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#f3f3f3;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.app-loading p{margin:0;color:#666;font-size:1rem}@media (max-width: 768px){.dashboard{padding:1rem;background:#fff}.dashboard-header{margin-bottom:2rem;padding:1.5rem 1rem}.dashboard-header h1{font-size:1.75rem}.dashboard-header p{font-size:1rem}.communities-grid{grid-template-columns:1fr;gap:1rem}.community-header-bar{padding:1.5rem 1rem}.community-title h2{font-size:1.5rem}.community-title p{font-size:1rem}.auth-page{padding:.5rem}}@media (max-width: 480px){.dashboard{padding:.5rem}.dashboard-header{padding:1rem;margin-bottom:1.5rem}.dashboard-header h1{font-size:1.5rem}.communities-grid{gap:.75rem}.community-header-bar{padding:1rem}.community-title h2{font-size:1.25rem}}@media (prefers-color-scheme: dark){.dashboard{background:#1a1a1a;color:#e5e7eb}.dashboard-header{background:#374151}.dashboard-header 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