/* Blog reading theme — inspired by fancy.css
   Warm paper / charcoal palette, centered reading column, subtle animated accents.
   Works with semantic HTML produced by GoogleDocsCleaner. */

:root {
  color-scheme: light dark;
  --page-light: #ded4c0;
  --page-dark: #22262b;
  --ink-light: #292721;
  --ink-dark: #f1eee8;
  --muted-light: #625d53;
  --muted-dark: #b8b5ae;
  --accent: #7186b5;
  --accent-warm: #a65d50;
  --rule-light: rgba(80, 70, 55, .24);
  --rule-dark: rgba(235, 230, 220, .22);
  --surface-light: rgba(255, 255, 255, .30);
  --surface-dark: rgba(255, 255, 255, .055);
  --content-width:  min( min(100% - 2.5rem, 760px), 760px);
}

/* Base document */
html {
  min-height: 100%;
  background: var(--page-light);
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  box-sizing: border-box;
  min-height: 100vh;
  margin: 0;
  padding: clamp(2rem, 6vw, 5rem) 1.25rem;
  background: var(--page-light);
  color: var(--ink-light);
  font-family: "Noto Sans", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after {
  box-sizing: inherit;
}

/* The cleaner wraps content in main > section[data-tab="0"]. */
main,
body > section,
section[data-tab] {
  width: var(--content-width);
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

/* Title and headings */
h1, h2, h3, h4, h5, h6 {
  position: relative;
  color: inherit;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.22;
  text-align: left;
  text-wrap: balance;
  scroll-margin-top: 2rem;
}

h1 {
  margin: 0 0 2.25rem;
  padding-bottom: 1.1rem;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  letter-spacing: -.035em;
  border-bottom: 1px solid var(--rule-light);
}

h1::after,
h2::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  border-bottom: 3px solid var(--accent);
  animation: blog-underline 5s ease-in-out infinite;
}

h1::after {
  bottom: -2px;
}

h2 {
  margin: 2.8rem 0 1rem;
  padding-bottom: .45rem;
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  letter-spacing: -.02em;
  border-bottom: 1px solid var(--rule-light);
}

h3 {
  margin: 2rem 0 .65rem;
  font-size: 1.4rem;
}

h4, h5, h6 {
  margin: 1.5rem 0 .5rem;
  font-size: 1.15rem;
}

@keyframes blog-underline {
  0% {left: 0%; width: 0%;}
  20% {left: 0%; width: 40%; border-bottom: 2px solid #660000; }
  40% {left: 30%; width: 40%; border-bottom: 2px solid #006600; }
  60% {left: 60%; width: 40%; border-bottom: 2px solid #000066; }
  80% {left: 100%; width: 0%;}
  100% {left: 100%; width: 0%;}
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto;
    animation-duration: .01ms;
    animation-iteration-count: 1;
    transition-duration: .01ms;
  }
}

/* Reading rhythm */
p {
  margin: 0 0 1.2rem;
}

strong, b {
  font-weight: 750;
}

em, i {
  font-style: italic;
}

small {
  color: var(--muted-light);
  font-size: .875em;
}

/* Links retain the understated, inherited-color feel of the original. */
a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
  transition: color .18s ease, opacity .18s ease;
}

a:visited {
  color: inherit;
}

a:hover {
  color: var(--accent-warm);
  opacity: .85;
}

/* Lists */
ul, ol {
  margin: .5rem 0 1.5rem;
  padding-left: 1.65rem;
}

li {
  margin: .35rem 0;
  padding-left: .15rem;
}

li::marker {
  color: var(--accent-warm);
}

/* Quotes and callouts */
blockquote {
  margin: 1.8rem 0;
  padding: .85rem 1.25rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--surface-light);
  color: var(--muted-light);
}

blockquote > :last-child {
  margin-bottom: 0;
}

hr {
  height: 1px;
  margin: 2.5rem 0;
  border: 0;
  background: var(--rule-light);
}

/* Images: article images are fluid, not forced into circles. */
img, video {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.75rem auto;
  border-radius: 12px;
}

figure {
  margin: 2rem 0;
}

figure img {
  margin: 0 auto;
}

figcaption {
  margin-top: .6rem;
  color: var(--muted-light);
  font-size: .875rem;
  line-height: 1.5;
  text-align: center;
}

/* Tables */
table {
  width: 100%;
  margin: 1.75rem 0;
  border-collapse: collapse;
  font-size: .94rem;
  line-height: 1.55;
  overflow-wrap: normal;
}

th, td {
  padding: .7rem .85rem;
  border: 1px solid var(--rule-light);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-light);
  font-weight: 700;
}

tr:nth-child(even) td {
  background: rgba(120, 110, 90, .055);
}

/* Code */
code, pre, kbd, samp {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

code {
  padding: .12em .35em;
  border-radius: 5px;
  background: var(--surface-light);
  font-size: .88em;
}

pre {
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--rule-light);
  border-radius: 10px;
  background: var(--surface-light);
  font-size: .875rem;
  line-height: 1.6;
  tab-size: 2;
}

pre code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Small screens */
@media (max-width: 600px) {
  body {
    padding: 2rem 1rem;
    font-size: 15px;
    line-height: 1.75;
  }

  main,
  body > section,
  section[data-tab] {
    width: 100%;
  }

  h1 {
    margin-bottom: 1.8rem;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  blockquote {
    margin-right: 0;
    margin-left: 0;
    padding: .75rem 1rem;
  }

  img, video {
    margin: 1.25rem auto;
    border-radius: 9px;
  }
}

/* Dark mode follows the reader's system preference. */
@media (prefers-color-scheme: dark) {
  html, body {
    background: var(--page-dark);
    color: var(--ink-dark);
  }

  h1, h2 {
    border-bottom-color: var(--rule-dark);
  }

  blockquote {
    background: var(--surface-dark);
    color: var(--muted-dark);
  }

  small, figcaption {
    color: var(--muted-dark);
  }

  hr {
    background: var(--rule-dark);
  }

  th, td {
    border-color: var(--rule-dark);
  }

  th, pre {
    background: var(--surface-dark);
  }

  code {
    background: var(--surface-dark);
  }

  tr:nth-child(even) td {
    background: rgba(255, 255, 255, .025);
  }
}