:root {
  --b24-bg: #eef2f5;
  --b24-surface: #ffffff;
  --b24-border: #dfe3e8;
  --b24-text: #1f2733;
  --b24-text-muted: #6b7785;
  --b24-primary: #2067b0;
  --b24-primary-hover: #17548f;
  --b24-accent: #2fc6f6;
  --b24-success: #1cad5c;
  --b24-danger: #e5484d;
  --b24-danger-hover: #c93a3e;
  --b24-radius: 8px;
  --b24-gap: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--b24-bg);
  color: var(--b24-text);
  font-size: 14px;
  line-height: 1.4;
}

.topbar {
  background: var(--b24-primary);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
}

.topbar .subtitle {
  color: #cfe4f7;
  font-size: 13px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: var(--b24-gap);
}

.card {
  background: var(--b24-surface);
  border: 1px solid var(--b24-border);
  border-radius: var(--b24-radius);
  padding: 18px 20px;
}

.card h2 {
  font-size: 15px;
  margin: 0 0 14px;
  color: var(--b24-text);
  font-weight: 600;
  border-bottom: 1px solid var(--b24-border);
  padding-bottom: 8px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field label {
  font-size: 12px;
  color: var(--b24-text-muted);
}

.field input,
.field select {
  border: 1px solid var(--b24-border);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 14px;
  color: var(--b24-text);
  background: #fff;
  width: 100%;
}

.field input:focus,
.field select:focus,
table input:focus,
table select:focus {
  outline: none;
  border-color: var(--b24-primary);
  box-shadow: 0 0 0 2px rgba(32, 103, 176, 0.15);
}

.side-group {
  border: 1px dashed var(--b24-border);
  border-radius: 6px;
  padding: 12px;
}

.side-group .side-group-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--b24-text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.embedded-context {
  display: none;
  background: #eaf6ff;
  border: 1px solid #b9e3fb;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--b24-text);
}
.embedded-context.visible { display: block; }
.embedded-context strong { color: var(--b24-primary); }

.deal-results {
  margin-top: 8px;
  border: 1px solid var(--b24-border);
  border-radius: 6px;
  overflow: hidden;
  display: none;
}
.deal-results.visible { display: block; }

.deal-result-item {
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--b24-border);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.deal-result-item:last-child { border-bottom: none; }
.deal-result-item:hover { background: #f6f8fa; }
.deal-result-item .deal-id { color: var(--b24-text-muted); }

.deal-selected {
  display: none;
  margin-top: 12px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #eaf6ff;
  border: 1px solid #b9e3fb;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
}
.deal-selected.visible { display: flex; }
.deal-selected .deal-clear-btn {
  border: none;
  background: transparent;
  color: var(--b24-primary);
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
}

.blank-save-status {
  margin-top: 10px;
  font-size: 13px;
  color: var(--b24-text-muted);
  min-height: 18px;
}
.blank-save-status.success { color: var(--b24-success); }
.blank-save-status.error { color: var(--b24-danger); }

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

table.rows-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 1500px;
}

table.rows-table th,
table.rows-table td {
  border: 1px solid var(--b24-border);
  padding: 6px 8px;
  text-align: left;
  vertical-align: middle;
}

table.rows-table th {
  background: #f6f8fa;
  font-size: 11px;
  font-weight: 600;
  color: var(--b24-text-muted);
  white-space: nowrap;
}

table.rows-table td.computed {
  background: #f9fbfc;
  color: var(--b24-text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

table.rows-table input,
table.rows-table select {
  border: 1px solid transparent;
  background: transparent;
  padding: 4px 5px;
  font-size: 13px;
  width: 100%;
  border-radius: 4px;
}

table.rows-table input:hover,
table.rows-table select:hover {
  border-color: var(--b24-border);
}

table.rows-table input[type="number"] {
  text-align: right;
}

.col-num { width: 36px; text-align: center; color: var(--b24-text-muted); }
.col-narrow input { width: 100%; }

.row-remove-btn {
  border: none;
  background: transparent;
  color: var(--b24-danger);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}
.row-remove-btn:hover { color: var(--b24-danger-hover); }

.actions-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--b24-border);
  background: #fff;
  color: var(--b24-text);
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { border-color: var(--b24-primary); color: var(--b24-primary); }

.btn-primary {
  background: var(--b24-primary);
  border-color: var(--b24-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--b24-primary-hover); border-color: var(--b24-primary-hover); color: #fff; }

.btn-ghost {
  border-style: dashed;
}

.actions-row-subtle {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--b24-border);
}
.btn-subtle {
  border: none;
  background: transparent;
  color: var(--b24-text-muted);
  font-size: 12px;
  padding: 2px 0;
  cursor: pointer;
  text-decoration: underline;
}
.btn-subtle:hover { color: var(--b24-primary); }

.history-panel {
  margin-top: 10px;
  font-size: 12px;
  color: var(--b24-text-muted);
}
.history-panel summary {
  cursor: pointer;
  user-select: none;
}
.history-panel summary:hover { color: var(--b24-primary); }
.history-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--b24-border);
  font-size: 12px;
}
.history-list-item .btn-subtle { text-decoration: none; border: 1px solid var(--b24-border); border-radius: 4px; padding: 2px 8px; }
.history-list-item .btn-subtle:hover { border-color: var(--b24-primary); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.kpi {
  background: #f6f8fa;
  border: 1px solid var(--b24-border);
  border-radius: 6px;
  padding: 10px 12px;
}

.kpi .kpi-label {
  font-size: 11px;
  color: var(--b24-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.kpi .kpi-value {
  font-size: 18px;
  font-weight: 600;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.kpi.kpi-payable .kpi-value { color: var(--b24-primary); }

.kpi-with-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.kpi-with-input input {
  width: 60px;
  border: 1px solid var(--b24-border);
  border-radius: 4px;
  padding: 4px 6px;
  text-align: right;
  font-size: 14px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--b24-text);
}

.group-subtotals {
  margin-top: 14px;
}

.group-subtotals table {
  border-collapse: collapse;
  width: 100%;
}

.group-subtotals th,
.group-subtotals td {
  border: 1px solid var(--b24-border);
  padding: 6px 10px;
  font-size: 13px;
  text-align: left;
}

.group-subtotals th {
  background: #f6f8fa;
  color: var(--b24-text-muted);
  font-weight: 600;
  font-size: 11px;
}

.group-subtotals td.num,
.group-subtotals th.num { text-align: right; }

@media (max-width: 720px) {
  .container { padding: 12px; }
  .card { padding: 14px; }
}