html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}:root{--primary-bg:#ffffff;--secondary-bg:#f7f7f8;--primary-text:#1d1d1f;--secondary-text:#6e6e80;--accent-color:#1d1d1f;--accent-hover:#333333;--accent-text:#ffffff;--border-color:#e5e5e5;--error-color:#d9534f;--success-color:#10a37f;--shadow:0 2px 8px rgba(0, 0, 0, 0.06);--font-sans:"Segoe UI", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif}body.dark-mode{--primary-bg:#1d1d1f;--secondary-bg:#000000;--primary-text:#f5f5f7;--secondary-text:#a1a1a6;--accent-color:#f5f5f7;--accent-hover:#cccccc;--accent-text:#1d1d1f;--border-color:#3a3a3c}body{font-family:var(--font-sans);background-color:var(--secondary-bg);color:var(--primary-text);margin:0;transition:background-color 0.3s,color 0.3s}body.menu-open{overflow:hidden}body.incognito-active #app-container{filter:grayscale(1);transition:filter 0.5s ease}.hidden{display:none!important}.visible{display:flex!important}#login-container{width:100vw;height:100vh;justify-content:center;align-items:center;flex-direction:column;background-color:var(--secondary-bg)}.login-box{background-color:var(--primary-bg);padding:2.5rem;border-radius:12px;box-shadow:var(--shadow);text-align:center;width:100%;max-width:400px;margin:1rem}.login-logo{margin-bottom:1rem;width:50px;height:50px;color:var(--accent-color)}.login-box h1{margin-top:0;margin-bottom:.5rem;font-size:1.75rem}.login-box p{margin-bottom:1.5rem;color:var(--secondary-text)}#register-view,#login-view{display:flex;flex-direction:column;gap:1rem}.login-box input[type="text"]{width:calc(100% - 2rem);padding:.9rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;transition:border-color 0.2s,box-shadow 0.2s}.login-box input[type="text"]:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px rgb(0 123 255 / .15)}.login-box button{padding:.9rem 1rem;border:none;border-radius:8px;background-color:var(--accent-color);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color 0.2s}.login-box button:hover{background-color:var(--accent-hover)}.feedback-message{margin-top:1rem;min-height:20px;font-weight:500}#login-feedback{color:var(--secondary-text)}#toggle-login-view{display:inline-block;margin-top:1rem;color:var(--accent-color);text-decoration:none;font-size:.9rem}#toggle-login-view:hover{text-decoration:underline}.code-display{background-color:var(--secondary-bg);border:1px dashed var(--border-color);padding:1rem;margin:1rem 0;border-radius:8px;font-size:1.1rem;font-weight:600;letter-spacing:1px;color:var(--accent-color);word-break:break-all}#app-container{display:flex;height:100vh;width:100vw;overflow:hidden}.side-menu{position:fixed;top:0;left:0;width:280px;height:100%;background-color:var(--primary-bg);border-right:1px solid var(--border-color);padding:1.5rem 1rem;display:flex;flex-direction:column;z-index:1001;transform:translateX(-100%);transition:transform 0.4s cubic-bezier(.25,.46,.45,.94);overflow-y:auto}.side-menu.open{transform:translateX(0);box-shadow:0 8px 30px rgb(0 0 0 / .1)}.side-menu.open .side-menu-header>*,.side-menu.open .side-menu-nav a,.side-menu.open .chat-history-item,.side-menu.open .side-menu-footer .menu-section>*{opacity:1;transform:translateX(0);transition:opacity 0.3s ease-out,transform 0.3s ease-out}.side-menu-header>*,.side-menu-nav a,.chat-history-item,.side-menu-footer .menu-section>*{opacity:0;transform:translateX(-20px)}.side-menu-nav{margin:1rem 0;min-height:150px}.side-menu-footer{flex-shrink:0;display:flex;flex-direction:column;gap:.5rem}.menu-section{border-top:1px solid var(--border-color);padding-top:1rem;margin-top:.5rem}.side-menu-header{display:flex;flex-direction:column;gap:1rem;flex-shrink:0}#new-chat-btn{width:100%;padding:.65rem 1rem;background-color:var(--accent-color);color:var(--accent-text);border:none;border-radius:8px;cursor:pointer;text-align:left;font-size:1rem;font-weight:500;display:flex;align-items:center;gap:.75rem;transition:background-color 0.2s}#new-chat-btn:hover{opacity:.9}.search-wrapper{position:relative}.search-wrapper i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--secondary-text);width:16px;height:16px}#search-history-input{width:100%;padding:.6rem 1rem .6rem 2.5rem;background-color:var(--secondary-bg);border:1px solid var(--border-color);color:var(--primary-text);border-radius:8px;font-size:.9rem;transition:border-color 0.2s,box-shadow 0.2s}#search-history-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px rgb(0 123 255 / .1)}.side-menu a{color:var(--secondary-text);text-decoration:none;font-size:1rem;padding:.75rem 1rem;border-radius:8px;transition:background-color 0.2s,color 0.2s;display:flex;align-items:center;gap:.75rem;font-weight:500}.side-menu a:hover{background-color:var(--secondary-bg);color:var(--primary-text)}.side-menu a.active{background-color:var(--secondary-bg);color:var(--primary-text)}.side-menu a i{width:20px;height:20px;stroke-width:2}.chat-history-list{display:flex;flex-direction:column;gap:.25rem}.chat-history-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem;border-radius:8px;transition:background-color 0.2s;position:relative;color:var(--secondary-text)}.chat-history-item:hover{background-color:var(--secondary-bg);color:var(--primary-text)}.chat-history-item.active{background-color:var(--secondary-bg);color:var(--primary-text);font-weight:600}.history-title{flex-grow:1;padding:.5rem;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}.history-options-btn{background:none;border:none;color:var(--secondary-text);cursor:pointer;padding:.25rem;border-radius:6px;width:28px;height:28px;flex-shrink:0;line-height:1;opacity:0;transition:opacity 0.2s}.chat-history-item:hover .history-options-btn{opacity:1}.history-options-btn:hover{background-color:var(--border-color);color:var(--primary-text)}.history-options-menu{position:fixed;background-color:var(--primary-bg);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 12px rgb(0 0 0 / .15);z-index:1002;display:flex;flex-direction:column;padding:.5rem;min-width:180px}.history-options-menu.hidden{display:none}.history-options-menu button{background:none;border:none;padding:.75rem 1rem;text-align:left;cursor:pointer;color:var(--primary-text);border-radius:6px}.history-options-menu button:hover{background-color:var(--secondary-bg)}.menu-feature{display:flex;justify-content:space-between;align-items:center;padding:.5rem 1rem}.feature-label{display:flex;align-items:center;gap:.75rem;color:var(--secondary-text);font-size:1rem;font-weight:500}.feature-label i{width:20px;height:20px}#language-select,#voice-select{background-color:var(--secondary-bg);border:1px solid var(--border-color);border-radius:6px;padding:.25rem .5rem;color:var(--primary-text);font-size:.9rem;max-width:120px}.user-profile{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background-color:var(--secondary-bg);border-radius:8px}.user-info{display:flex;align-items:center;gap:.75rem;overflow:hidden}#menu-avatar{width:32px;height:32px;border-radius:50%;background-color:var(--accent-color);color:var(--accent-text);display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}#menu-user-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#menu-logout-btn{background:none;border:none;cursor:pointer;color:var(--secondary-text);padding:.5rem;border-radius:8px;transition:background-color 0.2s,color 0.2s}#menu-logout-btn:hover{background-color:var(--border-color);color:var(--error-color)}.switch{position:relative;display:inline-block;width:50px;height:28px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.4s}.slider:before{position:absolute;content:"";height:20px;width:20px;left:4px;bottom:4px;background-color:#fff;transition:.4s}input:checked+.slider{background-color:var(--accent-color)}input:focus+.slider{box-shadow:0 0 1px var(--accent-color)}input:checked+.slider:before{transform:translateX(22px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgb(0 0 0 / .5);z-index:1000;opacity:0;visibility:hidden;transition:opacity 0.3s ease-in-out,visibility 0.3s ease-in-out}.overlay.visible{opacity:1;visibility:visible}.main-content{flex:1;display:flex;flex-direction:column;height:100vh;overflow-x:hidden}header{display:flex;align-items:center;padding:.75rem 1.5rem;background-color:var(--primary-bg);border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px rgb(0 0 0 / .05);z-index:100}header h1{margin:0;font-size:1.5rem;text-align:center;flex-grow:1}.hamburger-btn{background:none;border:none;cursor:pointer;padding:.5rem;z-index:1002}.hamburger-btn span{display:block;width:24px;height:3px;background-color:var(--primary-text);margin:5px 0;transition:all 0.3s ease-in-out}.hamburger-btn.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger-btn.open span:nth-child(2){opacity:0}.hamburger-btn.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}#chat-container{flex:1;overflow-y:auto;padding:1.5rem;background-color:var(--secondary-bg);display:flex;flex-direction:column}#welcome-screen{flex-grow:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--secondary-text)}#welcome-screen.hidden{display:none}.welcome-logo{width:60px;height:60px;background-color:var(--primary-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);margin-bottom:1rem}.welcome-logo img{width:32px;height:32px;stroke:var(--accent-color)}#welcome-screen h1{font-size:2rem;color:var(--primary-text);margin-bottom:2rem}.prompt-suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;max-width:800px;padding:0 1rem}.suggestion-card{background-color:var(--primary-bg);border:1px solid var(--border-color);padding:1.2rem;border-radius:12px;flex:1;min-width:200px;cursor:pointer;transition:transform 0.2s ease-out,box-shadow 0.2s ease-out;box-shadow:0 2px 4px rgb(0 0 0 / .04)}.suggestion-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 8px 15px rgb(0 0 0 / .08)}.suggestion-card h3{margin:0 0 .5rem 0;font-size:1rem;color:var(--primary-text)}.suggestion-card p{margin:0;font-size:.9rem}#chat-box{width:100%;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.chat-message{padding:.8rem 1.2rem;border-radius:18px;max-width:80%;line-height:1.6;word-wrap:break-word;box-shadow:0 1px 2px rgb(0 0 0 / .05)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message-row{display:flex;gap:1rem;align-items:flex-start;animation:fadeIn 0.3s ease-out}.user-row{flex-direction:row-reverse}.avatar{width:36px;height:36px;border-radius:50%;background-color:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;margin-top:4px}.bot-row .avatar{background-color:#19c37d}.user-row .avatar{background-color:#6e40c9}.user-message{align-self:flex-end}.user-message{background-color:var(--accent-color);color:var(--accent-text);border-bottom-right-radius:5px}.bot-message{background-color:var(--primary-bg);color:var(--primary-text);border:1px solid var(--border-color);border-bottom-left-radius:5px;position:relative}body.dark-mode .bot-message{border:none}.message-actions{display:flex;gap:.5rem;margin-top:.75rem;opacity:0;transition:opacity 0.2s ease-in-out;height:0;overflow:hidden}.chat-message:hover .message-actions{opacity:1;height:auto}.message-action-btn{background-color:var(--secondary-bg);border:1px solid var(--border-color);color:var(--secondary-text);padding:.25rem .75rem;font-size:.8rem;border-radius:6px;cursor:pointer;transition:background-color 0.2s,color 0.2s}.message-action-btn:hover{background-color:var(--accent-color);color:var(--accent-text);border-color:var(--accent-color)}.message-action-btn.icon-btn{padding:.5rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.message-action-btn.icon-btn.active{background-color:var(--accent-color);color:var(--accent-text)}.image-loader{padding:2rem 1rem;font-style:italic;color:var(--secondary-text);text-align:center}.chat-message img,.chat-message video{max-width:100%;border-radius:10px;margin-top:10px}.message-content img+p{margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--border-color);font-style:italic;color:var(--secondary-text)}.typing-indicator span{display:inline-block;width:8px;height:8px;border-radius:50%;background-color:var(--secondary-text);animation:typing 1s infinite}.typing-indicator span:nth-child(2){animation-delay:0.1s}.typing-indicator span:nth-child(3){animation-delay:0.2s}@keyframes typing{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}#input-area{padding:1.5rem;background-color:var(--primary-bg);border-top:1px solid var(--border-color);width:100%;box-sizing:border-box}.quick-prompts{margin:0 auto 1rem auto;display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.prompt-chip{background-color:#fff0;border:1px solid var(--border-color);color:var(--primary-text);padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-size:.9rem;transition:background-color 0.2s,border-color 0.2s}.prompt-chip:hover{background-color:var(--secondary-bg);border-color:var(--accent-color)}.input-wrapper{display:flex;gap:.5rem;align-items:center;margin:0 auto;background-color:var(--primary-bg);padding:.5rem .75rem;border-radius:24px;border:1px solid var(--border-color);box-shadow:0 2px 8px rgb(0 0 0 / .06);transition:box-shadow 0.2s,border-color 0.2s}.input-wrapper:focus-within{box-shadow:0 4px 12px rgb(0 0 0 / .1);border-color:var(--accent-color)}#user-input{flex:1;border:none;background:none;font-size:1rem;padding:.75rem .5rem;color:var(--primary-text)}#user-input:focus{outline:none}#input-area button{display:flex;align-items:center;justify-content:center;padding:.5rem;width:40px;height:40px;border:none;border-radius:8px;background-color:#fff0;color:var(--secondary-text);cursor:pointer;transition:background-color 0.2s,color 0.2s}#input-area button svg{stroke:currentColor}#input-area button:hover{background-color:var(--secondary-bg);color:var(--primary-text)}#input-area button#chat-btn{background-color:var(--accent-color);color:#fff}#input-area button#chat-btn:hover{background-color:var(--accent-hover)}body.dark-mode #input-area button#chat-btn svg{stroke:var(--accent-text)}.generation-buttons{display:flex;gap:.75rem;justify-content:center;margin:1rem auto 0 auto}.gen-btn{flex-grow:1;background-color:var(--secondary-bg);border:1px solid var(--border-color);color:var(--secondary-text);padding:.6rem 1rem;font-size:.9rem;border-radius:8px;cursor:pointer;transition:all 0.2s}.gen-btn:hover{background-color:var(--accent-color);border-color:var(--accent-color);color:#fff}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgb(0 0 0 / .6);display:flex;justify-content:center;align-items:center;z-index:1002;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}.modal-overlay:not(.hidden){opacity:1;visibility:visible}.modal-content{background-color:var(--primary-bg);color:var(--primary-text);padding:2rem;border-radius:12px;box-shadow:var(--shadow);width:100%;max-width:500px;position:relative;transform:scale(.95);transition:transform 0.3s ease}.modal-overlay:not(.hidden) .modal-content{transform:scale(1)}.modal-close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:2rem;color:var(--secondary-text);cursor:pointer}.modal-content h2{margin-top:0;margin-bottom:1.5rem}.info-section{margin-bottom:1.5rem}.info-section h3{margin-bottom:.5rem;color:var(--secondary-text)}.profile-info p{margin:.5rem 0}.settings-actions{display:flex;flex-direction:column;gap:1rem}.settings-actions button{width:100%;padding:.8rem;font-size:1rem;border-radius:8px;cursor:pointer;border:1px solid var(--border-color);background-color:var(--secondary-bg);color:var(--primary-text);transition:background-color 0.2s}.settings-actions button:hover{background-color:var(--border-color)}.btn-danger{background-color:var(--error-color)!important;border-color:var(--error-color)!important;color:white!important}.btn-danger:hover{opacity:.8}#logout-btn{width:100%;padding:.8rem;margin-top:1.5rem;font-size:1rem;border-radius:8px;cursor:pointer;border:none}#personality-input{width:100%;min-height:100px;padding:.75rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--secondary-bg);color:var(--primary-text);font-family:var(--font-sans);font-size:1rem;resize:vertical;margin:1rem 0}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.modal-actions button{padding:.7rem 1.2rem;border-radius:8px;border:1px solid #fff0;cursor:pointer;font-size:1rem;font-weight:500;transition:background-color 0.2s,border-color 0.2s}#cancel-personality-btn{background-color:#fff0;border-color:var(--border-color);color:var(--primary-text)}#cancel-personality-btn:hover{background-color:var(--secondary-bg)}#save-personality-btn{background-color:var(--accent-color);color:var(--accent-text);border-color:var(--accent-color)}#save-personality-btn:hover{opacity:.9}#home-container{width:100vw;height:100vh;justify-content:center;align-items:center;flex-direction:column;background:linear-gradient(135deg,var(--secondary-bg) 0%,var(--primary-bg) 100%);transition:background 0.3s}#home-container .login-box{background-color:rgb(255 255 255 / .1);backdrop-filter:blur(10px);border:1px solid rgb(255 255 255 / .2);box-shadow:0 8px 32px 0 rgb(0 0 0 / .1)}body.dark-mode #home-container .login-box{background-color:rgb(29 29 31 / .5);border:1px solid rgb(255 255 255 / .1)}#home-container .login-logo{transform:scale(1.2);margin-bottom:1.5rem}#home-container h1{font-size:2rem;font-weight:700}#home-container p{font-size:1.1rem;max-width:90%;margin-left:auto;margin-right:auto}#home-container button{width:auto;padding:.9rem 2.5rem;border:none;border-radius:50px;background-color:var(--accent-color);color:var(--accent-text);font-size:1rem;font-weight:600;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s;box-shadow:0 4px 15px rgb(0 0 0 / .1)}#home-container button:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgb(0 0 0 / .15)}#graph-ai-container{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000;z-index:1005;display:flex;justify-content:center;align-items:center;overflow:hidden}#graph-ai-title{position:absolute;top:5%;color:rgb(255 255 255 / .8);font-size:2.5rem;font-weight:300;letter-spacing:4px;text-transform:uppercase;text-shadow:0 0 10px rgb(255 255 255 / .3),0 0 20px rgb(13 133 161 / .5);z-index:1007}#graph-ai-canvas{width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:1006}#back-to-chat-btn{position:fixed;top:1.5rem;left:1.5rem;padding:.75rem 1.25rem;background-color:rgb(255 255 255 / .1);border:1px solid rgb(255 255 255 / .2);color:#fff;border-radius:8px;cursor:pointer;z-index:1007;transition:background-color 0.2s}#back-to-chat-btn:hover{background-color:rgb(255 255 255 / .2)}#voice-call-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgb(0 0 0 / .9);display:flex;justify-content:center;align-items:center;z-index:1010;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}#voice-call-overlay:not(.hidden){opacity:1;visibility:visible}.voice-call-container{display:flex;flex-direction:column;align-items:center;gap:2rem;color:#fff;text-align:center}.voice-status-circle{width:180px;height:180px;border-radius:50%;border:3px solid rgb(255 255 255 / .3);display:flex;justify-content:center;align-items:center;position:relative}.voice-status-circle.listening::before{content:'';position:absolute;top:-10px;left:-10px;right:-10px;bottom:-10px;border-radius:50%;border:3px solid #10a37f;animation:pulse 1.5s infinite ease-out}@keyframes pulse{0%{transform:scale(.9);opacity:1}100%{transform:scale(1.3);opacity:0}}#voice-status-text{font-size:1.2rem;font-weight:500}#end-call-btn{padding:.8rem 2rem;border:none;border-radius:50px;background-color:#d9534f;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color 0.2s}#end-call-btn:hover{background-color:#c9302c}@media (max-width:600px){.login-box{padding:2rem}header h1{font-size:1.2rem}.input-wrapper{flex-wrap:wrap}#input-area button{flex-grow:1}.chat-message{max-width:90%}}