/* Idea 90 — app shell (sidebar + tab bar). */

.app-frame-d {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
}

.app-sidebar-d {
  position: sticky;
  top: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 16px;
  background: var(--side-bg);
  border-right: 1px solid var(--d-line);
  backdrop-filter: blur(12px);
}

.app-sidebar-d h6 {
  font: 500 11px var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--d-muted);
  margin: 0 0 6px 10px;
}

.app-sidebar-d nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-sidebar-d nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--d-ink-2);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.app-sidebar-d nav a:hover {
  background: color-mix(in srgb, var(--d-primary) 6%, transparent);
}

.app-sidebar-d nav a.active {
  background: var(--nav-on-bg);
  color: var(--nav-on-ink);
  font-weight: 600;
}

.logo-d {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 0 6px 4px;
  color: var(--d-ink);
}

.logo-d__name {
  font: var(--w-display) 19px var(--font-display);
  letter-spacing: -0.02em;
  color: inherit;
}

.logo-d__name::after {
  content: none;
  display: none;
}

.logo-d__icon,
.logo-d svg {
  width: 34px;
  height: 34px;
  flex: none;
}

.logo-d--on-dark {
  color: var(--d-card);
}

.logo-d--on-dark .logo-d__name {
  color: inherit;
}

.side-proj {
  background: var(--d-soft);
  border-radius: 16px;
  padding: 12px;
  font-size: 14px;
  color: var(--d-ink-2);
}

.side-proj b {
  display: block;
  font: var(--w-display2) 15px var(--font-display);
  color: var(--d-ink);
  margin-bottom: 2px;
}

.side-back {
  font-size: 14px;
  color: var(--d-primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  margin: 0 0 8px 10px;
}

.app-user-d {
  margin-top: auto;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 10px;
  row-gap: 4px;
  align-items: start;
  font-size: 14px;
  color: var(--d-ink-2);
  padding: 0 6px;
}

.app-user-d > .avatar-d {
  grid-row: 1 / span 2;
  align-self: center;
}

.avatar-d {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--d-soft);
  display: grid;
  place-items: center;
  font: 700 13px var(--font-display);
  color: var(--d-primary);
  flex: none;
}

.app-user-d .meta {
  min-width: 0;
}

.app-user-d .meta b {
  display: block;
  font-weight: 600;
  color: var(--d-ink);
  overflow-wrap: anywhere;
}

.app-user-d .meta small {
  display: block;
  font-size: 12px;
  color: var(--d-muted);
  overflow-wrap: anywhere;
}

.app-user-d > a {
  grid-column: 2;
  font-size: 13px;
  font-weight: 600;
  color: var(--d-primary);
  text-decoration: none;
}

.app-workspace-d {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar-d {
  display: none;
}

.shell-main--app {
  padding: 28px 32px 34px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.mobile-dock-d {
  display: none;
}

@media (max-width: 899px) {
  .app-frame-d {
    grid-template-columns: 1fr;
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
  }

  .app-sidebar-d {
    display: none;
  }

  .app-topbar-d {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 8px clamp(1rem, 4vw, 1.25rem) 12px;
    flex: none;
  }

  .app-topbar-d small {
    display: block;
    font-size: 12px;
    color: var(--d-muted);
  }

  .app-topbar-d h2 {
    font: var(--w-display) clamp(1.35rem, 5vw, 1.55rem) var(--font-display);
    margin: 2px 0 0;
    letter-spacing: -0.035em;
  }

  .mobile-dock-d {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(14px + env(safe-area-inset-bottom));
    z-index: 40;
    display: grid;
    grid-template-columns: repeat(var(--dock-count, 5), 1fr);
    align-items: center;
    padding: 8px 6px;
    background: var(--tab-bg);
    border-radius: var(--tab-r);
    box-shadow: 0 10px 30px -10px rgba(15, 30, 46, 0.35);
    backdrop-filter: blur(16px);
  }

  .mobile-dock-d a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: var(--tab-ink);
    text-decoration: none;
    padding: 4px 2px;
  }

  .mobile-dock-d a.active {
    color: var(--tab-on);
    font-weight: 600;
  }

  .mobile-dock-d a svg {
    width: 22px;
    height: 22px;
  }

  .mobile-dock-d .fab {
    width: 52px;
    height: 52px;
    border-radius: var(--fab-r);
    background: var(--fab-bg);
    color: var(--fab-ink);
    display: grid;
    place-items: center;
    margin: -26px auto 0;
    box-shadow: 0 10px 20px -6px rgba(15, 30, 46, 0.45);
  }

  .mobile-dock-d .fab svg {
    width: 24px;
    height: 24px;
  }

  .mobile-dock-d .fab span:last-child,
  .mobile-dock-d .fab-slot-hidden {
    display: none;
  }
}