/* ============================================
   Baseline Analytics — NBA Blog Theme
   Sports-media aesthetic, dark-first, stats-driven
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand */
  --brand:           #ff6b35;
  --brand-dark:      #cc5529;
  --brand-glow:      #ff6b3533;

  /* Surfaces */
  --bg:              #0d1117;
  --surface:         #161b22;
  --surface-2:       #1c2128;
  --surface-3:       #21262d;

  /* Text */
  --text-primary:    #e6edf3;
  --text-secondary:  #7d8590;
  --text-muted:      #484f58;

  /* Borders */
  --border:          #30363d;
  --border-light:    #21262d;

  /* Functional */
  --win:             #3fb950;
  --loss:            #f85149;
  --highlight:       #d29922;
  --stat-bg:         #ff6b350d;
  --stat-border:     #ff6b3544;

  /* Typography */
  --font-heading:    'Inter', system-ui, -apple-system, sans-serif;
  --font-body:       'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --font-condensed:  'Barlow Condensed', 'Arial Narrow', sans-serif;

  /* Spacing */
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-s:   0.75rem;
  --space-m:   1rem;
  --space-l:   1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width:     1200px;
  --article-width: 720px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  min-height: 100vh;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: var(--brand);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; }
h3 { font-size: 1.125rem; font-weight: 700; }

/* --- Section Label (uppercase, branded) --- */
.section-label {
  font-family: var(--font-condensed), var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand);
}

/* --- Header / Navigation --- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-s) var(--space-l);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.nav-logo span {
  color: var(--brand);
}

.nav-tagline {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 400;
  display: none;
}

@media (min-width: 640px) {
  .nav-tagline { display: block; }
}

.nav-links {
  display: flex;
  gap: var(--space-m);
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brand);
}

/* --- Hero / Featured Post --- */
.hero {
  position: relative;
  padding: var(--space-3xl) var(--space-l) var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: 1.2fr 1fr;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero-label .badge {
  background: var(--brand);
  color: #fff;
  padding: 0.15em 0.6em;
  border-radius: 3px;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1 {
  margin-top: var(--space-xs);
}

.hero h1 a:hover {
  color: var(--brand);
}

.hero-summary {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.6;
}

.hero-meta {
  display: flex;
  gap: var(--space-m);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-image {
  aspect-ratio: 16/10;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-image:hover img {
  transform: scale(1.02);
}

/* --- Section Header --- */
.section-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-l) var(--space-s);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--border);
}

.section-header h2 {
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-header a {
  font-size: 0.8125rem;
  color: var(--brand);
  font-weight: 600;
}

/* --- Post Card Grid --- */
.post-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-l);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: var(--space-l);
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-bottom: var(--space-l);
  border-bottom: 1px solid var(--border);
  transition: transform 0.2s ease;
}

.post-card:hover {
  transform: translateY(-2px);
}

.post-card__image {
  aspect-ratio: 16/9;
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border-light);
}

.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-card:hover .post-card__image img {
  transform: scale(1.03);
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.post-card__tag {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand);
}

.post-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-card__title a:hover {
  color: var(--brand);
}

.post-card__summary {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Tags --- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
}

.tag-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2em 0.65em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  transition: color 0.15s, border-color 0.15s;
}

.tag-pill:hover {
  color: var(--brand);
  border-color: var(--brand);
}

/* --- Article (Single Post) --- */
.article {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-l) var(--space-3xl);
}

.article-header {
  margin-bottom: var(--space-xl);
}

.article-header .section-label {
  margin-bottom: var(--space-xs);
}

.article-header h1 {
  margin-bottom: var(--space-s);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding-bottom: var(--space-l);
  border-bottom: 1px solid var(--border);
}

.article-image {
  margin: var(--space-l) 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.article-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-m);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--border);
}

.article-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-s);
}

.article-content p {
  margin-bottom: var(--space-m);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-m);
  padding-left: var(--space-l);
}

.article-content li {
  margin-bottom: var(--space-xs);
}

.article-content blockquote {
  margin: var(--space-l) 0;
  padding: var(--space-m) var(--space-l);
  border-left: 4px solid var(--brand);
  background: var(--surface);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.article-content pre {
  margin: var(--space-l) 0;
  padding: var(--space-m);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content strong {
  font-weight: 700;
  color: var(--text-primary);
}

.article-content a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--brand-dark);
}

/* --- Stat Callout Shortcode --- */
.stat-callout {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  margin: var(--space-l) 0;
  padding: var(--space-m) var(--space-l);
  background: var(--stat-bg);
  border: 1px solid var(--stat-border);
  border-left: 4px solid var(--brand);
  border-radius: 0 8px 8px 0;
}

.stat-callout__value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--brand);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stat-callout__info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.stat-callout__player {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.stat-callout__context {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* --- Stats Widget (Sidebar) --- */
.stats-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: var(--space-l) 0;
}

.stats-widget__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-s) var(--space-m);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.stats-widget__header span {
  color: var(--brand);
}

.stats-widget__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xs) var(--space-m);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
}

.stats-widget__row:last-child {
  border-bottom: none;
}

.stats-widget__rank {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 1.5rem;
}

.stats-widget__name {
  flex: 1;
  font-weight: 600;
}

.stats-widget__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand);
}

/* --- Footer --- */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: var(--space-3xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-l);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-m);
}

.footer-brand {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.footer-brand span {
  color: var(--brand);
}

.footer-info {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-info a {
  color: var(--brand);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  padding: var(--space-2xs) var(--space-s);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
}

.footer-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--win);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Post List Page --- */
.list-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-l) var(--space-m);
}

.list-header h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.list-header p {
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* --- Pagination --- */
.pagination {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-l);
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
}

.pagination a,
.pagination span {
  padding: var(--space-xs) var(--space-s);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.pagination a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.pagination .active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* --- Empty State (placeholder image) --- */
.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface-2), var(--surface-3));
  color: var(--text-muted);
  font-size: 2rem;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .hero { padding: var(--space-xl) var(--space-m) var(--space-l); }
  .post-grid { padding: var(--space-m); gap: var(--space-m); }
  .article { padding: var(--space-xl) var(--space-m); }

  .stat-callout {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
}