.call-overlay{position:fixed;top:20px;right:20px;z-index:9999}.call-card{background:var(--card-bg);color:var(--text-primary);padding:20px;border-radius:12px;box-shadow:0 4px 12px var(--shadow-color);width:250px;text-align:center;border:1px solid var(--border-color)}.call-status{font-size:.9em;color:var(--text-secondary);margin-bottom:10px}.peer-avatar{width:60px;height:60px;background:var(--gradient-primary);border-radius:50%;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff}.peer-name{font-size:1.2em;margin-bottom:15px}.call-timer{font-family:monospace;font-size:1.5em;margin-bottom:15px}.call-actions{display:flex;justify-content:center;gap:15px}.call-btn{border:none;padding:10px 20px;border-radius:20px;cursor:pointer;font-weight:700;color:#fff;transition:transform .1s}.call-btn:active{transform:scale(.95)}.call-btn.accept{background:var(--success-color)}.call-btn.reject{background:var(--error-color)}.call-btn.end{background:var(--error-color);width:100%}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--gradient-primary);transition:background .3s ease}.auth-card{background:var(--card-bg);padding:3rem;border-radius:12px;box-shadow:0 10px 40px var(--shadow-color);width:100%;max-width:420px;transition:background-color .3s ease,box-shadow .3s ease}.auth-card h1{margin:0 0 .5rem;font-size:2rem;color:var(--text-primary);text-align:center}.auth-card h2{margin:0 0 2rem;font-size:1.25rem;color:var(--text-secondary);font-weight:400;text-align:center}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-primary);font-weight:500;font-size:.95rem}.form-group input{width:100%;padding:.75rem;border:2px solid var(--input-border);border-radius:8px;font-size:1rem;transition:border-color .2s,background-color .3s ease;box-sizing:border-box;background-color:var(--input-bg);color:var(--text-primary)}.form-group input::placeholder{color:var(--text-muted)}.form-group input:focus{outline:none;border-color:var(--accent-color)}.form-group input:disabled{background-color:var(--hover-bg);cursor:not-allowed}.btn-primary{width:100%;padding:.875rem;background:var(--gradient-primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s,opacity .2s}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px var(--shadow-color);opacity:.9}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-message{background-color:var(--error-bg);color:var(--error-color);padding:.875rem;border-radius:8px;margin-bottom:1.5rem;font-size:.95rem;border-left:4px solid var(--error-color)}.auth-switch{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.95rem}.link-button{background:none;border:none;color:var(--accent-color);cursor:pointer;font-weight:600;padding:0;text-decoration:none}.link-button:hover{text-decoration:underline}.password-wrapper{position:relative;display:flex;align-items:center}.password-wrapper input{padding-right:40px}.password-toggle{position:absolute;right:10px;background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);opacity:.7;transition:opacity .2s}.password-toggle:hover{opacity:1}.remember-me{margin-bottom:1.25rem}.checkbox-label{display:flex;flex-direction:row;align-items:center;gap:10px;cursor:pointer;font-size:.9rem;font-weight:400;color:var(--text-secondary);-webkit-user-select:none;user-select:none;line-height:18px}.checkbox-label input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:18px;height:18px;min-width:18px;flex-shrink:0;margin:0;border:2px solid var(--input-border);border-radius:4px;background-color:var(--input-bg);cursor:pointer;position:relative;transition:border-color .2s,background-color .2s}.checkbox-label input[type=checkbox]:checked{background-color:var(--accent-color);border-color:var(--accent-color)}.checkbox-label input[type=checkbox]:checked:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:2px solid #fff;border-top:none;border-left:none;transform:rotate(45deg)}.checkbox-label input[type=checkbox]:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.checkbox-label input[type=checkbox]:disabled{cursor:not-allowed;opacity:.5}.checkbox-label:has(input:disabled){cursor:not-allowed;opacity:.6}[data-theme=hacker] .auth-container{background:var(--bg-primary)}[data-theme=hacker] .auth-card{border-radius:0;box-shadow:none;border:1px dashed var(--accent-color)}[data-theme=hacker] .auth-card h2{font-family:var(--font-terminal);text-transform:uppercase;font-weight:400}[data-theme=hacker] .auth-card p{font-family:var(--font-terminal)}[data-theme=hacker] .form-group label{font-family:var(--font-terminal);text-transform:uppercase}[data-theme=hacker] .form-group input{border-radius:0;border:1px solid var(--accent-color);font-family:var(--font-terminal);background-color:transparent}[data-theme=hacker] .form-group input:focus{outline:none;border-color:var(--text-primary);background-color:#00ff000d}[data-theme=hacker] .btn-primary{border-radius:0;background:transparent;color:var(--accent-color);border:1px solid var(--accent-color);font-family:var(--font-terminal);text-transform:uppercase;font-weight:400;box-shadow:none}[data-theme=hacker] .btn-primary:not(:disabled):hover{background:var(--accent-color);color:var(--bg-primary);transform:none;box-shadow:none}[data-theme=hacker] .auth-switch{font-family:var(--font-terminal)}[data-theme=hacker] .link-button{font-family:var(--font-terminal);font-weight:400;text-transform:uppercase;text-decoration:none}[data-theme=hacker] .link-button:before{content:"[ ";color:var(--accent-color)}[data-theme=hacker] .link-button:after{content:" ]";color:var(--accent-color)}[data-theme=hacker] .link-button:hover{text-decoration:none;background-color:var(--accent-color);color:var(--bg-primary)}.control-panel{display:flex;flex-direction:row;align-items:center;gap:.5rem;position:relative}.control-btn{background:transparent;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;width:36px;height:36px;transition:background-color .2s}.control-btn:hover{background-color:var(--hover-bg)}.control-btn svg{width:20px;height:20px}.lang-btn{font-weight:700;font-size:.8rem}.logout-btn{color:var(--error-color)}.settings-popover{position:absolute;top:100%;right:0;background:var(--card-bg);border:1px solid var(--border-color);padding:1rem;border-radius:8px;box-shadow:0 4px 12px var(--shadow-color);z-index:1000;width:200px}.image-modal-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.image-modal-content{position:relative;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center}.image-modal-image{max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px;box-shadow:0 4px 20px #00000080;-webkit-user-select:none;user-select:none}.image-modal-header{position:absolute;top:-40px;right:-20px;display:flex;gap:12px}.image-modal-btn{background:#ffffff1a;color:#fff;border:none;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,transform .1s;text-decoration:none;font-size:1.1rem}.image-modal-btn:hover{background:#ffffff40;transform:scale(1.05)}.image-modal-btn:active{transform:scale(.95)}@media (max-width: 768px){.image-modal-header{top:10px;right:10px}}.chat-container{display:flex;height:100%;background-color:var(--bg-primary);transition:background-color .3s ease}.sidebar{width:320px;background-color:var(--card-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:background-color .3s ease,border-color .3s ease}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.sidebar-header h2{margin:0;font-size:1.5rem;color:var(--text-primary)}.logout-button{padding:.5rem 1rem;background-color:#f44336;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.logout-button:hover{background-color:#d32f2f}.conversation-list{flex:1;overflow-y:auto;display:flex;flex-direction:column}.conversation-list-header{padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color)}.conversation-list-header h2{margin:0;font-size:1.25rem;color:var(--text-primary)}.new-chat-button{width:36px;height:36px;border-radius:50%;background:var(--gradient-primary);color:#fff;border:none;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,opacity .2s}.new-chat-button:hover{transform:scale(1.05);opacity:.9}.conversations{flex:1;overflow-y:auto}.empty-conversations{padding:3rem 1.5rem;text-align:center;color:var(--text-muted)}.conversation-item{display:flex;padding:1rem 1.5rem;cursor:pointer;transition:background-color .2s;border-bottom:1px solid var(--border-color)}.conversation-item:hover{background-color:var(--hover-bg)}.conversation-item.active{background-color:var(--active-bg)}.conversation-avatar{width:48px;height:48px;border-radius:50%;background:var(--gradient-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.25rem;flex-shrink:0}.conversation-details{flex:1;margin-left:1rem;min-width:0}.conversation-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:.25rem}.conversation-details h4{margin:0;font-size:1rem;color:var(--text-primary);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-meta{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.conversation-time{font-size:.75rem;color:var(--text-muted);flex-shrink:0}.unread-badge{background:var(--gradient-primary);color:#fff;font-size:.7rem;font-weight:600;padding:.125rem .4rem;border-radius:10px;min-width:18px;text-align:center;line-height:1.2}.conversation-item.unread .conversation-details h4{font-weight:700;color:var(--text-primary)}.conversation-item.unread .conversation-preview{color:var(--text-primary);font-weight:500}.conversation-item.unread .conversation-time{color:var(--accent-color);font-weight:500}.conversation-preview{margin:0;font-size:.9rem;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-window{flex:1;display:flex;flex-direction:column;background-color:var(--bg-primary);transition:background-color .3s ease;min-width:0;overflow:hidden}.chat-header{padding:1rem 1.5rem;background-color:var(--card-bg);border-bottom:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease;display:flex;align-items:center;justify-content:space-between}.chat-header-info{display:flex;align-items:center;overflow:hidden;flex:1}.chat-info-text{display:flex;flex-direction:column}.chat-header h3{margin:0;font-size:1.1rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-controls{display:flex;align-items:center;margin-left:1rem}.status-indicator{font-size:.875rem;color:var(--text-muted)}.status-indicator.online{color:var(--success-color)}.status-indicator.offline{color:var(--text-muted)}.messages-container{flex:1;overflow-y:auto;padding:1.5rem}.empty-state,.no-messages{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);text-align:center}.empty-state h2{margin:0 0 .5rem;color:var(--text-secondary)}.message{display:flex;margin-bottom:1rem}.message-sent{justify-content:flex-end}.message-received{justify-content:flex-start}.message-content{max-width:70%;padding:.75rem 1rem;border-radius:12px;position:relative}.message-sent .message-content{background:var(--message-sent-bg);color:#fff;border-bottom-right-radius:4px}.message-received .message-content{background-color:var(--message-received-bg);color:var(--text-primary);border-bottom-left-radius:4px;box-shadow:0 1px 2px var(--shadow-color)}.message-sender{font-size:.8rem;font-weight:600;margin-bottom:.25rem;color:var(--accent-color)}.message-text{word-wrap:break-word;overflow-wrap:anywhere;word-break:break-word;white-space:pre-wrap;line-height:1.4;min-width:0}.message-time{font-size:.7rem;margin-top:.25rem;opacity:.7}.message-input-container{background-color:var(--card-bg);border-top:1px solid var(--border-color);display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;transition:background-color .3s ease,border-color .3s ease}.input-field-wrapper{flex:1;position:relative;display:flex;align-items:center;border:2px solid var(--input-border);border-radius:24px;background-color:var(--input-bg);transition:border-color .2s,background-color .3s ease;padding:.25rem .5rem}.input-field-wrapper:focus-within{border-color:var(--accent-color)}.emoji-picker-wrapper{position:relative;display:flex;align-items:center}.emoji-button{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .2s,opacity .2s;opacity:.5}.emoji-button:hover{opacity:.8;color:var(--text-primary)}.emoji-button:active{opacity:1}.emoji-picker{position:absolute;bottom:50px;left:0;z-index:10;box-shadow:0 12px 32px var(--shadow-color);border-radius:16px;overflow:hidden}.message-input{flex:1;padding:.625rem .5rem;border:none;background:transparent;font-size:1rem;font-family:inherit;outline:none;color:var(--text-primary);resize:none;min-height:44px;max-height:120px;width:100%;line-height:1.5;-ms-overflow-style:none;scrollbar-width:none}.message-input::-webkit-scrollbar{display:none}.message-input::placeholder{color:var(--text-muted)}.send-button{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--accent-color);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .2s,transform .2s;opacity:.5;padding:0}.send-button:hover:not(:disabled){opacity:.8;transform:scale(1.05)}.send-button:active:not(:disabled){opacity:1;transform:scale(.95)}.send-button:disabled{opacity:.3;cursor:not-allowed}.loading-state{padding:2rem;text-align:center;color:var(--text-muted)}.btn-secondary{padding:.75rem 1.5rem;background-color:var(--hover-bg);color:var(--text-primary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;font-size:1rem;transition:background-color .2s}.btn-secondary:hover{background-color:var(--active-bg)}.attachment-button-wrapper{display:flex;align-items:center;justify-content:center}.attachment-button{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .2s,opacity .2s;opacity:.5;padding:0;margin-bottom:2px}.attachment-button:hover{opacity:.8;color:var(--text-primary)}.attachment-button:active{opacity:1}.paperclip-icon{width:20px;height:20px}.selected-file-preview{position:absolute;bottom:100%;left:0;right:0;background-color:var(--card-bg);border:1px solid var(--border-color);padding:.5rem 1rem;display:flex;align-items:center;gap:8px;justify-content:space-between;border-radius:8px 8px 0 0;font-size:.9rem;color:var(--text-primary);z-index:10}.clear-file-btn{background:none;border:none;color:var(--text-muted);font-size:1.25rem;cursor:pointer;padding:0 .25rem}.clear-file-btn:hover{color:var(--error-color)}.call-button{background:none;border:none;cursor:pointer;margin-left:auto;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background-color .2s}.call-button:hover{background-color:var(--hover-bg)}.message-attachment{margin-bottom:.5rem;max-width:100%}.attachment-image{max-width:300px;max-height:300px;border-radius:8px;object-fit:contain;cursor:pointer}.attachment-video{max-width:320px;max-height:240px;border-radius:8px;display:block;background:#000}.attachment-file{background-color:#0000000d;padding:.75rem;border-radius:8px;display:flex;align-items:center;overflow-wrap:anywhere;word-break:break-word}.attachment-file a{color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:.5rem;overflow-wrap:anywhere;word-break:break-word}.attachment-file a:hover{text-decoration:underline}.message-sent .attachment-file{background-color:#fff3}.message-sent .attachment-file a{color:#fff}.mobile-back-button{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;margin-right:.5rem;padding:0;line-height:1}@media (max-width: 768px){.chat-container{position:relative;overflow:hidden}.sidebar{width:100%;height:100%;position:absolute;top:0;left:0;z-index:10}.chat-window{width:100%;height:100%;position:absolute;top:0;left:0;z-index:5}.chat-container:not(.conversation-active) .chat-window{display:none}.chat-container.conversation-active .sidebar{display:none}.chat-container.conversation-active .chat-window{display:flex;z-index:20}.sidebar-header,.conversation-list-header,.chat-header{padding:1rem}.message-input-container{padding:0}.message-input-row{padding:.75rem}.message{max-width:85%}.theme-toggle{top:.8rem;right:.8rem;width:36px;height:36px}.theme-toggle svg{width:20px;height:20px}.mobile-back-button{display:inline-block}}.message-context-menu{position:fixed;z-index:1000;background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 16px var(--shadow-color);min-width:160px;overflow:hidden;display:flex;flex-direction:column}.context-menu-item{padding:.6rem 1rem;background:none;border:none;text-align:left;cursor:pointer;color:var(--text-primary);font-size:.9rem;transition:background-color .15s;white-space:nowrap}.context-menu-item:hover{background-color:var(--hover-bg)}.context-menu-item--danger{color:var(--error-color)}.context-menu-item--danger:hover{background-color:var(--error-bg)}.edit-mode-banner{width:100%;padding:.4rem 1rem;background-color:var(--hover-bg);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--accent-color);border-radius:0}.cancel-edit-btn{background:none;border:none;color:var(--text-muted);font-size:1rem;cursor:pointer;line-height:1;padding:0}.cancel-edit-btn:hover{color:var(--text-primary)}.message-input-row{display:flex;gap:1rem;align-items:flex-end;padding:1rem 1.5rem;width:100%}.message-edited-label{font-size:.7rem;opacity:.65;margin-left:2px}.message-deleted-text{opacity:.55;font-style:italic;font-size:.9rem}.reply-mode-banner{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--bg-tertiary, darkgreen);border-left:4px solid var(--accent-color, #007bff);border-radius:4px;margin-bottom:8px;font-size:.9em;width:100%;box-sizing:border-box}.reply-content-preview{display:flex;flex-direction:column;overflow:hidden;width:90%}.reply-sender{font-weight:700;font-size:.85em;color:var(--accent-color, #007bff)}.reply-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-muted, #6c757d)}.cancel-reply-btn{background:none;border:none;cursor:pointer;color:var(--text-muted, #6c757d);font-size:1.2em;padding:0 4px}.cancel-reply-btn:hover{color:var(--text-primary, #212529)}.message-replied-to{margin-bottom:4px;padding:4px 8px;background:var(--bg-secondary, rgba(0, 0, 0, .18));border-left:3px solid var(--accent-color, #007bff);border-radius:4px;font-size:.85em;cursor:pointer;display:flex;flex-direction:column;text-indent:0}.replied-sender{font-weight:700;color:var(--accent-color, #007bff);margin-bottom:2px;text-indent:0}.replied-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.8;text-indent:0}[data-theme=hacker] .message-replied-to{text-indent:0;display:block;border-left:2px solid var(--accent-color);background:#001400bf;border-radius:0;padding:3px 6px;margin-bottom:4px;font-family:var(--font-terminal)}[data-theme=hacker] .replied-sender{text-indent:0;display:inline;font-weight:700;color:var(--accent-color)}[data-theme=hacker] .replied-text{text-indent:0;display:inline;opacity:.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}[data-theme=hacker] .message{margin-bottom:.4rem}[data-theme=hacker] .message-sent{justify-content:flex-start}[data-theme=hacker] .message-content{max-width:100%;padding:0 0 0 2rem;text-indent:-2rem;border-radius:0;background:transparent;color:var(--accent-color);box-shadow:none;display:block}[data-theme=hacker] .message-sent .message-content{background:transparent;color:#00ff00bf;border-radius:0}[data-theme=hacker] .message-received .message-content{background:transparent;color:var(--accent-color);border-radius:0;box-shadow:none}[data-theme=hacker] .message-sender{display:none}[data-theme=hacker] .message-header{display:inline;font-family:var(--font-terminal);font-weight:700;color:#00ff00a6;margin-right:.5rem;white-space:nowrap}[data-theme=hacker] .message-sent .message-header{color:#00ff008c}[data-theme=hacker] .message-text{font-family:var(--font-terminal);display:inline}[data-theme=hacker] .message-time{display:none}[data-theme=hacker] .input-field-wrapper{border-radius:2px;border:1px dashed var(--accent-color);background-color:#001a0080}[data-theme=hacker] .input-field-wrapper:focus-within{border-style:solid;box-shadow:0 0 8px #00ff004d}[data-theme=hacker] .message-input{font-family:var(--font-terminal)}[data-theme=hacker] .sidebar{border-right:1px dashed var(--accent-color)}[data-theme=hacker] .sidebar-header{border-bottom:1px dashed var(--accent-color)}[data-theme=hacker] .sidebar-header h2,[data-theme=hacker] .conversation-list-header h2{font-family:var(--font-terminal);text-transform:uppercase;font-weight:400}[data-theme=hacker] .new-chat-button{border-radius:0;border:1px solid var(--accent-color);background:transparent;color:var(--accent-color);font-family:var(--font-terminal)}[data-theme=hacker] .new-chat-button:hover{background:var(--accent-color);color:var(--bg-primary)}[data-theme=hacker] .conversation-item{border-bottom:1px dashed var(--accent-color);font-family:var(--font-terminal);padding:.25rem .5rem}[data-theme=hacker] .conversation-avatar{display:none}[data-theme=hacker] .conversation-details{margin-left:0}[data-theme=hacker] .conversation-details h4{font-family:var(--font-terminal);font-weight:400}[data-theme=hacker] .conversation-time,[data-theme=hacker] .conversation-preview{font-family:var(--font-terminal)}[data-theme=hacker] 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.4);--message-sent-bg: transparent;--message-received-bg: transparent;--hover-bg: rgba(0, 255, 0, .15);--active-bg: rgba(0, 255, 0, .25);--shadow-color: rgba(0, 255, 0, .1);--error-bg: rgba(255, 102, 102, .15);--error-color: #ff6666;--success-color: #00ff00;--scrollbar-track: #000000;--scrollbar-thumb: #008800;--gradient-primary: #00ff00;--font-terminal: "Courier New", Courier, monospace;--bg-tertiary: darkgreen}[data-theme=dark]{--bg-primary: #061E29;--bg-secondary: #1D546D;--accent-color: #5F9598;--text-primary: #F3F4F4;--text-secondary: rgba(243, 244, 244, .7);--text-muted: rgba(243, 244, 244, .5);--border-color: rgba(95, 149, 152, .3);--card-bg: #1D546D;--input-bg: #061E29;--input-border: rgba(95, 149, 152, .4);--message-sent-bg: linear-gradient(135deg, #5F9598 0%, #1D546D 100%);--message-received-bg: #1D546D;--hover-bg: rgba(95, 149, 152, .15);--active-bg: rgba(95, 149, 152, .25);--shadow-color: rgba(0, 0, 0, .3);--error-bg: rgba(244, 67, 54, .15);--error-color: #ff6b6b;--success-color: #4caf50;--scrollbar-track: #061E29;--scrollbar-thumb: #5F9598;--gradient-primary: linear-gradient(135deg, #5F9598 0%, #1D546D 100%);--bg-tertiary: #darkslategray}[data-theme=light]{--bg-primary: #FFF2F2;--bg-secondary: #A9B5DF;--accent-color: #7886C7;--text-primary: #2D336B;--text-secondary: rgba(45, 51, 107, .8);--text-muted: rgba(45, 51, 107, .5);--border-color: rgba(120, 134, 199, .3);--card-bg: #ffffff;--input-bg: #ffffff;--input-border: rgba(120, 134, 199, .4);--message-sent-bg: linear-gradient(135deg, #7886C7 0%, #2D336B 100%);--message-received-bg: #ffffff;--hover-bg: rgba(120, 134, 199, .1);--active-bg: rgba(120, 134, 199, .2);--shadow-color: rgba(45, 51, 107, .1);--error-bg: rgba(244, 67, 54, .1);--error-color: #c33;--success-color: #4caf50;--scrollbar-track: #FFF2F2;--scrollbar-thumb: #7886C7;--gradient-primary: linear-gradient(135deg, #7886C7 0%, #2D336B 100%);--bg-tertiary: 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p{font-size:1.125rem}.user-status{font-size:.875rem;color:var(--success-color);font-weight:500}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}.app-layout{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden;background-color:var(--bg-primary)}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);height:60px;flex-shrink:0;z-index:100}.top-bar-branding{display:flex;align-items:center;gap:.5rem}.top-bar-branding h1{margin:0;font-size:1.25rem;color:var(--text-primary);font-weight:600}.android-download{display:flex;align-items:center;color:var(--text-secondary);opacity:.7;transition:opacity 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