:root { color-scheme: dark; --bg: #060606; --fg: #f4f5f0; --muted: #a2a59a; --lime: #c8ff00; --line: #2a2c26; --bad: #ff8a80; --good: #b6f26b; --card: #101110; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; overflow-wrap: anywhere; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 28px; line-height: 1.2; margin: 8px 0 12px; color: var(--lime); }
h2 { font-size: 19px; margin: 28px 0 8px; }
.lead { font-size: 17px; margin: 0 0 20px; }
.muted { color: var(--muted); }
.box { border: 1px solid var(--line); border-left: 4px solid var(--lime); border-radius: 8px; padding: 4px 16px 12px; background: var(--card); }
.box h2 { margin-top: 12px; }
.box ul { margin: 0; padding-left: 20px; }
.box li { margin: 8px 0; }
a { color: var(--lime); text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }
button { font: inherit; font-weight: 700; min-height: 46px; padding: 8px 20px; border-radius: 8px; border: 2px solid var(--lime); background: var(--lime); color: #060606; cursor: pointer; }
button.quiet { background: transparent; color: var(--lime); }
button:disabled, button[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
select { font: inherit; min-height: 44px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--fg); }
.msg:focus { outline: none; }
.msg:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }
.row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin: 10px 0; }
.cards { list-style: none; margin: 12px 0; padding: 0; display: grid; gap: 12px; }
.cards li { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: var(--card); }
.cards h3 { margin: 0 0 4px; font-size: 17px; }
.addr { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; }
.state { font-weight: 700; margin: 8px 0; }
.tx { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; margin: 6px 0 0; }
.msg { min-height: 1.5em; margin: 8px 0; }
.msg.bad { color: var(--bad); }
.msg.good { color: var(--good); }
.foot { margin-top: 36px; font-size: 14px; }
label { display: inline-flex; gap: 10px; align-items: center; min-height: 36px; }
input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--lime); }
@media (prefers-reduced-motion: no-preference) { button { transition: opacity .15s; } }