* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', Consolas, monospace;
  background: #0d1117;
  color: #c9d1d9;
  line-height: 1.7;
  font-size: 15px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Navbar */
.navbar {
  background: rgba(13,17,23,0.95);
  border-bottom: 1px solid #21262d;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 60px;
}
.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #58a6ff !important;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
}
.logo span { color: #f78166; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}
.nav-links a {
  color: #8b949e;
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: #c9d1d9;
  background: #21262d;
}
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: #8b949e; }

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  background: radial-gradient(ellipse at top, #161b22 0%, #0d1117 70%);
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #f0f6fc;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.hero h1 span { color: #58a6ff; }
.hero p { font-size: 1.15rem; color: #8b949e; max-width: 600px; margin: 0 auto 2rem; }
.hero .tagline { color: #7ee787; font-size: 1.05rem; margin-bottom: 2rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary {
  background: #238636;
  color: #fff;
}
.btn-primary:hover { background: #2ea043; color: #fff; }
.btn-secondary {
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
}
.btn-secondary:hover { background: #30363d; color: #fff; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 2rem 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* Cards */
.card {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s;
}
.card:hover {
  border-color: #30363d;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.card h3 {
  font-size: 1rem;
  color: #c9d1d9;
  margin-bottom: 0.5rem;
}
.card p { color: #8b949e; font-size: 0.88rem; margin-bottom: 1rem; }
.card .tag {
  display: inline-block;
  background: #1f6feb1a;
  color: #58a6ff;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}
.card-btn {
  display: inline-block;
  color: #58a6ff;
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 600;
}
.card-btn:hover { color: #79c0ff; }

/* Tool page */
.tool-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.tool-header {
  padding: 2rem 0;
  border-bottom: 1px solid #21262d;
  margin-bottom: 2rem;
}
.tool-header h1 {
  font-size: 1.8rem;
  color: #f0f6fc;
  margin-bottom: 0.5rem;
}
.tool-header p { color: #8b949e; font-size: 1rem; }

/* Forms */
.tool-form {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 600;
  color: #c9d1d9;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #c9d1d9;
  font-family: inherit;
  font-size: 0.9rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #388bfd;
  box-shadow: 0 0 0 3px rgba(56,139,253,0.15);
}
.output-area {
  background: #0d1117;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1.25rem;
  display: none;
}
.output-area pre {
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.88rem;
  line-height: 1.6;
}
.output-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #21262d;
}

/* Article */
.article-body { max-width: 760px; margin: 0 auto; }
.article-body h2 {
  color: #f0f6fc;
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #21262d;
}
.article-body h3 { color: #c9d1d9; font-size: 1.2rem; margin: 2rem 0 0.75rem; }
.article-body p { margin-bottom: 1.25rem; color: #c9d1d9; font-size: 0.95rem; }
.article-body ul, .article-body ol {
  margin: 1rem 0 1.25rem 1.5rem;
  color: #c9d1d9;
}
.article-body li { margin-bottom: 0.5rem; font-size: 0.95rem; }
.article-body a { color: #58a6ff; text-decoration: none; }
.article-body a:hover { color: #79c0ff; }
.article-body img {
  width: 100%;
  border-radius: 8px;
  margin: 1.5rem 0;
  border: 1px solid #21262d;
}
.article-body blockquote {
  border-left: 3px solid #58a6ff;
  padding: 0.75rem 1.25rem;
  background: #161b22;
  border-radius: 0 6px 6px 0;
  margin: 1.5rem 0;
  color: #8b949e;
  font-style: italic;
}
.article-body code {
  background: #161b22;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: #79c0ff;
  border: 1px solid #21262d;
}
.article-body pre {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: #c9d1d9;
  font-size: 0.85rem;
}
.article-meta { color: #8b949e; font-size: 0.85rem; margin-bottom: 1.5rem; }

/* Section headers */
.section-title {
  font-size: 1.8rem;
  color: #f0f6fc;
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.section-desc { color: #8b949e; margin-bottom: 2rem; }

/* Related tools */
.related {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2.5rem;
}
.related h3 { color: #c9d1d9; margin-bottom: 1rem; font-size: 1rem; }
.related ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.related li a {
  background: #21262d;
  color: #58a6ff;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.82rem;
  text-decoration: none;
  border: 1px solid #30363d;
}
.related li a:hover { background: #30363d; color: #79c0ff; }

/* Footer */
.footer {
  background: #161b22;
  border-top: 1px solid #21262d;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem;
}
.footer h4 { color: #f0f6fc; margin-bottom: 0.75rem; font-size: 0.95rem; }
.footer p { color: #8b949e; font-size: 0.85rem; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.4rem; }
.footer a { color: #58a6ff; text-decoration: none; font-size: 0.88rem; }
.footer a:hover { color: #79c0ff; }
.footer-bottom {
  text-align: center;
  padding: 1.5rem 1.5rem 0;
  color: #484f58;
  font-size: 0.82rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid #21262d;
  margin-top: 2rem;
}

/* Page content */
.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.page-content h1 {
  font-size: 2rem;
  color: #f0f6fc;
  margin-bottom: 1.5rem;
  font-weight: 700;
}
.page-content h2 {
  color: #f0f6fc;
  font-size: 1.4rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #21262d;
}
.page-content h3 { color: #c9d1d9; font-size: 1.1rem; margin: 1.5rem 0 0.75rem; }
.page-content p { margin-bottom: 1.1rem; color: #c9d1d9; font-size: 0.95rem; }
.page-content ul, .page-content ol { margin: 1rem 0 1.25rem 1.5rem; color: #c9d1d9; }
.page-content li { margin-bottom: 0.5rem; font-size: 0.95rem; }
.page-content a { color: #58a6ff; }
.page-content a:hover { color: #79c0ff; }
.page-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.page-content th, .page-content td {
  padding: 0.75rem;
  border: 1px solid #21262d;
  text-align: left;
  font-size: 0.88rem;
}
.page-content th { background: #161b22; color: #f0f6fc; }
.page-content td { color: #c9d1d9; }

/* Breadcrumb */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  font-size: 0.82rem;
  color: #8b949e;
}
.breadcrumb a { color: #58a6ff; text-decoration: none; }

/* Ads */
ins.adsbygoogle { display: block !important; margin: 1.5rem auto; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #161b22; border-bottom: 1px solid #21262d; padding: 1rem; }
  .nav-links.active { display: flex; }
  .nav-toggle { display: block; }
  .grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .section-title { font-size: 1.4rem; }
}

/* Stats bar */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  border-bottom: 1px solid #21262d;
  margin-bottom: 2rem;
}
.stat { text-align: center; }
.stat .num { font-size: 2rem; font-weight: 700; color: #58a6ff; }
.stat .label { font-size: 0.82rem; color: #8b949e; }

/* CTA */
.cta-section {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 3rem;
  text-align: center;
  margin: 3rem 0;
}
.cta-section h2 { color: #f0f6fc; font-size: 1.6rem; margin-bottom: 1rem; }
.cta-section p { color: #8b949e; margin-bottom: 1.5rem; }