@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("/static/fonts/InterVariable.woff2") format("woff2-variations");
  }
  @font-face {
    font-family: "Inter";
    font-style: italic;
    font-weight: 100 900;
    font-display: swap;
    src: url("/static/fonts/InterVariable-Italic.woff2") format("woff2-variations");
  }
  @font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/static/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  }
  @font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("/static/fonts/JetBrainsMono-Bold.woff2") format("woff2");
  }
  @font-face {
    font-family: "JetBrains Mono";
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url("/static/fonts/JetBrainsMono-Italic.woff2") format("woff2");
  }

  :root, [data-theme="dark"] {
    color-scheme: dark;
    --bt-bg: #070A0F;
    --bt-bg-elevated: #0B0F17;
    --bt-surface: #0F1521;
    --bt-surface-2: #161D2C;
    --bt-surface-3: #1E2638;
    --bt-border: #1A2233;
    --bt-border-2: #293449;
    --bt-border-3: #3B4A66;
    --bt-text: #E5E9F0;
    --bt-text-strong: #F8FAFC;
    --bt-text-muted: #94A3B8;
    --bt-text-faint: #64748B;
    --bt-text-dim: #475569;
    --bt-tide: #2DD4BF;
    --bt-tide-bright: #5EEAD4;
    --bt-tide-deep: #0F766E;
    --bt-tide-bg: rgba(45, 212, 191, 0.08);
    --bt-tide-glow: rgba(45, 212, 191, 0.45);
    --bt-tide-on-dark: #5EEAD4;
    --bt-amber: #F59E0B;
    --bt-amber-bright: #FBBF24;
    --bt-critical: #F87171;
    --bt-warning: #F59E0B;
    --bt-info: #94A3B8;
    --bt-success: #10B981;
    --bt-danger: #EF4444;
    --bt-critical-bg: #2C1517;
    --bt-warning-bg: #2A1F0A;
    --bt-info-bg: #161C24;
    --bt-success-bg: #0B2820;
    --bt-navy: #0F2C4D;
    --bt-navy-deep: #061427;
    --bt-on-navy: #F8FAFC;
    --bt-shadow: 0 12px 40px -16px rgba(0, 0, 0, 0.6);
    --bt-grid: #1A2233;
    --bt-nav-bg: rgba(7, 10, 15, 0.82);
    --bt-focus-ring: rgba(45, 212, 191, 0.35);
    --bt-selection-bg: #134E4A;
    --bt-selection-fg: #5EEAD4;
  }
  [data-theme="light"] {
    color-scheme: light;
    --bt-bg: #FFFFFF;
    --bt-bg-elevated: #F7F9FC;
    --bt-surface: #FFFFFF;
    --bt-surface-2: #F1F5F9;
    --bt-surface-3: #E2E8F0;
    --bt-border: #E2E8F0;
    --bt-border-2: #CBD5E1;
    --bt-border-3: #94A3B8;
    --bt-text: #0F2C4D;
    --bt-text-strong: #061427;
    --bt-text-muted: #475569;
    --bt-text-faint: #64748B;
    --bt-text-dim: #94A3B8;
    --bt-tide: #0E9F8E;
    --bt-tide-bright: #0D9488;
    --bt-tide-deep: #0F766E;
    --bt-tide-bg: rgba(14, 159, 142, 0.08);
    --bt-tide-glow: rgba(14, 159, 142, 0.30);
    --bt-tide-on-dark: #5EEAD4;
    --bt-amber: #B45309;
    --bt-amber-bright: #D97706;
    --bt-critical: #B91C1C;
    --bt-warning: #B45309;
    --bt-info: #475569;
    --bt-success: #047857;
    --bt-danger: #DC2626;
    --bt-critical-bg: #FEE2E2;
    --bt-warning-bg: #FEF3C7;
    --bt-info-bg: #F1F5F9;
    --bt-success-bg: #D1FAE5;
    --bt-navy: #0F2C4D;
    --bt-navy-deep: #061427;
    --bt-on-navy: #F8FAFC;
    --bt-shadow: 0 12px 32px -16px rgba(15, 44, 77, 0.18);
    --bt-grid: #E2E8F0;
    --bt-nav-bg: rgba(255, 255, 255, 0.92);
    --bt-focus-ring: rgba(14, 159, 142, 0.30);
    --bt-selection-bg: #CCFBF1;
    --bt-selection-fg: #0F766E;
  }

  *,*::before,*::after { box-sizing: border-box; }
  html { background: var(--bt-bg); scroll-padding-top: 80px; }
  body {
    margin: 0;
    background: var(--bt-bg);
    color: var(--bt-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    font-feature-settings: "cv11", "ss01", "ss03";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  ::selection { background: var(--bt-selection-bg); color: var(--bt-selection-fg); }
  code, pre, .mono, .text-mono {
    font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    font-feature-settings: "tnum", "zero", "ss01";
  }
  a { color: var(--bt-tide); text-decoration: none; transition: color 120ms ease; }
  a:hover { color: var(--bt-tide-bright); }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--bt-tide);
    outline-offset: 2px;
    border-radius: 2px;
  }
  h1, h2, h3, h4 {
    color: var(--bt-text-strong);
    margin: 0 0 16px 0;
    font-weight: 600;
    letter-spacing: -0.005em;
  }
  h1 { font-size: 22px; line-height: 1.2; }
  h2 { font-size: 17px; line-height: 1.3; }
  h3 { font-size: 14px; line-height: 1.4; }
  p { margin: 0 0 12px 0; color: var(--bt-text-muted); }
  hr { border: none; border-top: 1px solid var(--bt-border); margin: 24px 0; }

  /* Layout */
  .container { max-width: 1080px; margin: 0 auto; padding: 32px 32px; }
  .container-wide { max-width: 1320px; margin: 0 auto; padding: 32px 40px; }
  @media (max-width: 640px) {
    .container { padding: 24px 20px; }
    .container-wide { padding: 24px 20px; }
  }

  /* Navigation */
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    border-bottom: 1px solid var(--bt-border);
    background: var(--bt-nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 24px;
  }
  .brand {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--bt-text-strong);
    letter-spacing: -0.014em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  .brand .accent { font-weight: 700; color: var(--bt-tide); }

  /* Hamburger toggle (mobile-only). Hidden on desktop via display:none below. */
  .nav-toggle-input { position: absolute; left: -9999px; opacity: 0; }
  .nav-toggle {
    display: none;
    cursor: pointer;
    padding: 10px;
    margin: -10px;
    border-radius: 4px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
  }
  .nav-toggle:hover { background: var(--bt-surface-2); }
  .nav-toggle .nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--bt-text-strong);
    border-radius: 1px;
    transition: transform 160ms ease, opacity 160ms ease;
    transform-origin: center;
  }

  /* Nav links: horizontal on desktop, drawer on mobile */
  .nav-links {
    display: flex;
    gap: 22px;
    align-items: center;
    font-size: 14px;
    flex-wrap: nowrap;
  }
  .nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--bt-text-muted);
    padding: 6px 0;
    white-space: nowrap;
    transition: color 120ms ease;
  }
  .nav-links a:hover { color: var(--bt-text-strong); }
  .nav-cta { padding: 8px 14px !important; }
  .nav-signout { display: inline-flex; align-items: center; margin: 0; }
  .nav-signout button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--bt-border-2);
    border-radius: 3px;
    padding: 5px 12px;
    margin: 0;
    color: var(--bt-text-muted);
    font-family: inherit;
    font-size: 13px;
    line-height: 1.4;
    cursor: pointer;
    transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
  }
  .nav-signout button:hover {
    background: var(--bt-surface-2);
    border-color: var(--bt-border-3);
    color: var(--bt-text-strong);
  }

  @media (max-width: 760px) {
    .nav {
      padding: 14px 20px;
      flex-wrap: wrap;
    }
    .nav-toggle { display: flex; }
    .nav-links {
      display: none;
      width: 100%;
      flex-direction: column;
      gap: 0;
      align-items: stretch;
      margin-top: 8px;
      padding-top: 8px;
      border-top: 1px solid var(--bt-border);
    }
    .nav-toggle-input:checked ~ .nav-links { display: flex; }
    .nav-links a {
      padding: 14px 4px;
      border-bottom: 1px solid var(--bt-border);
      justify-content: space-between;
      font-size: 15px;
    }
    .nav-links a:last-of-type { border-bottom: 0; }
    .nav-cta { padding: 12px 14px !important; margin-top: 12px; text-align: center; justify-content: center; }
    .nav-signout { margin-top: 12px; width: 100%; }
    .nav-signout button {
      width: 100%;
      padding: 14px 4px;
      text-align: left;
      font-size: 15px;
      border-top: 1px solid var(--bt-border);
    }
    /* Animate hamburger to X when open */
    .nav-toggle-input:checked ~ .nav-toggle .nav-toggle-bar:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle-input:checked ~ .nav-toggle .nav-toggle-bar:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle-input:checked ~ .nav-toggle .nav-toggle-bar:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }
  }

  /* Cards */
  .card {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    padding: 22px;
    transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
  }
  .card:hover { border-color: var(--bt-border-2); }
  .card + .card { margin-top: 16px; }
  .grid > .card + .card { margin-top: 0; }
  .grid { display: grid; gap: 16px; }
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
  .grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--bt-border-2);
    background: var(--bt-surface);
    color: var(--bt-text);
    padding: 8px 14px;
    border-radius: 3px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 140ms ease, background 140ms ease, color 140ms ease, box-shadow 140ms ease;
    line-height: 1.2;
  }
  .btn:hover {
    background: var(--bt-surface-2);
    border-color: var(--bt-border-3);
    color: var(--bt-text-strong);
  }
  .btn-primary {
    background: var(--bt-tide);
    color: var(--bt-on-navy);
    border-color: var(--bt-tide);
    font-weight: 600;
  }
  .btn-primary:hover {
    background: var(--bt-tide-bright);
    border-color: var(--bt-tide-bright);
    color: var(--bt-on-navy);
  }
  .btn-ghost { background: transparent; }
  .btn-danger:hover { color: var(--bt-danger); border-color: var(--bt-danger); }
  .btn-sm { padding: 5px 10px; font-size: 12px; }
  .btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
    font-size: 13.5px;
  }
  .btn-outline {
    background: transparent;
    color: var(--bt-text-strong);
    border-color: var(--bt-border-3);
  }
  .btn-outline:hover {
    background: var(--bt-surface-2);
    border-color: var(--bt-tide);
    color: var(--bt-text-strong);
  }

  /* Forms */
  .input,
  input[type="email"],
  input[type="text"],
  input[type="url"],
  input[type="password"],
  input[type="search"],
  input[type="tel"],
  select.input,
  textarea.input {
    width: 100%;
    padding: 9px 12px;
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    color: var(--bt-text);
    border-radius: 3px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 140ms ease, box-shadow 140ms ease;
  }
  .input:focus, input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--bt-tide);
    box-shadow: 0 0 0 3px var(--bt-focus-ring);
  }
  .label {
    display: block;
    font-size: 12px;
    color: var(--bt-text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.04em;
  }
  .field + .field { margin-top: 16px; }

  /* Tables */
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--bt-text-faint);
    border-bottom: 1px solid var(--bt-border);
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--bt-border);
    vertical-align: top;
  }
  tr:hover td { background: var(--bt-bg-elevated); }
  tr.severity-critical td:first-child { border-left: 2px solid var(--bt-critical); }
  tr.severity-warning td:first-child { border-left: 2px solid var(--bt-warning); }
  tr.severity-info td:first-child { border-left: 2px solid var(--bt-info); }

  /* Status indicators */
  .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
  .dot-critical { background: var(--bt-critical); }
  .dot-warning { background: var(--bt-warning); }
  .dot-info { background: var(--bt-info); }
  .dot-success { background: var(--bt-success); }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 2px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .badge-critical { background: var(--bt-critical-bg); color: var(--bt-critical); border: 1px solid color-mix(in srgb, var(--bt-critical) 30%, transparent); }
  .badge-warning { background: var(--bt-warning-bg); color: var(--bt-warning); border: 1px solid color-mix(in srgb, var(--bt-warning) 30%, transparent); }
  .badge-info { background: var(--bt-info-bg); color: var(--bt-info); border: 1px solid var(--bt-border); }
  .badge-success { background: var(--bt-success-bg); color: var(--bt-success); border: 1px solid color-mix(in srgb, var(--bt-success) 30%, transparent); }
  .badge-tide {
    background: color-mix(in srgb, var(--bt-tide) 14%, transparent);
    color: var(--bt-tide);
    border: 1px solid color-mix(in srgb, var(--bt-tide) 35%, transparent);
  }

  /* Text utilities */
  .text-muted { color: var(--bt-text-muted); }
  .text-faint { color: var(--bt-text-faint); }
  .text-strong { color: var(--bt-text-strong); }
  .text-critical { color: var(--bt-critical); }
  .text-warning { color: var(--bt-warning); }
  .text-success { color: var(--bt-success); }
  .text-tide { color: var(--bt-tide); }
  .text-mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
  .label-mono {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bt-text-faint);
  }

  /* States */
  .empty-state {
    padding: 56px 24px;
    text-align: center;
    color: var(--bt-text-muted);
    border: 1px dashed var(--bt-border);
    border-radius: 3px;
  }
  .alert { padding: 12px 16px; border-radius: 3px; font-size: 13px; }
  .alert-error {
    background: var(--bt-critical-bg);
    color: var(--bt-critical);
    border: 1px solid color-mix(in srgb, var(--bt-critical) 35%, transparent);
  }
  .alert-success {
    background: var(--bt-success-bg);
    color: var(--bt-success);
    border: 1px solid color-mix(in srgb, var(--bt-success) 35%, transparent);
  }
  .row { display: flex; gap: 16px; align-items: center; }
  .row-between { display: flex; gap: 16px; align-items: center; justify-content: space-between; }
  .pulse { animation: pulse 1.4s ease-in-out infinite; }
  @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
  .skip-link {
    position: absolute;
    left: -9999px;
    top: 8px;
    background: var(--bt-surface);
    color: var(--bt-text);
    padding: 8px 12px;
    border-radius: 3px;
  }
  .skip-link:focus { left: 8px; outline: 2px solid var(--bt-tide); }

  /* App footer (authenticated) */
  .footer {
    border-top: 1px solid var(--bt-border);
    padding: 24px;
    margin-top: 64px;
    text-align: center;
    font-size: 12px;
    color: var(--bt-text-faint);
  }
  [aria-current="page"] { color: var(--bt-text-strong) !important; position: relative; }
  [aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bt-tide);
  }
  @media (max-width: 760px) {
    [aria-current="page"]::after {
      content: none;
    }
    .nav-links a[aria-current="page"] {
      border-left: 2px solid var(--bt-tide);
      padding-left: 14px;
      margin-left: -16px;
    }
  }

  /* Hero (interior pages) */
  .hero { padding: 32px 0 16px 0; }
  .hero h1 {
    font-size: 28px;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.015em;
  }
  .hero p.lede {
    font-size: 15px;
    color: var(--bt-text);
    max-width: 640px;
    margin-bottom: 24px;
  }

  /* Eyebrow / kicker */
  .kicker {
    display: inline-block;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bt-tide-deep);
    margin-bottom: 14px;
  }
  [data-theme="dark"] .kicker { color: var(--bt-tide); }

  /* Sections */
  .section { margin-top: 96px; }
  .section-head { max-width: 720px; margin-bottom: 32px; }
  .section-head h2 {
    font-size: 24px;
    line-height: 1.25;
    margin-bottom: 10px;
    letter-spacing: -0.012em;
  }
  .section-head p {
    font-size: 14px;
    color: var(--bt-text-muted);
    margin: 0;
    max-width: 620px;
  }

  /* Landing hero */
  .landing-hero { padding: 88px 0 24px 0; max-width: 820px; }
  .landing-hero h1 {
    font-size: 48px;
    line-height: 1.04;
    margin-bottom: 22px;
    letter-spacing: -0.028em;
    color: var(--bt-text-strong);
    font-weight: 600;
  }
  .landing-hero h1 .accent { color: var(--bt-tide); }
  [data-theme="dark"] .landing-hero h1 .accent { color: var(--bt-tide-bright); }
  .landing-hero p.lede {
    font-size: 16px;
    color: var(--bt-text-muted);
    max-width: 640px;
    margin-bottom: 28px;
    line-height: 1.6;
  }
  @media (max-width: 640px) {
    .landing-hero { padding-top: 56px; }
    .landing-hero h1 { font-size: 34px; }
    .section { margin-top: 64px; }
  }

  /* Stats */
  .stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px 48px;
    padding: 40px 0;
    border-top: 1px solid var(--bt-border);
    border-bottom: 1px solid var(--bt-border);
    margin-top: 64px;
  }
  @media (max-width: 1024px) { .stats { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 480px) { .stats { grid-template-columns: 1fr; gap: 24px; } }
  .stat { display: flex; flex-direction: column; align-items: flex-start; }
  .stat .stat-value {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-feature-settings: "tnum", "zero";
    font-size: 36px;
    color: var(--bt-text-strong);
    line-height: 1.05;
    font-weight: 600;
    letter-spacing: -0.028em;
    min-height: 38px;
    display: flex;
    align-items: baseline;
  }
  .stat .stat-value .unit {
    font-size: 18px;
    font-weight: 500;
    color: var(--bt-text-muted);
    letter-spacing: -0.005em;
    margin-left: 4px;
  }
  .stat .stat-label {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--bt-text-faint);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-top: 16px;
    line-height: 1.4;
  }

  /* Source / coverage cards */
  .source-card {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    padding: 22px;
    transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
    position: relative;
    display: flex;
    flex-direction: column;
  }
  .source-card:hover {
    border-color: var(--bt-border-2);
    background: var(--bt-surface-2);
    box-shadow: var(--bt-shadow);
  }
  [data-theme="dark"] .source-card:hover { box-shadow: none; }
  .source-card .source-tag {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--bt-tide-deep);
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  [data-theme="dark"] .source-card .source-tag { color: var(--bt-tide); }
  .source-card h3 { margin: 8px 0 8px 0; font-size: 14px; color: var(--bt-text-strong); }
  .source-card p { font-size: 13px; color: var(--bt-text-muted); margin: 0; line-height: 1.6; }
  .source-card .source-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
  }
  .source-card .source-num {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-feature-settings: "tnum";
    font-size: 11px;
    font-weight: 500;
    color: var(--bt-text-faint);
    letter-spacing: 0.10em;
  }
  .source-card p { flex: 1 1 auto; }
  .source-card .field-list {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--bt-border);
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 6px;
    min-height: 72px;
  }
  .source-card .field-chip {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 2px;
    background: var(--bt-bg-elevated);
    color: var(--bt-text-muted);
    border: 1px solid var(--bt-border);
    letter-spacing: 0.04em;
  }

  /* Severity list */
  .severity-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    background: var(--bt-surface);
  }
  .severity-list li {
    display: flex;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--bt-border);
    align-items: baseline;
  }
  .severity-list li:last-child { border-bottom: 0; }
  .severity-list .sev-tag {
    flex-shrink: 0;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 2px;
    min-width: 84px;
    text-align: center;
    letter-spacing: 0.10em;
    text-transform: uppercase;
  }
  .severity-list .sev-tag-critical {
    background: var(--bt-critical-bg);
    color: var(--bt-critical);
    border: 1px solid color-mix(in srgb, var(--bt-critical) 30%, transparent);
  }
  .severity-list .sev-tag-warning {
    background: var(--bt-warning-bg);
    color: var(--bt-warning);
    border: 1px solid color-mix(in srgb, var(--bt-warning) 30%, transparent);
  }
  .severity-list .sev-tag-info {
    background: var(--bt-info-bg);
    color: var(--bt-info);
    border: 1px solid var(--bt-border);
  }
  .severity-list .sev-body { font-size: 13px; color: var(--bt-text-muted); line-height: 1.6; }
  .severity-list .sev-body strong { color: var(--bt-text-strong); font-weight: 500; }

  .two-col { display: grid; gap: 36px; grid-template-columns: 1fr; }
  @media (min-width: 760px) { .two-col { grid-template-columns: 1fr 1fr; } }

  /* Checklist */
  .checklist { list-style: none; padding: 0; margin: 0; }
  .checklist li {
    padding: 9px 0 9px 24px;
    position: relative;
    color: var(--bt-text);
    font-size: 13px;
    line-height: 1.55;
    border-bottom: 1px solid var(--bt-border);
  }
  .checklist li:last-child { border-bottom: 0; }
  .checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 9px;
    height: 5px;
    border-left: 1.5px solid var(--bt-tide);
    border-bottom: 1.5px solid var(--bt-tide);
    transform: rotate(-45deg);
  }

  /* CTA band */
  .cta-band {
    background:
      radial-gradient(800px 240px at 90% 50%, var(--bt-tide-bg), transparent 70%),
      var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 4px;
    padding: 36px;
    margin-top: 64px;
  }
  .cta-band h2 {
    margin: 0 0 8px 0;
    font-size: 22px;
    color: var(--bt-text-strong);
    letter-spacing: -0.012em;
  }
  .cta-band p { margin: 0 0 20px 0; color: var(--bt-text-muted); font-size: 14px; }
  [data-theme="light"] .cta-band {
    background:
      radial-gradient(900px 280px at 90% 50%, rgba(45, 212, 191, 0.18), transparent 65%),
      linear-gradient(135deg, var(--bt-navy-deep) 0%, var(--bt-navy) 100%);
    border-color: var(--bt-navy);
    color: var(--bt-on-navy);
  }
  [data-theme="light"] .cta-band h2 { color: var(--bt-on-navy); }
  [data-theme="light"] .cta-band p { color: rgba(248, 250, 252, 0.78); }
  [data-theme="light"] .cta-band .btn {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.32);
    color: var(--bt-on-navy);
  }
  [data-theme="light"] .cta-band .btn:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--bt-on-navy);
  }
  [data-theme="light"] .cta-band .btn-primary {
    background: var(--bt-tide-bright);
    border-color: var(--bt-tide-bright);
    color: var(--bt-navy-deep);
  }
  [data-theme="light"] .cta-band .btn-primary:hover {
    background: #2DD4BF;
    border-color: #2DD4BF;
    color: var(--bt-navy-deep);
    box-shadow: 0 0 32px -8px rgba(45, 212, 191, 0.6);
  }

  /* Pricing */
  .pricing-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
  }
  @media (min-width: 720px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1080px) { .pricing-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
  @media (min-width: 1080px) { .pricing-grid.cols-4 { grid-template-columns: repeat(4, 1fr); } }
  .plan-card {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: border-color 140ms ease, box-shadow 140ms ease;
  }
  .plan-card:hover { border-color: var(--bt-border-2); }
  [data-theme="light"] .plan-card { box-shadow: 0 1px 0 rgba(15, 44, 77, 0.04); }
  [data-theme="light"] .plan-card:hover { box-shadow: var(--bt-shadow); }
  .plan-card.is-current { border-color: var(--bt-tide); }
  .plan-card.is-featured {
    border-color: color-mix(in srgb, var(--bt-tide) 55%, var(--bt-border));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--bt-tide) 35%, transparent),
      0 18px 40px -28px color-mix(in srgb, var(--bt-tide) 50%, transparent);
  }
  [data-theme="light"] .plan-card.is-featured {
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--bt-tide) 40%, transparent),
      0 16px 36px -22px rgba(15, 44, 77, 0.18);
  }
  .plan-card .plan-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 24px;
  }
  .plan-card .plan-name {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--bt-text-muted);
  }
  .plan-card .plan-price-block { margin-top: 18px; }
  .plan-card .plan-price-sub {
    margin: 6px 0 0 0;
    font-size: 12.5px;
    font-feature-settings: "tnum";
  }
  .plan-card .plan-features { flex: 1 0 auto; margin: 20px 0 0 0; }
  .plan-card .plan-cta {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .plan-card .plan-current-note { margin: 24px 0 0 0; font-size: 13px; }
  .plan-crypto-form { margin: 0; }
  .plan-crypto-btn {
    display: block;
    width: 100%;
    background: transparent;
    border: 0;
    padding: 4px 0;
    color: var(--bt-text-faint);
    font-family: inherit;
    font-size: 12.5px;
    cursor: pointer;
    text-align: center;
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--bt-text-faint) 40%, transparent);
    text-underline-offset: 3px;
    transition: color 140ms ease, text-decoration-color 140ms ease;
  }
  .plan-crypto-btn:hover {
    color: var(--bt-tide);
    text-decoration-color: var(--bt-tide);
  }

  /* Plans header + cycle toggle */
  .plans-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 32px;
  }
  .cycle-toggle {
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--bt-border);
    border-radius: 999px;
    background: var(--bt-surface);
  }
  .cycle-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--bt-text-muted);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: background 140ms ease, color 140ms ease;
  }
  .cycle-toggle-btn:hover { color: var(--bt-text-strong); }
  .cycle-toggle-btn.is-active {
    background: var(--bt-tide);
    color: var(--bt-on-navy);
    font-weight: 600;
  }
  .cycle-toggle-save {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bt-on-navy) 18%, transparent);
    color: var(--bt-on-navy);
  }
  .cycle-toggle-btn:not(.is-active) .cycle-toggle-save {
    background: color-mix(in srgb, var(--bt-tide) 16%, transparent);
    color: var(--bt-tide);
  }
  .plans-footnote {
    margin-top: 20px;
    font-size: 12.5px;
    line-height: 1.6;
  }
  .price {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 36px;
    color: var(--bt-text-strong);
    font-feature-settings: "tnum";
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1;
  }
  .price .per { color: var(--bt-text-faint); font-size: 13px; font-weight: 400; letter-spacing: 0; }
  ul.feature-list { list-style: none; margin: 0; padding: 0; }
  ul.feature-list li { padding: 6px 0; color: var(--bt-text); font-size: 13px; display: flex; align-items: baseline; gap: 8px; }
  ul.feature-list li::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--bt-tide);
    border-radius: 1px;
    margin-top: 8px;
    flex-shrink: 0;
  }
  details summary { cursor: pointer; padding: 10px 0; color: var(--bt-text); font-size: 14px; }
  details[open] summary { color: var(--bt-tide); }
  .source-db-list { list-style: none; margin: 0 0 12px 0; padding: 0; }
  .source-db-list li {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 12.5px;
    color: var(--bt-text-muted);
    padding: 3px 0 3px 18px;
    position: relative;
  }
  .source-db-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background: var(--bt-text-faint);
    border-radius: 1px;
  }

  .exposed-values {
    margin: 0 0 12px 0;
    padding: 12px 14px;
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    background: var(--bt-bg-elevated);
  }
  .exposed-value-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid var(--bt-border);
  }
  .exposed-value-row:last-child { border-bottom: 0; }
  .exposed-value-row dt {
    font-size: 12px;
    margin: 0;
  }
  .exposed-value-row dd {
    margin: 0;
    font-size: 13px;
    color: var(--bt-text);
    word-break: break-all;
  }

  /* Auth card */
  .auth-card {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 4px;
    padding: 36px;
    max-width: 440px;
    margin: 64px auto;
  }
  [data-theme="light"] .auth-card { box-shadow: var(--bt-shadow); }

  /* Hero backdrop */
  .hero-backdrop {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--bt-border);
    background: var(--bt-bg);
  }
  [data-theme="light"] .hero-backdrop {
    background: linear-gradient(180deg, var(--bt-bg) 0%, var(--bt-bg-elevated) 100%);
  }
  .hero-backdrop > * { position: relative; z-index: 1; }

  /* Icons */
  .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
    color: currentColor;
    flex-shrink: 0;
  }
  .icon svg { width: 100%; height: 100%; }
  .icon-tile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    background: var(--bt-bg-elevated);
    color: var(--bt-tide);
  }
  [data-theme="dark"] .icon-tile { color: var(--bt-tide-bright); background: var(--bt-bg); }
  .icon-tile .icon { width: 17px; height: 17px; }
  .icon-tile-lg { width: 44px; height: 44px; }
  .icon-tile-lg .icon { width: 21px; height: 21px; }

  /* Capability strip (inline feature signals under the hero) */
  .cap-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--bt-border);
  }
  .cap-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bt-text-muted);
    font-size: 13px;
  }
  .cap-chip .icon { width: 14px; height: 14px; color: var(--bt-tide); }

  /* Source grid for landing */
  .source-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
  @media (min-width: 760px) { .source-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1080px) { .source-grid { grid-template-columns: repeat(4, 1fr); } }

  /* Pipeline */
  .pipeline { display: grid; grid-template-columns: 1fr; gap: 16px; }
  @media (min-width: 760px) {
    .pipeline { grid-template-columns: repeat(4, 1fr); position: relative; }
    .pipeline::before {
      content: '';
      position: absolute;
      top: 22px;
      left: 12.5%;
      right: 12.5%;
      height: 1px;
      background: linear-gradient(90deg, transparent 0%, var(--bt-border-2) 18%, var(--bt-border-2) 82%, transparent 100%);
      z-index: 0;
    }
  }
  .pipeline .pipe-step { position: relative; z-index: 1; padding-right: 12px; }
  .pipeline .pipe-marker {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bt-bg);
    border: 1px solid var(--bt-border-2);
    color: var(--bt-tide);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-feature-settings: "tnum";
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
  }
  [data-theme="dark"] .pipeline .pipe-marker { color: var(--bt-tide-bright); }
  .pipeline .pipe-step h3 {
    font-size: 14px;
    margin: 0 0 6px 0;
    color: var(--bt-text-strong);
  }
  .pipeline .pipe-step p {
    font-size: 13px;
    color: var(--bt-text-muted);
    margin: 0;
    line-height: 1.55;
  }

  /* Payload preview, deliberately dark in both themes for the operator console look */
  .payload {
    background: #0F1521;
    border: 1px solid #1A2233;
    border-radius: 3px;
    overflow: hidden;
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 12.5px;
    box-shadow: 0 12px 40px -16px rgba(0, 0, 0, 0.4);
    margin: 0 0 24px 0;
  }
  .payload .payload-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #161D2C;
    border-bottom: 1px solid #1A2233;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #94A3B8;
  }
  .payload .payload-head .payload-status {
    color: #F87171;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .payload pre { margin: 0; padding: 18px; color: #E5E9F0; line-height: 1.7; overflow-x: auto; }
  .payload .k { color: #5EEAD4; }
  .payload .s { color: #FBBF24; }
  .payload .n { color: #2DD4BF; }
  .payload .b { color: #F87171; }
  .payload .c { color: #64748B; font-style: italic; }
  .payload .code-block pre.shiki {
    margin: 0;
    padding: 18px;
    background: transparent !important;
    line-height: 1.65;
    overflow-x: auto;
    font-size: 12.5px;
  }
  .payload .code-block pre.shiki code { background: transparent; }
  .payload .payload-head .payload-head-right {
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }
  .payload .copy-btn {
    appearance: none;
    background: transparent;
    color: #94A3B8;
    border: 1px solid #1A2233;
    border-radius: 3px;
    padding: 3px 10px;
    font: inherit;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
  }
  .payload .copy-btn:hover { color: #E5E9F0; border-color: #2DD4BF; }
  .payload .copy-btn[data-copied="1"] { color: #5EEAD4; border-color: #2DD4BF; }

  /* Reference tables (field reference, error reference) */
  .ref-table {
    display: grid;
    gap: 0;
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    overflow: hidden;
    margin: 16px 0 24px 0;
  }
  .ref-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) 2fr;
    gap: 16px;
    padding: 14px 16px;
    border-top: 1px solid var(--bt-border);
    align-items: baseline;
  }
  .ref-row:first-child { border-top: 0; }
  .ref-row:hover { background: var(--bt-surface-2); }
  .ref-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  .ref-name .ref-ident {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 13px;
    color: var(--bt-text-strong);
    background: var(--bt-bg-elevated);
    border: 1px solid var(--bt-border);
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: 500;
  }
  .ref-type {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 10.5px;
    color: var(--bt-tide-deep);
    letter-spacing: 0.04em;
    text-transform: lowercase;
  }
  [data-theme="dark"] .ref-type { color: var(--bt-tide); }
  .ref-desc {
    color: var(--bt-text-muted);
    font-size: 13px;
    line-height: 1.6;
  }
  .ref-desc .ref-enum {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
  }
  .ref-desc .ref-enum-value {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 2px;
    background: var(--bt-bg-elevated);
    color: var(--bt-text-muted);
    border: 1px solid var(--bt-border);
  }
  .ref-table-stacked .ref-name {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .ref-row-error { grid-template-columns: 70px minmax(160px, 1fr) 2fr; }
  .ref-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 2px;
    border: 1px solid;
  }
  .ref-status-4xx { color: #B45309; border-color: rgba(180, 83, 9, 0.4); background: rgba(251, 191, 36, 0.08); }
  .ref-status-5xx { color: var(--bt-danger); border-color: rgba(248, 113, 113, 0.4); background: rgba(248, 113, 113, 0.08); }
  [data-theme="dark"] .ref-status-4xx { color: #FBBF24; }
  @media (max-width: 720px) {
    .ref-row { grid-template-columns: 1fr; gap: 6px; }
    .ref-row-error { grid-template-columns: 1fr; }
  }

  /* Use cases */
  .use-case-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
  @media (min-width: 760px) { .use-case-grid { grid-template-columns: repeat(3, 1fr); } }
  .use-case {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    padding: 26px;
    transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
  }
  .use-case:hover {
    border-color: var(--bt-border-2);
    background: var(--bt-surface-2);
  }
  [data-theme="light"] .use-case:hover { box-shadow: var(--bt-shadow); }
  .use-case h3 { font-size: 15px; margin: 16px 0 8px 0; color: var(--bt-text-strong); }
  .use-case p { color: var(--bt-text-muted); margin: 0; font-size: 13px; line-height: 1.6; }
  .use-case ul { margin: 16px 0 0 0; padding: 0; list-style: none; }
  .use-case ul li {
    font-size: 12.5px;
    color: var(--bt-text-muted);
    padding: 8px 0 8px 20px;
    position: relative;
    border-top: 1px solid var(--bt-border);
  }
  .use-case ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 4px;
    height: 4px;
    background: var(--bt-tide);
    border-radius: 1px;
  }

  /* Delivery */
  .delivery-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
  @media (min-width: 760px) { .delivery-grid { grid-template-columns: repeat(3, 1fr); } }
  .delivery-card {
    background: var(--bt-surface);
    border: 1px solid var(--bt-border);
    border-radius: 3px;
    padding: 24px;
    transition: border-color 140ms ease, box-shadow 140ms ease;
  }
  .delivery-card:hover { border-color: var(--bt-border-2); }
  [data-theme="light"] .delivery-card:hover { box-shadow: var(--bt-shadow); }
  .delivery-card .head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
  .delivery-card .head h3 { margin: 0; font-size: 14px; color: var(--bt-text-strong); flex: 1; }
  .delivery-card p {
    font-size: 13px;
    color: var(--bt-text-muted);
    margin: 0;
    line-height: 1.55;
  }

  /* Public footer (light: navy band; dark: subtle) */
  .public-footer {
    border-top: 1px solid var(--bt-border);
    margin-top: 96px;
    background: var(--bt-bg);
  }
  [data-theme="light"] .public-footer {
    background: var(--bt-navy-deep);
    color: var(--bt-on-navy);
    border-top: none;
  }
  .footer-grid {
    display: grid;
    gap: 36px;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    padding: 56px 0 32px 0;
    text-align: left;
  }
  @media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  .footer-grid h4 {
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bt-text-faint);
    margin: 0 0 14px 0;
    font-weight: 600;
  }
  .footer-grid ul { margin: 0; padding: 0; list-style: none; }
  .footer-grid ul li { padding: 5px 0; }
  .footer-grid ul li a { color: var(--bt-text-muted); font-size: 13px; }
  .footer-grid ul li a:hover { color: var(--bt-text-strong); }
  .footer-grid p {
    color: var(--bt-text-muted);
    font-size: 13px;
    line-height: 1.6;
    max-width: 320px;
  }
  .footer-bar {
    border-top: 1px solid var(--bt-border);
    padding: 20px 0;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--bt-text-faint);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
  }
  .footer-bar-links { display: inline-flex; gap: 20px; }
  .footer-bar-links a { color: var(--bt-text-faint); }
  .footer-bar-links a:hover { color: var(--bt-text-strong); }
  .footer-signout { display: inline; margin: 0; padding: 0; }
  .footer-grid ul li .footer-signout button,
  .footer-signout button {
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: inherit;
    line-height: inherit;
    text-align: left;
    color: var(--bt-text-muted);
  }
  .footer-signout button:hover { color: var(--bt-text-strong); }
  [data-theme="light"] .public-footer .footer-signout button { color: rgba(248, 250, 252, 0.72); }
  [data-theme="light"] .public-footer .footer-signout button:hover { color: var(--bt-on-navy); }
  [data-theme="light"] .public-footer .footer-grid h4 { color: rgba(248, 250, 252, 0.55); }
  [data-theme="light"] .public-footer .footer-grid ul li a { color: rgba(248, 250, 252, 0.72); }
  [data-theme="light"] .public-footer .footer-grid ul li a:hover { color: var(--bt-on-navy); }
  [data-theme="light"] .public-footer .footer-grid p { color: rgba(248, 250, 252, 0.7); }
  [data-theme="light"] .public-footer .brand { color: var(--bt-on-navy); }
  [data-theme="light"] .public-footer .brand .accent { color: var(--bt-tide-on-dark); }
  [data-theme="light"] .public-footer .footer-bar {
    border-top: 1px solid rgba(248, 250, 252, 0.12);
    color: rgba(248, 250, 252, 0.55);
  }
  [data-theme="light"] .public-footer .footer-bar-links a { color: rgba(248, 250, 252, 0.55); }
  [data-theme="light"] .public-footer .footer-bar-links a:hover { color: var(--bt-on-navy); }

  /* Light-theme adjustments for buttons in landing-hero */
  [data-theme="light"] .btn-primary {
    background: var(--bt-navy-deep);
    border-color: var(--bt-navy-deep);
    color: var(--bt-on-navy);
  }
  [data-theme="light"] .btn-primary:hover {
    background: var(--bt-navy);
    border-color: var(--bt-navy);
    color: var(--bt-on-navy);
    box-shadow: 0 0 24px -8px rgba(15, 44, 77, 0.45);
  }
  [data-theme="light"] .cta-band .btn-primary {
    background: var(--bt-tide-bright);
    border-color: var(--bt-tide-bright);
    color: var(--bt-navy-deep);
  }

  /* Light-theme card depth */
  [data-theme="light"] .card { box-shadow: 0 1px 0 rgba(15, 44, 77, 0.04); }
  [data-theme="light"] .card:hover { box-shadow: var(--bt-shadow); }
  [data-theme="light"] .source-card { box-shadow: 0 1px 0 rgba(15, 44, 77, 0.04); }

  tr.row-new td:first-child {
    border-left: 3px solid var(--bt-tide);
  }
  .badge-new {
    background: var(--bt-tide-bg);
    color: var(--bt-tide-bright);
    border: 1px solid var(--bt-tide-deep);
    padding: 2px 6px;
    border-radius: 2px;
    font-size: 11px;
    font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .scan-indicator .scan-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bt-text-dim);
    transition: background 200ms ease;
  }
  .scan-indicator .scan-dot.scan-dot-active {
    background: var(--bt-tide-bright);
    animation: scan-dot-pulse 1.4s ease-in-out infinite;
  }
  @keyframes scan-dot-pulse {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50%      { opacity: 1.00; transform: scale(1.25); }
  }