:root{--wa-green:#00a884;--wa-green-dark:#008069;--wa-green-light:#d9fdd3;--wa-bg:#111b21;--wa-panel-bg:#202c33;--wa-panel-header:#202c33;--wa-chat-bg:#0b141a;--wa-input-bg:#2a3942;--wa-text-primary:#e9edef;--wa-text-secondary:#8696a0;--wa-text-muted:#667781;--wa-border:#2a3942;--wa-hover:#2a3942;--wa-msg-out:#005c4b;--wa-msg-in:#202c33;--wa-icon:#8696a0;--wa-icon-hover:#e9edef;--wa-online:#00a884;--wa-scroll:#374045;font-family:Segoe UI,Helvetica,Arial,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--wa-bg);width:100%;height:100%;color:var(--wa-text-primary);font-size:15px;line-height:1.4}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--wa-scroll);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#4f6368}.app{height:100vh;display:flex;overflow:hidden}.sidebar{border-right:1px solid var(--wa-border);background:var(--wa-panel-bg);flex-direction:column;width:400px;min-width:300px;max-width:500px;height:100%;display:flex}.sidebar-header{background:var(--wa-panel-header);justify-content:space-between;align-items:center;height:60px;padding:10px 16px;display:flex}.sidebar-header .avatar{object-fit:cover;cursor:pointer;border-radius:50%;width:40px;height:40px}.sidebar-header .actions{align-items:center;gap:8px;display:flex}.icon-btn{width:40px;height:40px;color:var(--wa-icon);border-radius:50%;justify-content:center;align-items:center;transition:background .15s;display:flex}.icon-btn:hover{background:var(--wa-hover);color:var(--wa-icon-hover)}.search-bar{background:var(--wa-panel-bg);padding:8px 12px}.search-bar input{background:var(--wa-input-bg);width:100%;color:var(--wa-text-primary);border:none;border-radius:8px;outline:none;padding:9px 12px 9px 36px;font-size:14px}.search-bar input::placeholder{color:var(--wa-text-muted)}.search-bar .search-wrapper{position:relative}.search-bar .search-icon{color:var(--wa-text-muted);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.chat-list{flex:1;overflow-y:auto}.chat-item{cursor:pointer;border-bottom:1px solid #0000;align-items:center;gap:12px;padding:13px 16px;transition:background .1s;display:flex}.chat-item:hover,.chat-item.active{background:var(--wa-hover)}.chat-item .avatar-wrap{flex-shrink:0;position:relative}.chat-item .avatar-wrap img,.chat-item .avatar-wrap .avatar-placeholder{object-fit:cover;background:var(--wa-border);width:49px;height:49px;color:var(--wa-text-secondary);border-radius:50%;justify-content:center;align-items:center;font-size:20px;font-weight:600;display:flex}.online-dot{background:var(--wa-online);border:2px solid var(--wa-panel-bg);border-radius:50%;width:12px;height:12px;position:absolute;bottom:2px;right:2px}.chat-item .info{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.chat-item .top-row{justify-content:space-between;align-items:center;display:flex}.chat-item .name{color:var(--wa-text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:400;overflow:hidden}.chat-item .time{color:var(--wa-text-secondary);flex-shrink:0;margin-left:6px;font-size:12px}.chat-item.has-unread .time{color:var(--wa-green)}.chat-item .bottom-row{justify-content:space-between;align-items:center;display:flex}.chat-item .last-msg{color:var(--wa-text-secondary);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.unread-badge{background:var(--wa-green);color:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;min-width:20px;height:20px;margin-left:6px;padding:0 5px;font-size:11px;font-weight:700;display:flex}.chat-window{background:var(--wa-chat-bg);flex-direction:column;flex:1;height:100%;display:flex;position:relative}.chat-bg{pointer-events:none;opacity:.3;background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23182229' fill-opacity='0.5'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");position:absolute;inset:0}.chat-header{background:var(--wa-panel-header);z-index:1;align-items:center;gap:12px;height:60px;padding:10px 16px;display:flex;position:relative}.chat-header .user-info{cursor:pointer;flex:1}.chat-header .user-info .name{font-size:16px;font-weight:500}.chat-header .user-info .status{color:var(--wa-text-secondary);font-size:12px}.messages-container{z-index:1;flex-direction:column;flex:1;gap:2px;padding:20px 10%;display:flex;position:relative;overflow-y:auto}.msg-group{flex-direction:column;gap:2px;max-width:65%;display:flex}.msg-group.outgoing{align-self:flex-end;align-items:flex-end}.msg-group.incoming{align-self:flex-start;align-items:flex-start}.message-bubble{word-wrap:break-word;border-radius:7.5px;max-width:100%;padding:6px 7px 8px 9px;font-size:14.2px;line-height:1.5;position:relative;box-shadow:0 1px .5px #0b141a21}.msg-group.outgoing .message-bubble{background:var(--wa-msg-out);border-radius:7.5px 0 7.5px 7.5px}.msg-group.incoming .message-bubble{background:var(--wa-msg-in);border-radius:0 7.5px 7.5px}.message-bubble .deleted{color:var(--wa-text-secondary);font-style:italic}.message-bubble .meta{float:right;align-items:center;gap:4px;margin-top:4px;margin-left:8px;display:flex;position:relative;bottom:-2px}.message-bubble .time-small{color:#ffffff8c;white-space:nowrap;font-size:11px}.message-bubble .check-icon{color:#ffffff8c}.sender-name{color:var(--wa-green);margin-bottom:2px;padding-left:9px;font-size:12.5px;font-weight:600}.reply-block{border-left:4px solid var(--wa-green);background:#0003;border-radius:4px;margin-bottom:4px;padding:5px 8px;font-size:12.8px}.reply-block .reply-sender{color:var(--wa-green);font-size:12px;font-weight:600}.reply-block .reply-text{color:var(--wa-text-secondary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.date-divider{justify-content:center;align-items:center;margin:12px 0;display:flex}.date-divider span{background:var(--wa-panel-bg);color:var(--wa-text-secondary);border-radius:8px;padding:5px 12px;font-size:12px;box-shadow:0 1px .5px #0b141a21}.message-input-area{background:var(--wa-panel-header);z-index:1;align-items:flex-end;gap:8px;padding:10px 16px;display:flex;position:relative}.message-input-area .input-wrapper{background:var(--wa-input-bg);border-radius:8px;flex:1;align-items:flex-end;gap:8px;min-height:42px;padding:9px 12px;display:flex}.message-input-area textarea{color:var(--wa-text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:200px;font-size:15px;line-height:1.4;overflow-y:auto}.message-input-area textarea::placeholder{color:var(--wa-text-muted)}.send-btn{background:var(--wa-green);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;transition:background .15s;display:flex}.send-btn:hover{background:var(--wa-green-dark)}.empty-chat{background:var(--wa-chat-bg);color:var(--wa-text-secondary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.empty-chat .logo{background:var(--wa-green);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:8px;display:flex}.empty-chat h2{color:var(--wa-text-primary);font-size:28px;font-weight:300}.empty-chat p{text-align:center;max-width:380px;font-size:14px}.auth-page{background:var(--wa-bg);justify-content:center;align-items:center;height:100vh;display:flex}.auth-card{background:var(--wa-panel-bg);border-radius:12px;flex-direction:column;gap:20px;width:100%;max-width:440px;padding:40px 48px;display:flex}.auth-card .logo-row{flex-direction:column;align-items:center;gap:12px;margin-bottom:8px;display:flex}.auth-card .logo-icon{background:var(--wa-green);border-radius:50%;justify-content:center;align-items:center;width:70px;height:70px;display:flex}.auth-card h1{color:var(--wa-text-primary);font-size:22px;font-weight:400}.auth-card .subtitle{color:var(--wa-text-secondary);text-align:center;font-size:13px}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--wa-text-secondary);font-size:13px}.form-group input{background:var(--wa-input-bg);color:var(--wa-text-primary);border:1px solid #0000;border-radius:8px;outline:none;padding:10px 14px;font-size:15px;transition:border-color .15s}.form-group input:focus{border-color:var(--wa-green)}.form-group input::placeholder{color:var(--wa-text-muted)}.btn-primary{background:var(--wa-green);color:#fff;text-align:center;cursor:pointer;border:none;border-radius:8px;width:100%;padding:11px;font-size:15px;font-weight:600;transition:background .15s}.btn-primary:hover{background:var(--wa-green-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-switch{text-align:center;color:var(--wa-text-secondary);font-size:13px}.auth-switch button{color:var(--wa-green);cursor:pointer;background:0 0;border:none;margin-left:4px;font-size:13px;font-weight:600}.error-msg{color:#f56565;text-align:center;font-size:13px}.typing-indicator{background:var(--wa-msg-in);border-radius:0 7.5px 7.5px;align-items:center;gap:4px;width:fit-content;max-width:80px;padding:6px 9px;display:flex}.typing-indicator span{background:var(--wa-text-secondary);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite both bounce}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--wa-panel-bg);border-radius:12px;flex-direction:column;width:400px;max-height:80vh;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--wa-border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-header h3{font-size:16px;font-weight:500}.modal-body{flex:1;padding:8px 0;overflow-y:auto}.modal-footer{border-top:1px solid var(--wa-border);padding:12px 20px}.contact-item{cursor:pointer;align-items:center;gap:12px;padding:10px 20px;transition:background .1s;display:flex}.contact-item:hover{background:var(--wa-hover)}.profile-panel{background:var(--wa-panel-bg);flex-direction:column;width:100%;height:100%;display:flex}.profile-panel-header{background:var(--wa-green-dark);color:#fff;padding:64px 20px 20px}.profile-panel-header h2{font-size:19px;font-weight:500}.profile-avatar-section{flex-direction:column;align-items:center;gap:12px;padding:32px 20px;display:flex}.profile-avatar{object-fit:cover;background:var(--wa-border);width:200px;height:200px;color:var(--wa-text-secondary);border-radius:50%;justify-content:center;align-items:center;font-size:80px;display:flex}.profile-field{border-bottom:1px solid var(--wa-border);padding:16px 20px}.profile-field .label{color:var(--wa-green);margin-bottom:4px;font-size:13px}.profile-field .value{color:var(--wa-text-primary);font-size:16px}.mobile-back-btn{margin-right:2px;display:none}.chat-window-wrapper{flex:1;height:100%;display:flex;position:relative}.message-image-container{border-radius:6px;max-width:320px;margin:4px 0;overflow:hidden}.message-image{object-fit:cover;cursor:pointer;border-radius:6px;width:100%;max-height:360px;transition:opacity .15s;display:block}.message-image:hover{opacity:.95}.message-audio-container{min-width:240px;max-width:300px;margin:4px 0}.message-audio-player{border-radius:20px;outline:none;width:100%;height:36px}.message-audio-player::-webkit-media-controls-panel{background-color:#00000040}.recording-bar{background:var(--wa-input-bg);border-radius:24px;flex:1;align-items:center;gap:12px;padding:6px 12px;display:flex}.recording-status{color:var(--wa-text-primary);flex:1;align-items:center;gap:8px;font-size:14px;display:flex}.recording-blink{background:#f56565;border-radius:50%;width:10px;height:10px;animation:1s ease-in-out infinite pulse-red}@keyframes pulse-red{0%,to{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.85)}}.app-brand-title{color:var(--wa-green);letter-spacing:-.2px;-webkit-user-select:none;user-select:none;font-size:19px;font-weight:700}.profile-modal{width:440px;max-width:95%}.profile-modal-body{flex-direction:column;gap:18px;padding:20px 24px;display:flex}.profile-pic-container{justify-content:center;margin:10px 0 16px;display:flex}.profile-pic-wrapper{cursor:pointer;border-radius:50%;width:140px;height:140px;position:relative;overflow:hidden}.profile-pic-overlay{opacity:0;color:#fff;text-align:center;background:#0000008c;flex-direction:column;justify-content:center;align-items:center;gap:6px;font-size:11px;font-weight:600;transition:opacity .2s;display:flex;position:absolute;inset:0}.profile-pic-wrapper:hover .profile-pic-overlay,.profile-pic-overlay:active{opacity:1}.error-banner{color:#fc8181;text-align:center;background:#f5656526;border:1px solid #f56565;border-radius:6px;padding:8px 12px;font-size:13px}.success-banner{border:1px solid var(--wa-green);color:var(--wa-green);text-align:center;background:#00a88426;border-radius:6px;padding:8px 12px;font-size:13px}.delete-account-section{border-top:1px solid var(--wa-border);flex-direction:column;align-items:center;margin-top:10px;padding-top:16px;display:flex}.btn-danger-outline{color:#f56565;cursor:pointer;background:0 0;border:1px solid #f56565;border-radius:8px;align-items:center;gap:8px;padding:9px 18px;font-size:14px;font-weight:600;transition:background .15s,color .15s;display:flex}.btn-danger-outline:hover{background:#f5656526}.delete-confirm-box{background:#f565651a;border:1px solid #f5656566;border-radius:8px;width:100%;padding:14px 16px}.btn-danger{color:#fff;cursor:pointer;background:#e53e3e;border:none;border-radius:6px;padding:8px 14px;font-size:13px;font-weight:600;transition:background .15s}.btn-danger:hover{background:#c53030}.btn-secondary{background:var(--wa-input-bg);color:var(--wa-text-primary);border:1px solid var(--wa-border);cursor:pointer;border-radius:6px;padding:8px 14px;font-size:13px}.btn-secondary:hover{background:var(--wa-hover)}.mobile-fab{background:var(--wa-green);color:#fff;z-index:50;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:transform .15s,background .15s;display:none;position:fixed;bottom:24px;right:20px;box-shadow:0 4px 12px #0006}.mobile-fab:active{background:var(--wa-green-dark);transform:scale(.95)}@media (width<=768px){.app{width:100vw;height:100dvh;position:relative;overflow:hidden}.sidebar{border-right:none;width:100%;min-width:100%;max-width:100%;height:100%;display:flex}.sidebar.hidden{display:none!important}.mobile-fab,.mobile-back-btn{display:flex}.chat-window-wrapper{width:100%;height:100%;display:none}.chat-window-wrapper.active{z-index:100;display:flex;position:fixed;inset:0}.messages-container{padding:12px 14px}.msg-group{max-width:86%}.message-input-area{gap:6px;padding:8px 10px}.message-input-area .input-wrapper{padding:8px 10px}.send-btn{width:44px;height:44px}.empty-chat{display:none}.modal{width:92%;max-height:85vh}.auth-card{margin:16px;padding:28px 20px}}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.text-muted{color:var(--wa-text-secondary)}.text-green{color:var(--wa-green)}.font-medium{font-weight:500}.truncate{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}