.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
}

.app-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
}

.brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
}

.brand-word .sharp { color: var(--text-strong); }
.brand-word .sync { color: var(--rust); }
[data-theme="dark"] .brand-word .sync { color: var(--accent); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  cursor: pointer;
}

.app-sidebar {
  grid-area: sidebar;
  background: var(--sidebar-bg);
  color: #efe7dc;
  padding: var(--space-6) var(--space-4);
}

.nav-label {
  display: block;
  margin: 0 12px 8px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #a89c8e;
}

.nav-label + .nav-label,
.side-nav + .nav-label {
  margin-top: var(--space-6);
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.side-nav a {
  color: #d8cfc3;
  text-decoration: none;
  padding: 11px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: var(--text-sm);
}

.side-nav a:hover {
  background: rgba(255, 248, 239, 0.08);
  color: #fff8ef;
  text-decoration: none;
}

.side-nav a.is-active {
  background: #b45309;
  color: #fff8ef;
  text-decoration: none;
}

.app-main {
  grid-area: main;
  padding: var(--space-8) var(--space-8) 96px;
  min-width: 0;
}

.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-kicker {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(180, 83, 9, 0.16), transparent 50%),
    #f3efe6;
}

.auth-card {
  width: min(420px, 100%);
  background: #fffcf7;
  color: #1c1916;
  border-radius: 16px;
  padding: var(--space-8);
  border: 1px solid #ddd4c6;
  box-shadow: var(--shadow-lg);
}

.auth-card h1 { color: #1c1916; }
.auth-logo {
  display: block;
  width: min(220px, 100%);
  margin: 0 auto var(--space-6);
}

.grid-2,
.grid-3,
.grid-stats {
  display: grid;
  gap: var(--space-4);
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-stats { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

@media (max-width: 960px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }
  .app-sidebar {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 15;
    width: min(300px, 88vw);
  }
  .app.is-nav-open .app-sidebar { display: block; }
  .nav-toggle { display: inline-flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .app-main { padding: var(--space-4) var(--space-4) 96px; }
}

@media (max-width: 360px) {
  .brand-word { font-size: 1rem; }
  .auth-card { padding: var(--space-4); }
}