:root {
  --nf-ink: #0a0a0a;
  --nf-muted: #5c5c5c;
  --nf-surface: #ffffff;
  --nf-line: rgba(10, 10, 10, 0.12);
  --nf-line-strong: rgba(10, 10, 10, 0.18);
  --nf-accent: #ff2d1a;
  --nf-accent-soft: rgba(255, 45, 26, 0.08);
  --nf-accent-deep: #d92212;
  --nf-warn: #8a6a00;
  --nf-warn-soft: #fff6d9;
  --nf-fail: #c41e0e;
  --nf-fail-soft: #ffe8e5;
  --nf-pass: #0f7a4f;
  --nf-pass-soft: #e5f6ee;
  --nf-white: #ffffff;
  --nf-shadow: none;
  --nf-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.nf-tool-wrap {
  font-family: "Source Sans 3", system-ui, sans-serif;
  color: var(--nf-ink);
}

.nf-tool-wrap .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.2rem;
  border-radius: 0.35rem;
  font-weight: 600;
  font-size: 0.94rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  background: var(--nf-ink);
  color: #fff;
  transition: background 0.2s var(--nf-ease), transform 0.2s var(--nf-ease);
}

.nf-tool-wrap .btn:hover {
  background: var(--nf-accent);
  transform: translateY(-1px);
}

.nf-tool-wrap .btn-primary {
  background: var(--nf-accent);
}

.nf-tool-wrap .btn-primary:hover {
  background: var(--nf-accent-deep);
}

.nf-tool-wrap .btn[disabled] {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}

.nf-tool-wrap .eyebrow {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nf-accent);
  margin-bottom: 0.7rem;
}

.nf-tool-wrap .audit-form {
  display: grid;
  gap: 0.85rem;
  background: var(--nf-surface);
  border: 1px solid var(--nf-line);
  border-radius: 0.5rem;
  padding: 1.35rem;
  margin-bottom: 1.75rem;
}

.nf-tool-wrap .audit-label {
  font-weight: 600;
  font-size: 0.9rem;
}

.nf-tool-wrap .audit-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
}

.nf-tool-wrap .audit-input-row input {
  width: 100%;
  border: 1px solid var(--nf-line-strong);
  background: #fff;
  border-radius: 0.35rem;
  padding: 0.85rem 0.95rem;
  color: var(--nf-ink);
  font: inherit;
}

.nf-tool-wrap .audit-input-row input:focus {
  outline: none;
  border-color: var(--nf-ink);
}

.nf-tool-wrap .audit-hint {
  margin: 0;
  color: var(--nf-muted);
  font-size: 0.88rem;
}

.nf-tool-wrap .audit-error {
  margin: 0;
  color: var(--nf-fail);
  background: var(--nf-fail-soft);
  border: 1px solid rgba(196, 30, 14, 0.15);
  border-radius: 0.35rem;
  padding: 0.75rem 0.9rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.nf-tool-wrap .audit-results {
  margin-bottom: 1.75rem;
}

.nf-tool-wrap .audit-scoreboard {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--nf-surface);
  border: 1px solid var(--nf-line);
  border-radius: 0.5rem;
  padding: 1.35rem;
  margin-bottom: 1rem;
}

.nf-tool-wrap .audit-score-ring {
  width: 6.5rem;
  height: 6.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, #fff 58%, transparent 59%),
    conic-gradient(var(--nf-accent) calc(var(--score, 0) * 1%), #ececec 0);
  position: relative;
}

.nf-tool-wrap .audit-score-ring strong {
  font-family: "Sora", sans-serif;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: -0.03em;
}

.nf-tool-wrap .audit-score-ring span {
  position: absolute;
  bottom: 1.15rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--nf-muted);
}

.nf-tool-wrap .audit-score-copy h2 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  font-weight: 700;
  max-width: 34ch;
}

.nf-tool-wrap .audit-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  color: var(--nf-muted);
  font-size: 0.9rem;
}

.nf-tool-wrap .audit-meta-list strong {
  color: var(--nf-ink);
}

.nf-tool-wrap .audit-categories {
  display: grid;
  gap: 0.85rem;
}

.nf-tool-wrap .audit-category {
  background: var(--nf-surface);
  border: 1px solid var(--nf-line);
  border-radius: 0.5rem;
  padding: 1rem 1.1rem 0.35rem;
}

.nf-tool-wrap .audit-category h3 {
  margin: 0 0 0.7rem;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nf-accent);
}

.nf-tool-wrap .audit-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--nf-line);
}

.nf-tool-wrap .audit-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.4rem;
  height: 1.5rem;
  border-radius: 0.25rem;
  border: none;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.nf-tool-wrap .audit-status.is-pass {
  color: var(--nf-pass);
  background: var(--nf-pass-soft);
}

.nf-tool-wrap .audit-status.is-warn {
  color: var(--nf-warn);
  background: var(--nf-warn-soft);
}

.nf-tool-wrap .audit-status.is-fail {
  color: var(--nf-fail);
  background: var(--nf-fail-soft);
}

.nf-tool-wrap .audit-check h4 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.nf-tool-wrap .audit-check p {
  margin: 0;
  color: var(--nf-muted);
  font-size: 0.92rem;
}

.nf-tool-wrap .audit-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1.4rem;
  border: none;
  border-radius: 0.5rem;
  background: var(--nf-ink);
  color: #fff;
}

.nf-tool-wrap .audit-cta h3 {
  margin: 0 0 0.3rem;
  font-size: 1.3rem;
  font-weight: 700;
  font-family: "Sora", sans-serif;
  color: #fff;
  letter-spacing: -0.03em;
}

.nf-tool-wrap .audit-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  max-width: 42ch;
}

.nf-tool-wrap .audit-cta .btn-primary {
  background: var(--nf-accent);
  color: #fff;
  flex-shrink: 0;
}

.nf-tool-wrap .audit-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--nf-line);
}

.nf-tool-wrap .audit-features article {
  padding: 1.25rem 1.25rem 1.25rem 0;
  border-right: 1px solid var(--nf-line);
}

.nf-tool-wrap .audit-features article:last-child {
  border-right: 0;
  padding-right: 0;
}

.nf-tool-wrap .audit-features h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: "Sora", sans-serif;
  letter-spacing: -0.03em;
}

.nf-tool-wrap .audit-features p {
  margin: 0;
  color: var(--nf-muted);
  font-size: 0.94rem;
}

.nf-tool-wrap .stack-groups,
.nf-tool-wrap .extract-panel {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.nf-tool-wrap .stack-group,
.nf-tool-wrap .extract-block {
  background: var(--nf-surface);
  border: 1px solid var(--nf-line);
  border-radius: 0.5rem;
  padding: 1.1rem 1.15rem;
}

.nf-tool-wrap .stack-group h3,
.nf-tool-wrap .extract-block h3 {
  margin: 0 0 0.6rem;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nf-accent);
}

.nf-tool-wrap .extract-block p {
  margin: 0;
  color: var(--nf-ink);
}

.nf-tool-wrap .stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.nf-tool-wrap .stack-tag {
  display: inline-flex;
  padding: 0.3rem 0.55rem;
  border-radius: 0.25rem;
  border: 1px solid var(--nf-line);
  background: transparent;
  color: var(--nf-ink);
  font-size: 0.84rem;
  font-weight: 600;
}

@media (max-width: 900px) {
  .nf-tool-wrap .audit-scoreboard,
  .nf-tool-wrap .audit-features,
  .nf-tool-wrap .audit-cta,
  .nf-tool-wrap .audit-input-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .nf-tool-wrap .audit-features article {
    border-right: 0;
    border-bottom: 1px solid var(--nf-line);
    padding: 1.1rem 0;
  }
}