@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#111827cc;--bg-glass:#11182799;--bg-hover:#6366f114;--border:#6366f126;--border-glow:#6366f166;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#6366f1;--accent-light:#818cf8;--accent-glow:#6366f14d;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--gradient-1:linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);--gradient-2:linear-gradient(135deg, #0ea5e9, #6366f1);--gradient-3:linear-gradient(135deg, #6366f1, #ec4899);--shadow-lg:0 20px 60px #0006;--shadow-glow:0 0 30px #6366f126;--radius:12px;--radius-lg:16px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,sans-serif;line-height:1.6;overflow-x:hidden}#root{min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}.container{max-width:1200px;margin:0 auto;padding:0 24px}.glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg)}.glow-border{border:1px solid var(--border-glow);box-shadow:var(--shadow-glow)}.gradient-text{background:var(--gradient-1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{border-radius:var(--radius);cursor:pointer;transition:var(--transition);border:none;outline:none;align-items:center;gap:8px;padding:12px 28px;font-family:Inter,sans-serif;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--gradient-1);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{box-shadow:0 8px 30px var(--accent-glow);transform:translateY(-2px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-glow)}.input-group{width:100%;position:relative}.input-glow{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:16px 140px 16px 20px;font-family:Inter,sans-serif;font-size:16px}.input-glow:focus{border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.input-glow::placeholder{color:var(--text-muted)}.input-group .btn{padding:10px 24px;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:24px}.card:hover{border-color:var(--border-glow)}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 24px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(circle at 50% 50%, var(--accent-glow) 0%, transparent 50%);pointer-events:none;width:200%;height:200%;animation:8s ease-in-out infinite heroGlow;position:absolute;top:-50%;left:-50%}@keyframes heroGlow{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.5;transform:scale(1.1)}}.hero-badge{background:var(--bg-glass);border:1px solid var(--border);color:var(--accent-light);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 16px;font-size:13px;display:inline-flex}.hero h1{margin-bottom:20px;font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;line-height:1.1;position:relative}.hero p{color:var(--text-secondary);max-width:600px;margin-bottom:40px;font-size:clamp(1rem,2vw,1.25rem);line-height:1.7}.hero .input-group{z-index:1;width:100%;max-width:600px;position:relative}.hero-features{z-index:1;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;width:100%;max-width:800px;margin-top:60px;display:grid;position:relative}.login-screen{background:radial-gradient(circle at 50% 40%, #6366f12e 0%, transparent 55%), var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-modal{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border-glow);width:100%;max-width:430px;box-shadow:var(--shadow-lg);color:var(--text-primary);background:#111827b3;border-radius:16px;padding:28px 24px}.login-title{text-align:center;margin-bottom:8px;font-size:36px;font-weight:600}.login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:18px;font-size:14px}.login-form{gap:10px;display:grid}.login-input{border:1px solid var(--border);width:100%;height:46px;color:var(--text-primary);background:#0a0e1ad9;border-radius:999px;outline:none;padding:0 16px;font-size:15px;transition:border-color .2s,box-shadow .2s}.login-input::placeholder{color:var(--text-muted)}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6366f12e}.login-continue-btn{background:var(--gradient-1);color:#fff;cursor:pointer;width:100%;height:46px;transition:var(--transition);border:none;border-radius:999px;font-size:15px;font-weight:600;box-shadow:0 8px 26px #6366f140}.login-continue-btn:hover{transform:translateY(-1px)}.login-continue-btn:disabled{opacity:.5;cursor:not-allowed}.login-error{color:#fecaca;background:#ef44441f;border:1px solid #ef444440;border-radius:10px;margin-top:12px;padding:10px 12px;font-size:13px}.feature-card{text-align:left;padding:20px}.feature-card .icon{margin-bottom:10px;font-size:28px}.feature-card h3{margin-bottom:6px;font-size:15px;font-weight:600}.feature-card p{color:var(--text-muted);font-size:13px;line-height:1.5}.progress-container{justify-content:center;align-items:center;min-height:100vh;padding:40px 24px;display:flex}.progress-card{text-align:center;width:100%;max-width:560px;padding:40px}.progress-card h2{margin-bottom:8px;font-size:24px}.progress-card .subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.steps{text-align:left;flex-direction:column;gap:0;margin-bottom:32px;display:flex}.step{border-radius:var(--radius);transition:var(--transition);align-items:center;gap:14px;padding:14px 16px;display:flex}.step.active{background:var(--bg-hover)}.step-indicator{width:32px;height:32px;transition:var(--transition);border:2px solid 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.6s}.dashboard,.explorer{min-height:100vh;display:flex}.explorer-sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;gap:14px;width:310px;min-width:310px;padding:18px 16px;display:flex}.explorer-brand{padding:10px 8px 6px}.brand-title{font-size:18px;font-weight:800}.brand-subtitle{color:var(--text-muted);margin-top:4px;font-size:12px}.sidebar-card{border:1px solid var(--border);background:#11182799;border-radius:14px;padding:14px}.sidebar-card-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px;font-size:12px}.sidebar-user{justify-content:space-between;align-items:center;gap:10px;display:flex}.sidebar-user-email{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;max-width:170px;font-size:13px;overflow:hidden}.radio-row{color:var(--text-secondary);align-items:center;gap:10px;margin-bottom:8px;font-size:13px;display:flex}.sidebar-field{margin-top:10px}.sidebar-field-label{color:var(--text-muted);margin-bottom:6px;font-size:12px}.sidebar-input{background:var(--bg-primary);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:10px;outline:none;padding:10px 12px}.sidebar-input:focus{border-color:var(--accent);box-shadow:0 0 16px var(--accent-glow)}.zip-drop{background:#6366f10f;border:1px dashed #818cf880;border-radius:12px;padding:14px;position:relative;overflow:hidden}.zip-drop input[type=file]{opacity:0;cursor:pointer;position:absolute;inset:0}.zip-drop-title{color:var(--text-secondary);font-size:13px}.zip-drop-subtitle{color:var(--text-muted);margin-top:4px;font-size:12px}.zip-selected{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;margin-top:10px;font-size:12px;overflow:hidden}.sidebar-analyze{justify-content:center;width:100%;margin-top:12px}.sidebar-error{color:var(--error);margin-top:10px;font-size:13px}.sidebar-stats{grid-template-columns:1fr 1fr;gap:10px 12px;display:grid}.sidebar-stats .k{color:var(--text-muted);font-size:11px;display:block}.sidebar-stats .v{color:var(--accent-light);margin-top:2px;font-size:14px;font-weight:700;display:block}.explorer-main{flex:1;min-width:0;padding:22px 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svg{max-width:100%;height:auto}.abstractions-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:16px;display:grid}.abstraction-card{cursor:pointer}.abstraction-card:hover{border-color:var(--accent);transform:translateY(-2px)}.abstraction-card h4{margin-bottom:6px;font-size:15px;font-weight:600}.abstraction-card p{color:var(--text-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.chapter-content{animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chapter-content h1{border-bottom:1px solid var(--border);margin-bottom:8px;padding-bottom:16px;font-size:28px;font-weight:800}.chapter-content h2{color:var(--text-primary);margin:32px 0 12px;font-size:22px;font-weight:700}.chapter-content h3{color:var(--text-primary);margin:24px 0 10px;font-size:18px;font-weight:600}.chapter-content 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solid var(--border);cursor:pointer;transition:var(--transition);background:#6366f11f;border-radius:4px;padding:2px 8px;font-family:JetBrains Mono,monospace;font-size:12px}.file-chip:hover{border-color:var(--accent);background:#6366f12e}.file-hover-preview{z-index:1200;background:var(--bg-secondary);border:1px solid var(--border-glow);width:min(540px,90vw);max-height:min(380px,70vh);box-shadow:var(--shadow-lg);border-radius:var(--radius);pointer-events:none;padding:10px 12px;position:fixed;overflow:hidden}.file-hover-title{color:var(--accent-light);margin-bottom:8px;font-size:12px;font-weight:600}.file-hover-preview pre{background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;max-height:300px;margin:0;padding:10px;font-size:12px;line-height:1.6;overflow:auto}.chapter-content blockquote{border-left:3px solid var(--accent);background:var(--bg-hover);border-radius:0 var(--radius) var(--radius) 0;color:var(--text-secondary);margin:16px 0;padding:12px 20px}.chapter-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:48px;padding-top:24px;display:flex}.chat-toggle{background:var(--gradient-1);cursor:pointer;width:56px;height:56px;box-shadow:0 4px 24px var(--accent-glow);z-index:1000;transition:var(--transition);color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:24px;display:flex;position:fixed;bottom:24px;right:24px}.chat-toggle:hover{box-shadow:0 8px 32px var(--accent-glow);transform:scale(1.1)}.chat-toggle.has-dot:after{content:"";background:var(--error);border:2px solid var(--bg-primary);border-radius:50%;width:12px;height:12px;position:absolute;top:2px;right:2px}.chat-panel{border-radius:var(--radius-lg);z-index:1000;width:380px;height:520px;box-shadow:var(--shadow-lg);flex-direction:column;animation:.3s slideUp;display:flex;position:fixed;bottom:92px;right:24px;overflow:hidden}.chat-panel-embedded{border:1px solid var(--border);width:100%;height:620px;box-shadow:none;animation:none;position:static}.chat-panel-embedded .chat-header{background:#111827bf}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{border-bottom:1px solid var(--border);background:var(--bg-secondary);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.chat-header h3{font-size:15px;font-weight:600}.chat-close{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;padding:4px;font-size:20px}.chat-close:hover{color:var(--text-primary)}.chat-messages{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.chat-msg{border-radius:12px;max-width:85%;padding:10px 14px;font-size:13px;line-height:1.6}.chat-msg.user{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-msg.ai{background:var(--bg-secondary);border:1px solid 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16px;font-size:14px}.chat-send:hover{background:var(--accent-light)}.chat-send:disabled{opacity:.4;cursor:not-allowed}.stats-row{flex-wrap:wrap;gap:12px;margin-bottom:24px;display:flex}.stat-badge{background:var(--bg-hover);color:var(--text-secondary);border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;display:flex}.stat-badge .num{color:var(--accent-light);font-weight:700}@media (width<=768px){.sidebar{display:none}.main-content{padding:20px}.chat-panel{width:calc(100vw - 32px);height:60vh;bottom:80px;right:16px}.hero-features{grid-template-columns:1fr}}