:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#1f2937;background-color:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}.app{min-height:100vh;display:flex;flex-direction:column;background-color:#f5f5f5;position:relative}.navbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background-color:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:100}.nav-left,.nav-right{display:flex;align-items:center;gap:1rem}.nav-center{flex:1;display:flex;justify-content:center}.logo-container{display:flex;align-items:center;gap:.75rem}.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:6px;position:relative}.logo-icon:before{content:"";position:absolute;width:100%;height:100%;background:linear-gradient(135deg,#fcd34d,#fbbf24);border-radius:6px;clip-path:polygon(30% 0%,70% 0%,100% 30%,70% 100%,30% 100%,0% 70%)}.logo-text{font-size:1.25rem;font-weight:600;color:#1f2937;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.hamburger-menu{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:.5rem}.hamburger-menu span{width:24px;height:2px;background-color:#1f2937;border-radius:2px}.icon-button{background:none;border:none;cursor:pointer;padding:.5rem;color:#1f2937;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.icon-button:hover{background-color:#f3f4f6}.profile-picture{display:flex;align-items:center}.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);border:2px solid #ffffff}.main-content{flex:1;padding:3rem 2rem 8rem;max-width:1400px;margin:0 auto;width:100%;position:relative;z-index:1;overflow-y:auto}.main-content.chat-mode{padding:1rem 2rem 8rem;display:flex;flex-direction:column;height:calc(100vh - 140px)}.hero-section{text-align:center;margin-bottom:4rem;padding:0 1rem;position:relative;z-index:1}.hero-title{font-size:3.5rem;font-weight:400;line-height:1.2;color:#1f2937;margin-bottom:1.5rem;font-family:Georgia,Times New Roman,serif}.hero-description{font-size:1.125rem;line-height:1.6;color:#4b5563;max-width:800px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.feature-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:4rem;position:relative;z-index:1}.feature-card{background-color:#1f2937;border-radius:16px;padding:2rem;display:flex;flex-direction:column;gap:1rem;min-height:320px}.feature-title{font-size:1.5rem;font-weight:600;color:#fff;margin-bottom:.5rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.feature-description{font-size:1rem;line-height:1.6;color:#d1d5db;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.chart-container{flex:1;border-radius:8px;margin-top:1rem;min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:#111827}.chart-image{width:100%;height:100%;object-fit:contain}.waves-background{position:fixed;bottom:0;left:0;right:0;height:474px;pointer-events:none;z-index:0;overflow:hidden;opacity:.8}.wave-image{width:100%;height:100%;object-fit:cover;object-position:bottom}.bottom-input-container{position:fixed;bottom:0;left:0;right:0;padding:1.5rem 2rem;background-color:#fff;border-top:1px solid #e0e0e0;z-index:100}.input-form{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:1rem;position:relative}.query-input{flex:1;padding:1rem 1.5rem;font-size:1rem;border:2px solid #1f2937;border-radius:12px;background-color:#1f2937;color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;outline:none;transition:border-color .2s}.query-input::placeholder{color:#9ca3af}.query-input:focus{border-color:#6366f1}.query-input:disabled{opacity:.6;cursor:not-allowed}.send-button{position:absolute;right:.75rem;width:40px;height:40px;border-radius:50%;background-color:#1f2937;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s,transform .2s}.send-button:hover:not(:disabled){background-color:#374151;transform:scale(1.05)}.send-button:disabled{opacity:.6;cursor:not-allowed}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-container{flex:1;display:flex;flex-direction:column;width:100%;max-width:900px;margin:0 auto}.chat-messages{flex:1;display:flex;flex-direction:column;gap:1.5rem;overflow-y:auto;padding:1rem 0}.chat-message{display:flex;flex-direction:column;max-width:75%;animation:fadeIn .3s ease-in}.chat-message.user{align-self:flex-end;align-items:flex-end}.chat-message.assistant{align-self:flex-start;align-items:flex-start}.message-content{padding:.875rem 1.25rem;border-radius:18px;font-size:1rem;line-height:1.5;word-wrap:break-word;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.chat-message.user .message-content{background-color:#1f2937;color:#fff;border-bottom-right-radius:4px}.chat-message.assistant .message-content{background-color:#fff;color:#1f2937;border:1px solid #e5e7eb;border-bottom-left-radius:4px}.message-timestamp{font-size:.75rem;color:#9ca3af;margin-top:.5rem;padding:0 .5rem}.chat-message.loading .message-content{background-color:#fff;border:1px solid #e5e7eb;padding:1rem 1.5rem}.typing-indicator{display:flex;gap:.5rem;align-items:center}.typing-indicator span{width:8px;height:8px;border-radius:50%;background-color:#9ca3af;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.7}30%{transform:translateY(-10px);opacity:1}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1024px){.hero-title{font-size:2.5rem}.feature-cards{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}@media(max-width:768px){.navbar{padding:1rem}.logo-text{font-size:1rem}.main-content{padding:2rem 1rem 8rem}.hero-title{font-size:2rem}.hero-description{font-size:1rem}.feature-cards{grid-template-columns:1fr;gap:1.5rem}.feature-card{padding:1.5rem;min-height:280px}.bottom-input-container{padding:1rem}.query-input{padding:.875rem 1.25rem;font-size:.9375rem}.main-content.chat-mode{padding:1rem 1rem 8rem;height:calc(100vh - 120px)}.chat-message{max-width:85%}}.charts-container{display:flex;flex-direction:column;gap:1.5rem;margin-top:1rem}.chart-card{background-color:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #0000001a;transition:box-shadow .2s}.chart-card:hover{box-shadow:0 4px 6px #0000001a}.chart-title{font-size:1.25rem;font-weight:600;color:#111827;margin:0 0 1rem}.chart-image-wrapper{width:100%;margin:1rem 0;border-radius:8px;overflow:hidden;background-color:#f9fafb;display:flex;align-items:center;justify-content:center;min-height:300px}.chart-image-wrapper .chart-image{max-width:100%;height:auto;object-fit:contain}.chart-summary{margin-top:1rem;color:#374151}.chart-context{font-size:.9375rem;line-height:1.6;margin:0 0 1rem;color:#4b5563}.chart-points{list-style:none;padding:0;margin:0 0 1rem}.chart-points li{padding:.5rem 0 .5rem 1.5rem;position:relative;font-size:.9375rem;line-height:1.6;color:#4b5563}.chart-points li:before{content:"•";position:absolute;left:0;color:#6366f1;font-weight:700;font-size:1.2rem}.chart-interpretation{font-size:.9375rem;line-height:1.6;margin:1rem 0 0;padding:1rem;background-color:#f3f4f6;border-radius:8px;color:#374151;font-style:italic}@media(max-width:480px){.hero-title{font-size:1.75rem}.hero-description{font-size:.9375rem}.feature-title{font-size:1.25rem}.feature-description{font-size:.9375rem}.nav-right{gap:.5rem}.avatar{width:32px;height:32px}}