:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef2f5;
  --border: #d7dee6;
  --text: #16202a;
  --muted: #627084;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --amber: #b45309;
  --danger: #b42318;
  --shadow: 0 8px 24px rgba(22, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

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

.topbar {
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 24px;
  min-height: 56px;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 16px;
  flex: 1;
}

.nav a,
.userbar a {
  color: var(--muted);
}

.userbar {
  align-items: center;
  display: flex;
  gap: 12px;
  color: var(--muted);
}

.page {
  margin: 0 auto;
  max-width: 1240px;
  padding: 28px 24px 56px;
}

.page-heading {
  align-items: flex-end;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 22px;
}

h1,
h2 {
  margin: 0;
  line-height: 1.25;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 18px;
}

p {
  line-height: 1.7;
}

.page-heading p,
.muted,
.sub {
  color: var(--muted);
}

.sub {
  display: block;
  font-size: 12px;
  margin-top: 3px;
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.section-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.stats-grid,
.summary-band {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.summary-band {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat,
.summary-band > div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.stat span,
.summary-band span {
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.stat strong,
.summary-band strong {
  font-size: 28px;
}

.stat.warning strong {
  color: var(--amber);
}

.button,
button {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  min-height: 38px;
  padding: 8px 14px;
}

.button.primary,
button.primary,
.stack-form button,
.review-form button {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

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

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-2);
  color: #334155;
  font-size: 13px;
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

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

.badge {
  background: #e6f4f1;
  border: 1px solid #afd9d2;
  border-radius: 999px;
  color: var(--primary-strong);
  display: inline-block;
  font-size: 13px;
  padding: 3px 9px;
  white-space: nowrap;
}

.alert {
  border-radius: 8px;
  margin-top: 16px;
  padding: 13px 16px;
}

.alert.warning {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #8a3a03;
}

.alert.danger {
  background: #fef3f2;
  border: 1px solid #fecdca;
  color: var(--danger);
}

.form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.form-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

label span {
  color: #334155;
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

input,
select,
textarea {
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 38px;
  padding: 8px 10px;
  width: 100%;
}

textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.record-form {
  align-items: end;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
  padding-top: 16px;
}

.record-form button {
  justify-content: center;
}

.inline-form {
  margin: 0;
}

.material-review {
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: 96px minmax(160px, 1fr) auto;
  margin-bottom: 8px;
  min-width: 360px;
}

.material-review input,
.material-review select {
  min-height: 34px;
}

.material-review button {
  min-height: 34px;
  white-space: nowrap;
}

.link-button {
  background: transparent;
  border: 0;
  color: var(--danger);
  min-height: 0;
  padding: 0;
}

.subhead {
  font-size: 15px;
  margin-top: 18px;
}

.version-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.version-list span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 9px;
}

.compact-json {
  color: var(--muted);
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin: 0;
  max-width: 420px;
  white-space: pre-wrap;
}

.score-grid {
  display: grid;
  gap: 12px;
}

.score-row {
  align-items: center;
  display: grid;
  gap: 14px;
  grid-template-columns: 240px 1fr 64px;
}

.score-label span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 3px;
}

.bar {
  background: #e5e7eb;
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.bar span {
  background: linear-gradient(90deg, #0f766e, #2563eb);
  display: block;
  height: 100%;
}

.two-col {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.facts {
  display: grid;
  grid-template-columns: 120px 1fr;
  row-gap: 10px;
}

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

.facts dd {
  margin: 0;
}

.review-item {
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.review-item span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 3px;
}

.review-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.wide-field {
  display: block;
  margin: 14px 0;
}

.rule-form {
  display: grid;
  gap: 12px;
}

.login-body {
  align-items: center;
  display: flex;
  min-height: 100vh;
  justify-content: center;
}

.login-shell {
  max-width: 420px;
  padding: 24px;
  width: 100%;
}

.login-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.stack-form {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

@media (max-width: 920px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 18px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .page-heading,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .stats-grid,
  .summary-band,
  .form-grid,
  .form-grid.compact,
  .record-form,
  .two-col {
    grid-template-columns: 1fr;
  }

  .score-row {
    grid-template-columns: 1fr;
  }

  .material-review {
    grid-template-columns: 1fr;
    min-width: 0;
  }
}