/* U9: clients master-detail (export §2.9) — list + detail hero, stat cards. */

.clients-split {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 860px) { .clients-split { grid-template-columns: 1fr; } }

.clients-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  padding: 8px;
}

.clients-list-row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 10px;
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
}
.clients-list-row:hover { background: var(--surface-hover); }
.clients-list-row.is-selected { background: var(--surface-hover); box-shadow: inset 2px 0 0 var(--accent); }

.clients-list-id { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.clients-list-name {
  font-size: var(--text-lg);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.clients-list-sub {
  font-size: var(--text-sm);
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Colored monogram square — deterministic palette by client id. */
.client-mono {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-lg);
  flex-shrink: 0;
  overflow: hidden;
}
.client-mono img { width: 100%; height: 100%; object-fit: cover; }
.client-mono--0 { background: var(--accent-dim); color: var(--accent); }
.client-mono--1 { background: rgba(52, 211, 153, 0.15); color: var(--success-chip); }
.client-mono--2 { background: rgba(167, 139, 250, 0.15); color: var(--violet); }
.client-mono--3 { background: rgba(244, 183, 64, 0.15); color: var(--warning-chip); }
.client-mono--4 { background: rgba(110, 168, 254, 0.15); color: var(--info-chip); }

.clients-select-hint {
  margin: 0;
  padding: var(--space-8);
  text-align: center;
  color: var(--text-muted);
}

/* Detail pane. */
.client-detail-hero {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.client-detail-hero .client-mono { width: 60px; height: 60px; font-size: 22px; }

.client-detail-id { flex: 1; min-width: 0; }
.client-detail-name { margin: 0; font-size: var(--text-display); font-weight: 600; letter-spacing: var(--tracking-heading); }
.client-detail-sub { margin: 2px 0 0; color: var(--text-muted); font-size: var(--text-lg); }
.client-detail-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* Audit 2026-07-17 (#15): auto-fill — the pane grew from 4 to 6 stat cards. */
.client-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

@media (max-width: 640px) { .client-stats { grid-template-columns: 1fr 1fr; } }

.client-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
}

.client-stat-label {
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-dim);
  font-weight: 600;
}

.client-stat-value { font-size: var(--text-title); font-weight: 600; letter-spacing: var(--tracking-heading); }

/* Audit 2026-07-17 (#15): the rollup stats link to triage / the board. */
.client-stat--link { color: inherit; text-decoration: none; transition: border-color 0.12s; }
.client-stat--link:hover { border-color: var(--border-strong); }