/* ── Self-hosted fonts — no CDN, offline-first ───────────── */
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fonts/space-grotesk-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fonts/space-grotesk-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fonts/space-grotesk-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'VT323';
  src: url('fonts/vt323-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Orbitron';
  src: url('fonts/orbitron-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Orbitron';
  src: url('fonts/orbitron-latin-900-normal.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}

:root {
  /* Black · Red · Green theme */
  --bg: #050505;
  --sur: #0c0c0c;
  --sur2: #141414;
  --sur3: #1c1c1c;
  --bdr: #2a2a2a;
  --txt: #e8e8e8;
  --mut: #8a8a8a;
  --grn: #22c55e;
  --red: #ef4444;
  --yel: #86efac;          /* soft green, was yellow */
  --blu: #f87171;          /* accent red (replaces blue UI) */
  --pur: #4ade80;          /* secondary green (replaces purple) */
  --ora: #fca5a5;          /* light red */
  --cyn: #4ade80;          /* green accent (replaces cyan) */
  --pink: #f87171;
  --ok-bg: rgba(34,197,94,.12);
  --err-bg: rgba(239,68,68,.12);
  --info-bg: rgba(239,68,68,.08);
  --warn-bg: rgba(34,197,94,.1);
  --radius: 10px;
  --shadow: 0 8px 28px rgba(0,0,0,.55);
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', system-ui, sans-serif;
  --display: var(--sans);
  --glow-red: 0 0 18px rgba(239,68,68,.35);
  --glow-grn: 0 0 18px rgba(34,197,94,.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
h1, h2, h3, h4, .lab-heading, .hero h1 { font-family: var(--display); }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(58% 42% at 14% -4%, rgba(239, 68, 68, .085), transparent 62%),
    radial-gradient(46% 38% at 94% 6%, rgba(34, 197, 94, .05), transparent 64%),
    var(--bg);
  background-attachment: fixed;
  color: var(--mut);
  font-size: 14px;
  line-height: 1.5;
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 64px minmax(0, 1fr); /* minmax(0) so #main can scroll */
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

/* ── Header ───────────────────────────────────────── */
#hdr {
  grid-column: 1 / -1;
  background: #0d0d0d;
  border-bottom: 1px solid #1f1f1f;
  box-shadow: 0 1px 0 rgba(239,68,68,.12);
  padding: 0 18px 0 16px;
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 20;
}
/* Wordmark: R/OT red, crossed Ø gray */
#hdr .logo-img {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  opacity: .92;
  transition: opacity .15s ease;
  position: relative; z-index: 1;
  flex-shrink: 0;
}
#hdr .logo-img:hover { opacity: 1; }
#hdr .logo-word {
  height: 52px;
  width: auto;
  display: block;
  transform: translateX(-17px);
}
.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
  font: 500 12px var(--mono);
  letter-spacing: .02em;
}
.crumbs .crumb { color: #555; white-space: nowrap; }
.crumbs .crumb-now {
  color: var(--txt);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.crumbs .crumb-sep { color: #3a3a3a; }
#hdr .actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  position: relative; z-index: 1;
  align-items: center;
  flex-shrink: 0;
  padding-right: 2px;
}

/* RU | EN switch */
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background: #141414;
  border: 1px solid #1e1e1e;
  border-radius: 999px;
  gap: 2px;
}
.lang-opt {
  border: none;
  background: transparent;
  color: #8a8a8a;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .12s, color .12s, box-shadow .12s;
}
.lang-opt:hover { color: var(--txt); }
.lang-opt.active {
  background: linear-gradient(180deg, #dc2626 0%, #b91c1c 100%);
  color: #fff;
  box-shadow: 0 0 12px rgba(239,68,68,.3);
}

@media (max-width: 900px) {
  #hdr .logo-word { height: 38px; transform: translateX(-13px); }
  .crumbs { display: none; }
}

/* ── Sidebar ──────────────────────────────────────── */
#sidebar {
  background: var(--sur);
  border-right: 1px solid var(--bdr);
  overflow-y: auto;
  padding: 10px 0 24px;
  min-height: 0; /* grid row 1fr: allow internal scroll */
  min-width: 0;
}
.nsec {
  padding: 14px 16px 6px;
  font-size: 10px; color: var(--mut);
  text-transform: uppercase; letter-spacing: .14em; font-weight: 500;
  font-family: var(--mono);
}
.ni {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; margin: 2px 8px;
  border-radius: 8px; cursor: pointer;
  color: var(--txt); transition: background .12s, color .12s;
  border: 1px solid transparent;
}
.ni:hover { background: var(--sur2); border-color: #333; }
.ni.active {
  background: rgba(239,68,68,.1);
  border-color: rgba(239,68,68,.35);
  color: #fecaca;
  box-shadow: inset 3px 0 0 var(--red);
}
.ni .nn { font-size: 12.5px; flex: 1; line-height: 1.3; }
.ni .nd {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bdr); flex-shrink: 0;
  border: 1px solid var(--bdr);
}
/* Selected sidebar item only — green circle moves with selection */
.ni.active .nd {
  background: var(--grn);
  border-color: var(--grn);
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25), var(--glow-grn, 0 0 8px rgba(34, 197, 94, 0.35));
}
.ni:not(.active) .nd {
  background: var(--bdr);
  border-color: var(--bdr);
  box-shadow: none;
}
.nsep { border: none; border-top: 1px solid var(--bdr); margin: 10px 12px; }
.ni .icon {
  width: 8px; height: 8px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--bdr);
  border: 1px solid var(--bdr);
}
.ni.active .icon {
  background: var(--red);
  border-color: var(--red);
  box-shadow: var(--glow-red);
}

/* Nested sidebar: Web Top 10 → expand A01–A10 in place */
.nav-group { margin-bottom: 2px; }
.nav-group > .ni-parent.active {
  background: transparent;
  border-color: transparent;
  color: var(--txt);
  box-shadow: none;
}
.nav-group > .ni-parent.active .icon {
  background: var(--bdr);
  border-color: var(--bdr);
  box-shadow: none;
}
.nav-group .ni-parent {
  font-weight: 600;
  user-select: none;
  cursor: pointer;
}
.nav-group .nav-chevron {
  margin-left: auto;
  font-size: 11px;
  color: var(--mut);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  pointer-events: none;
}
.nav-group:not(.open) > .nav-children,
.nav-group .nav-children[hidden] {
  display: none !important;
}
.nav-children { padding: 2px 0 4px; }
.nav-subgroup { margin: 3px 0; }
.nav-subgroup > summary {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px 6px 14px;
  margin: 0 8px;
  border-radius: 6px;
  color: var(--mut);
  font: 700 9px var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}
.nav-subgroup > summary::-webkit-details-marker { display: none; }
.nav-subgroup > summary::before {
  content: '▸';
  flex-shrink: 0;
  width: 9px;
  font-size: 8px;
  color: var(--mut);
  transition: transform .12s ease;
}
.nav-subgroup[open] > summary::before { transform: rotate(90deg); }
.nav-subgroup > summary:hover { color: var(--txt); background: var(--sur2); }
.nav-subgroup > div {
  margin: 2px 8px 6px 22px;
  border-left: 1px solid var(--bdr);
  padding-left: 6px;
}
.ni.ni-child {
  padding: 6px 10px 6px 16px;
  margin-left: 10px;
  margin-right: 8px;
}
.nav-subgroup > div > .ni.ni-child { margin-left: 0; margin-right: 0; }
.ni.ni-child .nn { font-size: 13px; }

/* Web Top 10 hub grid */
.top10-grid-title {
  font-size: 15px;
  margin: 8px 4px 12px;
  color: var(--txt);
}
.top10-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.top10-card {
  border: 1px solid var(--bdr);
  border-radius: 12px;
  background: rgba(0,0,0,.22);
  padding: 14px 14px 12px;
  color: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .12s, background .12s, transform .12s;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 180px;
}
.top10-card:hover {
  border-color: rgba(239,68,68,.45);
  background: rgba(239,68,68,.06);
  transform: translateY(-1px);
}
.top10-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}
.top10-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.top10-card-title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 650;
  line-height: 1.3;
  color: var(--txt);
}
.top10-card-meta { font-size: 11.5px; }
.top10-card-blurb {
  margin: 0;
  font-size: 12.5px;
  color: var(--mut);
  line-height: 1.45;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.top10-card-stats {
  display: flex;
  gap: 12px;
  font-size: 11.5px;
  color: var(--mut);
  font-family: var(--mono);
}
.owasp-sources {
  margin: 20px 0 24px;
}
.owasp-sources .row { flex-wrap: wrap; gap: 7px; }
.owasp-sources > .ch h2 {
  font: 700 11px var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--mut);
}

/* CVE detail header keeps identity, score, and dense CVSS metadata distinct. */
.cve-detail-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  padding: 20px 22px 18px;
  border-bottom: 1px solid var(--bdr);
}
.cve-detail-tags {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-bottom: 9px;
  color: var(--mut);
  font: 600 12px var(--mono);
}
.cve-detail-summary h2 { margin: 0; font-size: 20px; }
.cve-detail-summary p {
  margin: 7px 0 0;
  color: var(--mut);
  line-height: 1.45;
}
.cve-detail-score {
  min-width: 78px;
  padding-left: 22px;
  border-left: 1px solid var(--bdr);
  text-align: right;
}
.cve-detail-score strong {
  display: block;
  font: 700 34px/1 var(--mono);
  color: var(--txt);
}
.cve-detail-score span,
.cve-detail-fact > span {
  display: block;
  margin-top: 6px;
  color: var(--mut);
  font: 700 10px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.cve-detail-facts {
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr);
  gap: 18px 32px;
  padding: 15px 22px;
  border-bottom: 1px solid var(--bdr);
  background: rgba(255, 255, 255, .015);
}
.cve-detail-fact strong {
  display: block;
  margin-top: 6px;
  font: 500 15px var(--mono);
  color: var(--txt);
}
.cve-detail-vector code {
  display: block;
  margin-top: 6px;
  color: var(--mut);
  font: 500 12px/1.5 var(--mono);
  overflow-wrap: anywhere;
}
@media (max-width: 640px) {
  .cve-detail-header { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
  .cve-detail-score {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 0;
    border: 0;
    text-align: left;
  }
  .cve-detail-score span { margin: 0; }
  .cve-detail-facts { grid-template-columns: 1fr 1fr; gap: 16px; padding: 14px 16px; }
  .cve-detail-vector { grid-column: 1 / -1; }
}

/* Unified OWASP workspace */
.owasp-tabs {
  display: flex;
  gap: 6px;
  margin: 0 0 14px;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  background: rgba(0, 0, 0, .22);
}
.owasp-tab {
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--mut);
  font: 600 12px var(--sans);
  cursor: pointer;
}
.owasp-tab:hover { color: var(--txt); background: var(--sur2); }
.owasp-tab.active {
  color: #fff;
  border-color: #3d3d3d;
  background: var(--sur3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}
.owasp-project-grid,
.asvs-chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.owasp-project-card,
.asvs-chapter {
  padding: 16px;
  border: 1px solid var(--bdr);
  border-radius: 12px;
  background: rgba(0, 0, 0, .22);
}
.owasp-project-card { cursor: pointer; transition: .12s border-color, .12s transform; }
.owasp-project-card:hover,
.owasp-project-card:focus-visible { border-color: rgba(239, 68, 68, .5); transform: translateY(-1px); }
.owasp-project-card h2,
.asvs-chapter h3 { margin: 8px 0; font-size: 15px; }
.framework-card-grid .owasp-project-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.framework-card-grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.framework-card-grid .owasp-project-card.code-only {
  display: flex;
  flex-direction: column;
}
.framework-card-grid .owasp-project-card h2 {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  margin: 0;
}
.framework-card-grid .owasp-project-card p { margin: 0; }
.owasp-project-title { min-width: 0; }
.owasp-project-card p,
.asvs-chapter p { margin: 0; color: var(--mut); font-size: 12.5px; line-height: 1.55; }
.owasp-project-meta { color: var(--red); font: 700 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.asvs-actions { flex-wrap: wrap; margin-top: 14px; }
.asvs-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}
.asvs-level {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  background: var(--sur);
}
.asvs-level strong { color: var(--red); font: 800 20px var(--mono); }
.asvs-level span { font-size: 12.5px; line-height: 1.4; }
.asvs-level small { color: var(--mut); font-family: var(--mono); }
.asvs-chapter .lab-code { display: inline-block; }
.asvs-source { margin: 14px 2px 24px; }

/* Security frameworks */
.framework-tabs { scrollbar-width: thin; }
.framework-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}
.framework-flow button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 74px;
  padding: 11px;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(239, 68, 68, .06), rgba(0, 0, 0, .24));
  color: var(--txt);
  text-align: left;
  cursor: pointer;
}
.framework-flow button:hover { border-color: rgba(239, 68, 68, .5); }
.framework-flow small {
  display: block;
  margin-bottom: 7px;
  color: var(--red);
  font: 700 10px var(--mono);
  letter-spacing: .1em;
}
.framework-flow strong { font-size: 12px; line-height: 1.35; }
.framework-card-grid .lab-code { margin-right: 5px; }
.framework-group { margin-top: 22px; }
.framework-group .top10-grid-title { margin-bottom: 10px; }
.framework-stage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.framework-stage-list > div {
  padding: 15px 18px;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
}
.framework-stage-list > div > strong { display: block; margin-bottom: 5px; }
.framework-stage-list > div > small {
  display: block;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--bdr);
}
.framework-stage-list span { color: var(--mut); }
@media (max-width: 1250px) { .framework-stage-list { grid-template-columns: 1fr; } }
.framework-question-grid,
.framework-four-grid,
.stride-grid,
.framework-compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 9px;
}
.framework-question-grid,
.framework-four-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1250px) {
  .framework-question-grid,
  .framework-four-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .framework-question-grid,
  .framework-four-grid { grid-template-columns: 1fr; }
}
.stride-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1100px) { .stride-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .stride-grid { grid-template-columns: 1fr; } }
.framework-question-grid > div,
.framework-four-grid > div,
.stride-grid > div,
.framework-compare > div {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 13px;
  border: 1px solid var(--bdr);
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
}
.framework-question-grid strong,
.framework-four-grid strong,
.stride-grid b,
.framework-compare strong {
  color: var(--txt);
  font: 800 18px var(--mono);
}
.framework-question-grid span,
.framework-four-grid span,
.stride-grid strong,
.framework-compare span { font-weight: 650; }
.framework-question-grid small,
.framework-four-grid small,
.stride-grid small,
.framework-compare small { color: var(--mut); line-height: 1.45; }
.framework-compare {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
}
.framework-compare:has(> :nth-child(3):last-child) {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.framework-compare > :last-child:nth-child(odd) { grid-column: 1 / -1; }
.framework-compare:has(> :nth-child(3):last-child) > :last-child { grid-column: auto; }
.framework-compare > div {
  grid-template-rows: auto 1fr;
  min-width: 0;
  min-height: 132px;
  padding: 16px;
  border-color: var(--bdr);
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .04);
}
.framework-compare strong { color: var(--txt); line-height: 1.2; }
.framework-compare span {
  align-self: start;
  color: var(--txt);
  font-weight: 400;
  line-height: 1.55;
}
.stride-grid b { font-size: 26px; }
.framework-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.framework-split > div {
  padding: 13px;
  border: 1px solid var(--bdr);
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
}
.framework-question-grid > div,
.framework-four-grid > div,
.stride-grid > div,
.framework-compare > div,
.framework-stage-list > div,
.framework-split > div {
  border: 1px solid var(--bdr);
  border-left: 2px solid rgba(239, 68, 68, .45);
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
}
.framework-split h3 { margin-top: 0; }
.framework-formula {
  padding: 13px;
  border: 1px solid rgba(34, 197, 94, .35);
  border-radius: 9px;
  background: rgba(34, 197, 94, .06);
  color: var(--grn);
  font-family: var(--mono);
}
.framework-section .theory { max-width: none; }
.framework-sources .row { flex-wrap: wrap; gap: 7px; }
.framework-page .framework-section,
.framework-page .framework-sources {
  margin-bottom: 16px;
}
.framework-page .framework-section > .ch,
.framework-page .framework-sources > .ch {
  padding: 12px 16px;
  background: rgba(0, 0, 0, .18);
  border-bottom: 1px solid var(--bdr);
}
.framework-page .framework-section > .ch h2,
.framework-page .framework-sources > .ch h2 {
  font: 700 11px var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--mut);
}
.framework-page .framework-section > .cb,
.framework-page .framework-sources > .cb { padding: 16px; }
.framework-head { margin-bottom: 14px; }
.framework-kicker { margin: 0 0 20px; }
.framework-kicker span { margin: 0 8px; opacity: .45; }
@media (max-width: 980px) {
  .framework-head h1 { font-size: 24px; }
}
.framework-page .cb > ul,
.framework-page .cb > ol {
  margin-left: 0;
  padding-left: 0;
  list-style: none;
}
.framework-page .cb > ul > li,
.framework-page .cb > ol > li { position: relative; padding-left: 24px; }
.framework-page .cb > ul > li::before,
.framework-page .cb > ol > li::before {
  position: absolute;
  left: 0;
  width: 17px;
  text-align: left;
}
.framework-page .cb > ul > li::before,
.framework-page .cb > ol > li::before { content: '•'; color: var(--blu); }
.cb:not(.row) > * { margin-bottom: 0; }
.cb:not(.row) > * + * { margin-top: 18px; }
.framework-page .cb li { margin-bottom: 15px; line-height: 1.65; }
.framework-page .cb li:last-child { margin-bottom: 0; }
.framework-page .cb li > strong:first-child,
.framework-page .cb li > b:first-child {
  display: block;
  margin-bottom: 2px;
  color: #fff;
}
@media (max-width: 700px) {
  .framework-compare { grid-template-columns: 1fr; }
}

/* ── Main ─────────────────────────────────────────── */
#main {
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px 28px 48px;
  display: block; /* not flex: multi-root pages were collapsing sibling cards */
  min-height: 0; /* critical: grid item must shrink so overflow-y works */
  min-width: 0;
  height: 100%;
  background:
    radial-gradient(900px 420px at 8% -8%, rgba(239,68,68,.09), transparent 52%),
    radial-gradient(700px 340px at 95% 5%, rgba(34,197,94,.07), transparent 48%),
    radial-gradient(500px 280px at 50% 100%, rgba(239,68,68,.04), transparent 55%),
    var(--bg);
  color: var(--txt);
}
#main > .hero,
#main > .card,
#main > .lab-page,
#main > .g2 {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: auto;
  margin-bottom: 16px;
}
#main > .lab-page {
  max-width: none;
  margin-bottom: 24px;
}

.card {
  background: linear-gradient(180deg, #0f0f0f, #0a0a0a);
  border: 1px solid #232323;
  border-radius: 12px;
  overflow: visible; /* was hidden — clipped content looked like empty rows; sticky meta needs this */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .04),
    0 1px 2px rgba(0, 0, 0, .4),
    0 10px 26px -14px rgba(0, 0, 0, .7);
  color: var(--txt);
  min-width: 0;
  max-width: 100%;
}
.ch {
  padding: 12px 16px;
  border-bottom: 1px solid var(--bdr);
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,.15);
}
.ch h2 { font-size: 14px; font-weight: 650; flex: 1; color: var(--txt); }
.cb { padding: 16px; color: var(--txt); }
.cb p { color: var(--txt); margin-bottom: 10px; line-height: 1.65; }
.cb ul, .cb ol { margin: 0 0 10px 18px; color: var(--txt); }
.cb li { margin-bottom: 6px; line-height: 1.5; }
.cb strong { color: #fff; }

/* ── Tags ─────────────────────────────────────────── */
.tag {
  font-size: 10px; padding: 3px 9px; border-radius: 999px;
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.tc { background: rgba(239,68,68,.15); color: var(--red); border: 1px solid rgba(239,68,68,.35); }
.th { background: rgba(34,197,94,.1); color: #86efac; border: 1px solid rgba(34,197,94,.28); }
.tm { background: rgba(34,197,94,.14); color: var(--grn); border: 1px solid rgba(34,197,94,.35); }
.tb { background: rgba(239,68,68,.1); color: #fca5a5; border: 1px solid rgba(239,68,68,.28); }
.tp { background: rgba(34,197,94,.12); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.tn {
  background: rgba(255,255,255,.05); color: var(--mut);
  border: 1px solid var(--bdr);
}
.tool-detail-tags .tag { padding: 0; border: 0; border-radius: 0; background: none; color: var(--txt); }

/* ── Typography / Theory ──────────────────────────── */
.lab-page {
  max-width: none;
  width: 100%;
  margin: 0 auto;
  display: block; /* block, not flex — flex+huge children broke visibility in some engines */
  color: var(--txt);
  min-width: 0; /* prevent grid/flex children from forcing horizontal stretch */
  overflow-x: clip;
}
.lab-page > .hero,
.lab-page > .card {
  margin-bottom: 14px;
  min-width: 0;
  max-width: 100%;
}
.llm-area-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}
.llm-area {
  overflow: hidden;
}
.llm-area-head {
  cursor: pointer;
  user-select: none;
  border-bottom: 0;
}
.llm-area-head::-webkit-details-marker { display: none; }
.llm-area-head::marker { content: ""; }
.llm-area-head:hover { background: rgba(239, 68, 68, .06); }
.llm-area-head:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}
.llm-area-title {
  flex: 1;
  color: var(--txt);
  font-size: 14px;
  font-weight: 650;
}
.llm-area-chevron {
  color: var(--red);
  font: 700 20px/1 var(--mono);
  transition: transform .12s ease;
}
.llm-area[open] > .llm-area-head {
  border-bottom: 1px solid var(--bdr);
  background: rgba(239, 68, 68, .04);
}
.llm-area[open] .llm-area-chevron { transform: rotate(90deg); }
.llm-area-body {
  color: var(--txt);
  font-size: 14.5px;
  line-height: 1.7;
}
.lab-card {
  overflow: visible; /* sticky theory-meta needs visible ancestors — do not clip */
  min-width: 0;
  max-width: 100%;
}
.lab-header {
  align-items: center !important;
  padding: 16px 18px !important;
  flex-wrap: nowrap;
  width: 100%;
  box-sizing: border-box;
  gap: 12px;
}
.lab-title {
  display: flex;
  gap: 12px;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
}
.lab-code {
  font-family: var(--mono); font-weight: 800; font-size: 14px; color: var(--red);
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3);
  padding: 6px 10px; border-radius: 8px; flex-shrink: 0;
}
.lab-title h2,
.lab-title .lab-heading {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
}
.lab-sub { font-size: 12px; color: var(--mut); margin-top: 3px; }
.lab-footer { justify-content: space-between; }
.lab-header-actions { flex-shrink: 0; margin-left: auto; }

/* minmax(0,1fr): default 1fr min is auto — long unbroken theory/code forced column past the card */
.theory-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 28px;
  align-items: start;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  padding: 8px 4px 12px;
}
.lab-card .tabpane {
  padding: 22px 20px;
}
.lab-card .theory {
  padding: 4px 8px 12px 2px;
  line-height: 1.8;
}
.theory {
  max-width: 100%; /* not a fixed 760px that fights the grid */
  min-width: 0;
  width: 100%;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--txt);
  overflow-wrap: anywhere;
  word-break: break-word;
  overflow-x: auto; /* long pre/code scroll inside theory, not the whole app */
}
.theory h3 {
  font-size: 12.5px;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--grn);
  margin: 28px 0 10px;
  padding: 8px 0 8px 12px;
  border-left: 3px solid var(--red);
  border-bottom: 1px solid var(--bdr);
  background: linear-gradient(90deg, rgba(239,68,68,.1), rgba(34,197,94,.04), transparent);
}
.theory h3:first-child { margin-top: 0; }
.theory-badge {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  color: var(--cyn);
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.35);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
.theory-lead {
  color: var(--mut) !important;
  border-left: 3px solid var(--pur);
  padding: 10px 14px;
  background: rgba(34,197,94,.06);
  border-radius: 0 8px 8px 0;
  margin-bottom: 16px !important;
}
.theory-hr {
  border: none;
  border-top: 1px solid var(--bdr);
  margin: 20px 0;
}
.theory a { color: var(--blu); text-decoration: none; }
.theory a:hover { text-decoration: underline; }
.theory p { color: var(--txt); line-height: 1.75; margin-bottom: 12px; font-size: 14.5px; }
.theory p:last-child { margin-bottom: 0; }
.theory ul, .theory ol {
  margin: 0 0 14px 0;
  padding-left: 22px;
  color: var(--txt);
}
.theory li {
  margin-bottom: 8px;
  line-height: 1.65;
  font-size: 14px;
  color: var(--txt);
}
.theory ol { list-style-type: disc; }
.theory li::marker { color: var(--blu); }
.theory code,
code.inline {
  background: var(--sur2); border: 1px solid var(--bdr);
  padding: 1px 6px; border-radius: 4px;
  font-family: var(--mono); font-size: 12px; color: var(--pur);
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  white-space: break-spaces;
}
.theory pre {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  box-sizing: border-box;
  font-family: var(--mono);
  font-size: 12px;
}
.theory strong { color: #fff; font-weight: 650; }
.theory em { color: var(--cyn); font-style: normal; font-weight: 500; }

/* sticky meta: ancestors stay overflow:visible; column can shrink without pushing theory */
.theory-meta {
  position: sticky;
  top: 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  max-width: 100%;
  align-self: start;
}
.meta-block {
  background: var(--bg);
  border: 1px solid var(--bdr);
  border-radius: 10px;
  padding: 12px;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.meta-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--mut); font-weight: 700; margin-bottom: 8px;
}
.meta-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.meta-line { font-size: 12.5px; color: var(--mut); margin-bottom: 4px; }
.meta-line strong { color: var(--txt); }

.ebox {
  background: #080808;
  border: 1px solid var(--bdr);
  border-left: 3px solid var(--red);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px; margin: 12px 0;
  font-family: var(--mono); font-size: 12px;
  color: #86efac; white-space: pre-wrap; line-height: 1.55;
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
  box-sizing: border-box;
}
.ebox code {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: inherit;
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font: inherit;
}
.ebox.ok { border-left-color: var(--grn); color: var(--grn); }
.ebox.info { border-left-color: var(--grn); color: #4ade80; }
.goal {
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.28);
  border-radius: 8px;
  padding: 12px 14px; margin-bottom: 14px;
  font-size: 13.5px; color: #fecaca;
}
.goal .flag-hint { color: var(--mut); font-size: 12px; margin-top: 4px; }

@media (max-width: 900px) {
  .theory-wrap { grid-template-columns: minmax(0, 1fr); }
  .theory-meta { position: static; flex-direction: row; flex-wrap: wrap; }
  .meta-block { flex: 1; min-width: min(160px, 100%); }
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--bdr);
  background: var(--sur2); color: var(--txt);
  cursor: pointer; font-size: 12.5px; font-weight: 500;
  transition: all .12s; font-family: inherit;
  text-decoration: none;
}
.btn:hover { background: var(--sur3); border-color: #444; }
.btn:focus-visible {
  outline: 2px solid rgba(239, 68, 68, .55);
  outline-offset: 2px;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btnp {
  background: linear-gradient(180deg, #dc2626 0%, #b91c1c 100%);
  border-color: #ef4444; color: #fff;
  box-shadow: 0 0 12px rgba(239,68,68,.25);
}
.btnp:hover {
  background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
  border-color: #f87171;
  box-shadow: var(--glow-red);
}
.btnd { background: rgba(239,68,68,.15); border-color: rgba(239,68,68,.45); color: var(--red); }
.btnd:hover { background: rgba(239,68,68,.28); }
.btng { background: rgba(34,197,94,.15); border-color: rgba(34,197,94,.45); color: var(--grn); }
.btng:hover { background: rgba(34,197,94,.25); box-shadow: var(--glow-grn); }
.btns { padding: 5px 10px; font-size: 11.5px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ── Forms / Lab UI ───────────────────────────────── */
.lab-frame {
  background: #070707;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  overflow: hidden;
}
.lab-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: var(--sur2);
  border-bottom: 1px solid var(--bdr);
  font-size: 11px; color: var(--mut); font-family: var(--mono);
}
.lab-chrome .dots { display: flex; gap: 5px; }
.lab-chrome .dot { width: 9px; height: 9px; border-radius: 50%; }
.lab-chrome .dot.r { background: #ff5f57; }
.lab-chrome .dot.y { background: #febc2e; }
.lab-chrome .dot.g { background: #28c840; }
.lab-chrome .url {
  flex: 1; background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 6px; padding: 4px 10px; color: var(--cyn);
}
.lab-body { padding: 16px; min-height: 180px; }
.lab-body h3 { font-size: 15px; margin-bottom: 10px; }
.lab-body .muted { color: var(--mut); font-size: 12.5px; margin-bottom: 12px; }

.field { margin-bottom: 12px; }
.field label {
  display: block; font-size: 11px; color: var(--mut);
  margin-bottom: 4px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 12px;
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; color: var(--txt);
  font-family: var(--mono); font-size: 13px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--red); box-shadow: 0 0 0 3px rgba(239,68,68,.18);
}
.field textarea { min-height: 80px; resize: vertical; line-height: 1.5; }

.http-line {
  font-family: var(--mono); font-size: 12px;
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; padding: 10px 12px; margin: 8px 0;
  color: var(--cyn); word-break: break-all;
}
.resp {
  margin-top: 12px; border-radius: 8px; padding: 12px;
  font-family: var(--mono); font-size: 12px; line-height: 1.55;
  white-space: pre-wrap; word-break: break-word;
}
.resp.ok { background: var(--ok-bg); border: 1px solid rgba(34,197,94,.35); color: var(--grn); }
.resp.err { background: var(--err-bg); border: 1px solid rgba(239,68,68,.35); color: var(--red); }
.resp.info { background: var(--info-bg); border: 1px solid rgba(239,68,68,.28); color: #fca5a5; }
.resp.warn { background: var(--warn-bg); border: 1px solid rgba(34,197,94,.3); color: #86efac; }

.flag-box {
  margin-top: 14px; padding: 14px;
  background: linear-gradient(135deg, rgba(34,197,94,.14), rgba(239,68,68,.06));
  border: 1px solid rgba(34,197,94,.45);
  border-radius: 10px;
  animation: pop .35s ease;
  box-shadow: var(--glow-grn);
}
.flag-box .flabel { font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: .08em; }
.flag-box .fval {
  font-family: var(--mono); font-size: 15px; color: var(--grn);
  font-weight: 700; margin-top: 4px; word-break: break-all;
}
@keyframes pop {
  from { transform: scale(.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ── Tables ───────────────────────────────────────── */
.rtab { width: 100%; border-collapse: collapse; font-size: 12px; font-family: var(--mono); }
.rtab th {
  background: var(--sur2); border: 1px solid var(--bdr);
  padding: 6px 10px; text-align: left; color: var(--mut); font-weight: 600;
}
.rtab td {
  border: 1px solid var(--bdr); padding: 5px 10px;
  max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rtab tr:nth-child(even) td { background: rgba(255,255,255,.015); }
.rtab tr:hover td { background: rgba(239,68,68,.06); }
.rwrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--bdr); margin-top: 8px; }
.rmeta { font-size: 11px; color: var(--mut); margin-top: 6px; }

/* Bug report Markdown editor */
.report-editor {
  width: 100%;
  min-height: 420px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--txt);
  background: #080808;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  padding: 14px 16px;
  resize: vertical;
  box-sizing: border-box;
  white-space: pre;
  tab-size: 2;
}
.report-editor:focus {
  outline: none;
  border-color: rgba(239, 68, 68, 0.45);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.12);
}

/* ── Quiz (step-by-step, one question at a time) ──── */
.lab-header-actions { gap: 8px; flex-wrap: wrap; align-items: center; flex-shrink: 0; }
.tab-quiz { font-weight: 600; }
.quiz-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 18px;
  padding: 0 7px;
  margin-left: 6px;
  border-radius: 99px;
  font: 700 10.5px/1 var(--mono);
  font-variant-numeric: tabular-nums;
  background: rgba(239,68,68,.18);
  color: var(--red);
  vertical-align: middle;
}
.quiz-count.done {
  background: rgba(34,197,94,.18); color: var(--grn);
}
.tab[data-tab="quiz"].active .quiz-count {
  background: rgba(239,68,68,.28);
}
.tab[data-tab="quiz"].active .quiz-count.done {
  background: rgba(34,197,94,.28);
}
.quiz-shell {
  max-width: 720px;
  width: 100%;
  min-width: 0;
}
.quiz-intro-line {
  font-size: 12px; color: var(--mut);
  margin: 0 0 12px; line-height: 1.4;
}
.quiz-hint { margin: 10px 0 0; }
.quiz-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 10px; flex-wrap: wrap;
}
.quiz-meta { font-size: 12.5px; color: var(--mut); min-width: 0; }
.quiz-meta strong { color: var(--txt); }
.quiz-bar {
  height: 6px; border-radius: 99px; background: rgba(255,255,255,.06);
  overflow: hidden; margin-bottom: 16px;
}
.quiz-bar > i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--red), #f97316);
  border-radius: 99px; transition: width .25s ease;
}
.qq { margin-bottom: 8px; min-width: 0; }
.qt {
  font-size: 15px; font-weight: 600; margin-bottom: 12px;
  line-height: 1.45; color: var(--txt);
  overflow-wrap: anywhere; word-break: break-word;
}
.qo-list { display: flex; flex-direction: column; gap: 6px; }
.qo {
  display: flex; align-items: flex-start; gap: 10px;
  width: 100%; text-align: left;
  padding: 11px 14px;
  border: 1px solid var(--bdr); border-radius: 10px;
  cursor: pointer; font-size: 13px; color: var(--txt);
  background: var(--bg); transition: all .12s; font-family: inherit;
  min-width: 0;
}
.qo-letter {
  flex-shrink: 0; width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px; font-size: 11px; font-weight: 700;
  background: rgba(255,255,255,.06); color: var(--mut);
  font-family: var(--mono);
}
.qo-text {
  flex: 1; min-width: 0;
  overflow-wrap: anywhere; word-break: break-word; line-height: 1.45;
}
.qo:hover:not(:disabled) { border-color: var(--blu); background: rgba(239,68,68,.06); }
.qo:hover:not(:disabled) .qo-letter { color: var(--txt); background: rgba(239,68,68,.15); }
.qo:disabled { cursor: default; opacity: .95; }
.qo.ok { border-color: var(--grn); background: var(--ok-bg); color: var(--grn); font-weight: 600; }
.qo.ok .qo-letter { background: rgba(34,197,94,.25); color: var(--grn); }
.qo.bad { border-color: var(--red); background: var(--err-bg); color: var(--red); }
.qo.bad .qo-letter { background: rgba(239,68,68,.25); color: var(--red); }
.qo.dim { opacity: .55; }
.qe {
  font-size: 13px; color: var(--txt); margin-top: 12px;
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--bdr); background: rgba(0,0,0,.22);
  line-height: 1.55; display: none;
  overflow-wrap: anywhere; word-break: break-word;
}
.qe.show { display: block; animation: fadein .15s ease; }
.qe.ok-panel { border-color: rgba(34,197,94,.35); background: var(--ok-bg); }
.qe.bad-panel { border-color: rgba(239,68,68,.35); background: var(--err-bg); }
.qe .qe-title {
  font-weight: 700; font-size: 12.5px; letter-spacing: .02em;
  text-transform: uppercase; margin-bottom: 6px;
}
.qe.ok-panel .qe-title { color: var(--grn); }
.qe.bad-panel .qe-title { color: var(--red); }
.qe .qe-line { margin: 4px 0; color: var(--txt); font-size: 13px; }
.qe .qe-line span { color: var(--mut); }
.qe .qe-why {
  margin-top: 8px; padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,.08);
  color: var(--mut); font-size: 12.5px;
}
.qe .qe-why strong { color: var(--txt); }
.quiz-actions {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 14px; align-items: center;
}
.quiz-results {
  text-align: center; padding: 18px 8px 8px;
  max-width: 520px; margin: 0 auto;
}
.quiz-results h3 {
  margin: 0 0 6px; font-size: 18px; color: var(--txt);
}
.quiz-score-ring {
  width: 110px; height: 110px; margin: 14px auto;
  border-radius: 50%;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at center, var(--sur2, #12141a) 62%, transparent 63%),
    conic-gradient(var(--grn) calc(var(--p, 0) * 1%), rgba(255,255,255,.08) 0);
  font-size: 22px; font-weight: 700; color: var(--txt);
}
.quiz-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin: 16px 0 8px; text-align: center;
}
.quiz-stat {
  padding: 12px 8px; border-radius: 10px;
  border: 1px solid var(--bdr); background: rgba(0,0,0,.2);
}
.quiz-stat b { display: block; font-size: 20px; margin-bottom: 2px; }
.quiz-stat span { font-size: 11.5px; color: var(--mut); }
.quiz-stat.good b { color: var(--grn); }
.quiz-stat.bad b { color: var(--red); }
@media (max-width: 520px) {
  .quiz-stats { grid-template-columns: 1fr; }
}

/* ── Tabs ─────────────────────────────────────────── */
.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--bdr);
  padding: 0 8px; background: rgba(0,0,0,.18);
  overflow-x: auto; flex-wrap: nowrap;
}
.tab {
  padding: 11px 16px; border: none; background: none;
  color: var(--mut); cursor: pointer; font-size: 13px;
  border-bottom: 2px solid transparent; font-family: inherit;
  margin-bottom: -1px; white-space: nowrap; flex-shrink: 0;
  transition: color .12s, border-color .12s;
}
.tab:hover { color: var(--txt); background: rgba(255,255,255,.02); }
.tab.active { color: #fff; border-bottom-color: #6a6a6a; font-weight: 600; }
.tabpane {
  display: none;
  padding: 20px 18px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto; /* long code/theory lines scroll inside pane, not the whole app */
}
.tabpane.active { display: block; animation: fadein .15s ease; }
/* Inactive panes must not affect layout height */
.lab-card > .tabpane:not(.active) {
  display: none !important;
  height: 0 !important;
  overflow: hidden !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
}
.zd-acc-h {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  user-select: none; padding: 2px 0;
}
.zd-acc-h:hover { color: var(--red); }
.zd-acc-icon { font-size: 10px; color: var(--mut); flex-shrink: 0; width: 14px; text-align: center; }
.zd-acc-item { border-bottom: 1px solid var(--bdr); }
.zd-acc-item:last-child { border-bottom: none; }
.zd-acc-b { padding: 8px 0 8px 22px; }
@keyframes fadein {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: none; }
}

/* ── Grid helpers ─────────────────────────────────── */
.bgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1100px) {
  .bgrid, .g2, .g3 { grid-template-columns: 1fr; }
  body { grid-template-columns: 1fr; }
  #sidebar { display: none; }
  body.sidebar-open #sidebar {
    display: block; position: fixed; inset: 64px 0 0 0;
    z-index: 30; width: min(300px, 90vw);
  }
  #main { padding: 16px 18px 48px; }
  #main > .hero,
  #main > .card,
  #main > .lab-page,
  #main > .g2 { max-width: 100%; }
}

@media (max-width: 640px) {
  #main { padding: 12px 12px 48px; }
  body { grid-template-rows: 56px minmax(0, 1fr); }
  body.sidebar-open #sidebar { inset: 56px 0 0 0; }
  .hero h1 { font-size: 18px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .top10-grid { grid-template-columns: 1fr; }
  .asvs-levels { grid-template-columns: 1fr; }
  .framework-split { grid-template-columns: 1fr; }
  .framework-stage-list > div { grid-template-columns: 1fr; gap: 4px; }
}

/* ── Terminal ─────────────────────────────────────── */
#term {
  position: fixed; left: 280px; right: 0; bottom: 0;
  height: 0; background: var(--bg);
  border-top: 1px solid var(--bdr);
  display: flex; flex-direction: column;
  transition: height .2s ease; z-index: 40;
  box-shadow: 0 -8px 30px rgba(0,0,0,.4);
  overflow: hidden;
}
#term.open { height: min(340px, 42vh); }
body.term-open #main { padding-bottom: min(360px, 44vh); }
.hdr-db {
  font-size: 12px !important;
  padding: 4px 10px !important;
  font-weight: 600;
}
@media (max-width: 1100px) {
  #term { left: 0; }
}
#term .tbar {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; background: var(--sur);
  border-bottom: 1px solid var(--bdr); flex-shrink: 0;
}
#term .ttl { font-size: 12px; color: var(--mut); font-weight: 600; }
.ttab {
  padding: 4px 10px; border-radius: 6px; font-size: 12px;
  cursor: pointer; color: var(--mut); border: none; background: none; font-family: inherit;
}
.ttab.active { background: var(--sur2); color: var(--txt); }
.term-close { margin-left: auto; font-size: 12px; padding: 3px 8px; }
#tbody { display: flex; flex: 1; overflow: hidden; }
#tincol { display: flex; flex-direction: column; flex: 1; min-width: 0; border-right: 1px solid var(--bdr); }
#tsql {
  flex: 1; background: var(--bg); border: none; outline: none;
  color: var(--txt); font-family: var(--mono); font-size: 13px;
  padding: 10px 14px; resize: none; line-height: 1.5;
}
#tact {
  display: flex; gap: 6px; padding: 6px 10px;
  background: var(--sur); border-top: 1px solid var(--bdr); align-items: center;
}
#tmlbl { font-size: 11px; color: var(--mut); margin-right: auto; }
#tout {
  flex: 1; overflow: auto; padding: 10px 12px;
  font-family: var(--mono); font-size: 12px; min-width: 0;
}
#schema {
  width: 180px; background: var(--sur); border-left: 1px solid var(--bdr);
  overflow-y: auto; flex-shrink: 0;
}
.stitle { font-size: 10px; color: var(--mut); padding: 10px 10px 4px; text-transform: uppercase; letter-spacing: .1em; }
.stname { padding: 5px 10px; font-size: 12px; color: var(--yel); cursor: pointer; font-family: var(--mono); }
.stname:hover { background: var(--sur2); }
.scol { padding: 2px 10px 2px 22px; font-size: 10px; color: var(--mut); font-family: var(--mono); display: flex; gap: 5px; }
.scol .sct { color: var(--pur); }

/* ── Payload chips / chains ───────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px;
  background: var(--sur2); border: 1px solid var(--bdr);
  font-size: 13px; cursor: pointer; color: var(--txt);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.chip:hover { border-color: #3d3d3d; color: #fff; background: var(--sur3); }
.chip.active {
  background: var(--sur3); border-color: #5a5a5a; color: #fff; font-weight: 600;
}

/* OWASP Top 10 group row for payload library */
.pay-hint { font-size: 12.5px; line-height: 1.45; }
.pay-owasp-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.pay-group-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--sur2);
  border: 1px solid var(--bdr);
  color: var(--txt);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.pay-group-chip:hover {
  border-color: rgba(239,68,68,.55);
  color: #fecaca;
}
.pay-group-chip.active {
  background: rgba(239,68,68,.14);
  border-color: var(--red);
  color: #fecaca;
  box-shadow: 0 0 0 1px rgba(239,68,68,.15);
}
.pay-group-id {
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--red);
}
.pay-group-chip.active .pay-group-id { color: #f87171; }
.pay-group-n {
  min-width: 1.4em;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--bdr);
  font-size: 10.5px;
  color: var(--mut);
}
.pay-group-chip.active .pay-group-n {
  border-color: rgba(239,68,68,.35);
  color: #fca5a5;
}
.pay-tech-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--txt);
  margin: 2px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bdr);
}
.pay-tech-row { flex-wrap: wrap; gap: 6px; }

.chain-domain-row { margin-bottom: 10px; }
.chain-domain-chip { padding: 6px 10px; }
.chain-filter-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.chain-filter-row input,
.chain-filter-row select {
  min-height: 42px;
  border: 1px solid var(--bdr);
  border-radius: 8px;
  background: var(--bg);
  color: var(--txt);
  font: 13px var(--mono);
  padding: 8px 11px;
}
.chain-filter-row input { flex: 1; min-width: 160px; }
.chain-filter-row select { width: 190px; }
.chain-workspace {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.chain-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 680px;
  overflow: auto;
  padding-right: 6px;
}
.chain-list-item {
  display: block;
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--bdr);
  border-radius: 8px;
  background: var(--sur2);
  color: var(--txt);
  cursor: pointer;
  text-align: left;
}
.chain-list-item:hover { border-color: rgba(239,68,68,.55); }
.chain-list-item:focus-visible,
.ni:focus-visible,
.btn:focus-visible,
.chip:focus-visible,
.lang-opt:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}
.chain-list-item.active {
  border-color: var(--red);
  background: rgba(239,68,68,.12);
}
.chain-list-title {
  display: -webkit-box;
  overflow: hidden;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.chain-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 7px;
  color: var(--mut);
  font: 10.5px var(--mono);
}
.chain-detail {
  min-width: 0;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  padding: 4px 14px 14px;
  background: rgba(255,255,255,.01);
}
.chain-empty { padding: 18px; }
@media (max-width: 760px) {
  .chain-filter-row { flex-direction: column; }
  .chain-filter-row select { width: 100%; }
  .chain-workspace { grid-template-columns: 1fr; }
  .chain-list { max-height: 340px; }
}

.chain-meta {
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.chain-owasp {
  font-size: 12.5px;
  font-family: var(--mono);
}

.payload-item {
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; padding: 10px 12px; margin-bottom: 8px;
  font-family: var(--mono); font-size: 12px;
  display: flex; gap: 10px; align-items: flex-start;
}
.payload-item code { flex: 1; color: var(--cyn); word-break: break-all; white-space: pre-wrap; }
.chain-step {
  border-left: 2px solid var(--bdr);
  padding: 10px 0 10px 16px; margin-left: 8px;
  position: relative;
}
.chain-step::before {
  content: ''; position: absolute; left: -6px; top: 14px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--sur2); border: 2px solid var(--red);
}
.chain-step h4 { font-size: 13px; margin-bottom: 4px; }
.chain-step p { font-size: 12.5px; color: var(--mut); margin-bottom: 6px; }
.chain-step .cmd {
  font-family: var(--mono); font-size: 12px;
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 6px; padding: 8px 10px; color: var(--grn);
}
/* Command + copy icon (chains, kuber, payloads) */
.cmd-block {
  position: relative;
  margin-top: 4px;
}
.cmd-block .cmd {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--bdr);
  border-radius: 6px;
  padding: 10px 36px 10px 10px;
  color: var(--grn);
  white-space: pre-wrap;
  word-break: break-all;
}
.cmd-block .cmd-copy-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 2;
  padding: 2px 8px !important;
  font-size: 13px !important;
  line-height: 1.2 !important;
  min-width: 28px;
  opacity: 0.85;
}
.cmd-block .cmd-copy-btn:hover { opacity: 1; }
.payload-item-block {
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 4px !important;
}
.payload-item-block .cmd-block { width: 100%; }

/* ── Home / dashboard ─────────────────────────────── */
.hero, .framework-head {
  position: relative;
  overflow: hidden;
  padding: 34px 36px;
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(255, 255, 255, .05), transparent 58%),
    linear-gradient(180deg, #101010, #0b0b0b);
  border: 1px solid #232323;
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .05),
    0 1px 2px rgba(0, 0, 0, .5),
    0 14px 34px -14px rgba(0, 0, 0, .75);
}
.hero::before, .framework-head::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, .6) 14%, rgba(239, 68, 68, .12) 44%, transparent 72%);
}
.framework-head[data-watermark]::after,
.hero[data-watermark]::after {
  content: attr(data-watermark);
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  z-index: 0;
  max-width: 100%;
  overflow: hidden;
  font-family: var(--mono);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .08em;
  white-space: nowrap;
  color: rgba(255, 255, 255, .035);
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 62%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 62%);
  animation: framework-watermark-in 650ms var(--ease-ui) both;
}
.framework-head > div,
.hero[data-watermark] > * { position: relative; z-index: 1; }
@keyframes framework-watermark-in {
  from { opacity: 0; transform: translate(26px, -50%); letter-spacing: .3em; }
  to { opacity: 1; transform: translate(0, -50%); letter-spacing: .08em; }
}
@media (max-width: 1050px) {
  .framework-head[data-watermark]::after,
.hero[data-watermark]::after { display: none; }
}
.hero h1, .framework-head h1 {
  margin: 0 0 20px;
  font-size: 34px;
  font-weight: 650;
  letter-spacing: -.03em;
  line-height: 1.12;
}
.hero p, .framework-lede {
  margin: 0;
  max-width: 145ch;
  color: var(--mut);
  font-size: 15px;
  line-height: 1.65;
}
.hero > .row:first-child { gap: 0; margin-bottom: 20px; }
.hero > .row:first-child .tag, .framework-kicker {
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  color: var(--mut);
  font: 500 10.5px/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero > .row:first-child .tag + .tag::before { content: '·'; margin: 0 8px; opacity: .45; }
.hero .row:not(:first-child) { margin-top: 22px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
.stat {
  background: rgba(0,0,0,.25); border: 1px solid var(--bdr);
  border-radius: 10px; padding: 12px 14px;
}
.stat .n { font-size: 22px; font-weight: 750; font-family: var(--mono); }
.stat .l { font-size: 11px; color: var(--mut); margin-top: 2px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: 1fr 1fr; } }

.mod-card {
  background: var(--sur); border: 1px solid var(--bdr);
  border-radius: 10px; padding: 14px; cursor: pointer;
  transition: border-color .12s, transform .12s;
}
.mod-card:hover { border-color: var(--red); transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(239,68,68,.2); }
.mod-card .top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.mod-card .code { font-family: var(--mono); font-weight: 800; color: var(--red); font-size: 13px; }
.mod-card h3 { font-size: 13.5px; margin-bottom: 4px; }
.mod-card p { font-size: 12px; color: var(--mut); line-height: 1.45; }

/* ── Fix / code compare ───────────────────────────── */
.code-cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 900px) { .code-cmp { grid-template-columns: 1fr; } }
.code-block {
  background: #070707; border: 1px solid var(--bdr);
  border-radius: 8px; overflow: hidden;
}
.code-block .ctitle {
  padding: 7px 12px; font-size: 11px; font-weight: 700;
  border-bottom: 1px solid var(--bdr); text-transform: uppercase; letter-spacing: .06em;
}
.code-block.bad .ctitle { color: var(--red); background: rgba(239,68,68,.1); }
.code-block.good .ctitle { color: var(--grn); background: rgba(34,197,94,.1); }
.code-block pre {
  padding: 12px; font-family: var(--mono); font-size: 11.5px;
  line-height: 1.5; overflow-x: auto; color: var(--txt); white-space: pre-wrap;
}

/* ── Toast ────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 100;
  background: var(--sur2); border: 1px solid var(--bdr);
  border-radius: 10px; padding: 12px 16px;
  box-shadow: var(--shadow); display: none;
  max-width: 360px; font-size: 13px;
}
#toast.show { display: block; animation: pop .25s ease; }
#toast.ok { border-color: rgba(34,197,94,.55); box-shadow: var(--glow-grn); }
#toast.err { border-color: rgba(239,68,68,.55); box-shadow: var(--glow-red); }

/* ── Misc ─────────────────────────────────────────── */
.hint {
  font-family: var(--mono); font-size: 12px;
  background: var(--bg); border: 1px solid var(--cyn);
  border-radius: 8px; padding: 10px; color: var(--cyn);
  margin: 8px 0; cursor: pointer; display: none;
}
.muted { color: var(--mut); }
.small { font-size: 12px; }
.mt8 { margin-top: 8px; }
.mt12 { margin-top: 12px; }
.mb8 { margin-bottom: 8px; }
.mb12 { margin-bottom: 12px; }
.hidden { display: none !important; }
.scroll-y { max-height: 320px; overflow-y: auto; }
.kbd {
  font-family: var(--mono); font-size: 11px;
  background: var(--sur2); border: 1px solid var(--bdr);
  border-radius: 4px; padding: 1px 6px; color: var(--mut);
}
.user-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--sur2); border: 1px solid var(--bdr);
  font-size: 12px;
}
.user-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grn); }
.list-clean { list-style: none; }
.list-clean li {
  padding: 8px 0; border-bottom: 1px solid var(--bdr);
  font-size: 13px;
}
.list-clean li:last-child { border-bottom: none; }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--bdr);
  color: var(--txt); border-radius: 8px; padding: 6px 10px; cursor: pointer;
}
@media (max-width: 1100px) { .menu-toggle { display: inline-flex; } }
/* ── Challenges / scoreboard ─────────────────────── */
.chal-strip {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 14px;
}
.chal-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--bdr); background: var(--bg);
  color: var(--txt); cursor: pointer; font-family: inherit;
  font-size: 12px; transition: border-color .12s, background .12s;
  text-align: left;
}
.chal-chip:hover { border-color: var(--blu); }
.chal-chip.active {
  border-color: var(--blu);
  background: rgba(239,68,68,.1);
  box-shadow: 0 0 0 1px rgba(239,68,68,.25);
}
.chal-chip.done { border-color: rgba(34,197,94,.4); }
.chal-chip.done .chal-title { color: var(--grn); }
.chal-diff { font-size: 11px; letter-spacing: 1px; color: var(--yel); }
.diff-1 { color: var(--grn); }
.diff-2 { color: var(--yel); }
.diff-3 { color: var(--red); }
.chal-pts {
  font-family: var(--mono); font-size: 11px; color: var(--mut);
  background: var(--sur2); padding: 2px 6px; border-radius: 6px;
}
.chal-ok { color: var(--grn); font-weight: 700; }
.chal-title { font-weight: 600; max-width: 200px; }

.hint-panel {
  border: 1px solid var(--bdr); border-radius: 10px;
  background: rgba(0,0,0,.2); padding: 12px 14px; margin-bottom: 14px;
}
.hint-head {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--mut); font-weight: 700; margin-bottom: 8px;
}
.hint-body { display: flex; flex-direction: column; gap: 8px; }
.hint-card {
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; padding: 10px 12px;
}
.hint-lv { font-size: 10px; color: var(--cyn); font-weight: 700; text-transform: uppercase; margin-bottom: 4px; }
.hint-tx { font-size: 13px; color: var(--txt); line-height: 1.5; }
.hint-btn { align-self: flex-start; }

.score-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.score-table th {
  text-align: left; color: var(--mut); font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; padding: 8px 10px; border-bottom: 1px solid var(--bdr);
}
.score-table td { padding: 10px; border-bottom: 1px solid var(--bdr); vertical-align: top; }
.score-table tr:hover td { background: rgba(239,68,68,.06); }
.score-table tr.done td { background: rgba(34,197,94,.05); }
.mb12 { margin-bottom: 12px; }

/* ── Tools catalog ─────────────────────────────────── */
.tools-page {
  display: block;
}
.tools-hero {
  padding: 32px 36px 28px !important;
}
.tools-hero h1 {
  margin-bottom: 20px !important;
  font-size: 34px !important;
}
.tools-hero-desc {
  margin: 0 0 16px !important;
  max-width: 82ch;
  font-size: 15px !important;
  line-height: 1.6 !important;
  color: var(--mut) !important;
}
.tools-search-wrap {
  width: 100%;
  margin-bottom: 12px;
}
.tools-search {
  display: block;
  width: 100%;
  box-sizing: border-box;
  background: var(--bg);
  border: 1px solid var(--bdr);
  border-radius: 10px;
  color: var(--txt);
  padding: 10px 14px;
  font: inherit;
  outline: none;
}
.tools-search:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, .15);
}
.tools-track-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tools-track-chips .chip { flex: 0 0 auto; width: auto; }
.tools-track-chips .chip.active {
  background: rgba(239, 68, 68, .14);
  border-color: rgba(239, 68, 68, .55);
  color: #fff;
  box-shadow: 0 0 12px rgba(239, 68, 68, .12);
}
.tools-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  min-width: 0;
}
.tools-group {
  width: 100%;
  min-width: 0;
  margin-bottom: 0 !important; /* gap via .tools-list */
}
.tools-group-head {
  cursor: pointer;
  user-select: none;
  width: 100%;
  box-sizing: border-box;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  flex-wrap: nowrap;
}
.tools-group-head:hover { background: rgba(239, 68, 68, .06); }
.tools-group-head:focus-visible { outline: 2px solid var(--red); outline-offset: -2px; }
.tools-group-titles {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tools-group-head h2 {
  flex: none !important;
  margin: 0 !important;
  font-size: 14px;
  font-weight: 650;
  color: var(--txt);
  line-height: 1.3;
}
.tools-group-sub {
  font-size: 11.5px;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tools-group-count {
  flex-shrink: 0;
  margin-left: auto;
}
.tools-chevron {
  font-family: var(--mono);
  color: var(--red);
  font-size: 14px;
  width: 1em;
  flex-shrink: 0;
  line-height: 1;
}
.tools-group.collapsed .tools-group-body { display: none; }
.tools-group.collapsed > .ch { border-bottom: none; }
.tools-group-body {
  min-width: 0;
}
.tools-group-single .tools-group-body { padding: 0; }
.tools-cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  align-items: start;
}
/* Category navigator and selected-category results */
.tools-cat {
  border: 1px solid var(--bdr);
  border-radius: 10px;
  margin-bottom: 0;
  background: rgba(0, 0, 0, .2);
  overflow: hidden;
}
.tools-cat:last-child { margin-bottom: 0; }
.tools-cat.selected { border-color: rgba(239, 68, 68, .55); }
.tools-cat-head {
  display: flex;
  align-items: center;
  min-height: 56px;
  box-sizing: border-box;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  background: rgba(0, 0, 0, .18);
}
.tools-cat-head:hover { background: rgba(239, 68, 68, .06); }
.tools-cat.selected .tools-cat-head { background: rgba(239, 68, 68, .1); }
.tools-cat-head:focus-visible { outline: 2px solid var(--red); outline-offset: -2px; }
.tools-cat-title {
  font-size: 13px;
  font-weight: 650;
  color: var(--txt);
  letter-spacing: .02em;
  flex: 1;
  min-width: 0;
}
.tools-cat-results {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--bdr);
  border-radius: 10px;
  background: rgba(0, 0, 0, .2);
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  min-width: 0;
}
.tool-card {
  background: var(--bg);
  border: 1px solid var(--bdr);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  min-width: 0;
  transition: border-color .12s, box-shadow .12s, transform .12s;
}
.tool-card:hover {
  border-color: rgba(239, 68, 68, .5);
  box-shadow: 0 0 16px rgba(239, 68, 68, .12);
  transform: translateY(-1px);
}
.tool-card:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.tool-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tool-name { font-size: 14px; color: var(--txt); }
.tool-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tool-desc {
  font-size: 12.5px;
  color: var(--mut);
  line-height: 1.45;
  flex: 1;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tool-detail { display: grid; gap: 12px; }
.tool-detail > * + * { margin-top: 0; }
.tool-detail-section {
  padding: 16px;
  border: 1px solid var(--bdr);
  border-left: 2px solid rgba(239, 68, 68, .55);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015));
}
.tool-detail h3 {
  margin: 0 0 12px;
  padding: 0 0 10px;
  border: 0;
  border-bottom: 1px solid var(--bdr);
  background: none;
  color: var(--grn);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}
.tool-detail p { margin: 0 0 10px; line-height: 1.55; color: var(--txt); }
.tool-detail-section p:last-child { margin-bottom: 0; }
.tool-detail ul { margin: 0 0 12px; padding-left: 18px; color: var(--txt); }
.tool-detail li { margin-bottom: 6px; line-height: 1.45; }
.tool-detail a,
.tool-detail code.inline { overflow-wrap: anywhere; word-break: break-word; }
.tool-detail .ebox code { white-space: pre-wrap; word-break: break-all; color: var(--cyn); font-size: 12.5px; }

.zd-intro-card .cb { padding-top: 14px; padding-bottom: 14px; }
.zd-intro-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--txt);
}
.zd-intro-text {
  font-size: 13px;
  line-height: 1.45;
  margin: 0;
  max-width: 62rem;
}

.zd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.zd-card {
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--bdr);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  color: var(--txt) !important;
  font-family: inherit;
  transition: border-color .12s, transform .12s;
  min-height: 88px;
}
.zd-card:hover { border-color: var(--red); transform: translateY(-1px); }
.zd-card.done { border-color: rgba(34,197,94,.5); box-shadow: 0 0 12px rgba(34,197,94,.12); }
.zd-cve { font-family: var(--mono); font-weight: 700; font-size: 12px; color: var(--red) !important; margin-bottom: 4px; }
.zd-prod { font-size: 12.5px; color: var(--txt) !important; line-height: 1.35; margin-bottom: 8px; min-height: 2.6em; }
.zd-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.zd-table-wrap {
  max-height: min(70vh, 720px);
  overflow: auto;
}
.zd-table { width: 100%; table-layout: auto; }
.zd-table th {
  white-space: nowrap;
  color: var(--mut) !important;
  position: sticky;
  top: 0;
  background: var(--sur);
  z-index: 1;
}
.zd-table td {
  color: var(--txt) !important;
  vertical-align: top;
  white-space: normal !important; /* override .rtab nowrap that hid multi-line */
  max-width: none;
}
.zd-table tr.zd-row { cursor: pointer; }
.zd-table tr.zd-row:focus-visible { outline: 2px solid var(--red); outline-offset: -2px; }
.zd-table tr.zd-row:hover td { background: rgba(239,68,68,.08); }
.zd-table tr.zd-row.done td { background: rgba(34,197,94,.05); }
.zd-table .zd-ext {
  font-size: .75em;
  opacity: .7;
  text-decoration: none;
  margin-left: 2px;
  color: var(--accent, #60a5fa);
}
.zd-table .zd-ext:hover { opacity: 1; text-decoration: underline; }
.zd-source-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.zd-source-list a {
  color: var(--accent, #60a5fa);
  text-decoration: none;
  font-size: .9em;
  word-break: break-all;
}
.zd-source-list a:hover { text-decoration: underline; }
.zd-sources .meta-label { margin-bottom: 2px; }
.zd-td-n { font-family: var(--mono); color: var(--mut) !important; width: 36px; }
.zd-td-cve { font-family: var(--mono); font-weight: 700; color: var(--red) !important; white-space: nowrap !important; }

/* Compact hub header so catalog is above the fold */
.hub-compact {
  padding: 30px 36px 26px !important;
}
.hub-compact h1 { font-size: 34px !important; margin-bottom: 20px !important; }
.hub-compact .stat-grid { margin-top: 10px !important; }
.hub-compact .stat { padding: 8px 10px !important; }
.hub-compact .stat .n { font-size: 18px !important; }
.hub-intro-short {
  font-size: 13px;
  color: var(--mut);
  line-height: 1.5;
  margin: 0 0 8px;
  max-width: 720px;
}
.hub-intro-full {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--bdr);
}
.hub-intro-full.hidden { display: none !important; }
.zd-steps { display: flex; flex-direction: column; gap: 8px; }
.zd-step {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 8px 10px; background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; font-size: 12.5px; cursor: pointer;
}
.zd-step:hover { border-color: var(--grn); }
.zd-step input { margin-top: 3px; }

.check-row {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 8px 10px; margin-bottom: 6px;
  background: var(--bg); border: 1px solid var(--bdr);
  border-radius: 8px; font-size: 13px; cursor: pointer;
  line-height: 1.4;
}
.check-row:hover { border-color: #444; }
.check-row input { margin-top: 3px; flex-shrink: 0; }
.cmd-flags { display: flex; flex-direction: column; gap: 4px; }
#cmd-out { font-family: var(--mono); font-size: 13px; color: var(--grn); }

/* Zero-day knowledge article reader */
.zd-article .theory {
  max-width: 100%; /* was 780px fixed — same overflow fight as main theory */
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.75;
}
.zd-article .theory h3 {
  margin-top: 22px;
}
.zd-article .theory p {
  margin-bottom: 12px;
  color: var(--txt);
}
.zd-article .theory li {
  margin-bottom: 6px;
  line-height: 1.55;
}
.zd-article .ebox.info {
  font-family: var(--sans);
  font-size: 14px;
  color: #fecaca;
  white-space: normal;
  line-height: 1.55;
}

/* ── Theme polish: selection / scrollbars ─────────── */
::selection { background: rgba(239,68,68,.35); color: #fff; }
* {
  scrollbar-width: thin;
  scrollbar-color: #3f3f3f #0a0a0a;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: #0a0a0a; }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #7f1d1d, #14532d);
  border-radius: 8px;
  border: 2px solid #0a0a0a;
}
*::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #ef4444, #22c55e); }

#term {
  border-top-color: #1f1f1f !important;
  box-shadow: 0 -8px 30px rgba(0,0,0,.55), 0 -1px 0 rgba(239,68,68,.15);
}
#term .tbar { background: #0a0a0a; }
.ttab.active {
  background: rgba(239,68,68,.12) !important;
  color: #fecaca !important;
}
#tsql:focus { outline: none; box-shadow: inset 0 0 0 1px rgba(34,197,94,.25); }

/* ── Global spinner ───────────────────────────────────────── */
@keyframes root-spin { to { transform: rotate(360deg); } }
@keyframes cve-blink { 0%,49% { opacity:1; } 50%,100% { opacity:0; } }
.root-spinner {
  width: 48px; height: 48px; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, #f87171 120deg, #dc2626 200deg, transparent 360deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff calc(100% - 4px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff calc(100% - 4px));
  animation: root-spin 1.2s linear infinite;
}
.root-spin-wrap {
  display: flex; align-items: center; justify-content: center; padding: 60px;
}

@media (prefers-reduced-motion: reduce) {
  .root-spinner { animation-duration: 3s; }
  #cve9-imp-pct { animation-duration: 1.8s !important; }
}

:root {
  --motion-fast: 120ms;
  --motion-base: 180ms;
  --motion-slow: 240ms;
  --ease-ui: cubic-bezier(.2, .8, .2, 1);
}
@keyframes page-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
#main > .page-in { animation: page-enter var(--motion-slow) var(--ease-ui); }
.ni {
  transition:
    background var(--motion-fast) var(--ease-ui),
    color var(--motion-fast) var(--ease-ui),
    border-color var(--motion-fast) var(--ease-ui),
    box-shadow var(--motion-base) var(--ease-ui);
}
.ni .nd {
  transition:
    background var(--motion-base) var(--ease-ui),
    border-color var(--motion-base) var(--ease-ui),
    box-shadow var(--motion-base) var(--ease-ui);
}
.top10-card,
.owasp-project-card,
.framework-flow button,
.btn,
.owasp-tab,
.tab,
.chip {
  transition:
    background-color var(--motion-fast) var(--ease-ui),
    background-image var(--motion-fast) var(--ease-ui),
    border-color var(--motion-fast) var(--ease-ui),
    color var(--motion-fast) var(--ease-ui),
    transform var(--motion-fast) var(--ease-ui);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}