/* ==========================================================================
   Chrome DevTools Protocol Viewer - Material Design Theme
   Authentic styling matching origin/master and vanilla-protocol-viewer
   ========================================================================== */

:root {
  --header-height: 50px;
  --sidebar-width: 200px;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #202124;
  --color-text-secondary: #5f6368;
  --color-border: rgba(0, 0, 0, 0.12);
  --color-header: #3f51b5;
  --color-header-text: #ffffff;
  --color-hover: rgba(225, 245, 254, 0.5);
  --color-active: rgb(225, 245, 254);
  --color-primary: #3f51b5;
  --color-link: hsl(232, 50%, 45%);
  --elevation-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
    'Helvetica Neue', Arial, sans-serif;
  --font-mono:
    ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  --parameters-grid-template-columns: minmax(190px, max-content) 1fr;
}

* {
  box-sizing: border-box;
}

body {
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  padding: 0;
  margin: 0;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

p {
  margin: 0 0 14px 0;
  font-size: 15px;
  line-height: 1.65;
  text-wrap: pretty;
}

h1,
h2,
h3,
h4,
h5 {
  color: var(--color-text);
  margin-top: 0;
  line-height: 1.3;
  text-wrap: balance;
}

h1 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
  text-wrap: balance;
}

h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.2px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

:is(h2, h3, h4, h5) {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

h3 {
  font-size: 19px;
  font-weight: 500;
  margin: 32px 0 14px 0;
  color: #3c4043;
  letter-spacing: -0.1px;
}

h4 {
  margin: 0 0 8px 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.4;
}

h5 {
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-size: 11px;
  margin: 18px 0 8px 0;
  line-height: 1.3;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  color: var(--color-text);
  font-size: 0.92em;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 1.5px 5px;
  border-radius: 3px;
}

pre {
  background-color: #f8f9fa;
  border-radius: 4px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  margin: 16px 0;
}

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

figure.screenshot {
  margin: 20px 0 28px 0;
  text-align: center;
}

figure.screenshot a {
  display: block;
  text-align: center;
}

figure.screenshot img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  box-shadow: var(--elevation-shadow);
}

/* ==========================================================================
   Toolbar Header (50px) - Indigo Theme
   ========================================================================== */

.toolbar-header {
  height: var(--header-height);
  background-color: var(--color-header);
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}

.drawer-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: #ffffff;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  align-items: center;
  justify-content: center;
}

.drawer-toggle:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 400;
  font-size: 18px;
  text-decoration: none;
  user-select: none;
}

.brand-link:hover {
  text-decoration: none;
  color: #ffffff;
}

.brand-title {
  white-space: nowrap;
}

.header-center {
  flex: 1;
  max-width: 520px;
  margin: 0 20px;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.52);
  padding: 0 0 3px 0;
  transition: border-bottom-color 0.2s ease;
}

.search-box:focus-within {
  border-bottom-color: #ffffff;
}

.search-box input[type='search'] {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-family: inherit;
  font-size: 18px;
  color: #ffffff;
  text-align: center;
  width: 100%;
}

.search-box input[type='search']::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-box input[type='search']::-webkit-search-cancel-button {
  cursor: pointer;
  filter: invert(1);
}

.search-kbd,
.inline-kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  padding: 0 5px;
  line-height: 18px;
  user-select: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toolbar-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px;
  border-radius: 4px;
}

.toolbar-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.toolbar-icon.github {
  filter: brightness(0) invert(1);
  opacity: 0.85;
  transition: opacity 0.15s;
}

.toolbar-link:hover .toolbar-icon.github {
  opacity: 1;
}

/* ==========================================================================
   Sidebar Navigation (200px)
   ========================================================================== */

#sidebar {
  background-color: var(--color-surface);
  position: fixed;
  width: var(--sidebar-width);
  top: var(--header-height);
  bottom: 0;
  left: 0;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  overflow-x: hidden;
}

.domain-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
}

.sidebar-footer {
  padding: 8px 10px;
  border-top: 1px solid var(--color-border);
  background-color: #fafafa;
}

.target-selector {
  width: 100%;
  padding: 4px 6px;
  font-family: inherit;
  font-size: 12px;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.target-selector:focus {
  border-color: #3f51b5;
}

#sidebar .domain-link {
  text-decoration: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-text);
  line-height: 24px;
  min-height: 38px;
  padding: 0 16px;
  border-left: 10px solid transparent;
  cursor: pointer;
}

#sidebar .domain-link:hover {
  background-color: var(--color-hover);
  text-decoration: none;
}

#sidebar .active-link {
  font-weight: bold;
  background-color: rgb(225, 245, 254);
  color: #1a237e;
}

#sidebar .domain-link.experimental-bg {
  border-left-color: #e5737399;
}

#sidebar .domain-link.deprecated-bg {
  border-left-color: #ffcc8099;
}

.sidebar-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 6px 0;
}

#sidebar .domain-link.sidebar-meta-link {
  font-size: 13px;
  color: var(--color-text-secondary);
  border-left-width: 0;
  padding: 0 16px;
  min-height: 34px;
}

#sidebar .domain-link.sidebar-meta-link:hover {
  color: var(--color-text);
}

#sidebar .domain-link.sidebar-meta-link.active-link {
  color: #1a237e;
  font-weight: 600;
  background-color: rgb(225, 245, 254);
}

/* ==========================================================================
   Main Content Area & Material Elevation Cards
   ========================================================================== */

#content {
  background-color: var(--color-bg);
  position: absolute;
  left: var(--sidebar-width);
  top: var(--header-height);
  bottom: 0;
  right: 0;
  overflow-y: auto;
  outline: none;
}

.domain {
  padding: 24px 36px 40px 36px;
  max-width: 1040px;
  margin: 0 auto;
}

.box {
  width: 100%;
  max-width: 1000px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.04);
  margin: 0 auto 28px auto;
  background-color: var(--color-surface);
  overflow: hidden;
}

.box-content {
  padding: 20px 28px;
}

.method,
.type {
  padding: 20px 28px;
}

.method:not(:last-child),
.type:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.method h4,
.type h4 {
  font-size: 15.5px;
  font-weight: 500;
  margin: 0 0 10px 0;
  padding: 0;
  line-height: 1.4;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.domain-padding {
  height: 80px;
  display: flex;
  font-size: 20px;
  align-items: center;
  color: #3f51b5;
  opacity: 0.12;
  justify-content: center;
}

/* Table of Contents */
.domain-toc {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.toc-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-section-heading {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
}

.toc-section-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.1px;
}

.toc-section-link:hover {
  text-decoration: underline;
  color: var(--color-primary);
}

.toc-entries {
  columns: 320px;
  column-gap: 16px;
  margin: 0;
  padding: 0;
}

.toc-link {
  display: inline-flex;
  align-items: center;
  break-inside: avoid;
  margin-bottom: 6px;
  max-width: 100%;
  padding: 3px 8px;
  background-color: #f8f8f8;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 4px;
  font-size: 12.5px;
  line-height: 1.4;
  box-sizing: border-box;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
  margin-right: 8px;
}

.toc-link a {
  color: #374151;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.toc-link:hover {
  background-color: #e8eaf6;
  border-color: #c5cae9;
}

.toc-link:hover a {
  color: #1a237e;
  text-decoration: none;
}

.toc-link span.experimental,
.toc-link span.deprecated {
  font-size: 9px;
  line-height: 1;
  font-weight: 700;
  padding: 1px 4px;
  margin-left: 5px;
  border-radius: 2px;
  letter-spacing: 0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.method,
.type,
#methods,
#events,
#types {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.method-domain {
  color: #757575;
  font-weight: 400;
}

.method-name {
  color: #202124;
  font-weight: 600;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.hbox {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.vbox {
  display: flex;
  flex-direction: column;
}

.monospace {
  font-family: var(--font-mono);
}

.text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
}

.experimental-bg {
  background-color: rgba(255, 212, 212, 0.2);
}

.deprecated-bg {
  background-color: rgba(255, 249, 187, 0.2);
}

/* ==========================================================================
   Protocol Renderer Classes
   ========================================================================== */

.parameter-list {
  padding: 4px 0 6px 0;
  display: grid;
  grid-template-columns: var(--parameters-grid-template-columns);
  gap: 8px 16px;
  margin: 0;
}

.parameter {
  border-left: 3px solid transparent;
  align-items: baseline;
}

.parameter-name {
  text-align: right;
  color: #202124;
  overflow-wrap: break-word;
  padding: 4px 10px 4px 0;
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.5;
}

.parameter-value {
  overflow: hidden;
  padding: 4px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.parameter-type {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #3f51b5;
  font-size: 13.5px;
  line-height: 1.4;
}

.parameter-description {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text);
}

.enum-values {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.enum-values code {
  color: var(--color-text);
  background-color: #f1f3f4;
  border: 1px solid #dadce0;
  font-weight: 500;
  white-space: nowrap;
}

.optional::after {
  content: 'optional';
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-style: italic;
  margin-top: 2px;
}

.title-link {
  margin-left: 8px;
  display: none;
  color: var(--color-text-secondary);
  font-size: 0.85em;
  font-family: var(--font-sans);
  font-weight: 400;
  text-decoration: none;
  vertical-align: middle;
  padding: 0 4px;
  border-radius: 4px;
  transition: color 0.15s ease, transform 0.1s ease, background-color 0.15s ease;
}

:is(h2, h3, h4, h5):hover .title-link,
.title-link:focus-visible {
  display: inline-block;
  user-select: none;
}

.title-link:hover {
  color: var(--color-primary);
  background-color: var(--color-hover);
  text-decoration: none;
}

.title-link:active {
  color: var(--color-primary);
  background-color: var(--color-active);
  transform: scale(1.15);
}

/* Anchor Target & Deep-link Highlight Animation */
@keyframes target-highlight {
  0% {
    background-color: oklch(90% 0.08 250 / 0.5);
    outline: 2px solid oklch(65% 0.15 250 / 0.45);
    outline-offset: 4px;
    border-radius: 4px;
  }
  60% {
    background-color: oklch(94% 0.04 250 / 0.25);
    outline: 2px solid oklch(65% 0.15 250 / 0.2);
  }
  100% {
    background-color: transparent;
    outline: 2px solid transparent;
    outline-offset: 4px;
  }
}

:target,
.target-highlight {
  animation: target-highlight 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  :target,
  .target-highlight {
    animation: none;
  }
}

/* Badges & Entity Icons */
span.experimental,
span.deprecated {
  font-size: 10px;
  line-height: 12px;
  text-transform: uppercase;
  background-color: #d32f2f;
  padding: 2px 5px;
  cursor: help;
  color: white;
  vertical-align: middle;
  font-weight: 600;
  letter-spacing: 0.4px;
  font-family: var(--font-sans);
  margin-left: 8px;
  user-select: none;
  border-radius: 3px;
  display: inline-block;
}

span.deprecated {
  background-color: #e65100;
}

/* Domain-level badging: if the whole domain is experimental or deprecated,
   badge the top card heading and suppress redundant per-item badges inside */
.domain-experimental span.experimental {
  display: none;
}

.domain-experimental h2 span.experimental,
.domain-experimental .domain-title-heading span.experimental {
  display: inline-block;
}

.domain-deprecated span.deprecated {
  display: none;
}

.domain-deprecated h2 span.deprecated,
.domain-deprecated .domain-title-heading span.deprecated {
  display: inline-block;
}

/* Badge inside h2: strictly controlled proportions (no more giant 17px badge) */
h2 span.experimental,
h2 span.deprecated,
.domain-title-heading span.experimental,
.domain-title-heading span.deprecated {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  vertical-align: middle;
  line-height: normal;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 10px;
}

/* Entity Icons - Solid high-contrast accessible chips (WCAG AA compliant) */
.entity-icon {
  vertical-align: middle;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px;
  font-size: 11px;
  color: #ffffff;
  border-radius: 3px;
  user-select: none;
  font-weight: 600;
  letter-spacing: 0.3px;
  line-height: 14px;
  margin-right: 8px;
}

/* Solid darker amber with white text: passes WCAG AA (> 6.2:1 contrast) */
.entity-icon-method {
  background-color: #8c5000;
}

/* Solid green with white text: passes WCAG AA (5.14:1 contrast) */
.entity-icon-event {
  background-color: #2e7d32;
}

/* Solid purple with white text: passes WCAG AA (6.7:1 contrast) */
.entity-icon-type {
  background-color: #7b1fa2;
}

/* ==========================================================================
   References ("Used by")
   ========================================================================== */

.references-list {
  list-style-type: none;
  padding-left: 16px;
  margin: 8px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.references-list li {
  display: flex;
  align-items: center;
  font-size: 13.5px;
  line-height: 1.5;
}

.reference-icon {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin-left: 8px;
  flex-shrink: 0;
}

/* Subdued secondary badges for backlinks to avoid competing with h4 title badges */
.references-list .entity-icon {
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.2;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 0;
  letter-spacing: 0.2px;
}

.references-list .entity-icon-method {
  background-color: #fef7e0;
  color: #7a4100;
  border: 1px solid #f2dd9d;
}

.references-list .entity-icon-event {
  background-color: #e6f4ea;
  color: #137333;
  border: 1px solid #ceead6;
}

.references-list .entity-icon-type {
  background-color: #f3e8fd;
  color: #681da8;
  border: 1px solid #e1bee7;
}

/* ==========================================================================
   Search Overlay & Results
   ========================================================================== */

#sresults {
  display: none;
  background-color: #ffffff;
  position: absolute;
  left: var(--sidebar-width);
  top: var(--header-height);
  bottom: 0;
  right: 0;
  overflow-y: auto;
  border-top: 2px solid rgba(51, 51, 51, 0.52);
  z-index: 90;
}

#sresults .search-item {
  padding: 6px 12px;
  align-items: center;
  cursor: pointer;
  border-bottom: 1px solid rgba(51, 51, 51, 0.12);
}

#sresults .search-item.selected {
  background-color: #e3f2fd;
}

#sresults .search-item:hover {
  background-color: var(--color-hover);
}

#sresults .search-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

#sresults .search-item-title-domain {
  color: hsla(0, 0%, 57%, 1);
}

#sresults .search-item-icon {
  margin: 8px 14px 8px 6px;
  width: 50px;
  text-align: center;
  flex-shrink: 0;
  flex-grow: 0;
}

#sresults .search-item-main {
  flex: 1 1 auto;
  max-width: 1000px;
  overflow: hidden;
}

#sresults .search-item-description {
  font-size: 90%;
  color: var(--color-text-secondary);
}

.search-highlight {
  background-color: #fff0a6;
  font-weight: 600;
}

.search-results-message {
  margin: 30px auto;
  max-width: 500px;
  text-align: center;
  color: var(--color-text-secondary);
}

.custom-search-result {
  justify-content: center;
  height: 48px;
  color: #3f51b5;
  font-weight: 500;
}

.landing-footer-note {
  margin-top: 2rem;
  color: var(--color-text-secondary);
  font-size: 12px;
}

/* ==========================================================================
   Mobile Responsive Drawer (<= 800px)
   ========================================================================== */

@media (max-width: 800px) {
  .drawer-toggle {
    display: inline-flex;
  }

  #sidebar {
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    left: 0;
    width: 260px;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0, 0, 0.2, 1);
    z-index: 150;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.25);
  }

  body.drawer-open #sidebar {
    transform: translateX(0);
  }

  .drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 140;
    display: none;
  }

  body.drawer-open .drawer-backdrop {
    display: block;
    opacity: 1;
  }

  #content {
    left: 0;
    padding: 8px;
  }

  .domain {
    padding: 16px 12px 32px 12px;
  }

  .box-content,
  .method,
  .type {
    padding: 16px;
  }

  .parameter-list {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .parameter-name {
    text-align: left;
    padding: 4px 0 0 0;
  }

  .parameter-value {
    padding: 0 0 8px 0;
  }

  .toc-entries {
    columns: 260px;
    column-gap: 12px;
  }

  #sresults {
    left: 0;
  }

  .header-left {
    min-width: unset;
  }
}

@media (max-width: 480px) {
  .brand-title {
    display: none;
  }

  .toc-entries {
    columns: 1;
    column-gap: 0;
  }
}