:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --line: #d9dee8;
  --text: #1c2430;
  --muted: #667084;
  --accent: #146c5f;
  --accent-soft: #dff4ef;
  --warn: #a24900;
  --warn-soft: #fff1dc;
  --danger: #9f1d2f;
  --danger-soft: #ffe8ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 11px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

.topbar {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

main {
  padding: 20px 28px 32px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 12px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.toolbar {
  display: grid;
  grid-template-columns: 180px 150px 190px minmax(240px, 1fr);
  gap: 12px;
  margin: 18px 0 12px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

select,
input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 9px;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

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

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

.hidden {
  display: none;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

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

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #eef2f6;
  color: #384252;
  font-size: 12px;
  font-weight: 700;
}

tbody tr:hover {
  background: #f4f7f9;
}

.num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.overlap {
  background: var(--warn-soft);
}

.zero {
  color: var(--danger);
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 7px;
  background: #eef2f6;
  color: #465266;
  font-size: 12px;
}

.role-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.role-summary {
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.role-summary h2 {
  margin-bottom: 10px;
}

.file-button {
  display: inline-grid;
  place-items: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 11px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.file-button input {
  display: none;
}

.case-role {
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.case-role:last-child {
  border-bottom: 0;
}

.role-grid {
  display: grid;
  grid-template-columns: 120px minmax(160px, 1fr) minmax(280px, 1.2fr) 150px minmax(180px, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.warnings {
  margin-bottom: 12px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 10px 12px;
}

.warnings ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

@media (max-width: 900px) {
  .topbar {
    display: block;
  }

  .actions {
    justify-content: flex-start;
    margin-top: 14px;
  }

  main {
    padding: 16px;
  }

  .summary-grid,
  .toolbar,
  .role-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    overflow: auto;
  }
}