/* ==========================================================================
   Disk Benchmark (D-Bench) - Classic Stylesheet
   Maintains the vintage 90s/2000s look while adding:
   - Responsive layout (mobile-friendly)
   - Accessibility (focus states, skip link, contrast)
   - Print styles
   - Better typography & spacing
   - Cleaner organisation
   ========================================================================== */

/* ---- Reset (light, classic-friendly) ---- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a img { border: 0; }

/* ---- Base typography ---- */
body {
  background-color: #f3f3f3;
  color: #000000;
  font-family: "Times New Roman", Times, "Liberation Serif", serif;
  font-size: 16px;
  line-height: 1.5;
  padding: 8px;
}

/* Classic page container - keeps the table-like feel but responsive */
.page {
  max-width: 1100px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #c8c8c8;
  padding: 16px 20px 24px;
}

/* ---- Header (logo + title) ---- */
.header {
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid #c8c8c8;
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.header .logo { flex: 0 0 80px; }
.header .logo img { width: 80px; height: 80px; }
.header .titles { flex: 1 1 auto; min-width: 0; }
.header .title-main {
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  font-size: 22px;
  font-weight: bold;
  color: #000000;
  line-height: 1.2;
  margin: 0;
}
.header .title-sub {
  font-family: "Times New Roman", Times, serif;
  font-size: 16px;
  font-style: italic;
  color: #0000FF;
  margin: 4px 0 0 0;
}
.header .title-help {
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  font-size: 22px;
  font-weight: bold;
  color: #000000;
  margin: 0;
  line-height: 1.2;
}
.header .title-help .help-tag {
  color: #FF0000;
  font-weight: bold;
}

/* ---- Section headings ---- */
h1, h2, h3, h4 {
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  color: #000000;
  margin: 16px 0 8px;
}
.section-title {
  font-size: 20px;
  font-weight: bold;
  margin: 18px 0 8px;
}
.sub-title {
  font-size: 16px;
  font-weight: bold;
  margin: 12px 0 6px;
}

/* ---- Links (classic blue/red) ---- */
a:link    { color: #0000FF; }
a:visited { color: #0000FF; }
a:hover   { color: #FF0000; }
a:active  { color: #0000FF; }

/* Visible focus ring for keyboard users (accessibility) */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #0000FF;
  outline-offset: 2px;
  background: #FFFFCC;
}

/* ---- Skip-to-content link (a11y, hidden until focused) ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #0000FF;
  color: #FFFFCC;
  padding: 8px 12px;
  z-index: 1000;
  font-weight: bold;
  text-decoration: none;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
  color: #FFFFFF;
}

/* ---- Quick navigation list (homepage) ---- */
.quick-nav {
  font-size: 16px;
  margin: 12px 0 16px;
  padding-left: 0;
  list-style: none;
}
.quick-nav li { margin: 4px 0; padding-left: 12px; }
.quick-nav .updated {
  color: #FF0000;
  font-size: 13px;
  font-style: italic;
  margin-left: 6px;
}

/* ---- Section divider ---- */
hr {
  border: none;
  border-top: 1px solid #c8c8c8;
  margin: 18px 0;
}

/* ---- Classic tables ---- */
table.classic {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #999999;
  margin: 10px 0;
}
table.classic th,
table.classic td {
  border: 1px solid #999999;
  padding: 6px 8px;
  vertical-align: top;
  text-align: left;
}
table.classic th {
  background-color: #FFFFCC;
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  font-weight: bold;
}
/* Alternating row tint (preserves the old #CCCCCC look) */
table.classic tr:nth-child(even) td { background-color: #ECECEC; }
table.classic tr:nth-child(odd)  td { background-color: #FFFFFF; }

/* Banner row inside download tables */
table.classic .banner td {
  background-color: #FFFFCC !important;
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  font-weight: bold;
  text-align: center;
}

/* ---- Download table specific ---- */
.dl-table .theme-name {
  text-align: center;
  font-weight: bold;
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  width: 23%;
}
.dl-table .theme-shot { width: 37%; text-align: center; }
.dl-table .theme-shot img {
  width: 100%;
  max-width: 220px;
  margin: 0 auto;
  border: 1px solid #999999;
}
.dl-table .theme-dl   { width: 40%; text-align: center; }
.dl-table .theme-dl a {
  display: inline-block;
  margin: 4px 0;
}

/* ---- Screenshot gallery ---- */
.shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 10px 0;
}
.shots figure { margin: 0; }
.shots img {
  width: 100%;
  border: 1px solid #999999;
}
.shots figcaption {
  font-size: 13px;
  font-style: italic;
  color: #444;
  text-align: center;
  margin-top: 4px;
}

/* ---- Anchors offset so sticky headers don't cover targets ---- */
:target { scroll-margin-top: 16px; }

/* ---- Inline code-style highlight (used in help) ---- */
.code-like {
  font-family: "Courier New", "Liberation Mono", monospace;
  color: #CC0000;
  font-weight: bold;
  background: #FAFAFA;
  padding: 0 2px;
}
pre.code-block {
  font-family: "Courier New", "Liberation Mono", monospace;
  color: #CC0000;
  font-weight: bold;
  background: #FAFAFA;
  border: 1px solid #CCCCCC;
  padding: 10px 12px;
  white-space: pre;
  overflow-x: auto;
}

/* ---- Callout / tip box ---- */
.callout {
  border: 1px solid #CCCCCC;
  background: #FFFFEE;
  padding: 8px 12px;
  margin: 10px 0;
}
.callout .label {
  color: #FF0000;
  font-weight: bold;
  margin-right: 4px;
}

/* ---- Table of contents (help page) ---- */
.toc {
  background: #FAFAFA;
  border: 1px solid #CCCCCC;
  padding: 10px 16px 10px 32px;
  margin: 10px 0;
}
.toc ol { margin: 0; padding-left: 18px; }
.toc li { margin: 2px 0; }

/* ---- Footer ---- */
.footer {
  font-size: 13px;
  color: #333;
  text-align: left;
  border-top: 1px solid #c8c8c8;
  margin-top: 20px;
  padding-top: 10px;
}

/* ---- 404 page ---- */
.notfound {
  text-align: center;
  padding: 30px 10px;
}
.notfound .big {
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  font-size: 26px;
  font-weight: bold;
  color: #000000;
  letter-spacing: 1px;
}
.notfound .small {
  font-size: 14px;
  color: #555;
  margin: 8px 0 16px;
}
.notfound .back {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid #0000FF;
  background: #FFFFCC;
  text-decoration: none;
  font-weight: bold;
}
.notfound .back:hover { color: #FF0000; border-color: #FF0000; }

/* ---- Back-to-top link (help page, long doc) ---- */
.back-top {
  font-size: 13px;
  text-align: right;
  margin: 8px 0;
}

/* ==========================================================================
   Responsive — keeps the classic look but adapts on small screens
   ========================================================================== */
@media (max-width: 760px) {
  body { font-size: 15px; padding: 4px; }
  .page { padding: 10px 12px 18px; }

  .header { flex-wrap: wrap; gap: 10px; }
  .header .logo { flex-basis: 64px; }
  .header .logo img { width: 64px; height: 64px; }
  .header .title-main,
  .header .title-help { font-size: 18px; }
  .header .title-sub { font-size: 14px; }

  /* Stack the two-column download tables on mobile */
  .dl-table .theme-name,
  .dl-table .theme-shot,
  .dl-table .theme-dl {
    display: block;
    width: 100% !important;
  }
  .dl-table tr {
    display: block;
    margin-bottom: 12px;
    border: 1px solid #999999;
  }
  .dl-table td {
    display: block;
    border: none;
    border-bottom: 1px dashed #CCCCCC;
    text-align: center !important;
  }
  .dl-table .theme-shot img { max-width: 200px; }

  /* Screenshot gallery becomes single column */
  .shots { grid-template-columns: 1fr; }

  /* Other wide classic tables become horizontally scrollable
     so we don't destroy their layout, just allow panning */
  table.classic:not(.dl-table) {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  table.classic:not(.dl-table) th,
  table.classic:not(.dl-table) td {
    white-space: normal;
    min-width: 120px;
  }

  /* Quick nav: tighter */
  .quick-nav li { padding-left: 6px; }
}

/* ==========================================================================
   Print styles
   ========================================================================== */
@media print {
  body { background: #ffffff; padding: 0; font-size: 12pt; }
  .page { border: none; max-width: 100%; padding: 0; }
  a { color: #000000; text-decoration: underline; }
  .skip-link, .back-top { display: none; }
  table.classic tr:nth-child(even) td { background: transparent; }
  table.classic th { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  hr { page-break-after: avoid; }
}

/* ==========================================================================
   SEO / a11y helper utilities
   ========================================================================== */

/* Visually hide but keep available to screen readers */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Intro paragraph on homepage ---- */
.intro {
  font-size: 16px;
  background: #FAFAFA;
  border-left: 3px solid #0000FF;
  padding: 10px 14px;
  margin: 10px 0 16px;
  line-height: 1.55;
}

/* ---- FAQ accordion (classic look using <details>) ---- */
details {
  border: 1px solid #CCCCCC;
  background: #FFFFFF;
  margin: 6px 0;
  padding: 0;
}
details > summary {
  cursor: pointer;
  padding: 8px 12px;
  background: #FFFFCC;
  font-family: "Arial", "Helvetica", "Liberation Sans", sans-serif;
  list-style: square inside;
  user-select: none;
}
details > summary::-webkit-details-marker { color: #0000FF; }
details[open] > summary {
  border-bottom: 1px solid #CCCCCC;
}
details > summary:hover { color: #FF0000; }
details > p {
  margin: 0;
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.55;
}

/* ---- Footer navigation ---- */
.footer-nav {
  font-size: 13px;
  margin-bottom: 6px;
}
.footer-nav a {
  margin: 0 4px;
}

/* ---- About section spacing ---- */
#about p { line-height: 1.6; }
#about h3 { margin-top: 16px; }

/* ---- Inline code (small inline <code>) ---- */
:not(pre) > code {
  font-family: "Courier New", "Liberation Mono", monospace;
  background: #FAFAFA;
  border: 1px solid #E0E0E0;
  padding: 0 4px;
  font-size: 0.92em;
  color: #CC0000;
}