.app-desktop-shell {
  width: 100vw;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

.app-desktop-stage {
  position: relative;
  width: var(--desktop-stage-width, 100vw);
  min-height: var(--desktop-stage-height, 100dvh);
  transform: scale(var(--desktop-ui-scale, 1));
  transform-origin: top left;
}

.app {
  min-height: var(--desktop-stage-height, 100dvh);
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  background: var(--bg);
}

.boot-state {
  min-height: var(--desktop-stage-height, 100dvh);
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.16), transparent 24rem),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.14), transparent 28rem),
    #f8fafc;
}

.boot-card {
  width: min(560px, 100%);
  padding: 36px;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 14px;
}

.boot-card h1 {
  font-size: 28px;
}

.boot-card p {
  color: var(--muted);
  line-height: 1.7;
}

.boot-badge {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.boot-badge-error {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.boot-action {
  width: fit-content;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #0f172a;
  color: #fff;
  font-weight: 700;
}

.main { min-width: 0; display: grid; grid-template-rows: auto auto minmax(0, 1fr); }
.main.overview-main {
  grid-template-rows: auto minmax(0, 1fr);
}
.main.workbench-main {
  grid-template-rows: auto minmax(0, 1fr);
}
.main.chat-main {
  height: var(--desktop-stage-height, 100dvh);
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}
.main.requests-main,
.main.approval-main,
.main.policies-main,
.main.audit-main,
.main.employees-main,
.main.settings-main {
  height: var(--desktop-stage-height, 100dvh);
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}
.main.settings-main {
  grid-template-rows: minmax(0, 1fr);
}
.main.audit-detail-main {
  grid-template-rows: minmax(0, 1fr);
}
.workarea { overflow: auto; padding: 24px; }
.workarea.chat-workarea {
  min-height: 0;
  overflow: hidden;
}
.workarea.requests-workarea,
.workarea.approval-workarea,
.workarea.policies-workarea,
.workarea.audit-workarea,
.workarea.employees-workarea,
.workarea.settings-workarea {
  min-height: 0;
  overflow: hidden;
  padding: 20px 24px;
}
.workarea.settings-workarea {
  padding: 0;
  background: #fff;
}

@media (max-width: 1180px) {
  .app { grid-template-columns: 220px minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .app { display: block; }
  .workarea { padding: 18px 16px 28px; }
}