:root {
  --sb-navy: #0b1220;
  --sb-blue: #3b82f6;
  --sb-blue-hover: #2563eb;
  --sb-purple: #7c3aed;
  --sb-bg: #f8fafc;
  --sb-surface: #ffffff;
  --sb-border: #e2e8f0;
  --sb-text: #0f172a;
  --sb-muted: #64748b;
  --sb-focus: rgba(59, 130, 246, 0.28);
  --sb-radius: 8px;
  --sb-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

html {
  font-size: 14px;
  min-height: 100%;
  position: relative;
}

@media (min-width: 768px) {
  html {
    font-size: 15px;
  }
}

body {
  background: var(--sb-bg);
  color: var(--sb-text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin-bottom: 64px;
}

a {
  color: var(--sb-blue);
  text-decoration: none;
}

a:hover {
  color: var(--sb-blue-hover);
}

h1,
h2,
h3 {
  color: var(--sb-text);
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.navbar {
  background: var(--sb-navy) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.12) !important;
  box-shadow: none !important;
}

.navbar .container {
  gap: 1rem;
}

.navbar-brand {
  align-items: center;
  color: #ffffff !important;
  display: inline-flex;
  font-weight: 700;
  letter-spacing: 0;
  min-height: 2.25rem;
}

.brand-logo-link {
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.14);
  border-radius: var(--sb-radius);
  padding: 0.35rem 0.55rem;
}

.brand-logo {
  display: block;
  height: 1.55rem;
  max-width: 10.5rem;
  object-fit: contain;
  width: auto;
}

.navbar .nav-link {
  border-radius: var(--sb-radius);
  color: #cbd5e1 !important;
  font-weight: 500;
  padding-inline: 0.75rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff !important;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.18);
}

.container main {
  padding-top: 1.25rem;
}

.btn {
  border-radius: var(--sb-radius);
  font-weight: 600;
}

.btn-primary {
  background: var(--sb-blue);
  border-color: var(--sb-blue);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--sb-blue-hover);
  border-color: var(--sb-blue-hover);
}

.btn-outline-primary {
  border-color: var(--sb-blue);
  color: var(--sb-blue);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--sb-blue);
  border-color: var(--sb-blue);
}

.btn-outline-secondary,
.btn-outline-danger,
.btn-link {
  border-radius: var(--sb-radius);
}

.form-control,
.form-select {
  border-color: var(--sb-border);
  border-radius: var(--sb-radius);
  color: var(--sb-text);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus {
  border-color: var(--sb-blue);
  box-shadow: 0 0 0 0.22rem var(--sb-focus);
}

.form-label {
  color: #334155;
  font-weight: 600;
}

.text-muted {
  color: var(--sb-muted) !important;
}

.table {
  --bs-table-bg: var(--sb-surface);
  --bs-table-border-color: var(--sb-border);
  background: var(--sb-surface);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  overflow: hidden;
}

.table thead th {
  background: #f1f5f9;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-bg-type: #fbfdff;
}

.metric-card,
.plan-card,
.surface-card {
  background: var(--sb-surface);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  transition: transform 120ms ease, border-color 120ms ease;
}

.metric-card:hover,
.plan-card:hover,
.surface-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.metric-label {
  color: var(--sb-muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
}

.metric-value {
  color: var(--sb-text);
  font-size: 1.75rem;
  font-weight: 700;
}

pre,
code,
.font-monospace {
  font-family: var(--sb-mono);
}

.api-key-value {
  background: #f8fafc;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  color: #1e293b;
  display: inline-block;
  max-width: 32rem;
  overflow-x: auto;
  padding: 0.35rem 0.5rem;
  white-space: nowrap;
}

pre {
  background: #ffffff !important;
  border: 1px solid var(--sb-border) !important;
  border-radius: var(--sb-radius) !important;
  color: var(--sb-text);
  font-size: 0.94rem;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
}

code {
  color: #1e293b;
}

pre code {
  color: inherit;
}

.alert {
  border-radius: var(--sb-radius);
}

.footer {
  background: var(--sb-surface);
  border-color: var(--sb-border) !important;
}