:root { --bg: #0f1115; --card: #181b22; --line: #2a2f3a; --txt: #e6e8ec; --muted: #8b93a3; --acc: #6d8cff; --bad: #ff6b6b; --ok: #4cc38a; --warn: #f5b84b; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--txt); }
header { display: flex; gap: 1rem; align-items: center; padding: .75rem 1rem; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header a { color: var(--muted); text-decoration: none; }
header a.on, header a:hover { color: var(--txt); }
main { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 1rem; }
.narrow { max-width: 420px; margin: 3rem auto; }
h2 { margin: 0 0 .75rem; font-size: 1.1rem; }
h3 { margin: 1.2rem 0 .5rem; font-size: 1rem; color: var(--muted); }
label { display: block; margin-bottom: .6rem; color: var(--muted); font-size: .9rem; }
label.chk { display: inline-flex; gap: .4rem; align-items: center; margin-right: 1rem; color: var(--txt); }
input, select, textarea { display: block; width: 100%; margin-top: .25rem; padding: .5rem .6rem; background: var(--bg); color: var(--txt); border: 1px solid var(--line); border-radius: 6px; font: inherit; }
label.chk input { display: inline; width: auto; margin: 0; }
button { background: var(--acc); color: #fff; border: 0; border-radius: 6px; padding: .5rem 1rem; font: inherit; cursor: pointer; }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt); }
button.danger { background: var(--bad); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 1rem; align-items: end; }
.checks { margin: .5rem 0; }
.inline { display: inline; }
.right { margin-left: auto; }
.win { display: flex; gap: 1rem; align-items: center; padding: .6rem 0; border-top: 1px solid var(--line); }
.win .right { display: flex; gap: .75rem; align-items: center; }
.countdown { font-variant-numeric: tabular-nums; color: var(--warn); }
.token pre { background: var(--bg); padding: .75rem; border-radius: 6px; overflow-x: auto; white-space: pre; }
.qr { background: #fff; width: 220px; padding: 0; border-radius: 6px; margin: .5rem 0; }
.qr svg { display: block; width: 100%; height: auto; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .4rem .5rem; border-top: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
tr.off { opacity: .5; }
tr.badrow td { color: var(--bad); }
.small { font-size: .82rem; color: var(--muted); }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.bad { color: var(--bad); }
.ok, .err { padding: .6rem .9rem; border-radius: 6px; }
.ok { background: rgba(76, 195, 138, .12); color: var(--ok); }
.err { background: rgba(255, 107, 107, .12); color: var(--bad); }
.warn { border-color: var(--warn); color: var(--warn); }
code { font-size: .85em; }
a { color: var(--acc); }
.bar { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; margin-bottom: .75rem; }
.btns { display: flex; gap: .5rem; flex-wrap: wrap; }
a.btn { display: inline-block; padding: .5rem 1rem; border-radius: 6px; text-decoration: none; color: var(--txt); border: 1px solid var(--line); }
pre.md { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 1rem; max-height: 70vh; overflow: auto; white-space: pre-wrap; word-break: break-word; font-size: .85rem; tab-size: 4; }
textarea.mdedit { min-height: 70vh; font-family: ui-monospace, monospace; font-size: .85rem; tab-size: 4; margin-bottom: .75rem; }
.hidden { display: none; }