/* ==========================================================================
   Custom Catppuccin Macchiato Theme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap');

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */

:root {
  /* Catppuccin Macchiato color palette */
  --ctp-base: #24273a;
  --ctp-mantle: #1e2030;
  --ctp-crust: #181926;
  --ctp-text: #cad3f5;
  --ctp-subtext1: #b8c0e0;
  --ctp-subtext0: #a5adcb;
  --ctp-overlay2: #939ab7;
  --ctp-overlay1: #8087a2;
  --ctp-overlay0: #6e738d;
  --ctp-surface2: #5b6078;
  --ctp-surface1: #494d64;
  --ctp-surface0: #363a4f;

  /* Accent colors */
  --ctp-blue: #8aadf4;
  --ctp-lavender: #b7bdf8;
  --ctp-sapphire: #7dc4e4;
  --ctp-sky: #91d7e3;
  --ctp-teal: #8bd5ca;
  --ctp-green: #a6da95;
  --ctp-yellow: #eed49f;
  --ctp-peach: #f5a97f;
  --ctp-maroon: #ee99a0;
  --ctp-red: #ed8796;
  --ctp-mauve: #c6a0f6;
  --ctp-pink: #f5bde6;
  --ctp-flamingo: #f0c6c6;
  --ctp-rosewater: #f4dbd6;

  /* Layout and spacing */
  --ctp-border-radius: 6px;
  --ctp-border-radius-sm: 3px;
  --ctp-spacing-xs: 0.2em;
  --ctp-spacing-sm: 0.5rem;
  --ctp-spacing-md: 1rem;
  --ctp-spacing-lg: 1.5em;

  /* Typography */
  --ctp-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* ==========================================================================
   Base Elements
   ========================================================================== */

html {
  scrollbar-gutter: stable;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: var(--ctp-text);
  background-color: var(--ctp-base);
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-top: var(--ctp-spacing-lg);
  margin-bottom: 0.5em;
  color: var(--ctp-text);
  line-height: 1.3;
  letter-spacing: -0.025em;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.6rem;
  color: var(--ctp-subtext1);
}

h3 {
  font-size: 1.3rem;
}

/* Better paragraph spacing and readability */
p {
  margin-bottom: 1.2em;
  line-height: 1.8;
}

/* Improved reading width for better readability */
.post-content {
  line-height: 1.8;
}

.post-content p {
  margin-bottom: 1.4em;
}

/* ==========================================================================
   Links
   ========================================================================== */

a {
  color: var(--ctp-blue);
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

a:hover {
  color: var(--ctp-lavender);
  text-decoration: none;
}

a:visited {
  color: var(--ctp-mauve);
}

/* Animated underline for links */
.post-content a:not(.no-underline),
.post-list a {
  position: relative;
  text-decoration: none;
  display: inline-block;
}

.post-content a:not(.no-underline):after,
.post-list a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--ctp-blue), var(--ctp-lavender));
  transition: width 0.3s ease;
}

.post-content a:not(.no-underline):hover:after,
.post-list a:hover:after {
  width: 100%;
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.wrapper {
  max-width: 50rem;
  margin: 0 auto;
  padding: var(--ctp-spacing-md);
}

/* ==========================================================================
   Site Header & Navigation
   ========================================================================== */

.site-header {
  background-color: var(--ctp-crust);
  border-bottom: none;
  padding: 0.5rem 0;
  position: relative;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--ctp-surface2), var(--ctp-overlay0), var(--ctp-surface2));
}

.site-header .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  color: var(--ctp-text) !important;
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-avatar {
  border-radius: 50%;
  display: block;
}

.site-title:visited {
  color: var(--ctp-text) !important;
}

.site-nav .page-link {
  color: var(--ctp-subtext1);
  transition: all 0.2s ease;
  padding: 0.25rem 0.5rem;
  border-radius: var(--ctp-border-radius-sm);
  position: relative;
  margin-left: 0.5rem;
}

.site-nav .page-link:hover {
  color: var(--ctp-text);
  background-color: var(--ctp-surface0);
  transform: translateY(-1px);
}

/* Active page indicator */
.site-nav .page-link.current {
  color: var(--ctp-lavender);
  background: linear-gradient(135deg, var(--ctp-surface0), var(--ctp-surface1));
  border: 1px solid var(--ctp-lavender);
  box-shadow: 0 2px 8px rgba(183, 189, 248, 0.2);
}

/* Add subtle color variations to different nav links */
.site-nav .page-link:nth-child(1):hover {
  background: linear-gradient(135deg, var(--ctp-surface0), rgba(166, 218, 149, 0.1)); /* green tint */
}

.site-nav .page-link:nth-child(2):hover {
  background: linear-gradient(135deg, var(--ctp-surface0), rgba(125, 196, 228, 0.1)); /* sapphire tint */
}

.site-nav .page-link:nth-child(3):hover {
  background: linear-gradient(135deg, var(--ctp-surface0), rgba(238, 212, 159, 0.1)); /* yellow tint */
}

/* ==========================================================================
   Site Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--ctp-surface0);
  padding: 1.5rem 0;
  margin-top: 3rem;
  color: var(--ctp-overlay1);
  font-size: 0.85rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--ctp-overlay2) !important;
}

.footer-link:hover {
  color: var(--ctp-blue) !important;
}

.footer-link:visited {
  color: var(--ctp-overlay2) !important;
}

.footer-sep {
  color: var(--ctp-surface2);
}

.footer-copy {
  color: var(--ctp-overlay0);
}

/* ==========================================================================
   Post Content & Typography
   ========================================================================== */

.post-meta {
  color: var(--ctp-yellow);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-title a {
  color: var(--ctp-text);
}

.post-list .post-link:visited,
.post-link:visited {
  color: var(--ctp-text) !important;
}

.post-title a:hover {
  background: linear-gradient(45deg, var(--ctp-blue), var(--ctp-lavender), var(--ctp-mauve));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: colorShift 2s ease-in-out infinite;
}

@keyframes colorShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list > li {
  border-bottom: none;
  padding: 1rem 0;
  margin-bottom: 0.5rem;
}

.post-list h3 {
  margin-top: 0.25em;
}

/* Emphasis elements */
em, strong {
  color: var(--ctp-text);
}

/* Post header styling on single pages */
.post-header {
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(to right, var(--ctp-blue), var(--ctp-mauve), transparent) 1;
}

.post-header .post-title {
  margin-top: 0;
  background: linear-gradient(135deg, var(--ctp-text), var(--ctp-lavender));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Post tags */
.post-tag {
  display: inline-block;
  background-color: var(--ctp-surface0);
  color: var(--ctp-subtext0);
  padding: 0.15em 0.6em;
  border-radius: 1em;
  font-size: 0.75rem;
  text-transform: lowercase;
  letter-spacing: normal;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* Reduce spacing between header and main content */
.page-content {
  padding-top: var(--ctp-spacing-sm);
  animation: fadeIn 0.4s ease-out;
}

/* ==========================================================================
   Blockquotes
   ========================================================================== */

blockquote {
  border-left: 4px solid var(--ctp-blue);
  margin: var(--ctp-spacing-md) 0;
  padding: var(--ctp-spacing-sm) var(--ctp-spacing-md);
  background-color: var(--ctp-mantle);
  color: var(--ctp-subtext1);
}

/* ==========================================================================
   Tables
   ========================================================================== */

table {
  border-collapse: collapse;
  width: 100%;
  margin: var(--ctp-spacing-md) 0;
}

th, td {
  border: 1px solid var(--ctp-surface0);
  padding: var(--ctp-spacing-sm);
  text-align: left;
}

th {
  background-color: var(--ctp-mantle);
  font-weight: 700;
}

tr:nth-child(even) {
  background-color: var(--ctp-mantle);
}

/* ==========================================================================
   Code Blocks & Syntax Highlighting
   ========================================================================== */

/* Inline code */
code {
  background-color: var(--ctp-mantle);
  color: var(--ctp-text);
  padding: var(--ctp-spacing-xs) 0.4em;
  border-radius: var(--ctp-border-radius-sm);
  font-family: var(--ctp-font-mono);
  border: none;
}

/* Basic pre blocks */
pre {
  background-color: var(--ctp-mantle);
  border: none;
  border-radius: var(--ctp-border-radius);
  padding: var(--ctp-spacing-md);
  overflow-x: auto;
}

pre code {
  background-color: transparent;
  padding: 0;
  border: none;
}

/* Syntax highlighted code blocks */
.highlight {
  background-color: var(--ctp-mantle) !important;
  color: var(--ctp-text);
  border-radius: var(--ctp-border-radius);
  padding: var(--ctp-spacing-md);
  border: none !important;
}

.highlight pre,
.highlight code {
  background-color: transparent !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  color: var(--ctp-text);
}

/* Syntax highlighting token colors */
.highlight * {
  color: var(--ctp-text) !important;
}

.highlight .c {
  color: var(--ctp-overlay1) !important;
  font-style: italic;
}

/* ==========================================================================
   Special Content Boxes (Notes, etc.)
   ========================================================================== */

/* Override inline styled note boxes (with and without spaces for minified HTML) */
div[style*="background-color:#f9f9f9"],
div[style*="background-color: #f9f9f9"],
div[style*="border:1px solid #ccc"],
div[style*="border: 1px solid #ccc"] {
  background-color: var(--ctp-mantle) !important;
  border: 1px solid var(--ctp-surface0) !important;
  color: var(--ctp-text) !important;
}

/* ==========================================================================
   Utility Overrides
   ========================================================================== */

/* Remove all borders from code elements */
pre, code, .highlight pre, .highlight code {
  border: none !important;
}

/* Ensure proper text color inheritance */
.post-content em, .post-content strong {
  color: inherit;
}

/* Images */
.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--ctp-border-radius);
}

/* RSS button */
.rss-subscribe a {
  display: inline-block;
  background: linear-gradient(135deg, var(--ctp-blue), var(--ctp-sapphire));
  color: var(--ctp-base) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--ctp-border-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(138, 173, 244, 0.3);
  transition: all 0.2s ease;
}

.rss-subscribe a:hover {
  background: linear-gradient(135deg, var(--ctp-sapphire), var(--ctp-blue));
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(138, 173, 244, 0.4);
  color: var(--ctp-base) !important;
}

.rss-subscribe a:visited {
  color: var(--ctp-base) !important;
}

/* Custom scrollbar styling for code blocks */
.highlight::-webkit-scrollbar,
pre::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

.highlight::-webkit-scrollbar-track,
pre::-webkit-scrollbar-track {
  background: var(--ctp-surface0);
  border-radius: var(--ctp-border-radius-sm);
}

.highlight::-webkit-scrollbar-thumb,
pre::-webkit-scrollbar-thumb {
  background: var(--ctp-overlay0);
  border-radius: var(--ctp-border-radius-sm);
}

.highlight::-webkit-scrollbar-thumb:hover,
pre::-webkit-scrollbar-thumb:hover {
  background: var(--ctp-overlay1);
}

/* Firefox scrollbar styling */
.highlight,
pre {
  scrollbar-width: thin;
  scrollbar-color: var(--ctp-overlay0) var(--ctp-surface0);
}

/* ==========================================================================
   Homepage Hero
   ========================================================================== */

.hero {
  padding: 2rem 0 1.5rem;
  margin-bottom: 1rem;
}

.hero-tagline {
  color: var(--ctp-subtext0);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 38rem;
  margin: 0;
}

/* ==========================================================================
   Page Fade-in
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--ctp-blue), var(--ctp-sapphire));
  color: var(--ctp-base);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  box-shadow: 0 4px 16px rgba(138, 173, 244, 0.3);
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: linear-gradient(135deg, var(--ctp-sapphire), var(--ctp-lavender));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138, 173, 244, 0.4);
}

.back-to-top:before {
  content: "\2191";
}

/* ==========================================================================
   Mobile Hamburger Menu
   ========================================================================== */

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
}

@media (max-width: 600px) {
  .site-header .wrapper {
    flex-wrap: wrap;
  }

  .site-header .site-title {
    font-size: 1.2rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .nav-toggle-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    cursor: pointer;
    order: 1;
  }

  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    width: 1.25rem;
    height: 2px;
    background-color: var(--ctp-subtext1);
    border-radius: 1px;
    position: relative;
    transition: all 0.3s ease;
  }

  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: '';
    position: absolute;
    left: 0;
  }

  .nav-toggle-label span::before {
    top: -6px;
  }

  .nav-toggle-label span::after {
    top: 6px;
  }

  /* Animate to X when open */
  .nav-toggle:checked ~ .nav-toggle-label span {
    background-color: transparent;
  }

  .nav-toggle:checked ~ .nav-toggle-label span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-toggle-label span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 2;
    padding: 0.5rem 0;
  }

  .nav-toggle:checked ~ .site-nav {
    display: flex;
    flex-direction: column;
  }

  .site-nav .page-link {
    margin-left: 0;
    padding: 0.5rem;
  }
}