.shell { display: grid; grid-template-columns: 216px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  padding: 30px 18px 24px; background: var(--color-surface);
  border-right: 1px solid var(--color-border); position: sticky; top: 0;
  height: 100vh; display: flex; flex-direction: column; overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 23px; white-space: nowrap; }
.brand img { width: 34px; height: 34px; }
.brand-caption { margin: 8px 0 0 44px; color: var(--color-muted); font-size: 11px; }
.nav { display: grid; gap: 4px; margin-top: 30px; }
.nav-label { padding: 18px 14px 8px; font-size: 11px; color: var(--color-muted); }
.nav a { padding: 11px 14px; min-height: 44px; border-radius: 10px; display: flex; align-items: center; gap: 12px; color: var(--color-muted); font-size: 13px; }
.nav a:hover { background: var(--color-surface-hover); color: var(--color-primary); }
.nav a.active { background: var(--color-soft); color: var(--color-primary); font-weight: 600; }
.sidebar-foot { margin-top: auto; padding: 24px 10px 0; font-size: 12px; }
.sidebar-foot a { display: flex; align-items: center; gap: 8px; }
.sidebar-foot small { display: block; margin-top: 14px; font-size: 10px; }
.main { min-width: 0; background: radial-gradient(ellipse at 95% 0, var(--color-soft), transparent 55%); }
.topbar { height: 72px; display: flex; align-items: center; justify-content: space-between; padding: 0 36px; border-bottom: 1px solid var(--color-border); background: var(--color-glass); }
.breadcrumb { display: flex; gap: 12px; align-items: center; font-size: 12px; }
.breadcrumb span:first-child { color: var(--color-muted); }
.user-entry { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.user-symbol { background: var(--color-soft); color: var(--color-primary); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; }
.content { max-width: 1320px; margin: auto; padding: 32px 36px 64px; }
.heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 26px; min-height: 62px; }
.heading p { margin-top: 6px; font-size: 13px; }
.grid { display: grid; gap: 20px; }
.cols2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.stack { display: grid; gap: 20px; align-content: start; }
.public-header { max-width: 1240px; margin: auto; padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; }
.public { max-width: 1240px; margin: auto; padding: 30px 32px; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 44px; padding: 48px 0 72px; }
.hero h1 { font-size: 54px; line-height: 1.25; letter-spacing: -1.5px; margin: 20px 0; }
.hero img { width: 100%; }
.hero-copy { max-width: 440px; font-size: 16px; }
.hero-actions { margin-top: 28px; }
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: 75vh; gap: 64px; align-items: center; max-width: 1080px; margin: 28px auto; padding: 24px; }
.auth-art { padding: 30px; }
.auth-art h1 { font-size: 38px; line-height: 1.45; margin-bottom: 10px; }
.auth-art img { width: 100%; max-height: 290px; }
.auth .card { max-width: 460px; width: 100%; padding: 36px; }
.auth-intro { font-size: 12px; margin: 8px 0 28px; }
.table-wrap { overflow: auto; }
.mobile-nav { display: none; }

@media (max-width: 1080px) {
  .shell { grid-template-columns: 188px minmax(0, 1fr); }
  .sidebar { padding: 24px 12px; }
  .content { padding: 28px 24px 64px; }
  .topbar { padding: 0 24px; }
  .cols4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cols2 { grid-template-columns: 1fr; }
  .content .cols3 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; }
  .auth { gap: 20px; }
}
@media (max-width: 600px) {
  .shell { display: block; }
  .sidebar { display: none; }
  .topbar { height: 60px; padding: 0 20px; }
  .content { padding: 22px 18px 112px; }
  .heading { align-items: center; margin-bottom: 22px; gap: 12px; }
  .heading h1 { font-size: 24px; }
  .heading p { font-size: 12px; }
  .heading > .btn { padding: 9px 12px; font-size: 12px; }
  .cols2, .cols3, .auth { grid-template-columns: 1fr; }
  .cols4 { gap: 12px; }
  .auth-art { display: none; }
  .auth { margin: 14px auto; padding: 18px; min-height: auto; }
  .public { padding: 16px 20px; }
  .public-header { padding: 20px; }
  .public-header .row { gap: 10px; }
  .hero { padding: 30px 0 44px; gap: 18px; grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; letter-spacing: -.7px; }
  .hero img { max-height: 270px; }
  .hero-copy { font-size: 14px; }
  .mobile-nav { position: fixed; bottom: 0; left: 0; right: 0; display: flex; justify-content: space-around; background: var(--color-glass); backdrop-filter: blur(20px); border-top: 1px solid var(--color-border); padding: 12px 4px max(12px, env(safe-area-inset-bottom)); z-index: 5; }
  .mobile-nav a { color: var(--color-muted); font-size: 11px; display: grid; text-align: center; gap: 5px; }
  .mobile-nav a.active { color: var(--color-primary); }
  .mobile-nav svg { margin: auto; }
  .breadcrumb { font-size: 11px; gap: 8px; }
  .preview { max-width: 90vw; }
  .card { padding: 20px; }
  .public-header .brand { font-size: 21px; }
}