:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-soft: #f0f1ef;
  --surface-tint: #fff5f6;
  --text: #151515;
  --muted: #6c6f73;
  --muted-strong: #43464b;
  --border: #dedfdd;
  --border-strong: #c6c7c5;
  --accent: #d20a2e;
  --accent-strong: #a70623;
  --accent-soft: #fff0f3;
  --info: #174c7c;
  --ok: #0f6b4f;
  --warning: #9a3f12;
  --radius: 8px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

a {
  color: inherit;
}

button,
.button {
  min-height: 44px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 15px;
  font: inherit;
  font-weight: 650;
  line-height: 1.25;
  text-decoration: none;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

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

button:active,
.button:active {
  transform: translateY(1px);
}

button.secondary,
.button.secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--border-strong);
}

button.secondary:hover,
.button.secondary:hover {
  background: var(--surface-soft);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(210, 10, 46, 0.22);
  outline-offset: 3px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

textarea {
  resize: vertical;
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 650;
}

.container {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 820px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(222, 223, 221, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(1220px, calc(100% - 36px));
  min-height: 58px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--text);
  font-size: 15px;
  font-weight: 720;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  border-radius: 999px;
  padding: 7px 10px;
  text-decoration: none;
}

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

.workbench,
.page-intro {
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.workbench {
  padding: 34px 0;
}

.workbench-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 24px;
  align-items: stretch;
}

.checker-panel,
.result-panel,
.side-box,
.source-card,
.area-grid article,
.feedback-form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.checker-panel,
.result-panel {
  padding: 24px;
}

.checker-panel {
  border-color: #f0ced5;
  background: linear-gradient(180deg, #fff, #fff8f9);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 720;
  line-height: 1.35;
}

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

h1 {
  margin-bottom: 14px;
  font-size: 36px;
  font-weight: 690;
  line-height: 1.18;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 25px;
  font-weight: 680;
  line-height: 1.28;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 680;
  line-height: 1.38;
}

.lead {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--muted-strong);
  font-size: 17px;
  line-height: 1.75;
}

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

.risk-fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

.risk-fieldset legend {
  margin-bottom: 8px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 650;
}

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

.risk-options label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  padding: 6px 10px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.risk-options input {
  width: 15px;
  height: 15px;
  min-height: 0;
  accent-color: var(--accent);
}

.risk-options span {
  margin: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
}

.checker-form button {
  width: fit-content;
}

.result-panel {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  scroll-margin-top: 88px;
}

.priority-note {
  border: 1px solid #f0ced5;
  border-radius: var(--radius);
  background: #fff8f9;
  padding: 12px;
  margin: 14px 0 16px;
}

.priority-note span {
  color: var(--accent-strong);
  display: block;
  font-size: 12px;
  font-weight: 720;
  line-height: 1.35;
}

.priority-note p {
  margin: 4px 0 0;
  color: var(--muted-strong);
  font-size: 14px;
}

.ordered-list,
.step-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.ordered-list {
  display: grid;
  gap: 10px;
  counter-reset: item;
}

.ordered-list li {
  position: relative;
  min-height: 38px;
  border-bottom: 1px solid var(--border);
  padding: 0 0 10px 34px;
}

.ordered-list li::before {
  counter-increment: item;
  content: counter(item);
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 720;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.result-summary div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 10px;
}

.result-summary span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.45;
}

.result-summary strong {
  display: block;
  margin-top: 2px;
  color: var(--text);
  font-size: 19px;
  font-weight: 690;
  line-height: 1.2;
}

.result-block {
  margin-top: 18px;
}

.result-block h3 {
  margin-bottom: 8px;
  font-size: 15px;
}

.compact-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted-strong);
  font-size: 14px;
}

.compact-list li + li {
  margin-top: 4px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.pill-list span {
  border: 1px solid #f0ced5;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-strong);
  padding: 5px 10px;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
}

.source-select {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.section {
  padding: 42px 0;
}

.section.alt {
  background: #fff;
  border-block: 1px solid var(--border);
}

.section.dense {
  padding: 34px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-row div,
.metric-grid div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
}

.metric-row strong,
.metric-grid strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 25px;
  font-weight: 690;
  line-height: 1.2;
}

.metric-row span,
.metric-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.5;
}

.section-head {
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.topic-card {
  min-height: 210px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  display: flex;
  flex-direction: column;
  padding: 18px;
  text-decoration: none;
}

.topic-card:hover {
  border-color: #e8a5b2;
  box-shadow: 0 14px 34px rgba(36, 36, 36, 0.08);
}

.topic-card span,
.source-rail article span,
.source-card span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
}

.topic-card strong {
  margin: 10px 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

.topic-card p {
  margin-bottom: 0;
  color: var(--muted-strong);
  font-size: 14px;
}

.source-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.source-rail.compact {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.source-rail article {
  border-left: 3px solid var(--accent);
  background: #fff;
  padding: 16px 16px 18px;
}

.source-rail h3 {
  min-height: 86px;
  font-size: 16px;
}

.source-rail.compact h3 {
  min-height: 112px;
}

.source-link {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 12px;
  color: var(--text);
  text-decoration: none;
}

.source-link:hover {
  border-color: #e8a5b2;
  background: var(--accent-soft);
}

.source-link span {
  font-size: 14px;
  font-weight: 650;
}

.source-link small {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
}

.page-intro {
  padding: 34px 0 30px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.flag-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.flag-grid.local {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 28px;
}

.flag-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  padding: 14px;
}

.flag-card span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
}

.flag-card p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 14px;
  line-height: 1.65;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.main-column,
.side-column {
  min-width: 0;
}

.step-list {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.step-list li {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
}

.step-list span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
}

.step-list p {
  margin: 4px 0 0;
}

.check-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.check-table div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px;
}

.check-table strong,
.check-table span {
  display: block;
}

.check-table span {
  color: var(--muted-strong);
  font-size: 14px;
}

.side-box {
  padding: 16px;
  position: sticky;
  top: 78px;
  display: grid;
  gap: 10px;
}

.side-box p {
  margin-bottom: 0;
  color: var(--muted-strong);
  font-size: 14px;
}

.source-group + .source-group {
  margin-top: 32px;
}

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

.source-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.source-card p {
  color: var(--muted-strong);
}

.source-card ul {
  margin: 0;
  padding-left: 18px;
}

.area-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.area-grid article {
  padding: 16px;
}

.text-link {
  color: var(--accent-strong);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.feedback-band {
  background: #fff;
  border-top: 1px solid var(--border);
}

.feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 24px;
  align-items: start;
}

.feedback-form {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 14px;
}

.prose h2 {
  margin-top: 26px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #151515;
  color: #fff;
  padding: 28px 0;
}

.site-footer p {
  max-width: 720px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  text-decoration: none;
}

@media (max-width: 920px) {
  .workbench-grid,
  .split,
  .detail-grid,
  .feedback-grid {
    grid-template-columns: 1fr;
  }

  .topic-grid,
  .source-rail,
  .source-rail.compact,
  .flag-grid,
  .flag-grid.local,
  .area-grid,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .source-list,
  .check-table,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .side-box {
    position: static;
  }
}

@media (max-width: 640px) {
  .container,
  .header-inner {
    width: min(100% - 24px, var(--content));
  }

  .header-inner {
    min-height: 54px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 8px 0;
  }

  .workbench,
  .section,
  .page-intro {
    padding: 26px 0;
  }

  h1 {
    font-size: 29px;
  }

  h2 {
    font-size: 22px;
  }

  .checker-panel,
  .result-panel {
    padding: 18px;
  }

  .source-select {
    grid-template-columns: 1fr;
  }

  .topic-grid,
  .source-rail,
  .source-rail.compact,
  .flag-grid,
  .flag-grid.local,
  .area-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .result-summary {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}