/* App shell: topbar, sidebar navigation, login screen, portal variants. */
.boot-splash { min-height: 100vh; display: grid; place-items: center; }

.app { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); grid-template-rows: var(--topbar-h) auto 1fr; }
.app > .topbar { grid-column: 1 / -1; }
.app > .app-banner { grid-column: 1 / -1; }
.app > .sidebar { grid-row: 3; }
.app > .main { grid-row: 3; min-width: 0; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; inset-block-start: 0; z-index: var(--z-topbar);
  display: flex; align-items: center; gap: var(--sp-3);
  height: var(--topbar-h); padding-inline: var(--sp-4);
  background: linear-gradient(180deg, var(--c-navy) 0%, var(--c-navy-2) 100%);
  color: #fff; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}
body[data-portal="superadmin"] .topbar { background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%); }
.topbar .btn-ghost { color: #e2e8f0; }
.topbar .btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }
.brand { display: flex; align-items: center; gap: var(--sp-3); min-width: 0; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: var(--brand-secondary); color: #fff; overflow: hidden; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.brand-mark .icon { width: 22px; height: 22px; }
.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
.brand-name { font-weight: 800; font-size: var(--fs-md); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-sub { font-size: var(--fs-xs); color: #93c5fd; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-env { display: flex; align-items: center; gap: var(--sp-2); padding: 4px var(--sp-3); border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.1); font-weight: 700; white-space: nowrap; }
.topbar-env .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 2px rgba(255,255,255,0.6); }
.topbar-actions { margin-inline-start: auto; display: flex; align-items: center; gap: var(--sp-1); }
.topbar .badge-count { position: absolute; inset-block-start: 3px; inset-inline-end: 3px; }
.topbar .icon-btn-wrap { position: relative; }
.user-chip { display: flex; align-items: center; gap: var(--sp-2); padding: 3px var(--sp-2) 3px 3px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.06); color: #fff; }
[dir="rtl"] .user-chip { padding: 3px 3px 3px var(--sp-2); }
.user-chip .avatar { width: 30px; height: 30px; background: rgba(255,255,255,0.18); color: #fff; }
.user-chip-name { font-weight: 700; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-toggle { display: none; }

/* ---------- connectivity indicator ---------- */
.conn { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: var(--radius-pill); border: 0;
  background: rgba(255, 255, 255, 0.08); color: #d1fae5; font-size: var(--fs-xs); font-weight: 700; white-space: nowrap; }
.conn::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #34d399; }
.conn[data-state="offline"] { color: #fde68a; }
.conn[data-state="offline"]::before { background: #f59e0b; }
.conn[data-state="syncing"] { color: #bae6fd; }
.conn[data-state="syncing"]::before { background: #38bdf8; animation: pulse 1s infinite; }
.conn[data-state="issue"] { color: #fecaca; background: rgba(220, 38, 38, 0.3); }
.conn[data-state="issue"]::before { background: #f87171; }
.conn-light { background: var(--surface-3); color: var(--success); }
@keyframes pulse { 50% { opacity: 0.3; } }

/* ---------- support banner ---------- */
.app-banner { display: flex; align-items: center; justify-content: center; gap: var(--sp-3); flex-wrap: wrap; padding: 6px var(--sp-4);
  background: #fef3c7; color: #78350f; font-weight: 700; font-size: var(--fs-sm); border-block-end: 1px solid #fde68a; }

/* ---------- sidebar ---------- */
.sidebar { position: sticky; inset-block-start: var(--topbar-h); align-self: start; height: calc(100vh - var(--topbar-h));
  overflow-y: auto; padding: var(--sp-4) var(--sp-3); background: var(--surface); border-inline-end: 1px solid var(--line);
  display: flex; flex-direction: column; gap: var(--sp-1); }
.nav-section { padding: var(--sp-3) var(--sp-3) var(--sp-1); font-size: var(--fs-xs); font-weight: 800; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em; }
.nav-link { display: flex; align-items: center; gap: var(--sp-3); padding: 9px var(--sp-3); border-radius: var(--radius-sm);
  color: var(--ink-2); font-weight: 600; }
.nav-link:hover { background: var(--surface-3); text-decoration: none; }
.nav-link.is-active { background: var(--accent-soft); color: var(--accent-strong); font-weight: 800; }
.nav-link.is-active .icon { color: var(--accent); }
.nav-link .icon { color: var(--muted); width: 19px; height: 19px; }
.nav-link .nav-soon { margin-inline-start: auto; font-size: 10px; padding: 0 6px; }
.dept-head { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-3); margin-block-end: var(--sp-2);
  border-radius: var(--radius); background: var(--accent-soft); }
.dept-head-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--accent); color: #fff; flex: none; }
.dept-head-name { font-weight: 800; line-height: 1.2; }
.dept-switch { width: 100%; }
.sidebar-foot { margin-block-start: auto; padding-block-start: var(--sp-3); }

.main { padding-block-end: var(--sp-10); }

@media (max-width: 960px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .app > .sidebar { position: fixed; inset-block: var(--topbar-h) 0; inset-inline-start: 0; z-index: var(--z-drawer); width: min(300px, 85vw);
    height: auto; transform: translateX(-105%); transition: transform 0.2s ease-out; box-shadow: var(--shadow-lg); }
  [dir="rtl"] .app > .sidebar { transform: translateX(105%); }
  body.nav-open .app > .sidebar { transform: none; }
  body.nav-open .nav-scrim { display: block; }
  .nav-scrim { display: none; position: fixed; inset: var(--topbar-h) 0 0; z-index: calc(var(--z-drawer) - 1); background: rgba(15, 23, 42, 0.35); }
  .nav-toggle { display: inline-flex; }
  .app > .main { grid-row: 3; }
}
@media (max-width: 640px) {
  .topbar { padding-inline: var(--sp-2); gap: var(--sp-2); }
  .brand-sub, .user-chip-name, .topbar-env-label, .conn-label { display: none; }
  .conn { padding: 6px; }
}

/* ---------- login ---------- */
.login-screen { min-height: 100vh; display: grid; place-items: center; padding: var(--sp-6); position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--c-navy) 0%, #0c3a58 35%, var(--c-ocean) 75%, #0284c7 100%); }
.login-screen::before, .login-screen::after { content: ""; position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3; pointer-events: none; }
.login-screen::before { width: 480px; height: 480px; background: #38bdf8; inset-block-start: -120px; inset-inline-end: -80px; }
.login-screen::after { width: 380px; height: 380px; background: #6366f1; inset-block-end: -100px; inset-inline-start: -80px; }
.login-card { position: relative; z-index: 1; width: min(430px, 100%); display: grid; gap: var(--sp-4); padding: 36px 32px;
  background: rgba(255, 255, 255, 0.98); border-radius: 20px; box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35); animation: popIn 0.35s ease-out; }
.login-brand { display: grid; justify-items: center; gap: var(--sp-2); text-align: center; }
.login-brand .brand-mark { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg, var(--c-ocean), var(--c-sky)); }
.login-brand .brand-mark .icon { width: 30px; height: 30px; }
.login-brand h1 { font-size: var(--fs-xl); }
.login-brand p { color: var(--muted); margin: 0; }
.login-lang { position: absolute; z-index: 2; inset-block-start: var(--sp-4); inset-inline-end: var(--sp-4); color: #fff;
  border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.1); }
.login-lang:hover { background: rgba(255,255,255,0.2); }
.login-foot { text-align: center; color: var(--muted); font-size: var(--fs-xs); }

/* ---------- notifications / sync panels ---------- */
.notif-panel { width: min(380px, calc(100vw - 24px)); padding: 0; }
.notif-head { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-3) var(--sp-4); border-block-end: 1px solid var(--line); }
.notif-list { max-height: 420px; overflow-y: auto; }
.notif-item { display: block; width: 100%; padding: var(--sp-3) var(--sp-4); border: 0; border-block-end: 1px solid var(--line); background: none; text-align: start; color: var(--ink); }
.notif-item:hover { background: var(--surface-2); }
.notif-item.is-unread { background: var(--accent-softer); }
.notif-item.is-unread .notif-title::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-inline-end: 6px; }
.notif-title { font-weight: 700; }
.notif-body { color: var(--ink-2); font-size: var(--fs-sm); }
.notif-time { color: var(--muted); font-size: var(--fs-xs); }
.sync-op { padding: var(--sp-3) 0; border-block-end: 1px solid var(--line); }
.sync-op pre { max-height: 220px; overflow: auto; background: var(--surface-3); padding: var(--sp-3); border-radius: var(--radius-sm); font-size: var(--fs-xs); white-space: pre-wrap; word-break: break-word; }