Redesign SNS quick login buttons

Show Naver/Kakao/Google as circular icon buttons with a 'SNS 간편로그인' label, and toggle the group based on configured connections.

Co-authored-by: Cursor <cursoragent@cursor.com>

index.html

@@ -71,40 +71,18 @@
             <span class="user-dot" aria-hidden="true"></span>
             <span class="user-text" id="userText">로그인 필요</span>
           </div>
-          <button class="btn icon-only provider-google" id="btnGoogle" type="button" hidden aria-label="구글로 로그인">
+          <div class="sns-login" id="snsLogin" hidden>
-            <span class="sr-only">구글</span>
+            <span class="sns-label">SNS 간편로그인</span>
-            <svg viewBox="0 0 24 24" aria-hidden="true">
+            <button class="sns-btn sns-naver" id="btnNaver" type="button" hidden aria-label="네이버로 로그인">
-              <path
+              <span class="sns-letter">N</span>
-                fill="#EA4335"
-                d="M12 10.2v3.9h5.45c-.24 1.26-1.44 3.7-5.45 3.7-3.28 0-5.96-2.72-5.96-6.1S8.72 5.6 12 5.6c1.87 0 3.12.8 3.84 1.5l2.62-2.52C16.86 3.08 14.7 2 12 2 6.48 2 2 6.48 2 11.7S6.48 21.4 12 21.4c6.92 0 9.6-4.86 9.6-7.38 0-.5-.06-.88-.13-1.26H12z"
-              />
-              <path
-                fill="#34A853"
-                d="M3.15 7.55l3.21 2.36C7.2 7.7 9.38 5.6 12 5.6c1.87 0 3.12.8 3.84 1.5l2.62-2.52C16.86 3.08 14.7 2 12 2 8.16 2 4.84 4.1 3.15 7.55z"
-                opacity=".0"
-              />
-            </svg>
             </button>
-          <button class="btn icon-only provider-kakao" id="btnKakao" type="button" hidden aria-label="카카오로 로그인">
+            <button class="sns-btn sns-kakao" id="btnKakao" type="button" hidden aria-label="카카오로 로그인">
-            <span class="sr-only">카카오</span>
+              <span class="sns-kakao-bubble" aria-hidden="true"></span>
-            <svg viewBox="0 0 24 24" aria-hidden="true">
-              <path
-                fill="#FAE100"
-                d="M12 3C6.76 3 2.5 6.23 2.5 10.22c0 2.58 1.78 4.85 4.45 6.12l-1.01 3.69a.7.7 0 0 0 1.05.77l4.3-2.85c.55.05 1.11.08 1.66.08 5.24 0 9.5-3.23 9.5-7.22C21.5 6.23 17.24 3 12 3z"
-              />
-              <path
-                fill="#000"
-                d="M12 6.4c-3.7 0-6.7 2.2-6.7 4.9S8.3 16.2 12 16.2s6.7-2.2 6.7-4.9-3-4.9-6.7-4.9z"
-                opacity=".08"
-              />
-            </svg>
             </button>
-          <button class="btn icon-only provider-naver" id="btnNaver" type="button" hidden aria-label="네이버로 로그인">
+            <button class="sns-btn sns-google" id="btnGoogle" type="button" hidden aria-label="구글로 로그인">
-            <span class="sr-only">네이버</span>
+              <span class="sns-google-g">G</span>
-            <svg viewBox="0 0 24 24" aria-hidden="true">
-              <path fill="#03C75A" d="M6 4h5.1l6.9 10.1V4H18v16h-5.1L6 9.9V20H6V4z" />
-            </svg>
             </button>
+          </div>
           <button class="btn" id="btnLogin" type="button">로그인</button>
           <button class="btn" id="btnLogout" type="button" hidden>로그아웃</button>
         </div>

script.js

@@ -22,6 +22,7 @@
     userText: document.getElementById("userText"),
     btnLogin: document.getElementById("btnLogin"),
     btnLogout: document.getElementById("btnLogout"),
+    snsLogin: document.getElementById("snsLogin"),
     btnGoogle: document.getElementById("btnGoogle"),
     btnKakao: document.getElementById("btnKakao"),
     btnNaver: document.getElementById("btnNaver"),
@@ -463,6 +464,7 @@
     if (el.btnGoogle) el.btnGoogle.hidden = !g;
     if (el.btnKakao) el.btnKakao.hidden = !k;
     if (el.btnNaver) el.btnNaver.hidden = !n;
+    if (el.snsLogin) el.snsLogin.hidden = !(g || k || n);
   }
 
   function applyManageLock() {

styles.css

@@ -180,6 +180,101 @@ html[data-theme="light"] .topbar {
   border-color: rgba(3, 199, 90, 0.28);
 }
 
+.sns-login {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 10px;
+  border-radius: 14px;
+  border: 1px solid var(--border);
+  background: rgba(255, 255, 255, 0.03);
+}
+
+.sns-label {
+  font-size: 12px;
+  color: var(--muted2);
+  margin-right: 4px;
+  white-space: nowrap;
+}
+
+.sns-btn {
+  width: 42px;
+  height: 42px;
+  border-radius: 999px;
+  border: 1px solid rgba(0, 0, 0, 0.08);
+  display: grid;
+  place-items: center;
+  cursor: pointer;
+  padding: 0;
+  user-select: none;
+  transition: transform 120ms ease, filter 120ms ease;
+}
+
+.sns-btn:hover {
+  transform: translateY(-1px);
+  filter: brightness(1.02);
+}
+
+.sns-btn:active {
+  transform: translateY(0);
+}
+
+.sns-btn:focus-visible {
+  outline: none;
+  box-shadow: var(--focus);
+}
+
+.sns-naver {
+  background: #03c75a;
+  border-color: rgba(3, 199, 90, 0.35);
+}
+
+.sns-letter {
+  font-weight: 900;
+  font-size: 18px;
+  color: #fff;
+  letter-spacing: -0.02em;
+}
+
+.sns-kakao {
+  background: #fae100;
+  border-color: rgba(250, 225, 0, 0.5);
+}
+
+.sns-kakao-bubble {
+  width: 16px;
+  height: 13px;
+  background: rgba(0, 0, 0, 0.82);
+  border-radius: 6px;
+  position: relative;
+}
+
+.sns-kakao-bubble::after {
+  content: "";
+  position: absolute;
+  bottom: -4px;
+  left: 4px;
+  width: 0;
+  height: 0;
+  border: 4px solid transparent;
+  border-top-color: rgba(0, 0, 0, 0.82);
+}
+
+.sns-google {
+  background: #ffffff;
+  border-color: rgba(66, 133, 244, 0.35);
+}
+
+.sns-google-g {
+  font-weight: 900;
+  font-size: 18px;
+  background: conic-gradient(from 210deg, #ea4335 0 25%, #fbbc05 25% 50%, #34a853 50% 75%, #4285f4 75% 100%);
+  -webkit-background-clip: text;
+  background-clip: text;
+  color: transparent;
+  letter-spacing: -0.04em;
+}
+
 .user {
   display: inline-flex;
   align-items: center;