* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: #101114; color: #f4f4f5; }
a { color: #f5c542; text-decoration: none; }
.sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: 230px; background: #17191f; border-right: 1px solid #272a33; padding: 22px; }
.brand { font-weight: 800; font-size: 22px; margin-bottom: 25px; color: #f5c542; }
.sidebar a, .sidebar button { display: block; width: 100%; margin: 8px 0; padding: 12px; border-radius: 12px; color: #f4f4f5; background: transparent; border: 0; text-align: left; font-size: 15px; cursor: pointer; }
.sidebar a:hover, .sidebar button:hover { background: #232631; }
.content { margin-left: 230px; padding: 30px; }
h1 { margin-top: 0; font-size: 34px; }
h2 { margin-top: 0; }
.card { background: #17191f; border: 1px solid #272a33; border-radius: 20px; padding: 22px; margin-bottom: 22px; box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card h2 { color: #f5c542; }
.card > h2 code { color: #fff; }
.card p { color: #d4d4d8; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px; border-bottom: 1px solid #272a33; text-align: left; vertical-align: middle; }
th { color: #a1a1aa; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
code { background: #232631; color: #f5c542; padding: 4px 7px; border-radius: 8px; }
input, select { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid #343844; background: #101114; color: #fff; outline: none; }
input:focus, select:focus { border-color: #f5c542; }
button { background: #f5c542; color: #171717; border: 0; border-radius: 12px; padding: 12px 16px; font-weight: 800; cursor: pointer; }
button:hover { filter: brightness(1.08); }
button.danger { background: #ef4444; color: white; }
button.small { padding: 8px 10px; font-size: 12px; }
button.ghost { border: 1px solid #343844; background: transparent; color: #f4f4f5; }
button.ghost-danger { background: transparent; border: 1px solid #ef4444; color: #ef4444; }
.row-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; }
.license-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.alert { padding: 14px 16px; border-radius: 14px; margin-bottom: 18px; }
.alert.error { background: rgba(239, 68, 68, .15); border: 1px solid rgba(239, 68, 68, .35); color: #fecaca; }
.alert.success { background: rgba(34, 197, 94, .15); border: 1px solid rgba(34, 197, 94, .35); color: #bbf7d0; }
.pill { display: inline-block; border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 800; text-transform: uppercase; }
.pill.active { background: rgba(34, 197, 94, .15); color: #86efac; }
.pill.revoked, .pill.expired { background: rgba(239, 68, 68, .15); color: #fca5a5; }
.actions { display: flex; gap: 10px; margin-top: 18px; }
.log-line { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid #272a33; color: #d4d4d8; }
.log-line small { color: #71717a; }
.login-body { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: 420px; background: #17191f; border: 1px solid #272a33; padding: 30px; border-radius: 22px; box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.login-card h1 { color: #f5c542; }
.login-card form { display: grid; gap: 12px; }
.muted { color: #a1a1aa; }
@media (max-width: 900px) {
  .sidebar { position: static; width: 100%; }
  .content { margin-left: 0; }
  .grid.three, .grid.two, .license-form, .row-form { grid-template-columns: 1fr; }
}