:root{--bg:#0f1720;--card:#17212b;--line:#243444;--txt:#e6edf3;--mut:#8b98a5;--acc:#6c5ce7;--pos:#26de81;--neg:#ff5e57}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt)}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:12px}
h1{font-size:20px;margin:0}
h2{font-size:14px;margin:0 0 12px;color:var(--mut);text-transform:uppercase;letter-spacing:.5px}
main{padding:24px;max-width:1100px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.grid{grid-template-columns:1fr}}
.row{display:flex;gap:8px;flex-wrap:wrap}
input{background:#0d141c;border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:9px 11px;font-size:14px;flex:1;min-width:90px}
button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer;font-weight:600}
button:hover{opacity:.9}
.keybox{display:flex;gap:8px;align-items:center}
.muted{color:var(--mut);font-size:13px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
th{color:var(--mut);font-weight:600;font-size:12px;text-transform:uppercase}
.pos{color:var(--pos)}.neg{color:var(--neg)}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#000;color:#fff;padding:12px 20px;border-radius:8px;opacity:0;transition:.3s;pointer-events:none}
#toast.show{opacity:1}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line)}