:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#111827;background:#f9fafb;line-height:1.5}*{box-sizing:border-box}body{margin:0;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:#fff;border-bottom:1px solid #e5e7eb}.topbar-title{font-size:1rem;font-weight:600;color:#111827;margin:0}.topbar-user{text-align:right;font-size:.875rem;color:#374151}.topbar-user .name{font-weight:600}.topbar-user .email{color:#6b7280;font-size:.8125rem}.signout-btn{margin-top:.25rem;background:none;border:none;color:#2563eb;font-size:.8125rem;cursor:pointer;padding:0}.signout-btn:hover{text-decoration:underline}.page{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 1.5rem;min-height:calc(100vh - 65px)}.page-center{display:flex;flex-direction:column;align-items:center;gap:1rem;max-width:28rem;text-align:center}.signin-prompt{font-size:1.125rem;color:#374151;margin:0 0 .5rem}.primary-btn{background:#1a56db;color:#fff;border:none;padding:1rem 2rem;font-size:1.125rem;font-weight:600;border-radius:.5rem;cursor:pointer;transition:background .15s}.primary-btn:hover:not(:disabled){background:#1e429f}.primary-btn:disabled{background:#9ca3af;cursor:not-allowed}.error{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca;padding:.75rem 1rem;border-radius:.375rem;font-size:.875rem;max-width:32rem;word-break:break-word}