:root{--kakao-yellow: #fee500;--kakao-yellow-dark: #f2d900;--chat-bg: #aebcc9;--bubble-bot: #ffffff;--bubble-me: #fee500;--text: #191919;--text-muted: #8a8a8a;--border: #e5e5e5;--header-h: 56px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;color:var(--text);background:#f0f0f0}button{font-family:inherit;cursor:pointer;border:none;background:none}input{font-family:inherit}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--kakao-yellow) 0%,#ffd400 100%);padding:20px}.login-card{width:100%;max-width:400px;background:#fff;border-radius:24px;padding:36px 28px 28px;box-shadow:0 20px 50px #0000002e;text-align:center}.login-logo .login-badge{width:84px;height:84px;margin:0 auto 14px;border-radius:22px;background:var(--kakao-yellow);display:flex;align-items:center;justify-content:center;font-size:44px}.login-logo h1{font-size:30px;font-weight:800;letter-spacing:-1px}.login-logo p{margin-top:6px;color:var(--text-muted);font-size:14px;line-height:1.5}.login-form{margin-top:26px;display:flex;flex-direction:column;gap:12px}.login-input{width:100%;padding:15px 16px;border:1.5px solid var(--border);border-radius:12px;font-size:15px;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--kakao-yellow-dark)}.login-btn{margin-top:6px;padding:15px;background:var(--kakao-yellow);border-radius:12px;font-size:16px;font-weight:700;color:var(--text)}.login-btn:active{background:var(--kakao-yellow-dark)}.login-error{color:#e53935;font-size:13px;text-align:left}.login-help{margin-top:18px;font-size:14px;color:var(--text-muted)}.link-btn{color:#3b6fd4;font-weight:600;margin-left:4px}.login-note{margin-top:20px;font-size:12px;color:#b0b0b0;line-height:1.5}.app-shell{height:100vh;height:100dvh;display:flex;flex-direction:column;background:#fff;overflow:hidden}.chat-header{height:var(--header-h);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:var(--kakao-yellow);z-index:10}.chat-header-title{font-size:20px;font-weight:800;letter-spacing:-.5px}.icon-btn{width:38px;height:38px;border-radius:50%;font-size:22px;color:var(--text);display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:#0000000f}.room-header{justify-content:space-between}.room-title{display:flex;align-items:center;gap:10px;flex:1;margin-left:4px}.room-avatar{width:38px;height:38px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.room-name{display:flex;flex-direction:column;line-height:1.2}.room-name span:first-child{font-size:16px;font-weight:700}.room-status{font-size:11px;color:#6b6b6b}.chat-list{flex:1;overflow-y:auto;background:#fff}.chat-list-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;position:relative}.chat-list-item:hover{background:#fafafa}.avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}.cartok-avatar{background:var(--kakao-yellow)}.chat-item-body{flex:1;min-width:0}.chat-item-top{display:flex;justify-content:space-between;align-items:center}.chat-item-name{font-size:16px;font-weight:700}.chat-item-time{font-size:12px;color:var(--text-muted)}.chat-item-preview{margin-top:3px;font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item-badge{position:absolute;right:16px;bottom:14px;min-width:20px;height:20px;background:#ff3b30;color:#fff;border-radius:10px;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 6px}.chat-list-empty{text-align:center;color:var(--text-muted);font-size:14px;line-height:1.6;padding:40px 20px}.chat-body{flex:1;overflow-y:auto;background:var(--chat-bg);padding:16px 14px 24px;display:flex;flex-direction:column;gap:10px}.bubble-row{display:flex;align-items:flex-end;gap:8px;max-width:100%}.bubble-row.me{justify-content:flex-end}.bubble-avatar{width:34px;height:34px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.bubble{max-width:78%;padding:11px 14px;border-radius:18px;font-size:15px;line-height:1.55;word-break:break-word;white-space:pre-line;position:relative}.bubble.bot{background:var(--bubble-bot);border-top-left-radius:4px;box-shadow:0 1px 2px #00000014}.bubble.me{background:var(--bubble-me, var(--kakao-yellow));border-top-right-radius:4px;box-shadow:0 1px 2px #00000014}.bubble strong{font-weight:800}.bubble-time{display:block;margin-top:4px;font-size:11px;color:#9a9a9a;text-align:right}.file-msg{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);min-width:180px}.album-wrap{display:flex;flex-direction:column;gap:6px;min-width:120px}.album-grid{display:grid;gap:3px;overflow:hidden;border-radius:10px;width:220px}.album-grid.album-1{grid-template-columns:1fr;width:220px}.album-grid.album-2,.album-grid.album-3,.album-grid.album-4,.album-grid.album-many{grid-template-columns:1fr 1fr;width:220px}.album-item{position:relative;display:block;aspect-ratio:1 / 1;overflow:hidden;background:#eee}.album-item img{width:100%;height:100%;object-fit:cover;display:block}.album-more{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0000008c;color:#fff;font-size:20px;font-weight:700}.album-3 .album-item:first-child{grid-row:span 2}.album-3 .album-item:first-child img{object-fit:cover}.file-icon{font-size:26px;flex-shrink:0}.file-info{display:flex;flex-direction:column;min-width:0}.file-name{font-weight:700;font-size:14px;word-break:break-all}.file-size{font-size:12px;color:var(--text-muted)}.chat-input-bar{flex-shrink:0;display:flex;align-items:center;gap:6px;padding:8px 10px;background:#fff;border-top:1px solid var(--border)}.attach-btn{font-size:22px}.chat-input-form{flex:1;display:flex;align-items:center;gap:6px}.chat-input{flex:1;padding:11px 14px;border:1.5px solid var(--border);border-radius:22px;font-size:15px;outline:none}.chat-input:focus{border-color:var(--kakao-yellow-dark)}.send-btn{width:40px;height:40px;border-radius:50%;background:var(--kakao-yellow);font-size:18px;color:var(--text);display:flex;align-items:center;justify-content:center;flex-shrink:0}.send-btn:disabled{opacity:.4;cursor:default}.chat-header-right{display:flex;align-items:center;gap:6px}.header-user{font-size:13px;font-weight:600;color:#6b6b6b}.repair-btn{font-size:13px;font-weight:700;padding:6px 10px;border-radius:14px;background:#fee500;color:#3c1e1e;border:none;cursor:pointer;white-space:nowrap}.chatbot-body{padding-bottom:16px}.typing-bubble{display:inline-flex;align-items:center}.typing-dots{display:inline-flex;gap:4px}.typing-dots i{width:7px;height:7px;border-radius:50%;background:#b0b0b0;animation:blink 1.2s infinite}.typing-dots i:nth-child(2){animation-delay:.2s}.typing-dots i:nth-child(3){animation-delay:.4s}.bot-error{margin:0 12px 8px;padding:10px 12px;background:#ffe3e3;color:#c0392b;border-radius:10px;font-size:13px}.bot-options{flex-shrink:0;display:flex;flex-wrap:wrap;gap:8px;padding:10px 12px;background:#fff;border-top:1px solid var(--border)}.bot-option-btn{padding:11px 16px;border-radius:22px;border:1.5px solid var(--kakao-yellow-dark);background:#fff;color:var(--text);font-size:14px;font-weight:600;cursor:pointer}.bot-option-btn:active{background:var(--kakao-yellow)}.bot-form{flex-shrink:0;display:flex;flex-direction:column;gap:10px;padding:12px;background:#fff;border-top:1px solid var(--border);max-height:55vh;overflow-y:auto}.bot-field{display:flex;flex-direction:column;gap:4px}.bot-field-label{font-size:12px;font-weight:700;color:#6b6b6b}.bot-field-input{padding:11px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;outline:none}.bot-field-input:focus{border-color:var(--kakao-yellow-dark)}.bot-submit-btn{padding:13px;border-radius:12px;background:var(--kakao-yellow);color:var(--text);font-size:15px;font-weight:800;cursor:pointer}.bot-busy{flex-shrink:0;text-align:center;padding:12px;color:var(--text-muted);font-size:13px}.bubble.typing{display:flex;gap:5px;align-items:center;padding:14px 16px}.bubble.typing .dot{width:8px;height:8px;border-radius:50%;background:#b0b0b0;animation:blink 1.2s infinite}.bubble.typing .dot:nth-child(2){animation-delay:.2s}.bubble.typing .dot:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3}40%{opacity:1}}.options{display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding-left:42px}.option-btn{background:#fff;border:1.5px solid var(--kakao-yellow-dark);color:var(--text);padding:12px 18px;border-radius:22px;font-size:15px;font-weight:600;box-shadow:0 2px 6px #00000014;transition:transform .1s,background .2s}.option-btn:hover{background:var(--kakao-yellow);transform:translateY(-1px)}.option-btn:active{transform:scale(.97)}@media (max-width: 767px){.app-shell{width:100%}}@media (min-width: 768px) and (max-width: 1023px){body{background:#d8d8d8}.app-shell{width:100%;max-width:560px;margin:0 auto;box-shadow:0 0 40px #00000026}.bubble{max-width:72%;font-size:16px}}@media (min-width: 1024px){body{background:#d8d8d8}.app-shell{width:100%;max-width:520px;margin:0 auto;box-shadow:0 0 60px #0003}.bubble{max-width:80%;font-size:16px}.chat-body{padding:20px 18px}}