diff --git a/src/JobsMedical.Web/Pages/Jobs/Details.cshtml b/src/JobsMedical.Web/Pages/Jobs/Details.cshtml
index 6dadbcc..74b3a67 100644
--- a/src/JobsMedical.Web/Pages/Jobs/Details.cshtml
+++ b/src/JobsMedical.Web/Pages/Jobs/Details.cshtml
@@ -30,7 +30,7 @@
     </div>
 </div>
 
-<div class="container section">
+<div class="container section has-action-bar">
     <div class="detail-grid">
         <div>
             @if (Model.ShowContact)
@@ -77,10 +77,12 @@
             <div class="card card-pad">
                 <div class="pay" style="font-size:19px; margin-bottom:6px; color:var(--primary-dark); font-weight:800;">@salary</div>
                 <p class="muted" style="font-size:13px; margin-top:0;">@empLabel</p>
-                <form method="post">
-                    <button type="submit" asp-page-handler="Interest" asp-route-id="@j.Id"
-                            class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده راه ارتباطی</button>
-                </form>
+                <div class="aside-apply">
+                    <form method="post">
+                        <button type="submit" asp-page-handler="Interest" asp-route-id="@j.Id"
+                                class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده راه ارتباطی</button>
+                    </form>
+                </div>
                 <div style="display:flex; gap:8px; margin-top:8px;">
                     <form method="post" style="flex:1;">
                         <button type="submit" asp-page-handler="Save" asp-route-id="@j.Id" class="btn btn-outline btn-block">♡ ذخیره</button>
@@ -147,6 +149,30 @@
     </div>
 </div>
 
+@* Sticky bottom action bar — mobile only. *@
+<div class="mobile-action-bar">
+    @if (Model.ShowContact)
+    {
+        @if (!string.IsNullOrEmpty(f.Phone))
+        {
+            <a class="btn btn-accent btn-lg cta-main" href="tel:@f.Phone">📞 تماس با مرکز</a>
+        }
+        else
+        {
+            <span class="cta-main center muted" style="align-self:center;">اطلاعات تماس در بالای صفحه</span>
+        }
+    }
+    else
+    {
+        <form method="post" class="cta-main">
+            <button type="submit" asp-page-handler="Interest" asp-route-id="@j.Id" class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده تماس</button>
+        </form>
+        <form method="post">
+            <button type="submit" asp-page-handler="Save" asp-route-id="@j.Id" class="btn btn-outline btn-lg" aria-label="ذخیره" title="ذخیره">♡</button>
+        </form>
+    }
+</div>
+
 @if (!string.IsNullOrEmpty(Model.MapKey) && Model.Job?.Facility?.Lat is not null)
 {
     <partial name="_NeshanMap" model="Model.MapKey" />
diff --git a/src/JobsMedical.Web/Pages/Shifts/Details.cshtml b/src/JobsMedical.Web/Pages/Shifts/Details.cshtml
index e81efc0..8369da2 100644
--- a/src/JobsMedical.Web/Pages/Shifts/Details.cshtml
+++ b/src/JobsMedical.Web/Pages/Shifts/Details.cshtml
@@ -28,7 +28,7 @@
     </div>
 </div>
 
-<div class="container section">
+<div class="container section has-action-bar">
     <div class="detail-grid">
         <div>
             @if (Model.ShowContact)
@@ -93,11 +93,13 @@
                 {
                     <div class="alert alert-success" style="margin-bottom:12px;">✓ این فرصت ذخیره شد و در پیشنهادهای شما لحاظ می‌شود.</div>
                 }
-                <form method="post">
-                    <button type="submit" asp-page-handler="Interest" asp-route-id="@s.Id"
-                            class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده راه ارتباطی</button>
-                </form>
-                <p class="muted center" style="font-size:12px; margin:8px 0;">با اعلام تمایل، اطلاعات تماس مرکز نمایش داده می‌شود.</p>
+                <div class="aside-apply">
+                    <form method="post">
+                        <button type="submit" asp-page-handler="Interest" asp-route-id="@s.Id"
+                                class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده راه ارتباطی</button>
+                    </form>
+                    <p class="muted center" style="font-size:12px; margin:8px 0;">با اعلام تمایل، اطلاعات تماس مرکز نمایش داده می‌شود.</p>
+                </div>
                 <div style="display:flex; gap:8px;">
                     <form method="post" style="flex:1;">
                         <button type="submit" asp-page-handler="Save" asp-route-id="@s.Id"
@@ -167,6 +169,30 @@
     </div>
 </div>
 
+@* Sticky bottom action bar — mobile only. Always-reachable primary action (native-app feel). *@
+<div class="mobile-action-bar">
+    @if (Model.ShowContact)
+    {
+        @if (!string.IsNullOrEmpty(f.Phone))
+        {
+            <a class="btn btn-accent btn-lg cta-main" href="tel:@f.Phone">📞 تماس با مرکز</a>
+        }
+        else
+        {
+            <span class="cta-main center muted" style="align-self:center;">اطلاعات تماس در بالای صفحه</span>
+        }
+    }
+    else
+    {
+        <form method="post" class="cta-main">
+            <button type="submit" asp-page-handler="Interest" asp-route-id="@s.Id" class="btn btn-accent btn-block btn-lg">اعلام تمایل و مشاهده تماس</button>
+        </form>
+        <form method="post">
+            <button type="submit" asp-page-handler="Save" asp-route-id="@s.Id" class="btn btn-outline btn-lg" aria-label="ذخیره" title="ذخیره">♡</button>
+        </form>
+    }
+</div>
+
 @if (!string.IsNullOrEmpty(Model.MapKey) && Model.Shift?.Facility?.Lat is not null)
 {
     <partial name="_NeshanMap" model="Model.MapKey" />
diff --git a/src/JobsMedical.Web/wwwroot/css/site.css b/src/JobsMedical.Web/wwwroot/css/site.css
index 47fc642..bbcae90 100644
--- a/src/JobsMedical.Web/wwwroot/css/site.css
+++ b/src/JobsMedical.Web/wwwroot/css/site.css
@@ -256,6 +256,25 @@ label { font-size: 13px; }
 .tour-count { font-size: 12px; color: var(--muted); }
 .tour-btns { display: flex; gap: 6px; }
 
+/* ---------- Mobile sticky action bar (detail pages feel like a native app) ---------- */
+.mobile-action-bar { display: none; }
+@media (max-width: 860px) {
+  .mobile-action-bar {
+    display: flex; gap: 8px; align-items: stretch;
+    position: fixed; inset-inline: 0; bottom: 0; z-index: 95;
+    padding: 10px 14px; padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
+    background: var(--surface); border-top: 1px solid var(--line);
+    box-shadow: 0 -8px 24px rgba(0,0,0,.10);
+  }
+  .mobile-action-bar form { margin: 0; }
+  .mobile-action-bar .cta-main { flex: 1; }
+  .mobile-action-bar .btn { margin: 0; }
+  /* breathing room so the fixed bar never covers page content */
+  .has-action-bar { padding-bottom: 92px; }
+  /* the in-aside primary CTA is redundant on mobile — the sticky bar replaces it */
+  .aside-apply { display: none; }
+}
+
 /* ---------- Admin settings: sidebar tabs ---------- */
 .settings-layout { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: start; }
 .settings-tabs {