/* The app frame: a bottom bar with a raised Snap button on phones, a side bar on desktop,
   and the main column. Screen-specific styles live with each feature. */
.app { min-height: 100vh; min-height: 100dvh; }
body { padding-top: var(--view-as-bar-h, 0px); }
.wrap {
  width: 100%; max-width: 920px; margin: 0 auto;
  padding: var(--s4) var(--s4) calc(var(--nav-h) + var(--s6) + env(safe-area-inset-bottom));
}
.wrap.wide { max-width: 1320px; }
.wrap.narrow { max-width: 460px; padding-top: var(--s6); }
/* Log-in and waiting screens have no navigation, so no room is kept for it. */
.app.no-nav .wrap { padding-bottom: var(--s6); }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s3); }
.page-head h1 { margin: 0; }

/* Navigation */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: flex; justify-content: space-around; align-items: flex-end;
  height: calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding: 0 var(--s1) env(safe-area-inset-bottom);
  background: var(--card); border-top: 1px solid var(--line);
}
.nav .nav-brand { display: none; }
.nav a {
  flex: 1; min-width: 0; height: var(--nav-h);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  color: var(--muted); text-decoration: none; font-size: var(--text-xs); font-weight: 600;
}
.nav a svg { width: 24px; height: 24px; }
.nav a.on { color: var(--accent); }
.nav a.snap { position: relative; }
.nav a.snap .snap-disc {
  width: 58px; height: 58px; margin-top: -26px; border-radius: 50%;
  display: grid; place-items: center; background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 6px 18px rgba(15, 110, 86, 0.35); border: 4px solid var(--paper);
}
.nav a.snap .snap-disc svg { width: 26px; height: 26px; }
.nav a.snap.on { color: var(--accent); }

@media (min-width: 900px) {
  .app { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); }
  .app.no-nav { display: block; }
  .wrap { padding: var(--s5) var(--s5) var(--s6); }
  .nav {
    position: sticky; top: var(--view-as-bar-h, 0px); height: calc(100dvh - var(--view-as-bar-h, 0px));
    flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 2px;
    padding: var(--s4) var(--s3); border-top: 0; border-right: 1px solid var(--line);
  }
  /* ".nav .nav-brand" outranks the ".nav a" rules below, so the name never looks like a menu item. */
  .nav .nav-brand {
    display: flex; order: -2; height: auto; gap: var(--s2); padding: var(--s2) var(--s3) var(--s4);
    font-weight: 750; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--ink);
  }
  .nav .nav-brand:hover { background: none; }
  .nav .nav-brand svg { width: 28px; height: 28px; color: var(--accent); }
  .nav a {
    flex: none; height: var(--tap); flex-direction: row; justify-content: flex-start; gap: var(--s3);
    padding: 0 var(--s3); border-radius: var(--r-sm); font-size: 0.95rem; color: var(--ink-soft);
  }
  .nav a svg { width: 20px; height: 20px; }
  .nav a:hover { background: var(--paper); }
  .nav a.on { background: var(--accent-soft); color: var(--accent-strong); }
  .nav a.snap { order: -1; margin-bottom: var(--s3); background: var(--accent); color: var(--accent-ink); }
  .nav a.snap:hover, .nav a.snap.on { background: var(--accent-strong); color: var(--accent-ink); }
  .nav a.snap .snap-disc { width: auto; height: auto; margin: 0; border: 0; box-shadow: none; background: none; color: inherit; }
  .nav a.snap .snap-disc svg { width: 20px; height: 20px; }
}

/* Admin view-as: fixed strip above the app shell (not a grid child of .app). Height → --view-as-bar-h via JS. */
.view-as-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  box-sizing: border-box;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s2);
  padding: env(safe-area-inset-top, 0px) var(--s3) var(--s2);
  background: var(--view-as-bg);
  color: var(--view-as-fg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem; font-weight: 600;
  white-space: nowrap;
}
.view-as-bar > span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.view-as-bar strong { font-weight: 700; }
.view-as-bar .view-as-bar-user-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  color: inherit;
}
.view-as-bar .btn-quiet {
  flex-shrink: 0;
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  background: rgba(255, 255, 255, 0.14);
  color: var(--view-as-fg);
  border-color: rgba(255, 255, 255, 0.5);
}
.view-as-bar .btn-quiet:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.65);
}
@media (max-width: 479px) {
  .view-as-bar {
    flex-wrap: wrap; align-content: center; align-items: flex-start;
    font-size: 0.75rem; padding-left: var(--s2); padding-right: var(--s2); gap: var(--s1);
    white-space: normal;
  }
  .view-as-bar > span {
    flex: 1 1 100%; white-space: normal; overflow: visible; text-overflow: unset;
  }
  .view-as-bar .btn-quiet { margin-left: auto; }
}

.offline-bar {
  position: sticky; top: var(--view-as-bar-h, 0px); z-index: 35;
  display: flex; align-items: center; justify-content: center; gap: var(--s2);
  padding: var(--s2) var(--s4); background: var(--warn-bg); color: var(--warn); font-size: var(--text-sm); font-weight: 600;
}
.offline-bar svg { width: 18px; height: 18px; }

/* Two panes on wide screens: a list on the left and the open item on the right. */
.two-pane { display: block; }
.pane-list { display: none; }
@media (min-width: 900px) and (max-width: 1279px) {
  .two-pane .pane-list { display: none; }
}
@media (min-width: 1280px) {
  .two-pane { display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr); gap: var(--s5); align-items: start; }
  .pane-list {
    display: block; position: sticky;
    top: calc(var(--view-as-bar-h, 0px) + var(--s5));
    max-height: calc(100dvh - var(--view-as-bar-h, 0px) - 2 * var(--s5));
    overflow: auto; padding-right: var(--s1);
  }
}

/* Large text / narrow layout (additive). Rollback: delete this block. */
.page-head { container-type: inline-size; }
@container (width < 18em) {
  .page-head { flex-wrap: wrap; }
}
.nav a { container-type: inline-size; }
@container (width < 4.5em) {
  .nav a > span:last-child:not(.snap-disc) {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}