11 / 13;
  align-self: end;
}

.mapping-marketplace-field {
  grid-column: span 2;
}

.mapping-lot-field {
  grid-column: span 2;
}

.variant-field {
  grid-column: span 3;
}

.mapping-action-field {
  grid-column: span 2;
}

.mapping-params-field {
  grid-column: span 3;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.tariff-field {
  grid-column: span 4;
}

.mapping-title-field {
  grid-column: span 4;
}

.mapping-template-field {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.template-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 2fr);
  gap: 16px;
  align-items: start;
}

.template-editor {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  min-width: 0;
}

.template-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.template-head .panel-actions {
  justify-content: flex-end;
}

#deliveryTemplate {
  width: 100%;
  min-height: 320px;
}

.variable-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.variable-buttons button {
  padding: 7px 9px;
  background: #e9eef5;
  color: var(--ink);
}

.variable-editor-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 2fr);
  gap: 16px;
  align-items: start;
}

.variable-list-panel,
.variable-compose-panel {
  min-width: 0;
}

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

.variable-meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.mapping-form-actions {
  grid-column: 1 / -1;
  align-self: start;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.row-actions {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.product-grid label small {
  display: block;
  line-height: 1.25;
  min-height: 32px;
}

.tariff-field,
.variant-field {
  min-width: 0;
  position: relative;
}

#tariffSearch,
#variantSearch {
  width: 100%;
}

.tariff-dropdown,
.variant-dropdown {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  top: 62px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 14px 30px rgba(23, 32, 46, 0.16);
  padding: 4px;
}

.tariff-dropdown.hidden,
.variant-dropdown.hidden {
  display: none;
}

.tariff-option,
.variant-option {
  width: 100%;
  display: block;
  padding: 10px 11px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  border-radius: 4px;
  white-space: normal;
}

.tariff-option:hover,
.tariff-option:focus,
.variant-option:hover,
.variant-option:focus {
  background: #e9eef5;
  color: var(--ink);
}

.tariff-empty,
.variant-empty {
  padding: 10px 11px;
  color: var(--muted);
}

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

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.settings-form button {
  grid-column: 1 / -1;
  justify-self: start;
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr 1.1fr auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
}

.check-row {
  grid-template-columns: auto 1fr;
  align-items: center;
  color: var(--ink);
  min-height: 43px;
}

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

.action-param-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.action-param-grid .check-row {
  grid-template-columns: auto 1fr;
}

.hidden {
  display: none !important;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input, select, textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--ink);
  min-width: 0;
  background: #fff;
}

textarea {
  min-height: 42px;
  resize: vertical;
}

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

.scroll-card {
  max-height: min(520px, 58vh);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scroll-card table {
  min-width: 920px;
}

.scroll-card thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel);
}

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

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

th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  background: #e7f5f2;
  color: #087568;
}

.pill.off {
  background: #f6e8e8;
  color: var(--danger);
}

.pill.neutral {
  background: #eef2f7;
  color: var(--muted);
}

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

@media (max-width: 800px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .metrics,
  .stat-grid,
  .grid-form,
  .two-column,
  .template-layout,
  .variable-editor-layout,
  .variable-meta-grid,
  .settings-form,
  .inline-form,
  .event-filters {
    grid-template-columns: 1fr;
  }

  .section-tabs {
    width: 100%;
  }

  .section-tabs button {
    flex: 1 1 120px;
  }

  .product-grid > * {
    grid-column: 1 / -1;
  }
}