:root{color-scheme:dark;--bg:#0b1020;--panel:#172238;--panel2:#202d49;--line:#3b4e6d;--text:#f4f7ff;--muted:#b4c4dc;--mint:#83ebc7;--blue:#93c6ff;--amber:#ffdc91;--violet:#d0b5ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 85% -10%,#48356b66,transparent 32%),radial-gradient(circle at 0 33%,#10465c55,transparent 34%),var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:var(--mint)}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.wrap{width:min(1120px,calc(100% - 32px));margin:auto;padding:24px 0 68px}.back{display:inline-block;margin-bottom:18px;font-weight:750;text-decoration:none}.hero,.panel{border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,#1b2944,#131d31);box-shadow:0 22px 50px #05091655}.hero{padding:clamp(24px,4vw,42px)}.eyebrow{color:var(--mint);font-size:.76rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase;margin:0 0 9px}.hero h1{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.1;letter-spacing:-.045em;max-width:900px;margin:0 0 17px}.hero p{max-width:880px;color:#d1def0;margin:0 0 14px}.example{display:flex;gap:9px;flex-wrap:wrap;margin-top:21px}.example span{padding:8px 12px;background:#263a58;border:1px solid #4d6486;border-radius:10px;font-weight:700;color:#eef5ff}.section{margin-top:22px}.panel{padding:clamp(20px,3vw,30px)}h2{font-size:clamp(1.45rem,2.8vw,2rem);line-height:1.2;letter-spacing:-.03em;margin:0 0 12px}h3{font-size:1.05rem;margin:0 0 8px}p{margin-top:0}p:last-child{margin-bottom:0}.muted{color:var(--muted)}.idea-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.idea{background:#101b30;border:1px solid #3b4e6d;border-radius:15px;padding:17px}.idea strong{color:var(--mint)}.idea p{font-size:.93rem;color:#cad8eb;margin:7px 0 0}.formula{display:block;overflow:auto;white-space:nowrap;background:#0b1427;border:1px solid #394c6a;border-radius:12px;padding:13px 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#394d6b;border-radius:18px;padding:19px;min-width:0}.lane{font-size:.77rem;text-transform:uppercase;letter-spacing:.1em;color:#aec1dd;font-weight:800;margin:0 0 8px}.sequence{min-height:57px;margin-bottom:15px}.char{min-width:38px;height:45px;padding:0 7px;border:1px solid #607393;border-radius:10px;background:#263753;display:grid;place-items:center;font:800 1.1rem ui-monospace,SFMono-Regular,monospace;position:relative}.char small{position:absolute;top:-18px;font-size:.62rem;color:#bacbe2}.char.current{background:#674b8f;border-color:#ddbeff;color:#fff;box-shadow:0 0 0 4px #c5a0ff2d;animation:pulse .4s ease}.char.match{background:#67522c;border-color:var(--amber);color:#fff1c5}.char.past{opacity:.52}.empty-string{color:#aebeda;font-style:italic}.status{min-height:130px;border:1px solid #547498;border-left:5px solid var(--blue);border-radius:13px;padding:14px 16px;background:#1a304b}.status strong{display:block;color:#b8e4ff;margin-bottom:4px}.status p{margin:0;color:#edf5ff}.state-line{margin-top:12px;color:#c9d9ef;font-weight:700;overflow-wrap:anywhere}.result{margin-top:12px;border:1px solid #47836f;border-radius:12px;background:#173d39;padding:12px 15px;color:#d4ffe9;font-weight:750;overflow-wrap:anywhere}.memo-wrap{overflow:auto}.memo-table{border-collapse:separate;border-spacing:5px;font:700 .82rem ui-monospace,SFMono-Regular,Consolas,monospace}.memo-table th{color:#b8cae2;min-width:42px}.memo-table td{min-width:42px;height:39px;text-align:center;border:1px solid #526481;border-radius:7px;background:#243450;color:#d4e3f6;padding:4px 6px}.memo-table td.saved{background:#24584c;border-color:#64d2ad;color:#dcfff0}.memo-table td.active{outline:3px solid var(--violet);outline-offset:1px}.memo-table td span{display:inline-block;max-width:85px;overflow:hidden;text-overflow:ellipsis;vertical-align:middle}.stack{margin-top:11px;min-height:30px}.stack span{font:700 .77rem ui-monospace,SFMono-Regular,monospace;padding:5px 7px;border-radius:7px;background:#314763;color:#e3efff}.stack span:last-child{background:#634a8d;color:#fff}.controls{justify-content:space-between;margin-top:17px}.control-buttons{display:flex;gap:8px;flex-wrap:wrap}.step-count{color:#bfd0e8;font:700 .88rem ui-monospace,SFMono-Regular,monospace}.progress{height:8px;border-radius:99px;background:#283953;overflow:hidden;margin-top:16px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--mint));width:0;transition:width .2s}.code-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-top:18px}.code-tab{border:1px solid #5b7090;border-radius:10px 10px 0 0;background:#263b57;color:#d5e4f6;padding:9px 13px;font-weight:800}.code-tab[aria-selected=true]{background:#0b1425;color:var(--mint);border-bottom-color:#0b1425}pre{margin:0;background:#0b1425;border:1px solid #5b7090;border-radius:0 12px 12px 12px;padding:18px;overflow:auto;color:#e8f1ff;font:.85rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}pre[hidden]{display:none}.footer{text-align:center;color:#9fb1cb;font-size:.84rem;margin-top:27px}@keyframes pulse{from{transform:scale(.9)}to{transform:scale(1)}}@media(max-width:780px){.idea-grid,.visual-grid{grid-template-columns:1fr}}@media(max-width:480px){.wrap{width:calc(100% - 20px)}.panel,.hero{border-radius:18px}.field input{width:120px}.controls{align-items:flex-start}.step-count{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}