:root{--bg: #05060a;--bg-elev: #0b0d14;--ink: #e8ecf5;--ink-dim: #8b93a7;--accent-cyan: #00e5ff;--accent-magenta: #ff2bd6;--accent-amber: #ffb020;--accent-green: #39ff7a;--danger: #ff3355;--border: #1a1f2e;--grid-line: rgba(255, 255, 255, .03)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:JetBrains Mono,VT323,ui-monospace,Menlo,monospace;min-height:100vh;overflow-x:hidden}body{background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:32px 32px;background-position:-1px -1px}#ibc-crt{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;mix-blend-mode:multiply;display:none}body.scanlines #ibc-crt{display:block}body.scanlines h1,body.scanlines h2,body.scanlines h3,body.scanlines .ink-cyan,body.scanlines .ink-magenta,body.scanlines .ink-amber,body.scanlines .ink-green,body.scanlines .topbar .brand .accent{animation:ibc-phosphor-pulse 3.6s ease-in-out infinite}@keyframes ibc-phosphor-pulse{0%,to{text-shadow:-1px 0 rgba(255,0,90,.55),1px 0 rgba(0,200,255,.55),0 0 4px currentColor,0 0 10px currentColor,0 0 18px rgba(0,229,255,.3)}50%{text-shadow:-1.5px 0 rgba(255,0,90,.7),1.5px 0 rgba(0,200,255,.7),0 0 7px currentColor,0 0 16px currentColor,0 0 28px rgba(0,229,255,.5)}}body.scanlines p,body.scanlines .mono,body.scanlines input,body.scanlines textarea,body.scanlines button{text-shadow:0 0 1.5px currentColor,0 0 4px rgba(0,229,255,.18)}.crt-warmup{position:fixed;inset:0;z-index:10000;pointer-events:none;background:#000;animation:ibc-warmup 1.6s ease-out forwards}@keyframes ibc-warmup{0%{opacity:1;transform:scaleY(.02);filter:brightness(2) blur(2px)}20%{opacity:1;transform:scaleY(.04);filter:brightness(3)}45%{opacity:1;transform:scaleY(1);filter:brightness(2) blur(1px)}70%{opacity:.7;transform:scaleY(1);filter:brightness(1) blur(0)}to{opacity:0;transform:scaleY(1);filter:brightness(1)}}h1,h2,h3{font-family:"Press Start 2P",VT323,monospace;letter-spacing:.04em;color:var(--ink)}h1{font-size:1.6rem;line-height:1.4;margin:0 0 1.25rem}h2{font-size:1.05rem;line-height:1.4;margin:0 0 1rem;color:var(--accent-cyan)}h3{font-size:.85rem;line-height:1.4;margin:0 0 .75rem;color:var(--accent-magenta)}p{line-height:1.6;color:var(--ink)}a{color:var(--accent-cyan);text-decoration:none;border-bottom:1px dashed transparent;transition:border-color .12s ease}a:hover{border-bottom-color:var(--accent-cyan)}.shell{max-width:760px;margin:0 auto;padding:4rem 1.5rem 6rem;position:relative;z-index:1}.topbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border);background:#05060aeb;backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.topbar .brand{font-family:"Press Start 2P",monospace;font-size:.7rem;color:var(--ink);letter-spacing:.08em}.topbar .brand .accent{color:var(--accent-cyan)}.topbar .controls{display:flex;gap:.4rem}.topbar .toggle-btn{background:transparent;border:1px solid var(--border);color:var(--ink-dim);padding:.35rem .6rem;font-family:inherit;font-size:.7rem;cursor:pointer;border-radius:2px}.topbar .toggle-btn:hover{color:var(--ink);border-color:var(--accent-cyan)}.topbar .toggle-btn[aria-pressed=true]{color:var(--accent-cyan);border-color:var(--accent-cyan)}.card{background:var(--bg-elev);border:1px solid var(--border);padding:2rem;border-radius:2px;box-shadow:0 0 0 1px #00e5ff0a,0 20px 60px -30px #00e5ff26}.ink-dim{color:var(--ink-dim)}.ink-amber{color:var(--accent-amber)}.ink-cyan{color:var(--accent-cyan)}.ink-magenta{color:var(--accent-magenta)}.ink-green{color:var(--accent-green)}.ink-danger{color:var(--danger)}.mono{font-family:JetBrains Mono,ui-monospace,monospace}.btn{display:inline-block;background:transparent;color:var(--accent-cyan);border:1px solid var(--accent-cyan);padding:.7rem 1.2rem;font-family:JetBrains Mono,monospace;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;border-radius:2px;transition:background .12s ease,color .12s ease}.btn:hover{background:var(--accent-cyan);color:var(--bg)}.footer{margin-top:4rem;padding-top:1.5rem;border-top:1px solid var(--border);color:var(--ink-dim);font-size:.78rem;line-height:1.6}.disclosure{margin-top:2rem;padding:1rem 1.25rem;border:1px dashed var(--border);color:var(--ink-dim);font-size:.78rem;line-height:1.6}.term-input{width:100%;padding:.8rem 1rem;background:#05060a;color:var(--ink);border:1px solid var(--border);border-radius:2px;font-family:JetBrains Mono,monospace;font-size:1.1rem;outline:none;caret-color:var(--accent-cyan)}.term-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 1px var(--accent-cyan),0 0 24px #00e5ff40}body.glitching{animation:ibc-glitch-flash .6s steps(8,end)}@keyframes ibc-glitch-flash{0%{filter:hue-rotate(0deg) contrast(1);transform:translate(0)}20%{filter:hue-rotate(280deg) contrast(2);transform:translate(-2px,1px)}40%{filter:hue-rotate(120deg) contrast(.8);transform:translate(2px,-1px)}60%{filter:hue-rotate(0deg) contrast(1.5);transform:translate(-1px)}80%{filter:hue-rotate(60deg) contrast(1);transform:translate(1px)}to{filter:hue-rotate(0deg) contrast(1);transform:translate(0)}}body.passing{animation:ibc-pass-flash .9s ease-out}@keyframes ibc-pass-flash{0%{filter:brightness(1) hue-rotate(0deg)}30%{filter:brightness(2.2) hue-rotate(20deg)}60%{filter:brightness(1.5) hue-rotate(0deg)}to{filter:brightness(1)}}.typed[data-state=typing]:after{content:"_";color:var(--accent-cyan);animation:ibc-cursor 1s steps(2,end) infinite}.typed[data-state=done]:after{content:"_";color:var(--accent-cyan);animation:ibc-cursor 1.2s steps(2,end) infinite}@keyframes ibc-cursor{0%,50%{opacity:1}51%,to{opacity:0}}@media(max-width:720px){.shell{padding:2.5rem 1rem 4rem}h1{font-size:1.15rem}}