.app{font-family:system-ui,-apple-system,sans-serif;max-width:600px;margin:2rem auto;padding:0 1rem}.app-wide{font-family:system-ui,-apple-system,sans-serif;max-width:1200px;margin:2rem auto;padding:0 1rem}.admin-tabs{display:flex;gap:0;border-bottom:2px solid #dee2e6;margin-bottom:1.5em}.admin-tab{padding:8px 20px;border:none;background:none;cursor:pointer;font-size:.95em;color:#555;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s}.admin-tab:hover{color:#222}.admin-tab.active{color:#0d6efd;border-bottom-color:#0d6efd;font-weight:600}.admin-tab .badge{display:inline-block;background:#dc3545;color:#fff;font-size:.75em;padding:1px 6px;border-radius:10px;margin-left:6px;vertical-align:middle;font-weight:600}.error{color:#c00;padding:1rem}.loading{padding:1rem;color:#666}