.app-shell { display: grid; min-height: 100vh; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
.sidebar {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  height: 100vh;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
}
.brand { display: flex; min-height: 5.2rem; align-items: center; gap: .8rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.brand img { border-radius: .8rem; box-shadow: 0 0 0 1px var(--border); }
.brand div { display: flex; flex-direction: column; }
.brand strong { font-size: 1.02rem; letter-spacing: -.015em; }
.brand span { color: var(--muted); font-size: .78rem; }
.nav-groups { flex: 1; overflow-y: auto; padding: .9rem .7rem 1rem; }
.nav-group + .nav-group { margin-top: 1.15rem; }
.nav-label { display: block; padding: 0 .65rem .38rem; color: var(--muted); font-size: .68rem; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
.nav-group a { display: flex; min-height: 2.55rem; align-items: center; gap: .7rem; border: 1px solid transparent; border-radius: .6rem; padding: .55rem .65rem; color: var(--text-soft); font-size: .89rem; font-weight: 560; }
.nav-group a:hover { background: var(--surface); color: var(--text); }
.nav-group a[aria-current="page"] { border-color: var(--border); background: var(--accent-soft); color: var(--accent-strong); }
.nav-icon { display: inline-grid; width: 1.35rem; height: 1.35rem; place-items: center; color: currentColor; font-size: .92rem; }
.sidebar-foot { display: grid; gap: .7rem; padding: .9rem; border-top: 1px solid var(--border); }
.user-chip { display: flex; min-width: 0; align-items: center; gap: .7rem; }
.avatar { display: inline-grid; width: 2.15rem; height: 2.15rem; flex: 0 0 auto; place-items: center; border-radius: .65rem; background: var(--accent-soft); color: var(--accent-strong); font-weight: 760; }
.user-chip div { display: flex; min-width: 0; flex-direction: column; }
.user-chip strong { overflow: hidden; font-size: .88rem; text-overflow: ellipsis; white-space: nowrap; }
.user-chip span { color: var(--muted); font-size: .74rem; }
.workspace { display: flex; min-width: 0; min-height: 100vh; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 50; display: flex; min-height: 5.2rem; align-items: center; gap: 1rem; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 88%, transparent); padding: .85rem clamp(1rem, 3vw, 2.4rem); backdrop-filter: blur(14px); }
.global-search { display: flex; width: min(34rem, 58vw); align-items: center; gap: .65rem; border: 1px solid var(--border); border-radius: .7rem; background: var(--surface); padding: 0 .8rem; }
.global-search input { width: 100%; border: 0; background: transparent; box-shadow: none; padding-inline: 0; }
.global-search kbd { border: 1px solid var(--border); border-radius: .3rem; background: var(--surface-2); padding: .08rem .35rem; color: var(--muted); font-size: .72rem; }
.topbar-actions { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.theme-control select { min-height: 2.5rem; background: var(--surface); font-size: .85rem; }
.mobile-menu { display: none; }
.main-content { width: 100%; max-width: var(--content-max); flex: 1; align-self: center; padding: clamp(1.4rem, 3vw, 2.6rem); }
body[data-width="compact"] .main-content { max-width: 78rem; }
body[data-width="wide"] .main-content { max-width: 112rem; }
.app-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .7rem; border-top: 1px solid var(--border); padding: 1rem clamp(1.4rem, 3vw, 2.6rem); color: var(--muted); font-size: .76rem; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.4rem; margin-bottom: 1.8rem; }
.dashboard-head { align-items: center; }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; }
.panel-wide { grid-column: 1 / -1; }
.document-layout { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; align-items: start; gap: 1.3rem; }
.document-meta { position: sticky; top: 6.5rem; }
.admin-grid { display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(26rem, 1.4fr); align-items: start; gap: 1rem; }