*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;background:#f1f5f9;color:#1e293b;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh}.header{display:flex;align-items:center;gap:12px;padding:16px 24px;background:#0f172a;color:#fff}.logo{font-size:1.25rem;font-weight:700}.subtitle{font-size:.875rem;opacity:.7}.back-btn{margin-left:auto;padding:6px 14px;border:1px solid rgba(255,255,255,.3);border-radius:6px;background:transparent;color:#fff;font-size:.8rem;cursor:pointer;transition:background .15s}.back-btn:hover{background:#ffffff1a}.main{flex:1;padding:32px 24px;max-width:1200px;margin:0 auto;width:100%}.error-banner{padding:12px 16px;background:#fef2f2;color:#dc2626;border:1px solid #fecaca;border-radius:8px;margin-bottom:20px;font-size:.9rem}.tenant-picker{text-align:center;padding-top:40px}.tenant-picker h2{font-size:1.5rem;margin-bottom:8px}.picker-desc{color:#64748b;margin-bottom:32px;max-width:500px;margin-left:auto;margin-right:auto}.tenant-cards{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.tenant-card{display:flex;flex-direction:column;align-items:center;gap:12px;padding:28px 32px;background:#fff;border:1px solid #e2e8f0;border-top:4px solid;border-radius:12px;cursor:pointer;transition:box-shadow .15s,transform .15s;min-width:180px;font-family:inherit}.tenant-card:hover{box-shadow:0 8px 24px #0000001a;transform:translateY(-2px)}.tenant-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;font-weight:700}.tenant-name{font-weight:600;font-size:1rem}.tenant-id{font-size:.75rem;color:#94a3b8;font-family:monospace}.loading{display:flex;flex-direction:column;align-items:center;padding-top:80px;gap:16px;color:#64748b}.spinner{width:36px;height:36px;border:3px solid #e2e8f0;border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.dashboard-container{background:#fff;border-radius:12px;border:1px solid #e2e8f0;overflow:hidden}.footer{padding:16px 24px;text-align:center;font-size:.8rem;color:#94a3b8;border-top:1px solid #e2e8f0}.sep{margin:0 8px}