.app-body { min-height: 100vh; overflow-x: hidden; }
.app-main { padding-top: var(--app-header-height); }
.app-content { width: min(1440px, calc(100% - 32px)); margin: 0 auto; padding: 20px 0 32px; }
.app-content--full { width: 100%; max-width: none; padding: 20px 16px 32px; }
.app-page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.app-page-header__actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.app-section-stack { display: grid; gap: 16px; }
.app-grid { display: grid; gap: 16px; }
.app-kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1024px) { .app-kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .app-content { width: min(100% - 20px, 1440px); } .app-kpi-grid { grid-template-columns: 1fr; } .app-page-header { flex-direction: column; } }