:root {
  --bg: #14161c;
  --panel: #1c1f27;
  --border: #2b2f3a;
  --text: #e8eaed;
  --muted: #8b909c;
  --accent: #4f8cff;
  --danger: #e5484d;
  --success: #3dd68c;
  --warning: #e5a83d;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

header h1 {
  font-size: 16px;
  margin: 0;
  font-weight: 600;
}

nav {
  display: flex;
  gap: 8px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
}

nav a.active {
  background: var(--accent);
  color: white;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

#login-view {
  max-width: 340px;
  margin: 15vh auto;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

#login-view h2 {
  margin-top: 0;
  font-size: 18px;
}

input {
  width: 100%;
  padding: 9px 10px;
  margin-bottom: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: white;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

button.danger { background: var(--danger); }
button.success { background: var(--success); color: #04241a; }
button:disabled { opacity: 0.5; cursor: default; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge.activo { background: rgba(61,214,140,0.15); color: var(--success); }
.badge.bloqueado { background: rgba(229,72,77,0.15); color: var(--danger); }
.badge.pending { background: rgba(229,168,61,0.15); color: var(--warning); }

.error-text { color: var(--danger); }
.license-row { margin-bottom: 6px; }
.detail-title { margin-top: 0; }
.hidden { display: none; }

.client-link {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}
.client-link:hover { text-decoration: underline; }

#error-box {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
  min-height: 16px;
}

.empty-state {
  color: var(--muted);
  padding: 32px 0;
  text-align: center;
  font-size: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  margin: 28px 0 10px;
}

.section-title:first-child { margin-top: 0; }

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}
.back-link:hover { color: var(--text); }

.mono { font-family: Consolas, monospace; font-size: 12px; color: var(--muted); }

#loading {
  color: var(--muted);
  padding: 24px 0;
  font-size: 13px;
}