:root {
  --zc-bg: #f4f6f8;
  --zc-surface: #ffffff;
  --zc-ink: #1a2332;
  --zc-muted: #5c6b7a;
  --zc-accent: #0d6e6e;
  --zc-valid: #1b7f4e;
  --zc-pre: #b58105;
  --zc-outdated: #b42318;
  --zc-lifetime: #1d4f91;
  --zc-blocked: #343a40;
  --zc-nav: #13212e;
}

body {
  background: linear-gradient(165deg, #eef2f5 0%, #f7f4ef 45%, #e8eef2 100%);
  color: var(--zc-ink);
  min-height: 100vh;
}

.navbar-portal {
  background: var(--zc-nav) !important;
}

.filter-card {
  background: var(--zc-surface);
  border: 2px solid transparent;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 1px 2px rgba(19, 33, 46, 0.06);
}

.filter-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(19, 33, 46, 0.08);
}

.filter-card.is-active {
  border-color: var(--zc-accent);
  box-shadow: 0 0 0 3px rgba(13, 110, 110, 0.15);
}

.filter-card h5 {
  font-size: 0.85rem;
  color: var(--zc-muted);
  margin-bottom: 0.35rem;
}

.filter-card h2 {
  margin: 0;
  font-weight: 700;
}

.filter-card[data-filter="valid"] h2 { color: var(--zc-valid); }
.filter-card[data-filter="pre"] h2 { color: var(--zc-pre); }
.filter-card[data-filter="outdated"] h2 { color: var(--zc-outdated); }
.filter-card[data-filter="lifetime"] h2 { color: var(--zc-lifetime); }
.filter-card[data-filter="blocked"] h2 { color: var(--zc-blocked); }

.license-row:hover {
  background-color: rgba(13, 110, 110, 0.06);
}

.panel-card {
  background: var(--zc-surface);
  border: none;
  border-radius: 0.85rem;
  box-shadow: 0 1px 3px rgba(19, 33, 46, 0.08);
}

.login-shell {
  background: linear-gradient(160deg, #13212e 0%, #1d4f91 40%, #0d6e6e 100%);
  min-height: 100vh;
}

.login-card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.login-logo {
  display: block;
  max-width: 220px;
  width: 100%;
  height: auto;
}

.login-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #2a3a4a;
  margin-top: 0.25rem;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .details-grid {
    grid-template-columns: 1fr;
  }
}

.details-section {
  background: #f8fafb;
  border-radius: 0.65rem;
  padding: 1rem;
}

.details-section h6 {
  color: var(--zc-accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.license-key-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.license-key-row code {
  font-size: 0.9em;
  overflow: hidden;
  text-overflow: ellipsis;
}

.error-stacktrace {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  max-height: 60vh;
  overflow: auto;
}