:root {
  --bg: #f4f7ff;
  --surface: #ffffff;
  --surface-2: #edf3ff;
  --surface-3: #f2ffd7;
  --ink: #111827;
  --muted: #606b7c;
  --line: #d9e4f5;
  --line-strong: #b9c9e6;
  --accent: #1752ff;
  --accent-dark: #0b38c8;
  --accent-2: #113d92;
  --accent-3: #c8ff1f;
  --accent-3-dark: #9fd200;
  --accent-3-ink: #172500;
  --focus: rgba(23, 82, 255, 0.28);
  --warning-bg: #fff7cc;
  --warning-ink: #5a4700;
  --danger-bg: #e8efff;
  --danger-ink: #0b38c8;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 780;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent-3);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 650;
}

.nav a:hover {
  background: var(--surface-2);
  color: var(--ink);
  text-decoration: none;
}

.logout {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 30px 0 52px;
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 22px;
}

.page-head h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

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

.metric {
  position: relative;
  min-height: 104px;
  padding: 18px;
  overflow: hidden;
}

.metric::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent);
}

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

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 30px;
  line-height: 1;
}

.panel {
  margin-bottom: 18px;
  padding: 20px;
  min-width: 0;
}

.panel.narrow {
  max-width: 620px;
}

.panel h2,
.auth-panel h1 {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.panel-head h2 {
  margin: 0;
}

.panel-subtitle {
  margin: 4px 0 0;
}

.accordion-stack {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.accordion-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.accordion-panel summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
}

.accordion-panel summary::-webkit-details-marker {
  display: none;
}

.accordion-panel summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  font-weight: 780;
}

.accordion-panel[open] summary::after {
  content: "-";
}

.accordion-panel summary:hover {
  background: var(--surface-2);
}

.accordion-panel summary strong {
  display: block;
  font-size: 18px;
  line-height: 1.25;
}

.accordion-panel summary small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.accordion-body {
  padding: 18px 20px 20px;
  border-top: 1px solid var(--line);
}

.stack {
  display: grid;
  gap: 13px;
}

.stack.compact {
  gap: 10px;
}

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

.filters {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.position-filters {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.filter-actions {
  display: flex;
  gap: 8px;
  grid-column: span 2;
}

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

.field-hint {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(220px, 420px) auto;
  align-items: center;
  gap: 10px;
}

.page-head .inline-form {
  width: min(100%, 560px);
}

.inline-form.wide {
  grid-template-columns: minmax(240px, 1fr) auto auto;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.checkbox input {
  width: auto;
  min-height: auto;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 9px 16px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 720;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button:hover,
button:hover {
  background: var(--surface-2);
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

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

.button.small {
  min-height: 36px;
  padding: 5px 10px;
  font-size: 13px;
}

.icon-button {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

.alert {
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid #efd76a;
  border-radius: 8px;
  background: var(--warning-bg);
  color: var(--warning-ink);
}

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

.badge,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 7px;
  padding: 3px 8px;
  background: var(--surface-2);
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 720;
}

.badge.danger {
  background: var(--danger-bg);
  color: var(--danger-ink);
}

.badge.warning {
  background: var(--surface-3);
  color: var(--accent-3-ink);
}

code {
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--accent-2);
  font: 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.score-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 28px;
  border-radius: 7px;
  padding: 3px 8px;
  background: var(--surface-2);
  color: var(--accent-2);
  font-weight: 780;
}

.score-good {
  background: var(--surface-3);
  color: var(--accent-3-ink);
}

.score-average {
  background: var(--warning-bg);
  color: var(--warning-ink);
}

.score-bad {
  background: var(--danger-bg);
  color: var(--danger-ink);
}

.score-unknown {
  background: var(--surface-2);
  color: var(--muted);
}

.score-card::before {
  background: var(--line-strong);
}

.score-card.score-good::before {
  background: var(--accent-3-dark);
}

.score-card.score-average::before {
  background: #f1cc2b;
}

.score-card.score-bad::before {
  background: var(--accent);
}

.page-speed-actions {
  margin-bottom: 14px;
}

.position-panel {
  overflow: hidden;
}

.position-panel-head {
  align-items: flex-start;
}

.position-chart-wrap {
  width: 100%;
  min-height: 360px;
  overflow-x: auto;
  padding: 8px 0 2px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.position-chart {
  display: block;
  min-width: 920px;
  width: 100%;
  height: 360px;
}

.position-plot-bg {
  fill: #fbfdff;
}

.position-grid {
  stroke: #dce6f7;
  stroke-width: 1;
}

.position-grid.vertical {
  stroke: #edf3ff;
}

.position-axis-label,
.position-x-label {
  fill: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.position-x-label {
  text-anchor: middle;
}

.position-line,
.position-dot {
  transition: opacity 180ms ease;
}

.position-line.is-hidden,
.position-dot.is-hidden {
  opacity: 0.05;
}

.position-legend-shell {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.position-legend-shell > .button {
  justify-self: start;
}

.position-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 10px;
}

.position-legend-item {
  min-height: 54px;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f9ff;
  cursor: pointer;
}

.position-legend-item input {
  width: 18px;
  min-height: 18px;
}

.position-legend-item.is-muted {
  opacity: 0.55;
}

.position-swatch,
.position-table-label {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--series-color);
}

.position-legend-text {
  min-width: 0;
}

.position-legend-text strong,
.position-legend-text small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.position-legend-text strong {
  font-size: 13px;
}

.position-legend-text small {
  color: var(--muted);
  font-size: 12px;
}

.position-table-label {
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
}

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

.serp-change-panel {
  border-color: #c9d9ff;
}

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

.serp-change-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f9ff;
}

.serp-change-item h3 {
  margin: 7px 0 4px;
  color: var(--accent);
  font-size: 20px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.serp-change-item p {
  margin: 0;
  color: var(--muted);
}

.serp-change-meta {
  min-width: 150px;
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 8px;
  align-items: center;
  justify-content: end;
  color: var(--muted);
  font-weight: 780;
}

.serp-change-meta a {
  grid-column: 1 / -1;
  justify-self: end;
  font-size: 13px;
}

.anomaly-panel {
  padding: 0;
  overflow: hidden;
}

.anomaly-head {
  align-items: flex-start;
  margin: 0;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.anomaly-head h2 {
  margin-bottom: 0;
  font-size: 28px;
}

.anomaly-overview {
  display: grid;
  grid-template-columns: 0.9fr 0.9fr 1.6fr;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.anomaly-kpi,
.anomaly-prime {
  min-height: 132px;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}

.anomaly-kpi:last-child,
.anomaly-prime:last-child {
  border-right: 0;
}

.anomaly-kpi {
  position: relative;
}

.anomaly-kpi::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent-2);
}

.anomaly-kpi.accent::before {
  background: var(--accent-3-dark);
}

.anomaly-kpi span,
.anomaly-risk span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
}

.anomaly-kpi strong {
  display: block;
  margin: 5px 0;
  font-size: 42px;
  line-height: 1;
}

.anomaly-kpi small,
.anomaly-prime p,
.anomaly-item p {
  color: var(--muted);
}

.anomaly-prime {
  display: grid;
  align-content: center;
  gap: 8px;
}

.anomaly-prime strong {
  display: block;
  font-size: 24px;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.anomaly-prime p {
  margin: 0;
  max-width: 62ch;
}

.anomaly-list {
  display: grid;
}

.anomaly-list.nested {
  border-top: 1px solid var(--line);
}

.anomaly-section-label {
  padding: 14px 24px 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #f7f9ff;
  border-bottom: 1px solid var(--line);
}

.anomaly-section-label.secondary {
  color: var(--muted);
  background: var(--surface);
}

.anomaly-spoiler {
  border-top: 1px solid var(--line);
}

.anomaly-spoiler summary {
  min-height: 50px;
  display: flex;
  align-items: center;
  padding: 12px 24px;
  color: var(--accent);
  font-weight: 780;
  cursor: pointer;
  list-style: none;
}

.anomaly-spoiler summary::-webkit-details-marker {
  display: none;
}

.anomaly-spoiler summary::after {
  content: "+";
  margin-left: 10px;
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
}

.anomaly-spoiler[open] summary::after {
  content: "-";
}

.anomaly-spoiler summary:hover {
  background: #f7f9ff;
}

.anomaly-item {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.anomaly-item:last-child {
  border-bottom: 0;
}

.anomaly-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 18px;
  align-items: start;
}

.anomaly-item h3 {
  margin: 8px 0 4px;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.anomaly-item p {
  margin: 0;
}

.anomaly-risk {
  text-align: right;
}

.anomaly-risk strong {
  display: block;
  margin: 3px 0 8px;
  font-size: 28px;
  line-height: 1;
}

.risk-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #dbe7ff;
}

.risk-bar span {
  display: block;
  width: var(--risk);
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.anomaly-meta,
.anomaly-geos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.anomaly-meta {
  margin-top: 12px;
}

.anomaly-meta span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 7px;
  padding: 4px 8px;
  background: #f7f9ff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.anomaly-ai {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  padding: 11px 12px;
  border: 1px solid #dce8ff;
  border-radius: 8px;
  background: #f7fbff;
}

.anomaly-ai span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.anomaly-ai p,
.anomaly-ai small {
  margin: 0;
  color: var(--muted);
}

.anomaly-ai small {
  font-size: 12px;
}

.anomaly-geos {
  margin-top: 12px;
}

.anomaly-geos a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  border-radius: 7px;
  padding: 4px 9px;
  background: var(--surface-3);
  color: var(--accent-3-ink);
  font-size: 12px;
  font-weight: 760;
}

.anomaly-geos a:hover {
  background: #e7ff9d;
  text-decoration: none;
}

.empty-state {
  display: grid;
  gap: 4px;
  padding: 24px;
  color: var(--muted);
}

.empty-state strong {
  color: var(--ink);
}

.chips.vertical {
  align-content: start;
}

.brand-group-list {
  display: grid;
  gap: 14px;
}

.brand-group {
  display: grid;
  gap: 7px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.brand-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

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

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

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tbody tr:hover {
  background: #f7f9ff;
}

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

.reset-form {
  display: flex;
  gap: 8px;
}

.reset-form input {
  width: 180px;
  min-height: 32px;
}

.kv {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 9px 14px;
  margin: 0;
}

.kv dt {
  color: var(--muted);
  font-weight: 720;
}

.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.block-kv {
  margin-bottom: 14px;
}

.change-list,
.plain-list,
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.change-list li,
.plain-list li,
.timeline li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.change-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.heading-outline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.heading-outline li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.heading-outline li:last-child {
  border-bottom: 0;
}

.heading-tag {
  display: inline-flex;
  justify-content: center;
  min-width: 44px;
  border-radius: 7px;
  padding: 2px 8px;
  background: var(--surface-2);
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 780;
}

.heading-text {
  overflow-wrap: anywhere;
}

.heading-level-1 {
  margin-left: 0;
  font-size: 22px;
  font-weight: 760;
}

.heading-level-2 {
  margin-left: 28px;
  font-size: 19px;
  font-weight: 720;
}

.heading-level-3 {
  margin-left: 56px;
  font-size: 17px;
}

.heading-level-4 {
  margin-left: 84px;
}

.heading-level-5 {
  margin-left: 112px;
}

.heading-level-6 {
  margin-left: 140px;
}

.timeline span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.text-sample {
  max-height: 560px;
  overflow: auto;
  margin: 0;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f7f9ff;
  color: #172033;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.schema-sample {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.seo-block-list {
  display: grid;
  gap: 14px;
}

.seo-block {
  display: grid;
  gap: 10px;
}

.seo-block + .seo-block {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.seo-block-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.seo-block-head strong,
.seo-block-head span {
  display: block;
}

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

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
}

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

.auth-panel {
  padding: 28px;
}

.auth-brand {
  margin-bottom: 22px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

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

  .nav {
    margin-left: 0;
  }

  .grid.two,
  .metric-grid,
  .anomaly-overview {
    grid-template-columns: 1fr;
  }

  .anomaly-kpi,
  .anomaly-prime {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .anomaly-prime {
    border-bottom: 0;
  }

  .anomaly-main {
    grid-template-columns: 1fr;
  }

  .serp-change-item {
    grid-template-columns: 1fr;
  }

  .serp-change-meta {
    justify-content: start;
  }

  .anomaly-risk {
    max-width: 180px;
    text-align: left;
  }

  .inline-form,
  .inline-form.wide,
  .form-row,
  .filters,
  .position-filters {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .filter-actions {
    grid-column: auto;
  }

  .kv {
    grid-template-columns: 1fr;
  }

  .page-head h1 {
    font-size: 30px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100vw - 20px, 1240px);
    padding-top: 18px;
  }

  .topbar {
    padding: 10px;
  }

  table {
    display: block;
    overflow-x: auto;
  }
}