/* ============================================================
   LAYOUT — shell, sidebar, topbar, page grids, auth screen
   ============================================================ */

.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
body.mini .shell { grid-template-columns: var(--sidebar-w-mini) 1fr; }

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--sidebar); border-right: 1px solid var(--border);
  padding: 20px 14px; display: flex; flex-direction: column; gap: 3px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto; z-index: var(--z-sidebar);
  transition: transform var(--t);
}
.brand { display: flex; align-items: center; gap: 11px; padding: 4px 8px 18px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px; background: var(--grad);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 14px;
  flex: none; box-shadow: var(--shadow-md);
}
.brand-text { min-width: 0; }
.brand-name { font-weight: 750; font-size: 15.5px; letter-spacing: -.2px; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .04em; }

.nav-label { font-size: 10.5px; letter-spacing: .11em; text-transform: uppercase; color: var(--muted); padding: 16px 12px 7px; font-weight: 700; }
.nav-item {
  display: flex; align-items: center; gap: 11px; padding: 10px 12px;
  border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 550;
  color: var(--muted); transition: var(--t-fast);
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--primary); color: var(--on-primary); box-shadow: var(--shadow-md); }
.nav-item .pill {
  margin-left: auto; font-size: 10.5px; font-weight: 700; padding: 2px 7px;
  border-radius: var(--radius-pill); background: var(--danger); color: #fff;
}
.nav-item.active .pill { background: rgba(255, 255, 255, .25); }

.sidebar-foot { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-radius: var(--radius-sm); width: 100%; transition: var(--t-fast); }
.sidebar-user:hover { background: var(--surface-2); }
.sidebar-user .meta { min-width: 0; text-align: left; }
.sidebar-user .meta b { display: block; font-size: 13px; font-weight: 650; }
.sidebar-user .meta span { font-size: 11px; color: var(--muted); }

/* mini (collapsed) sidebar */
body.mini .brand-text,
body.mini .nav-item span.label,
body.mini .nav-item .pill,
body.mini .nav-label,
body.mini .sidebar-user .meta { display: none; }
body.mini .nav-item, body.mini .brand, body.mini .sidebar-user { justify-content: center; }
body.mini .sidebar { padding-inline: 10px; }

/* ---------- Main / topbar ---------- */
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: var(--z-drawer);
  display: flex; align-items: center; gap: 12px;
  height: var(--topbar-h); padding: 0 22px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .search { flex: 1; max-width: 400px; }
.burger { display: none; }

.content { padding: 24px 22px 40px; display: flex; flex-direction: column; gap: 20px; }

.page-head { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 3px; }
.page-head .actions { margin-left: auto; display: flex; gap: 9px; flex-wrap: wrap; }

.breadcrumb { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.breadcrumb a:hover { color: var(--primary); }

/* ---------- Grids ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-main { display: grid; grid-template-columns: 1.7fr 1fr; gap: 16px; align-items: start; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 16px; }

/* ---------- Auth screen ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 36px 20px; background: var(--bg); }
.auth-card {
  width: min(940px, 100%); display: grid; grid-template-columns: 1fr 1fr;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
}
.auth-art { background: var(--grad); color: #fff; padding: 42px 38px; display: flex; flex-direction: column; gap: 14px; position: relative; overflow: hidden; }
.auth-art::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255, 255, 255, .12); right: -100px; bottom: -120px; }
.auth-art .brand-sub { color: rgba(255, 255, 255, .75); }
.auth-art h2 { font-size: 26px; line-height: 1.28; letter-spacing: -.6px; margin-top: auto; font-weight: 750; }
.auth-art p { color: rgba(255, 255, 255, .88); font-size: 13.5px; max-width: 34ch; }
.auth-art .stats { display: flex; gap: 26px; margin-top: 20px; position: relative; z-index: 1; }
.auth-art .stats b { display: block; font-size: 19px; font-weight: 750; }
.auth-art .stats span { font-size: 11.5px; color: rgba(255, 255, 255, .8); }
.auth-form { padding: 42px 40px; }
.auth-form h1 { font-size: 21px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 11.5px; margin: 20px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-main { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .shell, body.mini .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w);
    transform: translateX(-100%); box-shadow: var(--shadow-lg);
  }
  body.nav-open .sidebar { transform: none; }
  body.nav-open::after {
    content: ""; position: fixed; inset: 0; background: rgba(9, 18, 33, .45);
    z-index: var(--z-drawer); backdrop-filter: blur(2px);
  }
  .burger { display: grid; }
  .topbar .search { max-width: none; }
  .auth-card { grid-template-columns: 1fr; }
  .auth-art { display: none; }
  .content { padding: 18px 16px 32px; }
}

@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .topbar { padding: 0 14px; }
  .topbar .hide-sm { display: none; }
  .auth-form { padding: 32px 24px; }
  .page-head .actions { width: 100%; }
}