:root{
  --bg:#061017; --panel:rgba(12,30,40,.82); --line:rgba(90,220,210,.16);
  --cyan:#4be7d0; --blue:#4a9bff; --gold:#ffc46b; --text:#eaf7f7;
  --muted:#8aa6ad; --green:#39d6a7; --red:#ff718a; --shadow:0 18px 60px rgba(0,0,0,.32);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at 12% 0%,rgba(75,231,208,.10),transparent 30%),radial-gradient(circle at 88% 6%,rgba(74,155,255,.12),transparent 26%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
body{min-height:100vh}
.bg-grid{position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(90,220,210,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(90,220,210,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,black,transparent 82%)}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px max(22px,calc((100vw - 1220px)/2));backdrop-filter:blur(18px);background:rgba(5,14,20,.78);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:22px;font-weight:900;color:#041417;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 28px rgba(75,231,208,.25)}
.brand-title{font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.ghost{color:#b8d4d8;text-decoration:none;border:1px solid var(--line);padding:9px 13px;border-radius:10px;background:rgba(255,255,255,.025);font-size:13px}
.shell{max-width:1220px;margin:0 auto;padding:38px 22px 80px}
.card{background:linear-gradient(180deg,rgba(14,36,46,.88),rgba(7,21,28,.88));border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.hero{padding:32px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:380px;height:380px;right:-160px;top:-190px;border-radius:50%;background:radial-gradient(circle,rgba(75,231,208,.18),transparent 65%)}
.eyebrow{font-size:11.5px;font-weight:800;letter-spacing:1.8px;color:var(--cyan);text-transform:uppercase}
.hero h1{font-size:clamp(26px,3.4vw,44px);line-height:1.12;max-width:900px;margin:10px 0 12px}
.hero-copy{max-width:880px;color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:20px}
.pool-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;position:relative;z-index:2}
.pool-row .mono{flex:1;min-width:260px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(3,13,18,.7);font-size:13px;color:#bfe7e3;overflow:auto}
.status-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:12px;position:relative;z-index:2}
button{font:inherit;border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer;color:#041417;background:linear-gradient(135deg,var(--cyan),var(--blue));transition:.2s;box-shadow:0 8px 24px rgba(75,231,208,.18)}
button:hover{transform:translateY(-1px)}
button:disabled{opacity:.5;cursor:not-allowed;transform:none}
.secondary{color:#dceff0;background:rgba(255,255,255,.04);border:1px solid var(--line);box-shadow:none}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.metric{padding:20px}
.metric span,.metric small{display:block;color:var(--muted)}
.metric strong{font-size:28px;display:block;margin:6px 0 3px;font-variant-numeric:tabular-nums}
.metric small{font-size:11px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:34px 4px 14px}
.section-head h2{margin:4px 0 0;font-size:24px}
.muted{color:var(--muted);font-size:12px}
.table-card{overflow:hidden}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid rgba(90,220,210,.08);vertical-align:middle}
th{font-size:11.5px;color:#9bb8be;text-transform:uppercase;letter-spacing:.7px;background:rgba(4,14,19,.6);position:sticky;top:0}
td{font-size:13px;color:#dfeef0}
tbody tr:hover{background:rgba(75,231,208,.035)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.num{font-variant-numeric:tabular-nums}
.pos{color:var(--green)}.neg{color:var(--red)}.warn{color:var(--gold)}
.chart-card{padding:14px}
#chart{width:100%;height:230px;display:block}
.list-card{padding:16px 18px}
.manual-list{display:flex;flex-direction:column;gap:8px;max-height:420px;overflow:auto}
.manual-item{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:11px 12px;border:1px solid rgba(90,220,210,.1);border-radius:12px;background:rgba(4,15,20,.5);font-size:12.5px}
.manual-item .tag{font-weight:800;color:var(--gold);white-space:nowrap}
.manual-item a{color:#7bdff4;text-decoration:none}
.toast{position:fixed;right:24px;bottom:24px;max-width:420px;background:#0e242c;border:1px solid var(--line);padding:12px 14px;border-radius:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;font-size:13px}
.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){
  .metrics{grid-template-columns:repeat(2,1fr)}
  .shell{padding:24px 14px 60px}
  .hero{padding:24px}
  .topbar{padding:12px 14px}
  .ghost,.brand-sub{display:none}
}
@media(max-width:560px){
  .metrics{grid-template-columns:1fr}
  .pool-row{flex-direction:column;align-items:stretch}
  .pool-row button{width:100%}
}

/* ---------- DTT logo / rates / pairs / chain ---------- */
.brand-logo{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#0b7cff;box-shadow:0 0 24px rgba(75,200,255,.25)}
.brand-logo img{width:100%;height:100%;object-fit:contain;display:block}

.rate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.rate-card{padding:18px 20px;position:relative;overflow:hidden}
.rate-card:first-child{border-color:rgba(75,231,208,.38);background:linear-gradient(160deg,rgba(75,231,208,.10),rgba(7,21,28,.88))}
.rate-label{font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.rate-main{display:flex;align-items:baseline;gap:8px;margin:10px 0 6px}
.rate-main strong{font-size:26px;color:var(--cyan);font-variant-numeric:tabular-nums}
.rate-main span{font-size:11.5px;color:var(--muted)}
.rate-sub{font-size:12px;color:var(--muted);line-height:1.7}
.rate-sub b{color:var(--text)}

.chain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.chain-card{padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(14,36,46,.72),rgba(7,21,28,.72))}
.chain-card .cl{font-size:10.5px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase}
.chain-card .cv{font-size:18px;margin-top:6px;color:var(--text);font-variant-numeric:tabular-nums;word-break:break-all}
.chain-card .cs{font-size:11.5px;color:var(--muted);margin-top:4px}
.tr-hl{background:rgba(75,231,208,.06)}
.tr-hl td:first-child strong{color:var(--cyan)}
.pair-rate{color:var(--cyan);font-weight:800}

@media(max-width:900px){.rate-grid,.chain-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.rate-grid,.chain-grid{grid-template-columns:1fr}}

/* ---------- swap calculator ---------- */
.calc-card{padding:18px 20px}
.calc-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.calc-row select,.calc-row input{height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(3,13,18,.7);color:var(--text);padding:0 12px;font:inherit;outline:none}
.calc-row select{min-width:150px}
.calc-row input{flex:1;min-width:150px}
.calc-result{margin-top:14px;padding:14px 16px;border-radius:12px;background:rgba(4,15,20,.55);border:1px solid var(--line);font-size:12.5px;line-height:2;color:var(--muted)}
.calc-line b{color:var(--text)}
.calc-line .pos{color:var(--green)}
.calc-line .neg{color:var(--red)}