:root{
  --bg:#0f172a; --card:#1e293b; --fg:#e2e8f0; --muted:#94a3b8;
  --accent:#0ea5e9; --line:#243043;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
.wrap{max-width:720px;margin:0 auto;padding:16px}
h1{font-size:1.4rem;margin:.4rem 0}
.card{background:var(--card);border-radius:12px;padding:16px;margin:12px 0}
label{display:block;margin:8px 0;font-size:.95rem}
input,button{font:inherit}
input[type=number],input[type=text],input:not([type]){
  width:100%;padding:9px;border-radius:8px;border:1px solid #334155;
  background:#0b1220;color:var(--fg);margin-top:4px}
.row{display:flex;gap:12px}.row label{flex:1}
fieldset{border:1px solid #334155;border-radius:8px;margin:10px 0}
legend{padding:0 6px;color:var(--muted)}
.cb{display:flex;align-items:center;gap:8px}.cb input{width:auto;margin:0}
button{background:var(--accent);color:#04222e;border:0;border-radius:8px;
  padding:10px 14px;font-weight:600;cursor:pointer}
button:hover{filter:brightness(1.08)}
.muted{color:var(--muted);font-size:.85rem}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
td:nth-child(3),th:nth-child(3){white-space:nowrap;width:100px}
th{color:var(--muted);font-weight:600}
.bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:8px;flex-wrap:wrap}
a{color:var(--accent);text-decoration:none}
summary{cursor:pointer;font-weight:600}

/* Deal popup */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;
  align-items:center;justify-content:center;padding:16px;z-index:50}
.modal-overlay[hidden]{display:none}
.modal{background:var(--card);border:2px solid var(--accent);border-radius:14px;
  padding:20px;max-width:480px;width:100%;box-shadow:0 12px 40px rgba(0,0,0,.5);
  animation:pop .25s ease}
.modal h2{margin:.2rem 0 .6rem}
.modal .deal{padding:8px 0;border-bottom:1px solid var(--line)}
.modal .deal b{color:#4ade80}
.modal button{margin-top:14px;width:100%}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}