:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --text: #1f2a2e;
  --muted: #637176;
  --line: #d7dedc;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --warning: #a16207;
  --danger: #b42318;
  --soft: #e8f3f1;
  --shadow: 0 18px 48px rgba(31, 42, 46, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

.topbar {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.eyebrow,
.path {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

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

h1 {
  font-size: clamp(24px, 3vw, 34px);
}

h2 {
  font-size: 24px;
}

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

button,
.topbar-actions a {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  border-radius: 7px;
  padding: 9px 13px;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.topbar-actions a:hover {
  background: var(--accent-strong);
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 20px;
  padding: 20px;
  max-width: 1500px;
  margin: 0 auto;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.panel,
.document-shell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
}

.summary div {
  padding: 14px;
  background: #fbfcfb;
}

.summary span {
  display: block;
  font-size: 26px;
  font-weight: 750;
}

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

.search {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.search input,
.notes textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
}

.search input {
  padding: 11px 12px;
}

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

.filter {
  background: #ffffff;
  color: var(--text);
  border-color: var(--line);
}

.filter.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: calc(100vh - 310px);
  overflow: auto;
  padding-right: 4px;
}

.doc-card {
  text-align: left;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
}

.doc-card.active {
  border-color: var(--accent);
  background: var(--soft);
}

.doc-card strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.doc-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  background: #edf2f0;
  color: var(--muted);
  font-size: 12px;
}

.badge.warn {
  color: var(--warning);
  background: #fef3c7;
}

.badge.danger {
  color: var(--danger);
  background: #fee4e2;
}

.document-shell {
  min-width: 0;
  overflow: hidden;
}

.document-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding: 18px 20px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.qa-panel {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfb;
}

.qa-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  align-content: start;
}

.qa-checks label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.notes {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.notes textarea {
  padding: 10px;
  min-height: 94px;
  resize: vertical;
}

.document-content {
  padding: 22px 28px 50px;
  max-height: calc(100vh - 250px);
  overflow: auto;
  line-height: 1.62;
}

.document-content h1,
.document-content h2,
.document-content h3 {
  margin: 1.3em 0 0.45em;
  letter-spacing: 0;
}

.document-content h1:first-child {
  margin-top: 0;
}

.document-content h1 {
  font-size: 30px;
}

.document-content h2 {
  font-size: 22px;
}

.document-content h3 {
  font-size: 18px;
}

.document-content p {
  margin: 0 0 1em;
}

.document-content ul,
.document-content ol {
  padding-left: 22px;
}

.document-content pre {
  background: #172126;
  color: #edf7f6;
  padding: 14px;
  border-radius: 8px;
  overflow: auto;
}

.document-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.document-content :not(pre) > code {
  background: #edf2f0;
  color: #193034;
  padding: 2px 5px;
  border-radius: 5px;
}

.document-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.document-content th,
.document-content td {
  border: 1px solid var(--line);
  padding: 8px;
  vertical-align: top;
}

.document-content th {
  background: #edf2f0;
}

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

@media (max-width: 920px) {
  .topbar,
  .document-toolbar,
  .qa-panel {
    display: flex;
    flex-direction: column;
  }

  .layout {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .doc-list,
  .document-content {
    max-height: none;
  }

  .qa-checks {
    grid-template-columns: 1fr;
  }
}