/* Foundation shell and components. Colours only by token (theme.css). Controls are at least 44 px
   tall at every width (UX 2.1); body text 16 px, nothing under 14 px (UX 2.3). */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--canvas); }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 16px; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
a { color: var(--brand); }
code { font-size: 0.95em; background: var(--canvas); padding: 1px 4px; border-radius: 4px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--surface); color: var(--brand); padding: 10px 14px; min-height: 44px; border-radius: 6px; }
.skip-link:focus { top: 8px; }
.muted, .hint { color: var(--muted); }
.hint { font-size: 0.9rem; margin: 4px 0 0; }

/* Shell: a sidebar from 1024 px, a drawer below (rule T1). */
.frame { display: flex; min-height: 100vh; }
.sidebar { width: 248px; flex: none; background: var(--sidebar); color: var(--sidebar-ink); padding: 16px 12px; }
.brand { font-weight: 700; font-size: 1.15rem; padding: 4px 10px 16px; }
.brand span { display: block; font-weight: 400; font-size: 0.875rem; color: var(--sidebar-muted); }
.nav-group { margin: 16px 10px 4px; font-size: 0.875rem; text-transform: none; color: var(--sidebar-muted); }
.nav-link { display: flex; align-items: center; min-height: 44px; padding: 0 10px; color: var(--sidebar-ink); text-decoration: none; border-radius: 6px; }
.nav-link:hover { background: var(--brand-hover); }
.nav-link.active { background: var(--sidebar-active); font-weight: 600; }
.column { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 8px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-name { margin-left: auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-name small { color: var(--muted); font-size: 0.875rem; margin-left: 6px; }
.topbar .menu-button { display: none; }
main { padding: 24px 16px; max-width: 1200px; width: 100%; }
main:focus { outline: none; }
.scrim { position: fixed; inset: 0; background: var(--scrim); z-index: 40; }
.scrim[hidden] { display: none; }
@media (max-width: 1023.98px) {
  .topbar .menu-button { display: inline-flex; }
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 50; transform: translateX(-100%); transition: transform 0.2s; overflow-y: auto; }
  .sidebar.open { transform: none; }
}
@media (min-width: 1024px) { main { padding: 32px; } }
@media (max-width: 479.98px) { .topbar-name small { display: none; } }

/* Signed-out and set-up pages. */
.solo { max-width: 480px; margin: 0 auto; padding: 40px 16px; }
.solo-brand { font-weight: 700; font-size: 1.3rem; color: var(--brand); margin-bottom: 16px; }
.solo-signout { margin-top: 16px; }

/* Components */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.page-head h1 { margin: 0; }
.crumbs { font-size: 0.9rem; margin-bottom: 8px; color: var(--muted); }
.crumbs a { display: inline-flex; align-items: center; min-height: 44px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.narrow { max-width: 420px; }
.grid-form { display: grid; gap: 12px 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: end; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; }
label { font-weight: 600; font-size: 0.95rem; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; min-height: 44px; width: 100%; }
textarea { min-height: 160px; font-family: ui-monospace, Consolas, monospace; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; font: inherit; font-weight: 600; border-radius: 6px; border: 1px solid transparent; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary { background: var(--surface); color: var(--brand); border-color: var(--line); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn:disabled { opacity: 0.7; cursor: progress; }
.btn + .btn { margin-left: 8px; }
form.inline { display: flex; gap: 8px; align-items: center; }
form.inline select { width: auto; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.alert { padding: 12px 14px; border-radius: 8px; margin: 0 0 16px; border: 1px solid; }
.alert ul { margin: 6px 0 0; padding-left: 20px; }
.alert p { margin: 0; }
.alert-error { background: var(--danger-tint); border-color: var(--danger); color: var(--danger); }
.alert-success { background: var(--success-tint); border-color: var(--success); color: var(--success); }
.alert-info { background: var(--info-tint); border-color: var(--info); color: var(--info); }
.badge { display: inline-block; font-size: 0.875rem; padding: 2px 8px; border-radius: 999px; border: 1px solid; margin: 2px 4px 2px 0; }
.badge-success { color: var(--success); background: var(--success-tint); }
.badge-danger { color: var(--danger); background: var(--danger-tint); }
.badge-warning { color: var(--warning); background: var(--warning-tint); }
.badge-info { color: var(--info); background: var(--info-tint); }
.badge-muted { color: var(--muted); background: var(--canvas); }
.table-wrap { position: relative; overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 20px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: 0.95rem; }
th { background: var(--canvas); font-weight: 600; white-space: nowrap; }
td a { display: inline-flex; align-items: center; min-height: 44px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.tabs .btn + .btn { margin-left: 0; }
.codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; font-family: ui-monospace, Consolas, monospace; font-size: 1.05rem; padding-left: 20px; }
.qr svg { width: 200px; height: auto; margin: 8px 0; background: var(--surface); }
.steps li { margin-bottom: 12px; }
.ref-code { font-family: ui-monospace, Consolas, monospace; font-size: 1.4rem; font-weight: 700; }
.danger-zone { margin-top: 24px; }