:root{--bg:#07070a;--panel:#111116;--line:#23232c;--text:#f2f2f5;--muted:#8a8a99;--accent:#c8ff3d;
  --bronze:#c7742c;--silver:#c9ced8;--gold:#f2c14e;--platinum:#7fe3ff;--diamond:#b48cff;--immortal:#ff3d7f}
*{box-sizing:border-box;margin:0;padding:0}
:root{color-scheme:dark}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
select{font-size:16px}
html,body{background:var(--bg);color:var(--text);font-family:"Space Grotesk",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
body{min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:18px 16px 96px}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
a{color:inherit;text-decoration:none}
header,main{width:100%;max-width:560px}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.logo{font-weight:700;letter-spacing:-.02em;font-size:20px}.logo b{color:var(--accent)}
.pill{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:0 12px;min-height:36px;display:inline-flex;align-items:center;border-radius:999px}
h1{font-size:30px;line-height:1.05;letter-spacing:-.03em;margin-bottom:8px}h1 span{color:var(--accent)}
h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:34px 0 12px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 22px}
.steps div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 10px 11px;font-size:12px;line-height:1.35;color:var(--muted)}
.steps b{display:block;font:700 11px "JetBrains Mono";color:var(--accent);margin-bottom:4px}
.gap{margin-top:16px}
details.fold{background:var(--panel);border:1px solid var(--line);border-radius:18px}
details.fold>summary{list-style:none;cursor:pointer;padding:16px;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:15px}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::after{content:"+";font:700 20px "JetBrains Mono";color:var(--accent)}
details.fold[open]>summary::after{content:"–"}
details.fold>summary small{display:block;font-weight:500;font-size:12px;color:var(--muted);margin-top:2px}
details.fold>.in{padding:0 16px 16px}
.linkbtn{background:none;border:0;color:var(--accent);font:inherit;text-decoration:underline;cursor:pointer;padding:6px 2px}
.sub{color:var(--muted);font-size:15px;line-height:1.45;margin-bottom:18px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
label{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 6px 2px}
.field{margin-bottom:12px}
input[type=number],input[type=text],input[type=email]{width:100%;background:#0b0b0f;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:13px 14px;font:700 19px "JetBrains Mono",monospace;outline:none}
input[type=text],input[type=email]{font:500 16px "Space Grotesk",sans-serif}
input:focus{border-color:var(--accent)}input::placeholder{color:#3b3b47}
.seg{display:flex;background:#0b0b0f;border:1px solid var(--line);border-radius:12px;padding:3px}
.seg button{flex:1;background:transparent;border:0;color:var(--muted);padding:10px;min-height:42px;border-radius:9px;font:700 14px "Space Grotesk";cursor:pointer}
.seg button.on{background:#1b1b24;color:var(--text)}
.btn{width:100%;border:0;border-radius:14px;padding:15px;font:700 16px "Space Grotesk";cursor:pointer;background:var(--accent);color:#0a0a0a;display:inline-block;text-align:center}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.sm{padding:10px 14px;min-height:44px;font-size:14px;width:auto;border-radius:10px}
.btn:disabled{opacity:.5}
.hint{font-size:12px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.5}
.tiny{font-size:12px;color:var(--muted);line-height:1.5}
.hidden{display:none !important}
.list{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.item{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;border-bottom:1px solid #16161d;font-size:14px}
.item:last-child{border-bottom:0}.item b{font-size:15px}.item small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.item .r{font:700 16px "JetBrains Mono";color:var(--accent)}
.stat3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat3 .panel{padding:12px}.stat3 small{display:block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.stat3 span{font:700 22px "JetBrains Mono"}
.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:#1b1b24;border:1px solid var(--line);padding:10px 14px;border-radius:10px;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50;max-width:90vw;text-align:center}
.toast.show{opacity:1}
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:0;background:rgba(7,7,10,.92);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));z-index:40}
.tabbar a{flex:1;max-width:180px;text-align:center;padding:13px 0;border-radius:12px;color:var(--muted);font:700 13px "Space Grotesk";letter-spacing:.02em}
.tabbar a.on{color:var(--accent);background:#14141b}
.tag{display:inline-block;font:700 10px "JetBrains Mono";letter-spacing:.1em;padding:3px 6px;border-radius:5px;background:#1b1b24;color:var(--muted);vertical-align:middle}
.tag.f{background:linear-gradient(135deg,#ffe28a,#c99a2e);color:#0a0a0a}
.v{color:#7fe3ff;font-size:12px;margin-left:4px}
footer{margin-top:36px;color:#7a7a8a;font-size:12px;text-align:center;line-height:1.6}