:root{--bg-color:#d1d7db;--app-bg:#fff;--sidebar-bg:#fff;--sidebar-header:#f0f2f5;--chat-bg:#e5ddd5;--chat-header:#f0f2f5;--incoming-msg:#fff;--outgoing-msg:#d9fdd3;--primary-green:#008069;--accent-color:#008069;--text-primary:#111b21;--text-secondary:#54656f;--border-color:#e9edef;--glass-border:transparent;--input-bg:#fff;--shadow:none;--animation-duration:0s;--glass-bg:#fff;--backdrop-filter:none}[data-theme=dark]{--bg-color:#111b21;--app-bg:#222e35;--sidebar-bg:#111b21;--sidebar-header:#202c33;--chat-bg:#0b141a;--chat-header:#202c33;--incoming-msg:#202c33;--outgoing-msg:#005c4b;--primary-green:#00a884;--text-primary:#e9edef;--text-secondary:#8696a0;--border-color:#222e35;--input-bg:#2a3942;--glass-bg:#0000004d}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Helvetica Neue,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);width:100vw;min-height:100vh;margin:0;padding:0;overflow:hidden auto}#root{background:var(--bg-color);justify-content:center;align-items:flex-start;width:100%;min-height:100vh;padding-top:80px;padding-bottom:20px;display:flex}.app-container{background:var(--glass-bg);width:calc(100% - 40px);max-width:1600px;height:calc(100vh - 100px);-webkit-backdrop-filter:var(--backdrop-filter);backdrop-filter:var(--backdrop-filter);border:1px solid var(--glass-border);border-radius:3px;display:flex;position:relative;overflow:hidden;box-shadow:0 1px 1px #0000000f,0 2px 5px #0003}@media (min-width:1441px){.app-container{position:relative}}.settings-content,.settings-page-content{height:100%;overflow-y:auto}.sidebar{border-right:1px solid var(--border-color);background-color:var(--sidebar-bg);flex-direction:column;flex:none;width:30%;min-width:250px;max-width:50vw;display:flex}.chat-list{background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);flex-direction:column;height:100%;display:flex;overflow:hidden}.sidebar-header{background-color:var(--sidebar-header);border-right:1px solid var(--border-color);justify-content:space-between;align-items:center;height:60px;padding:10px 16px;display:flex}.sidebar-title-text{background:linear-gradient(135deg,#00d2d3 0%,#54a0ff 100%);-webkit-text-fill-color:transparent;text-shadow:0 2px 5px #0000001a;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:700}.user-list{flex:1;height:0;overflow-y:auto}.user-item{cursor:pointer;border-bottom:1px solid var(--glass-border);align-items:center;padding:12px 15px;display:flex}.user-item:hover{background-color:#f0f2f5}.user-item.active{background:var(--primary-green);color:#fff}.avatar{object-fit:cover;background-color:#dfe5e7;border-radius:50%;width:49px;height:49px;margin-right:15px}.user-info{flex-direction:column;flex:1;justify-content:center;display:flex}.user-name{color:var(--text-primary);font-size:17px;font-weight:400}.user-status{color:var(--text-secondary);margin-top:2px;font-size:13px}.chat-window{background-color:var(--chat-bg);background-blend-mode:overlay;background-image:url(https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png);background-repeat:repeat;flex-direction:column;flex:1;display:flex;position:relative}.chat-header{background-color:var(--chat-header);border-left:1px solid var(--border-color);z-index:10;align-items:center;height:60px;padding:10px 16px;display:flex}.chat-messages{background-image:url(https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png);flex-direction:column;flex:1;gap:4px;padding:20px 5%;display:flex;overflow-y:auto}.message-bubble{max-width:70%;color:var(--text-primary);word-wrap:break-word;border:none;border-radius:7.5px;margin-bottom:8px;padding:6px 7px 8px 9px;font-size:14.2px;line-height:19px;animation:.3s ease-out bubbleAppear;position:relative;box-shadow:0 1px .5px #00000021}@keyframes bubbleAppear{0%{opacity:0;transform:scale(.8)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.message-bubble.me{background:var(--outgoing-msg);border-bottom-right-radius:4px;align-self:flex-end;margin-left:auto}.message-bubble.other{background:var(--incoming-msg);border-bottom-left-radius:4px;align-self:flex-start;margin-right:auto}.message-header{justify-content:space-between;align-items:center;margin-bottom:4px;font-size:12px;display:flex}.message-sender{color:var(--primary-green);font-weight:600}.message-meta{float:right;align-items:center;height:15px;margin-top:4px;margin-left:8px;display:flex}.message-time{color:#00000073;font-size:11px}.message-content{word-wrap:break-word;white-space:pre-wrap}[data-theme=dark] .message-time{color:#fff9}.seen{color:var(--primary-green);font-size:12px;position:absolute;bottom:4px;right:8px}.typing-indicator{background:var(--incoming-msg);box-shadow:var(--shadow);-webkit-backdrop-filter:var(--backdrop-filter);backdrop-filter:var(--backdrop-filter);border:1px solid var(--glass-border);color:var(--text-secondary);border-radius:18px 18px 18px 4px;align-self:flex-start;margin-bottom:12px;padding:12px 16px;font-style:italic}.typing-dots{margin-right:8px;display:inline-block}.typing-dots span{background-color:var(--primary-green);border-radius:50%;width:4px;height:4px;margin:0 1px;animation:1.4s ease-in-out infinite typingDot;display:inline-block}.typing-dots span:first-child{animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}@keyframes typingDot{0%,80%,to{opacity:.5;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.chat-input-area{background-color:var(--chat-header);z-index:10;align-items:center;min-height:62px;padding:5px 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.3s;display:flex}.contact-info-header{background-color:var(--sidebar-header);border-bottom:1px solid var(--border-color);height:60px;color:var(--text-primary);align-items:center;padding:0 20px;display:flex}.contact-info-content{flex-direction:column;flex:1;align-items:center;padding:20px;display:flex;overflow-y:auto}.contact-info-section{text-align:center;background:0 0;width:100%;margin-bottom:10px;padding:15px}.avatar-large{object-fit:cover;border-radius:50%;width:200px;height:200px;margin-bottom:20px}.msg-tick{vertical-align:middle;margin-left:5px;font-size:11px}.toggle-switch{width:40px;height:20px;display:inline-block;position:relative}.slider{cursor:pointer;background-color:#ccc;border-radius:20px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:16px;height:16px;transition:all .4s;position:absolute;bottom:2px;left:2px}.reply-preview{border-left:4px solid var(--primary-green);background-color:#0000000d;border-radius:5px 5px 0 0;justify-content:space-between;align-items:center;margin:0 10px;padding:10px 15px;display:flex}.reply-content{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.message-quote{border-left:3px solid var(--primary-green);cursor:pointer;background-color:#0000000d;border-radius:5px;margin-bottom:5px;padding:5px 8px;font-size:12px}.message-quote-sender{color:var(--primary-green);margin-bottom:2px;font-weight:700}.chip{background-color:#e9edef;border-radius:16px;align-items:center;gap:5px;padding:5px 10px;font-size:12px;display:flex}.app-header{z-index:1000;background:#fff;border-bottom:1px solid #e9edef;justify-content:space-between;align-items:center;width:100%;height:60px;padding:0 40px;display:flex;position:fixed;top:0;left:0}.header-logo{cursor:pointer;text-shadow:0 0 10px #0003;align-items:center;font-size:24px;font-weight:700;display:flex}.logo-image{border-radius:50%;width:auto;height:40px}.header-nav button{color:#000;cursor:pointer;box-shadow:none;background:0 0;border:none;margin-left:20px;font-size:16px}.header-nav button:hover{color:var(--primary-green);box-shadow:none;transform:none}.app-footer{color:#fff;z-index:1000;background:#000c;justify-content:center;align-items:center;width:100%;display:flex;position:fixed;bottom:0;left:0}.footer-logo{align-items:center;display:flex}.footer-copy{color:#ffffffb3;padding:15px;font-size:12px}.logo-image-footer{opacity:.8;width:auto;height:25px}.footer-links span{cursor:pointer;text-decoration:underline}.page-layout{color:#fff;justify-content:center;align-items:flex-start;width:100%;min-height:100vh;padding-top:0;padding-bottom:60px;display:flex;overflow-y:auto}.about-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:800px;color:var(--text-primary);border-radius:20px;margin:0 auto;padding:40px}.profile-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:15px;width:100%;max-width:500px;margin:20px;padding:30px}.dynamic-logo-text{background:linear-gradient(135deg,#00d2d3 0%,#54a0ff 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-left:10px;font-size:24px;font-weight:700}.placeholder-window{text-align:center;border-bottom:6px solid var(--primary-green);background-color:#f0f2f5;background-image:none;justify-content:center;align-items:center;width:100%;height:100%}.placeholder-content{max-width:80%;color:var(--text-secondary)}.placeholder-image{filter:contrast(.5)brightness(1.5);width:250px;height:auto}.placeholder-title{color:var(--text-primary);margin-top:20px;font-size:32px;font-weight:300}.placeholder-subtitle{margin-top:10px;font-size:14px;line-height:1.4}.placeholder-footer{font-size:14px;position:absolute;bottom:30px;left:50%;transform:translate(-50%)}@media (max-width:768px){body{width:100%;height:100vh;margin:0;padding:0;overflow:hidden}#root{width:100%;height:100vh;margin:0;padding-top:60px}.app-container{width:100%;max-width:100%;height:calc(100vh - 60px);box-shadow:none;border-radius:0;margin:0;padding:0}}@media (max-width:480px){body{width:100vw;height:100vh;margin:0;padding:0;display:block;overflow:hidden}#root{justify-content:flex-start;align-items:flex-start;width:100vw;height:100vh;margin:0;padding-top:60px;display:flex}.app-container{width:100vw;max-width:100vw;height:calc(100vh - 60px);box-shadow:none;border-radius:0;margin:0;padding:0;display:flex}}:root{--transition:all .3s cubic-bezier(.4,0,.2,1);--shadow-sm:0 2px 8px #00000026;--shadow-md:0 4px 16px #00000040;--shadow-lg:0 8px 32px #00000059;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--primary-blue:#007bff;--bg-color:#e3f2fd;--app-bg:#fff;--sidebar-bg:#f8f9fa;--text-primary:#0d47a1;--text-secondary:#1976d2;--border-color:#bbdefb;--hover-bg:#e1f5fe;--input-bg:#fff;--accent-color:#007bff;--primary-green:#007bff}form{background:var(--app-bg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border-radius:16px;margin:0 auto;padding:48px 32px;animation:.5s ease-in-out slideIn}form h2{color:var(--text-primary);text-align:center;letter-spacing:-.5px;margin-bottom:12px;font-size:32px;font-weight:700}form>p:first-of-type{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:14px}form input{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--input-bg);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;margin-bottom:14px;padding:13px 16px;font-family:inherit;font-size:15px}form input:focus{border-color:var(--primary-green);box-shadow:0 0 0 4px #00a8841f}form input::placeholder{color:var(--text-secondary)}form button{background:var(--accent-color);color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);border:none;margin-top:8px;margin-bottom:16px;padding:13px 16px;font-size:16px;font-weight:600}form button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #00a8844d}form button:disabled{opacity:.6;cursor:not-allowed}.app-container{background:var(--bg-color);width:100%;height:calc(100vh - 120px);margin:60px 0 0;padding:0;display:flex;overflow-y:auto}.app-container *{box-sizing:border-box}.chat-list{background:var(--sidebar-bg);border-right:1px solid var(--border-color);flex-direction:column;flex:0 0 30%;min-width:250px;max-width:600px;height:100%;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:12px;padding:16px;display:flex}.sidebar-header button{cursor:pointer;color:var(--text-primary);transition:var(--transition);border-radius:var(--radius-md);background:0 0;border:none;padding:6px;font-size:20px}.sidebar-header button:hover{background:var(--hover-bg)}.search-bar-container{background:var(--sidebar-bg);border-bottom:1px solid var(--border-color);padding:8px 12px}.chat-input{background:var(--input-bg);width:100%;color:var(--text-primary);transition:var(--transition);border:none;border-radius:24px;outline:none;padding:10px 16px;font-size:13px}.chat-input:focus{background:var(--app-bg);box-shadow:0 0 0 1px var(--primary-green)}.user-list{flex:1;overflow:hidden auto}.user-list::-webkit-scrollbar{width:8px}.user-list::-webkit-scrollbar-track{background:0 0}.user-list::-webkit-scrollbar-thumb{background:#00a88466;border-radius:4px;transition:background .2s}.user-list::-webkit-scrollbar-thumb:hover{background:#00a884b3;box-shadow:0 0 4px #00a8844d}.user-item{cursor:pointer;transition:var(--transition);border-radius:var(--radius-md);background:0 0;align-items:center;gap:12px;margin:0 4px;padding:8px;display:flex}.search-result-item{border-bottom:1px solid var(--border-color);background:var(--app-bg);margin-bottom:10px;padding:20px}.search-result-item .user-name{font-size:18px;font-weight:600}.search-result-item .user-status{margin-top:4px;font-size:14px}.user-item:hover{background:var(--hover-bg)}.user-item.active{background:var(--accent-color)}.user-item.active .user-name,.user-item.active .user-status{color:#fff}.avatar{object-fit:cover;border:2px solid var(--primary-green);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;font-weight:600;display:flex}.default-avatar{background:var(--primary-green);color:#fff}.user-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.user-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.user-status{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.online-dot{background:#31a24c;border:2px solid #fff;border-radius:50%;width:12px;height:12px;position:absolute;bottom:0;right:0;box-shadow:0 0 4px #0000001a}.group-chips{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.chip{background:var(--primary-green);color:#fff;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;display:inline-flex}.chat-resizer{cursor:col-resize;width:4px;transition:var(--transition);-webkit-user-select:none;user-select:none;background:0 0}.chat-resizer:hover{background:var(--primary-green)}.chat-window{background:#fff;flex-direction:column;flex:1;width:100%;height:100%;min-height:0;display:flex;position:relative;overflow:visible}.chat-header{border-bottom:1px solid var(--border-color);background:var(--sidebar-bg);z-index:21;flex-shrink:0;align-items:center;gap:12px;min-height:fit-content;padding:12px 16px;display:flex;position:relative}.chat-header .avatar{width:40px;height:40px;margin:0}.chat-header .user-name{font-size:15px;font-weight:600}.chat-header .user-status{font-size:12px}.chat-header button{cursor:pointer;color:var(--text-primary);transition:var(--transition);border-radius:var(--radius-md);background:0 0;border:none;padding:6px;font-size:18px}.chat-header button:hover{background:var(--hover-bg)}.menu-dropdown{background:var(--app-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:10;min-width:180px;position:absolute;top:45px;right:10px;overflow:hidden}.menu-item{cursor:pointer;color:var(--text-primary);transition:var(--transition);border-bottom:1px solid var(--border-color);padding:12px 16px;font-size:14px}.menu-item:last-child{border-bottom:none}.menu-item:hover{background:var(--hover-bg)}.chat-messages{background-image:url("data:image/svg+xml,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"100\" height=\"100\"><rect fill=\"%23f5f5f5\" width=\"100\" height=\"100\"/><text x=\"50\" y=\"50\" font-size=\"12\" fill=\"%23ddd\" text-anchor=\"middle\" dominant-baseline=\"middle\">Chat_Z</text></svg>");background-size:200px 200px;background-attachment:fixed;flex-direction:column;flex:auto;gap:8px;min-height:0;padding:16px;display:flex;overflow:hidden auto}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:#00a88466;border-radius:4px;transition:background .2s}.chat-messages::-webkit-scrollbar-thumb:hover{background:#00a884b3;box-shadow:0 0 4px #00a8844d}.placeholder-window{background:linear-gradient(135deg,#fff 0%,#f5f5f5 100%);justify-content:center;align-items:center;display:flex;overflow:hidden auto}.placeholder-window::-webkit-scrollbar{width:10px}.placeholder-window::-webkit-scrollbar-track{background:0 0}.placeholder-window::-webkit-scrollbar-thumb{background:#00a88480 padding-box padding-box;border:2px solid #0000;border-radius:5px;transition:background .3s,box-shadow .3s}.placeholder-window::-webkit-scrollbar-thumb:hover{background:#00a884cc padding-box padding-box;border:2px solid #0000;box-shadow:0 0 6px #00a88466}.placeholder-window::-webkit-scrollbar-thumb:active{background:#00a884 padding-box padding-box;border:2px solid #0000}.placeholder-content{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;max-width:600px;padding:40px 20px;display:flex}.placeholder-image{object-fit:cover;border-radius:16px;width:240px;height:240px;box-shadow:0 4px 16px #0000001a}.placeholder-title{color:var(--text-primary);background:linear-gradient(135deg,#00a884 0%,#00c896 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:32px;font-weight:700}.placeholder-subtitle{color:var(--text-secondary);max-width:500px;margin:0;font-size:15px;line-height:1.6}.placeholder-footer{background:#00a88414;border-left:4px solid #00a884;border-radius:8px;margin-top:20px;padding:12px 20px}.placeholder-footer p{color:var(--text-secondary);margin:0;font-size:13px;font-weight:500}.message{word-wrap:break-word;border-radius:var(--radius-lg);flex-direction:column;max-width:60%;padding:8px 12px;font-size:14px;line-height:1.4;animation:.3s ease-in-out fadeIn;display:flex;position:relative}.message.sent{background:var(--primary-green);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.message.received{color:var(--text-primary);border:1px solid var(--border-color);background:#fff;border-bottom-left-radius:4px;align-self:flex-start}.message-quote{cursor:pointer;background:#0000001a;border-left:3px solid #ffffff80;border-radius:4px;max-width:90%;margin-bottom:4px;padding:6px 8px;font-size:12px}.message-quote-sender{opacity:.9;margin-bottom:2px;font-weight:600}.message-time{opacity:.8;text-align:right;margin-top:4px;font-size:11px}.msg-tick{margin-left:4px;font-size:11px}.reply-btn{color:#fff9;cursor:pointer;opacity:0;transition:var(--transition);background:0 0;border:none;font-size:12px;position:absolute;top:5px;right:5px}.message:hover .reply-btn{opacity:1}.chat-input-area{background:var(--sidebar-bg);border-top:1px solid var(--border-color);flex-shrink:0;align-items:flex-end;gap:8px;min-height:60px;padding:12px 16px;display:flex;position:relative}.chat-input-area button{cursor:pointer;color:var(--primary-blue);transition:var(--transition);background:0 0;border:none;flex-shrink:0;font-size:20px}.chat-input-area button:hover{transform:scale(1.1)}.chat-input-area form{width:100%;box-shadow:none;background:0 0;border-radius:0;gap:8px;margin:0;padding:0;display:flex}.chat-input-area .chat-input{resize:none;border-radius:20px;flex:1;max-height:100px;padding:10px 16px;font-size:14px}.send-btn{background:var(--primary-blue);color:#fff;cursor:pointer;width:36px;height:36px;transition:var(--transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.send-btn:hover{background:#0056b3;transform:scale(1.05)}.emoji-button{cursor:pointer;transition:var(--transition);background:0 0;border:none;flex-shrink:0;padding:0;font-size:20px}.emoji-button:hover{transform:scale(1.1)}.emoji-picker-container{z-index:1000;background:var(--app-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);position:absolute;bottom:60px;left:0}.reply-preview{background:var(--hover-bg);border-left:3px solid var(--primary-green);border-radius:var(--radius-md);box-sizing:border-box;justify-content:space-between;align-items:center;gap:8px;width:100%;margin-bottom:0;padding:8px 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h2{color:var(--text-primary);text-align:center;margin:0;font-size:18px}.contact-info-section p{color:var(--text-secondary);text-align:center;margin:0;font-size:13px}.toggle-switch{cursor:pointer;width:54px;height:32px;display:inline-block;position:relative}.toggle-switch input{opacity:0;cursor:pointer;width:0;height:0}.slider{cursor:pointer;transition:var(--transition);background-color:#ccc;border-radius:16px;position:absolute;inset:0}.slider:before{content:"";width:26px;height:26px;transition:var(--transition);background-color:#fff;border-radius:50%;position:absolute;bottom:3px;left:3px}input:checked+.slider{background-color:var(--primary-green)}input:checked+.slider:before{transform:translate(22px)}.profile-container{background:var(--bg-color);justify-content:center;align-items:center;width:100%;height:100vh;padding:20px;display:flex}.profile-card{background:var(--app-bg);border-radius:var(--radius-lg);width:100%;max-width:900px;box-shadow:var(--shadow-lg);flex-direction:column;gap:24px;padding:48px;animation:.5s ease-in-out slideIn;display:flex}.full-width-profile{width:95%;max-width:100%;margin:0 auto}.profile-content-wrapper{flex-direction:column;gap:40px;display:flex}@media (min-width:768px){.profile-content-wrapper{flex-direction:row;align-items:flex-start}.profile-avatar-section{flex-direction:column;flex:0 0 300px;align-items:center;display:flex}.profile-details-section{flex:1}}.profile-header{border-bottom:2px solid var(--border-color);align-items:center;gap:16px;padding-bottom:24px;display:flex}.profile-back-btn{background:var(--hover-bg);cursor:pointer;color:var(--text-primary);border-radius:var(--radius-md);transition:var(--transition);border:none;padding:8px;font-size:24px}.profile-back-btn:hover{background:var(--primary-green);color:#fff}.profile-title{color:var(--text-primary);font-size:28px;font-weight:700}.profile-avatar-container{justify-content:center;display:flex}.profile-avatar{border:4px solid var(--primary-green);object-fit:cover;width:160px;height:160px;box-shadow:var(--shadow-md);transition:var(--transition);cursor:pointer;border-radius:50%}.profile-avatar:hover{box-shadow:var(--shadow-lg);transform:scale(1.05)}.profile-form-group{flex-direction:column;gap:8px;margin-bottom:24px;display:flex}.profile-label{color:var(--primary-green);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:600}.profile-input{border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--input-bg);color:var(--text-primary);transition:var(--transition);outline:none;padding:12px 16px;font-family:inherit;font-size:15px}.profile-input:focus{border-color:var(--primary-green);box-shadow:0 0 0 4px #00a8841f}.profile-save-btn{background:var(--accent-color);color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);border:none;margin-top:16px;padding:14px 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var(--border-color);border-radius:var(--radius-md);transition:var(--transition);justify-content:space-between;align-items:center;margin-bottom:12px;padding:16px;display:flex}.settings-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.settings-item-info{flex:1}.settings-item-label{color:var(--text-primary);margin-bottom:4px;font-size:15px;font-weight:600}.settings-item-description{color:var(--text-secondary);font-size:13px}.settings-item-action{align-items:center;margin-left:16px;display:flex}.settings-btn{border-radius:var(--radius-md);cursor:pointer;text-transform:uppercase;letter-spacing:.5px;transition:var(--transition);border:none;padding:8px 16px;font-size:14px;font-weight:600}.settings-btn.primary{background:var(--primary-green);color:#fff}.settings-btn.primary:hover{background:#069a7f;transform:translateY(-2px)}.settings-btn.danger{color:#fff;background:#ff4d4d}.settings-btn.danger:hover{background:#ff2626;transform:translateY(-2px)}.settings-btn.secondary{background:var(--hover-bg);color:var(--text-primary)}.settings-btn.secondary:hover{background:var(--border-color)}.settings-page-container{background:var(--app-bg);flex-direction:column;min-height:100vh;padding:20px;display:flex}.settings-back-btn{color:var(--primary-green);cursor:pointer;transition:var(--transition);background:0 0;border:none;align-items:center;gap:8px;margin-bottom:20px;padding:8px;font-size:16px;display:inline-flex}.settings-back-btn:hover{color:#069a7f;transform:translate(-4px)}.settings-page-content{width:100%;max-width:900px;margin:0 auto}.settings-page-header{border-bottom:1px solid var(--border-color);margin-bottom:40px;padding-bottom:20px}.settings-page-header h1{color:var(--text-primary);margin:0 0 8px;font-size:32px;font-weight:700}.settings-page-header p{color:var(--text-secondary);margin:0;font-size:16px}.settings-section-box{background:var(--sidebar-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:var(--transition);margin-bottom:24px;padding:24px}.settings-section-box h3{color:var(--text-primary);margin:0 0 16px;font-size:18px;font-weight:700}.settings-toggle-item{border-bottom:1px solid var(--border-color);transition:var(--transition);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.settings-toggle-item:last-child{border-bottom:none}.toggle-info{flex:1}.toggle-info label{color:var(--text-primary);cursor:pointer;z-index:30;margin-bottom:4px;font-size:15px;font-weight:600;display:block;position:sticky;bottom:0}.toggle-info small{color:var(--text-secondary);font-size:13px;display:block}.toggle-switch{width:50px;height:28px;margin-left:16px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background-color:#ccc;border-radius:28px;transition:all .4s;position:absolute;inset:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:22px;height:22px;transition:all .4s;position:absolute;bottom:3px;left:3px}input:checked+.toggle-slider{background-color:var(--primary-green)}input:checked+.toggle-slider:before{box-sizing:border-box;padding-bottom:180px;transform:translate(22px)}.toggle-switch.disabled input:checked+.toggle-slider{background-color:#999}.settings-dropdown-item{border-bottom:1px solid var(--border-color);padding:16px 0}.settings-dropdown-item:last-child{border-bottom:none}.settings-dropdown-item label{color:var(--text-primary);margin-bottom:8px;font-size:15px;font-weight:600;display:block}.settings-dropdown-item select{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--input-bg);width:100%;color:var(--text-primary);cursor:pointer;transition:var(--transition);padding:10px 12px;font-size:14px}.settings-dropdown-item select:hover{border-color:var(--primary-green)}.settings-dropdown-item select:focus{border-color:var(--primary-green);outline:none;box-shadow:0 0 0 3px #00a8841a}.settings-dropdown-item select:disabled{opacity:.6;cursor:not-allowed}.settings-action-btn{background:var(--primary-green);color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);text-align:left;border:none;margin-bottom:8px;padding:12px 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var(--border-color);border-radius:var(--radius-md);transition:var(--transition);justify-content:space-between;align-items:center;padding:12px;display:flex}.blocked-user-info{flex:1}.blocked-user-name{color:var(--text-primary);font-size:15px;font-weight:600}.blocked-user-email{color:var(--text-secondary);margin-top:4px;font-size:13px}.unblock-btn{color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);background:#ff4d4d;border:none;padding:6px 12px;font-size:13px;font-weight:600}.unblock-btn:hover{background:#ff2626}.devices-list{flex-direction:column;gap:12px;display:flex}.device-item{background:var(--app-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition);justify-content:space-between;align-items:center;padding:12px;display:flex}.device-info{flex:1}.device-name{color:var(--text-primary);font-size:15px;font-weight:600}.device-details{color:var(--text-secondary);margin-top:4px;font-size:13px}.logout-device-btn{color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);background:#ff9800;border:none;padding:6px 12px;font-size:13px;font-weight:600}.logout-device-btn:hover{background:#f57c00}.storage-info{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.storage-item{background:var(--app-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:center;padding:16px}.storage-item label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:13px;font-weight:600;display:block}.storage-item span{color:var(--text-primary);font-size:20px;font-weight:700;display:block}.settings-info-box{border-left:4px solid var(--primary-green);border-radius:var(--radius-md);color:var(--text-primary);background:#00a8841a;margin-bottom:16px;padding:12px;font-size:14px;line-height:1.6}.settings-info-text{color:var(--text-secondary);text-align:center;padding:20px;font-size:14px}.settings-success{color:#fff;border-radius:var(--radius-md);background:#4caf50;margin-bottom:16px;padding:12px 16px;font-size:14px;font-weight:600;animation:.3s slideDown}.settings-error{color:#fff;border-radius:var(--radius-md);background:#ff4d4d;margin-bottom:16px;padding:12px 16px;font-size:14px;font-weight:600;animation:.3s slideDown}@keyframes 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40%;min-width:200px}.message{max-width:70%}.contact-info-panel{width:280px}.settings-sidebar{border-right:none;border-bottom:1px solid var(--border-color);flex-wrap:nowrap;width:100%;padding:12px 0;display:flex;overflow:auto hidden}.settings-nav-item{white-space:nowrap;border-bottom:3px solid #0000;border-left:none;border-radius:0;flex-shrink:0;margin:0 4px;padding:12px}.settings-nav-item.active{border-left:none;border-bottom-color:var(--primary-green);border-radius:0}.settings-content{padding:20px}.admin-stats{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){body{overflow:hidden}.chat-layout{flex-direction:column}.chat-list{border-right:none;border-bottom:1px solid var(--border-color);flex:0 0 45%;width:100%;min-width:auto;max-width:none}.chat-resizer{cursor:row-resize;width:100%;height:4px}.chat-window{flex:0 0 55%;width:100%}.contact-info-panel{z-index:30;border-left:1px solid 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12px}.chat-input{padding:8px 12px;font-size:13px}.send-btn{width:32px;height:32px;font-size:14px}form{max-width:100%;padding:32px 20px}.settings-page-container{padding:12px}.settings-page-content{padding:0}.settings-page-header{margin-bottom:24px}.settings-page-header h1{font-size:24px}.settings-section-box{margin-bottom:16px;padding:16px}.settings-toggle-item{padding:12px 0}.toggle-switch{width:44px;height:24px}.toggle-slider:before{width:18px;height:18px}input:checked+.toggle-slider:before{transform:translate(20px)}.password-change-buttons{flex-direction:column}.storage-info{grid-template-columns:1fr}}@media (max-width:600px){.chat-list,.chat-window{flex:0 0 50%}.message{max-width:85%;padding:6px 10px;font-size:13px}.sidebar-header{gap:6px;padding:12px}.sidebar-header button{padding:3px;font-size:16px}.chat-header{gap:6px;padding:8px 12px}.chat-header .user-info .user-name{font-size:14px}.chat-header .user-info 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