/* ============================================
   NNINE TRAINING BLOG
   Clean • Simple • Readable
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Merriweather:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ── */
:root {
  --green:        #16A37F;
  --green-light:  rgba(22, 163, 127, 0.1);
  --green-border: rgba(22, 163, 127, 0.25);
  --bg:           #FAFAF8;
  --bg-card:      #FFFFFF;
  --border:       #E8E8E4;
  --text-dark:    #1A1A1A;
  --text-body:    #3D3D3D;
  --text-muted:   #6B7280;
  --text-dim:     #9CA3AF;
  --font-ui:      'Inter', sans-serif;
  --font-reading: 'Merriweather', serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius:       8px;
  --radius-lg:    12px;
  --max-width:    720px;
  --max-width-wide: 1100px;
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg) !important;
  color: var(--text-body) !important;
  font-family: var(--font-ui) !important;
  line-height: 1.6 !important;
  font-size: 16px !important;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Navbar ── */
header, header#header {
  background: rgba(250, 250, 248, 0.95) !important;
  backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid var(--border) !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
}

.nav {
  max-width: var(--max-width-wide) !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
  height: 60px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

.logo a {
  font-family: var(--font-ui) !important;
  font-weight: 700 !important;
  font-size: 1.1rem !important;
  color: var(--text-dark) !important;
  text-decoration: none !important;
  letter-spacing: -0.01em !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

.logo a::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

#menu a, .menu a {
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  color: var(--text-muted) !important;
  text-decoration: none !important;
  padding: 0.35rem 0.75rem !important;
  border-radius: var(--radius) !important;
  transition: color 0.15s, background 0.15s !important;
}

#menu a:hover, .menu a:hover {
  color: var(--text-dark) !important;
  background: var(--border) !important;
}

/* ── Page Layout ── */
main, .main {
  max-width: var(--max-width-wide) !important;
  margin: 0 auto !important;
  padding: 3rem 2rem !important;
}

/* ── Home Header ── */
.home-info, .profile {
  max-width: var(--max-width) !important;
  margin: 0 auto 3rem !important;
  padding: 3rem 0 2rem !important;
  border-bottom: 1px solid var(--border) !important;
}

.home-info h1, .profile h1 {
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--text-dark) !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 0.5rem !important;
  line-height: 1.3 !important;
}

.home-info p, .profile p {
  color: var(--text-muted) !important;
  font-size: 1rem !important;
}

/* ── Post Cards ── */
.post-entry, article.post-entry {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  padding: 1.75rem 2rem !important;
  margin-bottom: 1rem !important;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s !important;
  text-decoration: none !important;
  display: block !important;
}

.post-entry:hover {
  border-color: var(--green-border) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06) !important;
  transform: translateY(-1px) !important;
}

.post-entry .entry-header h2,
.post-entry h2 {
  font-size: 1.15rem !important;
  font-weight: 600 !important;
  color: var(--text-dark) !important;
  letter-spacing: -0.01em !important;
  line-height: 1.4 !important;
  margin-bottom: 0.5rem !important;
  transition: color 0.15s !important;
}

.post-entry:hover h2 { color: var(--green) !important; }

.post-entry .entry-content p,
.post-entry .entry-summary {
  color: var(--text-muted) !important;
  font-size: 0.9rem !important;
  line-height: 1.65 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  margin: 0 !important;
}

.post-meta, .entry-footer {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  flex-wrap: wrap !important;
  margin-top: 1rem !important;
  padding-top: 1rem !important;
  border-top: 1px solid var(--border) !important;
  font-size: 0.8rem !important;
  color: var(--text-dim) !important;
}

/* Tags */
.post-tags a, a[href*="/tags/"] {
  display: inline-flex !important;
  align-items: center !important;
  padding: 0.15rem 0.6rem !important;
  background: var(--green-light) !important;
  border: 1px solid var(--green-border) !important;
  border-radius: 100px !important;
  font-size: 0.72rem !important;
  font-weight: 500 !important;
  color: var(--green) !important;
  text-decoration: none !important;
  transition: all 0.15s !important;
}

.post-tags a:hover, a[href*="/tags/"]:hover {
  background: var(--green) !important;
  color: white !important;
  border-color: var(--green) !important;
}

/* ── Single Post ── */
.post-header {
  max-width: var(--max-width) !important;
  margin: 0 auto 2.5rem !important;
  padding-bottom: 2rem !important;
  border-bottom: 1px solid var(--border) !important;
}

h1.post-title, .post-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem) !important;
  font-weight: 700 !important;
  color: var(--text-dark) !important;
  letter-spacing: -0.025em !important;
  line-height: 1.2 !important;
  margin-bottom: 1rem !important;
}

/* Reading-optimized content */
.post-content {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
  font-family: var(--font-reading) !important;
  font-size: 1.05rem !important;
  line-height: 1.85 !important;
  color: var(--text-body) !important;
}

.post-content h2 {
  font-family: var(--font-ui) !important;
  font-size: 1.35rem !important;
  font-weight: 700 !important;
  color: var(--text-dark) !important;
  letter-spacing: -0.02em !important;
  margin: 2.5rem 0 0.75rem !important;
  padding-bottom: 0.4rem !important;
  border-bottom: 2px solid var(--green) !important;
  display: inline-block !important;
}

.post-content h3 {
  font-family: var(--font-ui) !important;
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  color: var(--text-dark) !important;
  margin: 2rem 0 0.6rem !important;
}

.post-content p { margin-bottom: 1.4rem !important; }

.post-content ul, .post-content ol {
  padding-left: 1.5rem !important;
  margin-bottom: 1.4rem !important;
}

.post-content li { margin-bottom: 0.4rem !important; }

.post-content a {
  color: var(--green) !important;
  text-decoration: underline !important;
  text-underline-offset: 3px !important;
  text-decoration-color: var(--green-border) !important;
  transition: text-decoration-color 0.15s !important;
}

.post-content a:hover {
  text-decoration-color: var(--green) !important;
}

/* Inline code */
.post-content code:not(pre code) {
  font-family: var(--font-mono) !important;
  font-size: 0.85em !important;
  background: #F3F4F6 !important;
  color: #D6336C !important;
  padding: 0.15em 0.4em !important;
  border-radius: 4px !important;
  border: 1px solid #E5E7EB !important;
}

/* Code blocks */
.post-content pre, pre {
  background: #1E1E2E !important;
  border-radius: var(--radius) !important;
  padding: 1.25rem 1.5rem !important;
  overflow-x: auto !important;
  font-family: var(--font-mono) !important;
  font-size: 0.875rem !important;
  line-height: 1.7 !important;
  margin: 1.75rem 0 !important;
  border: 1px solid #2D2D3F !important;
}

.post-content pre code {
  color: #CDD6F4 !important;
  background: none !important;
  border: none !important;
  padding: 0 !important;
}

/* Tables */
.post-content table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin: 1.75rem 0 !important;
  font-size: 0.9rem !important;
  font-family: var(--font-ui) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  overflow: hidden !important;
}

.post-content th {
  background: #F9FAFB !important;
  color: var(--text-dark) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  padding: 0.75rem 1rem !important;
  text-align: left !important;
  border-bottom: 1px solid var(--border) !important;
}

.post-content td {
  padding: 0.75rem 1rem !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-body) !important;
}

.post-content tr:last-child td { border-bottom: none !important; }
.post-content tr:hover td { background: #FAFAFA !important; }

/* Blockquote */
.post-content blockquote {
  border-left: 3px solid var(--green) !important;
  background: var(--green-light) !important;
  margin: 1.75rem 0 !important;
  padding: 1rem 1.25rem !important;
  border-radius: 0 var(--radius) var(--radius) 0 !important;
  font-style: italic !important;
  color: var(--text-body) !important;
}

.post-content blockquote p { margin-bottom: 0 !important; }

.post-content hr {
  border: none !important;
  border-top: 1px solid var(--border) !important;
  margin: 2.5rem 0 !important;
}

.post-content img {
  max-width: 100% !important;
  border-radius: var(--radius) !important;
  border: 1px solid var(--border) !important;
  margin: 1.5rem 0 !important;
}

/* ── Breadcrumbs ── */
.breadcrumbs {
  font-size: 0.8rem !important;
  color: var(--text-dim) !important;
  margin-bottom: 1.25rem !important;
}

.breadcrumbs a { color: var(--text-muted) !important; text-decoration: none !important; }
.breadcrumbs a:hover { color: var(--green) !important; }

/* ── Post Navigation ── */
.paginav {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 1rem !important;
  margin: 3rem auto 0 !important;
  padding-top: 2rem !important;
  border-top: 1px solid var(--border) !important;
  max-width: var(--max-width) !important;
}

.paginav a {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  padding: 1rem 1.25rem !important;
  text-decoration: none !important;
  transition: border-color 0.15s, box-shadow 0.15s !important;
  display: block !important;
}

.paginav a:hover {
  border-color: var(--green-border) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
}

.paginav .title {
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  color: var(--text-dark) !important;
  line-height: 1.4 !important;
}

/* ── Footer ── */
footer {
  background: var(--bg-card) !important;
  border-top: 1px solid var(--border) !important;
  text-align: center !important;
  padding: 2rem !important;
  font-size: 0.8rem !important;
  color: var(--text-dim) !important;
  margin-top: 5rem !important;
}

footer a { color: var(--text-muted) !important; text-decoration: none !important; }
footer a:hover { color: var(--green) !important; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.post-entry { animation: fadeUp 0.35s ease both; }
.post-entry:nth-child(1) { animation-delay: 0.04s; }
.post-entry:nth-child(2) { animation-delay: 0.08s; }
.post-entry:nth-child(3) { animation-delay: 0.12s; }
.post-entry:nth-child(4) { animation-delay: 0.16s; }
.post-entry:nth-child(5) { animation-delay: 0.20s; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav { padding: 0 1.25rem !important; }
  main, .main { padding: 2rem 1.25rem !important; }
  .post-entry { padding: 1.25rem !important; }
  .paginav { grid-template-columns: 1fr !important; }
  h1.post-title { font-size: 1.5rem !important; }
  .post-content { font-size: 1rem !important; }
}

/* ── Selection ── */
::selection {
  background: rgba(22, 163, 127, 0.15);
  color: var(--text-dark);
}