diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index 06054c6..f81a4f3 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -4,6 +4,9 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # Permite uploads de até 12MB (limite do backend é 10MB)
+    client_max_body_size 12m;
+
     # Gzip
     gzip on;
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml image/svg+xml;
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 989a3ba..beac79d 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -13,6 +13,11 @@
 
 html { scroll-behavior: smooth; }
 
+html, body {
+  max-width: 100%;
+  overflow-x: hidden;
+}
+
 body {
   margin: 0;
   font-family: system-ui, 'Segoe UI', Roboto, sans-serif;
diff --git a/frontend/src/pages/Alunos.tsx b/frontend/src/pages/Alunos.tsx
index 1752887..777f05a 100644
--- a/frontend/src/pages/Alunos.tsx
+++ b/frontend/src/pages/Alunos.tsx
@@ -75,34 +75,36 @@ export function Alunos() {
 
           {!carregandoAlunos && alunos.length > 0 && (
             <Card className="overflow-hidden p-0">
-              <table className="w-full text-sm">
-                <thead className="border-b border-white/8 bg-white/3">
-                  <tr>
-                    <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Nome</th>
-                    <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">E-mail</th>
-                    <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Matrícula</th>
-                    <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Status</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {alunos.map((aluno) => (
-                    <tr key={aluno.id} className="border-b border-white/6 transition-colors hover:bg-white/3">
-                      <td className="px-4 py-3 font-medium text-white">{aluno.nome}</td>
-                      <td className="px-4 py-3 text-white/55">{aluno.email}</td>
-                      <td className="px-4 py-3 text-white/55">{aluno.matricula ?? '—'}</td>
-                      <td className="px-4 py-3">
-                        <span className={`rounded-full border px-2.5 py-0.5 text-xs font-medium ${
-                          aluno.ativo
-                            ? 'border-[#618C7C]/30 bg-[#618C7C]/15 text-[#7AAA9A]'
-                            : 'border-red-500/30 bg-red-500/15 text-red-300'
-                        }`}>
-                          {aluno.ativo ? 'Ativo' : 'Inativo'}
-                        </span>
-                      </td>
+              <div className="overflow-x-auto">
+                <table className="w-full min-w-[520px] text-sm">
+                  <thead className="border-b border-white/8 bg-white/3">
+                    <tr>
+                      <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Nome</th>
+                      <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">E-mail</th>
+                      <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Matrícula</th>
+                      <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Status</th>
                     </tr>
-                  ))}
-                </tbody>
-              </table>
+                  </thead>
+                  <tbody>
+                    {alunos.map((aluno) => (
+                      <tr key={aluno.id} className="border-b border-white/6 transition-colors hover:bg-white/3">
+                        <td className="px-4 py-3 font-medium text-white">{aluno.nome}</td>
+                        <td className="px-4 py-3 text-white/55">{aluno.email}</td>
+                        <td className="px-4 py-3 text-white/55">{aluno.matricula ?? '—'}</td>
+                        <td className="px-4 py-3">
+                          <span className={`rounded-full border px-2.5 py-0.5 text-xs font-medium ${
+                            aluno.ativo
+                              ? 'border-[#618C7C]/30 bg-[#618C7C]/15 text-[#7AAA9A]'
+                              : 'border-red-500/30 bg-red-500/15 text-red-300'
+                          }`}>
+                            {aluno.ativo ? 'Ativo' : 'Inativo'}
+                          </span>
+                        </td>
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
+              </div>
             </Card>
           )}
         </>
diff --git a/frontend/src/pages/DetalheDocumento.tsx b/frontend/src/pages/DetalheDocumento.tsx
index 741e853..03776bd 100644
--- a/frontend/src/pages/DetalheDocumento.tsx
+++ b/frontend/src/pages/DetalheDocumento.tsx
@@ -140,9 +140,9 @@ export function DetalheDocumento() {
             { label: 'Tamanho',      value: formatBytes(doc.tamanho_arquivo) },
             { label: 'Submetido em', value: formatDate(doc.criado_em) },
           ].map(({ label, value }) => (
-            <div key={label}>
+            <div key={label} className="min-w-0">
               <dt className="text-xs font-medium uppercase tracking-wide text-white/35">{label}</dt>
-              <dd className="mt-1 text-sm text-white">{value}</dd>
+              <dd className="mt-1 break-words text-sm text-white">{value}</dd>
             </div>
           ))}
         </dl>
diff --git a/frontend/src/pages/Documentos.tsx b/frontend/src/pages/Documentos.tsx
index 526954d..ae46004 100644
--- a/frontend/src/pages/Documentos.tsx
+++ b/frontend/src/pages/Documentos.tsx
@@ -84,34 +84,36 @@ export function Documentos() {
 
       {data && data.dados.length > 0 && (
         <Card className="overflow-hidden p-0">
-          <table className="w-full text-sm">
-            <thead className="border-b border-white/8 bg-white/3">
-              <tr>
-                <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Título</th>
-                <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Tipo</th>
-                <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Carga (h)</th>
-                <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Status</th>
-                <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Data</th>
-                <th className="px-4 py-3" />
-              </tr>
-            </thead>
-            <tbody>
-              {data.dados.map((doc) => (
-                <tr key={doc.id} className="border-b border-white/6 transition-colors hover:bg-white/3">
-                  <td className="px-4 py-3 font-medium text-white">{doc.titulo}</td>
-                  <td className="px-4 py-3 text-white/55">{doc.tipo}</td>
-                  <td className="px-4 py-3 text-white/55">{doc.carga_horaria}h</td>
-                  <td className="px-4 py-3"><BadgeStatus status={doc.status} /></td>
-                  <td className="px-4 py-3 text-white/40">{new Date(doc.criado_em.replace(' ', 'T')).toLocaleDateString('pt-BR')}</td>
-                  <td className="px-4 py-3 text-right">
-                    <Link to={`/documentos/${doc.id}`} className="text-sm text-[#618C7C] hover:text-[#7AAA9A] transition-colors">
-                      Ver →
-                    </Link>
-                  </td>
+          <div className="overflow-x-auto">
+            <table className="w-full min-w-[640px] text-sm">
+              <thead className="border-b border-white/8 bg-white/3">
+                <tr>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Título</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Tipo</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Carga (h)</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Status</th>
+                  <th className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wide text-white/40">Data</th>
+                  <th className="px-4 py-3" />
                 </tr>
-              ))}
-            </tbody>
-          </table>
+              </thead>
+              <tbody>
+                {data.dados.map((doc) => (
+                  <tr key={doc.id} className="border-b border-white/6 transition-colors hover:bg-white/3">
+                    <td className="px-4 py-3 font-medium text-white">{doc.titulo}</td>
+                    <td className="px-4 py-3 text-white/55">{doc.tipo}</td>
+                    <td className="px-4 py-3 text-white/55">{doc.carga_horaria}h</td>
+                    <td className="px-4 py-3"><BadgeStatus status={doc.status} /></td>
+                    <td className="px-4 py-3 text-white/40">{new Date(doc.criado_em.replace(' ', 'T')).toLocaleDateString('pt-BR')}</td>
+                    <td className="px-4 py-3 text-right">
+                      <Link to={`/documentos/${doc.id}`} className="text-sm text-[#618C7C] hover:text-[#7AAA9A] transition-colors">
+                        Ver →
+                      </Link>
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
         </Card>
       )}
 
diff --git a/infra/nginx/default.conf.template b/infra/nginx/default.conf.template
index 675de5e..43bbda5 100644
--- a/infra/nginx/default.conf.template
+++ b/infra/nginx/default.conf.template
@@ -31,6 +31,9 @@ server {
     # HSTS — força HTTPS por 2 anos
     add_header Strict-Transport-Security "max-age=63072000" always;
 
+    # Permite uploads de até 12MB (limite do backend é 10MB)
+    client_max_body_size 12m;
+
     location / {
         proxy_pass         http://frontend;
         proxy_http_version 1.1;