:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--tg-bg:#0a0a0a;--tg-sidebar:#1f1f1f;--tg-header:#2c2c2c;--tg-hover:#2a2a2a;--tg-text:#e1e1e1;--tg-text-secondary:#8e8e8e;--tg-accent:#2b5278;--tg-accent-hover:#2c6e9e;--tg-online:#2ecc71;--tg-border:#2c2c2c;--tg-message-bg:#2c2c2c;--tg-message-out:#2b5278}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;height:-webkit-fill-available;position:fixed;inset:0;overflow:hidden}body{background:var(--tg-bg);color:var(--tg-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}.main-layout{flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.content{background:var(--tg-bg);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.chats-list-container{flex-direction:column;height:100%;display:flex;overflow:hidden}.chats-header{background:var(--tg-sidebar);border-bottom:1px solid var(--tg-border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.chats-header h2{font-size:20px;font-weight:600}.new-chat-mobile{color:var(--tg-text);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:background .1s;display:flex}.new-chat-mobile:hover{background:var(--tg-hover)}.search{background:var(--tg-sidebar);border-bottom:1px solid var(--tg-border);flex-shrink:0;padding:12px 16px}.search input{width:100%;color:var(--tg-text);background:#2c2c2c;border:none;border-radius:24px;outline:none;padding:8px 16px;font-size:14px}.chat-list{flex:1;min-height:0;overflow-y:auto}.chat-item{cursor:pointer;align-items:center;gap:12px;padding:12px 16px;transition:background .1s;display:flex}.chat-item:hover{background:var(--tg-hover)}.chat-avatar{color:#fff;background:#3a3a3a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;font-weight:700;display:flex}.chat-info{flex:1;min-width:0}.chat-title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-weight:500;overflow:hidden}.chat-last-message{color:var(--tg-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.chat-time{color:var(--tg-text-secondary);flex-shrink:0;font-size:11px}.chat-window{flex-direction:column;height:100%;min-height:0;display:flex;overflow:hidden}.chat-header{background:var(--tg-sidebar);border-bottom:1px solid var(--tg-border);z-index:10;flex-shrink:0;align-items:center;gap:12px;padding:12px 20px;display:flex}.back-button{color:var(--tg-text);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;margin-right:4px;transition:background .1s;display:flex}.back-button:hover{background:var(--tg-hover)}.chat-header .avatar{background:#3a3a3a;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:700;display:flex}.chat-header-info{flex:1}.chat-header-title{margin-bottom:4px;font-weight:600}.chat-header-status{color:var(--tg-text-secondary);font-size:12px}.message-list{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:8px;min-height:0;padding:16px 20px;display:flex;overflow-y:auto}.message{max-width:70%;margin-bottom:4px;display:flex}.message-own{align-self:flex-end}.message-other{align-self:flex-start}.message-bubble{background:var(--tg-message-bg);border-radius:18px;padding:8px 12px;font-size:14px;line-height:1.4;position:relative}.message-own .message-bubble{background:var(--tg-message-out);border-bottom-right-radius:4px}.message-other .message-bubble{border-bottom-left-radius:4px}.message-sender{color:var(--tg-text-secondary);margin-bottom:2px;font-size:12px;font-weight:600}.message-text{word-break:break-word}.message-time{color:var(--tg-text-secondary);text-align:right;margin-top:2px;font-size:10px}.message-input-container{background:var(--tg-sidebar);border-top:1px solid var(--tg-border);flex-shrink:0;align-items:flex-end;gap:12px;padding:16px 20px;display:flex}.message-input-container textarea{color:var(--tg-text);resize:none;background:#2c2c2c;border:none;border-radius:24px;outline:none;flex:1;max-height:120px;padding:10px 16px;font-family:inherit;font-size:15px;line-height:1.4}.message-input-container button{background:var(--tg-accent);cursor:pointer;color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:background .2s;display:flex}.message-input-container button:hover{background:var(--tg-accent-hover)}.message-input-container button:active{transform:scale(.95)}.no-chat-selected{height:100%;color:var(--tg-text-secondary);text-align:center;justify-content:center;align-items:center;padding:20px;font-size:16px;display:flex}.mobile-bottom-nav{background:var(--tg-sidebar);border-top:1px solid var(--tg-border);z-index:100;justify-content:space-around;align-items:center;height:60px;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--tg-text-secondary);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;padding:8px 0;font-size:12px;transition:color .2s;display:flex}.nav-item.active{color:var(--tg-accent)}.user-search{flex-direction:column;gap:16px;height:100%;padding:20px;display:flex;overflow-y:auto}.user-search h2{margin-bottom:8px}.user-search .search-container{gap:8px;display:flex}.user-search .search-container input{color:var(--tg-text);background:#2c2c2c;border:none;border-radius:24px;outline:none;flex:1;padding:10px 16px;font-size:16px}.user-search .search-container button{background:var(--tg-accent);color:#fff;cursor:pointer;border:none;border-radius:24px;padding:0 20px;font-weight:700}.user-list{margin:0;padding:0;list-style:none}.user-list li{cursor:pointer;border-radius:8px;margin-bottom:4px;padding:12px;transition:background .1s}.user-list li:hover{background:var(--tg-hover)}.profile-settings{width:100%;max-width:600px;height:100%;margin:0 auto;padding:24px;overflow-y:auto}.profile-header{flex-direction:column;align-items:center;margin-bottom:32px;display:flex}.avatar-wrapper{margin-bottom:16px;position:relative}.profile-avatar{color:#fff;background:#3a3a3a;border-radius:50%;justify-content:center;align-items:center;width:100px;height:100px;font-size:48px;font-weight:500;display:flex;overflow:hidden}.profile-avatar img{object-fit:cover;width:100%;height:100%}.avatar-placeholder{background:var(--tg-accent);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.change-avatar-btn{background:var(--tg-accent);cursor:pointer;color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:background .2s;display:flex;position:absolute;bottom:4px;right:4px}.change-avatar-btn:hover{background:var(--tg-accent-hover)}.profile-username{font-size:20px;font-weight:600}.settings-list{flex-direction:column;gap:16px;display:flex}.setting-item{background:var(--tg-sidebar);border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px;display:flex}.setting-label{align-items:center;gap:12px;font-weight:500;display:flex}.setting-icon{color:var(--tg-text-secondary)}.setting-value{align-items:center;gap:12px;display:flex}.edit-btn{color:var(--tg-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;transition:background .2s,color .2s;display:flex}.edit-btn:hover{background:var(--tg-hover);color:var(--tg-text)}.setting-edit{align-items:center;gap:8px;display:flex}.setting-edit input{color:var(--tg-text);background:#2c2c2c;border:none;border-radius:24px;outline:none;padding:8px 16px;font-size:14px}.setting-edit button{background:var(--tg-accent);color:#fff;cursor:pointer;border:none;border-radius:24px;padding:6px 12px}.logout{margin-top:24px}.logout-btn{color:#ff5c5c;cursor:pointer;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px;font-size:16px;transition:background .2s;display:flex}.logout-btn:hover{background:#ff5c5c1a}.profile-error{color:#ff5c5c;text-align:center;margin-top:16px}.profile-success{color:#2ecc71;text-align:center;margin-top:16px}@media (width<=768px){.profile-settings{padding:16px}.profile-avatar{width:80px;height:80px;font-size:36px}.change-avatar-btn{width:28px;height:28px}.setting-item{flex-direction:column;align-items:flex-start}.setting-value{justify-content:space-between;width:100%}}.auth-page{background:var(--tg-bg);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--tg-sidebar);border-radius:24px;width:100%;max-width:400px;padding:32px;box-shadow:0 8px 24px #0003}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo h1{color:var(--tg-text);margin-top:12px;font-size:24px;font-weight:500}.auth-card form{flex-direction:column;gap:16px;display:flex}.auth-card input{color:var(--tg-text);background:#2c2c2c;border:none;border-radius:12px;outline:none;padding:14px 16px;font-size:16px;transition:background .2s}.auth-card input:focus{background:#3a3a3a}.auth-card button{background:var(--tg-accent);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:14px;font-size:16px;font-weight:500;transition:background .2s}.auth-card button:hover:not(:disabled){background:var(--tg-accent-hover)}.auth-card button:disabled{opacity:.6;cursor:not-allowed}.auth-card .error{color:#ff5c5c;text-align:center;margin-top:8px;font-size:14px}.auth-footer{text-align:center;color:var(--tg-text-secondary);margin-top:24px;font-size:14px}.auth-footer a{color:var(--tg-accent);font-weight:500;text-decoration:none}.auth-footer a:hover{text-decoration:underline}