.app-shell {
  display: grid;
  grid-template-columns: 244px 1fr;
  grid-template-rows: 64px 1fr;
  grid-template-areas:
    "side header"
    "side main";
  min-height: 100vh;
}

.app-header {
  grid-area: header;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  background: rgba(255,251,242,.85);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.app-header__title {
  font-weight: 800; font-size: 16px; letter-spacing: -.01em;
}
.app-header__right { display: flex; gap: 10px; align-items: center; }

.app-side {
  grid-area: side;
  background:
    radial-gradient(1100px 200px at -10% -20%, rgba(245,158,11,.18), transparent 60%),
    radial-gradient(1000px 300px at 110% 110%, rgba(79,70,229,.12), transparent 70%),
    #1B160E;
  color: #F5EDDD;
  padding: 22px 16px;
  display: flex; flex-direction: column;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 8px 18px;
}
.brand__logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #F59E0B 0%, #FB923C 100%);
  display: grid; place-items: center;
  color: #1B160E; font-weight: 900; font-size: 18px;
  box-shadow: 0 6px 16px rgba(245,158,11,.35);
}
.brand__title { font-weight: 800; letter-spacing: -.01em; font-size: 16px; }
.brand__subtitle { font-size: 11px; color: rgba(245,237,221,.55); margin-top: 2px; }

.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; }
.nav__group { font-size: 11px; color: rgba(245,237,221,.4); margin: 14px 10px 6px; letter-spacing: .12em; text-transform: uppercase; }
.nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  color: rgba(245,237,221,.78);
  font-size: 13.5px; font-weight: 500;
  transition: background .15s, color .15s;
}
.nav__item:hover { background: rgba(255,255,255,.06); color: #FFF6E5; }
.nav__item--active {
  background: linear-gradient(135deg, rgba(245,158,11,.22), rgba(251,146,60,.18));
  color: #FFF; font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(245,158,11,.35);
}
.nav__icon { width: 18px; height: 18px; opacity: .9; }

.app-side__footer { margin-top: auto; padding: 10px; font-size: 11px; color: rgba(245,237,221,.45); }

.app-main {
  grid-area: main;
  padding: 28px 32px 64px;
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(245,158,11,.06), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

.container { max-width: 1280px; margin: 0 auto; }
.page-title { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.page-title h1 { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.page-title p { margin: 4px 0 0; color: var(--text-mute); font-size: 13px; }

.grid-2 { display: grid; grid-template-columns: 1.4fr .9fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

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

/* Auth/standalone screens */
.auth-shell {
  min-height: 100vh;
  display: grid; place-items: center;
  background:
    radial-gradient(700px 400px at 30% 20%, rgba(245,158,11,.18), transparent 60%),
    radial-gradient(700px 400px at 70% 80%, rgba(79,70,229,.14), transparent 60%),
    var(--bg);
  padding: 40px;
}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.auth-card .brand { padding: 0 0 18px; }