/* ==========================================================================
   Style Refresh — machinelearningplus.com
   Typography, image cards, code blocks, tables, and callout boxes
   Targets both .entry-content (classic) and .blogv4-content (Blog V4)
   ========================================================================== */

/* --- Typography --- */
body,
.entry-content,
.entry-content p,
.entry-content li,
.blogv4-content,
.blogv4-content p,
.blogv4-content li {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  font-size: 17px !important;
  line-height: 1.75 !important;
  color: #1a1a2e !important;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

.entry-content h2,
.blogv4-content h2 {
  font-size: 1.65em !important;
  font-weight: 700 !important;
  margin-top: 3em !important;
  margin-bottom: 0.6em !important;
  letter-spacing: -0.02em;
  border-top: none !important;
  border-bottom: none !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  /* Gradient heading text */
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.entry-content h3,
.blogv4-content h3 {
  font-size: 1.3em !important;
  font-weight: 600 !important;
  margin-top: 1.8em !important;
  margin-bottom: 0.5em !important;
  color: #1e293b !important;
}

.entry-content code:not([class*="language-"]),
.blogv4-content code:not([class*="language-"]) {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace !important;
  font-size: 0.88em;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 2px 6px;
  color: #d946ef;
}

/* --- Image cards --- */
.entry-content img:not(.avatar):not([src*="emoji"]),
.blogv4-content img:not(.avatar):not([src*="emoji"]) {
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid #e5e7eb;
  margin: 1.5em auto;
  display: block;
  max-width: 100%;
  transition: box-shadow 0.3s ease;
}

.entry-content img:not(.avatar):not([src*="emoji"]):hover,
.blogv4-content img:not(.avatar):not([src*="emoji"]):hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12), 0 2px 6px rgba(0,0,0,0.06);
}

.entry-content img + br + em,
.entry-content p > em:only-child,
.blogv4-content img + br + em,
.blogv4-content p > em:only-child {
  display: block;
  text-align: center;
  font-size: 13px;
  color: #64748b;
  margin-top: -0.5em;
  margin-bottom: 1.5em;
  font-style: italic;
}

/* --- Code blocks --- */
.entry-content pre[class*="line-numbers"],
.entry-content pre.python-runnable,
.blogv4-content pre[class*="line-numbers"],
.blogv4-content pre.python-runnable {
  border-radius: 8px !important;
  border: 1px solid #3e4451 !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  font-size: 14px !important;
  line-height: 1.6 !important;
  margin: 1.2em 0 !important;
}

/* Static output blocks inside code wrappers — remove inner border (wrapper provides it) */
.blogv4-code-wrapper pre[class*="language-"] {
  border: none !important;
  border-radius: 0 !important;
  margin: 0 !important;
}

.entry-content pre:not([class]),
.blogv4-content pre:not([class]) {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 13px;
  color: #334155;
}

/* --- Tables --- */
.entry-content table,
.blogv4-content table {
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
  margin: 1.5em 0;
  font-size: 15px;
}

.entry-content th,
.blogv4-content th {
  background: #f1f5f9;
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid #e2e8f0;
  color: #1e293b;
}

.entry-content td,
.blogv4-content td {
  padding: 10px 14px;
  border-bottom: 1px solid #f1f5f9;
}

.entry-content tr:last-child td,
.blogv4-content tr:last-child td {
  border-bottom: none;
}

/* --- Callout boxes --- */
.callout {
  border-radius: 8px;
  padding: 16px 20px;
  margin: 1.5em 0;
  font-size: 15px;
  line-height: 1.65;
  border-left: 4px solid;
}

.callout-tip { background: #f0fdf4; border-color: #22c55e; }
.callout-warning { background: #fffbeb; border-color: #f59e0b; }
.callout-note { background: #eff6ff; border-color: #3b82f6; }
.callout-key-insight { background: #faf5ff; border-color: #a855f7; }

/* --- Tighter paragraph spacing --- */
.entry-content p,
.blogv4-content p {
  margin: 1.18em 0 !important;
}

/* --- Stronger bold text --- */
.entry-content strong,
.blogv4-content strong {
  font-weight: 700 !important;
  color: #0f172a !important;
}

/* --- Accent-colored ordered list numbers --- */
.entry-content ol,
.blogv4-content ol {
  counter-reset: step-counter;
  list-style: none !important;
  padding-left: 0 !important;
}

.entry-content ol > li,
.blogv4-content ol > li {
  counter-increment: step-counter;
  padding-left: 2em !important;
  position: relative;
}

.entry-content ol > li::before,
.blogv4-content ol > li::before {
  content: counter(step-counter) ".";
  position: absolute;
  left: 0;
  color: #6366f1;
  font-weight: 700;
  font-size: 1.1em;
  font-feature-settings: "tnum";
}

/* Nested ordered lists use lowercase alpha */
.entry-content ol ol,
.blogv4-content ol ol {
  counter-reset: nested-counter;
}

.entry-content ol ol > li,
.blogv4-content ol ol > li {
  counter-increment: nested-counter;
}

.entry-content ol ol > li::before,
.blogv4-content ol ol > li::before {
  content: counter(nested-counter, lower-alpha) ".";
  font-size: 1em;
}

/* --- Custom text selection color --- */
::selection {
  background: rgba(99, 102, 241, 0.2);
  color: inherit;
}

::-moz-selection {
  background: rgba(99, 102, 241, 0.2);
  color: inherit;
}

/* --- Copy button icon styling in header bar --- */
.blogv4-code-copy {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 4px 6px !important;
  line-height: 1 !important;
}

.blogv4-code-copy.copied {
  color: #16a34a !important;
  border-color: #16a34a !important;
}

[data-theme="dark"] ::selection {
  background: rgba(99, 102, 241, 0.35);
}

[data-theme="dark"] .entry-content h2,
[data-theme="dark"] .blogv4-content h2 {
  background: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}