/* Blog shell for KDCube website drafts.
   Relies on the main site styles.css for header/navigation behavior. */

:root,
[data-theme="light"] {
  --blog-bg: #F6FAFA;
  --blog-surface: #FFFFFF;
  --blog-surface-2: #EEF8F7;
  --blog-surface-3: #FDF9EE;
  --blog-border: #D8ECEB;
  --blog-text: #0D1E2C;
  --blog-text-2: #3A5672;
  --blog-muted: #7A99B0;
  --blog-teal: #01BEB2;
  --blog-teal-dark: #009C92;
  --blog-blue: #4372C3;
  --blog-blue-dark: #2B4B8A;
  --blog-purple: #6B63FE;
  --blog-gold: #F0BC2E;
  --blog-green: #52B044;
  --blog-sky: #38B8C8;
  --blog-code-bg: #0D1E2C;
  --blog-code-fg: #C6F3F1;
  --blog-inline-code-bg: #E6F7F6;
  --blog-inline-code-fg: #007A72;
  --blog-shadow: 0 1px 3px rgba(0,0,0,0.07), 0 10px 32px rgba(0,0,0,0.06);
  --blog-radius: 18px;
  --blog-radius-sm: 12px;
}

[data-theme="dark"] {
  --blog-bg: #0D1424;
  --blog-surface: #1B2335;
  --blog-surface-2: #1E2A3B;
  --blog-surface-3: #2A2535;
  --blog-border: rgba(255,255,255,0.10);
  --blog-text: #E2F0EF;
  --blog-text-2: rgba(226,240,239,0.80);
  --blog-muted: rgba(226,240,239,0.55);
  --blog-code-bg: #09111D;
  --blog-code-fg: #C6F3F1;
  --blog-inline-code-bg: rgba(1,190,178,0.15);
  --blog-inline-code-fg: #7EEFE8;
  --blog-shadow: 0 8px 28px rgba(0,0,0,0.28);
}

body.blog-page {
  background:
    radial-gradient(circle at top left, rgba(1, 190, 178, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(107, 99, 254, 0.08), transparent 24%),
    var(--blog-bg);
  color: var(--blog-text);
  font-size: 15px;
  line-height: 1.7;
}

body.blog-page.blog-page--warm {
  background:
    radial-gradient(circle at top left, rgba(240, 188, 46, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(82, 176, 68, 0.12), transparent 26%),
    radial-gradient(circle at 65% 12%, rgba(56, 184, 200, 0.08), transparent 24%),
    var(--blog-bg);
}

.blog-page main {
  padding-bottom: 5rem;
}

.blog-page .container {
  max-width: 1280px;
}

.blog-hero {
  margin: 2rem auto 1.5rem;
  padding: 2.2rem 2.2rem 2rem;
  border-radius: 24px;
  border: 1px solid var(--blog-border);
  background:
    linear-gradient(135deg, rgba(1, 190, 178, 0.08), rgba(67, 114, 195, 0.08) 52%, rgba(107, 99, 254, 0.08)),
    var(--blog-surface);
  box-shadow: var(--blog-shadow);
}

.blog-page--warm .blog-hero {
  background:
    linear-gradient(135deg, rgba(240, 188, 46, 0.14), rgba(82, 176, 68, 0.12) 52%, rgba(56, 184, 200, 0.10)),
    var(--blog-surface);
}

.blog-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 0.95fr);
  gap: 1.5rem;
  align-items: end;
}

.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  background: rgba(1, 190, 178, 0.12);
  color: var(--blog-teal-dark);
  border: 1px solid rgba(1, 190, 178, 0.24);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.95rem;
}

.blog-title {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
  margin: 0 0 0.9rem;
  color: var(--blog-blue-dark);
}

.blog-page--warm .blog-title {
  color: #355D19;
}

.blog-subtitle {
  max-width: 860px;
  color: var(--blog-text-2);
  font-size: 1.05rem;
  margin: 0;
}

.blog-hero-meta {
  display: grid;
  gap: 0.8rem;
}

.hero-stat {
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
}

.blog-page--warm .hero-stat {
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(253, 249, 238, 0.95));
}

.hero-stat-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-muted);
  margin-bottom: 0.35rem;
}

.hero-stat-value {
  display: block;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--blog-text);
}

.blog-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}

.blog-sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 1rem;
}

.blog-panel,
.blog-article,
.blog-card {
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  box-shadow: var(--blog-shadow);
}

.blog-panel {
  padding: 1rem;
}

.blog-panel h2,
.blog-panel h3,
.blog-article h2,
.blog-article h3 {
  margin: 0;
}

.blog-panel-title {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-muted);
  margin-bottom: 0.85rem;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.post-list li {
  margin: 0;
}

.post-link,
.post-link-placeholder {
  display: block;
  text-decoration: none;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.post-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(1, 190, 178, 0.12);
  border-color: rgba(1, 190, 178, 0.38);
  text-decoration: none;
}

.post-link.is-active {
  background: linear-gradient(135deg, rgba(1, 190, 178, 0.08), rgba(67, 114, 195, 0.08));
  border-color: rgba(67, 114, 195, 0.32);
}

.post-link-placeholder {
  opacity: 0.78;
  background: var(--blog-surface-2);
}

.post-list-status {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.18rem 0.52rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.status-live {
  background: rgba(82, 176, 68, 0.12);
  color: #225A1A;
}

.status-draft {
  background: rgba(240, 188, 46, 0.14);
  color: #8A6200;
}

.post-list-title {
  display: block;
  color: var(--blog-text);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.25rem;
}

.post-list-desc {
  display: block;
  color: var(--blog-text-2);
  font-size: 0.85rem;
  line-height: 1.5;
}

.blog-note {
  color: var(--blog-text-2);
  font-size: 0.9rem;
  margin: 0;
}

.blog-main {
  display: grid;
  gap: 1.25rem;
}

.blog-card {
  padding: 1.35rem 1.4rem;
}

.blog-card h2 {
  font-size: 1.3rem;
  margin-bottom: 0.45rem;
  color: var(--blog-text);
}

.blog-card p:last-child {
  margin-bottom: 0;
}

.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.blog-card-item {
  padding: 1rem 1rem 1.05rem;
  border-radius: 14px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface-2);
}

.blog-card-item h3 {
  font-size: 1rem;
  color: var(--blog-text);
  margin-bottom: 0.35rem;
}

.blog-card-item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--blog-text-2);
}

.blog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.05rem;
}

.blog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.blog-btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.blog-btn-primary {
  background: linear-gradient(135deg, var(--blog-teal), var(--blog-blue));
  color: #fff;
  box-shadow: 0 10px 24px rgba(1, 190, 178, 0.18);
}

.blog-btn-secondary {
  background: var(--blog-surface);
  color: var(--blog-blue-dark);
  border-color: var(--blog-border);
}

.blog-article {
  padding: 2rem 2.1rem 2.2rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--blog-muted);
  font-size: 0.86rem;
}

.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.68rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--blog-purple), var(--blog-blue));
}

.article-kicker--warm {
  background: linear-gradient(135deg, var(--blog-gold), var(--blog-green));
  color: #243217;
}

.article-title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--blog-text);
  margin: 0 0 0.7rem;
}

.article-lead {
  font-size: 1.08rem;
  color: var(--blog-text-2);
  margin-bottom: 1.6rem;
}

.article-body h2 {
  font-size: 1.48rem;
  margin: 2rem 0 0.65rem;
  color: var(--blog-blue-dark);
}

.article-body h3 {
  font-size: 1.08rem;
  margin: 1.35rem 0 0.45rem;
  color: var(--blog-text);
}

.article-body p {
  margin: 0 0 1rem;
  color: var(--blog-text);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
}

.article-body li {
  margin-bottom: 0.35rem;
}

.article-body pre {
  background: var(--blog-code-bg);
  color: var(--blog-code-fg);
  border-radius: var(--blog-radius-sm);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 1rem 0 1.2rem;
  font-size: 0.86rem;
  line-height: 1.65;
  box-shadow: var(--blog-shadow);
}

.article-body code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88em;
  background: var(--blog-inline-code-bg);
  color: var(--blog-inline-code-fg);
  padding: 0.14rem 0.38rem;
  border-radius: 6px;
}

.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.blog-figure {
  margin: 1.25rem 0 1.4rem;
  padding: 0.85rem;
  border-radius: 18px;
  border: 1px solid var(--blog-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.32), rgba(1,190,178,0.03)), var(--blog-surface);
  box-shadow: var(--blog-shadow);
}

.blog-figure--warm {
  background: linear-gradient(180deg, rgba(255,255,255,0.42), rgba(240,188,46,0.08)), var(--blog-surface);
}

.blog-figure svg {
  display: block;
  width: 100%;
  height: auto;
}

.blog-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.blog-figure figcaption {
  margin-top: 0.75rem;
  color: var(--blog-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.blog-callout {
  margin: 1.2rem 0;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface-2);
}

.blog-callout strong {
  color: var(--blog-text);
}

.callout-teal {
  background: linear-gradient(135deg, rgba(1,190,178,0.10), rgba(56,184,200,0.08));
}

.callout-gold {
  background: linear-gradient(135deg, rgba(240,188,46,0.12), rgba(82,176,68,0.08));
}

.callout-warm {
  background: linear-gradient(135deg, rgba(240,188,46,0.16), rgba(82,176,68,0.12));
}

.article-quote {
  margin: 1.4rem 0;
  padding: 1rem 1.15rem 1rem 1.3rem;
  border-left: 4px solid var(--blog-teal);
  background: var(--blog-surface-2);
  border-radius: 0 14px 14px 0;
  color: var(--blog-text-2);
  font-size: 1rem;
}

.blog-table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--blog-border);
}

.blog-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--blog-surface);
}

.blog-table th,
.blog-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--blog-border);
  vertical-align: top;
}

.blog-table th {
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-muted);
  background: var(--blog-surface-2);
}

.blog-table tr:last-child td {
  border-bottom: none;
}

.blog-footer-note {
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--blog-border);
  color: var(--blog-muted);
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .blog-sidebar {
    position: static;
    top: auto;
  }

  .blog-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .blog-hero {
    margin-top: 1.25rem;
    padding: 1.5rem 1.15rem 1.35rem;
  }

  .blog-article,
  .blog-card,
  .blog-panel {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .article-title {
    font-size: 1.8rem;
  }

  .blog-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-btn {
    width: 100%;
  }
}