.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%;max-width:420px;padding:40px 24px}.login-title{font-size:40px;font-weight:700;text-align:center;color:var(--primary)}.login-subtitle{font-size:15px;text-align:center;color:var(--text-secondary);margin-bottom:8px}.clerk-form{width:100%}.login-switch{text-align:center;font-size:14px;color:var(--text-secondary);padding:8px;margin-top:4px}.login-switch-highlight{color:var(--primary);font-weight:600}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:60px;background:var(--primary);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:8px}.sidebar-tab{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff9;transition:all .2s}.sidebar-tab.active{background:#ffffff40;color:#fff}.sidebar-tab:hover{background:#ffffff26}.panel{width:340px;border-right:1px solid var(--border);display:flex;flex-direction:column;background:var(--bg)}.panel-header{padding:16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.panel-header h2{font-size:22px;font-weight:700}.panel-header button{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center}.search-bar{padding:8px 16px;border-bottom:1px solid var(--border)}.search-bar input{width:100%;padding:8px 12px;border-radius:20px;border:1px solid var(--border);background:var(--input-bg);font-size:14px;color:var(--text)}.search-bar input::placeholder{color:var(--text-secondary)}.chat-list{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;padding:12px 16px;gap:12px;cursor:pointer;transition:background .15s;border-bottom:1px solid var(--border)}.chat-item:hover{background:var(--surface)}.chat-item.active{background:var(--primary-light)}.chat-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;color:var(--primary);flex-shrink:0}.chat-info{flex:1;min-width:0}.chat-info-top{display:flex;justify-content:space-between;align-items:center}.chat-name{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-time{font-size:12px;color:var(--text-secondary);flex-shrink:0}.chat-last-msg{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.unread-badge{background:var(--primary);color:#fff;border-radius:10px;padding:1px 6px;font-size:11px;font-weight:600;min-width:18px;text-align:center}.friend-item{display:flex;align-items:center;padding:10px 16px;gap:12px;border-bottom:1px solid var(--border)}.friend-item:hover{background:var(--surface)}.friend-info{flex:1}.friend-name{font-weight:500;font-size:15px}.friend-phone{font-size:13px;color:var(--text-secondary)}.friend-actions button{padding:4px 8px;font-size:13px;color:var(--error)}.friend-count{padding:6px 16px;font-size:13px;color:var(--text-secondary)}.main{flex:1;display:flex;flex-direction:column;background:var(--bg)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary);gap:12px}.empty-icon{font-size:48px}.chat-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.chat-header h3{font-size:17px;font-weight:600}.messages-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:4px}.message-row{display:flex;flex-direction:column;margin-bottom:2px}.message-row.own{align-items:flex-end}.message-row.other{align-items:flex-start}.message-bubble{max-width:60%;padding:8px 14px;border-radius:16px;font-size:15px;line-height:1.4;word-break:break-word}.message-bubble.own{background:var(--msg-own);border-bottom-right-radius:6px}.message-bubble.other{background:var(--msg-other);border-bottom-left-radius:6px}.message-bubble.emoji-msg{background:transparent;font-size:40px;padding:0}.message-time{font-size:11px;color:var(--text-secondary);margin-top:2px;padding:0 4px}.attachment-label{font-size:13px;color:var(--primary);margin-bottom:2px}.input-area{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:flex-end;gap:8px}.input-area .emoji-btn,.input-area .attach-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary)}.input-area .emoji-btn:hover,.input-area .attach-btn:hover{background:var(--surface)}.input-wrapper{flex:1;border:1px solid var(--border);border-radius:20px;padding:8px 14px;background:var(--input-bg)}.input-wrapper textarea{width:100%;border:none;background:transparent;resize:none;font-size:15px;line-height:1.4;max-height:100px;color:var(--text)}.input-wrapper textarea::placeholder{color:var(--text-secondary)}.send-btn{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}.send-btn:disabled{background:var(--border);cursor:default}.emoji-picker{border-top:1px solid var(--border);padding:8px;background:var(--surface);max-height:200px;overflow-y:auto;display:flex;flex-wrap:wrap}.emoji-picker button{width:36px;height:36px;font-size:22px;display:flex;align-items:center;justify-content:center;border-radius:6px}.emoji-picker button:hover{background:var(--border)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:12px}.loading-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-size:14px;color:var(--text-secondary)}@keyframes spin{to{transform:rotate(360deg)}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #A29BFE;--primary-light: #D5D0FE;--secondary: #81ECEC;--accent: #FDA7DF;--bg: #FEFEFE;--surface: #F8F9FA;--text: #2D3436;--text-secondary: #636E72;--border: #E9ECEF;--msg-own: #D5D0FE;--msg-other: #F1F2F6;--input-bg: #F8F9FA;--card-bg: #FFFFFF;--success: #55EFC4;--error: #FAB1A0;--shadow: rgba(0, 0, 0, .05)}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea{font-family:inherit;outline:none}a{text-decoration:none;color:inherit}