* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: #eef2ef;
  color: #17241d;
  min-height: 100vh;
}
a { color: #1d6b46; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 24px;
  background: #17241d;
  color: #edf4ef;
}
.topbar .brand { font-size: 15px; font-weight: 700; letter-spacing: 0.5px; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 13px; color: #a8b8ad; }
.topbar button.link {
  background: transparent; border: 1px solid #35503f; color: #c7f6d8;
  padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.topbar button.link:hover { background: #1d2b23; }

.wrap { max-width: 1280px; margin: 22px auto; padding: 0 20px; display: grid; gap: 18px; }
.card {
  background: #fff; border: 1px solid #d4dfd8; border-radius: 8px;
  padding: 18px 20px; box-shadow: 0 4px 18px rgba(34,47,39,0.05);
}
.card h2 { margin: 0 0 12px; font-size: 16px; }
.card h3 { margin: 18px 0 10px; font-size: 14px; color: #314439; }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.stat {
  padding: 14px 16px; border: 1px solid #d4dfd8; border-radius: 8px; background: #f7faf8;
}
.stat .num { font-size: 26px; font-weight: 700; color: #1d6b46; }
.stat .lbl { font-size: 12px; color: #63746a; margin-top: 4px; }

form.inline { display: grid; gap: 10px; }
form.inline .row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
label { display: grid; gap: 4px; font-size: 13px; color: #314439; font-weight: 600; }
input, select, textarea {
  padding: 8px 10px; border: 1px solid #cbd8d0; border-radius: 6px;
  font: inherit; font-size: 13px; width: 100%;
}
button {
  padding: 8px 14px; border: 0; border-radius: 6px; cursor: pointer;
  background: #1d6b46; color: #fff; font-size: 13px;
}
button.secondary { background: #e7efeb; color: #17241d; }
button.warn { background: #b42318; }
button.ghost { background: transparent; color: #1d6b46; border: 1px solid #cbd8d0; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; border-bottom: 1px solid #e4ebe6; text-align: left; vertical-align: middle; }
th { background: #f2f6f3; color: #314439; font-weight: 600; font-size: 12px; }
tr:hover td { background: #fafcfb; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700;
  background: #e7efeb; color: #314439;
}
.badge.active { background: #d5ecdd; color: #1d6b46; }
.badge.draft { background: #e7efeb; color: #63746a; }
.badge.suspended { background: #fdeccb; color: #8a5a00; }
.badge.revoked { background: #fbd5d2; color: #b42318; }
.badge.expired { background: #eee; color: #555; }
.badge.online { background: #d5ecdd; color: #1d6b46; }
.badge.offline { background: #eee; color: #777; }

.muted { color: #63746a; font-size: 12px; }
.mono { font-family: "Cascadia Mono", Consolas, monospace; font-size: 12px; }
.msg { min-height: 18px; font-size: 13px; }
.msg.err { color: #b42318; }
.msg.ok { color: #1d6b46; }

.activation-code-box {
  margin-top: 10px; padding: 12px 14px; background: #fff7e6; border: 1px solid #f2c94c;
  border-radius: 6px; display: flex; align-items: center; gap: 12px;
}
.activation-code-box code { font-size: 16px; font-weight: 700; letter-spacing: 1px; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; font-size: 13px; }
.detail-grid .k { color: #63746a; }
.detail-grid .v { font-weight: 600; word-break: break-all; }

.login-body {
  min-height: 100vh; display: grid; place-items: center; background: #eef2ef;
}
.login-card {
  width: min(400px, calc(100vw - 40px)); background: #fff; padding: 28px;
  border: 1px solid #d4dfd8; border-radius: 8px; box-shadow: 0 18px 45px rgba(34,47,39,0.12);
}
.login-card h1 { margin: 0 0 6px; font-size: 22px; }
.login-card p { margin: 0 0 18px; color: #63746a; font-size: 13px; }
.login-card form { display: grid; gap: 12px; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid #d4dfd8; margin-bottom: 14px; }
.tabs button {
  background: transparent; color: #63746a; border: 0; padding: 8px 12px;
  border-bottom: 2px solid transparent; border-radius: 0; font-weight: 600;
}
.tabs button.on { color: #1d6b46; border-bottom-color: #1d6b46; }