:root {
  --bg: #0b1020;
  --bg-soft: #121b34;
  --card: rgba(255, 255, 255, 0.05);
  --card-strong: rgba(17, 26, 51, 0.92);
  --text: #edf3ff;
  --muted: #a2b2d6;
  --accent: #72b6ff;
  --accent-strong: #3f86ff;
  --good: #35d48a;
  --bad: #ff6c8b;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
  --radius: 18px;
  --content-width: 1120px;
  --reading-width: 900px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(1000px 500px at 10% 0%, rgba(70, 120, 255, 0.26), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(38, 197, 142, 0.14), transparent 55%),
    linear-gradient(180deg, #09101f 0%, #0b1020 55%, #0f1630 100%);
  color: var(--text);
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
.button-link,
.file-button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

button:hover,
button:focus-visible,
.button-link:hover,
.button-link:focus-visible,
.file-button:hover,
.file-button:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  text-decoration: none;
  transform: translateY(-1px);
}

button.primary,
.button-link.primary {
  background: linear-gradient(180deg, rgba(114, 182, 255, 0.28), rgba(63, 134, 255, 0.16));
  border-color: rgba(114, 182, 255, 0.45);
}

button.secondary,
.button-link.secondary {
  background: rgba(255, 255, 255, 0.06);
}

button.danger {
  background: rgba(255, 108, 139, 0.12);
  border-color: rgba(255, 108, 139, 0.4);
}

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

textarea,
select {
  color: var(--text);
}

textarea {
  width: 100%;
  min-height: 360px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.12);
  outline: none;
  padding: 14px;
  border-radius: 16px;
  background: rgba(5, 9, 20, 0.74);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.5;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(114, 182, 255, 0.75);
  outline-offset: 2px;
}

code,
pre,
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

pre {
  margin: 0;
  padding: 14px;
  overflow: auto;
  border-radius: 16px;
  background: rgba(5, 9, 20, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
}

header.site-header,
main.site-main,
footer.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

header.site-header {
  padding-top: 28px;
  padding-bottom: 10px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumbs span[aria-hidden="true"] {
  opacity: 0.55;
}

.hero {
  display: grid;
  gap: 14px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 75ch;
}

.updated-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 13px;
  width: fit-content;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.11);
}

main.site-main {
  display: grid;
  gap: 18px;
  padding-top: 8px;
  padding-bottom: 56px;
}

.card,
.panel,
.content-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.tool-shell {
  overflow: hidden;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.spacer {
  flex: 1 1 auto;
}

.status {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 700;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

.status.good {
  color: var(--good);
}

.status.bad {
  color: var(--bad);
}

.tool-body {
  padding: 14px;
}

.tool-grid {
  display: grid;
  gap: 14px;
}

.tool-grid.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tool-label {
  display: block;
  margin: 0 0 6px 2px;
  color: var(--muted);
  font-size: 13px;
}

.footer-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
  padding: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 13px;
}

.hint-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.section-grid {
  display: grid;
  gap: 18px;
}

.section-grid.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-card {
  padding: 22px;
}

.content-card h2,
.content-card h3 {
  margin-top: 0;
}

.content-card h2 {
  margin-bottom: 10px;
  font-size: 1.45rem;
}

.content-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.7;
}

.content-card ul,
.content-card ol {
  margin: 0;
  padding-left: 20px;
}

.content-card > * + * {
  margin-top: 14px;
}

.tool-intro {
  display: grid;
  gap: 14px;
}

.cluster-cards,
.related-tools,
.tool-links,
.home-tool-grid,
.blog-grid {
  display: grid;
  gap: 14px;
}

.home-tool-grid,
.related-tools {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.blog-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.link-card,
.tool-card,
.blog-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 10, 22, 0.5);
}

.link-card h3,
.tool-card h3,
.blog-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.link-card p,
.tool-card p,
.blog-card p,
.blog-meta,
.small-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
  color: var(--text);
}

.before-after {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.before-after article {
  display: grid;
  gap: 10px;
}

.before-after h3 {
  margin: 0;
}

.note {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(114, 182, 255, 0.2);
  background: rgba(114, 182, 255, 0.08);
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.faq-list details p {
  margin: 10px 0 0;
}

.article-layout {
  max-width: var(--reading-width);
}

.article-layout article {
  line-height: 1.8;
}

.article-layout article h2,
.article-layout article h3 {
  margin: 24px 0 12px;
  color: var(--text);
}

.article-layout article p,
.article-layout article li {
  color: var(--muted);
}

.article-layout article ul,
.article-layout article ol {
  padding-left: 20px;
}

.article-layout article > *:first-child {
  margin-top: 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table th,
.comparison-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  vertical-align: top;
}

.comparison-table th {
  color: var(--text);
}

footer.site-footer {
  padding-top: 0;
  padding-bottom: 36px;
  color: var(--muted);
  font-size: 13px;
}

.footer-card {
  padding: 18px 20px;
}

@media (max-width: 920px) {
  .tool-grid.two-column,
  .section-grid.two-column,
  .before-after {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  header.site-header {
    padding-top: 22px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .toolbar {
    padding: 12px;
  }

  .tool-body,
  .content-card {
    padding: 16px;
  }

  textarea {
    min-height: 300px;
  }
}