/* Mepto documentation site — zeptojs.com-lookalike theme */

:root {
  --accent: #e80;
  --accent-dark: #c60;
  --text: #222;
  --muted: #666;
  --bg: #fdfcf8;
  --sidebar-bg: #f7f5ef;
  --border: #e3dfd2;
  --code-bg: #f4f1e8;
  --sidebar-width: 240px;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- Sidebar ---------- */

#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
  /* Containment scopes layout invalidation to the sidebar subtree (Kimi §7.2: contain:layout paint avoids whole-document recalc) */
  contain: layout paint;
}

.sidebar-inner {
  padding: 20px 0 40px;
}

#sidebar .brand {
  display: block;
  padding: 0 20px 16px;
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

#sidebar .brand::first-letter {
  color: var(--accent);
}

#sidebar h4 {
  margin: 18px 0 4px;
  padding: 0 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

#sidebar ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#sidebar li a {
  display: block;
  padding: 1px 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: #444;
  text-decoration: none;
  border-left: 3px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#sidebar li a:hover {
  color: var(--accent-dark);
  background: rgba(238, 136, 0, 0.08);
}

#sidebar li a.active {
  color: var(--accent-dark);
  border-left-color: var(--accent);
  background: rgba(238, 136, 0, 0.12);
  font-weight: 700;
}

#sidebar li a em {
  font-style: normal;
  color: #999;
  font-size: 11px;
}

/* ---------- Content ---------- */

#content {
  margin-left: var(--sidebar-width);
  padding: 40px 48px 80px;
  max-width: calc(960px + var(--sidebar-width));
  contain: layout paint;
}

.hero {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.hero h1 {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 52px;
  letter-spacing: -0.02em;
}

.hero h1::first-letter {
  color: var(--accent);
}

.hero .tagline {
  font-size: 19px;
  margin: 0 0 4px;
}

.hero .tagline-sub {
  font-size: 17px;
  color: var(--accent-dark);
  font-weight: 600;
  margin: 0 0 16px;
}

h2 {
  margin: 40px 0 12px;
  font-size: 26px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

h2.section-heading {
  margin-top: 56px;
  font-size: 30px;
  color: var(--accent-dark);
  border-bottom: 2px solid var(--accent);
}

.method {
  margin-bottom: 28px;
  /* Containment scopes each method's style/layout so toggling one doesn't recalc siblings (Kimi §7.2).
   * content-visibility:auto skipped: it would make $(target).offset().top estimates (intrinsic-size) inaccurate for the scroll-spy / anchor jumps. */
  contain: layout paint style;
}

h3 {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
}

h3 .sig {
  display: block;
  margin: 2px 0 0;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--muted);
  background: none;
  padding: 0;
}

p {
  margin: 8px 0;
}

a {
  color: var(--accent-dark);
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
}

pre.example {
  margin: 10px 0;
  padding: 12px 14px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
}

pre.example code {
  background: none;
  padding: 0;
}

ul {
  padding-left: 22px;
}

li {
  margin: 3px 0;
}

.tag {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 1px 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
}

.tag.deprecated {
  background: #999;
}

/* ---------- Modules table ---------- */

table.modules {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}

table.modules th,
table.modules td {
  text-align: left;
  padding: 7px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}

table.modules th {
  background: var(--sidebar-bg);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

table.modules tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.02);
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

/* ---------- Back to top ---------- */

#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 8px 14px;
  background: var(--text);
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.2s,
    visibility 0.2s;
  z-index: 200;
}

#back-to-top.visible {
  opacity: 0.85;
  visibility: visible;
}

#back-to-top:hover {
  background: var(--accent-dark);
}

/* ---------- Hamburger (mobile only) ---------- */

#menu-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  width: 42px;
  height: 38px;
  padding: 9px 8px;
  background: var(--text);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#menu-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: #fff;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  #menu-toggle {
    display: block;
  }

  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: none;
  }

  #sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.2);
  }

  #content {
    margin-left: 0;
    padding: 24px 20px 64px;
  }

  .hero h1 {
    font-size: 40px;
  }
}