Dashboard: show workout list when no scheduled workout

- 'Välj pass' section with all available workouts
- Compact workout cards with exercise tags
- Click any workout → WorkoutPage
- No more 'Vilodag' - user can always pick a workout

frontend/src/App.css

@@ -1452,3 +1452,53 @@
     font-size: 0.9rem;
   }
 }
+
+/* ============================================
+   WORKOUT LIST (when no today's workout)
+   ============================================ */
+
+.workout-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
+.workout-card.compact {
+  padding: 1rem;
+}
+
+.workout-card.compact .workout-card-header {
+  margin-bottom: 0.5rem;
+}
+
+.workout-card.compact .workout-card-header h3 {
+  font-size: 1.1rem;
+}
+
+.workout-day {
+  font-size: 0.8rem;
+  color: var(--text-muted);
+  background: var(--bg);
+  padding: 0.25rem 0.5rem;
+  border-radius: 4px;
+}
+
+.workout-exercises.compact {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+  margin-bottom: 0;
+}
+
+.exercise-tag {
+  background: var(--bg);
+  padding: 0.25rem 0.5rem;
+  border-radius: 4px;
+  font-size: 0.75rem;
+  color: var(--text-muted);
+}
+
+.exercise-tag.more {
+  background: var(--accent);
+  color: white;
+}