feat: SwipeableView 스와이프 탭 전환 컴포넌트

src/components/SwipeableView.css

@@ -0,0 +1,79 @@
+/* SwipeableView — swipeable tab container */
+
+.swipeable-view {
+  overflow: hidden;
+  position: relative;
+  width: 100%;
+}
+
+/* Tab bar */
+.swipeable-view__tabs {
+  display: flex;
+  gap: 4px;
+  padding: 4px;
+  background: var(--surface);
+  border-radius: var(--radius-md);
+  border: 1px solid var(--border-line);
+  overflow-x: auto;
+  scrollbar-width: none;
+  -ms-overflow-style: none;
+  margin-bottom: 8px;
+}
+
+.swipeable-view__tabs::-webkit-scrollbar {
+  display: none;
+}
+
+/* Individual tab button */
+.swipeable-view__tab {
+  flex: 1;
+  min-width: fit-content;
+  padding: 8px 16px;
+  background: none;
+  border: none;
+  color: var(--text-dim);
+  font-family: var(--font-body);
+  font-size: 13px;
+  font-weight: 500;
+  border-radius: calc(var(--radius-md) - 2px);
+  cursor: pointer;
+  white-space: nowrap;
+  transition: color 0.18s var(--ease-out), background 0.18s var(--ease-out);
+  -webkit-tap-highlight-color: transparent;
+  outline: none;
+}
+
+.swipeable-view__tab.is-active {
+  background: var(--surface-raised);
+  color: var(--neon-cyan);
+}
+
+/* Sliding track */
+.swipeable-view__track {
+  display: flex;
+  width: 100%;
+  transition: transform 0.3s var(--ease-out);
+  will-change: transform;
+}
+
+.swipeable-view__track.is-swiping {
+  transition: none;
+}
+
+/* Each panel */
+.swipeable-view__panel {
+  flex: 0 0 100%;
+  min-width: 0;
+  overflow-y: auto;
+}
+
+/* Reduced motion */
+@media (prefers-reduced-motion: reduce) {
+  .swipeable-view__track {
+    transition: none;
+  }
+
+  .swipeable-view__tab {
+    transition: none;
+  }
+}