/* SimpleCloud Blog — shared styles (Gruvbox-extended palette, mobile-first) */

:root {
  --bg: #1d2021;
  --bg-soft: #282828;
  --bg-card: #32302f;
  --surface: #3c3836;
  --surface-2: #504945;
  --border: #665c54;
  --text: #fbf1c7;
  --text-2: #ebdbb2;
  --text-dim: #d5c4a1;
  --muted: #928374;

  --yellow: #fabd2f;
  --orange: #fe8019;
  --green: #b8bb26;
  --aqua: #8ec07c;
  --red: #fb4934;
  --purple: #d3869b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: transparent;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--yellow); color: var(--bg); }
a { color: var(--yellow); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange); }

/* reading progress bar (added by blog.js) */
.reading-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: #1a1c1d;
  border-bottom: 1px solid rgba(0, 0, 0, 0.5);
  z-index: 200;
  pointer-events: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}
.reading-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #fabd2f 0%, #fe8019 50%, #fb4934 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.08s linear;
  box-shadow:
    0 0 14px rgba(250, 189, 47, 0.85),
    0 0 28px rgba(254, 128, 25, 0.5),
    0 2px 6px rgba(254, 128, 25, 0.4);
  will-change: transform;
  position: relative;
}
.reading-progress-fill::after {
  /* bright leading edge for extra visibility */
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 18px;
  background: linear-gradient(90deg, transparent, #fff7d6 90%, #ffffff);
  filter: blur(1px);
  opacity: 0.95;
  border-radius: 0 3px 3px 0;
}
@media (prefers-reduced-motion: reduce) {
  .reading-progress-fill { transition: none; }
}

/* nav */
.post-nav {
  position: sticky; top: 6px; z-index: 50;
  display: flex; justify-content: flex-start; align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(29, 32, 33, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.post-nav .to-blog {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text-dim);
  font-size: 0.88rem; font-weight: 600;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.post-nav .to-blog:hover {
  color: var(--yellow); background: var(--surface); border-color: var(--yellow);
}
.post-nav .to-blog .arrow {
  font-size: 1.05rem; font-weight: 700;
  display: inline-block;
  transition: transform 0.2s;
}
.post-nav .to-blog:hover .arrow { transform: translateX(-3px); }
@media (max-width: 480px) {
  .post-nav { padding: 12px 14px; gap: 8px; }
  .post-nav .to-blog .label { display: none; }
  .post-nav .to-blog { padding: 8px 10px; }
}
.post-nav .back {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; font-weight: 600;
  font-size: 0.9rem; color: var(--text-dim);
}
.post-nav .back img { width: 26px; height: 26px; border-radius: 5px; }
.post-nav .back:hover { color: var(--yellow); }
.post-nav .cta {
  text-decoration: none;
  padding: 8px 14px;
  background: var(--yellow); color: var(--bg);
  border-radius: 7px; font-weight: 600; font-size: 0.85rem;
}
.post-nav .cta:hover { background: var(--orange); color: var(--bg); }

/* post */
.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}

.post-head { margin-bottom: 28px; }

.tag {
  display: inline-block;
  padding: 4px 11px;
  background: rgba(250, 189, 47, 0.14);
  color: var(--yellow);
  border-radius: 999px;
  font: 600 0.74rem/1 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.post-head h1 {
  font-size: clamp(1.7rem, 5.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.lede {
  font-size: clamp(1rem, 2.5vw, 1.18rem);
  color: var(--text-dim);
  font-weight: 400;
  margin: 0 0 18px;
  line-height: 1.55;
}

.meta {
  display: flex; gap: 8px;
  font: 500 0.8rem/1.4 'JetBrains Mono', monospace;
  color: var(--muted);
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-image {
  margin: 24px 0 32px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.hero-image img { width: 100%; display: block; }
.img-placeholder {
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(250,189,47,0.04) 12px 24px),
    linear-gradient(135deg, rgba(250,189,47,0.06), rgba(254,128,25,0.04));
  display: grid; place-items: center;
  font: 500 0.85rem/1.4 'JetBrains Mono', monospace;
  color: var(--muted);
  border: 1px dashed var(--border);
  text-align: center;
  padding: 16px;
}
.img-placeholder b { color: var(--yellow); display: block; margin-bottom: 4px; }

.post-body { font-size: 1rem; line-height: 1.7; color: var(--text-2); }
.post-body p { margin: 0 0 1.3em; }
.post-body h2 {
  font-size: clamp(1.35rem, 3.5vw, 1.65rem);
  font-weight: 700;
  color: var(--text);
  margin: 1.9em 0 0.6em;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.post-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.5em 0 0.5em;
}
.post-body strong { color: var(--text); font-weight: 600; }
.post-body em { color: var(--orange); font-style: normal; font-weight: 500; }

.post-body ul, .post-body ol { padding-left: 1.4em; margin: 0 0 1.3em; }
.post-body li { margin: 0.35em 0; }
.post-body li::marker { color: var(--yellow); }

.post-body blockquote {
  margin: 1.8em 0;
  padding: 16px 22px;
  border-left: 4px solid var(--yellow);
  background: var(--bg-soft);
  border-radius: 0 8px 8px 0;
  font-size: 1.02rem;
}
.post-body blockquote p { margin: 0; color: var(--text); font-style: italic; }
.post-body blockquote cite {
  display: block; margin-top: 10px;
  font: 500 0.8rem/1 'JetBrains Mono', monospace;
  color: var(--muted); font-style: normal;
}

.post-body pre {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  font: 13px/1.55 'JetBrains Mono', monospace;
  color: var(--aqua);
  margin: 1.6em 0;
  -webkit-overflow-scrolling: touch;
}
.post-body code {
  font: 13.5px/1.5 'JetBrains Mono', monospace;
  color: var(--orange);
  background: var(--surface);
  padding: 1px 6px;
  border-radius: 4px;
}
.post-body pre code { background: none; color: inherit; padding: 0; border-radius: 0; }

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 0.92rem;
}
.post-body th, .post-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-2);
}
.post-body th {
  font: 600 0.78rem/1 'JetBrains Mono', monospace;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-soft);
}
.post-body tbody tr:hover { background: var(--bg-card); }

.callout {
  margin: 1.8em 0;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-left: 4px solid var(--orange);
}
.callout strong { color: var(--orange); }

/* CTA */
.post-cta {
  margin-top: 50px;
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(250,189,47,0.08), rgba(254,128,25,0.04));
  border: 1px solid var(--border);
  border-radius: 14px;
  text-align: center;
}
.post-cta h2 {
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  margin: 0 0 12px;
  color: var(--text);
}
.post-cta p { margin: 0 0 22px; color: var(--text-dim); font-size: 0.96rem; }
.post-cta .btn-primary {
  display: inline-block;
  padding: 14px 26px;
  background: var(--yellow); color: var(--bg);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.98rem;
}
.post-cta .btn-primary:hover { background: var(--orange); color: var(--bg); }

/* related */
.related {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.related h3 {
  font: 600 0.78rem/1 'JetBrains Mono', monospace;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
}
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { margin: 10px 0; }
.related a {
  text-decoration: none;
  color: var(--text-2);
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
}
.related a::before { content: '→'; color: var(--yellow); }
.related a:hover { color: var(--yellow); }

/* progressive enhancement for desktop */
@media (min-width: 720px) {
  body { font-size: 17px; }
  .post { padding: 40px 24px 80px; }
  .post-body { font-size: 1.05rem; line-height: 1.75; }
  .post-body pre { font-size: 14px; padding: 18px 20px; }
  .post-body code { font-size: 14px; }
  .post-nav { padding: 16px 24px; }
}