/* Left floating sidebar, top bar and off-canvas drawer for the signed-in area.
 * Load AFTER glass.css and mobile.css. Only transform and opacity are animated;
 * the rail width and the indicator height snap (no transition). */

.app {
  --sb-w: 272px;
  display: grid;
  grid-template-columns: var(--sb-w) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  width: 100%;
  max-width: 1480px;
  margin-inline: auto;
  padding: 12px max(12px, env(safe-area-inset-right, 0px)) 12px max(12px, env(safe-area-inset-left, 0px));
  min-height: 100vh;
  min-height: 100dvh;
}
.app[data-collapsed="true"] { --sb-w: 84px; }

/* ---------------- Sidebar ---------------- */
.sidebar {
  position: sticky;
  top: max(12px, env(safe-area-inset-top, 0px));
  z-index: 45;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: calc(100vh - 24px);
  height: calc(100dvh - 24px - env(safe-area-inset-top, 0px));
  padding: 14px 10px 10px;
  overflow: hidden;
  min-width: 0;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding-inline: 8px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.sidebar-brand svg { width: 28px; height: 28px; flex: 0 0 auto; }
.sidebar-nav {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.sidebar-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.nav-group-title {
  margin: 14px 12px 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* One shared indicator: JS sets --ind-y (px) and --ind-h (px) on the nav. */
.nav-indicator {
  position: absolute;
  left: var(--ind-l, 0px);
  right: var(--ind-r, 0px);
  top: 0;
  height: var(--ind-h, 44px);
  border-radius: 14px;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transform: translate3d(0, var(--ind-y, 0px), 0) scaleY(var(--ind-sy, 1));
  transform-origin: var(--ind-origin, 50% 50%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.20), rgba(255, 255, 255, 0.08));
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.35), inset -1px -1px 0 rgba(255, 255, 255, 0.10);
  transition: transform 0.3s cubic-bezier(0.34, 1.45, 0.5, 1), opacity 0.2s ease;
}
.nav-indicator.is-ready { opacity: 1; }

.nav-link,
.nav-toggle {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  line-height: 1.25;
  text-align: start;
  text-decoration: none;
  cursor: pointer;
}
.nav-link:hover,
.nav-toggle:hover { color: var(--text); }
.nav-link[aria-current="page"] { color: var(--text); }
.nav-link:focus-visible,
.nav-toggle:focus-visible,
.topbar-btn:focus-visible,
.sidebar-collapse:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.nav-ico { width: 20px; height: 20px; flex: 0 0 auto; }
.nav-label { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
.nav-chevron { width: 16px; height: 16px; flex: 0 0 auto; transition: transform 0.25s cubic-bezier(0.34, 1.45, 0.5, 1); }
.nav-toggle[aria-expanded="true"] .nav-chevron { transform: rotate(90deg); }
.nav-count {
  flex: 0 0 auto;
  min-width: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  background: var(--glass-bg-strong);
}
.nav-sub { margin: 2px 0 4px 18px !important; padding-inline-start: 10px !important; border-inline-start: 1px solid var(--glass-border); }
.nav-sub[hidden] { display: none; }
.nav-sub .nav-link { min-height: 40px; font-size: 0.92rem; }

.sidebar-foot { display: grid; gap: 6px; padding-top: 8px; border-top: 1px solid var(--glass-border); }
.sidebar-collapse { display: none; }

/* Tooltip for the icon-only rail: one fixed element positioned by JS. */
.rail-tip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 90;
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(var(--tip-x, 0px), var(--tip-y, 0px), 0);
  transition: opacity 0.15s ease;
}
.rail-tip.is-visible { opacity: 1; }

/* ---------------- Main column and top bar ---------------- */
.app-main { min-width: 0; display: grid; gap: 16px; align-content: start; }
.topbar {
  position: sticky;
  top: max(12px, env(safe-area-inset-top, 0px));
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 8px 14px;
  border-radius: var(--glass-radius-lg);
}
.topbar > * { min-width: 0; }
.topbar-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--glass-bg-strong);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
}
.topbar-btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.topbar-kbd {
  padding: 2px 6px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--glass-border);
}
.topbar-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--text);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
}
.topbar-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.menu-btn { display: none; }
.scrim { display: none; }
#main:focus { outline: none; }

/* ---------------- Desktop: collapsible rail ---------------- */
@media (min-width: 900px) {
  .sidebar-collapse {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 44px;
    padding: 0 12px;
    border: 0;
    border-radius: 14px;
    background: transparent;
    color: var(--text-muted);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
  }
  .sidebar-collapse:hover { color: var(--text); }
  .sidebar-collapse svg { width: 20px; height: 20px; flex: 0 0 auto; }
  .app[data-collapsed="true"] .sidebar-collapse svg { transform: scaleX(-1); }
  .app[data-collapsed="true"] :is(.nav-label, .nav-count, .nav-chevron, .nav-group-title, .sidebar-brand span, .sidebar-collapse span) {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .app[data-collapsed="true"] .nav-sub { display: none; }
  .app[data-collapsed="true"] :is(.nav-link, .nav-toggle, .sidebar-collapse) { justify-content: center; padding: 0; }
  .app[data-collapsed="true"] .sidebar-brand { justify-content: center; padding: 0; }
}

/* ---------------- Mobile: off-canvas drawer ---------------- */
@media (max-width: 899.98px) {
  .app { grid-template-columns: minmax(0, 1fr); padding-top: 8px; }
  .menu-btn { display: inline-flex; }
  .topbar-kbd { display: none; }
  .sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    top: 0;
    height: 100vh;
    height: 100dvh;
    width: min(320px, 86vw);
    border-radius: 0 var(--glass-radius-lg) var(--glass-radius-lg) 0;
    padding-top: calc(14px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    padding-left: calc(10px + env(safe-area-inset-left, 0px));
    z-index: 80;
    visibility: hidden;
    transform: translate3d(-105%, 0, 0);
    transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.32s;
  }
  .sidebar[data-open="true"] {
    visibility: visible;
    transform: translate3d(0, 0, 0);
    transition: transform 0.38s cubic-bezier(0.34, 1.3, 0.5, 1), visibility 0s;
  }
  .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0s linear 0.25s;
  }
  .scrim[data-open="true"] { opacity: 1; visibility: visible; transition: opacity 0.25s ease, visibility 0s; }
  .topbar-pill { display: none; }
  .topbar-search-label { display: none; }
}
@media (max-width: 899.98px) and (min-width: 480px) {
  .topbar-pill { display: inline-flex; }
}

body[data-scroll-lock] { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .nav-indicator, .nav-chevron, .rail-tip, .sidebar, .scrim { transition: none; }
}