/* AI Education Blog Theme - Main Stylesheet */
/* Tailwind CSS Build Output */

/* Base Reset */
*, ::before, ::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: var(--border);
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-family: var(--font-sans), ui-sans-serif, system-ui, sans-serif;
  font-feature-settings: normal;
}

body {
  margin: 0;
  line-height: inherit;
  background-color: var(--background);
  color: var(--foreground);
}

/* CSS Variables */
:root {
  --background: oklch(0.99 0.002 250);
  --foreground: oklch(0.15 0.02 250);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.15 0.02 250);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.15 0.02 250);
  --primary: oklch(0.55 0.18 250);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.96 0.01 250);
  --secondary-foreground: oklch(0.25 0.02 250);
  --muted: oklch(0.96 0.008 250);
  --muted-foreground: oklch(0.5 0.02 250);
  --accent: oklch(0.45 0.2 250);
  --accent-foreground: oklch(0.99 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.577 0.245 27.325);
  --border: oklch(0.92 0.01 250);
  --input: oklch(0.92 0.01 250);
  --ring: oklch(0.55 0.18 250);
  --radius: 0.75rem;
  --font-sans: 'Geist', 'Geist Fallback', ui-sans-serif, system-ui, sans-serif;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
}

a {
  color: inherit;
  text-decoration: inherit;
}

/* Layout */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container { max-width: 640px; }
}
@media (min-width: 768px) {
  .container { max-width: 768px; }
}
@media (min-width: 1024px) {
  .container { max-width: 1024px; }
}
@media (min-width: 1280px) {
  .container { max-width: 1280px; }
}

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:w-auto { width: auto; }
  .md\:w-64 { width: 16rem; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-\[1fr_300px\] { grid-template-columns: 1fr 300px; }
}

/* Gap */
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* Spacing */
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pl-10 { padding-left: 2.5rem; }
.pr-4 { padding-right: 1rem; }
.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }
.pb-4 { padding-bottom: 1rem; }

.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }

.-mt-8 { margin-top: -2rem; }
.-translate-y-1\/2 { transform: translateY(-50%); }

/* Sizing */
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-full { width: 100%; }
.w-fit { width: fit-content; }

.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-full { height: 100%; }

.min-w-0 { min-width: 0; }
.max-w-none { max-width: none; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }

/* Aspect Ratio */
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-\[16\/10\] { aspect-ratio: 16 / 10; }
.aspect-\[21\/9\] { aspect-ratio: 21 / 9; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }
.fixed { position: fixed; }
.top-0 { top: 0; }
.top-24 { top: 6rem; }
.top-1\/2 { top: 50%; }
.right-0 { right: 0; }
.right-4 { right: 1rem; }
.left-0 { left: 0; }
.left-3 { left: 0.75rem; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

@media (min-width: 640px) {
  .sm\:flex { display: flex; }
  .sm\:block { display: block; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:block { display: block; }
  .md\:inline-flex { display: inline-flex; }
  .md\:hidden { display: none; }
}

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:block { display: block; }
  .lg\:hidden { display: none; }
}

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

/* Border */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-0 { border-width: 0; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-border { border-color: var(--border); }
.border-white { border-color: white; }

/* Border Radius */
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Background */
.bg-background { background-color: var(--background); }
.bg-card { background-color: var(--card); }
.bg-muted { background-color: var(--muted); }
.bg-muted\/30 { background-color: oklch(0.96 0.008 250 / 0.3); }
.bg-muted\/50 { background-color: oklch(0.96 0.008 250 / 0.5); }
.bg-primary { background-color: var(--primary); }
.bg-primary\/10 { background-color: oklch(0.55 0.18 250 / 0.1); }
.bg-primary\/20 { background-color: oklch(0.55 0.18 250 / 0.2); }
.bg-white { background-color: white; }
.bg-white\/10 { background-color: rgb(255 255 255 / 0.1); }
.bg-white\/90 { background-color: rgb(255 255 255 / 0.9); }
.bg-card\/95 { background-color: oklch(1 0 0 / 0.95); }

/* Text Colors */
.text-foreground { color: var(--foreground); }
.text-card-foreground { color: var(--card-foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.text-primary { color: var(--primary); }
.text-primary-foreground { color: var(--primary-foreground); }
.text-white { color: white; }
.text-white\/70 { color: rgb(255 255 255 / 0.7); }
.text-white\/80 { color: rgb(255 255 255 / 0.8); }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }

@media (min-width: 768px) {
  .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
}

@media (min-width: 1024px) {
  .lg\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .lg\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .lg\:text-5xl { font-size: 3rem; line-height: 1; }
  .lg\:p-8 { padding: 2rem; }
  .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .lg\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .lg\:-mt-12 { margin-top: -3rem; }
}

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }

/* Line Clamp */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

/* Shadow */
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }

/* Transitions */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-shadow { transition-property: box-shadow; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-300 { transition-duration: 300ms; }

/* Transform */
.scale-105 { transform: scale(1.05); }
.rotate-180 { transform: rotate(180deg); }

/* Hover States */
.hover\:bg-muted:hover { background-color: var(--muted); }
.hover\:bg-primary:hover { background-color: var(--primary); }
.hover\:bg-primary\/90:hover { background-color: oklch(0.55 0.18 250 / 0.9); }
.hover\:bg-primary\/10:hover { background-color: oklch(0.55 0.18 250 / 0.1); }
.hover\:bg-primary\/20:hover { background-color: oklch(0.55 0.18 250 / 0.2); }
.hover\:bg-white\/10:hover { background-color: rgb(255 255 255 / 0.1); }
.hover\:bg-white\/90:hover { background-color: rgb(255 255 255 / 0.9); }
.hover\:text-primary:hover { color: var(--primary); }
.hover\:text-white:hover { color: white; }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.hover\:underline:hover { text-decoration: underline; }
.hover\:border-primary\/30:hover { border-color: oklch(0.55 0.18 250 / 0.3); }
.hover\:scale-105:hover { transform: scale(1.05); }

.group:hover .group-hover\:text-primary { color: var(--primary); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:bg-primary\/20 { background-color: oklch(0.55 0.18 250 / 0.2); }

.group-open\:rotate-180 { transform: rotate(0); }
.group[open] .group-open\:rotate-180 { transform: rotate(180deg); }

/* Focus States */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px var(--ring); }
.focus\:ring-primary\/50:focus { box-shadow: 0 0 0 2px oklch(0.55 0.18 250 / 0.5); }
.focus\:ring-white\/50:focus { box-shadow: 0 0 0 2px rgb(255 255 255 / 0.5); }
.focus\:border-primary:focus { border-color: var(--primary); }

/* Backdrop */
.backdrop-blur { backdrop-filter: blur(8px); }

/* Object Fit */
.object-cover { object-fit: cover; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Prose (for article content) */
.prose {
  color: var(--muted-foreground);
  max-width: 65ch;
}

.prose h1, .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 {
  color: var(--foreground);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2em;
  margin-bottom: 0.5em;
}

.prose h1 { font-size: 2.25em; }
.prose h2 { font-size: 1.5em; }
.prose h3 { font-size: 1.25em; }

.prose p {
  margin-top: 1.25em;
  margin-bottom: 1.25em;
  line-height: 1.8;
}

.prose a {
  color: var(--primary);
  text-decoration: underline;
}

.prose a:hover {
  text-decoration: none;
}

.prose strong {
  color: var(--foreground);
  font-weight: 600;
}

.prose blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 1em;
  font-style: italic;
  color: var(--muted-foreground);
}

.prose ul, .prose ol {
  margin-top: 1.25em;
  margin-bottom: 1.25em;
  padding-left: 1.5em;
}

.prose li {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.prose img {
  border-radius: var(--radius);
  margin-top: 2em;
  margin-bottom: 2em;
}

.prose code {
  background-color: var(--muted);
  padding: 0.2em 0.4em;
  border-radius: 0.25em;
  font-size: 0.875em;
}

.prose pre {
  background-color: var(--foreground);
  color: var(--background);
  padding: 1em;
  border-radius: var(--radius);
  overflow-x: auto;
}

.prose pre code {
  background-color: transparent;
  padding: 0;
}

.prose-lg {
  font-size: 1.125rem;
}

/* Forms */
input, textarea, select {
  font-family: inherit;
  font-size: 100%;
}

input::placeholder, textarea::placeholder {
  color: var(--muted-foreground);
  opacity: 1;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* WordPress specific */
.wp-block-image img {
  max-width: 100%;
  height: auto;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignleft {
  float: left;
  margin-right: 1.5em;
}

.alignright {
  float: right;
  margin-left: 1.5em;
}

/* Navigation menus */
.menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu li {
  display: inline-block;
}

.menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--foreground);
  transition: color 150ms;
}

.menu a:hover {
  color: var(--primary);
}

/* WordPress Comments */
.comment-list {
  list-style: none;
  padding: 0;
}

.comment {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.comment-body {
  display: flex;
  gap: 1rem;
}

.comment-content {
  flex: 1;
}

.comment-author {
  font-weight: 600;
  color: var(--foreground);
}

.comment-meta {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Contact Form Styles */
.wpcf7-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--foreground);
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background-color: var(--background);
  color: var(--foreground);
  transition: border-color 150ms, box-shadow 150ms;
}

.wpcf7-form input[type="text"]:focus,
.wpcf7-form input[type="email"]:focus,
.wpcf7-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px oklch(0.55 0.18 250 / 0.2);
}

.wpcf7-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary);
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 150ms;
}

.wpcf7-form input[type="submit"]:hover {
  background-color: oklch(0.55 0.18 250 / 0.9);
}

/* Pagination */
.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--foreground);
  text-decoration: none;
  transition: background-color 150ms, color 150ms;
}

.page-numbers:hover {
  background-color: var(--muted);
}

.page-numbers.current {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Mobile menu */
@media (max-width: 767px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
  }
  
  .nav-menu.active {
    display: block;
  }
  
  .nav-menu .menu {
    flex-direction: column;
  }
  
  .nav-menu .menu li {
    display: block;
  }
  
  .nav-menu .menu a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
}