:root {
  --bg:          #0f172a;
  --bg-card:     #1e293b;
  --bg-elev:     #334155;
  --border:      #334155;
  --text:        #f1f5f9;
  --text-dim:    #cbd5e1;
  --text-mute:   #94a3b8;
  --brand:       #6366f1;
  --brand-dark:  #4f46e5;
  --brand-soft:  #312e81;
  --success:     #10b981;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --info:        #0ea5e9;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────────────────── */

.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #0a1224;
  border-right: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
}
.brand .subtitle {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-mute);
  margin-top: 2px;
  letter-spacing: 0;
}

.nav { padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a:hover { background: var(--bg-elev); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--brand-soft); color: var(--text); }

.sidebar-foot {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  padding: 0 16px;
  font-size: 11px;
  color: var(--text-mute);
}

.main { padding: 24px 32px 64px; max-width: 1240px; }
.main-header { display: flex; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.main-header h1 { margin: 0; font-size: 22px; font-weight: 600; }
.main-header .sub { color: var(--text-mute); font-size: 13px; }
.main-header .right { margin-left: auto; }

/* ── Cards ────────────────────────────────────────────────────────────── */

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-label { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--text); margin-top: 4px; }
.stat-foot  { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.stat.warn .stat-value  { color: var(--warning); }
.stat.bad  .stat-value  { color: var(--danger); }
.stat.good .stat-value  { color: var(--success); }

.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 24px;
  overflow: hidden;
}
.section-header { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.section-header h2 { margin: 0; font-size: 15px; font-weight: 600; }
.section-header .sub { font-size: 12px; color: var(--text-mute); }
.section-header .right { margin-left: auto; }
.section-body { padding: 14px 16px; }
.section-body.tight { padding: 0; }

/* ── Tables ───────────────────────────────────────────────────────────── */

.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { padding: 9px 16px; text-align: left; }
.tbl thead th {
  background: #0a1224;
  color: var(--text-mute);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.tbl tbody tr { border-bottom: 1px solid var(--border); }
.tbl tbody tr:last-child { border-bottom: 0; }
.tbl tbody tr:hover { background: rgba(99, 102, 241, 0.06); }
.tbl td.mono { font-family: ui-monospace, "JetBrains Mono", Menlo, monospace; font-size: 12px; }
.tbl td.dim  { color: var(--text-mute); }

.empty { padding: 32px 16px; text-align: center; color: var(--text-mute); font-size: 13px; }

/* ── Badges ───────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-valid   { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-grace   { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-expired { background: rgba(239, 68, 68, 0.15);  color: #f87171; }
.badge-invalid { background: rgba(239, 68, 68, 0.15);  color: #f87171; }
.badge-missing { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }
.badge-revoked { background: rgba(239, 68, 68, 0.15);  color: #f87171; }
.badge-active  { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-plan    { background: rgba(99, 102, 241, 0.15); color: #a5b4fc; }

/* ── Forms ────────────────────────────────────────────────────────────── */

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 11px; color: var(--text-mute); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 8px 10px;
  background: #0a1224;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--brand);
}
.field .hint { font-size: 11px; color: var(--text-mute); margin-top: 4px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--brand);
  color: #fff;
  border: 1px solid var(--brand);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-elev); color: var(--text); }
.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover { background: #dc2626; border-color: #dc2626; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── Banners ──────────────────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  border: 1px solid;
}
.alert-success { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.4); color: #34d399; }
.alert-error   { background: rgba(239, 68, 68, 0.1);  border-color: rgba(239, 68, 68, 0.4);  color: #f87171; }
.alert-info    { background: rgba(99, 102, 241, 0.1); border-color: rgba(99, 102, 241, 0.4); color: #a5b4fc; }

/* ── Login ────────────────────────────────────────────────────────────── */

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.login-card h1 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
}
.login-card .sub { color: var(--text-mute); font-size: 13px; margin-bottom: 20px; }

/* ── JWT display ──────────────────────────────────────────────────────── */

.jwt-block {
  background: #0a1224;
  border: 1px solid var(--brand);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.jwt-block .label {
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.jwt-block pre {
  margin: 0;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--text-dim);
  word-break: break-all;
  white-space: pre-wrap;
  max-height: 240px;
  overflow-y: auto;
}

/* ── Metrics page ──────────────────────────────────────────────────────── */
.spark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 80px;
  padding: 4px 0;
}
.spark-bar {
  flex: 1;
  background: var(--brand, #6366f1);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
  transition: background 0.15s;
}
.spark-bar:hover { background: var(--brand-700, #4f46e5); }
.spark-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 11px;
}