:root {
  --bg: #f4f6f8;
  --card: #fff;
  --text: #1a1d21;
  --muted: #5c6670;
  --border: #d8dee4;
  --primary: #1e6b4a;
  --primary-hover: #165a3e;
  --danger: #b42318;
  --warn: #b54708;
  --ok: #067647;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }
.layout--guest .main { max-width: none; margin: 0 auto; width: 100%; }
.sidebar {
  width: 220px;
  background: #1a2332;
  color: #e8ecf0;
  padding: 1.25rem 1rem;
  flex-shrink: 0;
}
.sidebar h1 {
  font-size: 1rem;
  margin: 0 0 0.25rem;
  font-weight: 600;
}
.sidebar .sub { font-size: 0.75rem; color: #9aa5b1; margin-bottom: 1.5rem; }
.sidebar nav a {
  display: block;
  color: #c5cdd6;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.25rem;
}
.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}
.main { flex: 1; padding: 1.5rem 2rem; max-width: 1100px; }
.main h2 { margin: 0 0 1rem; font-size: 1.35rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; }
.stat strong { display: block; font-size: 1.75rem; }
.stat span { color: var(--muted); font-size: 0.875rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 0.875rem;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}
.btn:hover { background: var(--primary-hover); color: #fff; text-decoration: none; }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); color: var(--text); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.35rem; font-size: 0.875rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  max-width: 420px;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-error { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.alert-success { background: #ecfdf3; color: var(--ok); border: 1px solid #abefc6; }
.alert-warn { background: #fffaeb; color: var(--warn); border: 1px solid #fedf89; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-active { background: #ecfdf3; color: var(--ok); }
.badge-inactive { background: #f2f4f7; color: var(--muted); }
.badge-revoked { background: #fef3f2; color: var(--danger); }

.license-key-box {
  font-family: ui-monospace, monospace;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  background: #f8fafc;
  border: 2px dashed var(--primary);
  padding: 1rem;
  border-radius: 8px;
  user-select: all;
}
.toolbar { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.muted { color: var(--muted); font-size: 0.875rem; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.login-card { width: 100%; max-width: 380px; }
.code-input {
  font-family: ui-monospace, monospace;
  font-size: 1.35rem;
  letter-spacing: 0.2em;
  text-align: center;
}

.inline-form { display: inline; }