/* ==========================================================================
   Auctionyx — offline documentation
   Plain CSS, no external resources. Works when opened straight from disk.
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-soft-2: #eef1f6;
  --line: #e5e8ef;
  --line-strong: #d6dbe6;
  --ink: #0e1320;
  --ink-soft: #3a4254;
  --ink-mute: #5f6776;
  --brand: #2563eb;
  --brand-2: #7c3aed;
  --brand-tint: #eef3ff;
  --gradient: linear-gradient(120deg, #2563eb 0%, #7c3aed 100%);
  --ok: #15803d;
  --ok-tint: #e9f7ef;
  --warn: #b45309;
  --warn-tint: #fff7e6;
  --danger: #b91c1c;
  --danger-tint: #fdecec;
  --code-bg: #f1f3f8;
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar: 290px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  color-scheme: light;
}

/* Dark palette: explicit choice, or the system setting when no choice was saved. */
:root[data-theme='dark'] {
  --bg: #0c1018;
  --bg-soft: #141a27;
  --bg-soft-2: #1b2230;
  --line: #283143;
  --line-strong: #34405a;
  --ink: #eef1f7;
  --ink-soft: #c2c9d6;
  --ink-mute: #98a2b5;
  --brand: #7aa2ff;
  --brand-2: #b18cff;
  --brand-tint: #17213a;
  --ok: #4ade80;
  --ok-tint: #10321f;
  --warn: #fbbf24;
  --warn-tint: #33260b;
  --danger: #f87171;
  --danger-tint: #3a1414;
  --code-bg: #182031;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0c1018;
    --bg-soft: #141a27;
    --bg-soft-2: #1b2230;
    --line: #283143;
    --line-strong: #34405a;
    --ink: #eef1f7;
    --ink-soft: #c2c9d6;
    --ink-mute: #98a2b5;
    --brand: #7aa2ff;
    --brand-2: #b18cff;
    --brand-tint: #17213a;
    --ok: #4ade80;
    --ok-tint: #10321f;
    --warn: #fbbf24;
    --warn-tint: #33260b;
    --danger: #f87171;
    --danger-tint: #3a1414;
    --code-bg: #182031;
    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--brand);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus {
  top: 12px;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 60px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--gradient);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}
.brand small {
  font-weight: 500;
  color: var(--ink-mute);
}
.topbar-spacer {
  flex: 1;
}
.version-pill {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-tint);
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.icon-btn:hover {
  border-color: var(--brand);
}
.menu-btn {
  display: none;
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  max-width: 1320px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 60px;
  align-self: start;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 24px 16px 40px 20px;
  border-right: 1px solid var(--line);
}
.sidebar h2 {
  margin: 0 0 8px 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}
.toc,
.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc > li {
  margin: 1px 0;
}
.toc a {
  display: block;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.45;
}
.toc a:hover {
  background: var(--bg-soft);
  color: var(--ink);
}
.toc ol a {
  padding-left: 24px;
  font-size: 13.5px;
  color: var(--ink-mute);
}
.toc a.is-active {
  background: var(--brand-tint);
  color: var(--brand);
  font-weight: 600;
}

.content {
  min-width: 0;
  padding: 40px 48px 96px;
  max-width: 900px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  padding: 40px 36px;
  margin-bottom: 40px;
  color: #fff;
  background: var(--gradient);
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4.5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
}
.hero p {
  margin: 0;
  max-width: 60ch;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.92);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.hero-meta span {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

/* ---------- Typography ---------- */
section.doc-section {
  padding-top: 8px;
  margin-bottom: 56px;
}
h2.section-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.section-num {
  font-size: 15px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h3 {
  margin: 36px 0 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
h4 {
  margin: 24px 0 8px;
  font-size: 16.5px;
}
p,
ul,
ol,
dl {
  margin: 0 0 16px;
}
li {
  margin: 4px 0;
}
.lead {
  font-size: 18px;
  color: var(--ink-soft);
}
strong {
  color: var(--ink);
}

code,
kbd,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
code {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  overflow-wrap: anywhere;
}
kbd {
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.85em;
}
pre {
  position: relative;
  margin: 0 0 20px;
  padding: 16px 18px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  line-height: 1.55;
  font-size: 13.5px;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  font: 600 12px var(--font-sans);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink-soft);
  cursor: pointer;
}
.copy-btn:hover {
  color: var(--brand);
  border-color: var(--brand);
}
.code-label {
  display: block;
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mute);
}

/* ---------- Tables ---------- */
.table-wrap {
  margin: 0 0 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.55;
}
th,
td {
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
thead th {
  background: var(--bg-soft);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  white-space: nowrap;
}
tbody tr:last-child td {
  border-bottom: 0;
}
td code {
  white-space: nowrap;
}

/* ---------- Callouts ---------- */
.callout {
  margin: 0 0 20px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  background: var(--brand-tint);
}
.callout > :last-child {
  margin-bottom: 0;
}
.callout-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}
.callout.tip {
  border-left-color: var(--ok);
  background: var(--ok-tint);
}
.callout.warn {
  border-left-color: var(--warn);
  background: var(--warn-tint);
}
.callout.danger {
  border-left-color: var(--danger);
  background: var(--danger-tint);
}

/* ---------- Steps ---------- */
ol.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}
ol.steps > li {
  position: relative;
  counter-increment: step;
  margin: 0 0 18px;
  padding-left: 46px;
}
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 0 0 22px;
}
.card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.card h4 {
  margin: 0 0 6px;
}
.card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------- Screenshots ---------- */
figure.shot {
  margin: 8px 0 26px;
}
figure.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.06);
}
figure.shot figcaption {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ink-mute);
}

/* ---------- Folder tree ---------- */
.tree {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre;
}
.tree .c {
  color: var(--ink-mute);
}

/* ---------- Definition lists / badges ---------- */
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 1px 9px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--ink-soft);
  white-space: nowrap;
}
.badge.live {
  background: var(--ok-tint);
  color: var(--ok);
}
.badge.soon {
  background: var(--brand-tint);
  color: var(--brand);
}
.badge.stop {
  background: var(--danger-tint);
  color: var(--danger);
}
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
}
.flow .arrow {
  color: var(--ink-mute);
}

details.faq {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 0 0 10px;
  background: var(--bg);
}
details.faq summary {
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
}
details.faq[open] summary {
  border-bottom: 1px solid var(--line);
}
details.faq .faq-body {
  padding: 12px 16px 2px;
}

.back-top {
  display: inline-block;
  margin-top: 8px;
  font-size: 13.5px;
}

footer.doc-footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-mute);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .menu-btn {
    display: inline-flex;
  }
  .layout {
    display: block;
  }
  .sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    z-index: 40;
    width: min(320px, 86vw);
    height: calc(100vh - 60px);
    background: var(--bg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    transform: translateX(-105%);
    transition: transform 0.2s ease;
  }
  body.nav-open .sidebar {
    transform: translateX(0);
  }
  .content {
    padding: 28px 16px 72px;
  }
  .hero {
    padding: 28px 22px;
  }
  .brand small {
    display: none;
  }
}
@media (max-width: 520px) {
  .version-pill {
    display: none;
  }
  .theme-label {
    display: none;
  }
}

/* ---------- Print ---------- */
@media print {
  :root,
  :root[data-theme='dark'] {
    --bg: #fff;
    --bg-soft: #f6f6f6;
    --ink: #000;
    --ink-soft: #222;
    --ink-mute: #444;
    --line: #ccc;
    --code-bg: #f4f4f4;
    color-scheme: light;
  }
  .topbar,
  .sidebar,
  .copy-btn,
  .back-top,
  .skip-link {
    display: none !important;
  }
  .layout {
    display: block;
  }
  .content {
    max-width: none;
    padding: 0;
  }
  .hero {
    color: #000;
    background: none;
    border: 2px solid #000;
  }
  .hero h1,
  .hero p {
    color: #000;
  }
  .hero-meta span {
    border-color: #000;
    background: none;
  }
  .section-num {
    color: #000;
    background: none;
  }
  section.doc-section {
    break-before: page;
  }
  section.doc-section:first-of-type {
    break-before: auto;
  }
  pre,
  table,
  figure,
  .callout {
    break-inside: avoid;
  }
  a {
    color: #000;
  }
  details.faq {
    break-inside: avoid;
  }
  details.faq .faq-body {
    display: block;
  }
}