/*
  Global styles and design tokens
  - Apple-like aesthetic with SF Pro stack
  - Light/Dark themes using CSS variables
*/

:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --text: #111113;
  --muted: #5f6067;
  --border: #e8e8ef;
  --brand: #007aff;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(0,0,0,.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text","SF Pro Display","Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;

  --focus: 2px solid #007aff;

  --grid-gap: 20px;
  --max-content: 1280px;
}

/* Remove all dark theme overrides and media queries */

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    /* top glow left */
    radial-gradient(1200px 600px at 15% -10%, color-mix(in oklab, var(--brand) 12%, transparent) 0%, transparent 65%),
    /* top glow right */
    radial-gradient(800px 400px at 90% -10%, color-mix(in oklab, var(--brand) 10%, transparent) 0%, transparent 70%),
    /* smooth fade to bottom */
    linear-gradient(to bottom, var(--bg) 0%, var(--bg) 85%, #eaf1ff 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.site-header {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 32px 20px 10px;
}
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-title { font-size: clamp(28px, 4vw, 40px); margin: 0; font-weight: 700; letter-spacing: -0.02em; }
.header-actions { display: flex; gap: 8px; align-items: center; }

.header-sub { display: grid; gap: 16px; margin-top: 10px; }
.about { max-width: 70ch; color: var(--muted); margin: 0; line-height: 1.6; }

.socials { display: flex; flex-wrap: wrap; gap: 8px; }
.social { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--border); background: var(--surface); border-radius: 999px; color: var(--text); text-decoration: none; font-size: 14px; }
.social:hover { transform: translateY(-1px); box-shadow: var(--shadow); transition: transform 160ms ease, box-shadow 160ms ease; }
/* Normalize icon size and tint */
.social img { width: 18px; height: 18px; object-fit: contain; display: inline-block; }
.theme-dark .social img { filter: invert(1) brightness(1.2); }
.theme-light .social img { filter: none; }

.layout { max-width: var(--max-content); margin: 0 auto; padding: 10px 20px 40px; display: grid; grid-template-columns: 260px 1fr; gap: 24px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.sidebar { position: sticky; top: 12px; align-self: start; background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.sidebar-title { margin: 0 0 10px; font-size: 16px; color: var(--muted); }
.category-pills { display: flex; flex-direction: column; gap: 8px; }

@media (max-width: 900px) {
  .sidebar { position: static; overflow-x: auto; border-radius: 999px; }
  .category-pills { flex-direction: row; gap: 8px; }
}

/* Bold the blog navigation text */
.pill { 
  display: inline-flex; 
  align-items: center; 
  gap: 8px; 
  padding: 8px 12px; 
  border-radius: 999px; 
  border: 1px solid var(--border); 
  background: var(--surface); 
  color: var(--text); 
  cursor: pointer; 
  font-size: 14px; 
  font-weight: 600; /* Make navigation text bold */
}
.pill[aria-pressed="true"] { background: color-mix(in oklab, var(--brand) 16%, var(--surface)); border-color: color-mix(in oklab, var(--brand) 50%, var(--border)); }
.pill:focus-visible { outline: var(--focus); outline-offset: 2px; }

.main { display: grid; gap: 16px; }

.grid { 
  display: grid; 
  gap: var(--grid-gap); 
  grid-template-columns: repeat(3, 1fr); 
}

@media (max-width: 900px) { 
  .grid { grid-template-columns: repeat(2, 1fr); } 
}

@media (max-width: 520px) { 
  .grid { grid-template-columns: 1fr; } 
}

/* Make cards bigger */
.card { 
  background: var(--surface); 
  border: 1px solid var(--border); 
  border-radius: calc(var(--radius) + 4px); 
  overflow: hidden; 
  box-shadow: none; 
  transition: transform 140ms ease, box-shadow 140ms ease; 
  outline: none; 
  position: relative; 
  /* Remove min-height to eliminate bottom spacing */
}

.card-cover {
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-body { 
  padding: 16px; 
  display: grid; 
  gap: 8px; /* Reduced gap to minimize spacing */
}

.card-title { 
  margin: 0; 
  font-size: 18px; 
  font-weight: 700; 
  line-height: 1.3; 
  display: -webkit-box; 
  -webkit-line-clamp: 2; 
  -webkit-box-orient: vertical; 
  overflow: hidden; 
}

.badges { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 6px; /* Reduced gap */
}

.badge { 
  font-size: 12px; 
  padding: 4px 8px; /* Reduced padding */
  border: 1px solid var(--border); 
  border-radius: 999px; 
  color: var(--muted); 
}

.meta { 
  color: var(--muted); 
  font-size: 13px; 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  margin: 0; /* Remove any default margins */
}

.skeleton { position: relative; overflow: hidden; background: color-mix(in srgb, var(--surface) 70%, var(--text) 6%); }
.skeleton::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent); transform: translateX(-100%); animation: shimmer 1.2s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }

/* Remove load more button styles */
.load-more-wrap { display: none; }

.site-footer { max-width: var(--max-content); margin: 0 auto; padding: 24px 20px 40px; color: var(--muted); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Post Modal Styles */
.post-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.post-modal-content {
  background: var(--surface);
  border-radius: var(--radius);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border);
}

.post-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.post-modal-header h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.close-btn:hover {
  background: var(--border);
  color: var(--text);
}

.post-modal-body {
  padding: 20px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.post-excerpt {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  margin: 1.2em 0 0.6em;
  font-weight: 700;
  line-height: 1.3;
}

.post-content p {
  margin: 0.8em 0;
  line-height: 1.6;
}

.post-content strong {
  font-weight: 600;
}

.post-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 16px 0;
  display: block;
}