diff --git a/assets/css/frontend.css b/assets/css/frontend.css
index 99a6b5a..e305d00 100644
--- a/assets/css/frontend.css
+++ b/assets/css/frontend.css
@@ -34,47 +34,72 @@
     margin-top: 8px;
 }
 
-.us-my-lessons {
+/*
+ * The upcoming-lessons panel. Every rule here is scoped under #us-booking-app —
+ * the same id-level specificity .us-slot above uses — because these rows sit in
+ * whatever layout the theme provides and carry more content than a calendar
+ * cell. Bare class selectors lost to theme rules on div/span/strong, which
+ * collapsed the flex layout and piled the details on top of the actions.
+ */
+#us-booking-app .us-my-lessons {
     margin-bottom: 24px;
 }
 
-.us-my-lesson {
+#us-booking-app .us-my-lesson {
+    box-sizing: border-box;
+    max-width: 100%;
     border: 1px solid #ddd;
     border-radius: 4px;
     padding: 12px 16px;
     margin-bottom: 8px;
     display: flex;
+    flex-wrap: wrap;
     justify-content: space-between;
     align-items: center;
-    gap: 12px;
+    gap: 8px 12px;
 }
 
-.us-my-lesson-info {
+/*
+ * `min-width: 0` lets the title column shrink below its content width — without
+ * it a long offering title cannot compress and shoves the status pill and
+ * Cancel button out of the row. The flex-basis keeps the details and the
+ * actions on one line while there is room, and wraps them once there is not.
+ */
+#us-booking-app .us-my-lesson-info {
     display: flex;
     flex-direction: column;
     gap: 2px;
+    flex: 1 1 14em;
+    min-width: 0;
 }
 
-.us-my-lesson-title {
+#us-booking-app .us-my-lesson-title,
+#us-booking-app .us-my-lesson-when {
+    overflow-wrap: break-word;
+    word-break: break-word;
+}
+
+#us-booking-app .us-my-lesson-title {
     font-size: 1.05em;
 }
 
-.us-my-lesson-duration {
+#us-booking-app .us-my-lesson-duration {
     font-weight: normal;
     color: #666;
 }
 
-.us-my-lesson-when {
+#us-booking-app .us-my-lesson-when {
     color: #555;
 }
 
-.us-my-lesson-actions {
+#us-booking-app .us-my-lesson-actions {
     display: flex;
-    gap: 12px;
+    flex-wrap: wrap;
+    gap: 8px 12px;
     align-items: center;
 }
 
-.us-show-all-lessons {
+#us-booking-app .us-show-all-lessons {
     background: transparent;
     border: 1px solid #ccc;
     border-radius: 4px;
@@ -82,11 +107,11 @@
     cursor: pointer;
 }
 
-.us-show-all-lessons:hover {
+#us-booking-app .us-show-all-lessons:hover {
     border-color: #888;
 }
 
-.us-cancel-lesson {
+#us-booking-app .us-cancel-lesson {
     background: transparent;
     border: 1px solid #ccc;
     border-radius: 4px;
@@ -95,24 +120,26 @@
     color: #c00;
 }
 
-.us-cancel-lesson:hover {
+#us-booking-app .us-cancel-lesson:hover {
     border-color: #c00;
 }
 
-.us-lesson-status {
+#us-booking-app .us-lesson-status {
+    display: inline-block;
     font-size: 0.85em;
     font-weight: 600;
     padding: 2px 10px;
     border-radius: 10px;
     background: #eee;
+    white-space: nowrap;
 }
 
-.us-lesson-status-confirmed {
+#us-booking-app .us-lesson-status-confirmed {
     background: #e2f5e5;
     color: #1a7d2e;
 }
 
-.us-lesson-status-pending {
+#us-booking-app .us-lesson-status-pending {
     background: #fdf3d7;
     color: #8a6d1a;
 }
@@ -345,6 +372,20 @@
     .us-week-day {
         min-height: 0;
     }
+
+    /*
+     * A lesson row carries a title, a date/time, a status pill and a button —
+     * more than fits one narrow line, so stack the details above the actions
+     * rather than letting them wrap into each other.
+     */
+    #us-booking-app .us-my-lesson {
+        flex-direction: column;
+        align-items: stretch;
+    }
+
+    #us-booking-app .us-my-lesson-info {
+        flex: 0 0 auto;
+    }
 }
 
 /* Shown only in block-editor previews (see BlockPreview). */
diff --git a/assets/js/booking.js b/assets/js/booking.js
index 11261a9..aa51ff7 100644
--- a/assets/js/booking.js
+++ b/assets/js/booking.js
@@ -582,16 +582,19 @@
     function lessonRowHtml(l) {
         const title    = l.offering_title ? escHtml(String(l.offering_title)) : 'Lesson';
         const duration = l.duration_minutes ? ` <span class="us-my-lesson-duration">(${escHtml(String(l.duration_minutes))} min)</span>` : '';
+        // The two columns are divs, not spans: as spans the layout only held up
+        // while the stylesheet's display:flex won, and a theme rule on span
+        // collapsed the row onto itself.
         return `
             <div class="us-my-lesson">
-                <span class="us-my-lesson-info">
+                <div class="us-my-lesson-info">
                     <strong class="us-my-lesson-title">${title}${duration}</strong>
                     <span class="us-my-lesson-when">${escHtml(dayLabel(dayKey(l.start_dt)))} · ${escHtml(timeOf(l.start_dt))}–${escHtml(timeOf(l.end_dt))}</span>
-                </span>
-                <span class="us-my-lesson-actions">
+                </div>
+                <div class="us-my-lesson-actions">
                     <span class="us-lesson-status us-lesson-status-${escHtml(String(l.status))}">${escHtml(lessonStatusLabel(String(l.status)))}</span>
                     <button type="button" class="us-cancel-lesson" data-lesson-id="${l.id}">Cancel</button>
-                </span>
+                </div>
             </div>`;
     }
 
diff --git a/docs/features/lesson-booking.md b/docs/features/lesson-booking.md
index d81797b..af19038 100644
--- a/docs/features/lesson-booking.md
+++ b/docs/features/lesson-booking.md
@@ -154,6 +154,7 @@ instructor may only open their own lessons; the studio **Scheduler** may open an
 - Admin lesson detail presenter: `Unsupervised\Schedular\Booking\LessonDetail` (per-lesson intake answers + policy acceptances), template `templates/admin/lesson-detail.php`
 - REST endpoint: `Unsupervised\Schedular\Booking\BookingEndpoint`
 - Frontend: `Unsupervised\Schedular\Booking\BookingPage`, `Unsupervised\Schedular\Auth\LoginPage`
+- Upcoming-lessons panel: rendered client-side into `#us-my-lessons` by `assets/js/booking.js` (`lessonRowHtml`/`renderMyLessons`), mirrored for the editor by `BlockPreview::upcomingLessons()` — keep the two markup shapes in step.
 
 > **Payment seam:** a priced booking is created with `status = pending` and its
 > payment linked via `payment_id`; the lesson is confirmed when the payment is
@@ -161,6 +162,14 @@ instructor may only open their own lessons; the studio **Scheduler** may open an
 > Unpriced bookings skip the seam entirely and are confirmed at creation.
 > `GET /policies?scope=booking` returns just the booking-gate policies the form
 > must collect.
+>
+> **Frontend CSS scoping:** every rule for the booking page's own markup is
+> written under `#us-booking-app` (`assets/css/frontend.css`). These panels sit
+> inside whatever layout the active theme provides, and bare class selectors lose
+> to theme rules on `div`/`span`/`strong` — which flattens the flex layout and
+> renders the lesson details on top of the actions. The row's two columns are
+> `div`s for the same reason: the layout must not depend on overriding the
+> inline default. New booking-page rules should follow both conventions.
 
 ## Tests
 - `tests/Unit/Booking/BookingRepositoryTest.php`
diff --git a/src/BlockPreview.php b/src/BlockPreview.php
index fec2615..a6682ef 100644
--- a/src/BlockPreview.php
+++ b/src/BlockPreview.php
@@ -86,13 +86,13 @@ class BlockPreview {
 	private static function upcomingLessons(): string {
 		return sprintf(
 			'<div class="us-my-lessons"><h3>%s</h3>'
-			. '<div class="us-my-lesson"><span class="us-my-lesson-info">'
+			. '<div class="us-my-lesson"><div class="us-my-lesson-info">'
 			. '<strong class="us-my-lesson-title">%s <span class="us-my-lesson-duration">(30 min)</span></strong>'
-			. '<span class="us-my-lesson-when">%s</span></span>'
-			. '<span class="us-my-lesson-actions">'
+			. '<span class="us-my-lesson-when">%s</span></div>'
+			. '<div class="us-my-lesson-actions">'
 			. '<span class="us-lesson-status us-lesson-status-confirmed">%s</span>'
 			. '<button type="button" class="us-cancel-lesson" disabled>%s</button>'
-			. '</span></div></div>',
+			. '</div></div></div>',
 			esc_html__( 'Your upcoming lessons', 'unsupervised-schedular' ),
 			esc_html__( 'Piano Lesson', 'unsupervised-schedular' ),
 			esc_html__( 'Monday · 4:00 PM–4:30 PM', 'unsupervised-schedular' ),