:root {
  --green: #008069;
  --bg: #f0f2f5;
  --card: #fff;
  --text: #111b21;
  --muted: #667781;
  --border: #d1d7db;
  --red: #d93025;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
header { background: var(--green); color: #fff; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; }
header a { color: #fff; }
.brand { font-weight: 600; text-decoration: none; font-size: 16px; display: inline-flex; align-items: center; gap: 8px; }
.brand img { width: 32px; height: 32px; }
header nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
header nav .who { opacity: .9; }
.role { font-size: 10px; text-transform: uppercase; font-weight: 600; background: rgba(255,255,255,.2); padding: 2px 7px; border-radius: 8px; margin-left: 4px; }
.badge.inactivo { background: #eceff1; color: var(--muted); }
.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.stats .card { flex: 1; min-width: 140px; margin: 0; }
.stats b { display: block; font-size: 22px; }
.stats span { font-size: 12px; color: var(--muted); }
header nav a.who { text-decoration: none; }

/* Seguridad */
.alerts { margin: 0; padding-left: 20px; line-height: 1.7; color: var(--red); }
tr.ev-danger td { background: #fff5f5; }
.code-input { font-family: ui-monospace, Consolas, monospace; font-size: 20px; letter-spacing: 4px; text-align: center; }
.steps { line-height: 1.7; padding-left: 20px; }
.secret-box { background: var(--bg); border-radius: 8px; padding: 10px 14px; margin: 8px 0; line-height: 1.9; }
.key.secret { font-size: 15px; letter-spacing: 1px; }
.qr { margin: 10px 0; }
.qr svg { display: block; background: #fff; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.15); }
details.manual { margin: 6px 0 4px; }
details.manual summary { cursor: pointer; color: var(--green); font-size: 13px; }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }
.narrow { max-width: 380px; margin: 40px auto; }
h1 { font-size: 22px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 17px; margin-top: 28px; }
a { color: var(--green); }

.card { background: var(--card); border-radius: 10px; padding: 16px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
details.card summary { cursor: pointer; font-weight: 600; color: var(--green); }
details[open] summary { margin-bottom: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; align-items: end; }
.grid .full { grid-column: 1 / -1; }
.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.narrow label { margin-bottom: 12px; }
input, select, textarea { font: inherit; padding: 8px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); background: #fff; width: 100%; }
.inline select { width: auto; }
button { font: inherit; background: var(--green); color: #fff; border: 0; border-radius: 6px; padding: 9px 16px; cursor: pointer; }
button:hover { filter: brightness(1.1); }
button.link { background: none; color: var(--green); padding: 0; text-decoration: underline; }
button.danger, .danger { color: var(--red); }

.search { display: flex; gap: 8px; margin-bottom: 12px; }
.table-wrap { overflow-x: auto; background: var(--card); border-radius: 10px; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--bg); vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td small { color: var(--muted); }
.actions { white-space: nowrap; }
.actions form { display: inline-flex; gap: 10px; margin-left: 10px; }
.empty { text-align: center; color: var(--muted); padding: 24px; }

.key { font-family: ui-monospace, Consolas, monospace; background: #e7f6f2; padding: 2px 6px; border-radius: 4px; cursor: pointer; white-space: nowrap; }
.badge { font-size: 11px; padding: 3px 8px; border-radius: 10px; text-transform: uppercase; font-weight: 600; }
.badge.activa { background: #d9fdd3; color: #1a7f37; }
.badge.suspendida { background: #fde2e1; color: var(--red); }
.badge.vencida { background: #fff1c2; color: #8a6100; }

.flash { background: #d9fdd3; padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.flash.error { background: #fde2e1; color: var(--red); }