:root {
  --bg: #0b1220;
  --surface: #0f172a;
  --card: #111827;
  --border: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #2563eb;
  --primary-h: #1d4ed8;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0%, transparent 50%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.auth-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card, .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}

.auth-card { width: min(420px, 100%); }

.brand, .brand-inline {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.brand h1 { margin: 0; font-size: 1.35rem; }
.brand p, .muted { margin: 0; color: var(--muted); font-size: .9rem; }

.brand-mark {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(145deg, #3b82f6, #1d4ed8);
  display: grid; place-items: center;
  font-weight: 800; letter-spacing: .5px;
}
.brand-mark.sm { width: 36px; height: 36px; font-size: .75rem; }

.stack { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: .85rem; color: var(--muted); font-weight: 600; }
input, select {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: .95rem;
}
input:focus { outline: none; border-color: var(--primary); }

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  font-size: .9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn.primary { background: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-h); }
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn.ghost:hover { color: var(--text); border-color: #334155; }
.btn.danger { background: #7f1d1d; color: #fecaca; }
.btn.sm { padding: 6px 8px; font-size: .75rem; }
.btn.full { width: 100%; }

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-size: .9rem;
}
.alert.error { background: #3f1d1d; color: #fecaca; border: 1px solid #7f1d1d; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(11,18,32,.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.pill {
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.card-head h2 { margin: 0; font-size: 1.05rem; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.span-2 { grid-column: span 2; }

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 700; text-transform: uppercase; font-size: .7rem; letter-spacing: .4px; }
td.mono, .mono { font-family: Consolas, ui-monospace, monospace; font-size: .78rem; word-break: break-all; }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 800;
  text-transform: uppercase;
}
.badge.unused { background: #1e293b; color: #94a3b8; }
.badge.active { background: #064e3b; color: var(--ok); }
.badge.blocked { background: #7f1d1d; color: #fecaca; }
.badge.expired { background: #78350f; color: var(--warn); }

.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.result-box {
  margin-top: 12px;
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  white-space: pre-wrap;
}
.hidden { display: none; }

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .pill { display: none; }
}