:root {
  --bg: #0d0f12;
  --bg-elevated: #15181d;
  --bg-panel: #1c2026;
  --border: #2b3138;
  --border-bright: #3a424a;
  --text: #f2f4f7;
  --text-dim: #9ca6b2;
  --text-faint: #838e9b;
  --accent: #ff6a1f;
  --accent-dim: #7a3210;
  --warn: #ffb020;
  --warn-dim: #8a6621;
  --danger: #ff3b4e;
  --danger-dim: #5c1e26;
  --success: #3ddc84;
  --success-dim: #1f4a34;
  --info: #5cc8ff;
  --info-dim: #1f3a4a;
  --bg-rgb: 13,15,18;
  --radius: 2px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Header stays dark graphite in both themes — never overridden under [data-theme="light"]. */
  --header-bg: #14171b;
  --header-bg-alt: #1a1e23;
  --header-text: #e7eaee;
  --header-text-dim: #97a1ab;
  --header-border: #262b31;
}

/* Light theme: colors re-tuned for contrast against a white background, not just
   inverted — the dark-mode accent/success/warn/danger/info values read fine on
   near-black but fail contrast on white, so this is a separate, deliberate palette. */
:root[data-theme="light"] {
  --bg: #f4f5f7;
  --bg-rgb: 244,245,247;
  --bg-elevated: #ffffff;
  --bg-panel: #eef0f2;
  --border: #e1e4e8;
  --border-bright: #c9ced4;
  --text: #1c2126;
  --text-dim: #565f68;
  --text-faint: #5c6570;
  --accent: #c2410c;
  --accent-dim: #f5dcc9;
  --warn: #8a5a00;
  --warn-dim: #f3ddb0;
  --danger: #b0233a;
  --danger-dim: #f3c3ca;
  --success: #1a7a44;
  --success-dim: #bfe8cf;
  --info: #0f6fa3;
  --info-dim: #c6e6f5;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

h1, h2, h3, .main-nav, .btn, .badge {
  font-family: var(--font-mono);
}

body {
  background-image:
    repeating-linear-gradient(0deg, rgba(255,106,31,0.02) 0px, rgba(255,106,31,0.02) 1px, transparent 1px, transparent 3px);
  min-height: 100vh;
}

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

.hazard {
  height: 4px;
  background-image: repeating-linear-gradient(-45deg, var(--accent) 0, var(--accent) 10px, var(--bg) 10px, var(--bg) 20px);
  opacity: 0.9;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header / nav ----------
   The header is a fixed dark-graphite band in both themes (--header-* tokens,
   never redefined under [data-theme="light"]) — dropdowns it opens (search
   results, mega menu, lang/theme menus) use the regular theme-following tokens
   since their content reads like normal page content, not header chrome. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
}

.header-utility {
  background: var(--header-bg-alt);
  border-bottom: 1px solid var(--header-border);
  max-height: 40px;
  transition: max-height 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}
/* overflow only clips while collapsed — while visible, its lang/theme dropdowns must be able to escape it */
.site-header.is-scrolled .header-utility { max-height: 0; opacity: 0; border-bottom-color: transparent; overflow: hidden; }

.header-utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
  gap: 16px;
}

.header-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--header-text-dim);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-utility-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}

.header-utility-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--header-text-dim);
}
.header-utility-link:hover { color: var(--header-text); text-decoration: none; }

.header-main-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
  position: relative;
  transition: height 0.2s ease;
}
.site-header.is-scrolled .header-main-inner { height: 56px; }

@media (max-width: 720px) {
  .header-main-inner { gap: 12px; }
  .header-search { margin: 0 !important; }
}

@media (max-width: 480px) {
  .header-main-inner {
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    flex-wrap: wrap;
  }
  .header-search { order: 3; flex-basis: 100%; margin: 0 !important; }

  /* once scrolled, collapse to a single compact row: search rejoins the
     top line and the wordmark shrinks to just the "CB" mark */
  .site-header.is-scrolled .header-main-inner { flex-wrap: nowrap; height: auto; padding-top: 8px; padding-bottom: 8px; }
  .site-header.is-scrolled .header-search { order: 0; flex-basis: auto; flex: 1 1 auto; }
  .site-header.is-scrolled .logo .crack { display: none; }
}

.header-search {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 560px;
  margin: 0 auto;
}

.header-search-input {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  background: var(--header-bg-alt);
  border: 1px solid var(--header-border);
  border-radius: var(--radius);
  color: var(--header-text);
  font-family: var(--font-mono);
  font-size: 14px;
  transition: height 0.2s ease;
}
.site-header.is-scrolled .header-search-input { height: 38px; }
.header-search-input::placeholder { color: var(--header-text-dim); }
.header-search-input:focus { outline: none; border-color: var(--accent); }

.header-search-results {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  max-height: 320px;
  overflow-y: auto;
  z-index: 20;
}
.header-search-results.is-open { display: flex; }
.header-search-result {
  display: block;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 13.5px;
}
.header-search-result:last-child { border-bottom: none; }
.header-search-result:hover, .header-search-result.is-focused { background: var(--bg-panel); text-decoration: none; }
.header-search-result .desc { display: block; color: var(--text-faint); font-size: 12px; margin-top: 2px; }
.header-search-empty { padding: 14px; color: var(--text-faint); font-size: 13px; }
.header-search-section {
  padding: 10px 14px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-faint);
}

.search-close { display: none; }

@media (max-width: 720px) {
  .header-search.is-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 80;
    background: var(--header-bg);
    margin: 0;
    max-width: none;
    padding: 10px 14px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    align-content: flex-start;
    overflow-y: auto;
  }
  .header-search.is-fullscreen .search-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 44px;
    margin-right: 8px;
    background: none;
    border: none;
    color: var(--header-text);
    font-size: 20px;
    cursor: pointer;
    flex: none;
  }
  .header-search.is-fullscreen .header-search-input { flex: 1 1 auto; }
  .header-search.is-fullscreen .header-search-results {
    position: static;
    flex-basis: 100%;
    margin-top: 14px;
    max-height: none;
    box-shadow: none;
    border: none;
    background: transparent;
  }
}

.header-mobile-controls { display: none; align-items: center; gap: 6px; flex: none; }
@media (max-width: 720px) {
  .header-mobile-controls { display: flex; }
  .header-utility-right .lang-switcher,
  .header-utility-right .theme-switcher { display: none; }
  .header-mobile-controls .lang-btn,
  .header-mobile-controls .theme-btn { padding: 0 8px; }
  .header-mobile-controls .lang-btn > span:not(.lang-globe),
  .header-mobile-controls .theme-btn > span:last-child { display: none; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--header-text);
  letter-spacing: 0.5px;
  flex: none;
}

.logo:hover { text-decoration: none; }

.logo .mark {
  color: var(--header-bg);
  background: var(--accent);
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 13px;
}

.logo .crack {
  position: relative;
}

@media (prefers-reduced-motion: no-preference) {
  .logo .crack::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 40%, rgba(255,92,92,0.5) 48%, transparent 56%);
    animation: flicker 6s ease-in-out infinite;
    pointer-events: none;
    mix-blend-mode: screen;
  }
}

@keyframes flicker {
  0%, 92%, 100% { opacity: 0; }
  93%, 95% { opacity: 1; }
}

.nav-switcher { position: relative; flex: none; }

.nav-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--header-border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--header-text);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: height 0.2s ease;
}
.site-header.is-scrolled .nav-toggle { height: 38px; }
.nav-toggle:hover { border-color: var(--accent); }
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  background: var(--header-text);
  transition: background 0.15s ease;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before { position: absolute; left: 0; top: -5px; }
.nav-toggle-bars::after { position: absolute; left: 0; top: 5px; }
.nav-toggle:hover .nav-toggle-bars,
.nav-toggle:hover .nav-toggle-bars::before,
.nav-toggle:hover .nav-toggle-bars::after { background: var(--accent); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); background: var(--accent); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); background: var(--accent); }
.nav-toggle-label { white-space: nowrap; }
@media (max-width: 640px) { .nav-toggle-label { display: none; } .nav-toggle { padding: 0 10px; } }

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-switcher { position: relative; }
.theme-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--header-border);
  border-radius: var(--radius);
  color: var(--header-text-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
}
.theme-btn:hover { border-color: var(--accent); color: var(--header-text); }
.theme-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  min-width: 150px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  overflow: hidden;
  z-index: 20;
}
.theme-menu.is-open { display: flex; }
.theme-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
}
.theme-option:last-child { border-bottom: none; }
.theme-option:hover { background: var(--bg-panel); }
.theme-option.is-active { color: var(--accent); }
.theme-option.is-active::after { content: "\2713"; color: var(--accent); }

.lang-switcher { position: relative; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--header-border);
  border-radius: var(--radius);
  color: var(--header-text-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
}
.lang-btn:hover { border-color: var(--accent); color: var(--header-text); }
.lang-globe { font-size: 13px; line-height: 1; }

.lang-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 10px;
  min-width: 190px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  overflow: hidden;
  z-index: 20;
}
.lang-menu.is-open { display: flex; }
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13.5px;
  cursor: pointer;
}
.lang-option:last-child { border-bottom: none; }
.lang-option:hover:not(:disabled) { background: var(--bg-panel); }
.lang-option.is-active { color: var(--accent); }
.lang-option.is-active::after { content: "\2713"; color: var(--accent); }
.lang-option:disabled { color: var(--text-faint); cursor: not-allowed; opacity: 0.6; }
.lang-option .hint { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); }

.sheet-title { display: none; }
.sheet-cancel { display: none; }

@media (max-width: 720px) {
  .lang-menu, .theme-menu {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    margin: 0;
    min-width: 0;
    border-radius: var(--radius) var(--radius) 0 0;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: 0 -12px 32px rgba(0,0,0,0.5);
    z-index: 70;
    transform: translateY(100%);
    transition: transform 0.2s ease;
    pointer-events: none;
  }
  .lang-menu.is-open, .theme-menu.is-open {
    transform: translateY(0);
    pointer-events: auto;
  }
  .sheet-title {
    display: block;
    padding: 14px 16px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-faint);
    border-bottom: 1px solid var(--border);
  }
  .lang-option, .theme-option { padding: 14px 16px; font-size: 15px; }
  .sheet-cancel {
    display: block;
    width: 100%;
    text-align: center;
    padding: 16px;
    background: none;
    border: none;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
  }
}

/* ---------- mega menu (drawer on mobile) ---------- */

.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 10px;
  width: min(760px, 90vw);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  overflow: hidden;
  z-index: 25;
}
.mega-menu.is-open { display: block; }
.mega-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.mega-menu-header h3 {
  margin: 0;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-faint);
  font-family: var(--font-mono);
}
.mega-menu-header a { font-size: 12.5px; font-family: var(--font-mono); }
.mega-menu-close { display: none; background: none; border: none; color: var(--text-dim); font-size: 20px; line-height: 1; padding: 4px; cursor: pointer; }
.mega-menu-close:hover { color: var(--accent); }
.mega-menu-home { display: none; }
.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.mega-menu-col {
  padding: 16px 18px;
  border-right: 1px solid var(--border);
}
.mega-menu-col:last-child { border-right: none; }
.mega-menu-cat-toggle {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  margin: 0 0 10px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-faint);
  cursor: default;
}
.mega-menu-col a {
  display: block;
  color: var(--text-dim);
  font-size: 13.5px;
  padding: 6px 0;
}
.mega-menu-col a:hover { color: var(--text); text-decoration: none; }
.mega-menu-col a.active { color: var(--accent); }
.mega-menu-drawer-controls { display: none; }

@media (max-width: 720px) {
  .mega-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    margin-top: 0;
    width: 86vw;
    max-width: 360px;
    max-height: none;
    border-radius: 0;
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    z-index: 60;
  }
  .mega-menu.is-open { display: block; transform: translateX(0); }
  .mega-menu-close { display: block; }
  .mega-menu-viewall { display: none; }
  .mega-menu-home {
    display: block;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
  }
  .mega-menu-grid { grid-template-columns: 1fr; }
  .mega-menu-col { padding: 0; border-right: none; border-bottom: 1px solid var(--border); }
  .mega-menu-col:last-child { border-bottom: none; }
  .mega-menu-cat-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    padding: 14px 18px;
    font-family: var(--font-sans);
    font-size: 14px;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text);
    cursor: pointer;
  }
  .mega-menu-cat-toggle::after {
    content: "›";
    color: var(--text-faint);
    transform: rotate(90deg);
    transition: transform 0.15s ease;
  }
  .mega-menu-col.is-expanded .mega-menu-cat-toggle::after { transform: rotate(-90deg); }
  .mega-menu-cat-links { display: none; padding: 0 18px 14px; }
  .mega-menu-col.is-expanded .mega-menu-cat-links { display: block; }
  .mega-menu-drawer-controls {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
    padding: 6px 18px;
  }
  .mega-menu-drawer-btn {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border: none;
    border-bottom: 1px solid var(--border);
    background: none;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text);
    cursor: pointer;
  }
  .mega-menu-drawer-btn:last-child { border-bottom: none; }
  .mega-menu-drawer-btn span { color: var(--text-dim); font-family: var(--font-mono); font-size: 12.5px; }
}

.mobile-scrim {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 55;
}
.mobile-scrim.is-open { display: block; opacity: 1; }
@media (min-width: 721px) { .mobile-scrim { display: none !important; } }

body.scroll-locked { overflow: hidden; }

/* ---------- hero ---------- */

.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.hero p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto;
}

.hero .badge-row {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- cards ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  padding: 8px 0 64px;
}

.tool-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-bright);
  border-radius: 0;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.tool-card.is-live:hover {
  border-color: var(--border);
  border-left-color: var(--accent);
  transform: translateX(2px);
}

.tool-card .icon {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
}

.tool-card h3 {
  margin: 0;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tool-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 13.5px;
  flex-grow: 1;
}

.tool-card .cta {
  font-size: 13px;
  font-family: var(--font-mono);
  margin-top: 6px;
}

.tool-card.is-soon {
  opacity: 0.55;
}

.tool-card.is-soon .cta { color: var(--text-faint); }

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 8px 0 4px;
}

.section-heading h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-faint);
  margin: 0;
}

/* ---------- badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-bright);
  color: var(--text-dim);
}

.badge { border-radius: var(--radius); }
.badge.ok { color: var(--success); border-color: var(--success-dim); background: rgba(61,220,132,0.06); }
.badge.warn { color: var(--warn); border-color: var(--warn-dim); background: rgba(255,176,32,0.06); }
.badge.error { color: var(--danger); border-color: var(--danger-dim); background: rgba(255,59,78,0.08); }
.badge.info { color: var(--info); border-color: var(--info-dim); background: rgba(92,200,255,0.06); }

/* ---------- tool page shell ---------- */

.tool-page {
  padding: 40px 0 80px;
}

.tool-header {
  margin-bottom: 28px;
}

.tool-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tool-header h1 {
  margin: 6px 0 8px;
  font-size: 28px;
}

.tool-header p {
  color: var(--text-dim);
  max-width: 680px;
  margin: 0;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
  scroll-margin-top: 110px;
}

.panel h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
  margin: 0 0 14px;
}

.breadcrumb {
  font-size: 12.5px;
  color: var(--text-faint);
  margin-bottom: 18px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }

/* details-as-panel: same look as .panel, but the heading becomes a clickable
   disclosure — used for the technical drill-down sections on tool pages */
details.panel { padding: 0; }
details.panel > summary {
  list-style: none;
  cursor: pointer;
  padding: 20px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::after {
  content: "+";
  color: var(--text-dim);
  font-size: 16px;
  text-transform: none;
}
details.panel[open] > summary::after { content: "\2212"; }
details.panel[open] > summary { border-bottom: 1px solid var(--border); }
details.panel > summary ~ * { padding-left: 20px; padding-right: 20px; }
details.panel > summary ~ *:last-child { padding-bottom: 20px; }

.sticky-tool-bar {
  display: none;
}
@media (max-width: 720px) {
  .sticky-tool-bar {
    display: flex;
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: var(--header-bg);
    border-top: 1px solid var(--header-border);
    z-index: 40;
  }
  .sticky-tool-bar[hidden] { display: none; }
  .sticky-tool-bar #stickyLabel {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--header-text);
  }
}

/* ---------- cookie consent ---------- */

.cookie-consent {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-bright);
  padding: 16px 20px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}
.cookie-consent[hidden] { display: none; }
.cookie-consent-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-consent-inner p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-dim);
  flex: 1;
  min-width: 240px;
}
.cookie-consent-inner a { color: var(--accent); }
.cookie-consent-actions {
  display: flex;
  gap: 10px;
  flex: none;
}

/* ---------- dropzone ---------- */

.dropzone {
  display: block;
  border: 1.5px dashed var(--border-bright);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  color: var(--text-dim);
}

.dropzone:hover, .dropzone.is-dragover {
  border-color: var(--accent);
  background: rgba(255,106,31,0.05);
}

.dropzone:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.dropzone strong { color: var(--text); }
.dropzone-select { display: inline-flex; margin: 14px 0 8px; pointer-events: none; }

.dropzone input[type=file] { display: none; }

/* ---------- homepage ---------- */

.router-panel {
  margin: 32px auto 0;
  max-width: 640px;
}

.router-result {
  margin-top: 16px;
  padding: 16px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 13.5px;
}

.router-result .line { margin: 0 0 6px; color: var(--text-dim); }
.router-result .line:last-child { margin-bottom: 0; }
.router-result b { color: var(--text); }
.router-result a.cta-link { display: inline-block; margin-top: 4px; }

.category-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.category-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 7px 14px;
  border: 1px solid var(--border-bright);
  border-radius: 999px;
  color: var(--text-dim);
  background: var(--bg-elevated);
  cursor: pointer;
}

.category-pill:hover { border-color: var(--accent); color: var(--text); }
.category-pill.is-active { border-color: var(--accent); color: var(--accent); }

.tool-card[hidden] { display: none; }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  padding-bottom: 8px;
}

.problem-btn {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--text);
  text-align: left;
}

.problem-btn:hover { border-color: var(--accent); text-decoration: none; }
.problem-btn .q { display: block; font-weight: 600; margin-bottom: 4px; }
.problem-btn .a { display: block; font-size: 12.5px; color: var(--text-dim); font-family: var(--font-mono); }

.filetype-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  padding-bottom: 8px;
}

.filetype-card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--text);
}

.filetype-card:hover { border-color: var(--accent); text-decoration: none; }
.filetype-card .icon { font-family: var(--font-mono); color: var(--accent); font-size: 12px; text-transform: uppercase; }
.filetype-card h3 { margin: 6px 0 4px; font-size: 15px; }
.filetype-card p { margin: 0; font-size: 13px; color: var(--text-dim); }

@media (max-width: 480px) {
  .problem-grid, .filetype-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .problem-btn, .filetype-card { padding: 12px; }
  .problem-btn .q { font-size: 13px; }
  .problem-btn .a { font-size: 11.5px; }
  .filetype-card h3 { font-size: 13.5px; }
  .filetype-card p { font-size: 12px; }
}

.format-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 8px;
}

.format-tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 6px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
}

.format-tag:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 8px 0 48px;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
}

.stat .num { font-family: var(--font-mono); font-size: 28px; color: var(--accent); font-weight: 700; }
.stat .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }

.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 8px;
}

.changelog-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.changelog-item:last-child { border-bottom: none; }
.changelog-item .date { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); white-space: nowrap; padding-top: 2px; }
.changelog-item .desc p { margin: 2px 0 0; font-size: 13.5px; color: var(--text-dim); }
.changelog-item .desc strong { color: var(--text); font-size: 14px; }

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px 24px;
}

.checklist li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}

.checklist li::before { content: "✓"; color: var(--success); font-weight: 700; }

.privacy-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 48px;
}

.privacy-banner h2 { margin: 0 0 8px; font-size: 16px; }
.privacy-banner p { margin: 0; color: var(--text-dim); font-size: 14px; max-width: 700px; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
  display: block !important;
}

.file-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 12px;
}

.file-meta b { color: var(--text); }

/* ---------- buttons / inputs ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 700; }
.btn.primary:hover { border-color: var(--accent); filter: brightness(1.08); }

select.input,
input[type=text].input, textarea.input {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: var(--radius);
}

input[type=text].input:focus, textarea.input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---------- hex dump ---------- */

.hexdump-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

table.hexdump {
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12.5px;
  width: 100%;
  white-space: pre;
}

table.hexdump td {
  padding: 2px 4px;
  vertical-align: top;
}

table.hexdump th {
  padding: 4px 8px;
  text-align: left;
  color: var(--text-faint);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.hexdump .offset {
  color: var(--text-faint);
  padding-right: 14px;
  user-select: none;
}

table.hexdump .hexbytes { color: var(--text-dim); letter-spacing: 1px; }
table.hexdump .ascii { color: var(--text-dim); padding-left: 14px; border-left: 1px solid var(--border); }

table.hexdump .b-normal { color: var(--text-dim); }
table.hexdump .b-printable { color: var(--text); }
table.hexdump .b-null { color: var(--text-faint); }
table.hexdump .b-match { color: var(--success); background: rgba(61,220,132,0.12); border-radius: 2px; }
table.hexdump .b-mismatch { color: var(--danger); background: rgba(255,59,78,0.2); border-radius: 2px; }
table.hexdump .b-flag { color: var(--warn); background: rgba(255,176,32,0.15); border-radius: 2px; }
table.hexdump .b-selected { color: var(--bg); background: var(--accent); border-radius: 2px; }
table.hexdump span[data-offset] { cursor: pointer; }

/* ---------- binary structure viewer ---------- */

.structure-layout {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 16px;
}
@media (max-width: 720px) {
  .structure-layout { grid-template-columns: 1fr; }
}

.structure-tree {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 480px;
  overflow-y: auto;
  padding: 6px;
}
.structure-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  text-align: left;
  padding: 7px 8px;
  background: none;
  border: none;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  cursor: pointer;
}
.structure-node:hover { background: var(--bg-panel); color: var(--text); }
.structure-node.is-selected { background: var(--bg-panel); color: var(--accent); }
.structure-node .size { color: var(--text-faint); font-size: 11px; flex: none; }
.structure-node.is-unknown { color: var(--text-faint); font-style: italic; }
.structure-node.is-warn { color: var(--warn); }
.structure-node.is-error { color: var(--danger); }

.structure-inspector {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.hex-controls { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.hex-controls .input { width: 160px; }

.entropy-bars {
  display: flex;
  align-items: flex-end;
  gap: 1px;
  height: 90px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  background: var(--bg-panel);
}
.entropy-bar { flex: 1 1 auto; background: var(--accent); min-width: 1px; }

/* ---------- misc ---------- */

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  gap: 16px;
}

.result-row:last-child { border-bottom: none; }
.result-row .label { color: var(--text-dim); }
.result-row .value { font-family: var(--font-mono); text-align: right; word-break: break-all; }

.verdict {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-bright);
  border-left: 3px solid var(--border-bright);
  margin-bottom: 18px;
}

.verdict.ok { border-color: var(--success-dim); border-left-color: var(--success); background: rgba(61,220,132,0.06); color: var(--success); }
.verdict.warn { border-color: var(--warn-dim); border-left-color: var(--warn); background: rgba(255,176,32,0.06); color: var(--warn); }
.verdict.error { border-color: var(--danger-dim); border-left-color: var(--danger); background: rgba(255,59,78,0.08); color: var(--danger); }

.hint {
  color: var(--text-faint);
  font-size: 12.5px;
  margin-top: 8px;
}

/* Inline links inside prose need a non-color cue (WCAG 1.4.1) — nav items, buttons, and
   cards already read as distinct controls without one, so this is scoped to body copy. */
.hint a, .tool-header p a, main p a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

canvas.heatmap {
  width: 100%;
  height: 64px;
  display: block;
  border-radius: 0;
  cursor: crosshair;
  image-rendering: pixelated;
}

.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 10px;
}

.legend .swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: -1px;
}

footer.site-footer {
  background: var(--header-bg);
  border-top: 1px solid var(--header-border);
  color: var(--header-text-dim);
  font-size: 13px;
  margin-top: 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--header-border);
}

.footer-brand .footer-wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  color: var(--header-text);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.footer-brand .mark {
  color: var(--header-bg);
  background: var(--accent);
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 12px;
}
.footer-brand p { margin: 0; color: var(--header-text-dim); max-width: 280px; }

.footer-col summary {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--header-text-dim);
  margin: 0 0 12px;
  cursor: default;
  list-style: none;
}
.footer-col summary::-webkit-details-marker { display: none; }
.footer-col { display: flex; flex-direction: column; }
.footer-col a {
  display: block;
  color: var(--header-text-dim);
  font-size: 13px;
  padding: 5px 0;
}
.footer-col a:hover { color: var(--header-text); text-decoration: none; }

@media (max-width: 720px) {
  .footer-col summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 4px 0;
    margin: 0;
    font-size: 13px;
    letter-spacing: 0.5px;
  }
  .footer-col summary::after { content: "+"; color: var(--header-text-dim); font-size: 15px; }
  .footer-col[open] summary::after { content: "\2212"; }
  .footer-col a { padding: 8px 0 8px 2px; }
  .footer-col { border-bottom: 1px solid var(--header-border); padding-bottom: 8px; margin-bottom: 8px; }
  .footer-col:last-child { border-bottom: none; }
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 0;
}

.footer-controls { display: flex; align-items: center; gap: 10px; }
.footer-status { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 12px; }
.footer-uptime { color: var(--success); }
.footer-copyright { color: var(--header-text-dim); }

@media (max-width: 720px) {
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
}

.hidden { display: none !important; }