/* =========================================================
   Ainity blog — стиль наследует CRM (light by default + dark toggle)
   Токены 1:1 с frontend/app/globals.css в ainity-crm.
   ========================================================= */

:root {
  --c-bg: #FAFAF7;
  --c-bg-alt: #F3F2EC;
  --c-card: #FFFFFF;
  --c-ink: #1A1A19;
  --c-muted: #6B6A62;
  --c-line: #E4E2D8;
  --c-accent: #D97706;
  --c-success: #059669;
  --c-warn: #EAB308;
  --c-danger: #DC2626;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
  --max-w-narrow: 720px;
  --max-w-wide: 1100px;
  --pad-x: 24px;
}

[data-theme="dark"] {
  --c-bg: #17160F;
  --c-bg-alt: #22211A;
  --c-card: #1E1D16;
  --c-ink: #F4F2EA;
  --c-muted: #9A9890;
  --c-line: #34322B;
  --c-accent: #F59E0B;
  --c-success: #34D399;
  --c-warn: #FDE047;
  --c-danger: #F87171;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
* { box-sizing: border-box; }

body {
  margin: 0;
  background-color: var(--c-bg);
  color: var(--c-ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-feature-settings: "cv11", "ss01", "cv02";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color 120ms;
}
a:hover { color: var(--c-ink); }

/* Visible focus (CRM-consistent) */
*:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* =========================================================
   Buttons (CRM-style: ink-on-bg primary, ghost secondary)
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  background-color: var(--c-ink);
  color: var(--c-bg);
  border: 0;
  cursor: pointer;
  transition: opacity 120ms;
}
.btn:hover { opacity: 0.9; color: var(--c-bg); }

.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border: 1px solid var(--c-line);
}
.btn-ghost:hover { background-color: var(--c-bg-alt); color: var(--c-ink); }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}
.site-header-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 12px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.logo:hover { color: var(--c-ink); }
.logo-mark {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--c-accent), #C67D1B);
  display: grid; place-items: center;
  font-family: "Source Serif 4", "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
  color: #FFFFFF;
  font-size: 15px;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}
.site-nav a {
  color: var(--c-muted);
  font-weight: 500;
}
.site-nav a:hover { color: var(--c-ink); }
.site-nav .back-link { font-size: 13px; }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 6px;
  color: var(--c-muted);
  cursor: pointer;
  transition: color 120ms, background-color 120ms, border-color 120ms;
}
.theme-toggle:hover { color: var(--c-ink); background: var(--c-bg-alt); border-color: var(--c-ink); }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* =========================================================
   Layout
   ========================================================= */
.site-main {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 56px var(--pad-x) 80px;
}

/* =========================================================
   Blog hero (главная блога / тег)
   ========================================================= */
.blog-hero { margin-bottom: 48px; }
.blog-hero h1 {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(30px, 4.5vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--c-ink);
}
.blog-hero-desc {
  color: var(--c-muted);
  font-size: 17px;
  line-height: 1.55;
  margin: 0;
  max-width: 600px;
}

/* =========================================================
   Post list (cards в стиле CRM .card)
   ========================================================= */
.post-list { display: flex; flex-direction: column; gap: 16px; }

.post-card {
  background-color: var(--c-card);
  border-radius: 14px;
  box-shadow: var(--shadow-card), 0 0 0 1px var(--c-line);
  transition: transform 200ms, box-shadow 200ms;
}
.post-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06), 0 0 0 1px var(--c-ink);
}
[data-theme="dark"] .post-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--c-ink);
}

.post-card-link {
  display: block;
  padding: 24px;
  color: var(--c-ink);
}
.post-card-link:hover { color: var(--c-ink); }

.post-card-meta {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 10px;
  font-feature-settings: "tnum";
}
.post-card-time { margin-left: 4px; }

.post-card-title {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--c-ink);
}
.post-card-desc {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 14px;
}
.post-card-arrow {
  color: var(--c-accent);
  font-size: 14px;
  font-weight: 500;
}

.post-list-empty {
  color: var(--c-muted);
  text-align: center;
  padding: 48px 0;
}

/* =========================================================
   Post page
   ========================================================= */
.breadcrumbs {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 24px;
}
.breadcrumbs a { color: var(--c-muted); }
.breadcrumbs a:hover { color: var(--c-ink); }
.breadcrumbs span { color: var(--c-ink); }

.post-header { margin-bottom: 32px; }
.post-header h1 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--c-ink);
}
.post-meta {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0 0 18px;
  font-feature-settings: "tnum";
}
.post-author { color: var(--c-ink); font-weight: 500; }
.post-time { color: var(--c-muted); }

.post-lede {
  font-family: "Source Serif 4", "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
  font-size: 19px;
  color: var(--c-ink);
  line-height: 1.55;
  margin: 0;
  border-left: 2px solid var(--c-accent);
  padding-left: 18px;
}

/* TOC */
.post-toc {
  margin: 32px 0;
  padding: 14px 20px;
  background-color: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  font-size: 14px;
}
.post-toc summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--c-ink);
  font-size: 13px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.post-toc nav { margin-top: 12px; }
.post-toc ul { padding-left: 18px; margin: 8px 0; list-style: disc; }
.post-toc li { margin: 4px 0; }
.post-toc a { color: var(--c-muted); }
.post-toc a:hover { color: var(--c-ink); }

/* Content */
.post-content { color: var(--c-ink); font-size: 17px; line-height: 1.7; }
.post-content > * { margin: 0 0 18px; }

.post-content h2 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 44px 0 14px;
  color: var(--c-ink);
}
.post-content h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 18px;
  margin: 28px 0 10px;
  color: var(--c-ink);
}

.post-content p { line-height: 1.75; }
.post-content ul, .post-content ol { padding-left: 24px; }
.post-content li { margin: 6px 0; line-height: 1.65; }
.post-content strong { color: var(--c-ink); font-weight: 600; }

.post-content blockquote {
  border-left: 2px solid var(--c-accent);
  background: var(--c-bg-alt);
  padding: 14px 20px;
  margin: 20px 0;
  font-family: "Source Serif 4", serif;
  font-style: italic;
  font-weight: 500;
  color: var(--c-ink);
  border-radius: 0 8px 8px 0;
}

.post-content code {
  background: var(--c-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
  border: 1px solid var(--c-line);
  font-family: "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;
}
.post-content pre {
  background: var(--c-bg-alt);
  padding: 16px 18px;
  border-radius: 10px;
  border: 1px solid var(--c-line);
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.post-content pre code { background: transparent; padding: 0; border: 0; font-size: inherit; }

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14.5px;
}
.post-content table th,
.post-content table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}
.post-content table th {
  color: var(--c-ink);
  font-weight: 600;
  background: var(--c-bg-alt);
}
.post-content table td { color: var(--c-ink); }
.post-content table tr:hover { background: var(--c-bg-alt); }

.post-content hr {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 36px 0;
}
.post-content img { max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--c-line); }

/* Tags */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
}
.post-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-muted);
  transition: all 120ms;
}
.post-tag:hover {
  color: var(--c-ink);
  border-color: var(--c-ink);
  background: var(--c-card);
}

/* Post CTA */
.post-cta {
  margin: 56px 0 0;
  padding: 32px 28px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  text-align: center;
}
.post-cta h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--c-ink);
}
.post-cta p {
  color: var(--c-muted);
  font-size: 15px;
  margin: 0 0 18px;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--c-line);
  margin-top: 80px;
  background: var(--c-bg-alt);
}
.site-footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 48px var(--pad-x) 40px;
}
.footer-cta {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-line);
}
.footer-cta h3 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--c-ink);
}
.footer-cta p {
  color: var(--c-muted);
  margin: 0 auto 22px;
  max-width: 520px;
  font-size: 15px;
}
.footer-meta {
  font-size: 13px;
  color: var(--c-muted);
  text-align: center;
}
.footer-meta p { margin: 6px 0; }
.footer-meta a { color: var(--c-muted); }
.footer-meta a:hover { color: var(--c-ink); }

/* =========================================================
   Mobile
   ========================================================= */
@media (max-width: 640px) {
  .site-header-inner { padding: 10px 16px; gap: 12px; }
  .site-nav { gap: 12px; font-size: 13px; }
  .site-nav a:not(.back-link) { display: none; }
  .site-main { padding: 36px 18px 64px; }
  .post-card-link { padding: 20px; }
  .post-card-title { font-size: 19px; }
  .post-content { font-size: 16px; }
  .post-content h2 { font-size: 22px; margin: 32px 0 10px; }
  .post-content h3 { font-size: 17px; }
  .post-cta { padding: 24px 20px; }
}