:root {
  color-scheme: light;
  --paper: #fff;
  --surface: #fff;
  --ink: #222;
  --muted: #666;
  --line: #ccc;
  --soft: #f4f4f4;
  --button: #eee;
  --button-hover: #ddd;
  --link: #17448b;
  --accent: #b32624;
  --search: #274681;
  --warning: #fff8e8;
  --reader-size: 20px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  background: var(--paper);
  color: var(--ink);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #181818;
  --surface: #202020;
  --ink: #eee;
  --muted: #bbb;
  --line: #555;
  --soft: #282828;
  --button: #333;
  --button-hover: #444;
  --link: #adcaff;
  --warning: #302a1b;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.45; }
a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
button, input, summary { font: inherit; }
button, a, input, summary { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
button, input { border-radius: 0; }
input {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid #888;
  background: var(--surface);
  color: var(--ink);
}
input::placeholder { color: var(--muted); opacity: 1; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid #e5a900;
  outline-offset: 3px;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.2; }
p:last-child { margin-bottom: 0; }
[hidden], .toast[hidden] { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 760px;
  margin: auto;
  padding: 22px 0 0;
}
.wordmark {
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 36px;
  font-weight: bold;
  line-height: 1;
  letter-spacing: -1px;
  text-decoration: none;
}
.brand-prefix { color: var(--ink); }
.brand-tld { color: var(--accent); }
html[data-theme="dark"] .brand-tld { color: #ed817e; }
.brand-caption {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font: 12px/1.4 Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}
.header-inner nav { display: flex; align-items: center; gap: 12px; }
.header-inner nav > a { display: inline-flex; align-items: center; min-height: 40px; }
.theme-toggle, .icon-button {
  min-height: 40px;
  padding: 8px;
  border: 0;
  color: var(--link);
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-footer {
  max-width: 760px;
  margin: 24px auto;
  color: var(--muted);
  font-size: 11px;
}
.site-footer p { margin: 0; }
.shortcut-links { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 11px; }
.shortcut-links a { padding: 4px 0; }

.home-main, .archive-main, .reader-main, .status-main {
  max-width: 760px;
  margin: 32px auto;
}
.capture-box, .search-box { padding: 18px 20px 20px; color: #fff; }
.capture-section.capture-box { background: var(--accent); }
.search-section.search-box, .archive-main .search-box { background: var(--search); }
.capture-box + .search-box, .capture-section + .search-section { margin-top: 24px; }
.capture-box h1, .capture-box h2, .search-box h1, .search-box h2 {
  margin: 0 0 12px;
  color: #fff;
  font: bold 16px/1.3 Arial, Helvetica, sans-serif;
}
.url-row, .archive-search { display: flex; gap: 8px; }
.archive-search > .url-row { width: 100%; }
.url-row input, .archive-search input { flex: 1; min-height: 40px; }
.button, .tool-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid #888;
  color: var(--ink);
  background: var(--button);
  font-size: 13px;
  font-weight: normal;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
}
.button:hover, .tool-button:hover { background: var(--button-hover); }
.button.primary, .button.secondary { color: var(--ink); background: var(--button); }
.button.primary:hover, .button.secondary:hover { background: var(--button-hover); }
.home-options { margin-top: 18px; }
summary { width: fit-content; min-height: 40px; padding: 10px 0; cursor: pointer; }
.home-options > summary, .access-key > summary, .import-section > summary { color: var(--link); }
.options-content { padding: 0 0 4px 16px; }
.access-key { max-width: 520px; }
.access-key label, .import-form label { display: block; margin: 4px 0 12px; }
.access-key input, .import-form input { display: block; margin-top: 5px; }
.field-hint, .capture-hint { color: var(--muted); font-size: 12px; }
.field-hint { margin: 6px 0 12px; }
.import-section { max-width: 600px; }
.import-form { padding: 8px 12px 12px; border: 1px solid var(--line); }
.import-form input[type="file"] { padding: 7px; }
.form-error { margin-top: 12px; color: var(--accent); }
html[data-theme="dark"] .form-error { color: #ed817e; }

.archive-main > h1 { margin-bottom: 16px; font-size: 22px; }
.archive-list, .archive-grid { margin-top: 18px; }
.archive-card { padding: 14px 0; border-bottom: 1px solid var(--line); }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 4px; color: var(--muted); font-size: 11px; }
.archive-card h2 { margin: 0 0 4px; font: bold 16px/1.35 Arial, Helvetica, sans-serif; }
.card-url { overflow-wrap: anywhere; color: var(--muted); font-size: 12px; }
.card-url a { color: inherit; }
.card-bottom { margin-top: 4px; color: var(--muted); font-size: 11px; }
.search-caption { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; font-size: 12px; }
.search-caption p { margin: 0; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; font-size: 12px; }
.empty-state { padding: 20px 0; }
.empty-state h2 { font-size: 18px; }
.empty-state p { color: var(--muted); }

.snapshot-bar { padding: 0 12px 10px; border: 1px solid var(--line); background: var(--soft); }
.reader-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 12px; padding: 6px 0; }
.source-link { display: inline-flex; align-items: center; min-height: 40px; }
.reader-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.reader-tools form { margin: 0; }
.font-controls { display: flex; gap: 2px; }
.font-controls button { min-width: 40px; min-height: 40px; padding: 6px; border: 1px solid var(--line); background: var(--button); color: var(--ink); font-family: Georgia, serif; }
.font-controls button:hover { background: var(--button-hover); }
.download-menu { position: relative; }
.download-menu summary { min-height: 40px; padding: 10px 8px; white-space: nowrap; }
.download-menu > div { position: absolute; right: 0; top: 100%; z-index: 3; min-width: 170px; padding: 4px; border: 1px solid var(--line); background: var(--surface); }
.download-menu a { display: block; min-height: 40px; padding: 10px 8px; }
.download-menu a:hover { background: var(--soft); }
.snapshot-meta { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: baseline; gap: 5px 10px; margin: 4px 0 0; font-size: 12px; }
.snapshot-meta > div { display: contents; }
.snapshot-meta dt { color: var(--muted); }
.snapshot-meta dd { min-width: 0; margin: 0; overflow-wrap: anywhere; }
.snapshot-meta input { min-height: 32px; padding: 5px 7px; font-size: 12px; }
.edition-link { display: flex; align-items: center; gap: 8px; }
.edition-link input { flex: 1; }
.edition-history { margin-top: 8px; font-size: 12px; }
.edition-history summary { color: var(--link); }
.edition-history ol { list-style: none; margin: 0; padding: 0; }
.edition-history li { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 5px 0; border-top: 1px solid var(--line); }
.edition-history em { margin-left: 6px; color: var(--muted); font-size: 11px; font-style: normal; }
.reading-article { max-width: 720px; margin: 24px auto; }
.article-header { margin-bottom: 20px; }
.publication { display: inline-block; margin-bottom: 8px; font-size: 12px; }
.article-header h1 { margin: 0 0 12px; font: bold 32px/1.2 Georgia, 'Times New Roman', serif; overflow-wrap: anywhere; }
.article-deck { margin-bottom: 12px; color: var(--muted); font: 18px/1.5 Georgia, 'Times New Roman', serif; }
.article-byline { display: flex; flex-wrap: wrap; gap: 5px 14px; color: var(--muted); font-size: 12px; }
.article-warning { padding: 10px 12px; margin: 0 0 18px; border: 1px solid var(--line); background: var(--warning); font-size: 12px; }
.article-warning summary { min-height: 0; padding: 0; }
.article-warning ul { margin: 6px 0 0; padding-left: 18px; }
.article-warning p { margin: 6px 0 0; }
.article-content { font: var(--reader-size)/1.65 Georgia, 'Times New Roman', serif; overflow-wrap: anywhere; }
.article-content p { margin: 0 0 1em; }
.article-content h2 { font-size: 1.4em; margin: 1.5em 0 .5em; }
.article-content h3 { font-size: 1.2em; margin: 1.4em 0 .5em; }
.article-content h4, .article-content h5, .article-content h6 { line-height: 1.4; }
.article-content img { display: block; max-width: 100%; height: auto; margin: 20px auto; }
.article-content figure { margin: 24px 0; }
.article-content figcaption { margin-top: 6px; color: var(--muted); font: 12px/1.5 Arial, Helvetica, sans-serif; }
.article-content blockquote { margin: 24px 0; padding-left: 18px; border-left: 3px solid var(--line); color: var(--muted); }
.article-content pre { overflow: auto; padding: 12px; background: var(--soft); font-size: .75em; line-height: 1.5; }
.article-content code { font-size: .8em; }
.article-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: .85em; }
.article-content th, .article-content td { padding: 6px; border: 1px solid var(--line); }
.article-content hr { margin: 24px 0; border: 0; border-top: 1px solid var(--line); }
.article-content li { margin-bottom: .3em; }

.status-main { padding: 16px 20px; border: 1px solid var(--line); background: var(--soft); }
.status-main h1 { margin-bottom: 12px; font-size: 22px; }
.status-main h2 { margin-bottom: 8px; font-size: 18px; }
.status-url { margin-bottom: 16px; overflow-wrap: anywhere; color: var(--muted); }
.loading-line { height: 3px; margin: 16px 0; overflow: hidden; background: var(--line); }
.loading-line span { display: block; width: 40%; height: 100%; background: var(--accent); animation: loading 2s ease-in-out infinite; }
.loading-message { margin-bottom: 12px; }
.capture-failure { padding-top: 12px; margin-top: 12px; border-top: 1px solid var(--line); }
.alternative-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; font-size: 12px; }
.alternative-links a { display: inline-flex; align-items: center; min-height: 40px; }
.error-description { margin-bottom: 16px; }
.toast { position: fixed; bottom: 16px; left: 50%; z-index: 10; max-width: 90vw; padding: 10px 14px; border: 1px solid var(--line); background: var(--ink); color: var(--paper); transform: translateX(-50%); text-align: center; }
@keyframes loading { 0% { transform: translateX(-105%); } 100% { transform: translateX(360%); } }

@media (max-width: 792px) {
  .header-inner, .home-main, .archive-main, .reader-main, .status-main, .site-footer { margin-left: 16px; margin-right: 16px; }
  .header-inner { padding-top: 18px; }
  .home-main, .archive-main, .reader-main, .status-main { margin-top: 24px; }
}
@media (max-width: 480px) {
  .header-inner { align-items: flex-start; gap: 8px; }
  .header-inner nav { gap: 4px; }
  .wordmark { font-size: 32px; }
  .capture-box, .search-box { padding: 16px; }
  .url-row, .archive-search { flex-direction: column; }
  .url-row .button, .archive-search .button { width: 100%; }
  .reader-toolbar { align-items: flex-start; }
  .reader-tools { gap: 4px; }
  .reader-tools .button, .reader-tools .tool-button { padding: 8px 10px; }
  .snapshot-meta { grid-template-columns: 55px minmax(0, 1fr); gap: 6px; }
  .edition-link { flex-wrap: wrap; }
  .edition-link input { flex-basis: 100%; }
  .edition-history li { align-items: flex-start; }
  .edition-history li > span:last-child { text-align: right; }
  .article-header h1 { font-size: 28px; }
  .article-content { font-size: calc(var(--reader-size) - 1px); }
  .pagination .button { padding: 8px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .loading-line span { animation: none; width: 100%; opacity: .6; }
}
@media print {
  html, html[data-theme="dark"] { color-scheme: light; --paper: #fff; --surface: #fff; --ink: #111; --muted: #555; --line: #bbb; --soft: #fff; --link: #111; }
  .site-header, .site-footer, .snapshot-bar, .toast, .skip-link { display: none !important; }
  .reader-main, .reading-article { max-width: none; margin: 0; padding: 0; }
  .article-header h1 { font-size: 26pt; }
  .article-deck { font-size: 14pt; }
  .article-content { font-size: 11pt; line-height: 1.55; }
  .article-content h2 { font-size: 16pt; break-after: avoid; }
  .article-content h3 { font-size: 13pt; break-after: avoid; }
  .article-content a { color: #111; text-decoration: none; }
  .article-warning { color: #111; background: #fff; font-size: 9pt; }
  p { orphans: 3; widows: 3; }
}