:root{
  --lime:#CCFF00;
  --lime-soft:#E2FF66;
  --ink:#0A0C00;
  --bg:#000000;
  --bg-1:#050604;
  --bg-2:#0A0C06;
  --card:#0B0D05;
  --card-2:#10130a;
  --line:rgba(204,255,0,.13);
  --line-2:rgba(204,255,0,.3);
  --white:#F4F6EE;
  --muted:#9BA191;
  --muted-2:#5D6355;
  --red:#ff5c5c;
  --mono:'JetBrains Mono',monospace;
  --disp:'Space Grotesk',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--white);
  font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;
  min-height:100vh;display:flex;flex-direction:column;
}
h1,h2,h3,h4,.disp{font-family:var(--disp)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
::selection{background:var(--lime);color:var(--ink)}

/* background */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-fx .grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(204,255,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(204,255,0,.04) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 20%,transparent 72%);
}
.bg-fx .glow{
  position:absolute;inset:0;
  background:radial-gradient(760px 420px at 50% -140px,rgba(204,255,0,.09),transparent 66%);
}

/* ===== top bar ===== */
.topbar{position:sticky;top:0;z-index:40;background:rgba(0,0,0,.7);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.tb-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:32px;height:32px}
.wordmark{font-family:var(--disp);font-size:17px;font-weight:700;letter-spacing:.15em}
.wordmark em{font-style:normal;color:var(--lime)}

/* tab switcher */
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:100px;padding:5px}
.tab{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 22px;border-radius:100px;border:none;background:transparent;
  color:var(--muted);font-family:var(--disp);font-weight:600;font-size:14px;transition:.2s;
}
.tab.active{background:var(--lime);color:var(--ink)}
.tab:not(.active):hover{color:var(--lime)}
.tab .soon{font-family:var(--mono);font-size:9px;letter-spacing:.1em;opacity:.7}

.tb-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.net-pill{
  display:none;align-items:center;gap:7px;
  font-family:var(--mono);font-size:12px;color:var(--lime);
  border:1px solid var(--line-2);border-radius:100px;padding:8px 13px;background:rgba(204,255,0,.05);
}
.net-pill .d{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime)}
.net-pill.wrong{color:var(--red);border-color:rgba(255,92,92,.4);background:rgba(255,92,92,.06)}
.net-pill.wrong .d{background:var(--red);box-shadow:0 0 8px var(--red)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:100px;font-family:var(--disp);font-weight:600;transition:.2s;
}
.btn-lime{background:var(--lime);color:var(--ink);padding:11px 22px;font-size:14px}
.btn-lime:hover{background:var(--lime-soft);box-shadow:0 6px 26px rgba(204,255,0,.25)}
.btn-lime:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-outline{background:transparent;color:var(--white);border:1px solid var(--line-2);padding:11px 20px;font-size:14px}
.btn-outline:hover{border-color:var(--lime);color:var(--lime)}

/* ===== main ===== */
main{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;align-items:center;padding:56px 20px 80px}
.pane{display:none;width:100%;max-width:480px;animation:fade .35s ease}
.pane.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.pane-head{text-align:center;margin-bottom:26px}
.pane-head h1{font-size:30px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px}
.pane-head p{color:var(--muted);font-size:14.5px}

/* ===== swap card ===== */
.card{
  border-radius:26px;padding:22px;
  background:linear-gradient(175deg,var(--card-2),var(--card));
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(0,0,0,.55);
}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;position:relative}

/* slippage settings popover */
.settings-pop{
  position:absolute;top:44px;right:0;z-index:30;width:280px;
  background:var(--card-2);border:1px solid var(--line-2);border-radius:16px;
  padding:16px;box-shadow:0 24px 60px rgba(0,0,0,.65);
  opacity:0;transform:translateY(-8px) scale(.98);pointer-events:none;transition:.18s ease;
}
.settings-pop.show{opacity:1;transform:none;pointer-events:auto}
.sp-head{font-family:var(--disp);font-size:13px;font-weight:600;color:var(--white);margin-bottom:12px}
.sp-row{display:flex;gap:6px;margin-bottom:10px}
.sp-preset{
  flex:1;padding:9px 0;border-radius:100px;border:1px solid var(--line);
  background:transparent;color:var(--muted);font-family:var(--mono);font-size:12.5px;font-weight:500;transition:.15s;
}
.sp-preset:hover{border-color:var(--line-2);color:var(--white)}
.sp-preset.active{background:var(--lime);color:var(--ink);border-color:var(--lime);font-weight:600}
.sp-custom{
  display:flex;align-items:center;gap:8px;padding:11px 14px;border-radius:12px;
  border:1px solid var(--line);background:rgba(0,0,0,.4);transition:.15s;
}
.sp-custom.active{border-color:var(--line-2)}
.sp-cl{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.05em}
.sp-custom input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:var(--white);font-family:var(--disp);font-size:15px;text-align:right}
.sp-custom input::placeholder{color:var(--muted-2)}
.sp-pc{font-family:var(--disp);font-size:15px;color:var(--muted)}
.sp-hint{margin-top:10px;font-size:11.5px;line-height:1.4;color:var(--muted-2);min-height:0}
.sp-hint.warn{color:#ffb020}
.sp-hint.danger{color:var(--red)}
.card-top h3{font-size:18px;font-weight:600}
.icon-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover{color:var(--lime);border-color:var(--line-2)}

.field{background:rgba(0,0,0,.5);border:1px solid var(--line);border-radius:18px;padding:16px 18px;transition:border-color .2s}
.field:focus-within{border-color:var(--line-2)}
.field .row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.field .lab{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--muted-2);margin-bottom:11px;letter-spacing:.04em}
.field .lab .bal{cursor:pointer;transition:color .2s}
.field .lab .bal:hover{color:var(--lime)}
.amount-in{
  background:transparent;border:none;outline:none;color:var(--white);
  font-family:var(--disp);font-size:30px;font-weight:600;letter-spacing:-.02em;width:100%;min-width:0;
}
.amount-in::placeholder{color:var(--muted-2)}
.amount-out{font-family:var(--disp);font-size:30px;font-weight:600;letter-spacing:-.02em;color:var(--white);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.amount-out.muted{color:var(--muted-2)}
.usd{font-family:var(--mono);font-size:11px;color:var(--muted-2);margin-top:6px}

.tok-select{
  display:inline-flex;align-items:center;gap:9px;flex-shrink:0;
  font-family:var(--disp);font-weight:600;font-size:15px;color:var(--white);
  background:rgba(204,255,0,.08);border:1px solid var(--line-2);border-radius:100px;padding:8px 13px 8px 9px;transition:.2s;
}
.tok-select:hover{background:rgba(204,255,0,.14)}
.tok-select .ti{width:24px;height:24px;border-radius:50%;background:var(--lime);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:10px;font-weight:700}
.tok-select .ti img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.tok-select .chev{color:var(--muted)}

.switch{
  width:40px;height:40px;margin:-10px auto;position:relative;z-index:3;border-radius:12px;
  background:var(--card-2);border:1px solid var(--line-2);color:var(--lime);
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.switch:hover{transform:rotate(180deg);background:rgba(204,255,0,.1)}

.gap{height:6px}

.info{margin-top:14px;padding:0 4px;display:none;flex-direction:column;gap:8px}
.info.show{display:flex}
.info .line{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--muted)}
.info .line b{color:var(--white);font-weight:500}
.info .line .warn{color:var(--red)}

.action{
  width:100%;margin-top:18px;border:none;border-radius:100px;
  background:var(--lime);color:var(--ink);font-family:var(--disp);font-weight:700;font-size:16.5px;
  padding:17px;transition:.2s;
}
.action:hover:not(:disabled){background:var(--lime-soft);box-shadow:0 8px 34px rgba(204,255,0,.3)}
.action:disabled{background:var(--card-2);color:var(--muted-2);cursor:not-allowed}
.action.danger{background:rgba(255,92,92,.15);color:var(--red);border:1px solid rgba(255,92,92,.35)}

/* status toast */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(30px);
  z-index:100;opacity:0;pointer-events:none;transition:.3s;
  background:var(--card-2);border:1px solid var(--line-2);border-radius:14px;
  padding:14px 20px;font-size:14px;max-width:90vw;
  box-shadow:0 20px 50px rgba(0,0,0,.6);display:flex;align-items:center;gap:12px;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.toast.ok{border-color:var(--line-2)}
.toast.err{border-color:rgba(255,92,92,.5)}
.toast a{color:var(--lime);font-family:var(--mono);font-size:12.5px}
.spin{width:16px;height:16px;border:2px solid var(--line-2);border-top-color:var(--lime);border-radius:50%;animation:sp .8s linear infinite;flex-shrink:0}
@keyframes sp{to{transform:rotate(360deg)}}

/* ===== token modal ===== */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:flex-start;justify-content:center;padding:80px 20px;background:rgba(0,0,0,.7);backdrop-filter:blur(6px)}
.modal.show{display:flex}
.modal-box{width:100%;max-width:420px;background:var(--card-2);border:1px solid var(--line-2);border-radius:22px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.7)}
.modal-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:18px}
.modal-search{padding:16px 22px;border-bottom:1px solid var(--line)}
.modal-search input{width:100%;background:rgba(0,0,0,.5);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--white);outline:none;font-size:14px}
.modal-search input:focus{border-color:var(--line-2)}
.tok-list{max-height:52vh;overflow-y:auto}
.tok-row{display:flex;align-items:center;gap:13px;padding:13px 22px;transition:.15s;cursor:pointer}
.tok-row:hover{background:rgba(204,255,0,.06)}
.tok-row .ti{width:34px;height:34px;border-radius:50%;background:var(--lime);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;font-weight:700;flex-shrink:0}
.tok-row .meta b{display:block;font-family:var(--disp);font-size:15px;font-weight:600}
.tok-row .meta small{font-size:12px;color:var(--muted-2)}
.tok-row .bal{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--muted)}
.tok-empty{padding:26px 22px;text-align:center;color:var(--muted-2);font-size:14px}

/* ===== bridge ===== */
.pane.wide{max-width:480px}
.bridge-card{border-radius:26px;padding:22px;background:linear-gradient(175deg,var(--card-2),var(--card));border:1px solid var(--line);box-shadow:0 30px 70px rgba(0,0,0,.55)}
.bridge-card .via{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.06em}
.bridge-intro{color:var(--muted);font-size:13.5px;line-height:1.6;margin:2px 0 16px}
.route{display:flex;flex-direction:column;gap:9px}
.route .src{display:flex;align-items:center;gap:13px;padding:15px 16px;border:1px solid var(--line);border-radius:15px;transition:.2s}
.route .src:hover{border-color:var(--line-2);background:rgba(204,255,0,.04);transform:translateY(-1px)}
.route .src .cc{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:700;font-size:12px;color:var(--lime);background:var(--card);border:1px solid var(--line-2);flex-shrink:0}
.route .src .t b{display:block;font-family:var(--disp);font-size:15px;font-weight:600}
.route .src .t small{font-size:12px;color:var(--muted-2)}
.route .src .tag{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--lime);border:1px solid var(--line-2);border-radius:100px;padding:5px 10px;white-space:nowrap}

.via{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.06em}
.chain-pills{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.cpill{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px;border:1px solid var(--line);border-radius:14px;background:transparent;transition:.2s}
.cpill:hover{border-color:var(--line-2)}
.cpill.active{border-color:var(--lime);background:rgba(204,255,0,.07)}
.cpill .cc{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:700;font-size:10px;color:var(--lime);background:var(--card);border:1px solid var(--line-2)}
.cpill.active .cc{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.cpill span{font-size:11px;color:var(--muted);font-weight:500}
.cpill.active span{color:var(--white)}
.bridge-note{text-align:center;color:var(--muted-2);font-family:var(--mono);font-size:11px;margin-top:14px;letter-spacing:.03em}

/* footer */
.foot{position:relative;z-index:2;border-top:1px solid var(--line);padding:22px;text-align:center;font-family:var(--mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}
.foot a{color:var(--muted)}
.foot a:hover{color:var(--lime)}

@media(max-width:640px){
  .tb-in{flex-wrap:wrap;gap:12px}
  .tabs{order:3;width:100%;justify-content:center}
  .wordmark{font-size:15px}
}