.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100000;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(122,162,255,.45);
  background: #0f172a;
  color: #dbeafe;
  text-decoration: none;
  font-size: 12px;
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid #93c5fd;
  outline-offset: 2px;
}

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: 0;
  padding: 18px 14px;
  border-right: 1px solid var(--stroke2);
  background: linear-gradient(180deg, #0e1015, #0b0c0f);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.brand {
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap: 10px;
  padding: 10px 10px 14px;
  border: 1px solid var(--stroke2);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  margin-bottom: 12px;
}

.brand .title { font-weight: 700; letter-spacing: .2px; }

.nav { display:flex; flex-direction:column; gap: 6px; margin-top: 10px; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
}

.sidebar-github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--stroke2);
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
}

.sidebar-github-link:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
}

.sidebar-github-link svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.nav button {
  width: 100%;
  text-align: left;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.nav button:hover {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.06);
}

.nav button.active {
  background: rgba(122,162,255,.12);
  border-color: rgba(122,162,255,.25);
}

.content {
  height: 100vh;
  min-height: 0;
  padding: 18px 18px 40px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--stroke2);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
}

.topbar .left { display:flex; flex-direction:column; gap: 2px; min-width: 0; }

.topbar .left .h1 { font-weight: 700; font-size: 14px; }

.topbar .left .h2-slot {
  min-height: 36px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 2px;
}

.topbar .left .h2 {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
  min-height: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fo-topbar-status-line {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.fo-topbar-status-label {
  font-weight: 700;
  color: rgba(232,234,240,.96);
}

.fo-topbar-status-value {
  color: rgba(226,232,240,.96);
}

.fo-topbar-status-note {
  color: var(--muted);
}

.fo-topbar-guidance-line {
  color: var(--muted);
}

.topbar .actions {
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content:flex-end;
  align-items: flex-start;
}

.topbar .actions .btn { white-space: nowrap; }

.topbar .left .fo-topbar-action {
  margin-left: 0;
  align-self: flex-start;
  line-height: 1.1;
  font-size: 12px;
}

.topbar .left .fo-topbar-action.is-hidden {
  visibility: hidden;
  pointer-events: none;
}

.page { display:none; }
.page.active { display:block; }
.page[hidden] { display: none !important; }

@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .topbar .actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .topbar .left .h2 {
    white-space: normal;
  }
}