diff --git a/apps/hq-web/src/components/SendDialog.tsx b/apps/hq-web/src/components/SendDialog.tsx
new file mode 100644
index 0000000..b8b4b1b
--- /dev/null
+++ b/apps/hq-web/src/components/SendDialog.tsx
@@ -0,0 +1,72 @@
+import { useEffect, useMemo, useState } from 'react'
+import { Button, Dialog, Field, Notice } from '@sims/ui'
+import { getEmailStatus, type Client, type Doc, type EmailStatus } from '../api'
+
+const OTHER = '__other__'
+
+/** Real send composer — To from the client's contacts, Subject prefilled, Gmail state inline. */
+export function SendDialog(props: {
+  open: boolean
+  onClose: () => void
+  doc: Doc
+  client: Client | undefined
+  onSend: (to: string, subject: string) => void
+}) {
+  const emails = useMemo(
+    () => (props.client?.contacts ?? []).map((c) => c.email).filter((e): e is string => e !== undefined && e !== ''),
+    [props.client],
+  )
+  const [pick, setPick] = useState('')
+  const [other, setOther] = useState('')
+  const [subject, setSubject] = useState('')
+  const [gmail, setGmail] = useState<EmailStatus | undefined>()
+
+  useEffect(() => {
+    if (!props.open) return
+    setPick(emails[0] ?? OTHER)
+    setOther('')
+    setSubject(`${props.doc.docType} ${props.doc.docNo ?? ''}`.trim())
+    getEmailStatus().then(setGmail).catch(() => setGmail(undefined))
+  }, [props.open, emails, props.doc])
+
+  const to = pick === OTHER ? other.trim() : pick
+  const down = gmail !== undefined && (!gmail.connected || gmail.dead)
+  const valid = /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(to) && subject.trim() !== '' && !down
+
+  return (
+    <Dialog
+      open={props.open}
+      onClose={props.onClose}
+      title="Send by email"
+      footer={
+        <>
+          <Button pill onClick={props.onClose}>Cancel</Button>
+          <Button pill tone="primary" onClick={() => { if (valid) { props.onSend(to, subject.trim()); props.onClose() } }}>
+            Send
+          </Button>
+        </>
+      }
+    >
+      {down && (
+        <Notice tone="warn">Gmail is disconnected — run gmail-connect on the server, then retry.</Notice>
+      )}
+      <Field label="To">
+        <select className="wf" value={pick} onChange={(e) => setPick(e.target.value)}>
+          {emails.map((e) => <option key={e} value={e}>{e}</option>)}
+          <option value={OTHER}>Other…</option>
+        </select>
+      </Field>
+      {pick === OTHER && (
+        <Field label="Email address">
+          <input className="wf" type="email" autoFocus value={other} onChange={(e) => setOther(e.target.value)} />
+        </Field>
+      )}
+      <Field label="Subject">
+        <input className="wf" value={subject} onChange={(e) => setSubject(e.target.value)} />
+      </Field>
+      {gmail?.address !== undefined && (
+        <p style={{ fontSize: 12, color: 'var(--text-dim)', margin: 0 }}>Sends from {gmail.address}.</p>
+      )}
+    </Dialog>
+  )
+}
diff --git a/apps/hq-web/src/pages/DocumentView.tsx b/apps/hq-web/src/pages/DocumentView.tsx
index 0860d5d..924a1f1 100644
--- a/apps/hq-web/src/pages/DocumentView.tsx
+++ b/apps/hq-web/src/pages/DocumentView.tsx
@@ -1,14 +1,21 @@
 import { useEffect, useState } from 'react'
 import { Link, useNavigate, useParams } from 'react-router-dom'
 import { formatINR } from '@sims/domain'
-import { Badge, Button, DataTable, EmptyState, ErrorState, Notice, RecordHeader, Skeleton, Toolbar } from '@sims/ui'
+import {
+  Badge, Button, ConfirmDialog, DataTable, EmptyState, ErrorState, Notice, RecordHeader, Skeleton,
+  Toolbar, useToast,
+} from '@sims/ui'
 import {
   createShare, documentAction, downloadDocumentPdf, fetchPdfBlob, getClient, getDocumentFull,
   revokeShare, type Client, type Doc, type Share,
 } from '../api'
+import { SendDialog } from '../components/SendDialog'
 import { DOC_TONE, useData } from './Clients'
 import { PaymentForm } from './client-forms'
 
+/** One pending confirmation — replaces the browser confirm() popup with the styled dialog. */
+interface Confirm { title: string; body: string; label: string; tone?: 'danger'; run: () => void }
+
 const TITLE: Record<Doc['docType'], string> = {
   QUOTATION: 'Quotation', PROFORMA: 'Proforma Invoice', INVOICE: 'Tax Invoice',
   RECEIPT: 'Receipt', CREDIT_NOTE: 'Credit Note',
@@ -31,9 +38,11 @@ export function DocumentView() {
     () => (doc !== undefined ? getClient(doc.clientId) : Promise.resolve(undefined)),
     [doc?.clientId],
   )
-  const [actionErr, setActionErr] = useState<string | undefined>()
+  const toast = useToast()
   const [busy, setBusy] = useState<string | undefined>()
   const [paying, setPaying] = useState(false)
+  const [sending, setSending] = useState(false)
+  const [confirm, setConfirm] = useState<Confirm | undefined>()
 
   // PDF preview via blob URL — an <iframe src> can't carry the bearer header.
   const [pdfUrl, setPdfUrl] = useState<string | undefined>()
@@ -59,28 +68,19 @@ export function DocumentView() {
   if (full.error !== undefined) return <div className="wf-page"><ErrorState message={full.error} onRetry={full.reload} /></div>
   if (doc === undefined || full.data === undefined) return <div className="wf-page"><Skeleton rows={6} /></div>
 
-  /** POST an action; convert/credit-note navigate to the new document. */
-  const act = (action: string, body?: Record<string, unknown>, navigateToResult = false) => {
-    setActionErr(undefined)
+  /** POST an action; convert/credit-note navigate to the new document; toasts report the outcome. */
+  const act = (action: string, body?: Record<string, unknown>, opts: { navigate?: boolean; ok?: string } = {}) => {
     setBusy(action)
     documentAction(id, action, body)
       .then((out) => {
-        if (navigateToResult && out.id !== id) nav(`/documents/${out.id}`)
+        if (opts.ok !== undefined) toast.ok(opts.ok)
+        if (opts.navigate === true && out.id !== id) nav(`/documents/${out.id}`)
         else full.reload()
       })
-      .catch((e: Error) => setActionErr(friendly(e.message)))
+      .catch((e: Error) => toast.err(friendly(e.message)))
       .finally(() => setBusy(undefined))
   }
 
-  const send = () => {
-    const defaultTo = client.data?.contacts.find((ct) => ct.email !== undefined && ct.email !== '')?.email ?? ''
-    const to = window.prompt('Send to (email)', defaultTo)
-    if (to === null || to.trim() === '') return
-    const subject = window.prompt('Subject', `${doc.docType} ${doc.docNo ?? ''}`.trim())
-    if (subject === null) return
-    act('send', { to: to.trim(), subject })
-  }
-
   const issued = doc.docNo !== null
   const cancelled = doc.status === 'cancelled'
   const settling = doc.status === 'part_paid' || doc.status === 'paid'
@@ -108,48 +108,57 @@ export function DocumentView() {
 
       <Toolbar>
         {!issued && !cancelled && (
-          <Button tone="primary" onClick={() => act('issue')}>
+          <Button tone="primary" onClick={() => act('issue', undefined, { ok: 'Number issued' })}>
             {busy === 'issue' ? 'Issuing…' : 'Issue number'}
           </Button>
         )}
         {issued && !cancelled && (
-          <Button tone="primary" onClick={send}>{busy === 'send' ? 'Sending…' : 'Send by email'}</Button>
+          <Button tone="primary" onClick={() => setSending(true)}>
+            {busy === 'send' ? 'Sending…' : 'Send by email'}
+          </Button>
         )}
         {issued && doc.status === 'draft' && (
-          <Button onClick={() => act('status', { status: 'sent' })}>Mark sent (manual)</Button>
+          <Button onClick={() => act('status', { status: 'sent' }, { ok: 'Marked sent' })}>Mark sent (manual)</Button>
         )}
         {doc.docType === 'QUOTATION' && doc.status === 'sent' && (
           <>
-            <Button onClick={() => act('status', { status: 'accepted' })}>Mark accepted</Button>
-            <Button onClick={() => act('status', { status: 'lost' })}>Mark lost</Button>
+            <Button onClick={() => act('status', { status: 'accepted' }, { ok: 'Marked accepted' })}>Mark accepted</Button>
+            <Button onClick={() => act('status', { status: 'lost' }, { ok: 'Marked lost' })}>Mark lost</Button>
           </>
         )}
         {doc.docType === 'QUOTATION' && !cancelled && (
-          <Button onClick={() => act('convert', { to: 'PROFORMA' }, true)}>Convert to Proforma</Button>
+          <Button onClick={() => act('convert', { to: 'PROFORMA' }, { navigate: true, ok: 'Converted to proforma' })}>
+            Convert to Proforma
+          </Button>
         )}
         {(doc.docType === 'QUOTATION' || doc.docType === 'PROFORMA') && !cancelled && (
-          <Button onClick={() => act('convert', { to: 'INVOICE' }, true)}>Convert to Invoice</Button>
+          <Button onClick={() => act('convert', { to: 'INVOICE' }, { navigate: true, ok: 'Converted to invoice' })}>
+            Convert to Invoice
+          </Button>
         )}
         {doc.docType === 'PROFORMA' && !cancelled && doc.status !== 'invoiced' && (
           <>
             {/* Spec §8 one-click: convert → issue → email, in one action. */}
             <Button
               tone="primary"
-              onClick={() => {
-                if (window.confirm('Convert to invoice, assign its number and email it to the client?')) {
-                  act('convert-and-send', {}, true)
-                }
-              }}
+              onClick={() => setConfirm({
+                title: 'Convert to invoice & send',
+                body: 'Convert to invoice, assign its number and email it to the client?',
+                label: 'Convert & send',
+                run: () => act('convert-and-send', {}, { navigate: true, ok: 'Converted to invoice & sent' }),
+              })}
             >
               {busy === 'convert-and-send' ? 'Converting…' : 'Convert to invoice & send'}
             </Button>
             {/* Spec §8 cancel & recreate: retire this proforma, reopen its lines as a fresh draft. */}
             <Button
-              onClick={() => {
-                if (window.confirm('Supersede this proforma? It is cancelled (number stays consumed) and a fresh draft opens with the same lines.')) {
-                  act('supersede', {}, true)
-                }
-              }}
+              onClick={() => setConfirm({
+                title: 'Supersede & recreate',
+                body: 'Supersede this proforma? It is cancelled (number stays consumed) and a fresh draft opens with the same lines.',
+                label: 'Supersede',
+                tone: 'danger',
+                run: () => act('supersede', {}, { navigate: true, ok: 'Superseded' }),
+              })}
             >
               {busy === 'supersede' ? 'Superseding…' : 'Supersede & recreate'}
             </Button>
@@ -161,24 +170,38 @@ export function DocumentView() {
         {issued && !cancelled && !settling && (
           <Button
             tone="danger"
-            onClick={() => { if (window.confirm(`Cancel ${doc.docNo}? The number stays consumed.`)) act('cancel') }}
+            onClick={() => setConfirm({
+              title: 'Cancel document',
+              body: `Cancel ${doc.docNo}? The number stays consumed.`,
+              label: 'Cancel document',
+              tone: 'danger',
+              run: () => act('cancel', undefined, { ok: 'Cancelled' }),
+            })}
           >
             Cancel
           </Button>
         )}
         {doc.docType === 'INVOICE' && issued && !cancelled && (
           <Button
-            onClick={() => {
-              if (window.confirm(`Create a full-value credit note against ${doc.docNo}?`)) {
-                act('credit-note', {}, true)
-              }
-            }}
+            onClick={() => setConfirm({
+              title: 'Create credit note',
+              body: `Create a full-value credit note against ${doc.docNo}?`,
+              label: 'Create credit note',
+              run: () => act('credit-note', {}, { navigate: true, ok: 'Credit note created' }),
+            })}
           >
             Credit note
           </Button>
         )}
       </Toolbar>
-      {actionErr !== undefined && <Notice tone="err">{actionErr}</Notice>}
+
+      <SendDialog
+        open={sending}
+        onClose={() => setSending(false)}
+        doc={doc}
+        client={client.data}
+        onSend={(to, subject) => act('send', { to, subject }, { ok: `Sent to ${to}` })}
+      />
 
       <ShareActions doc={doc} client={client.data} shares={full.data.shares} onChange={full.reload} />
 
@@ -233,6 +256,18 @@ export function DocumentView() {
           )}
         </section>
       </div>
+
+      {confirm !== undefined && (
+        <ConfirmDialog
+          open
+          onClose={() => setConfirm(undefined)}
+          onConfirm={confirm.run}
+          title={confirm.title}
+          body={confirm.body}
+          confirmLabel={confirm.label}
+          {...(confirm.tone !== undefined ? { tone: confirm.tone } : {})}
+        />
+      )}
     </div>
   )
 }
@@ -256,8 +291,9 @@ function ShareActions(props: {
   const [busy, setBusy] = useState<string | undefined>()
   const [err, setErr] = useState<string | undefined>()
   const [copied, setCopied] = useState<string | undefined>()
+  const [confirm, setConfirm] = useState<{ id: string } | undefined>()
 
-  const shareUrl = (token: string): string => `${window.location.origin}/share/${token}`
+  const shareUrl = (token: string): string => `${location.origin}/share/${token}`
   const live = shares.filter(isLive)
   const primary = live[0] // server lists newest-first (uuidv7 id DESC)
 
@@ -277,7 +313,7 @@ function ShareActions(props: {
 
   const onCopy = (url: string) => {
     void navigator.clipboard?.writeText(url).then(
-      () => { setCopied(url); window.setTimeout(() => setCopied(undefined), 1800) },
+      () => { setCopied(url); setTimeout(() => setCopied(undefined), 1800) },
       () => setErr('Could not copy — select the link and copy it manually.'),
     )
   }
@@ -294,7 +330,7 @@ function ShareActions(props: {
     const digits = (client?.contacts.find((c) => c.phone !== undefined && c.phone !== '')?.phone ?? '')
       .replace(/\D/g, '')
     // With digits → chat opens on that number; without → WhatsApp asks which contact.
-    window.open(`https://wa.me/${digits}?text=${encodeURIComponent(message(url))}`, '_blank', 'noopener')
+    open(`https://wa.me/${digits}?text=${encodeURIComponent(message(url))}`, '_blank', 'noopener')
   }
 
   const onNativeShare = (url: string) => {
@@ -353,13 +389,24 @@ function ShareActions(props: {
               <Button onClick={() => onCopy(shareUrl(s.token))}>
                 {copied === shareUrl(s.token) ? 'Copied ✓' : 'Copy'}
               </Button>
-              <Button tone="danger" onClick={() => run(`revoke:${s.id}`, revokeShare(doc.id, s.id))}>
+              <Button tone="danger" onClick={() => setConfirm({ id: s.id })}>
                 {busy === `revoke:${s.id}` ? 'Revoking…' : 'Revoke'}
               </Button>
             </div>
           ))}
         </div>
       )}
+      {confirm !== undefined && (
+        <ConfirmDialog
+          open
+          onClose={() => setConfirm(undefined)}
+          onConfirm={() => run(`revoke:${confirm.id}`, revokeShare(doc.id, confirm.id))}
+          title="Revoke link"
+          body="Revoke this share link? Anyone with it will lose access immediately."
+          confirmLabel="Revoke"
+          tone="danger"
+        />
+      )}
     </section>
   )
 }