diff --git a/frontend/src/assets/main.css b/frontend/src/assets/main.css
index bdb327e..a20082e 100644
--- a/frontend/src/assets/main.css
+++ b/frontend/src/assets/main.css
@@ -317,6 +317,72 @@ input[type="datetime-local"].form-field.glass::-webkit-datetime-edit-fields-wrap
   to { --glow-angle: 360deg; }
 }
 
+/* ── Fixed Bottom Bar Components ── */
+
+/* CTA wrapper (text button, e.g. "I'm attending!", "Post an update") */
+.bar-cta {
+  flex: 1;
+  min-width: 0;
+  border-radius: var(--radius-button);
+  transition: transform 0.1s ease;
+}
+
+.bar-cta:hover {
+  transform: scale(1.02);
+}
+
+.bar-cta:active {
+  transform: scale(0.98);
+}
+
+.bar-cta-btn {
+  display: block;
+  width: 100%;
+  padding: var(--spacing-md) var(--spacing-lg);
+  border-radius: calc(var(--radius-button) - 2px);
+  font-family: inherit;
+  font-size: 1rem;
+  font-weight: 700;
+  color: var(--color-text-on-gradient);
+  text-align: center;
+  border: none;
+  cursor: pointer;
+}
+
+
+/* Icon wrapper (e.g. calendar, bookmark buttons) */
+.bar-icon {
+  flex-shrink: 0;
+  border-radius: var(--radius-button);
+  transition: transform 0.1s ease;
+}
+
+.bar-icon:hover {
+  transform: scale(1.02);
+}
+
+.bar-icon:active {
+  transform: scale(0.98);
+}
+
+.bar-icon-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+  height: 100%;
+  padding: var(--spacing-md);
+  border-radius: calc(var(--radius-button) - 2px);
+  border: none;
+  cursor: pointer;
+  color: var(--color-text-on-gradient);
+  line-height: 0;
+}
+
+.bar-icon-btn svg {
+  display: block;
+}
+
 /* Utility */
 .text-center {
   text-align: center;
diff --git a/frontend/src/components/RsvpBar.vue b/frontend/src/components/RsvpBar.vue
index 71e2101..acd3eeb 100644
--- a/frontend/src/components/RsvpBar.vue
+++ b/frontend/src/components/RsvpBar.vue
@@ -3,20 +3,30 @@
     <div class="rsvp-bar__inner">
       <!-- Status state: already RSVPed -->
       <div v-if="hasRsvp" class="rsvp-bar__status-wrapper">
-        <div
-          class="rsvp-bar__status"
-          role="button"
-          tabindex="0"
-          :aria-expanded="expanded"
-          aria-label="You're attending. Tap to show cancel option."
-          @click="expanded = !expanded"
-          @keydown.enter.prevent="expanded = !expanded"
-          @keydown.space.prevent="expanded = !expanded"
-          @keydown.escape="expanded = false"
-        >
-          <span class="rsvp-bar__check" aria-hidden="true">✓</span>
-          <span class="rsvp-bar__text">You're attending!</span>
-          <span class="rsvp-bar__chevron" :class="{ 'rsvp-bar__chevron--open': expanded }" aria-hidden="true">›</span>
+        <div class="rsvp-bar__status-row">
+          <div
+            class="rsvp-bar__status"
+            role="button"
+            tabindex="0"
+            :aria-expanded="expanded"
+            aria-label="You're attending. Tap to show cancel option."
+            @click="expanded = !expanded"
+            @keydown.enter.prevent="expanded = !expanded"
+            @keydown.space.prevent="expanded = !expanded"
+            @keydown.escape="expanded = false"
+          >
+            <span class="rsvp-bar__check" aria-hidden="true">✓</span>
+            <span class="rsvp-bar__text">You're attending!</span>
+            <span class="rsvp-bar__chevron" :class="{ 'rsvp-bar__chevron--open': expanded }" aria-hidden="true">›</span>
+          </div>
+          <button
+            class="rsvp-bar__calendar-glass"
+            type="button"
+            aria-label="Add to calendar"
+            @click="$emit('calendar')"
+          >
+            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="3" y="4" width="18" height="18" rx="2"/><line x1="16" y1="2" x2="16" y2="6"/><line x1="8" y1="2" x2="8" y2="6"/><line x1="3" y1="10" x2="21" y2="10"/></svg>
+          </button>
         </div>
         <Transition name="rsvp-bar-cancel">
           <button
@@ -32,14 +42,9 @@
 
       <!-- CTA state: no RSVP yet -->
       <div v-else class="rsvp-bar__row">
-        <div class="rsvp-bar__cta glow-border glow-border--animated">
-          <button class="rsvp-bar__cta-inner glass-inner" type="button" @click="$emit('open')">
-            I'm attending!
-          </button>
-        </div>
-        <div class="rsvp-bar__bookmark glow-border glow-border--animated">
+        <div class="bar-icon glow-border glow-border--animated">
           <button
-            class="rsvp-bar__bookmark-inner glass-inner"
+            class="bar-icon-btn glass-inner"
             type="button"
             :aria-label="bookmarked ? 'Stop watching this event' : 'Watch this event'"
             @click="$emit('bookmark')"
@@ -47,6 +52,21 @@
             <svg width="20" height="20" viewBox="0 0 24 24" :fill="bookmarked ? 'currentColor' : 'none'" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"/></svg>
           </button>
         </div>
+        <div class="bar-cta glow-border glow-border--animated">
+          <button class="bar-cta-btn glass-inner" type="button" @click="$emit('open')">
+            I'm attending!
+          </button>
+        </div>
+        <div class="bar-icon glow-border glow-border--animated">
+          <button
+            class="bar-icon-btn glass-inner"
+            type="button"
+            aria-label="Add to calendar"
+            @click="$emit('calendar')"
+          >
+            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="3" y="4" width="18" height="18" rx="2"/><line x1="16" y1="2" x2="16" y2="6"/><line x1="8" y1="2" x2="8" y2="6"/><line x1="3" y1="10" x2="21" y2="10"/></svg>
+          </button>
+        </div>
       </div>
     </div>
   </div>
@@ -64,6 +84,7 @@ defineEmits<{
   open: []
   cancel: []
   bookmark: []
+  calendar: []
 }>()
 
 const expanded = ref(false)
@@ -111,34 +132,6 @@ watch(expanded, (isExpanded) => {
   gap: var(--spacing-sm);
 }
 
-.rsvp-bar__cta {
-  flex: 1;
-  min-width: 0;
-  border-radius: var(--radius-button);
-  transition: transform 0.1s ease;
-}
-
-.rsvp-bar__cta:hover {
-  transform: scale(1.02);
-}
-
-.rsvp-bar__cta:active {
-  transform: scale(0.98);
-}
-
-.rsvp-bar__cta-inner {
-  display: block;
-  width: 100%;
-  padding: var(--spacing-md) var(--spacing-lg);
-  border-radius: calc(var(--radius-button) - 2px);
-  font-family: inherit;
-  font-size: 1rem;
-  font-weight: 700;
-  color: var(--color-text-on-gradient);
-  text-align: center;
-  border: none;
-  cursor: pointer;
-}
 
 .rsvp-bar__status-wrapper {
   display: flex;
@@ -146,7 +139,14 @@ watch(expanded, (isExpanded) => {
   gap: var(--spacing-xs);
 }
 
+.rsvp-bar__status-row {
+  display: flex;
+  gap: var(--spacing-sm);
+}
+
 .rsvp-bar__status {
+  flex: 1;
+  min-width: 0;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -225,35 +225,35 @@ watch(expanded, (isExpanded) => {
   transform: translateY(-4px);
 }
 
-.rsvp-bar__bookmark {
+
+/* Calendar button — glassmorphic variant (post-RSVP status row) */
+.rsvp-bar__calendar-glass {
   flex-shrink: 0;
-  border-radius: var(--radius-button);
-  transition: transform 0.1s ease;
-}
-
-.rsvp-bar__bookmark:hover {
-  transform: scale(1.02);
-}
-
-.rsvp-bar__bookmark:active {
-  transform: scale(0.98);
-}
-
-.rsvp-bar__bookmark-inner {
   display: flex;
   align-items: center;
   justify-content: center;
-  width: 100%;
-  height: 100%;
   padding: var(--spacing-md);
-  border-radius: calc(var(--radius-button) - 2px);
-  border: none;
-  cursor: pointer;
+  background: linear-gradient(135deg, var(--color-glass-strong) 0%, var(--color-glass-subtle) 100%);
+  border: 1px solid var(--color-glass-border);
+  backdrop-filter: blur(16px);
+  border-radius: var(--radius-card);
+  box-shadow: var(--shadow-card);
   color: var(--color-text-on-gradient);
+  cursor: pointer;
   line-height: 0;
+  transition: transform 0.1s ease, background 0.15s ease;
 }
 
-.rsvp-bar__bookmark-inner svg {
+.rsvp-bar__calendar-glass:hover {
+  transform: scale(1.02);
+  background: linear-gradient(135deg, var(--color-glass-hover) 0%, var(--color-glass-strong) 100%);
+}
+
+.rsvp-bar__calendar-glass:active {
+  transform: scale(0.98);
+}
+
+.rsvp-bar__calendar-glass svg {
   display: block;
 }
 
diff --git a/frontend/src/components/__tests__/RsvpBar.spec.ts b/frontend/src/components/__tests__/RsvpBar.spec.ts
index 34bb30b..3333ba6 100644
--- a/frontend/src/components/__tests__/RsvpBar.spec.ts
+++ b/frontend/src/components/__tests__/RsvpBar.spec.ts
@@ -5,8 +5,8 @@ import RsvpBar from '../RsvpBar.vue'
 describe('RsvpBar', () => {
   it('renders CTA button when hasRsvp is false', () => {
     const wrapper = mount(RsvpBar)
-    expect(wrapper.find('.rsvp-bar__cta').exists()).toBe(true)
-    expect(wrapper.find('.rsvp-bar__cta-inner').text()).toBe("I'm attending!")
+    expect(wrapper.find('.bar-cta').exists()).toBe(true)
+    expect(wrapper.find('.bar-cta-btn').text()).toBe("I'm attending!")
     expect(wrapper.find('.rsvp-bar__status').exists()).toBe(false)
   })
 
@@ -14,17 +14,17 @@ describe('RsvpBar', () => {
     const wrapper = mount(RsvpBar, { props: { hasRsvp: true } })
     expect(wrapper.find('.rsvp-bar__status').exists()).toBe(true)
     expect(wrapper.find('.rsvp-bar__text').text()).toBe("You're attending!")
-    expect(wrapper.find('.rsvp-bar__cta').exists()).toBe(false)
+    expect(wrapper.find('.bar-cta').exists()).toBe(false)
   })
 
   it('emits open when CTA button is clicked', async () => {
     const wrapper = mount(RsvpBar)
-    await wrapper.find('.rsvp-bar__cta-inner').trigger('click')
+    await wrapper.find('.bar-cta-btn').trigger('click')
     expect(wrapper.emitted('open')).toHaveLength(1)
   })
 
   it('does not render CTA button when hasRsvp is true', () => {
     const wrapper = mount(RsvpBar, { props: { hasRsvp: true } })
-    expect(wrapper.find('button').exists()).toBe(false)
+    expect(wrapper.find('.bar-cta-btn').exists()).toBe(false)
   })
 })