:root {
            --primary-blue: #3182f6;
            --bg-color: #f2f4f6;
            --card-bg: #ffffff;
            --text-main: #191f28;
            --text-sub: #8b95a1;
            --input-bg: #f9fafb;
            --border-color: #e5e8eb;
            --chat-bg: #f9fafb;
            --heart-color: #f04452;
            --sheet-bg: rgba(255, 255, 255, 0.92);
            --pill-bg: rgba(255, 255, 255, 0.95);
            --banner-bg: #e8f3ff;
            --banner-text: #3182f6;
            --tooltip-bg: #191f28;
            --tooltip-text: #ffffff;
        }
        
        /* 다크 모드(Dark Mode) 테마 정의 */
        body.dark {
            --bg-color: #101012;
            --card-bg: #1c1c1e;
            --text-main: #f5f5f7;
            --text-sub: #8e8e93;
            --input-bg: #2c2c2e;
            --border-color: #2c2c2e;
            --chat-bg: #121214;
            --sheet-bg: rgba(28, 28, 30, 0.92);
            --pill-bg: rgba(44, 44, 46, 0.95);
            --banner-bg: #1e293b;
            --banner-text: #529eff;
            --tooltip-bg: #e5e8eb;
            --tooltip-text: #191f28;
        }
        
        * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        body { font-family: 'Pretendard', sans-serif; background-color: var(--bg-color); color: var(--text-main); margin: 0; padding: 0; display: flex; justify-content: center; overflow: hidden; transition: background-color 0.3s ease, color 0.3s ease; }
        
        .app-wrapper { width: 100%; max-width: 480px; height: 100vh; background-color: var(--bg-color); position: relative; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 0 32px rgba(0,0,0,0.05); transition: background-color 0.3s ease; }
        
        /* 하단 탭 바에 가려지지 않도록 각 페이지 하단 여백 추가 */
        .page { display: none; flex: 1; flex-direction: column; animation: fadeIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); overflow-y: auto; padding-bottom: 64px; }
        .page.active { display: flex; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

        .btn-primary { background-color: var(--primary-blue); color: white; border: none; border-radius: 10px; padding: 10px 16px; font-size: 14px; font-weight: 700; width: 100%; cursor: pointer; transition: background-color 0.15s ease; }
        
        /* ==================== 1. 메인 홈 ==================== */
        .home-header { margin-bottom: 10px; margin-top: 10px; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
        .home-header h1 { font-size: 20px; font-weight: 700; margin: 0 0 2px 0; color: var(--primary-blue); letter-spacing: -0.5px; display: flex; align-items: center; gap: 4px; }
        .home-header p { font-size: 12px; color: var(--text-sub); margin: 0; line-height: 1.3; }
        .diagnosis-card { background-color: var(--card-bg); border-radius: 18px; padding: 16px; box-shadow: 0 4px 16px rgba(0,0,0,0.03); margin: 0 24px 20px 24px; transition: background-color 0.3s ease; }
        .form-group { margin-bottom: 10px; }
        .form-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; color: var(--text-main); }
        
        select, input[type="number"], input[type="text"] { width: 100%; padding: 10px; font-size: 14px; font-family: 'Pretendard', sans-serif; border: 1px solid var(--border-color); border-radius: 10px; background-color: var(--input-bg); color: var(--text-main); outline: none; appearance: none; transition: all 0.2s ease; }
        select:focus, input[type="number"]:focus, input[type="text"]:focus { border-color: var(--primary-blue); background-color: var(--card-bg); box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.1); }

        .theme-toggle-btn { background-color: var(--input-bg); border: 1px solid var(--border-color); color: var(--text-main); padding: 8px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 4px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }

        /* ==================== 2. 로딩 화면 ==================== */
        .loading-container { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; text-align: center; background-color: var(--bg-color); }

        /* ==================== 3. 결과 페이지 ==================== */
        .top-app-bar { background-color: var(--card-bg); padding: 3px 10px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 5; transition: background-color 0.3s ease; }
        .top-app-bar h1 { font-size: 14px; font-weight: 700; margin: 0; color: var(--text-main); cursor: pointer; display: flex; align-items: center; gap: 4px; }
        
        .right-menu-actions { display: flex; gap: 8px; align-items: center; }
        .icon-btn { position: relative; background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 999px; cursor: pointer; padding: 4px 10px; display: flex; align-items: center; color: var(--text-main); gap: 6px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
        .icon-btn span { font-weight: 600; font-size: 11px; }
        .filter-badge { position: absolute; top: -2px; right: -2px; width: 10px; height: 10px; background-color: #f04452; border-radius: 50%; display: none; border: 2px solid var(--card-bg); }
        .filter-badge.active { display: block; }

        .search-container { margin-bottom: 6px; padding: 0 4px; position: relative; }
        .search-container input { padding: 14px 16px 14px 42px; font-size: 14px; border-radius: 14px; background-color: var(--card-bg); border: 1px solid var(--border-color); box-shadow: 0 2px 8px rgba(0,0,0,0.01); }
        .search-icon-svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-sub); pointer-events: none; }

        .total-amount-banner { display: none; background-color: var(--banner-bg); color: var(--banner-text); padding: 8px; border-radius: 10px; font-size: 12px; font-weight: 700; margin-bottom: 16px; margin-left: 4px; margin-right: 4px; text-align: center; box-shadow: 0 2px 8px rgba(49, 130, 246, 0.05); transition: all 0.3s ease; }
        .total-amount-banner span { font-size: 14px; font-weight: 800; margin-left: 4px; }

        .control-filter-line { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding: 0 4px; gap: 8px; }
        .sort-select-compact { width: auto; padding: 8px 12px; font-size: 12px; font-weight: 700; border-radius: 999px; background-color: var(--card-bg); border: 1px solid var(--border-color); cursor: pointer; }

        .result-content { padding: 20px; }
        .result-card { background-color: var(--card-bg); border-radius: 18px; padding: 22px 20px; margin-bottom: 16px; box-shadow: 0 2px 10px rgba(0,0,0,0.02); border-left: 4px solid var(--primary-blue); position: relative; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; }
        .card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
        .badge-group { display: flex; gap: 6px; align-items: center; }
        .badge { background-color: #e8f3ff; color: var(--primary-blue); font-size: 12px; font-weight: 700; padding: 4px 8px; border-radius: 6px; }
        body.dark .badge { background-color: #2c3c52; color: #529eff; }
        .dday-badge { background-color: #fff0f1; color: #f04452; font-size: 11px; font-weight: 800; padding: 4px 8px; border-radius: 6px; }
        body.dark .dday-badge { background-color: #3a1f22; color: #ff6b76; }
        
        .amount { font-size: 18px; font-weight: 700; color: var(--text-main); }
        .card-title { font-size: 17px; font-weight: 600; margin: 0 0 6px 0; padding-right: 90px; }
        .card-desc { font-size: 13px; color: var(--text-sub); margin: 0; line-height: 1.4; padding-right: 90px; }

        .card-actions { position: absolute; right: 16px; bottom: 16px; display: flex; gap: 14px; align-items: center; }
        .action-item { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; padding: 4px; }
        .action-icon { font-size: 20px; line-height: 1; }
        .action-text { font-size: 11px; font-weight: 700; color: var(--text-sub); white-space: nowrap; }
        .action-item.liked .action-text { color: var(--heart-color); }

        .empty-state { display: none; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; text-align: center; }
        .empty-state.active { display: flex; }
        .empty-icon { font-size: 52px; margin-bottom: 16px; }
        .empty-title { font-size: 18px; font-weight: 700; margin: 0 0 8px 0; }
        .empty-desc { font-size: 14px; color: var(--text-sub); margin: 0 0 24px 0; line-height: 1.4; }
        .btn-secondary { background-color: #e8f3ff; color: var(--primary-blue); border: none; border-radius: 10px; padding: 12px 24px; font-size: 14px; font-weight: 700; cursor: pointer; }
        body.dark .btn-secondary { background-color: #2c2c35; color: #529eff; }

        /* ==================== 4. 하프 바텀 시트 (50%) ==================== */
        .half-filter-sheet { position: absolute; bottom: 0; left: 0; width: 100%; height: 50%; background-color: var(--card-bg); border-radius: 24px 24px 0 0; box-shadow: 0 -4px 30px rgba(0,0,0,0.08); z-index: 20; display: flex; flex-direction: column; transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.3s ease; }
        .half-filter-sheet.open { transform: translateY(0); }
        .sheet-header { padding: 20px; border-bottom: 1px solid rgba(0,0,0,0.05); display: flex; justify-content: space-between; align-items: center; }
        .sheet-header h2 { font-size: 18px; font-weight: 700; margin: 0; text-shadow: 0 0 10px rgba(255,255,255,0.2); }
        .sheet-header .close-btn { background: none; border: none; font-size: 28px; color: var(--text-main); cursor: pointer; padding: 0; }
        .sheet-content { flex: 1; padding: 20px; overflow-y: auto; }
        .filter-group-title { font-size: 14px; font-weight: 700; color: var(--text-main); margin: 0 0 12px 0; }
        .filter-compact-row { display: flex; gap: 8px; margin-bottom: 6px; }
        .filter-compact-row select, .filter-compact-row input { padding: 12px; font-size: 14px; border-radius: 10px; background-color: var(--pill-bg); }
        .filter-compact-row select { flex: 1; }
        .filter-compact-row input { flex: 1; }
        .tag-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 24px; }
        .tag-pill { background-color: var(--pill-bg); border: 1px solid var(--border-color); color: var(--text-sub); border-radius: 999px; padding: 11px 4px; font-size: 13px; font-weight: 600; text-align: center; cursor: pointer; box-shadow: 0 2px 6px rgba(0,0,0,0.04); white-space: nowrap; transition: all 0.15s ease; }
        .tag-pill.active { background-color: var(--primary-blue); color: white; border-color: var(--primary-blue); font-weight: 700; }

        /* 체크박스 그룹 (상세필터) */
        .checkbox-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; }
        .checkbox-item { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; color: var(--text-main); cursor: pointer; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--card-bg); transition: all 0.15s; }
        .checkbox-item:hover { border-color: var(--primary-blue); background: var(--input-bg); }
        .checkbox-item input[type="checkbox"] { accent-color: var(--primary-blue); width: 16px; height: 16px; cursor: pointer; }

        /* 자동완성 드롭다운 */
        .autocomplete-dropdown {
            position: absolute; top: 100%; left: 0; right: 0;
            background: var(--card-bg); border: 1px solid var(--border-color);
            border-radius: 0 0 12px 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            z-index: 100; max-height: 280px; overflow-y: auto;
        }
        .autocomplete-item {
            padding: 10px 14px; font-size: 13px; cursor: pointer;
            border-bottom: 1px solid var(--border-color);
            transition: background 0.1s;
        }
        .autocomplete-item:last-child { border-bottom: none; }
        .autocomplete-item:hover, .autocomplete-item.active {
            background: var(--input-bg); color: var(--primary-blue); font-weight: 600;
        }

        /* 라운지 태그 가로 스크롤 3행 */
        .lounge-filter-grid {
            display: flex; flex-wrap: wrap; gap: 6px;
            padding: 8px 0 12px; max-height: 130px;
        }
        .lounge-tag {
            padding: 8px 6px; font-size: 12px; font-weight: 600;
            border-radius: 8px; cursor: pointer; white-space: nowrap; text-align: center;
            background: var(--card-bg); border: 1px solid var(--border-color);
            color: var(--text-sub); transition: all 0.15s; flex: 0 0 auto;
        }
        .lounge-tag:hover { border-color: var(--primary-blue); }
        .lounge-tag.active {
            background: var(--primary-blue); color: white; border-color: var(--primary-blue);
        }

        /* 검색 버튼 (input 내부 우측) */
        .search-btn {
            position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
            background: var(--primary-blue); color: white; border: none;
            border-radius: 8px; width: 36px; height: 36px; font-size: 16px;
            cursor: pointer; display: flex; align-items: center; justify-content: center;
            transition: all 0.15s;
        }
        .search-btn:hover { background: #2563eb; transform: translateY(-50%) scale(1.05); }

        /* ==================== 5. 안내 가이드 챗봇 ==================== */
        .overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); z-index: 25; display: none; }
        .overlay.active { display: block; }
        .chat-modal { position: absolute; bottom: -100%; left: 0; width: 100%; height: 85%; background-color: var(--card-bg); border-radius: 24px 24px 0 0; z-index: 30; display: flex; flex-direction: column; transition: bottom 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.3s ease; }
        .chat-modal.open { bottom: 0; }
        .chat-area { flex: 1; padding: 20px; overflow-y: auto; background-color: var(--chat-bg); display: flex; flex-direction: column; transition: background-color 0.3s ease; }
        .chat-bubble { max-width: 80%; padding: 14px 16px; border-radius: 16px; margin-bottom: 12px; font-size: 14px; line-height: 1.5; animation: popIn 0.25s ease forwards; max-height: none; overflow-y: visible; word-break: keep-all; }
        @keyframes popIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .bot-msg { background-color: var(--card-bg); border-bottom-left-radius: 4px; border: 1px solid var(--border-color); align-self: flex-start; }
        .user-msg { background-color: var(--primary-blue); color: white; border-bottom-right-radius: 4px; align-self: flex-end; }
        
        .term-link { color: var(--primary-blue); font-weight: 700; border-bottom: 2px dashed var(--primary-blue); cursor: pointer; padding: 0 2px; }
        body.dark .term-link { color: #529eff; border-color: #529eff; }
        
        .term-explain-box { background-color: var(--tooltip-bg); color: var(--tooltip-text); border-radius: 14px; padding: 16px; margin-bottom: 6px; font-size: 13px; line-height: 1.5; animation: slideDown 0.25s ease-out; align-self: flex-start; max-width: 90%; border-left: 4px solid #34a853; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
        @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

        /* ==================== 6. 사전 위젯 ==================== */
        .dictionary-widget { background-color: var(--card-bg); border-radius: 16px; border: 1px dashed var(--border-color); padding: 16px; margin: 16px 4px; transition: all 0.3s ease; }
        .dict-input-wrapper { position: relative; margin-bottom: 10px; }
        .dict-input-wrapper input { padding: 12px 12px 12px 38px; font-size: 14px; border-radius: 10px; height: 44px; }
        .dict-icon-glass { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: 0.6; font-size: 14px; pointer-events: none; }
        .dict-tags-line { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 4px; }
        .dict-suggest-tag { font-size: 11px; font-weight: 700; background-color: var(--input-bg); padding: 6px 10px; border-radius: 6px; cursor: pointer; color: var(--text-main); transition: background-color 0.2s; }
        .dict-suggest-tag:active { background-color: var(--border-color); }
        .dict-result-panel { display: none; background-color: var(--input-bg); border-radius: 10px; padding: 14px; margin-top: 12px; font-size: 13px; line-height: 1.5; border-left: 4px solid #3182f6; animation: fadeIn 0.2s ease; }

        .options-container { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; align-self: flex-end; width: 85%; }
        .option-btn { background-color: var(--card-bg); border: 1px solid var(--primary-blue); color: var(--primary-blue); border-radius: 12px; padding: 12px 16px; font-size: 13px; font-weight: 600; text-align: left; cursor: pointer; }
        .typing-indicator { display: none; align-self: flex-start; background-color: var(--card-bg); padding: 14px 16px; border-radius: 16px; border-bottom-left-radius: 4px; border: 1px solid var(--border-color); margin-bottom: 6px; }
        .typing-indicator span { display: inline-block; width: 6px; height: 6px; background-color: var(--text-sub); border-radius: 50%; margin: 0 2px; animation: bounce 1.4s infinite ease-in-out both; }
        .typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
        .typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
        @keyframes bounce { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1); } }
        
        /* ==================== 7. 추가 UI 고도화 (토스트, 스켈레톤, 인터랙션) ==================== */
        .toast { position: fixed; top: 10px; left: 50%; transform: translateX(-50%); background-color: rgba(25, 31, 40, 0.9); color: white; padding: 12px 24px; border-radius: 999px; font-size: 14px; font-weight: 600; z-index: 9999; opacity: 0; visibility: hidden; transition: opacity 0.3s, top 0.3s; }
        .toast.show { opacity: 1; visibility: visible; top: 30px; }
        body.dark .toast { background-color: rgba(255, 255, 255, 0.9); color: #191f28; }

        .skeleton-card { height: 130px; background-color: transparent; border: 2px dashed var(--border-color); border-radius: 18px; margin-bottom: 16px; position: relative; overflow: hidden; animation: skeleton-pulse 1s infinite alternate ease-in-out; }
        .skeleton-card::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent); animation: shimmer 1.5s infinite; }
        body.dark .skeleton-card::after { background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent); }
        @keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
        @keyframes skeleton-pulse { 0% { opacity: 0.4; } 100% { opacity: 1; } }

        .btn-primary:active, .tag-pill:active, .icon-btn:active { transform: scale(0.96); opacity: 0.9; transition: transform 0.1s ease, opacity 0.1s ease; }
        .result-card:active { transform: scale(0.97); border-color: var(--primary-blue); box-shadow: none; transition: transform 0.1s ease; }

        /* ==================== 8. 하단 탭 바 (GNB) - 4개 탭 구조로 변경 ==================== */
        .gnb-bar { position: fixed; bottom: 0; left: 0; right: 0; width: 100%; background-color: var(--card-bg); display: flex; justify-content: space-around; padding: 8px 0 env(safe-area-inset-bottom, 10px) 0; border-top: 1px solid var(--border-color); border-radius: 18px 18px 0 0; box-shadow: 0 -2px 16px rgba(0,0,0,0.1); z-index: 100; transition: background-color 0.3s ease; }
        .gnb-item { display: flex; flex-direction: column; align-items: center; gap: 1px; color: var(--text-sub); font-size: 10px; font-weight: 600; cursor: pointer; transition: color 0.2s ease; flex: 1; text-align: center; line-height: 1; }
        .gnb-item.active { color: var(--text-main); }
        .gnb-item.active span { color: var(--primary-blue); }

        /* ==================== 9. 커뮤니티 라운지 & 채팅 팝업 ==================== */
        .community-content { padding: 0 12px; }
        .community-header { padding: 12px 12px 8px 12px; }
        .community-header h2 { font-size: 18px; font-weight: 700; margin: 0; color: var(--text-main); }
        
        .lounge-tags { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 14px; scrollbar-width: none; -ms-overflow-style: none; }
        .lounge-tags::-webkit-scrollbar { display: none; }

        .room-list { display: flex; flex-direction: column; gap: 12px; }
        .room-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 18px; padding: 18px; cursor: pointer; display: flex; flex-direction: column; gap: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.01); transition: transform 0.1s ease; }
        .room-card:active { transform: scale(0.97); }
        .room-tags { display: flex; gap: 6px; }
        .room-tag { background-color: var(--input-bg); color: var(--text-sub); font-size: 11px; font-weight: 700; padding: 4px 8px; border-radius: 6px; }
        .room-title { font-size: 16px; font-weight: 700; margin: 0; color: var(--text-main); }
        .room-info { font-size: 12px; color: var(--text-sub); display: flex; justify-content: space-between; align-items: center; }
        .active-dot { display: inline-block; width: 6px; height: 6px; background-color: #34a853; border-radius: 50%; margin-right: 4px; animation: pulse 2s infinite; }
        @keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }

        .live-chat-sheet { position: absolute; bottom: -100%; left: 0; width: 100%; height: 90%; background-color: var(--bg-color); border-radius: 24px 24px 0 0; z-index: 35; display: flex; flex-direction: column; transition: bottom 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); box-shadow: 0 -4px 30px rgba(0,0,0,0.1); }
        .live-chat-sheet.open { bottom: 0; }
        .live-chat-header { background-color: var(--card-bg); padding: 16px 20px; border-radius: 24px 24px 0 0; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .user-count { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--primary-blue); background-color: var(--banner-bg); padding: 4px 10px; border-radius: 999px; }
        .user-count .pulse { width: 6px; height: 6px; background-color: #34a853; border-radius: 50%; animation: pulse 2s infinite; }

        .chat-scroll-area { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; position: relative; }

        .user-msg-box { display: flex; flex-direction: column; max-width: 85%; }
        .user-msg-box.me { align-self: flex-end; align-items: flex-end; }
        .user-msg-box.other { align-self: flex-start; align-items: flex-start; }
        .msg-sender { font-size: 12px; font-weight: 600; color: var(--text-sub); margin-bottom: 4px; margin-left: 4px; }
        
        .msg-bubble { 
            padding: 12px 16px; 
            border-radius: 18px; 
            font-size: 14px; 
            line-height: 1.4; 
            position: relative; 
            user-select: none; 
            -webkit-user-select: none;
            cursor: pointer;
            transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1), filter 0.1s ease;
        }
        .user-msg-box.me .msg-bubble { background-color: var(--primary-blue); color: white; border-bottom-right-radius: 4px; }
        .user-msg-box.other .msg-bubble { background-color: var(--card-bg); color: var(--text-main); border-bottom-left-radius: 4px; border: 1px solid var(--border-color); }
        .msg-bubble:active { transform: scale(0.96); filter: brightness(0.92); }
        body.dark .msg-bubble:active { filter: brightness(1.15); }

        .quote-box { background-color: rgba(0,0,0,0.06); border-left: 3px solid var(--primary-blue); padding: 8px 10px; border-radius: 8px; margin-bottom: 8px; font-size: 12px; opacity: 0.9; display: flex; flex-direction: column; gap: 2px; color: var(--text-sub); text-align: left; width: 100%; }
        .user-msg-box.me .quote-box { background-color: rgba(255,255,255,0.15); border-left-color: white; color: rgba(255,255,255,0.9); }
        .quote-sender { font-weight: 700; font-size: 11px; }
        .quote-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }

        /* ==================== 10. 마이페이지 요소 ==================== */
        .my-menu-item { padding: 16px 20px; font-size: 15px; font-weight: 600; color: var(--text-main); cursor: pointer; transition: background-color 0.2s; border-radius: 12px; }
        .my-menu-item:active { background-color: var(--input-bg); }

        .chat-context-menu { position: fixed; background-color: var(--pill-bg); border: 1px solid var(--border-color); border-radius: 14px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); padding: 6px 0; z-index: 100; display: none; min-width: 120px; }
        .chat-context-menu.show { display: flex; flex-direction: column; animation: popIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1); }
        .context-item { padding: 12px 16px; font-size: 14px; font-weight: 600; color: var(--text-main); display: flex; align-items: center; gap: 8px; cursor: pointer; transition: background-color 0.1s; }
        .context-item:active { background-color: var(--input-bg); }
        .context-divider { height: 1px; background-color: var(--border-color); margin: 4px 0; }
        
        .select-mode-banner { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); background-color: var(--primary-blue); color: white; padding: 12px 24px; border-radius: 999px; font-size: 14px; font-weight: 700; z-index: 10; box-shadow: 0 4px 12px rgba(49, 130, 246, 0.3); display: none; animation: popIn 0.3s ease; }