/* shell.css -- contractor app chrome: top bar, bottom nav (React Bits PillNav), desktop sidebar, FAB, page scaffolding. Tokens only. */
.app { min-height: 100dvh; display: block; }
.app__col { min-width: 0; }
.app__main { padding: 0 0 calc(var(--bottom-nav-h) + var(--space-16) + var(--safe-bottom)); }
#view { width: min(100% - 2 * var(--gutter), var(--w-app)); margin-inline: auto; padding-top: var(--space-4); display: grid; gap: var(--space-6); align-content: start; }
#view > * { min-width: 0; }

body[data-shell="auth"] .sidebar, body[data-shell="auth"] .topbar, body[data-shell="auth"] .bottom-nav, body[data-shell="auth"] .fab { display: none !important; }
body[data-shell="auth"] .app__main { padding: 0; }
body[data-shell="auth"] #view { width: 100%; max-width: none; padding-top: 0; gap: 0; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: var(--z-sticky); display: flex; align-items: center; gap: var(--space-2); min-height: var(--nav-h); padding: var(--space-2) var(--gutter); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); border-bottom: var(--border-w) solid var(--border); }
.topbar__brand { display: flex; align-items: center; gap: var(--space-3); min-width: 0; flex: 1; text-decoration: none; color: var(--text); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-heading); }
.topbar__brand .monogram { width: 2rem; height: 2rem; font-size: var(--fs-xs); }
.topbar__brand .brand__logo { height: 1.5rem; }
.topbar__brand span.truncate { max-width: 100%; }
.avatar-btn { padding: 0; }
.avatar-btn .monogram { width: 2.25rem; height: 2.25rem; }

.demo-strip { display: flex; align-items: center; justify-content: center; gap: var(--space-3); flex-wrap: wrap; padding: var(--space-2) var(--gutter); background: var(--info-tint); color: var(--info); font-size: var(--fs-sm); text-align: center; }
.demo-strip button { color: inherit; text-decoration: underline; min-height: var(--tap); padding-inline: var(--space-2); }
body[data-shell="auth"] .demo-strip { background: var(--surface-2); color: var(--text-2); }

/* ---------- bottom nav: React Bits PillNav reworked as a 4-item bar ---------- */
.bottom-nav .pill-nav-container { bottom: calc(var(--space-2) + var(--safe-bottom)); }
html.has-sheet .bottom-nav { display: none; }

/* ---------- FAB: add photo ---------- */
.fab { position: fixed; right: var(--gutter); bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + var(--space-8)); z-index: var(--z-nav); width: 3.5rem; height: 3.5rem; border-radius: 50%; display: grid; place-items: center; background: var(--accent-fill); color: var(--on-accent); box-shadow: var(--shadow-2); }
.fab:focus-visible { outline-color: var(--text); box-shadow: 0 0 0 calc(var(--ring-offset) + var(--ring-w)) var(--bg), var(--shadow-2); }
.fab:active { transform: translateY(1px); }
.fab[hidden] { display: none; }
html.has-sheet .fab { display: none; }

/* ---------- sidebar (desktop) ---------- */
.sidebar { display: none; }
@media (min-width: 64rem) {
  .app { display: grid; grid-template-columns: 15rem minmax(0, 1fr); }
  .sidebar { display: flex; flex-direction: column; gap: var(--space-6); position: sticky; top: 0; align-self: start; height: 100dvh; padding: var(--space-6) var(--space-4); border-right: var(--border-w) solid var(--border); background: var(--surface); }
  body[data-shell="auth"] .app { display: block; }
  .bottom-nav { display: none; }
  .app__main { padding-bottom: var(--space-16); }
  .fab { bottom: var(--space-8); right: var(--space-8); }
  .topbar .topbar__brand { display: none; }
  .topbar { justify-content: flex-end; }
  .toast-fallback { bottom: var(--space-6); }
  :root { --bottom-nav-h: 0px; }
}
.sidebar__brand { display: flex; align-items: center; gap: var(--space-3); padding-inline: var(--space-2); text-decoration: none; color: var(--text); font-weight: var(--fw-semibold); min-width: 0; }
.sidebar__nav { display: grid; gap: var(--space-1); }
.sidebar__link { display: flex; align-items: center; gap: var(--space-3); min-height: var(--tap); padding: 0 var(--space-3); border-radius: var(--radius-md); color: var(--text-2); text-decoration: none; font-weight: var(--fw-medium); position: relative; }
.sidebar__link:hover { background: var(--surface-2); color: var(--text); }
.sidebar__link[aria-current="page"] { background: var(--accent-tint); color: var(--accent); font-weight: var(--fw-semibold); box-shadow: inset 3px 0 0 var(--accent-fill); }
.sidebar__foot { margin-top: auto; display: grid; gap: var(--space-3); padding-inline: var(--space-2); }

/* ---------- page scaffolding ---------- */
.page-head { display: grid; gap: var(--space-2); }
.page-head__back { display: inline-flex; align-items: center; gap: var(--space-1); min-height: var(--tap); color: var(--text-2); text-decoration: none; font-size: var(--fs-sm); font-weight: var(--fw-medium); width: fit-content; }
.page-head__back:hover { color: var(--text); }
.page-head__row { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.page-head__titles { min-width: 0; display: grid; gap: var(--space-1); }
.page-title { font-size: var(--fs-2xl); line-height: var(--lh-tight); letter-spacing: var(--tracking-display); overflow-wrap: anywhere; }
.page-head__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.page-head h1:focus { outline: none; }
.block { display: grid; gap: var(--space-3); min-width: 0; }
.block__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.block__title { font-size: var(--fs-lg); }
.two-col { display: grid; gap: var(--space-6); }
@media (min-width: 64rem) { .two-col { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: start; } }

/* ---------- auth screens ---------- */
.auth { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr); background: var(--bg); }
.auth__hero { position: relative; isolation: isolate; overflow: clip; padding: var(--space-8) var(--gutter) var(--space-8); display: grid; align-content: space-between; gap: var(--space-8); }
.auth__hero .hero__field { position: absolute; inset: 0; z-index: -1; pointer-events: none; color: var(--text); opacity: 0.16; }
.auth__hero .hero__field canvas, .auth__hero .hero__field svg { width: 100%; height: 100%; }
.auth__hero .hero__topo { position: absolute; inset: 0; }
.auth__hero .hero__field:has(.topography-container--live) > svg { opacity: 0; }
.auth__logo { display: inline-flex; width: fit-content; }
.auth__logo img { height: 2rem; width: auto; }
.auth__headline { font-size: var(--fs-display); line-height: var(--lh-tight); letter-spacing: var(--tracking-display); font-weight: var(--fw-semibold); max-width: 12ch; }
.auth__sub { font-size: var(--fs-md); color: var(--text-2); max-width: 36ch; margin-top: var(--space-3); }
.auth__panel { padding: var(--space-6) var(--gutter) var(--space-12); display: grid; align-content: start; gap: var(--space-4); width: min(100%, 30rem); margin-inline: auto; }
.auth__panel h1, .auth__panel h2 { font-size: var(--fs-xl); }
.auth__demo { display: grid; gap: var(--space-2); padding: var(--space-4); border: var(--border-w) dashed var(--border-strong); border-radius: var(--radius-lg); }
.auth__alt { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; color: var(--text-2); }
@media (min-width: 64rem) {
  .auth { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
  .auth__hero { padding: var(--space-12); min-height: 100dvh; }
  .auth__panel { align-content: center; padding: var(--space-12) var(--space-8); }
}

/* programmatic focus on the page heading (router moves focus there after navigation): no ring, it is not an interactive control */
[tabindex="-1"]:focus, [tabindex="-1"]:focus-visible { outline: none; }