:root{--eifer-blue: #212a72;--eifer-blue-dk: #161c52;--eifer-blue-wash: #eef0f9;--eifer-green: #9cc118;--eifer-green-dk:#7b9a12;--stadt: #ea5a06;--umwelt: #2f92d0;--multienergie: #4dff80;--wasserstoff: #6600ff;--allgemein: #c6c6c6;--ink: #0d1020;--ink-soft: #2d3250;--ink-muted: #5a6180;--ink-faint: #9099b3;--ink-ghost: #c8ccde;--paper: #ffffff;--paper-soft: #f7f7fb;--paper-elev: #ffffff;--paper-deep: #eff0f6;--paper-tint: #fbfaf5;--rule: #e7e9f0;--rule-soft: #f0f1f6;--rule-strong:#d4d7e2;--rule-ink: rgba(13, 16, 32, .08);--src-arxiv: var(--stadt);--src-crossref: var(--eifer-blue);--src-openalex: var(--eifer-green);--src-cordis: var(--wasserstoff);--src-hal: var(--umwelt);--src-oa: var(--eifer-green);--success: var(--eifer-green-dk);--warn: var(--stadt);--danger: #c42828;--font-display: "Fraunces", "Source Serif Pro", Georgia, serif;--font-body: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Consolas, monospace;--lead-tight: 1.12;--lead-body: 1.55;--ls-display: -.02em;--ls-body: -.005em;--ls-mono: 0;--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;--space-20: 5rem;--space-24: 6rem;--radius-xs: 4px;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-pill: 999px;--shadow-xs: 0 1px 2px rgba(13,16,32,.04);--shadow-sm: 0 1px 2px rgba(13,16,32,.04), 0 2px 6px -2px rgba(13,16,32,.06);--shadow-md: 0 2px 4px rgba(13,16,32,.05), 0 8px 20px -6px rgba(13,16,32,.1);--shadow-lg: 0 6px 12px -4px rgba(13,16,32,.08), 0 24px 48px -12px rgba(13,16,32,.18);--shadow-xl: 0 12px 24px -8px rgba(13,16,32,.12), 0 36px 80px -20px rgba(13,16,32,.25);--shadow-focus: 0 0 0 3px color-mix(in srgb, var(--eifer-blue) 22%, transparent);--ease: cubic-bezier(.2, .8, .2, 1);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 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transparent)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{font-size:16px;scroll-behavior:smooth;overflow-x:clip}body{overflow-x:clip}@media (max-width: 700px){html{font-size:15px}.header{flex-wrap:wrap;gap:.5rem!important;padding:.65rem .9rem!important}.wordmark .eifer-logo{height:24px}.wordmark .lumiere-mark{height:28px}.wordmark .divider{height:18px}.header nav{order:10;width:100%;overflow-x:auto;gap:.1rem!important;padding:.25rem 0!important;scrollbar-width:none}.header nav::-webkit-scrollbar{display:none}.header nav a{flex-shrink:0;font-size:.82rem!important;padding:.4rem .7rem!important}.user-menu{padding:.2rem .6rem .2rem .2rem;font-size:.76rem}.user-avatar{width:22px;height:22px;font-size:.62rem}.user-login{padding:.35rem .75rem;font-size:.75rem}.hero{padding:var(--space-6) 0 var(--space-5)!important;grid-template-columns:1fr!important;gap:var(--space-3)!important}.hero-emblem{display:none!important}.search-bar input{font-size:1rem!important}.filters-v2-toggle-badge{font-size:.68rem;padding:.15rem .5rem}.stage{padding:var(--space-4)!important}.stage-workarea{grid-template-columns:1fr!important}.ops-log{max-height:260px}.constellation{padding:var(--space-3) var(--space-2)!important}.const-svg{max-height:260px;aspect-ratio:800 / 360}.const-node-label{font-size:13px}.const-node-city{font-size:9px}.src-row-sub{display:none}.filters-v2{padding:var(--space-3) var(--space-4)!important}.year-range input{width:4ch}.result-card{padding:var(--space-3) var(--space-4)!important}.eifer-authors-list,.recently-read-list{grid-template-columns:1fr!important}.topic-chips{gap:.3rem}.site-footer{padding:var(--space-5) var(--space-3)}}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:var(--lead-body);letter-spacing:var(--ls-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"ss01" on,"cv11" on;text-rendering:optimizeLegibility;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);background-image:radial-gradient(ellipse 900px 600px at 88% -10%,color-mix(in srgb,var(--eifer-green) 9%,transparent),transparent 60%),radial-gradient(ellipse 700px 500px at 5% 100%,color-mix(in srgb,var(--eifer-blue) 10%,transparent),transparent 60%);background-attachment:fixed}[data-theme=dark] body{background-image:radial-gradient(ellipse 900px 600px at 88% -10%,color-mix(in srgb,var(--eifer-green) 8%,transparent),transparent 60%),radial-gradient(ellipse 700px 500px at 5% 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