댓글 더보기와 컨트롤 정리

frontend/src/views/CommentInboxView.vue

@@ -130,11 +130,12 @@ watch(unreadOnly, loadInbox)
     </section>
 
     <section class="commentInboxToolbar">
-      <label class="commentInboxToolbar__toggle">
+      <label class="toggleSwitch commentInboxToolbar__toggle">
         <input v-model="unreadOnly" type="checkbox" />
-        <span>안 읽은 댓글만 보기</span>
+        <span class="toggleSwitch__label">안 읽은 댓글만 보기</span>
+        <span class="toggleSwitch__track"><span class="toggleSwitch__thumb"></span></span>
       </label>
-      <button class="btn btn--ghost btn--small" type="button" :disabled="!unreadCount || isMarkingAllRead" @click="markAllAsRead">
+      <button class="btn btn--save commentInboxToolbar__action" type="button" :disabled="!unreadCount || isMarkingAllRead" @click="markAllAsRead">
         모두 읽음 처리
       </button>
     </section>
@@ -219,12 +220,11 @@ watch(unreadOnly, loadInbox)
 }
 
 .commentInboxToolbar__toggle {
-  display: inline-flex;
-  align-items: center;
-  gap: 10px;
-  color: var(--theme-text-muted);
-  font-size: 14px;
-  font-weight: 700;
+  min-width: 220px;
+}
+
+.commentInboxToolbar__action {
+  min-width: 148px;
 }
 
 .commentInboxPanel {
@@ -426,6 +426,105 @@ watch(unreadOnly, loadInbox)
   word-break: break-word;
 }
 
+.btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  min-height: 44px;
+  padding: 12px 18px;
+  border-radius: 14px;
+  border: 1px solid var(--theme-border);
+  background: var(--theme-surface-soft);
+  color: var(--theme-text);
+  cursor: pointer;
+  font-size: 15px;
+  font-weight: 700;
+  transition: background 160ms ease;
+}
+
+.btn:hover {
+  background: var(--theme-surface-soft-3);
+}
+
+.btn:disabled {
+  opacity: 0.58;
+  cursor: default;
+}
+
+.btn--save {
+  min-width: 112px;
+  font-weight: 900;
+  background: rgba(96, 165, 250, 0.22);
+  border-color: rgba(96, 165, 250, 0.36);
+}
+
+.btn--save:hover {
+  background: rgba(96, 165, 250, 0.3);
+}
+
+.toggleSwitch {
+  display: inline-flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 10px 12px;
+  border-radius: 14px;
+  border: 1px solid var(--theme-border);
+  background: var(--theme-pill-bg);
+  cursor: pointer;
+  user-select: none;
+}
+
+.toggleSwitch input {
+  position: absolute;
+  opacity: 0;
+  pointer-events: none;
+}
+
+.toggleSwitch__track {
+  position: relative;
+  width: 42px;
+  height: 24px;
+  border-radius: 999px;
+  background: var(--theme-surface-soft-3);
+  border: 1px solid var(--theme-border-strong);
+  transition: background 160ms ease, border-color 160ms ease;
+  flex: 0 0 auto;
+}
+
+.toggleSwitch__thumb {
+  position: absolute;
+  top: 50%;
+  left: 3px;
+  width: 16px;
+  height: 16px;
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.92);
+  transform: translateY(-50%);
+  transition: transform 180ms ease;
+}
+
+:root[data-theme='light'] .toggleSwitch__thumb {
+  background: rgba(15, 23, 42, 0.82);
+}
+
+.toggleSwitch__label {
+  min-width: 0;
+  color: var(--theme-text-muted);
+  font-size: 14px;
+  font-weight: 700;
+}
+
+.toggleSwitch input:checked ~ .toggleSwitch__track {
+  background: rgba(96, 165, 250, 0.34);
+  border-color: rgba(96, 165, 250, 0.46);
+}
+
+.toggleSwitch input:checked ~ .toggleSwitch__track .toggleSwitch__thumb {
+  transform: translate(18px, -50%);
+}
+
 @media (max-width: 860px) {
   .commentInboxToolbar {
     flex-direction: column;