:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #18202a;
  --muted: #5f6b7a;
  --line: #d9dee7;
  --accent: #0b6bcb;
  --accent-dark: #064f99;
  --danger: #b42318;
  --ok: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.header {
  margin-bottom: 20px;
}

.header h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: 0;
}

.header p {
  margin: 0;
  color: var(--muted);
}

.panel {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 1.1rem;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field span {
  color: var(--muted);
  font-size: 0.9rem;
}

input,
select,
button {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

input,
select {
  padding: 8px 10px;
}

button {
  width: auto;
  margin-top: 16px;
  padding: 8px 16px;
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

button:disabled {
  border-color: var(--line);
  background: #edf1f5;
  color: var(--muted);
  cursor: not-allowed;
}

.summary {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
}

.summary ul {
  margin: 4px 0 0;
  padding-left: 20px;
}

.message {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.message.error {
  border-color: #f4c7c3;
  color: var(--danger);
}

.message.ok {
  border-color: #b8e0ca;
  color: var(--ok);
}

.result-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.result-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.result-card strong {
  display: block;
  font-size: 1.4rem;
}

.result-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

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

th {
  background: #f2f5f8;
  color: var(--muted);
  font-weight: 600;
}

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

details {
  margin-top: 14px;
}

summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.review-section {
  margin-top: 20px;
}

.review-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.review-actions h3 {
  margin: 0;
}

.review-actions p {
  margin: 4px 0 0;
}

.review-decision,
.review-note {
  min-width: 120px;
}

@media (max-width: 820px) {
  .grid.two,
  .grid.four,
  .result-cards,
  .review-actions {
    grid-template-columns: 1fr;
  }

  .review-actions {
    display: grid;
  }

  .shell {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }
}