@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap);body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#1a1a2e;color:#e6e6e6;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{box-sizing:border-box}:root{--secondary-color:#4b3f8a;--accent-color:#7b68ee;--success-color:#4caf50;--danger-color:#f44336;--box-shadow:0 4px 6px #0000001a;--transition:color 0.3s ease,background-color 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease}.layout{background-color:#f7f7f7;background-color:var(--bg-color,#f7f7f7);display:flex;flex-direction:column;height:100vh;transition:background-color .3s}.header{background-color:#8b572a;background-color:var(--header-bg-color,#8b572a);box-shadow:0 2px 4px #0000001a;color:#fff;justify-content:space-between;padding:10px 20px;z-index:1000}.header,.header-left{align-items:center;display:flex}.app-logo{height:40px;margin-right:10px}.header-right{align-items:center;display:flex}.user-icon{cursor:pointer;font-size:20px;margin-left:20px;transition:color .2s}.user-icon:hover{color:#fffc}.user-icon-styled{align-items:center;background-color:#fff;border-radius:50%;box-shadow:0 2px 4px #0000001a;color:#8b572a;cursor:pointer;display:flex;font-size:18px;height:36px;justify-content:center;transition:all .2s ease;width:36px}.user-icon-styled:hover{box-shadow:0 4px 8px #00000026;transform:scale(1.05)}.settings-container{position:relative}.settings-dropdown{animation:dropdownFadeIn .2s ease-out;background-color:#fff;background-color:var(--bg-color,#fff);border-radius:8px;box-shadow:0 4px 12px #00000026;overflow:hidden;position:absolute;right:0;top:45px;width:200px;z-index:1000}@keyframes 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.2s}.close-button:hover{color:#8b572a;color:var(--accent-color,#8b572a)}.popup-body{color:#333;color:var(--text-color,#333);padding:20px}.theme-dark .popup-content{background-color:#2d2d2d}.theme-dark .popup-header{border-bottom:1px solid #3d3d3d}.theme-dark .popup-header h3{color:#e4e4e4}.theme-dark .close-button{color:#aaa}.theme-dark .close-button:hover{color:#fff}.theme-dark .popup-body{color:#e4e4e4}@media (max-width:768px){.content{padding:15px}.popup-content{width:95%}}.auth-layout{background-color:#f7f7f7;background-color:var(--bg-color,#f7f7f7);height:100vh;justify-content:center}.auth-layout,.theme-toggle{align-items:center;display:flex}.theme-toggle{margin-right:1rem}.theme-toggle-container{align-items:center;display:flex;justify-content:center}.theme-icon{font-size:1rem;margin:0 8px;opacity:.7;transition:opacity .3s 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4px}}.profile-modal-overlay{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.profile-modal{animation:modal-appear .3s ease-out;background-color:#fff;background-color:var(--card-bg,#fff);border-radius:12px;box-shadow:0 8px 30px #0000001f;max-height:90vh;max-width:600px;overflow-y:auto;width:90%}@keyframes modal-appear{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.profile-modal-header{align-items:center;border-bottom:1px solid #eaeaea;border-bottom:1px solid var(--border-color,#eaeaea);display:flex;justify-content:space-between;padding:20px 24px}.profile-modal-header h2{color:#333;color:var(--text-color,#333);font-size:1.5rem;margin:0}.profile-modal-header .close-button{align-items:center;background:none;border:none;border-radius:50%;color:#666;color:var(--text-secondary,#666);cursor:pointer;display:flex;font-size:1.2rem;justify-content:center;padding:5px;transition:background-color .2s}.profile-modal-header .close-button:hover{background-color:#f5f5f5;background-color:var(--hover-bg,#f5f5f5);color:#333;color:var(--text-color,#333)}.profile-modal-content{padding:24px}.profile-loading{align-items:center;color:#666;color:var(--text-secondary,#666);display:flex;flex-direction:column;justify-content:center;padding:40px}.profile-loading svg{color:#4a90e2;color:var(--primary-color,#4a90e2);font-size:2rem;margin-bottom:16px}.profile-alert{align-items:center;border-radius:8px;display:flex;margin-bottom:20px;padding:12px 16px}.profile-alert svg{font-size:1.1rem;margin-right:12px}.profile-alert.error{background-color:#f443361a;color:#d32f2f}.profile-alert.success{background-color:#4caf501a;color:#388e3c}.avatar-section{align-items:center;display:flex;margin-bottom:24px}.avatar-container{height:100px;margin-right:20px;position:relative;width:100px}.avatar-image{border:3px solid #4a90e2;border:3px solid var(--primary-color,#4a90e2);border-radius:50%;height:100%;object-fit:cover;width:100%}.avatar-placeholder{background-color:#e3f2fd;background-color:var(--primary-light,#e3f2fd);color:#4a90e2;color:var(--primary-color,#4a90e2);font-size:2.5rem;height:100%;width:100%}.avatar-placeholder,.avatar-upload-button{align-items:center;border-radius:50%;display:flex;justify-content:center}.avatar-upload-button{background-color:#4a90e2;background-color:var(--primary-color,#4a90e2);bottom:0;box-shadow:0 2px 5px #0003;color:#fff;cursor:pointer;height:32px;position:absolute;right:0;transition:background-color 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(max-width:600px){.form-row{flex-direction:column;gap:0}.avatar-section{flex-direction:column;text-align:center}.avatar-container{margin-bottom:16px;margin-right:0}.form-actions{flex-direction:column-reverse}.cancel-button,.save-button{width:100%}}.auth-container{align-items:center;background-color:#f5f5f5;display:flex;justify-content:center;min-height:100vh}.auth-card{background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;max-width:400px;padding:2rem;width:100%}.auth-logo{align-items:center;display:flex;justify-content:center;margin-bottom:1.5rem}.auth-logo img{height:40px;margin-right:10px;width:40px}.auth-logo h1{color:#333;font-size:1.8rem;margin:0}.auth-card h2{color:#333;margin-bottom:1.5rem;text-align:center}.form-group{margin-bottom:1.2rem}.form-group label{color:#555;display:block;font-weight:500;margin-bottom:.5rem}.form-group input{border:1px solid #ddd;border-radius:4px}.auth-button,.form-group 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slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{background-color:#8b572a;background-color:var(--header-bg-color);box-shadow:0 1px 3px #0000001a;color:#fff;font-weight:500;padding:12px 16px;z-index:10}.chat-header-content{align-items:center;display:flex;justify-content:space-between}.chat-logo{height:30px;margin-right:12px}.chat-controls,.control-button{align-items:center;display:flex}.control-button{background:none;background-color:#fff3;border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:1rem;height:36px;justify-content:center;margin-left:10px;transition:all .2s ease;width:36px}.control-button:hover{background-color:#ffffff4d;transform:scale(1.05)}.control-button:active{transform:scale(.95)}.control-button:disabled{cursor:not-allowed;opacity:.5}@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.rotating{animation:rotate 1s linear infinite}.message-container{background-color:#dfdbe5;background-color:var(--whatsapp-bg-color);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg width='24' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 40c5.523 0 10-4.477 10-10V0C4.477 0 0 4.477 0 10v30zm22 0c-5.523 0-10-4.477-10-10V0c5.523 0 10 4.477 10 10v30z' fill='%239C92AC' fill-opacity='.1' fill-rule='evenodd'/%3E%3C/svg%3E");background-image:var(--whatsapp-bg-pattern);background-size:24px 40px;box-sizing:border-box;margin-left:280px;padding:16px;position:relative;transition:margin-left .3s ease,width .3s ease;width:calc(100% - 280px)}.sidebar-closed .message-container{margin-left:0;padding-left:36px;width:100%}:root{--whatsapp-bg-color:#dfdbe5;--whatsapp-bg-pattern:url("data:image/svg+xml;charset=utf-8,%3Csvg width='24' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 40c5.523 0 10-4.477 10-10V0C4.477 0 0 4.477 0 10v30zm22 0c-5.523 0-10-4.477-10-10V0c5.523 0 10 4.477 10 10v30z' 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.short-time{display:none}.message-timestamp:hover .full-time{animation:expandTimestamp .2s ease forwards;display:inline-block}@keyframes expandTimestamp{0%{opacity:0;transform:translateX(-5px)}to{opacity:1;transform:translateX(0)}}.copy-button{background:none;border:none;color:#8c8c8c;color:var(--timestamp-color);cursor:pointer;font-size:.75rem;opacity:.5;padding:2px 4px;position:relative;transition:opacity .2s ease}.copy-button:hover{opacity:1}.copy-tooltip{background-color:#000c;border-radius:4px;bottom:100%;color:#fff;font-size:.7rem;left:50%;margin-bottom:4px;padding:4px 8px;pointer-events:none;position:absolute;transform:translateX(-50%);white-space:nowrap}.empty-chat{color:#888;padding:20px}.typing-indicator{height:20px}.typing-indicator span{animation:typing 1.4s ease-in-out infinite;background-color:#888;display:inline-block;margin-right:5px}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s;margin-right:0}@keyframes typing{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}.chat-input-container{align-items:center;background-color:#f0f0f0;border-top:1px solid #e0e0e0;box-sizing:border-box;justify-content:center;margin-left:280px;padding:10px 20px 10px 16px;position:relative;transition:margin-left .3s ease,width .3s ease;width:calc(100% - 280px);z-index:5}.sidebar-closed .chat-input-container{margin-left:0;padding-left:36px;width:100%}.theme-dark .chat-input-container{background-color:#1f2c33;border-top:1px solid #2a3942}.chat-input{background-color:#fff;border-radius:20px;box-shadow:0 1px 2px #0000001a;font-size:.95rem;margin-right:10px;max-width:800px;padding:10px 16px;width:100%}.theme-dark .chat-input{background-color:#2a3942;color:#e4e4e4}::-webkit-scrollbar{height:12px;width:12px}::-webkit-scrollbar-track{background:#0000000d;border-radius:10px}::-webkit-scrollbar-thumb{background:#0003;border-radius:10px;-webkit-transition:background .2s;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:#0000004d}*{scrollbar-color:#0003 #0000000d;scrollbar-width:auto}.theme-dark ::-webkit-scrollbar-track{background:#ffffff0d}.theme-dark ::-webkit-scrollbar-thumb{background:#fff3}.theme-dark ::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.theme-dark *{scrollbar-color:#fff3 #ffffff0d}.send-button{align-items:center;background-color:#8b572a;background-color:var(--primary-color,#8b572a);border-radius:50%;box-shadow:0 1px 2px #0003;display:flex;height:40px;justify-content:center;margin-left:10px;transition:all .2s ease;width:40px}.send-button:hover{background-color:#614e1a;background-color:var(--secondary-color,#614e1a);box-shadow:0 2px 4px #0000004d;transform:scale(1.05)}.send-button:active{transform:scale(.95)}.send-button:disabled{background-color:#b5b5b5;box-shadow:none}.auth-overlay{align-items:center;background-color:#000000b3;border-radius:inherit;bottom:0;display:flex;justify-content:center;left:0;position:absolute;right:0;top:0;z-index:10}.auth-overlay .auth-message{background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #0003;padding:2rem;text-align:center}.auth-overlay .auth-message p{color:#333;font-size:1.1rem;margin-bottom:1rem}.auth-overlay .auth-link{background-color:#4a6cf7;border-radius:4px;color:#fff;display:inline-block;font-weight:500;padding:.5rem 1.5rem;text-decoration:none;transition:background-color .2s}.auth-overlay .auth-link:hover{background-color:#3a5ce5}.chat-container{display:flex;flex:1 1;height:100%;overflow:hidden;position:relative}.sidebar-closed 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