:root {
  color-scheme: light;
  --paper: #f6f4ef;
  --ink: #1d252c;
  --muted: #66717a;
  --line: rgba(29, 37, 44, 0.14);
  --panel: #ffffff;
  --accent: #2f6f73;
  --ok: #26734d;
  --warn: #9a6b13;
  --bad: #a33a31;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.compare-page {
  width: min(1480px, calc(100vw - 32px));
  margin: 24px auto;
}

.compare-header,
.document-context,
.toolbar-menu-row,
.compare-picker,
.compare-meta,
.summary-grid {
  margin-bottom: 12px;
}

.compare-header,
.document-context {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

h1,
p {
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.1;
}

.compare-header p,
.document-context span,
.compare-meta {
  color: var(--muted);
}

.version-badge {
  padding: 5px 10px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.toolbar-menu-row {
  display: flex;
  justify-content: flex-end;
}

.top-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.top-menu-link {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.top-menu-link:hover,
.top-menu-link.active {
  background: var(--ink);
  color: #fff;
}

.top-menu-icon {
  width: 28px;
  justify-content: center;
  padding: 0;
}

.top-menu-link svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.document-context,
.compare-picker,
.compare-meta,
.summary-grid,
.compare-table-wrap,
.error {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.document-context,
.compare-meta,
.error {
  padding: 10px 12px;
}

.compare-lock-notice {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid rgba(154, 107, 19, 0.28);
  border-radius: 8px;
  background: #fffaf0;
  color: var(--warn);
  font-weight: 700;
}

.document-context div,
.document-context nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.suggestion-form {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px;
}

.improvement-agent-select,
.implementation-agent-select {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.improvement-agent-select select,
.implementation-agent-select select {
  width: auto;
  padding: 6px 9px;
  font-size: 0.86rem;
  text-transform: none;
  letter-spacing: 0;
}

.suggestion-form button,
.implementation-form button,
.implementation-cancel-form button,
.improvement-button {
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 7px 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.suggestion-form button:disabled {
  border-color: var(--line);
  background: #d4d9dc;
  color: #66717a;
  cursor: not-allowed;
}

.implementation-cancel-form button.danger {
  border-color: var(--bad);
  background: var(--bad);
}

.compare-picker {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 120px;
  gap: 10px;
  padding: 12px;
}

label {
  display: grid;
  gap: 5px;
  min-width: 0;
  font-size: 0.82rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}

textarea {
  resize: vertical;
  line-height: 1.35;
}

.compare-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.86rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  overflow: hidden;
}

.summary-grid div {
  display: grid;
  gap: 2px;
  padding: 12px;
  border-right: 1px solid var(--line);
}

.summary-grid div:last-child {
  border-right: 0;
}

.summary-grid strong {
  font-size: 1.4rem;
}

.summary-grid span {
  color: var(--muted);
  font-size: 0.82rem;
}

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

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

.implementation-panel {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px;
}

.implementation-form {
  display: grid;
  gap: 10px;
}

.implementation-form button {
  justify-self: end;
  width: auto;
}

.implementation-status {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.implementation-status span {
  color: var(--muted);
}

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

.implementation-cancel-form {
  margin: 0;
}

.implementation-log {
  max-height: 320px;
  margin: 0;
  padding: 12px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #101820;
  color: #d7e0e6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.82rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.suggestion-output {
  margin: 0;
  padding: 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.92rem/1.5 Arial, Helvetica, sans-serif;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: #eef4f2;
  font-size: 0.78rem;
  text-transform: uppercase;
}

td:nth-child(3),
td:nth-child(4) {
  min-width: 220px;
  max-width: 380px;
  overflow-wrap: anywhere;
}

.compare-row-heading {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.compare-row-toggle {
  width: 20px;
  height: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0;
  background: #fff;
  color: var(--ink);
  font: 700 0.82rem/1 Arial, Helvetica, sans-serif;
  cursor: pointer;
}

.compare-row-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.compare-row.no-ground-truth.is-collapsed {
  background: transparent;
}

.compare-row.no-ground-truth.is-collapsed td {
  height: 14px;
  padding: 0;
  color: transparent;
  font-size: 0;
  line-height: 0;
  background: transparent;
}

.compare-row.no-ground-truth.is-collapsed td * {
  visibility: hidden;
}

.compare-row.no-ground-truth.is-collapsed .compare-row-heading {
  position: relative;
  display: inline-flex;
  height: 0;
}

.compare-row.no-ground-truth.is-collapsed .compare-row-toggle {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  transform: translateY(6px);
  font-size: 0.72rem;
  line-height: 1;
  visibility: visible;
}

.ground-truth-preset-value {
  color: #c98282;
}

.analysis-value {
  color: #7b858c;
}

.compare-status {
  display: inline-flex;
  min-width: 82px;
  justify-content: center;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}

.compare-status.match {
  background: var(--ok);
}

.compare-status.partial,
.compare-status.extra {
  background: var(--warn);
}

.compare-status.mismatch,
.compare-status.missing {
  background: var(--bad);
}

.compare-status.empty {
  background: #7d858c;
}

.compare-validation-link {
  display: block;
  margin-top: 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.compare-validation-link:hover {
  text-decoration: underline;
}

.compare-row.mismatch,
.compare-row.missing {
  background: #fff6f4;
}

.compare-row.partial,
.compare-row.extra {
  background: #fffaf0;
}

.error {
  margin-bottom: 12px;
  color: var(--bad);
  font-weight: 700;
}

@media (max-width: 860px) {
  .compare-header,
  .document-context {
    align-items: flex-start;
    flex-direction: column;
  }

  .compare-picker,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .summary-grid div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}