@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary:#0a0a1a;--bg-secondary:#111128;--bg-card:#14143299;--bg-card-hover:#1e1e46b3;--glass:#ffffff0a;--glass-border:#ffffff14;--accent-1:#818cf8;--accent-2:#c084fc;--accent-3:#22d3ee;--accent-gradient:linear-gradient(135deg, #818cf8, #c084fc);--text-primary:#f0f0ff;--text-secondary:#9ca3bf;--text-muted:#6b7294;--success:#34d399;--warning:#fbbf24;--error:#f87171;--radius:12px;--radius-lg:16px;--shadow-glow:0 0 30px #818cf826}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,sans-serif;overflow-x:hidden}body:before{content:"";z-index:-1;background:radial-gradient(at 30% 20%,#818cf814 0%,#0000 50%),radial-gradient(at 70% 80%,#c084fc0f 0%,#0000 50%);width:200%;height:200%;animation:15s ease-in-out infinite alternate bgPulse;position:fixed;top:-50%;left:-50%}@keyframes bgPulse{0%{transform:translate(0)scale(1)}to{transform:translate(-3%,2%)scale(1.05)}}.app{max-width:1200px;margin:0 auto;padding:0 24px}.app-header{border-bottom:1px solid var(--glass-border);margin-bottom:32px;padding:28px 0 20px}.logo-container{align-items:center;gap:16px;display:flex}.logo-icon svg{width:44px;height:44px}.app-title{background:var(--accent-gradient);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.app-subtitle{color:var(--text-muted);margin-top:2px;font-size:.82rem}.step-progress{align-items:center;gap:0;margin-bottom:36px;display:flex}.step-indicator{background:var(--glass);border:1px solid var(--glass-border);cursor:default;white-space:nowrap;border-radius:50px;align-items:center;gap:10px;padding:10px 18px;transition:all .3s;display:flex;position:relative}.step-indicator.active{border-color:var(--accent-1);background:#818cf826;box-shadow:0 0 20px #818cf833}.step-indicator.completed{border-color:var(--success);background:#34d3991a}.step-indicator.locked{opacity:.4}.step-number{background:var(--glass);border:1px solid var(--glass-border);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.75rem;font-weight:700;display:flex}.step-indicator.active .step-number{background:var(--accent-gradient);color:#fff;border:none}.step-indicator.completed .step-number{background:var(--success);color:#0a0a1a;border:none}.step-label{color:var(--text-secondary);font-size:.8rem;font-weight:500}.step-indicator.active .step-label{color:var(--text-primary)}.step-connector{background:var(--glass-border);flex:1;min-width:20px;height:2px;margin:0 4px}.step-connector.completed{background:var(--success)}.card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:28px;transition:all .3s}.card:hover{border-color:#818cf833}.card-header{align-items:center;gap:14px;margin-bottom:20px;display:flex}.card-icon{background:var(--glass);border-radius:var(--radius);border:1px solid var(--glass-border);justify-content:center;align-items:center;width:48px;height:48px;font-size:1.6rem;display:flex}.card-title{font-size:1.15rem;font-weight:600}.card-description{color:var(--text-muted);margin-top:3px;font-size:.82rem}.btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:10px 22px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .25s;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 15px #818cf84d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #818cf866}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--glass);color:var(--text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-1)}.dropzone{border:2px dashed var(--glass-border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:var(--glass);padding:48px 32px;transition:all .3s}.dropzone:hover,.dropzone.active{border-color:var(--accent-1);box-shadow:var(--shadow-glow);background:#818cf80f}.dropzone-icon{opacity:.7;margin-bottom:16px;font-size:3rem}.dropzone-text{color:var(--text-secondary);font-size:.95rem}.dropzone-hint{color:var(--text-muted);margin-top:8px;font-size:.78rem}.select-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.select-card{border-radius:var(--radius);background:var(--glass);border:1.5px solid var(--glass-border);cursor:pointer;padding:18px;transition:all .25s}.select-card:hover{background:var(--bg-card-hover);border-color:#818cf84d;transform:translateY(-2px)}.select-card.selected{border-color:var(--accent-1);background:#818cf81a;box-shadow:0 0 20px #818cf826}.select-card-icon{margin-bottom:8px;font-size:1.5rem}.select-card-name{margin-bottom:4px;font-size:.9rem;font-weight:600}.select-card-desc{color:var(--text-muted);font-size:.75rem;line-height:1.5}.select-card-badge{color:var(--accent-1);background:#818cf826;border-radius:50px;margin-top:8px;padding:3px 10px;font-size:.7rem;font-weight:600;display:inline-block}.chunks-container{max-height:400px;padding-right:8px;overflow-y:auto}.chunks-container::-webkit-scrollbar{width:6px}.chunks-container::-webkit-scrollbar-track{background:0 0}.chunks-container::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:3px}.chunk-item{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);color:var(--text-secondary);margin-bottom:10px;padding:14px 16px;font-size:.82rem;line-height:1.6;transition:all .2s}.chunk-item:hover{border-color:#818cf833}.chunk-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;margin-bottom:8px;padding-bottom:8px;display:flex}.chunk-index{color:var(--accent-1);font-size:.75rem;font-weight:600}.chunk-length{color:var(--text-muted);font-size:.7rem}.stats-row{flex-wrap:wrap;gap:14px;margin-bottom:20px;display:flex}.stat-card{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);text-align:center;flex:1;min-width:120px;padding:16px}.stat-value{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;font-size:.72rem}.slider-group{margin-bottom:16px}.slider-label{color:var(--text-secondary);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.82rem;display:flex}.slider-value{color:var(--accent-1);font-family:JetBrains Mono,monospace;font-weight:700}input[type=range]{appearance:none;background:var(--glass-border);border-radius:3px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent-gradient);cursor:pointer;border-radius:50%;width:18px;height:18px;box-shadow:0 0 10px #818cf866}.viz-toggle{background:var(--glass);border-radius:10px;gap:4px;margin-bottom:16px;padding:4px;display:inline-flex}.viz-toggle-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:8px;padding:8px 20px;font-family:inherit;font-size:.8rem;font-weight:600;transition:all .2s}.viz-toggle-btn.active{background:var(--accent-gradient);color:#fff}.query-input-group{gap:12px;margin-bottom:24px;display:flex}.query-input{background:var(--glass);border:1.5px solid var(--glass-border);border-radius:var(--radius);color:var(--text-primary);outline:none;flex:1;padding:14px 18px;font-family:inherit;font-size:.9rem;transition:border-color .2s}.query-input:focus{border-color:var(--accent-1)}.query-input::placeholder{color:var(--text-muted)}.answers-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.answer-card{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);padding:20px}.answer-card.rag{border-color:#34d3994d}.answer-label{text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--glass-border);margin-bottom:12px;padding-bottom:8px;font-size:.75rem;font-weight:700}.answer-label.plain{color:var(--text-muted)}.answer-label.rag{color:var(--success)}.answer-text{color:var(--text-secondary);white-space:pre-wrap;font-size:.85rem;line-height:1.7}.sources-section{margin-top:20px}.sources-title{color:var(--accent-1);margin-bottom:10px;font-size:.8rem;font-weight:600}.source-chip{color:var(--accent-1);background:#818cf81a;border:1px solid #818cf833;border-radius:50px;align-items:center;gap:6px;margin:4px;padding:6px 14px;font-size:.72rem;font-weight:500;display:inline-flex}.source-score{color:var(--success);font-family:JetBrains Mono,monospace}.loading-container{flex-direction:column;align-items:center;gap:16px;padding:40px;display:flex}.spinner{border:3px solid var(--glass-border);border-top-color:var(--accent-1);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-muted);font-size:.85rem}.suggestions{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.suggestion-chip{background:var(--glass);border:1px solid var(--glass-border);color:var(--text-secondary);cursor:pointer;border-radius:50px;padding:8px 16px;font-size:.78rem;transition:all .2s}.suggestion-chip:hover{border-color:var(--accent-1);color:var(--text-primary);background:#818cf814}.text-preview{border-radius:var(--radius);border:1px solid var(--glass-border);max-height:300px;color:var(--text-secondary);white-space:pre-wrap;background:#0000004d;padding:16px;font-family:JetBrains Mono,monospace;font-size:.8rem;line-height:1.7;overflow-y:auto}@media (width<=768px){.step-progress{flex-wrap:wrap;gap:8px}.step-connector{display:none}.answers-grid,.select-grid{grid-template-columns:1fr}.stats-row{flex-direction:column}}.plot-container{border-radius:var(--radius);border:1px solid var(--glass-border);margin-top:16px;overflow:hidden}.success-banner{border-radius:var(--radius);color:var(--success);background:#34d3991a;border:1px solid #34d39933;align-items:center;gap:10px;margin-bottom:16px;padding:12px 18px;font-size:.85rem;font-weight:500;display:flex}.section-title{color:var(--text-primary);margin:20px 0 12px;font-size:.9rem;font-weight:600}