/* SRP: page shell, toolbar, and breadcrumb. */

html, body { height: 100%; overflow: hidden; }
body { display: flex; flex-direction: column; }

/* ── Toolbar (breadcrumb + actions) ───────────── */
.drv-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 18px; margin-bottom: 4px;
  border-bottom: 1px solid var(--card-border);
}

.drv-toolbar-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.drv-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.drv-view-switch {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin: 0;
}

.drv-view-switch-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.drv-view-toggle {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}

.drv-view-toggle:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
  color: var(--text);
}

.drv-view-toggle.is-active {
  background: rgba(124,92,255,.18);
  border-color: rgba(124,92,255,.45);
  color: #e3dcff;
  cursor: default;
}

/* ── Breadcrumb ──────────────────────────────── */
.drv-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.drv-crumb-link {
  color: var(--muted); text-decoration: none; cursor: pointer;
  transition: color .12s;
}
.drv-crumb-button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  font: inherit;
}
.drv-crumb-link:hover { color: var(--text); }
.drv-crumb-sep { color: rgba(255,255,255,.25); font-size: 13px; user-select: none; }
.drv-crumb-current { color: var(--text); font-weight: 600; font-size: 15px; }

@media (max-width: 600px) {
  html, body { height: auto; overflow: auto; }
  .wr-scroll-view { padding: 20px 14px; }
  .drv-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .drv-breadcrumb { flex-wrap: wrap; }
  .drv-view-switch { flex-wrap: wrap; }
  .drv-view-switch-actions { flex-wrap: wrap; }
}