/* PF — cadrul aplicației (meniu lateral + zonă de conținut). Necesită pf-tokens.css */
.pf-skip { position: absolute; left: -999px; top: 8px; background: var(--pf-accent); color: var(--pf-accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.pf-skip:focus { left: 8px; }
.pf-shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; background: var(--pf-bg); color: var(--pf-text); font-family: var(--pf-font); }
.pf-shell *, .pf-shell *::before, .pf-shell *::after { box-sizing: border-box; }
.pf-shell ul { list-style: none; margin: 0; padding: 0; }
.pf-shell__side { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 24px; padding: 22px 14px; background: var(--pf-surface); border-right: 1px solid var(--pf-line); overflow-y: auto; }
.pf-shell__brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; color: var(--pf-text); text-decoration: none; font-size: 1.2rem; font-weight: 700; letter-spacing: -.01em; }
.pf-logo { width: 32px; height: 32px; flex: none; }
.pf-shell__nav { display: grid; gap: 4px; }
.pf-shell__link { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 12px; color: var(--pf-muted); text-decoration: none; font-weight: 600; font-size: .95rem; white-space: nowrap; }
.pf-shell__link:hover { background: var(--pf-surface-2); color: var(--pf-text); }
.pf-shell__link:focus-visible { outline: 3px solid var(--pf-text); outline-offset: 2px; }
.pf-shell__link[aria-current="page"] { background: var(--pf-surface-2); color: var(--pf-text); box-shadow: inset 3px 0 0 var(--pf-accent); }
.pf-shell__icon { flex: none; }
.pf-shell__count { margin-left: auto; background: var(--pf-alert); color: #2b1411; border-radius: 999px; font-size: .75rem; padding: 1px 8px; font-weight: 700; }
.pf-shell__foot { margin-top: auto; display: grid; gap: 10px; }
.pf-lang { margin: 0; display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--pf-bg); width: fit-content; }
.pf-lang a { padding: 5px 12px; border-radius: 999px; font-size: .8rem; font-weight: 700; color: var(--pf-muted); text-decoration: none; }
.pf-lang a[aria-current] { background: var(--pf-accent); color: var(--pf-accent-ink); }
.pf-shell__main { padding: 28px clamp(16px, 3vw, 40px) 48px; min-width: 0; display: grid; align-content: start; }
@media (max-width: 860px) {
  .pf-shell { grid-template-columns: minmax(0, 1fr); }
  .pf-shell__side { position: static; height: auto; flex-direction: column; gap: 10px; padding: 12px 14px; border-right: 0; border-bottom: 1px solid var(--pf-line); overflow: visible; }
  .pf-shell__nav { display: flex; overflow-x: auto; gap: 4px; padding-bottom: 4px; }
  .pf-shell__foot { margin-top: 0; display: flex; align-items: center; justify-content: space-between; }
}