:root {
  --bg: #0c1014;
  --panel: #141a21;
  --panel-2: #1c242d;
  --border: #2a3441;
  --text: #e6ecf2;
  --muted: #8896a6;
  --accent: #5aa9ff;
  --accent-dim: #2d4f7a;
  --good: #6ec46e;
  --bad: #f08a8a;
  --warn: #f1c469;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #131922, #0e131a);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand .logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.brand .tagline {
  color: var(--muted);
  font-size: 12px;
}

.matter-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}
.matter-picker label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

select,
input[type='text'],
input:not([type='checkbox']):not([type='radio']) {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover {
  background: var(--panel-2);
}
.btn.primary {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: white;
}
.btn.primary:hover {
  background: #34588a;
}
.btn.ghost {
  background: transparent;
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr 360px;
  gap: 16px;
  padding: 16px;
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .col-right {
    order: 3;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 12px 0;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.dropzone {
  border-style: dashed;
  border-color: var(--border);
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.over {
  border-color: var(--accent);
  background: rgba(90, 169, 255, 0.05);
}
.dropzone p {
  font-size: 13px;
  color: var(--muted);
  margin: 8px 0 12px;
}
.dropzone code {
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

.ingest-status {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  max-height: 120px;
  overflow-y: auto;
}
.ingest-status .ok {
  color: var(--good);
}
.ingest-status .dup {
  color: var(--warn);
}
.ingest-status .err {
  color: var(--bad);
}

.summary-card .summary-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
}
.summary-card .summary-row.head {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 11px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.summary-card .summary-row.total {
  font-weight: 700;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.ledger-card {
  height: calc(100vh - 124px);
  display: flex;
  flex-direction: column;
}
.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.ledger-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.ledger-wrap {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}
th,
td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  position: sticky;
  top: 0;
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  z-index: 1;
}
td.r,
th.r {
  text-align: right;
}
tbody tr {
  cursor: pointer;
}
tbody tr:hover {
  background: var(--panel-2);
}
tbody tr.selected-row {
  background: rgba(90, 169, 255, 0.12);
}
tbody tr.state-excluded td {
  color: var(--muted);
  text-decoration: line-through;
}
tbody tr.state-dispute-pending td.state {
  color: var(--warn);
}
td.state {
  text-transform: uppercase;
  font-size: 11px;
  color: var(--good);
}
td.state.excluded {
  color: var(--bad);
}
td.state.dispute-pending {
  color: var(--warn);
}
td.desc {
  white-space: normal;
  max-width: 360px;
}
.low-confidence {
  border-left: 3px solid var(--warn);
}

.source-card pre {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
  white-space: pre-wrap;
  max-height: calc(100vh - 240px);
  overflow-y: auto;
  margin: 0;
  color: var(--text);
}

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  min-width: 360px;
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}
dialog label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}
dialog input,
dialog select {
  width: 100%;
  margin-top: 4px;
}
dialog menu {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}