/* Actionbox Blog — standalone stylesheet (no build coupling). */
:root {
  --coral: #FF5959;
  --coral-strong: #FF7878;
  --coral-soft: rgba(255, 89, 89, 0.15);
  --mint: #34D399;
  --ink: #F3F4F6;
  --muted: #9CA3AF;
  --faint: #6B7280;
  --line: #2D313A;
  --canvas: #121316;
  --surface: #1A1C22;
  --surface-2: #23262F;
  --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Fraunces, Georgia, serif;
  --font-mono: "DM Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-width: 0;
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 83% 5%, rgba(255, 89, 89, 0.08) 0, transparent 27%),
    var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

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

/* ------------------------------------------------------------------ nav */
.blog-nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(18, 19, 22, 0.92);
  backdrop-filter: blur(10px);
}
.blog-nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.blog-brand:hover { text-decoration: none; }
.blog-brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--coral), var(--mint));
}
.blog-brand-blog {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
}
.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}
.blog-nav-links a { color: var(--muted); }
.blog-nav-links a:hover { color: var(--ink); text-decoration: none; }
.blog-nav-links a:last-child {
  color: var(--ink);
  background: var(--coral);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
}
.blog-nav-links a:last-child:hover { background: var(--coral-strong); }

/* -------------------------------------------------------------- layout */
.blog-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px 90px;
  min-height: 60vh;
}

.blog-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--coral);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 700;
}
.blog-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px var(--coral-soft);
}

.blog-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.02;
  margin: 0 0 18px;
}

.blog-hero-desc {
  max-width: 700px;
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.blog-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; }

/* ------------------------------------------------------------- search */
.blog-search {
  position: relative;
  max-width: 640px;
  margin-bottom: 22px;
}
.blog-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faint);
  pointer-events: none;
}
#blog-search-input {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font-size: 15px;
  outline: none;
  transition: border-color 0.18s ease;
}
#blog-search-input:focus { border-color: rgba(255, 89, 89, 0.55); }
#blog-search-input::placeholder { color: var(--faint); }

.blog-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.blog-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: 0.16s ease;
}
.blog-chip:hover {
  border-color: #3F4450;
  color: var(--ink);
  text-decoration: none;
}
.blog-chip.is-active {
  border-color: var(--coral);
  color: var(--ink);
  background: var(--coral-soft);
}
.blog-chip-count { font-size: 11px; color: var(--faint); }

/* ------------------------------------------------------------ listing */
.blog-listing { margin-top: 44px; }
.blog-listing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.blog-listing-title { margin: 0; font-size: 15px; font-weight: 700; letter-spacing: 0.02em; }
#blog-category-select {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  outline: none;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 18px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.blog-card:hover { border-color: #3F4450; transform: translateY(-2px); }
.blog-card-main { display: block; padding: 0 20px; color: inherit; }
.blog-card-main:hover { text-decoration: none; }
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 20px 20px 0;
  margin-bottom: 10px;
  font-size: 12px;
}
.blog-card-role { color: var(--mint); font-weight: 700; }
.blog-card-role:hover { color: var(--mint); text-decoration: underline; }
.blog-card-sep { color: var(--faint); }
.blog-card-date { color: var(--faint); }
.blog-card-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}
.blog-card-desc {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.blog-card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding: 0 20px 20px;
  font-size: 12px;
}
.blog-card-tag {
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
}
.blog-card-tag:hover { color: var(--ink); text-decoration: none; }
.blog-card-read { margin-left: auto; color: var(--faint); }

.blog-empty { margin: 30px 0; color: var(--muted); }

/* -------------------------------------------------------------- post */
.blog-post { max-width: 760px; }
.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--faint);
  margin-bottom: 34px;
}
.blog-breadcrumb a { color: var(--faint); }
.blog-breadcrumb a:hover { color: var(--ink); }

.blog-post-head { margin-bottom: 40px; }
.blog-post-role {
  color: var(--mint);
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}
.blog-post-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 46px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin: 0 0 16px;
}
.blog-post-desc { color: var(--muted); font-size: 17px; line-height: 1.65; margin: 0 0 20px; }
.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--faint);
}
.blog-post-author { color: var(--ink); font-weight: 700; }
.blog-post-category { color: var(--muted); }

.blog-post-body { font-size: 16.5px; line-height: 1.75; }
.blog-post-body h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 44px 0 14px;
  scroll-margin-top: 84px;
}
.blog-post-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 34px 0 12px;
}
.blog-post-body h4 { font-size: 16px; font-weight: 700; margin: 26px 0 10px; }
.blog-post-body p { margin: 0 0 18px; color: #D6D9E0; }
.blog-post-body strong { color: var(--ink); }
.blog-post-body a { color: var(--coral-strong); text-decoration: underline; text-underline-offset: 3px; }
.blog-post-body ul, .blog-post-body ol { margin: 0 0 18px; padding-left: 24px; color: #D6D9E0; }
.blog-post-body li { margin-bottom: 8px; }
.blog-post-body li::marker { color: var(--coral); }
.blog-post-body blockquote {
  margin: 0 0 22px;
  padding: 16px 20px;
  border-left: 3px solid var(--coral);
  background: var(--coral-soft);
  border-radius: 0 10px 10px 0;
}
.blog-post-body blockquote p { margin: 0; color: var(--muted); font-size: 15px; }
.blog-post-body hr { border: none; border-top: 1px solid var(--line); margin: 38px 0; }

/* code blocks */
.blog-code {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0E0F13;
}
.blog-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.blog-code-lang {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mint);
}
.blog-copy {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.16s ease;
}
.blog-copy:hover { color: var(--ink); border-color: #3F4450; }
.blog-copy.is-copied { color: var(--mint); border-color: rgba(52, 211, 153, 0.5); }
.blog-code pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
}
.blog-code code { font-family: inherit; background: none; padding: 0; }
.hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-doctag { color: var(--coral-strong); }
.hljs-string, .hljs-regexp, .hljs-addition { color: var(--mint); }
.hljs-number, .hljs-symbol, .hljs-bullet, .hljs-link { color: var(--amber, #FB923C); }
.hljs-comment, .hljs-quote { color: var(--faint); font-style: italic; }
.hljs-title, .hljs-title.function_, .hljs-title.class_ { color: #93C5FD; }
.hljs-attr, .hljs-property, .hljs-variable, .hljs-template-variable { color: #C7D2FE; }
.hljs-built_in, .hljs-type, .hljs-class { color: #FBBF24; }
.hljs-operator, .hljs-punctuation, .hljs-meta { color: var(--muted); }

.blog-post-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--mint);
}
.blog-post-body .blog-code code {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  color: inherit;
}

/* tables */
.blog-table { margin: 0 0 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.blog-table table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.blog-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--line);
}
.blog-table td { padding: 11px 16px; border-bottom: 1px solid var(--line); color: #D6D9E0; }
.blog-table tr:last-child td { border-bottom: none; }
.blog-table td strong { color: var(--ink); }

/* --------------------------------------------------------------- CTA */
.blog-cta {
  margin: 46px 0 0;
  padding: 28px 30px;
  border: 1px solid rgba(255, 89, 89, 0.3);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 89, 89, 0.12), rgba(52, 211, 153, 0.06));
}
.blog-cta-title { margin: 0 0 8px; font-family: var(--font-serif); font-size: 22px; letter-spacing: -0.02em; }
.blog-cta-desc { margin: 0 0 20px; color: var(--muted); font-size: 14.5px; line-height: 1.6; }
.blog-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--coral);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  transition: 0.16s ease;
}
.blog-cta-btn:hover { background: var(--coral-strong); text-decoration: none; }
.blog-cta-btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.blog-cta-btn.ghost:hover { border-color: #3F4450; }

/* ----------------------------------------------------------- post foot */
.blog-post-foot { margin-top: 44px; }
.blog-post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.blog-post-tag { color: var(--faint); font-size: 13px; }
.blog-post-tag:hover { color: var(--ink); }

.blog-author-box {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.blog-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--coral), var(--mint));
  font-weight: 800;
  color: var(--canvas);
}
.blog-author-name { display: block; font-size: 15px; }
.blog-author-role { margin: 2px 0 0; color: var(--faint); font-size: 13px; }

/* ---------------------------------------------------------- related */
.blog-related { margin-top: 60px; padding-top: 36px; border-top: 1px solid var(--line); }
.blog-related-title { margin: 0 0 22px; font-family: var(--font-serif); font-size: 24px; letter-spacing: -0.02em; }

/* ----------------------------------------------------------- footer */
.blog-footer {
  border-top: 1px solid var(--line);
  padding: 44px 24px 56px;
  background: rgba(0, 0, 0, 0.18);
}
.blog-footer-inner { max-width: 1080px; margin: 0 auto; }
.blog-footer-tagline { color: var(--faint); font-size: 14px; margin: 10px 0 22px; max-width: 460px; }
.blog-footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.blog-footer-links a { color: var(--muted); }
.blog-footer-links a:hover { color: var(--ink); text-decoration: none; }

/* --------------------------------------------------------- responsive */
@media (max-width: 720px) {
  .blog-shell { padding: 36px 18px 70px; }
  .blog-nav-inner { padding: 0 18px; }
  .blog-nav-links { gap: 14px; }
  .blog-nav-links a:last-child { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-post-body { font-size: 16px; }
}