/* Founder admin SPA — secret internal surface (R57–R60) */

.nf-body {
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  color: var(--nadir-text, #e8edf5);
  background: var(--nadir-bg, #070b12);
}

.nf-grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
}

.nf-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 11, 18, 0.92);
  backdrop-filter: blur(10px);
}

.nf-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
}

.nf-brand em {
  font-style: normal;
  color: var(--nadir-accent, #5eead4);
  font-size: 0.85rem;
}

.nf-nav {
  display: flex;
  gap: 0.75rem;
  margin-left: auto;
}

.nf-nav a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.92rem;
}

.nf-nav a:hover {
  color: #fff;
}

.nf-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.nf-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 1.25rem;
}

.nf-panel-head h1 {
  margin: 0.25rem 0 0.35rem;
  font-size: 1.45rem;
}

.nf-panel-head-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: end;
}

.nf-kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nadir-accent, #5eead4);
}

.nf-muted {
  color: rgba(255, 255, 255, 0.62);
}

.nf-loading {
  padding: 2rem 0;
}

.nf-form {
  display: grid;
  gap: 0.85rem;
  max-width: 360px;
  margin-top: 1rem;
}

.nf-field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.nf-field input {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  padding: 0.65rem 0.75rem;
}

.nf-btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
}

.nf-btn-primary {
  background: linear-gradient(135deg, #0d9488, #0891b2);
  border-color: transparent;
  font-weight: 600;
}

.nf-btn-ghost {
  margin-left: auto;
}

.nf-btn-sm {
  font-size: 0.82rem;
  padding: 0.35rem 0.6rem;
}

.nf-error {
  color: #fca5a5;
  margin: 0;
}

.nf-search input {
  min-width: 220px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  padding: 0.55rem 0.75rem;
}

.nf-table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
}

.nf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.nf-table th,
.nf-table td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: top;
}

.nf-table th {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 600;
  cursor: pointer;
}

.nf-mono {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.nf-grade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  font-weight: 700;
  margin-right: 0.35rem;
}

.nf-grade-a { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.nf-grade-b { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.nf-grade-c { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.nf-grade-d { background: rgba(249, 115, 22, 0.2); color: #fdba74; }
.nf-grade-f { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }

.nf-pill {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.78rem;
}

.nf-dash-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 900px) {
  .nf-dash-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nf-card-wide {
    grid-column: 1 / -1;
  }
}

.nf-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.nf-card h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.nf-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.nf-link-list a {
  color: var(--nadir-accent, #5eead4);
}

.nf-probe-grid {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.nf-probe {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

.nf-probe-ok { border-color: rgba(16, 185, 129, 0.35); }
.nf-probe-bad { border-color: rgba(239, 68, 68, 0.35); }

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.nf-login {
  max-width: 480px;
}