/* ============================================================
   BLOG GLOBAL CSS — Ruang Belajar
   Digunakan oleh semua halaman blog di folder blogs/
   Prefix: .bl-
   ============================================================ */

:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --ink: #1b1f3b;
  --ink-soft: #565b7a;
  --line: #e3e5e1;
  --accent: #3d5afe;
  --accent-ink: #0e1a8f;
  --highlight: #ffc857;
  --teal: #0f9d94;
  --red: #e74c3c;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --dur-fast: 220ms;
  --dur-med: 480ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==================== LAYOUT BLOG ==================== */
.bl-page {
  padding: 56px 0 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.8;
}

.bl-article {
  width: 100%;
  max-width: 760px;
  padding: 0 20px;
}

/* ==================== HEADER BLOG ==================== */
.bl-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 2px solid var(--line);
}

.bl-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  background: rgba(61, 90, 254, 0.06);
  padding: 6px 14px;
  border-radius: 999px;
}

.bl-header__eyebrow svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
}

.bl-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  line-height: 1.2;
  color: var(--ink);
}

.bl-header__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.bl-header__meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bl-header__meta-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--ink-soft);
}

/* ==================== COVER VISUAL ==================== */
.bl-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  margin-bottom: 36px;
  background: var(--ink);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 50px -20px rgba(27, 31, 59, 0.35);
}

.bl-cover canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ==================== KONTEN BLOG ==================== */
.bl-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.bl-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 44px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
  color: var(--ink);
}

.bl-content h2:first-child {
  margin-top: 0;
}

.bl-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 32px 0 12px;
  color: var(--accent-ink);
}

.bl-content p {
  margin: 0 0 16px;
}

.bl-content strong {
  color: var(--accent-ink);
  font-weight: 700;
}

.bl-content em {
  color: var(--teal);
  font-style: italic;
}

.bl-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease);
}

.bl-content a:hover {
  color: var(--accent-ink);
}

/* ==================== INFO BOX ==================== */
.bl-info-box {
  background: rgba(61, 90, 254, 0.04);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.9rem;
  color: var(--accent-ink);
}

.bl-info-box strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--accent);
}

.bl-warning-box {
  background: rgba(255, 200, 87, 0.12);
  border-left: 4px solid #e67e22;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.9rem;
}

.bl-warning-box strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: #e67e22;
}

/* ==================== LIST ==================== */
.bl-content ul,
.bl-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.bl-content li {
  margin-bottom: 8px;
}

.bl-content li::marker {
  color: var(--accent);
}

/* ==================== BLOCKQUOTE ==================== */
.bl-content blockquote {
  background: var(--bg);
  border-left: 4px solid var(--highlight);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--ink-soft);
}

/* ==================== DIVIDER ==================== */
.bl-divider {
  border: none;
  border-top: 2px dashed var(--line);
  margin: 36px 0;
}

/* ==================== CARD GRID ==================== */
.bl-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.bl-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: center;
  transition: box-shadow var(--dur-fast) var(--ease);
}

.bl-card:hover {
  box-shadow: 0 4px 16px rgba(27, 31, 59, 0.06);
}

.bl-card__icon {
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
}

.bl-card__icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent);
}

.bl-card__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--ink);
}

.bl-card__desc {
  font-size: 0.76rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* ==================== TABLE ==================== */
.bl-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.bl-content thead th {
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: 0.72rem;
  padding: 10px 14px;
  text-align: left;
}

.bl-content tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.bl-content tbody tr:nth-child(even) td {
  background: rgba(27, 31, 59, 0.015);
}

/* ==================== CANVAS DIAGRAM ==================== */
.bl-diagram {
  background: var(--ink);
  border-radius: var(--radius-lg);
  aspect-ratio: 1.6 / 1;
  margin: 28px 0;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(27, 31, 59, 0.35);
}

.bl-diagram canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ==================== FOOTER BLOG ==================== */
.bl-footer {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 2px solid var(--line);
  text-align: center;
}

.bl-footer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 16px;
}

.bl-footer__tag {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}

.bl-footer__tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(61, 90, 254, 0.04);
}

.bl-footer__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: color var(--dur-fast) var(--ease);
}

.bl-footer__back svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.bl-footer__back:hover {
  color: var(--accent);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 600px) {
  .bl-header__title {
    font-size: 1.4rem;
  }
  .bl-content h2 {
    font-size: 1.2rem;
  }
  .bl-content h3 {
    font-size: 1.05rem;
  }
  .bl-article {
    padding: 0 16px;
  }
  .bl-card-grid {
    grid-template-columns: 1fr 1fr;
  }
}