@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");:root{--color-bg-primary:#ffffff;--color-bg-secondary:#f8f9fc;--color-bg-tertiary:#f0f2f7;--color-bg-elevated:#ffffff;--color-bg-inset:#eef1f6;--color-text-primary:#111827;--color-text-secondary:#4b5563;--color-text-tertiary:#9ca3af;--color-text-inverse:#ffffff;--color-accent:#3b5bdb;--color-accent-hover:#2b4acb;--color-accent-light:#eef2ff;--color-accent-subtle:#dbeafe;--color-success:#059669;--color-success-light:#ecfdf5;--color-warning:#d97706;--color-warning-light:#fffbeb;--color-error:#dc2626;--color-error-light:#fef2f2;--color-info:#2563eb;--color-info-light:#eff6ff;--color-science:#7c3aed;--color-engineering:#0891b2;--color-policy:#be185d;--color-border:#e5e7eb;--color-border-strong:#d1d5db;--color-border-focus:#3b5bdb;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 25px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);--shadow-xl:0 20px 50px -12px rgba(0,0,0,0.12);--glass-bg:rgba(255,255,255,0.7);--glass-border:rgba(255,255,255,0.3);--glass-blur:16px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--text-xs:0.75rem;--text-sm:0.8125rem;--text-base:0.9375rem;--text-lg:1.125rem;--text-xl:1.3125rem;--text-2xl:1.625rem;--text-3xl:2rem;--text-4xl:2.5rem;--transition-fast:120ms ease;--transition-base:200ms ease;--transition-slow:350ms ease;--navbar-height:60px;--sidebar-width:260px;--content-max-width:1200px}[data-theme=dark]{color-scheme:dark;--color-bg-primary:#13141f;--color-bg-secondary:#0d0e17;--color-bg-tertiary:#1a1b2e;--color-bg-elevated:#181926;--color-bg-inset:#10111c;--color-text-primary:#e8eaf0;--color-text-secondary:#9098b0;--color-text-tertiary:#5a6080;--color-text-inverse:#0d0e17;--color-accent:#818cf8;--color-accent-hover:#a5b4fc;--color-accent-light:rgba(129,140,248,0.12);--color-accent-subtle:rgba(129,140,248,0.08);--color-success:#34d399;--color-success-light:rgba(52,211,153,0.1);--color-warning:#fbbf24;--color-warning-light:rgba(251,191,36,0.1);--color-error:#f87171;--color-error-light:rgba(248,113,113,0.1);--color-danger:#f87171;--color-info:#60a5fa;--color-info-light:rgba(96,165,250,0.1);--color-science:#a78bfa;--color-engineering:#22d3ee;--color-policy:#f472b6;--color-border:#262840;--color-border-strong:#363a5c;--color-border-focus:#818cf8;--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.4),0 2px 4px -2px rgba(0,0,0,0.3);--shadow-lg:0 10px 25px -3px rgba(0,0,0,0.5),0 4px 6px -4px rgba(0,0,0,0.3);--shadow-xl:0 20px 50px -12px rgba(0,0,0,0.6);--glass-bg:rgba(19,20,31,0.8);--glass-border:rgba(38,40,64,0.5)}[data-theme=dark] .badge-science{background:rgba(167,139,250,.15);color:#c4b5fd}[data-theme=dark] .badge-engineering{background:rgba(34,211,238,.12);color:#67e8f9}[data-theme=dark] .badge-policy{background:rgba(244,114,182,.12);color:#f9a8d4}[data-theme=dark] .status-open{background:rgba(96,165,250,.15);color:#93bbfd}[data-theme=dark] .status-resolved{background:rgba(52,211,153,.12);color:#6ee7b7}[data-theme=dark] .status-needs-evidence{background:rgba(251,191,36,.12);color:#fcd34d}[data-theme=dark] .status-blocked{background:rgba(248,113,113,.12);color:#fca5a5}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#363a5c}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#484c72}[data-theme=dark] .input{background:var(--color-bg-tertiary);border-color:var(--color-border);color:var(--color-text-primary)}[data-theme=dark] ::selection{background:rgba(129,140,248,.3);color:#e8eaf0}html{transition:background-color .25s ease,color .25s ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-secondary);min-height:100vh}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;color:var(--color-text-primary)}h1{font-size:var(--text-4xl);letter-spacing:-.03em}h2{font-size:var(--text-3xl);letter-spacing:-.02em}h3{font-size:var(--text-2xl);letter-spacing:-.01em}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}code,pre{font-family:var(--font-mono);font-size:var(--text-sm)}pre{background:var(--color-bg-tertiary);border-radius:var(--radius-md);padding:var(--space-md);overflow-x:auto;border:1px solid var(--color-border)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;font-family:var(--font-sans);font-size:var(--text-sm);font-weight:600;line-height:1;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--color-accent);color:var(--color-text-inverse);box-shadow:var(--shadow-sm),0 1px 3px rgba(59,91,219,.3)}.btn-primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-md),0 2px 8px rgba(59,91,219,.35);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-primary);color:var(--color-text-primary);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-strong)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn-sm{padding:6px 14px;font-size:var(--text-xs)}.btn-lg{padding:14px 28px;font-size:var(--text-base)}.btn-icon{padding:8px;border-radius:var(--radius-sm)}.input{width:100%;padding:10px 14px;font-family:var(--font-sans);font-size:var(--text-sm);color:var(--color-text-primary);background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);outline:none;transition:all var(--transition-fast)}.input:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-accent-light)}.input::placeholder{color:var(--color-text-tertiary)}.textarea{resize:vertical;min-height:100px}.label{display:block;font-size:var(--text-sm);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-xs)}.label-hint{font-weight:400;color:var(--color-text-tertiary);margin-left:var(--space-xs)}.card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-base)}.card-interactive:hover{box-shadow:var(--shadow-lg);border-color:var(--color-border-strong);transform:translateY(-2px)}.card-glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:var(--text-xs);font-weight:600;border-radius:var(--radius-full);line-height:1.4}.badge-science{background:#ede9fe;color:#6d28d9}.badge-engineering{background:#ecfeff;color:#0e7490}.badge-policy{background:#fce7f3;color:#9d174d}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-error{background:var(--color-error-light);color:var(--color-error)}.badge-info{background:var(--color-info-light);color:var(--color-info)}.badge-neutral{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.status-open{background:#dbeafe;color:#1e40af}.status-resolved{background:#dcfce7;color:#166534}.status-needs-evidence{background:#fef3c7;color:#92400e}.status-blocked{background:#fee2e2;color:#991b1b}.container{max-width:var(--content-max-width);margin:0 auto;padding:0 var(--space-lg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-strong)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn var(--transition-base) ease-out}.animate-slide-up{animation:slideUp var(--transition-slow) ease-out}.animate-slide-in-right{animation:slideInRight var(--transition-slow) ease-out}.skeleton{background:linear-gradient(90deg,var(--color-bg-tertiary) 25%,var(--color-bg-inset) 50%,var(--color-bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}.notebook-cell{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:var(--space-sm);overflow:hidden}.notebook-cell-header{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--color-bg-tertiary);font-size:var(--text-xs);font-family:var(--font-mono);color:var(--color-text-tertiary);border-bottom:1px solid var(--color-border)}.notebook-cell-code{background:var(--color-bg-secondary);font-family:var(--font-mono);line-height:1.6;overflow-x:auto;white-space:pre}.notebook-cell-code,.notebook-cell-output{padding:var(--space-md);font-size:var(--text-sm)}.notebook-cell-output{background:var(--color-bg-primary);border-top:1px solid var(--color-border)}.notebook-cell-markdown{padding:var(--space-md) var(--space-lg);line-height:1.7}.graph-container{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;position:relative}.graph-controls{position:absolute;top:var(--space-md);right:var(--space-md);display:flex;gap:var(--space-xs);z-index:10}@media (max-width:768px){:root{--navbar-height:56px;--sidebar-width:100%;--space-lg:16px;--space-xl:24px;--text-4xl:2rem;--text-3xl:1.625rem}.container{padding:0 var(--space-md)}}.Navbar_navbar__3BIeH{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--color-border);z-index:100}.Navbar_inner__Zc9of{max-width:1400px;margin:0 auto;height:100%;display:flex;align-items:center;padding:0 var(--space-lg);gap:var(--space-lg)}.Navbar_logo__Am5h2{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-accent);text-decoration:none;flex-shrink:0}.Navbar_logoText__WcSgJ{font-size:var(--text-lg);font-weight:800;letter-spacing:-.02em;color:var(--color-text-primary)}.Navbar_searchForm__SRDFW{flex:1 1;max-width:540px;position:relative}.Navbar_searchIcon__wjnxJ{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--color-text-tertiary);pointer-events:none}.Navbar_searchInput__NW2T1{width:100%;padding:9px 14px 9px 40px;font-family:var(--font-sans);font-size:var(--text-sm);background:var(--color-bg-tertiary);border:1px solid transparent;border-radius:var(--radius-full);outline:none;transition:all var(--transition-fast);color:var(--color-text-primary)}.Navbar_searchInput__NW2T1:focus{background:var(--color-bg-primary);border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-accent-light)}.Navbar_searchInput__NW2T1::placeholder{color:var(--color-text-tertiary)}.Navbar_actions__TwM5h{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.Navbar_userMenu__1dMFs{position:relative}.Navbar_avatarBtn__ug_lG{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);border:1px solid var(--color-border);background:var(--color-bg-primary);cursor:pointer;color:var(--color-text-secondary);transition:all var(--transition-fast)}.Navbar_avatarBtn__ug_lG:hover{border-color:var(--color-border-strong);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.Navbar_dropdown__1vJ_E{position:absolute;top:calc(100% + 8px);right:0;width:220px;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:200;animation:Navbar_fadeIn__Q2B5n var(--transition-fast);overflow:hidden}.Navbar_dropdownHeader__I1QBj{padding:var(--space-md);display:flex;flex-direction:column;gap:2px}.Navbar_dropdownName___icJ4{font-weight:600;font-size:var(--text-sm);color:var(--color-text-primary)}.Navbar_dropdownEmail__3GG1M{font-size:var(--text-xs);color:var(--color-text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.Navbar_dropdownDivider__6R6hE{height:1px;background:var(--color-border)}.Navbar_dropdownItem__vfTIG{display:flex;align-items:center;gap:var(--space-sm);width:100%;padding:10px var(--space-md);font-size:var(--text-sm);color:var(--color-text-secondary);background:none;border:none;cursor:pointer;text-decoration:none;transition:background var(--transition-fast);text-align:left;font-family:var(--font-sans)}.Navbar_dropdownItem__vfTIG:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}@media (max-width:768px){.Navbar_logoText__WcSgJ,.Navbar_searchForm__SRDFW{display:none}}