/* ── Mockup app shell (shared by all four screens) ── */
.shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: var(--space-6); max-width: 1440px; margin: 0 auto; padding: var(--space-6); min-height: 100vh; }
.rail { position: sticky; top: var(--space-6); align-self: start; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-5); }
.wordmark { font-weight: var(--fw-display); font-size: var(--fs-h3); letter-spacing: var(--tracking-wordmark); display: flex; align-items: center; gap: var(--space-2); }
.wordmark-mark { width: 30px; height: 30px; border-radius: 10px; background: var(--accent-fill); color: var(--text-on-accent); display: grid; place-items: center; font-size: 15px; box-shadow: var(--nm-raised-1); border: 1px solid var(--border-control); }
.nav { display: flex; flex-direction: column; gap: var(--space-2); }
.nav a { display: flex; align-items: center; gap: var(--space-3); padding: 10px 12px; border-radius: var(--radius-md); color: var(--text-primary); text-decoration: none; border: 1px solid transparent; font-weight: var(--fw-medium); }
.nav a:hover { border-color: var(--border-control); }
.nav a:focus-visible { outline: var(--focus-width) solid var(--focus-ring); outline-offset: var(--focus-offset); }
.nav a[aria-current="page"] { background: var(--surface-inset); box-shadow: var(--nm-inset-1); border-color: var(--text-accent); color: var(--text-accent); font-weight: var(--fw-bold); }
.nav svg { width: 18px; height: 18px; flex: none; }
.nav .nav-new { margin-left: auto; }
.rail-foot { display: flex; flex-direction: column; gap: var(--space-3); border-top: 1px solid var(--border-hairline); padding-top: var(--space-4); }
.seg { display: inline-flex; padding: 4px; gap: 4px; border-radius: var(--radius-pill); background: var(--surface-inset); box-shadow: var(--nm-inset-1); border: 1px solid var(--border-control); }
.seg button { font: var(--fw-medium) var(--fs-label)/1 var(--font-body); color: var(--text-secondary); background: transparent; border: 1px solid transparent; border-radius: var(--radius-pill); padding: 7px 12px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.seg button[aria-pressed="true"] { background: var(--surface-raised); color: var(--text-primary); box-shadow: var(--nm-raised-1); border-color: var(--border-control); font-weight: var(--fw-bold); }
.seg button[aria-pressed="true"]::before { content: "✓"; color: var(--text-accent); }
.seg button:focus-visible { outline: var(--focus-width) solid var(--focus-ring); outline-offset: 2px; }
.who { font-size: var(--fs-label); }

main { min-width: 0; display: flex; flex-direction: column; gap: var(--space-6); padding-bottom: var(--space-16); }
.proposal { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); align-items: center; font-size: var(--fs-label); color: var(--text-secondary); padding: var(--space-3) var(--space-4); }
.page-head { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: flex-end; justify-content: space-between; }
.page-head h1 { margin: 0; font-size: var(--fs-h1); line-height: var(--lh-tight); font-weight: var(--fw-display); }
.page-head p { margin: var(--space-1) 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
h2.section { font-size: var(--fs-label); text-transform: uppercase; letter-spacing: var(--tracking-caps-wide); color: var(--text-secondary); margin: 0 0 var(--space-3); font-weight: var(--fw-bold); display: flex; align-items: center; gap: var(--space-2); }
.card { padding: var(--space-5); }
.card h3 { margin: 0; font-size: var(--fs-body-lg); }
.grid { display: grid; gap: var(--space-5); }
.stack { display: flex; flex-direction: column; gap: var(--space-3); }
.row { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
a { color: var(--text-accent); }
a:focus-visible { outline: var(--focus-width) solid var(--focus-ring); outline-offset: 2px; border-radius: 4px; }
small, .small { font-size: var(--fs-label); }
.tiny { font-size: var(--fs-caption); }
code { font-family: var(--font-mono); font-size: 0.92em; background: var(--surface-inset); padding: 1px 5px; border-radius: var(--radius-xs); border: 1px solid var(--border-hairline); }
.kbd-note { font-size: var(--fs-caption); color: var(--text-secondary); }

/* Data tables: square, numbers right-aligned, inside a soft card */
.table-wrap { overflow-x: auto; margin: 0 calc(var(--space-5) * -1); padding: 0 var(--space-5); }
table.tbl { width: 100%; border-collapse: collapse; border-radius: var(--radius-none); font-size: 13px; }
.tbl th { text-align: left; font-size: var(--fs-caption); text-transform: uppercase; letter-spacing: var(--tracking-caps); color: var(--text-secondary); font-weight: var(--fw-bold); padding: 10px 10px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; }
.tbl td { padding: 11px 10px; border-bottom: 1px solid var(--border-hairline); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .r { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tbody tr:hover td { background: var(--accent-wash); }

/* Provenance marker used across screens */
.src { display: inline-flex; gap: 4px; align-items: center; font-size: var(--fs-caption); font-weight: var(--fw-bold); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }

/* Stat tiles */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
.stat { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-1); }
.stat-value { font-size: 30px; font-weight: var(--fw-display); line-height: var(--lh-tight); font-variant-numeric: tabular-nums; }
.stat-label { font-size: var(--fs-label); color: var(--text-secondary); text-transform: uppercase; letter-spacing: var(--tracking-caps); font-weight: var(--fw-bold); }
.stat-foot { font-size: var(--fs-label); color: var(--text-secondary); }
.stat.warn .stat-value { color: var(--status-warning); }

/* Modal backdrop for dialogs */
.scrim { position: fixed; inset: 0; background: rgba(10, 10, 14, 0.55); }
:root[data-theme="light"] .scrim { background: rgba(60, 55, 80, 0.35); }

/* Responsive */
@media (max-width: 1100px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; padding: var(--space-4); gap: var(--space-4); }
  .rail { position: static; flex-direction: row; flex-wrap: wrap; align-items: center; padding: var(--space-3) var(--space-4); gap: var(--space-3); }
  .nav { flex-direction: row; flex-wrap: wrap; gap: var(--space-1); }
  .nav a { padding: 8px 10px; }
  .nav a span.lbl { display: none; }
  .nav a[aria-current="page"] span.lbl { display: inline; }
  .nav .nav-new { display: none; }
  .rail-foot { border: 0; padding: 0; flex-direction: row; margin-left: auto; }
  .who { display: none; }
}
@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .stat { padding: var(--space-4); }
  .stat-value { font-size: 22px; }
  .page-head h1 { font-size: var(--fs-h2); }
}

a.btn { text-decoration: none; }
.th-note { display: block; margin-top: 4px; }