html,body,#app{margin:0;min-height:100%;font-family:Inter,system-ui,sans-serif;background:#f8f9fb}.app-shell{min-height:100vh}.app-header{background:#fff;box-shadow:0 4px 24px #0f172a0f;padding:0 20px}.header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px;padding:12px 0}.brand-icon{font-size:1.6rem;line-height:1}.brand-title{display:block;font-size:1.1rem}.brand-sub{display:block;font-size:.78rem}.app-version{margin-left:.35rem;font-variant-numeric:tabular-nums;opacity:.85}.user-email{font-size:.82rem;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-content{max-width:1280px;margin:0 auto;padding:24px 16px 48px;width:100%;box-sizing:border-box}@media (max-width: 768px){.header-inner{flex-direction:column;align-items:stretch}}