:root {
  color-scheme: light;
  --canvas: #f2f4f1;
  --surface: #ffffff;
  --surface-subtle: #f7f8f6;
  --ink: #18201d;
  --muted: #66706b;
  --line: #dce1dd;
  --line-strong: #c8d0ca;
  --accent: #08735f;
  --accent-soft: #e8f5f1;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --warning: #a15c08;
  --warning-soft: #fff5df;
  --ok: #157347;
  --ok-soft: #edf8f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 19px;
  line-height: 1.2;
}

h2 {
  font-size: 15px;
  line-height: 1.25;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.topbar p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

nav a,
button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  padding: 7px 10px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

nav a:hover,
button:hover {
  border-color: var(--line-strong);
  background: var(--surface-subtle);
}

nav a.active,
button.primary,
.tab.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(8, 115, 95, 0.16);
  outline-offset: 1px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(250px, 300px) minmax(360px, 1fr) minmax(340px, 440px);
  grid-template-rows: auto minmax(500px, 1fr);
  gap: 14px;
  padding: 14px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(24, 32, 29, 0.05);
  padding: 14px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 13px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.config-panel {
  grid-column: 1;
  grid-row: 1;
}

.compose-panel {
  grid-column: 2;
  grid-row: 1;
}

.review-panel {
  grid-column: 3;
  grid-row: 1 / span 2;
}

.docs-panel {
  grid-column: 1 / span 2;
  grid-row: 2;
  min-height: 500px;
}

label {
  display: grid;
  gap: 6px;
  margin-bottom: 11px;
  color: #58625d;
  font-size: 12px;
  font-weight: 670;
}

input,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  color: var(--ink);
  padding: 9px 10px;
  font: inherit;
  line-height: 1.45;
}

input {
  min-height: 40px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  background: #ffffff;
  outline: none;
  box-shadow: 0 0 0 3px rgba(8, 115, 95, 0.1);
}

.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.state {
  min-height: 38px;
  border-left: 3px solid var(--line-strong);
  background: var(--surface-subtle);
  color: var(--muted);
  padding: 9px 10px;
  line-height: 1.45;
}

.state.ok {
  border-color: var(--ok);
  background: var(--ok-soft);
  color: var(--ok);
}

.state.warn {
  border-color: var(--warning);
  background: var(--warning-soft);
  color: var(--warning);
}

.state.error {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.result {
  min-height: 118px;
  margin: 0;
  overflow: auto;
  border: 1px solid #29342f;
  border-radius: 6px;
  background: #17211d;
  color: #e7eee9;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  line-height: 1.5;
}

.reviews-list {
  display: grid;
  gap: 9px;
  max-height: calc(100vh - 126px);
  overflow: auto;
}

.review-card,
.document-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-subtle);
  padding: 11px;
}

.review-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 8px;
  color: var(--muted);
}

.badge {
  border-radius: 999px;
  background: #e9edea;
  padding: 3px 7px;
  font-size: 11px;
}

.badge.low {
  background: var(--ok-soft);
  color: var(--ok);
}

.badge.medium {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.high {
  background: var(--danger-soft);
  color: var(--danger);
}

.review-text {
  margin: 8px 0;
  line-height: 1.5;
}

.review-actions,
.tabs {
  display: flex;
  gap: 7px;
  margin-top: 10px;
}

.tabs {
  margin-bottom: 10px;
}

.upload-strip {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 9px;
  margin-bottom: 9px;
}

.documents-list {
  display: grid;
  gap: 7px;
  margin: 10px 0 12px;
}

.document-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.document-meta,
.document-excerpt {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.45;
}

.document-excerpt {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.doc-editor {
  min-height: 390px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .config-panel,
  .compose-panel,
  .review-panel,
  .docs-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .reviews-list {
    max-height: 520px;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid.two,
  .upload-strip,
  .document-card {
    grid-template-columns: 1fr;
  }
}