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20px}.settings-title{color:var(--primary-color);font-size:2.5rem;margin-bottom:40px;text-align:center}.settings-section{margin-bottom:2rem}.settings-item{align-items:center;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;padding:1rem}.account-details p{margin-bottom:15px}.password-form{max-width:400px}.form-help{color:var(--light-text);font-size:.8rem;margin-top:5px}.data-options{display:flex;flex-wrap:wrap;gap:20px}.data-option{background-color:#f9f9f9;border-radius:var(--border-radius);flex:1 1;min-width:250px;padding:20px}.data-option h3{font-size:1.2rem;margin-bottom:10px}.data-option p{color:var(--light-text);font-size:.9rem;margin-bottom:15px}@media screen and (max-width:960px){.menu-icon{display:block}.nav-menu{display:flex;flex-direction:column;height:90vh;left:-100%;opacity:0;position:absolute;top:80px;transition:all .5s ease;width:100%}.nav-menu.active{background-color:#fff;box-shadow:0 4px 8px #0000001a;left:0;opacity:1;padding:20px;transition:all .5s ease;z-index:1}.nav-item{height:auto;padding:20px 0}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.hero-buttons{align-items:center;flex-direction:column}.hero-buttons a{max-width:300px;width:100%}.features-grid{grid-template-columns:1fr}.chat-content.with-visualization{display:block;grid-template-columns:1fr}.chat-interface-container,.visualization-container{flex:1 1 100%;max-width:100%;min-width:0}.visualization-content{flex-direction:column}.visualization-display{flex:2 1}.visualization-options{border-left:none;border-top:1px solid var(--border-color);flex:1 1}}@media screen and (max-width:768px){.footer-container{flex-direction:column}.footer-links{margin-top:20px}.footer-bottom{flex-direction:column;gap:10px;text-align:center}}@media screen and (max-width:480px){.hero-title{font-size:2rem}.section-title{font-size:1.8rem}.message{max-width:95%}}.visualization-panel.flex-panel{background:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);display:flex;flex-direction:column;height:100%;max-height:90vh;min-height:700px;padding:0}.visualization-header{background:#f5f7fa;border-bottom:1px solid var(--border-color);border-radius:var(--border-radius) var(--border-radius) 0 0;padding:20px 24px 10px}.visualization-content.flex-content{display:flex;flex-direction:row;height:100%;min-height:500px}.visualization-display.scrollable-chart-area{align-items:stretch;background:#fff;border-right:1px solid var(--border-color);display:flex;flex:2 1;flex-direction:column;justify-content:flex-start;max-height:800px;min-height:500px;min-width:0;overflow:auto;padding:24px 16px 24px 24px}.chart-meta{margin-bottom:12px}.chart-title-main{color:var(--primary-color);font-size:1.3rem;font-weight:700;margin-bottom:2px}.chart-description{color:var(--light-text);font-size:.98rem;margin-bottom:10px}.visualization-options{align-items:flex-start;background:#f8f9fa;border-radius:0 var(--border-radius) var(--border-radius) 0;display:flex;flex:1 1 220px;flex-direction:column;max-width:260px;min-width:200px;padding:24px 16px}.chart-type-list{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.chart-type-option{align-items:center;background:#fff;border:1.5px solid var(--border-color);border-radius:6px;cursor:pointer;display:flex;justify-content:space-between;outline:none;padding:10px 14px;position:relative;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.chart-type-option.selected{background:#eaf1ff;border-color:var(--primary-color);box-shadow:0 2px 8px #4a6eb514}.chart-type-option:focus-visible:not(.disabled),.chart-type-option:hover:not(.disabled){background:#f0f6ff;border-color:var(--secondary-color)}.chart-type-option.disabled{background:#f5f5f5;cursor:not-allowed;opacity:.6}.chart-type-info{align-items:center;display:flex;gap:8px}.chart-name{color:var(--text-color);font-size:1rem;font-weight:500}.chart-score{color:var(--light-text);font-size:.95rem;margin-left:8px}.premium-icon{color:var(--accent-color);font-size:1.1em;margin-left:4px}.premium-overlay{background:#ffffffb3;bottom:0;font-size:1rem;font-weight:600;justify-content:center;left:0;pointer-events:none;position:absolute;right:0;top:0}.premium-note,.premium-overlay{align-items:center;border-radius:6px;color:var(--accent-color);display:flex}.premium-note{background:#fff7f0;font-size:.97rem;gap:6px;margin-top:10px;padding:7px 12px}.visualization-loading{align-items:center;color:var(--primary-color);display:flex;font-size:1.1rem;gap:12px;justify-content:center;margin:40px 0}.spinner{animation:spin 1s linear infinite;border:3px solid #eaf1ff;border-radius:50%;border-top:3px solid var(--primary-color);height:24px;width:24px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:900px){.visualization-content.flex-content{flex-direction:column}.visualization-display.scrollable-chart-area{max-height:350px;min-height:250px;padding:16px 8px}.visualization-options{border-radius:0 0 var(--border-radius) var(--border-radius);max-width:100%;min-width:0;padding:16px 8px;width:100%}}@media (max-width:600px){.visualization-panel.flex-panel{min-height:350px;padding:0}.visualization-header{padding:12px 8px 6px}.visualization-content.flex-content{min-height:200px}.visualization-display.scrollable-chart-area{max-height:200px;min-height:120px;padding:8px 2px}}.chart-zoom-wrapper{background:#fafafa;border:1px solid #e0e0e0;border-radius:8px;height:100%;overflow:hidden;position:relative;width:100%}.chart-zoom-content{cursor:grab;height:100%;overflow:visible;width:100%}.chart-zoom-content:active{cursor:grabbing}.chart-zoom-controls{background:#fffffff2;border-radius:6px;box-shadow:0 2px 8px #00000026;gap:5px;padding:5px 8px;position:absolute;right:10px;top:10px;z-index:1000}.chart-zoom-controls,.zoom-btn{align-items:center;display:flex}.zoom-btn{background:var(--primary-color);border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:18px;font-weight:700;height:32px;justify-content:center;transition:all .2s;-webkit-user-select:none;user-select:none;width:32px}.zoom-btn:hover{background:#8d1e45;background:var(--primary-dark);transform:scale(1.1)}.zoom-btn:active{transform:scale(.95)}.zoom-level{color:#333;font-size:12px;font-weight:600;margin-left:5px;min-width:45px;text-align:center}.chart-container{height:100%;min-height:450px;overflow:visible;position:relative;width:100%}.chart-container svg{display:block}.chart-zoom-wrapper .recharts-surface,.chart-zoom-wrapper .recharts-wrapper{height:100%!important;width:100%!important}.scrollable-chart-area{scrollbar-color:silver #f0f0f0;scrollbar-width:thin}.scrollable-chart-area::-webkit-scrollbar{height:12px;width:12px}.scrollable-chart-area::-webkit-scrollbar-track{background:#f0f0f0;border-radius:6px}.scrollable-chart-area::-webkit-scrollbar-thumb{background:silver;border-radius:6px}.scrollable-chart-area::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.container{margin:0 auto;max-width:1200px;padding:0 1rem}.form-group{margin-bottom:1.5rem}.form-control{border:2px solid var(--border-color);border-radius:var(--border-radius);font-size:1rem;padding:.75rem;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition);width:100%}.form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #e8a5bc;box-shadow:0 0 0 3px var(--primary-light);outline:none}.card{background:var(--background-light);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);padding:1.5rem;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.card:hover{box-shadow:0 8px 12px #00000026;transform:translateY(-4px)}.navbar{background-color:var(--background-light);box-shadow:var(--box-shadow);padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:1000}.nav-link{border-radius:var(--border-radius);color:var(--text-dark);font-weight:500;padding:.5rem 1rem;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.nav-link:hover{background-color:#e8a5bc;background-color:var(--primary-light);color:var(--primary-color)}.loading{color:var(--primary-color);justify-content:center;min-height:200px}.alert,.loading{align-items:center;display:flex}.alert{border-radius:var(--border-radius);gap:.5rem;margin-bottom:1rem;padding:1rem}.alert-success{background-color:var(--success-color)}.alert-error,.alert-success{color:#fff;color:var(--text-light)}.alert-error{background-color:var(--error-color)}.chat-container{background-color:var(--background-light);height:100vh}.chat-messages{display:flex;flex:1 1;flex-direction:column;gap:1rem;padding:1rem}.message{border-radius:var(--border-radius);max-width:70%;padding:1rem;position:relative}.message-sent{background-color:var(--primary-color);border-bottom-right-radius:0;color:#fff;color:var(--text-light);margin-left:auto}.message-received{background-color:#a5e8d0;background-color:var(--secondary-light);border-bottom-left-radius:0;color:var(--text-dark)}.chat-input{background-color:var(--background-light);border-top:1px solid var(--border-color);display:flex;gap:1rem;padding:1rem}.chat-input input{border:2px solid var(--border-color);border-radius:var(--border-radius);flex:1 1;padding:.75rem;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.chat-input input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #e8a5bc;box-shadow:0 0 0 3px var(--primary-light);outline:none}.hero-section{background:linear-gradient(135deg,#e8a5bc,#a5e8d0);background:linear-gradient(135deg,var(--primary-light) 0,var(--secondary-light) 100%);color:#8d1e45;color:var(--primary-dark);padding:4rem 0;text-align:center}.hero-title{color:#be285e;color:var(--primary);font-size:3.2rem;margin-bottom:.5rem}.hero-subtitle{color:#8d1e45;color:var(--primary-dark);font-size:1.5rem;margin-bottom:1.5rem}.hero-description{color:#444;font-size:1.15rem;margin-bottom:2.5rem}.hero-buttons{display:flex;gap:1.5rem;justify-content:center}.features-section{background-color:#fff;padding:80px 0}.features-container{margin:0 auto;max-width:1200px;padding:0 20px}.section-title{color:var(--primary-color);font-size:2.5rem;margin-bottom:60px;text-align:center}.feature-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));padding:2rem 0}.feature-item{background:var(--background-light);border-radius:var(--border-radius);box-shadow:var(--box-shadow);padding:2rem;text-align:center;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.feature-item:hover{box-shadow:0 8px 12px #00000026;transform:translateY(-4px)}.feature-icon{color:var(--primary-color);font-size:2.5rem;margin-bottom:1rem}.cta-container{margin-top:40px;text-align:center}.cta-container h3{font-size:1.8rem;margin-bottom:30px}.fade-in{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.navbar-container{align-items:center;display:flex;justify-content:space-between}.navbar-logo{color:#be285e;color:var(--primary);font-size:2rem;font-weight:700;margin-right:2rem;text-decoration:none}.nav-menu{flex:1 1;gap:2.5rem;justify-content:center;list-style:none;margin:0;padding:0}.nav-menu,.user-info{align-items:center;display:flex}.user-info{gap:.7rem;margin-left:2rem}.logout-btn{background:#be285e;background:var(--primary);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:700;margin-left:.7rem;padding:.5rem 1.2rem;transition:all .2s cubic-bezier(.4,0,.2,1);transition:var(--transition)}.logout-btn:hover{background:#8d1e45;background:var(--primary-dark)}.chat-message{align-items:flex-start;display:flex;margin-bottom:1.1rem}.user-message{flex-direction:row-reverse;justify-content:flex-end}.bot-message{flex-direction:row;justify-content:flex-start}.user-message .message-avatar{background:#1e8d6a;background:var(--secondary-dark);color:#fff;color:var(--text-light);margin-left:1rem;margin-right:0}.bot-message .message-avatar{background:#e8a5bc;background:var(--primary-light);color:#be285e;color:var(--primary);margin-left:0;margin-right:1rem}.user-message .message-content{background:#be285e;background:var(--primary);border-radius:12px 1.5rem 1.5rem 12px;border-radius:var(--radius) 1.5rem 1.5rem var(--radius);color:#fff;color:var(--text-light);margin-left:0;margin-right:.5rem}.bot-message .message-content{background:#b6f2de;border-radius:1.5rem 12px 12px 1.5rem;border-radius:1.5rem var(--radius) var(--radius) 1.5rem;color:#1e8d6a;margin-left:.5rem;margin-right:0}#root,body,html{height:100%}body{display:flex;flex-direction:column;min-height:100vh;padding-bottom:0}.footer{margin-top:auto;position:relative;z-index:1}.about-page,.chat-page,.home-page,.pricing-page,.settings-page{display:flex;flex-direction:column;min-height:100vh}.chat-container{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;overflow:hidden}@media (max-width:900px){.navbar-logo{font-size:1.3rem}.nav-menu{gap:1.2rem}}@media (max-width:600px){.navbar-logo{font-size:1rem;margin-right:.7rem}.nav-menu{gap:.5rem}.user-info{margin-left:.5rem}}.custom-tooltip{display:inline-block;position:relative}.custom-tooltip-text{background:#222;border-radius:6px;bottom:125%;box-shadow:0 2px 8px #00000026;color:#fff;font-size:.95em;left:50%;opacity:0;padding:8px 12px;pointer-events:none;position:absolute;text-align:left;transform:translateX(-50%);transition:opacity .2s;visibility:hidden;width:220px;z-index:10}.custom-tooltip:focus 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1;font-size:15px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress{background:#e2e8f0;border-radius:999px;height:8px;margin-top:.5rem;overflow:hidden;position:relative;width:160px}.progress-bar{background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:999px;height:100%;transition:width .3s ease;width:0}.file-upload-error{align-items:center;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#dc2626;display:flex;font-size:14px;font-weight:500;gap:.5rem;margin-top:.75rem;padding:.75rem 1rem}.file-list{display:flex;flex-direction:column;gap:6px;margin-top:10px}.file-item{color:#334155;font-size:14px}.chat-interface{display:flex;flex-direction:column;gap:1.5rem;height:100%;max-height:100%;overflow:hidden;padding:0}.chat-messages{background:#fafbfc;border:1px solid #e2e8f0;border-radius:12px;flex:1 1 auto;max-height:none;min-height:200px;overflow-y:auto;padding:1.5rem}.chat-message .message-content{animation:pulseMsg 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#be285e1a;outline:none}.chat-input:disabled{background:#f8f9fa;color:#6c757d;cursor:not-allowed}.empty-chat{align-items:center;color:#64748b;display:flex;font-size:1rem;height:100%;justify-content:center;line-height:1.6;padding:2rem;text-align:center}.file-upload-container{margin-bottom:10px}.file-upload-controls{align-items:center;display:flex;gap:10px}.btn--primary{background:var(--primary);color:var(--text-light)}.btn--medium{font-size:14px;padding:10px 20px}button:disabled{cursor:not-allowed;opacity:.6}
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