:root{--color-bg-primary: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-card: rgba(255, 255, 255, .03);--color-bg-glass: rgba(255, 255, 255, .05);--color-accent-primary: #6366f1;--color-accent-secondary: #818cf8;--color-accent-glow: rgba(99, 102, 241, .4);--color-success: #10b981;--color-success-glow: rgba(16, 185, 129, .3);--color-text-primary: #ffffff;--color-text-secondary: rgba(255, 255, 255, .7);--color-text-muted: rgba(255, 255, 255, .4);--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(1.75rem,3vw,2.5rem)}h3{font-size:clamp(1.25rem,2vw,1.5rem)}p{color:var(--color-text-secondary);max-width:65ch}a{color:var(--color-accent-secondary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-primary)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.section{padding:var(--space-3xl) 0}.gradient-text{background:linear-gradient(135deg,var(--color-accent-secondary),var(--color-success));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass-card{background:var(--color-bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base)}.glass-card:hover{border-color:var(--color-border-hover);transform:translateY(-2px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-family:var(--font-sans);font-size:1rem;font-weight:500;line-height:1;border-radius:var(--radius-full);border:none;cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));color:#fff;box-shadow:0 4px 20px var(--color-accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--color-accent-glow)}.btn-secondary{background:var(--color-bg-glass);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-card);border-color:var(--color-border-hover)}.input{width:100%;padding:var(--space-md) var(--space-lg);font-family:var(--font-sans);font-size:1rem;color:var(--color-text-primary);background:var(--color-bg-glass);border:1px solid var(--color-border);border-radius:var(--radius-lg);outline:none;transition:all var(--transition-base)}.input::placeholder{color:var(--color-text-muted)}.input:focus{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@media(max-width:768px){.container{padding:0 var(--space-md)}.section{padding:var(--space-2xl) 0}}.page-content{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.loading-page.fade-out{animation:fadeOut .3s ease-in forwards}@keyframes fadeOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.98)}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;text-align:center;animation:fadeIn .3s ease-out}.loading-dots{display:flex;gap:var(--space-sm);margin-top:var(--space-md)}.loading-dot{width:8px;height:8px;background:var(--color-accent-primary);border-radius:50%;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.user-menu{display:flex;align-items:center;gap:12px;margin-left:16px;padding-left:16px;border-left:1px solid rgba(255,255,255,.1)}.user-name{display:flex;align-items:center;gap:6px;color:#ffffffb3;font-size:13px}.logout-btn{display:flex;align-items:center;justify-content:center;padding:6px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#fff9;cursor:pointer;transition:all .2s}.logout-btn:hover{background:#ef44441a;border-color:#ef44444d;color:#ef4444}.modal-backdrop{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease-out}.modal{width:90%;max-width:480px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease-out}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.modal-header h3{font-size:1.25rem;font-weight:600;color:var(--color-text-primary)}.modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-bg-card);color:var(--color-text-primary)}.modal-body{padding:var(--space-lg)}.setting-group{margin-bottom:var(--space-xl)}.setting-group:last-child{margin-bottom:0}.setting-label{display:block;font-size:.9rem;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--space-md)}.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.option-btn{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:var(--font-sans);font-size:.9rem;cursor:pointer;transition:all var(--transition-fast)}.option-btn:hover:not(.locked){border-color:var(--color-accent-primary);background:var(--color-bg-card)}.option-btn.active{border-color:var(--color-accent-primary);background:#6366f126}.option-btn.locked{opacity:.5;cursor:not-allowed}.option-name{font-weight:500}.lock-icon{font-size:.8rem}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-sm);padding:var(--space-lg);border-top:1px solid var(--color-border)}.modal-footer .btn{padding:var(--space-sm) var(--space-lg)}.login-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000}.login-modal{background:linear-gradient(145deg,#1a1a2e,#0f0f1a);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;width:100%;max-width:380px;box-shadow:0 25px 50px -12px #00000080,0 0 0 1px #ffffff0d}.login-header{text-align:center;margin-bottom:32px}.login-icon{width:64px;height:64px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#fff}.login-header h1{font-size:24px;font-weight:700;color:#fff;margin:0 0 8px}.login-header p{color:#ffffff80;margin:0;font-size:14px}.login-form{display:flex;flex-direction:column;gap:16px}.login-error{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;color:#ef4444;font-size:14px}.input-group{position:relative}.input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#ffffff4d;pointer-events:none}.input-group input{width:100%;padding:14px 14px 14px 44px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-size:15px;transition:all .2s;box-sizing:border-box}.input-group input:focus{outline:none;border-color:#667eea;background:#ffffff14}.input-group input::placeholder{color:#ffffff4d}.input-group input:disabled{opacity:.6;cursor:not-allowed}.login-button{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:8px}.login-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 20px -10px #667eea80}.login-button:disabled{opacity:.7;cursor:not-allowed}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.plotly-cell{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.plotly-container{min-height:400px;width:100%}.plotly-cell .modebar{background:transparent!important}.plotly-cell .modebar-btn{fill:#ffffff80!important}.plotly-cell .modebar-btn:hover{fill:#ffffffe6!important}.table-cell{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:.875rem;font-family:var(--font-mono)}.data-table th,.data-table td{padding:var(--space-sm) var(--space-md);text-align:left;border-bottom:1px solid var(--color-border);white-space:nowrap}.data-table th{background:#ffffff08;font-weight:600;color:var(--color-text-primary);position:sticky;top:0}.data-table td{color:var(--color-text-secondary)}.data-table tr:hover td{background:#ffffff05}.data-table td{cursor:text;user-select:text;-webkit-user-select:text;-moz-user-select:text}.data-table td::selection{background:var(--color-accent-primary);color:#fff}.table-footer{padding:var(--space-sm) var(--space-md);font-size:.8rem;color:var(--color-text-muted);border-top:1px solid var(--color-border);background:#ffffff05}.chat-message{max-width:800px;margin:0 auto;width:100%}.chat-message.user{display:flex;justify-content:flex-end}.chat-message.user .message-content{background:var(--gradient-primary);color:#fff;padding:.875rem 1.25rem;border-radius:18px 18px 4px;max-width:70%;font-size:.95rem;line-height:1.5}.chat-message.assistant{display:flex;flex-direction:column;gap:1rem}.message-status{display:flex;align-items:center;gap:.5rem;color:var(--color-accent-primary);font-size:.9rem;padding:.5rem 0}.status-dot{width:8px;height:8px;background:var(--color-accent-primary);border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.message-plan{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1rem}.plan-header{font-weight:600;margin-bottom:.5rem;color:var(--color-accent-primary)}.plan-summary{color:var(--color-text-primary);margin-bottom:.75rem;line-height:1.5}.plan-details{display:flex;flex-wrap:wrap;gap:.75rem;font-size:.85rem;color:var(--color-text-secondary)}.plan-symbols,.plan-date{background:var(--color-bg-tertiary);padding:.25rem .75rem;border-radius:20px}.plan-outputs{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--color-border)}.outputs-label{font-size:.8rem;color:var(--color-text-muted)}.output-badge{background:linear-gradient(135deg,#6366f133,#8b5cf633);border:1px solid rgba(99,102,241,.3);color:var(--color-accent-primary);font-size:.75rem;padding:.25rem .6rem;border-radius:12px}.code-toggle,.output-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:.9rem;transition:background .2s ease}.code-toggle:hover,.output-toggle:hover{background:var(--color-bg-tertiary)}.toggle-icon{font-size:1.25rem;opacity:.6}.code-content{padding:1rem;margin:0;background:var(--color-bg-tertiary);overflow-x:auto;font-size:.85rem;line-height:1.6;color:var(--color-text-secondary);border-top:1px solid var(--color-border)}.message-output{background:#1e293b66;border:1px solid rgba(148,163,184,.1);border-radius:12px;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.output-cells{padding:1rem;display:flex;flex-direction:column;gap:1rem;border-top:1px solid var(--color-border)}.cell-text{color:var(--color-text-primary);line-height:1.6;padding:.5rem 0}.cell-chart img{max-width:100%;border-radius:8px}.cell-error{color:var(--error-color);background:#ff64641a;padding:.75rem 1rem;border-radius:8px;border:1px solid rgba(255,100,100,.3)}.message-error{color:var(--error-color);background:#ff64641a;padding:1rem;border-radius:12px;border:1px solid rgba(255,100,100,.3)}.message-dialogue{color:var(--color-text-primary);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1rem 1.25rem;line-height:1.7;font-size:.95rem}@media(max-width:768px){.chat-message.user .message-content{max-width:85%}.plan-details{flex-direction:column;gap:.5rem}}.results-page{min-height:calc(100vh - 80px);padding:var(--space-xl);padding-top:100px}.loading-page{animation:fadeIn .3s ease-out}.results-content{animation:slideUp .5s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center}.loading-spinner{width:56px;height:56px;border:3px solid rgba(99,102,241,.2);border-top-color:var(--color-accent-primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--space-xl)}@keyframes spin{to{transform:rotate(360deg)}}.loading-container h2{margin-bottom:var(--space-md);font-size:1.5rem}.loading-query{font-size:1.1rem;color:var(--color-text-secondary);font-style:italic;margin-bottom:var(--space-lg);max-width:500px}.loading-dots{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}.loading-dot{width:10px;height:10px;background:var(--color-accent-primary);border-radius:50%;animation:pulse 1.4s ease-in-out infinite}.loading-dot:nth-child(2){animation-delay:.2s}.loading-dot:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}}.loading-status{font-size:.9rem;color:var(--color-text-muted)}.error-container{max-width:400px;margin:20vh auto;padding:var(--space-2xl);text-align:center}.error-container h2{margin-bottom:var(--space-md);color:#ef4444}.error-container p{margin-bottom:var(--space-xl)}.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl);flex-wrap:wrap;gap:var(--space-md)}.back-btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text-secondary);font-family:var(--font-sans);font-size:.9rem;cursor:pointer;transition:all var(--transition-fast)}.back-btn:hover{background:var(--color-bg-glass);color:var(--color-text-primary)}.results-meta{display:flex;align-items:center;gap:var(--space-sm)}.meta-badge{padding:var(--space-xs) var(--space-md);background:var(--color-bg-glass);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.85rem;color:var(--color-text-secondary)}.query-summary{margin-bottom:var(--space-xl)}.query-summary h1{font-size:clamp(1.25rem,2.5vw,1.75rem);font-weight:600;color:var(--color-text-primary);font-style:italic;opacity:.9}.cells-container{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-2xl)}.text-cell{padding:var(--space-md);background:var(--color-bg-secondary);border-left:3px solid var(--color-accent-primary);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.9rem;color:var(--color-text-secondary);white-space:pre-wrap}.chart-cell{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md);text-align:center}.chart-cell img{max-width:100%;height:auto;border-radius:var(--radius-sm)}.error-cell{padding:var(--space-md);background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);color:#ef4444;font-family:var(--font-mono);font-size:.9rem}.results-actions{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding-top:var(--space-xl);border-top:1px solid var(--color-border)}@media(max-width:768px){.results-page{padding:var(--space-md)}.results-actions{flex-direction:column}.results-actions .btn{width:100%}}.plan-review{animation:slideUp .4s ease-out}.plan-container{padding:var(--space-xl);margin-bottom:var(--space-xl)}.plan-container h2{margin-bottom:var(--space-md);font-size:1.5rem}.plan-summary{font-size:1.1rem;color:var(--color-text-secondary);margin-bottom:var(--space-xl);line-height:1.6}.plan-section{margin-bottom:var(--space-xl)}.plan-section h3{font-size:1rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-md)}.plan-steps{list-style:none;padding:0;margin:0;counter-reset:step-counter}.plan-step{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--space-sm);counter-increment:step-counter}.plan-step:before{content:counter(step-counter);display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--color-accent-primary);border-radius:50%;font-size:.85rem;font-weight:600;flex-shrink:0}.step-type{padding:var(--space-xs) var(--space-sm);background:#6366f133;border-radius:var(--radius-sm);font-size:.75rem;text-transform:uppercase;color:var(--color-accent-primary);font-weight:500}.plan-outputs{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.output-badge{padding:var(--space-sm) var(--space-md);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.9rem;color:var(--color-text-secondary)}.plan-warning{padding:var(--space-md);background:#fbbf241a;border:1px solid rgba(251,191,36,.3);border-radius:var(--radius-md);color:#fbbf24;font-size:.9rem}.plan-actions{display:flex;align-items:center;justify-content:center;gap:var(--space-md)}.btn-execute{font-size:1.1rem;padding:var(--space-md) var(--space-2xl)}.plan-inline{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--space-xl);font-size:.9rem}.plan-label{color:var(--color-accent-primary);font-weight:500}.plan-text{color:var(--color-text-secondary)}.results-page.chat-mode{display:flex;flex-direction:column;height:calc(100vh - 80px);padding:80px 0 0}.chat-container{flex:1;display:flex;flex-direction:column;max-width:900px;width:100%;margin:0 auto;padding:0 var(--space-lg)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-xl) 0;display:flex;flex-direction:column;gap:var(--space-lg)}.chat-input-form{padding:var(--space-lg) 0;border-top:1px solid var(--color-border);background:var(--color-bg-primary)}.chat-input-container{display:flex;gap:var(--space-md)}.chat-input{flex:1;padding:var(--space-md) var(--space-lg);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);font-size:1rem;transition:border-color .2s ease}.chat-input:focus{outline:none;border-color:var(--color-accent-primary)}.chat-input::placeholder{color:var(--color-text-muted)}.chat-input:disabled{opacity:.6}.chat-submit{padding:var(--space-md) var(--space-xl);min-width:100px}.chat-submit .loading-dots{display:flex;justify-content:center;gap:4px}.chat-submit .loading-dots span{width:6px;height:6px;background:#fff;border-radius:50%;animation:dotBounce 1.4s ease-in-out infinite}.chat-submit .loading-dots span:nth-child(1){animation-delay:0s}.chat-submit .loading-dots span:nth-child(2){animation-delay:.2s}.chat-submit .loading-dots span:nth-child(3){animation-delay:.4s}@keyframes dotBounce{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.app{position:relative;min-height:100vh}.bg-grid{position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}.bg-glow{position:fixed;width:600px;height:600px;border-radius:50%;filter:blur(120px);pointer-events:none;z-index:0}.bg-glow-1{top:-200px;right:-100px;background:radial-gradient(circle,var(--color-accent-primary) 0%,transparent 70%);opacity:.3;animation:float 8s ease-in-out infinite}.bg-glow-2{bottom:-200px;left:-100px;background:radial-gradient(circle,var(--color-success) 0%,transparent 70%);opacity:.2;animation:float 10s ease-in-out infinite reverse}.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:var(--space-md) 0;background:#0a0a0fcc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border)}.nav-content{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-text-primary);text-decoration:none}.logo-icon{font-size:1.5rem}.nav-links{display:flex;align-items:center;gap:var(--space-xl)}.nav-links a{color:var(--color-text-secondary);font-size:.95rem;transition:color var(--transition-fast)}.nav-links a:hover{color:var(--color-text-primary)}.btn-sm{padding:var(--space-sm) var(--space-lg);font-size:.9rem}.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;z-index:1}.hero-content{display:flex;flex-direction:column;align-items:center;text-align:center;animation:slideUp .8s ease-out}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-bg-glass);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.85rem;color:var(--color-text-secondary);margin-bottom:var(--space-xl)}.badge-dot{width:8px;height:8px;background:var(--color-success);border-radius:50%;animation:pulse 2s ease-in-out infinite}.hero-title{margin-bottom:var(--space-lg)}.hero-description{font-size:1.15rem;max-width:550px;margin-bottom:var(--space-2xl)}.query-form{width:100%;max-width:700px;margin-bottom:var(--space-2xl)}.query-input-wrapper{position:relative;display:flex;align-items:center}.settings-cog{position:absolute;left:-50px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-bg-glass);border:1px solid var(--color-border);border-radius:50%;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-base)}.settings-cog:hover{background:var(--color-bg-card);border-color:var(--color-accent-primary);color:var(--color-accent-secondary);transform:rotate(45deg)}.current-settings{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-top:var(--space-sm);margin-bottom:var(--space-sm)}.settings-chip{padding:var(--space-xs) var(--space-md);background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-full);font-size:.8rem;color:var(--color-accent-secondary)}.query-input{width:100%;padding:var(--space-lg) var(--space-xl);padding-right:70px;font-size:1.1rem;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);transition:all var(--transition-base)}.query-input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 4px var(--color-accent-glow)}.query-input::placeholder{color:var(--color-text-muted)}.query-submit{position:absolute;right:8px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));border:none;border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-base)}.query-submit:hover{transform:scale(1.05);box-shadow:0 4px 20px var(--color-accent-glow)}.example-queries{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-sm);margin-top:var(--space-md);justify-content:center}.example-label{font-size:.85rem;color:var(--color-text-muted)}.example-chip{padding:var(--space-xs) var(--space-md);font-family:var(--font-sans);font-size:.8rem;color:var(--color-text-secondary);background:var(--color-bg-glass);border:1px solid var(--color-border);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.example-chip:hover,.example-chip.active{background:var(--color-bg-card);border-color:var(--color-accent-primary);color:var(--color-text-primary)}.hero-stats{display:flex;align-items:center;gap:var(--space-xl)}.stat{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,var(--color-text-primary),var(--color-text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:.85rem;color:var(--color-text-muted)}.stat-divider{width:1px;height:40px;background:var(--color-border)}.section-header{text-align:center;margin-bottom:var(--space-3xl)}.section-header h2{margin-bottom:var(--space-md)}.section-header p{margin:0 auto;font-size:1.1rem}.features{position:relative;z-index:1}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-lg)}.feature-card{padding:var(--space-xl);text-align:center}.feature-icon{font-size:2.5rem;margin-bottom:var(--space-md)}.feature-card h3{margin-bottom:var(--space-sm);color:var(--color-text-primary)}.feature-card p{font-size:.95rem;margin:0 auto}.how-it-works{position:relative;z-index:1;background:var(--color-bg-secondary)}.steps{display:flex;align-items:flex-start;justify-content:center;gap:var(--space-lg);flex-wrap:wrap}.step{flex:1;min-width:250px;max-width:320px;text-align:center}.step-number{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));border-radius:50%;margin-bottom:var(--space-lg)}.step-content h3{margin-bottom:var(--space-sm);color:var(--color-text-primary)}.step-content p{font-size:.95rem;margin:0 auto}.step-connector{display:none;width:60px;height:2px;background:linear-gradient(90deg,var(--color-accent-primary),var(--color-accent-secondary));margin-top:30px}@media(min-width:900px){.step-connector{display:block}}.cta{position:relative;z-index:1}.cta-card{padding:var(--space-3xl);text-align:center;background:linear-gradient(135deg,#6366f11a,#10b9811a);border:1px solid rgba(99,102,241,.2)}.cta-card h2{margin-bottom:var(--space-md)}.cta-card p{margin:0 auto var(--space-xl)}.footer{position:relative;z-index:1;background:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding-top:var(--space-3xl)}.footer-content{display:grid;grid-template-columns:1fr;gap:var(--space-2xl);padding-bottom:var(--space-2xl)}@media(min-width:768px){.footer-content{grid-template-columns:2fr 3fr}}.footer-brand p{margin-top:var(--space-md);font-size:.95rem}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.footer-column{display:flex;flex-direction:column;gap:var(--space-sm)}.footer-column h4{font-size:.9rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-sm)}.footer-column a{font-size:.9rem;color:var(--color-text-secondary)}.footer-column a:hover{color:var(--color-text-primary)}.footer-bottom{border-top:1px solid var(--color-border);padding:var(--space-lg) 0}.footer-bottom p{font-size:.85rem;color:var(--color-text-muted);text-align:center}@media(max-width:768px){.nav-links{display:none}.hero-stats{flex-direction:column;gap:var(--space-lg)}.stat-divider{width:60px;height:1px}.footer-links{grid-template-columns:repeat(2,1fr)}}