:root{--bg:#0f1724;--panel:#151f30;--panel2:#111a28;--line:#2a384d;--text:#f4f7fb;--muted:#91a0b5;--accent:#7c8cff;--accent2:#4ed0c5;--warm:#f2a66d;--track:#243247}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(900px 440px at 10% -130px,rgba(124,140,255,.22),transparent 68%),radial-gradient(720px 380px at 90% 4%,rgba(78,208,197,.1),transparent 66%),var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}
.topbar{width:min(1040px,calc(100% - 32px));margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #253247}
.brand{display:flex;align-items:center;gap:10px}.brand>span:last-child{display:flex;flex-direction:column;line-height:1}.brand strong{font-size:17px}.brand small{font-size:8px;letter-spacing:.16em;color:#8190a5;margin-top:5px}.brand-symbol{width:40px;height:40px;display:grid;place-items:center;border:1px solid #3c4b66;border-radius:12px;background:#172235;color:#b9c3ff;font-size:18px;font-weight:900}.independent-note{font-size:10px;color:#7e8da3}
main{width:min(1040px,calc(100% - 32px));margin:auto}
.hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:end;gap:44px;padding:62px 0 30px}.eyebrow,.mini-label,.result-kicker{font-size:9px;letter-spacing:.16em;font-weight:900;color:#9daaff;text-transform:uppercase}.hero h1{font-size:clamp(42px,6.8vw,67px);line-height:1.01;letter-spacing:-3px;margin:10px 0 0}.hero h1 em{font-style:normal;color:#72ddd5}.hero p{margin:0 0 8px;color:var(--muted);font-size:15px;line-height:1.75}
.calculator-shell{border:1px solid var(--line);background:linear-gradient(180deg,#162134,#121b2a);border-radius:20px;overflow:hidden;box-shadow:0 22px 60px rgba(0,0,0,.24)}
.mode-switch{display:flex;gap:8px;padding:14px;border-bottom:1px solid var(--line);background:#111a28}.mode-switch button{border:1px solid #30405a;background:#172235;color:#9daabd;border-radius:10px;padding:10px 14px;font-size:11px;font-weight:850}.mode-switch button.active{background:#eef0ff;border-color:#eef0ff;color:#1a2240}
.calculator-grid{display:grid;grid-template-columns:1.08fr .92fr}.input-panel{padding:24px;border-right:1px solid var(--line);display:grid;gap:18px}.input-block{background:#111a28;border:1px solid #27364b;border-radius:14px;padding:15px}.input-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.input-title>div:first-child{display:flex;align-items:center;gap:9px}.step{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#1b2840;color:#93a1ff;font-size:9px;font-weight:900}.input-title label{font-size:12px;font-weight:750}.compact-input{height:38px;display:flex;align-items:center;border:1px solid #384963;background:#0e1623;border-radius:9px;color:#bfc9ff}.compact-input span{padding-left:9px;font-size:11px;font-weight:850}.compact-input input{width:88px;border:0;background:transparent;color:#fff;outline:0;text-align:right;padding:0 7px;font-weight:850}.compact-input.suffix span{padding:0 9px 0 3px}.compact-input.suffix input{width:72px}
input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}.range-labels{display:flex;justify-content:space-between;margin-top:2px;color:#697b94;font-size:8px}
.result-panel{padding:28px;display:flex;flex-direction:column;justify-content:center}.future-value{margin:8px 0 20px}.future-value span,.future-value strong{display:block}.future-value span{font-size:11px;color:#8e9db1}.future-value strong{font-size:clamp(38px,5vw,55px);line-height:1.05;letter-spacing:-2px;margin-top:3px;color:#f9fbff;font-variant-numeric:tabular-nums}
.value-breakdown{display:grid;grid-template-columns:1fr 1fr;gap:9px}.value-breakdown div{padding:12px;border:1px solid #29394f;border-radius:11px;background:#111a28}.value-breakdown span,.value-breakdown strong{display:block}.value-breakdown span{font-size:9px;color:#7f8ea2}.value-breakdown strong{font-size:14px;margin-top:3px}
.growth-bar{display:flex;height:12px;overflow:hidden;border-radius:999px;background:#243247;margin-top:20px}.invested-bar{background:#7c8cff;width:50%}.returns-bar{background:#4ed0c5;width:50%}.legend{display:flex;justify-content:space-between;gap:12px;margin-top:8px;color:#7f8da2;font-size:9px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:7px;height:7px;border-radius:50%;display:inline-block}.legend-invested{background:#7c8cff}.legend-returns{background:#4ed0c5}.summary-line{margin-top:18px;padding-top:15px;border-top:1px solid #29384c;color:#8392a8;font-size:10px;line-height:1.6}
.explain{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.explain article{padding:17px;border:1px solid var(--line);border-radius:14px;background:#121b2a}.mini-label.warn{color:#f3ad79}.explain h2{font-size:15px;margin:5px 0 5px}.explain p{font-size:10px;color:#8796aa;line-height:1.65;margin:0}
.network{margin:24px 0;padding:16px;border:1px solid var(--line);background:#121b2a;border-radius:14px}.network>span{display:block;font-size:9px;letter-spacing:.12em;color:#74849a;text-transform:uppercase;font-weight:900;margin-bottom:9px}.network>div{display:flex;flex-wrap:wrap;gap:7px}.network a{padding:7px 10px;border:1px solid #314159;border-radius:999px;color:#b6c1d0;font-size:10px;font-weight:800}.network a:hover{border-color:#7c8cff;color:#fff}
footer{width:min(1040px,calc(100% - 32px));margin:auto;border-top:1px solid #253247;padding:20px 0 32px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#718197;font-size:9px}
@media(max-width:760px){.hero{grid-template-columns:1fr;gap:16px;padding-top:44px}.calculator-grid{grid-template-columns:1fr}.input-panel{border-right:0;border-bottom:1px solid var(--line)}.explain{grid-template-columns:1fr}}
@media(max-width:440px){.topbar,main,footer{width:calc(100% - 22px)}.independent-note{display:none}.hero h1{letter-spacing:-2px}.calculator-shell{border-radius:16px}.input-panel,.result-panel{padding:15px}.input-title{align-items:flex-start}.input-title>div:first-child{max-width:54%}.compact-input input{width:76px}.value-breakdown{grid-template-columns:1fr}.mode-switch{display:grid;grid-template-columns:1fr 1fr}.mode-switch button{padding:10px 8px}}