.nf{background:var(--shell-bg);min-height:100vh;color:var(--shell-text);justify-content:center;align-items:center;padding:4rem 1rem;display:flex;position:relative;overflow:hidden}.nf-inner{z-index:1;width:100%;max-width:44rem;position:relative}.nf-only-kage{display:none}:root[data-shell=kage] .nf-only-kage,:root:not([data-shell]) .nf-only-kage{display:inline}:root[data-shell=kage] .nf-only-fut,:root:not([data-shell]) .nf-only-fut{display:none}.nf-eyebrow{font-family:var(--font-geist-mono), monospace;letter-spacing:.3em;text-transform:uppercase;color:var(--shell-faint);font-size:10px}.nf-code{margin:.75rem 0 0;font-weight:700;line-height:.85}.nf-lede{max-width:34rem;color:var(--shell-muted);margin-top:1.25rem;line-height:1.7}.nf-ways{gap:.5rem;margin-top:2.5rem;display:grid}.nf-way{color:var(--shell-text);align-items:baseline;gap:.75rem;padding:.85rem .25rem;text-decoration:none;transition:color .3s,border-color .3s,background .3s,transform .3s;display:flex;position:relative}.nf-way-label{font-size:.95rem;font-weight:600}.nf-way-note{font-family:var(--font-geist-mono), monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--shell-faint);font-size:10px}.nf-way-arrow{color:var(--shell-accent-2);margin-left:auto;transition:transform .3s}.nf-way:hover .nf-way-arrow{transform:translate(4px)}.nf-kage{z-index:0;pointer-events:none;display:none;position:absolute;inset:0}:root[data-shell=kage] .nf-kage,:root:not([data-shell]) .nf-kage{display:block}.nf-watermark{opacity:.12;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-8deg)}:root[data-shell=kage] .nf,:root:not([data-shell]) .nf{background:radial-gradient(ellipse 70% 55% at 50% 108%, #c8102e24, transparent 70%), var(--shell-bg)}:root[data-shell=kage] .nf-code,:root:not([data-shell]) .nf-code{font-family:var(--font-display-serif), "Iowan Old Style", Georgia, serif;letter-spacing:-.02em;color:var(--shell-text);font-size:clamp(5rem,18vw,11rem);font-weight:400}:root[data-shell=kage] .nf-lede,:root:not([data-shell]) .nf-lede{font-family:var(--font-display-serif), Georgia, serif;font-size:1.1rem;font-style:italic}.nf-rule{background:linear-gradient(to right, transparent, var(--shell-accent-2) 18%, var(--shell-accent-2) 62%, transparent);opacity:.55;width:min(22rem,70%);height:2px;margin-top:2.25rem;display:none}:root[data-shell=kage] .nf-rule,:root:not([data-shell]) .nf-rule{display:block}:root[data-shell=kage] .nf-way,:root:not([data-shell]) .nf-way{border-bottom:1px solid color-mix(in srgb, var(--shell-border) 70%, transparent)}:root[data-shell=kage] .nf-way:hover,:root:not([data-shell]) .nf-way:hover{color:var(--shell-accent-2);padding-left:.85rem}:root[data-shell=futuristic] .nf{background:linear-gradient(to bottom, #38bdf80d, transparent 30%), var(--shell-bg)}:root[data-shell=futuristic] .nf:before{content:"";z-index:0;pointer-events:none;background-image:repeating-linear-gradient(#94a3b812 0 1px,#0000 1px 4px);position:absolute;inset:0}:root[data-shell=futuristic] .nf:after{content:"";z-index:0;pointer-events:none;background-image:linear-gradient(90deg,#38bdf812 1px,#0000 1px),linear-gradient(#38bdf812 1px,#0000 1px);background-size:64px 64px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,#0000 75%);mask-image:radial-gradient(70% 60% at 50% 40%,#000,#0000 75%)}:root[data-shell=futuristic] .nf-code{font-family:var(--font-geist-mono), monospace;letter-spacing:-.04em;color:var(--shell-accent);text-shadow:0 0 40px color-mix(in srgb, var(--shell-accent) 35%, transparent);font-size:clamp(4rem,14vw,9rem)}:root[data-shell=futuristic] .nf-lede{font-family:var(--font-geist-mono), monospace;font-size:.9rem}.nf-shell{border:1px solid var(--shell-border);background:color-mix(in srgb, var(--shell-surface) 70%, transparent);font-family:var(--font-geist-mono), monospace;color:var(--shell-muted);margin-top:1.75rem;padding:.9rem 1rem;font-size:11px;line-height:1.9;display:none;overflow-x:auto}:root[data-shell=futuristic] .nf-shell{display:block}.nf-prompt{color:var(--shell-accent)}.nf-path{color:var(--shell-accent-2)}.nf-sep{color:var(--shell-faint)}.nf-err{color:#f87171}:root[data-shell=futuristic] .nf-ways{grid-template-columns:repeat(2,minmax(0,1fr))}:root[data-shell=futuristic] .nf-way{border:1px solid var(--shell-border);background:color-mix(in srgb, var(--shell-surface) 60%, transparent);border-radius:.75rem;flex-direction:column;align-items:flex-start;gap:.3rem;padding:1rem 1.1rem}:root[data-shell=futuristic] .nf-way-arrow{margin-left:0;position:absolute;top:1rem;right:1.1rem}:root[data-shell=futuristic] .nf-way:hover{border-color:color-mix(in srgb, var(--shell-accent) 55%, transparent);background:color-mix(in srgb, var(--shell-accent) 8%, transparent);transform:translateY(-2px)}@media (max-width:640px){:root[data-shell=futuristic] .nf-ways{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.nf-way,.nf-way-arrow{transition:none}}button.nf-way{text-align:left;width:100%;font:inherit;cursor:pointer;background:0 0}:root[data-shell=futuristic] button.nf-way{background:color-mix(in srgb, var(--shell-surface) 60%, transparent)}