@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap";@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg-primary:#080c1a;--color-bg-secondary:#0d1228;--color-bg-card:#111827;--color-bg-surface:#162030;--color-bg-elevated:#1c2a40;--color-bg-input:#0f1928;--color-accent:#00d4aa;--color-accent-hover:#00f2c3;--color-accent-dim:#00d4aa1f;--color-accent-border:#00d4aa4d;--color-blue:#4e9fff;--color-blue-dim:#4e9fff1f;--color-blue-border:#4e9fff40;--color-purple:#8b5cf6;--color-purple-dim:#8b5cf61f;--color-text-primary:#f0f6ff;--color-text-secondary:#94a3b8;--color-text-muted:#64748b;--color-text-accent:#00d4aa;--color-border:#ffffff12;--color-border-hover:#ffffff26;--color-border-accent:var(--color-accent-border);--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--font-primary:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display:"Outfit", "Inter", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 24px #00000080;--shadow-accent:0 0 30px #00d4aa26;--shadow-blue:0 0 20px #4e9fff1a;--glass-bg:#ffffff0a;--glass-border:#ffffff14;--glass-blur:blur(20px);--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s 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h3,.prose h4{font-family:var(--font-display);margin:var(--space-6) 0 var(--space-3);color:var(--color-text-primary)}.prose h2{font-size:var(--text-lg);color:var(--color-accent)}.prose h3{font-size:var(--text-base);color:var(--color-blue)}.prose p{margin:var(--space-3) 0}.prose ul,.prose ol{margin:var(--space-3) 0;padding-left:var(--space-6)}.prose li{margin:var(--space-1) 0}.prose strong{color:var(--color-accent);font-weight:600}.prose em{color:var(--color-text-secondary)}.prose code{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px var(--space-2);font-family:var(--font-mono);color:var(--color-blue);font-size:.9em}.prose pre{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);margin:var(--space-4) 0;overflow-x:auto}.prose pre code{background:0 0;border:none;padding:0}.prose blockquote{border-left:3px solid var(--color-accent);padding-left:var(--space-4);margin:var(--space-4) 0;color:var(--color-text-secondary)}.prose table{border-collapse:collapse;width:100%;margin:var(--space-4) 0;font-size:var(--text-xs)}.prose th{background:var(--color-bg-elevated);padding:var(--space-2) var(--space-3);text-align:left;color:var(--color-accent);border-bottom:1px solid var(--color-border);font-weight:600}.prose td{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border)}.prose tr:hover 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0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.auth-layout{min-height:100vh;padding:var(--space-6);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.auth-layout:before{content:"";pointer-events:none;background:radial-gradient(#00d4aa14 0%,#0000 70%);width:60%;height:60%;animation:8s ease-in-out infinite float;position:absolute;top:-30%;left:-20%}.auth-layout:after{content:"";pointer-events:none;background:radial-gradient(#4e9fff0f 0%,#0000 70%);width:50%;height:50%;animation:10s ease-in-out infinite reverse float;position:absolute;bottom:-20%;right:-15%}@keyframes float{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-20px)scale(1.05)}}.auth-container{z-index:1;width:100%;max-width:440px;animation:.5s both 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var(--space-2))}.password-strength{border-radius:var(--radius-full);background:var(--color-border);height:4px;margin-top:var(--space-1);overflow:hidden}.password-strength-bar{border-radius:var(--radius-full);height:100%;transition:width var(--transition-base), background var(--transition-base)}.strength-0{background:0 0;width:0%}.strength-1{background:var(--color-error);width:25%}.strength-2{background:var(--color-warning);width:50%}.strength-3{background:var(--color-blue);width:75%}.strength-4{background:var(--color-accent);width:100%}.password-strength-label{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-1)}.select{width:100%;padding:var(--space-3) var(--space-4);background:var(--color-bg-input);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);font-family:var(--font-primary);font-size:var(--text-sm);transition:all var(--transition-base);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-3) center;padding-right:var(--space-10);outline:none}.select option{background:var(--color-bg-secondary)}.btn-auth{width:100%;padding:var(--space-4);font-size:var(--text-base);border-radius:var(--radius-lg);margin-top:var(--space-2)}.auth-footer{text-align:center;margin-top:var(--space-6);font-size:var(--text-sm);color:var(--color-text-secondary)}.auth-footer a{color:var(--color-accent);font-weight:600}.auth-error{border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);color:var(--color-error);font-size:var(--text-sm);align-items:center;gap:var(--space-2);background:#ef44441a;border:1px solid #ef444440;animation:.3s 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var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer;transition:all var(--transition-base);background:0 0;font-weight:600;display:inline-flex}.btn-ghost:hover{background:var(--color-bg-elevated);border-color:var(--color-text-muted);color:var(--color-text-primary)}.chat-layout{z-index:1;height:100vh;display:flex;position:relative;overflow:hidden}.sidebar{background:var(--color-bg-secondary);border-right:1px solid var(--color-border);width:280px;transition:transform var(--transition-base);z-index:var(--z-sidebar);flex-direction:column;flex-shrink:0;display:flex}.sidebar-header{padding:var(--space-5) var(--space-4);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.sidebar-brand{align-items:center;gap:var(--space-3);display:flex}.sidebar-logo{background:linear-gradient(135deg, var(--color-accent), #00a88b);border-radius:var(--radius-lg);justify-content:center;align-items:center;width:32px;height:32px;display:flex;box-shadow:0 0 15px #00d4aa4d}.sidebar-brand-name{font-family:var(--font-display);font-size:var(--text-base);background:linear-gradient(135deg, var(--color-text-primary), var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:700}.sidebar-new-chat{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);margin:var(--space-3) var(--space-3);background:var(--color-accent-dim);border:1px solid var(--color-accent-border);border-radius:var(--radius-lg);color:var(--color-accent);font-size:var(--text-sm);cursor:pointer;transition:all var(--transition-fast);flex:1;font-weight:600;display:flex}.sidebar-new-chat:hover{background:#00d4aa33;box-shadow:0 0 15px #00d4aa26}.sidebar-nav-btn{border-radius:var(--radius-full);width:100%;font-size:var(--text-sm);cursor:pointer;transition:all var(--transition-fast);background:var(--color-accent-dim);border:1px solid var(--color-accent-border);color:var(--color-accent);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:8px;padding:9px 14px;font-weight:600;display:flex;overflow:hidden}.sidebar-nav-btn:hover{background:#00d4aa33;transform:translateY(-1px);box-shadow:0 0 12px #00d4aa26}.sidebar-nav-btn-quiz{background:var(--color-bg-card);border-color:var(--color-border);color:var(--color-text-primary)}.sidebar-nav-btn-quiz:hover{background:var(--color-bg-elevated);border-color:var(--color-accent-border);box-shadow:var(--shadow-sm)}.sidebar-section-title{padding:var(--space-3) var(--space-4) var(--space-2);font-size:var(--text-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.conversations-list{padding:0 var(--space-2) var(--space-3);flex:1;overflow-y:auto}.conversation-item{align-items:center;gap:var(--space-3);padding:var(--space-3) 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