/* The shell: sidebar, top bar, content, task drawer, login. Desktop first; the sidebar
   becomes an icon rail on request, slides in as a sheet below 900px, and pages stack
   to one column on a phone. */

.app {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr);
  grid-template-rows: var(--topbar-h) auto 1fr;
  grid-template-areas: "nav top" "nav notice" "nav main";
  min-height: 100vh;
  transition: grid-template-columns var(--t-med) var(--ease);
}
.app.rail { grid-template-columns: var(--nav-w-rail) minmax(0, 1fr); }

/* Translucent where the browser can blur what is behind, solid where it cannot. */
.glass { background: var(--surface-solid); }
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--overlay); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); }
}

/* ----------------------------------------------------------------- sidebar */
.sidebar {
  grid-area: nav;
  position: sticky; top: 0; align-self: start; z-index: var(--z-nav);
  display: flex; flex-direction: column;
  height: 100vh; min-width: 0;
  border-right: 1px solid var(--border);
}
.sidebar-head { display: flex; align-items: center; height: var(--topbar-h); padding: 0 var(--s-4); flex: none; }
.brand { display: flex; align-items: center; gap: var(--s-3); min-width: 0; color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: -.01em; font-size: 1.05rem; }
.brand img { flex: none; border-radius: 8px; box-shadow: var(--shadow-1); }
.brand-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav { flex: 1; min-height: 0; overflow-y: auto; padding: var(--s-2) var(--s-3) var(--s-3); display: flex; flex-direction: column; gap: var(--s-4); }
.nav-group { display: flex; flex-direction: column; gap: 2px; }
.nav-title { padding: 0 var(--s-3) var(--s-1); color: var(--faint); font-size: .72rem; font-weight: 620; letter-spacing: .09em; text-transform: uppercase; white-space: nowrap; }
.nav a {
  position: relative;
  display: flex; align-items: center; gap: var(--s-3);
  min-height: 36px; padding: 0 var(--s-3);
  color: var(--muted); text-decoration: none; font-weight: 520; white-space: nowrap;
  border-radius: var(--r-md);
  transition: background var(--t-fast), color var(--t-fast);
}
.nav a .icon { width: 18px; height: 18px; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a[aria-current="page"] { background: var(--accent-soft); color: var(--text); font-weight: 620; }
.nav a[aria-current="page"] .icon { color: var(--accent); }
.nav a[aria-current="page"]::before {
  content: ""; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--accent-a), var(--accent-b));
}
.nav-count {
  margin-left: auto; min-width: 18px; height: 18px; padding: 0 5px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: .74rem; font-weight: 700; line-height: 1;
  color: var(--accent-text); background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); border-radius: var(--r-full);
}
.nav-count + .nav-key { margin-left: var(--s-2); }
.app.rail .nav-count { position: absolute; top: 2px; right: 6px; margin: 0; }
.topbar .btn.attention { color: var(--warn); background: var(--warn-soft); }
.nav-key { margin-left: auto; color: var(--faint); font-family: var(--mono); font-size: .76rem; opacity: 0; transition: opacity var(--t-fast); }
.nav a:hover .nav-key, .nav a:focus-visible .nav-key { opacity: 1; }

.sidebar-foot { flex: none; padding: var(--s-2) var(--s-3) var(--s-3); border-top: 1px solid var(--border); }
.sidebar-foot .btn { width: 100%; justify-content: flex-start; gap: var(--s-3); padding: 0 var(--s-3); color: var(--muted); }
.sidebar-foot .btn .icon { width: 18px; height: 18px; transition: transform var(--t-med) var(--ease); }

.app.rail .brand-name, .app.rail .nav-label, .app.rail .nav-title, .app.rail .nav-key, .app.rail .sidebar-foot .btn-label { display: none; }
.app.rail .sidebar-head { padding: 0; justify-content: center; }
.app.rail .nav { padding-inline: var(--s-2); }
.app.rail .nav-group + .nav-group { padding-top: var(--s-3); border-top: 1px solid var(--border); }
.app.rail .nav a, .app.rail .sidebar-foot .btn { justify-content: center; padding: 0; }
.app.rail .nav a[aria-current="page"]::before { left: -8px; }
.app.rail .sidebar-foot { padding-inline: var(--s-2); }
.app.rail .sidebar-foot .btn .icon { transform: rotate(180deg); }

.scrim { position: fixed; inset: 0; z-index: calc(var(--z-nav) - 1); background: var(--scrim); animation: sf-fade var(--t-med); }

/* ------------------------------------------------------------------ top bar */
.topbar {
  grid-area: top;
  position: sticky; top: 0; z-index: var(--z-topbar);
  display: flex; align-items: center; gap: var(--s-2);
  height: var(--topbar-h); padding: 0 var(--s-5);
  border-bottom: 1px solid var(--border);
}
.topbar .spacer { flex: 1; }
.btn.nav-toggle { display: none; }
.farm { display: flex; align-items: center; gap: var(--s-2); min-width: 0; margin-right: var(--s-2); }
.farm-name { font-weight: 620; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 22ch; }
.link-dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.link-dot.off { background: var(--fail); box-shadow: 0 0 0 3px var(--fail-soft); }

.search-trigger {
  display: flex; align-items: center; gap: var(--s-2);
  flex: 0 1 380px; min-width: 0; height: 34px; padding: 0 var(--s-2) 0 var(--s-3);
  font: inherit; color: var(--muted); text-align: left; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.search-trigger:hover { border-color: var(--border-strong); color: var(--text); }
.search-trigger .grow { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-trigger kbd { flex: none; }

.counter {
  display: inline-flex; align-items: center; gap: var(--s-2);
  height: 34px; padding: 0 var(--s-3);
  color: var(--text); text-decoration: none; white-space: nowrap;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md);
}
.counter:hover { border-color: var(--border-strong); }
.counter .icon { color: var(--accent); }
.counter.warn { border-color: var(--warn); }
.counter.warn .icon { color: var(--warn); }
.counter strong { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.topbar .btn.icon-only { position: relative; }
.count-dot {
  position: absolute; top: -4px; right: -4px;
  min-width: 17px; height: 17px; padding: 0 4px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: .72rem; font-weight: 700; line-height: 1;
  color: var(--accent-text); background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  border-radius: var(--r-full); box-shadow: 0 0 0 2px var(--surface-solid);
}

/* A farm-wide message under the top bar: the daemon is not answering. */
.notice {
  grid-area: notice; position: sticky; top: var(--topbar-h); z-index: var(--z-sticky);
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3);
  padding: var(--s-2) var(--s-5);
  color: var(--text); background: var(--surface-solid); border-bottom: 1px solid var(--fail);
  box-shadow: inset 4px 0 0 var(--fail);
}
.notice .grow { min-width: 200px; }

/* ------------------------------------------------------------------ content */
.main { grid-area: main; min-width: 0; width: 100%; max-width: var(--content-max); margin: 0 auto; padding: var(--s-6) var(--s-8) 120px; }
.main:focus { outline: none; }
/* No fill mode: a finished animation that still "applies" would make the page a
   containing block and pin the floating selection bar to the page instead of the window. */
.main > .page { animation: sf-rise var(--t-med) var(--ease); }

.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--s-3) var(--s-4); margin-bottom: var(--s-5); }
.page-title { flex: 1 1 300px; min-width: 0; }
.page-title h1 { overflow-wrap: anywhere; }
.page-title .sub { margin-top: var(--s-1); color: var(--muted); max-width: 78ch; }
.page-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
.crumbs { display: flex; align-items: center; gap: var(--s-1); margin-bottom: var(--s-1); color: var(--muted); font-size: .88rem; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); text-decoration: underline; }

.grid { display: grid; gap: var(--s-4); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.auto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.stack { display: flex; flex-direction: column; gap: var(--s-4); }
.stack.tight { gap: var(--s-2); }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.split { display: grid; grid-template-columns: minmax(260px, 380px) minmax(0, 1fr); gap: var(--s-5); align-items: start; }

/* ------------------------------------------------------------------- drawer */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: var(--z-drawer);
  width: min(440px, 100vw);
  display: flex; flex-direction: column;
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-3);
  animation: sf-slide var(--t-med) var(--ease);
}
.drawer-head { display: flex; align-items: center; gap: var(--s-2); height: var(--topbar-h); padding: 0 var(--s-4); border-bottom: 1px solid var(--border); flex: none; }
.drawer-head h2 { margin-right: auto; }
.drawer-body { overflow-y: auto; padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-3); }

/* -------------------------------------------------------------------- login */
.login { min-height: 100vh; display: grid; place-items: center; padding: var(--s-4); }
.login-card {
  position: relative; overflow: hidden;
  width: min(400px, 100%);
  display: flex; flex-direction: column; gap: var(--s-3);
  padding: var(--s-8) var(--s-6) var(--s-6);
  border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-3);
}
.login-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--accent-a), var(--accent-b)); }
.login-card img { border-radius: 12px; box-shadow: var(--shadow-2); }
.login-card h1 { margin-top: var(--s-2); }
.login-card label { margin-top: var(--s-2); }
.login-card input { width: 100%; height: 40px; font-family: var(--mono); }
.login-card .btn { height: 40px; margin-top: var(--s-1); }

.toasts { position: fixed; right: var(--s-4); bottom: var(--s-4); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--s-2); width: min(400px, calc(100vw - 2 * var(--s-4))); pointer-events: none; }
.toasts > * { pointer-events: auto; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main { padding-inline: var(--s-5); }
}

@media (max-width: 900px) {
  .app, .app.rail { grid-template-columns: minmax(0, 1fr); grid-template-areas: "top" "notice" "main"; }
  .notice { padding-inline: var(--s-4); }
  .btn.nav-toggle { display: inline-flex; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: min(280px, 86vw); height: auto;
    transform: translateX(-102%); visibility: hidden;
    transition: transform var(--t-med) var(--ease), visibility 0s linear var(--t-med);
    box-shadow: var(--shadow-3);
  }
  .sidebar.open { transform: none; visibility: visible; transition: transform var(--t-med) var(--ease); }
  /* A sheet always shows its labels, also when the rail was chosen on a wide screen. */
  .app.rail .brand-name, .app.rail .nav-label, .app.rail .nav-title { display: revert; }
  .app.rail .sidebar-head { padding: 0 var(--s-4); justify-content: flex-start; }
  .app.rail .nav { padding-inline: var(--s-3); }
  .app.rail .nav-group + .nav-group { padding-top: 0; border-top: 0; }
  .app.rail .nav a { justify-content: flex-start; padding: 0 var(--s-3); }
  .sidebar-foot { display: none; }
  .topbar { padding: 0 var(--s-3); }
  .main { padding: var(--s-4) var(--s-4) 120px; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .grid.cols-2 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: minmax(0, 1fr); }
  .topbar { gap: var(--s-1); }
  .farm-name { max-width: 12ch; }
  .search-trigger { flex: none; width: 34px; padding: 0; justify-content: center; }
  .search-trigger .grow, .search-trigger kbd { display: none; }
  .counter .counter-label, #help-button, #logout .btn-label { display: none; }
  .counter { padding: 0 var(--s-2); }
  .main { padding: var(--s-4) var(--s-3) 120px; }
  .page-actions { width: 100%; }
  h1 { font-size: 1.35rem; }
}