feat: implement My Courses page with a new CourseCard component and certificate download functionality, along with new Thai locale strings.

Frontend-Learner/components/course/CourseCard.vue

@@ -67,12 +67,7 @@ const displayDescription = computed(() => getLocalizedText(props.description))
       <!-- Overlays -->
       <div class="absolute inset-0 bg-gradient-to-t from-slate-900/40 to-transparent"></div>
       
-      <!-- Category Badge -->
-      <div class="absolute top-4 left-4">
-        <span class="px-3 py-1 bg-white/90 dark:bg-slate-900/90 backdrop-blur-sm text-[10px] font-black uppercase tracking-widest rounded-lg shadow-sm text-slate-800 dark:text-slate-200">
-          {{ category }}
-        </span>
-      </div>
+
 
       <!-- Completed Badge -->
       <div v-if="completed" class="absolute inset-0 bg-emerald-900/40 backdrop-blur-[2px] flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity duration-300">
@@ -117,30 +112,43 @@ const displayDescription = computed(() => getLocalizedText(props.description))
         </div>
 
         <!-- Action Buttons -->
+        <!-- View Details (Secondary Action) -->
         <q-btn
           v-if="showViewDetails && !completed && !progress"
-          unelevated
+          flat
           rounded
-          class="w-full font-bold shadow-blue-200 dark:shadow-none bg-blue-600 text-white"
+          class="w-full font-bold text-blue-600 bg-blue-50 hover:bg-blue-100 dark:bg-blue-900/20 dark:text-blue-400 dark:hover:bg-blue-900/30"
           :label="$t('menu.viewDetails')"
           :to="`/course/${id}`"
         />
 
+        <!-- Continue Learning (Primary Action) -->
         <q-btn
-          v-if="showContinue || (progress && !completed)"
+          v-if="showContinue || (progress && !completed) || (progress === 0 && !completed)"
           unelevated
           rounded
-          class="w-full font-bold bg-slate-900 dark:bg-white text-white dark:text-slate-900"
-          :label="$t('course.continueLearning')"
+          class="w-full font-bold bg-blue-600 text-white hover:bg-blue-700 shadow-md shadow-blue-500/20 transition-all hover:scale-[1.02]"
+          :label="(!progress || progress === 0) ? $t('course.startLearning') : $t('course.continueLearning')"
           :to="`/classroom/learning?course_id=${id}`"
         />
 
         <div v-if="completed" class="space-y-2">
+            <!-- Study Again -->
+            <q-btn
+              v-if="showStudyAgain"
+              flat
+              rounded
+              class="w-full font-bold text-slate-600 hover:text-blue-600 dark:text-slate-400 dark:hover:text-blue-400"
+              :label="$t('course.studyAgain')"
+              :to="`/classroom/learning?course_id=${id}`"
+            />
+            
+            <!-- Download Certificate -->
             <q-btn
               v-if="showCertificate"
-              outline
+              unelevated
               rounded
-              class="w-full font-bold text-emerald-600 border-emerald-200 dark:text-emerald-400 dark:border-emerald-900"
+              class="w-full font-bold bg-emerald-50 text-emerald-700 hover:bg-emerald-100 dark:bg-emerald-900/20 dark:text-emerald-400 dark:hover:bg-emerald-900/30 border border-emerald-100 dark:border-emerald-800/50"
               :label="$t('course.downloadCertificate')"
               @click="emit('viewCertificate')"
             />

Frontend-Learner/i18n/locales/th.json

@@ -36,6 +36,7 @@
     "certificate": "ใบประกาศ",
     "available": "มี",
     "continueLearning": "เรียนต่อทันที",
+    "startLearning": "เริ่มเรียนทันที",
     "studyAgain": "ทบทวนบทเรียน",
     "downloadCertificate": "ดาวน์โหลดประกาศนียบัตร",
     "completed": "เรียนจบเรียบร้อย"

Frontend-Learner/pages/dashboard/my-courses.vue

@@ -168,6 +168,7 @@ const validCourseId = computed(() => {
           :progress="course.progress"
           :image="course.thumbnail_url"
           show-continue
+          :show-view-details="false"
         />
         <!-- Completed Course Card -->
         <CourseCard 
@@ -179,6 +180,7 @@ const validCourseId = computed(() => {
           :completed="true"
           show-certificate
           show-study-again
+          :show-view-details="false"
           :loading="downloadingCourseId === course.id"
           @view-certificate="downloadCertificate(course)"
         />