:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #2a3140;
  --text: #e8edf7;
  --muted: #93a0b8;
  --accent: #2f9ed8;
  --danger: #d64545;
  --ok: #2fbf71;
  --warn: #d9a441;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2740 0%, transparent 50%),
              radial-gradient(900px 500px at 100% 0%, #142032 0%, transparent 45%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 24px; }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 24px; flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: 0.04em; font-size: 1.15rem; }
.brand span { color: var(--accent); }
.nav-actions { display: flex; gap: 12px; align-items: center; color: var(--muted); }

.card {
  background: color-mix(in srgb, var(--panel) 92%, black);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

h1, h2 { margin: 0 0 12px; font-weight: 650; }
.muted { color: var(--muted); font-size: 0.92rem; }

.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card { width: min(420px, 100%); }

label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 0.9rem; }
input, select, textarea {
  width: 100%;
  background: #0d1016;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  border-color: var(--accent);
}

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }

button, .btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #041018;
  font-weight: 650;
  padding: 9px 14px;
  cursor: pointer;
  font: inherit;
}
button.secondary, .btn.secondary { background: #2a3344; color: var(--text); }
button.danger, .btn.danger { background: var(--danger); color: white; }
button.ok, .btn.ok { background: var(--ok); color: #04120a; }
button:hover { filter: brightness(1.05); }

.flash {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 14px;
  background: color-mix(in srgb, var(--ok) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--ok) 45%, transparent);
}
.flash.err {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.key { font-family: var(--mono); font-size: 0.85rem; word-break: break-all; }
.hwid { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); max-width: 180px; word-break: break-all; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.actions form { display: inline; }
.actions button { padding: 6px 10px; font-size: 0.8rem; }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge.active { background: color-mix(in srgb, var(--ok) 25%, transparent); color: #b8f0cf; }
.badge.revoked { background: color-mix(in srgb, var(--danger) 25%, transparent); color: #ffc2c2; }

@media (max-width: 800px) {
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr { border: 1px solid var(--line); border-radius: 12px; padding: 10px; margin-bottom: 12px; }
  td { border: 0; padding: 4px 0; }
  td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    margin-bottom: 2px;
  }
}