:root{
  --bg:#05070b; --bg2:#0a0e15; --card:#0d1119; --card2:#121826;
  --line:#1c2433; --line2:#27324a;
  --txt:#e6eeff; --dim:#7286a3; --accent:#2ee08a; --accent2:#19b46b;
  --red:#ff4d5e; --amber:#ffb020;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:
  radial-gradient(1200px 600px at 50% -10%, #10202b 0%, transparent 60%),
  radial-gradient(800px 400px at 100% 110%, #1a1024 0%, transparent 55%),
  var(--bg);
  color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  min-height:100vh}
#root{max-width:540px;margin:0 auto;padding:18px 14px 46px}

.top{display:flex;align-items:center;justify-content:space-between;margin:4px 0 18px}
.brand{display:flex;align-items:center;gap:10px}
.brand .mark{width:34px;height:34px;border-radius:10px;
  background:linear-gradient(145deg,var(--accent),#0b7a49);
  box-shadow:0 0 22px rgba(46,224,138,.35);display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#04120a;font-size:15px}
.brand .name{font-size:17px;font-weight:800;letter-spacing:2.5px}
.brand .name span{color:var(--accent)}
.brand .sub{font-size:9px;letter-spacing:2px;color:var(--dim);margin-top:1px}
.chip{font-size:11px;color:var(--dim);border:1px solid var(--line);border-radius:999px;
  padding:6px 11px;white-space:nowrap;background:rgba(255,255,255,.02)}
.chip b{color:var(--accent)}

.card{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 40%),var(--card);
  border:1px solid var(--line);border-radius:18px;padding:16px 16px 18px;margin-bottom:14px;
  overflow:hidden}
.card:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,224,138,.45),transparent)}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.num{font-size:10px;font-weight:800;letter-spacing:1px;color:var(--accent);
  border:1px solid rgba(46,224,138,.35);background:rgba(46,224,138,.07);
  border-radius:8px;padding:3px 7px}
.card h3{margin:0;font-size:13px;letter-spacing:2.2px;color:var(--txt);font-weight:800;flex:1}
.desc{font-size:12px;color:var(--dim);margin:6px 0 16px;line-height:1.5}

.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{flex:1;min-width:90px;background:var(--card2);color:var(--txt);border:1px solid var(--line2);
  border-radius:13px;padding:14px 12px;font-size:13px;font-weight:800;letter-spacing:1.2px;
  text-align:center;cursor:pointer;user-select:none;text-decoration:none;display:block;
  transition:transform .06s ease, background .15s ease, border-color .15s ease}
.btn:active{transform:scale(.985)}
.btn.on{background:linear-gradient(180deg,rgba(46,224,138,.18),rgba(46,224,138,.07));
  border-color:rgba(46,224,138,.55);color:#8dffc9;box-shadow:0 0 18px rgba(46,224,138,.12) inset}
.btn.primary{background:linear-gradient(180deg,#39f39a,#14a862);border-color:#39f39a;color:#04120a;
  box-shadow:0 8px 24px rgba(46,224,138,.22)}
.btn.danger{background:rgba(255,77,94,.1);border-color:rgba(255,77,94,.5);color:#ff9aa5}
.btn.hot{background:linear-gradient(180deg,#ff5d6c,#d61f31);border-color:#ff5d6c;color:#fff;
  font-size:17px;padding:20px;letter-spacing:2px;box-shadow:0 10px 30px rgba(255,77,94,.25)}
.btn:disabled{opacity:.45}

.switch{position:relative;width:66px;height:36px;border-radius:999px;background:#141b28;
  border:1px solid var(--line2);cursor:pointer;transition:.18s;flex:none}
.switch.on{background:rgba(46,224,138,.18);border-color:rgba(46,224,138,.6);
  box-shadow:0 0 18px rgba(46,224,138,.2)}
.switch .knob{position:absolute;top:4px;left:4px;width:26px;height:26px;border-radius:50%;
  background:#5b6b85;transition:.18s;box-shadow:0 2px 6px rgba(0,0,0,.5)}
.switch.on .knob{left:34px;background:var(--accent);box-shadow:0 0 14px rgba(46,224,138,.7)}

.input{width:100%;background:var(--card2);border:1px solid var(--line2);border-radius:14px;
  color:var(--txt);padding:18px;font-size:17px;letter-spacing:2px;outline:none;
  text-transform:uppercase;margin-bottom:12px;text-align:center;font-weight:700}
.input:focus{border-color:rgba(46,224,138,.65);box-shadow:0 0 0 3px rgba(46,224,138,.1)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.status-line{display:flex;align-items:baseline;gap:10px;margin:2px 0 10px}
.status-line b{font-size:26px;letter-spacing:1px}
.status-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.stat{background:var(--card2);border:1px solid var(--line);border-radius:11px;padding:9px 11px}
.stat .k{font-size:10px;letter-spacing:1.5px;color:var(--dim)}
.stat .v{font-size:15px;font-weight:800;margin-top:2px}
.green{color:var(--accent)} .red{color:var(--red)} .dim{color:var(--dim)}
.small{font-size:11.5px}
.slider{width:100%;margin:16px 0 2px;accent-color:var(--accent);height:24px}
.slider-row{display:flex;justify-content:space-between;font-size:11px;color:var(--dim);letter-spacing:1.5px}
.slider-row b{color:var(--txt);font-size:13px}

.err{color:var(--red);font-size:13px;margin:8px 0;text-align:center}
.hint{color:var(--dim);font-size:12px;line-height:1.55;margin-top:12px}
.gate{min-height:78vh;display:flex;align-items:center;justify-content:center}
.gate-card{width:100%;padding:26px 20px}
.gate-logo{font-size:26px;font-weight:900;letter-spacing:4px;text-align:center;margin-bottom:6px}
.gate-logo span{color:var(--accent);text-shadow:0 0 24px rgba(46,224,138,.5)}
.gate-sub{text-align:center;font-size:10px;letter-spacing:3px;color:var(--dim);margin-bottom:22px}
.foot{text-align:center;color:var(--dim);font-size:10.5px;margin-top:24px;letter-spacing:1px}
.foot a{color:var(--dim)}
.link{word-break:break-all;font-size:10px;color:var(--dim);margin-top:12px;line-height:1.5;
  background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:10px}
.pulse{animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,77,94,.35)}50%{box-shadow:0 0 0 12px rgba(255,77,94,0)}}