:root {
  --bg: #ffffff; --panel: #ffffff; --panel2: #f6f7f9; --ink: #1a1d24;
  --muted: #6b7280; --line: #e3e6ea; --accent: #2563eb; --accent-ink: #1d4ed8;
  --ok: #15803d; --ok-bg: #ecfdf3; --danger: #b91c1c; --danger-bg: #fef2f2;
  --warn: #b45309; --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
}
.topbar {
  display: flex; align-items: center; gap: 1rem; padding: .8rem 1.2rem;
  background: #fff; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: .2px; }
.topbar .right { margin-left: auto; color: var(--muted); text-decoration: none; }
.topbar .right:hover { color: var(--ink); }
main { max-width: 940px; margin: 1.4rem auto; padding: 0 1rem; }
h1 { font-size: 1.5rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.3rem 0 .6rem; }
a { color: var(--accent); }
a:hover { color: var(--accent-ink); }
code {
  background: var(--panel2); padding: .1rem .35rem; border-radius: 6px;
  font-size: .9em; border: 1px solid var(--line);
}
pre {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px;
  padding: .9rem 1rem; overflow-x: auto; color: #111827;
}
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; margin-bottom: 1.1rem; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.card.narrow { max-width: 380px; margin: 3rem auto; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }
label { display: block; margin: .6rem 0; color: var(--muted); font-size: .85rem; }
input {
  display: block; width: 100%; margin-top: .25rem; padding: .55rem .7rem;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); font-size: .95rem;
}
input:focus { outline: 2px solid rgba(37,99,235,.35); border-color: var(--accent); }
input[type=file] { padding: .4rem; }
button, .bigbtn {
  cursor: pointer; border: 1px solid transparent; border-radius: 8px; padding: .55rem .9rem;
  background: var(--accent); color: #fff; font-weight: 600; font-size: .9rem;
}
button:hover { filter: brightness(.96); }
button.warn { background: var(--warn); } button.danger { background: var(--danger); }
button.link { background: none; color: var(--accent); border: 0; padding: .2rem .3rem; font-weight: 500; }
button.link:hover { text-decoration: underline; }
.inline-form { display: flex; align-items: flex-end; gap: .6rem; flex-wrap: wrap; margin-top: .6rem; }
.inline-form label { flex: 1 1 260px; margin: 0; }
table { width: 100%; border-collapse: collapse; margin-top: .6rem; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; }
tr.revoked { opacity: .55; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.actions form { margin: 0; }
.badge { padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.off { background: var(--danger-bg); color: var(--danger); }
.muted { color: var(--muted); } .small { font-size: .82rem; }
.row-between { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.row-between.wrap { flex-wrap: wrap; }
.flash { padding: .6rem .9rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); border-color: #bbf7d0; color: var(--ok); }
.flash.error { background: var(--danger-bg); border-color: #fecaca; color: var(--danger); }
.downloadbox { text-align: center; margin: 1.4rem 0; }
.bigbtn { display: inline-block; text-decoration: none; font-size: 1.05rem; padding: .85rem 1.4rem; }
.platforms { padding-left: 1.1rem; } .platforms li { margin: .35rem 0; }