:root {
  color-scheme: dark;
  --bg: #0d1112;
  --surface: #151b1d;
  --surface-2: #1d2528;
  --border: #2c373b;
  --text: #f1eee8;
  --muted: #95a0a2;
  --accent: #e7aa60;
  --teal: #50bda9;
  --danger: #df766a;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }

.admin-topbar {
  min-height: 74px;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: #101617;
}

.admin-topbar h1,
.admin-panel h2,
.admin-login h2 {
  margin: 4px 0 0;
  font-size: 20px;
}

.kicker {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.admin-main {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.admin-login,
.admin-panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.admin-login { max-width: 480px; margin: 12vh auto 0; }
.admin-dashboard { display: grid; gap: 18px; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.form-grid { margin-top: 18px; display: grid; gap: 12px; }
.form-grid.two-columns { grid-template-columns: 1fr 1fr; }
.form-grid label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; }
.form-grid label.wide, .form-grid .wide { grid-column: 1 / -1; }

input, button { font: inherit; }
input {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #0f1416;
  color: var(--text);
}

.button {
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
}

.button.primary { background: var(--teal); color: #07110f; font-weight: 700; }
.button.ghost { border-color: var(--border); background: var(--surface-2); color: var(--text); }
.button.danger { border-color: rgba(223, 118, 106, .45); color: var(--danger); background: transparent; }
.button.small { min-height: 28px; padding: 0 9px; font-size: 11px; }

.error-text { min-height: 18px; margin: 0; color: var(--danger); font-size: 12px; }
.generated-keys {
  margin-top: 16px;
  padding: 14px;
  overflow: auto;
  border: 1px solid rgba(80, 189, 169, .45);
  border-radius: 7px;
  background: #0f1717;
  color: var(--text);
  white-space: pre-wrap;
}

.table-wrap { margin-top: 14px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { padding: 10px 9px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }

.status {
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--surface-2);
}
.status.active { color: var(--teal); }
.status.revoked { color: var(--danger); }
.muted-text { color: var(--muted); font-size: 11px; }
.inline-form { display: flex; align-items: center; gap: 6px; }
.inline-form input { width: 82px; min-height: 30px; }
.key-cell { min-width: 220px; max-width: 320px; white-space: normal !important; }
.key-cell code { overflow-wrap: anywhere; color: var(--text); font-size: 11px; }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: 360px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-2);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: 160ms ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: rgba(223, 118, 106, .6); }

@media (max-width: 700px) {
  .form-grid.two-columns { grid-template-columns: 1fr; }
  .form-grid label.wide, .form-grid .wide { grid-column: auto; }
}