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var(--color-border);box-shadow:var(--shadow-md);width:360px;max-width:100%}.login-card h1{margin-top:0}.crash-screen{padding:var(--space-8)}.invite-intro{color:var(--color-text-secondary);text-align:center;margin:var(--space-2) 0 var(--space-4)}@media(max-width:820px){.shell{grid-template-columns:1fr;grid-template-rows:auto 1fr}.mobile-topbar{display:flex;align-items:center;gap:var(--space-3);position:sticky;top:0;z-index:30;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--space-2) var(--space-4)}.mobile-topbar .hamburger{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:var(--space-2);color:var(--color-text-secondary)}.mobile-topbar .mobile-title{font-weight:var(--weight-bold);font-size:var(--text-base)}.mobile-topbar .mobile-title .accent{color:var(--color-primary)}.sidebar{position:fixed;top:0;left:0;bottom:0;width:240px;z-index:50;transform:translate(-100%);transition:transform .2s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0f172a66;opacity:0;pointer-events:none;transition:opacity .2s ease}.sidebar-backdrop.open{opacity:1;pointer-events:auto}.main{padding:var(--space-5) var(--space-4)}.row,.grid-2{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:stretch;gap:var(--space-3)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}