:root{--bg:#1c2128;--card:#242b35;--ink:#e8eef7;--line:#3a4454;--ok:#4dd4a2;--down:#ff7f7f;--btn:#4c84ff;--btn-txt:#fff}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(900px 560px at 6% -8%, rgba(80,136,255,.24), transparent 58%),
  radial-gradient(1060px 640px at 100% 0%, rgba(56,198,255,.16), transparent 62%),
  repeating-linear-gradient(90deg, rgba(132,171,251,.08) 0 1px, transparent 1px 84px),
  repeating-linear-gradient(0deg, rgba(132,171,251,.06) 0 1px, transparent 1px 84px),
  linear-gradient(160deg,#0c1119,#131c29 58%,#101826)}