/* ===================================================
   Design Tokens & Global Styles — Resonance Labs
   =================================================== */

@import url('fonts.css');

:root {

  /* ---- Primitive palette (monochrome) ---- */
  --black:    #111;
  --gray-950: #222;
  --gray-900: #333;
  --gray-800: #444;
  --gray-700: #555;
  --gray-600: #666;
  --gray-500: #767676;
  --gray-400: #999;
  --gray-300: #ccc;
  --gray-200: #ddd;
  --gray-150: #eee;
  --gray-100: #f5f5f5;
  --gray-50:  #f9f9f9;
  --gray-25:  #fcfcfc;
  --white:    #fefefe;

  /* ---- Semantic: text ---- */
  --text-color:         var(--gray-800);
  --text-color-strong:  var(--gray-950);
  --text-color-muted:   var(--gray-700);
  --text-color-subtle:  var(--gray-600);
  --text-color-faint:   var(--gray-400);
  --text-color-inverse: var(--white);

  /* ---- Semantic: surfaces ---- */
  --surface-color:       var(--white);
  --surface-muted:       var(--gray-100);
  --surface-subtle:      var(--gray-150);
  --surface-hover:       var(--gray-200);
  --background-color:    rgb(246, 248, 250);

  /* ---- Semantic: borders ---- */
  --border-color:        var(--gray-300);
  --border-color-strong: var(--gray-600);
  --border-color-input:  var(--gray-500);

  /* ---- Semantic: interactive ---- */
  --focus-color:           var(--gray-950);
  --primary-color:         var(--gray-950);
  --primary-color-hover:   var(--gray-900);
  --primary-color-inverse: var(--white);
  --secondary-color:       var(--gray-100);
  --secondary-color-hover: var(--gray-200);
  --hover-color:           var(--black);

  /* ---- Alert colors ---- */
  --alert-yellow:         rgb(255, 235, 179);
  --alert-yellow-dark:    rgb(113, 70, 1);
  --alert-yellow-surface: rgb(251 250 245);
  --alert-red:            rgb(205, 0, 0);
  --alert-red-surface:    rgb(253, 244, 244);
  --alert-blue:           rgb(0, 159, 217);
  --alert-blue-surface:   rgb(243, 246, 255);
  --alert-green:          rgb(45, 183, 131);
  --alert-green-surface:  rgb(245, 251, 248);

  /* ---- Semantic: misc ---- */
  --color-underlined: 34, 34, 34;

  /* ---- Spacing / typography ---- */
  --border-radius:       0;
  --transition-duration: 0.3s;
  --font-size-base:      16px;
  --font-size-large:     18px;
  --font-size-small:     14px;
  --font-size-xsmall:    12px;

  /* ---- Font families ---- */
  --font-primary: 'Geist', 'Graphik', 'Work Sans', Arial, sans-serif;
  --font-mono:    'Geist Mono', 'JetBrains Mono', 'Courier New', monospace;

  /* ---- Font weights ---- */
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
}

/* ── Three-column layout (component pages) ── */
.page-layout {
  display: grid;
  grid-template-columns: 200px 1fr 180px;
  gap: 2rem;
  align-items: start;
}

.page-layout > main {
  min-width: 0;
  max-width: 40rem;
  width: 100%;
  justify-self: center;
}

/* Left nav */
.sidebar-left {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: visible;
  font-size: var(--font-size-small);
  display: flex;
  flex-direction: column;
}

.sidebar-left__skip {
  position: absolute;
  left: -9999px;
  top: auto;
  font-size: var(--font-size-small);
  font-family: var(--font-primary);
  padding: 0.35rem 0.75rem;
  background: var(--surface-color);
  color: var(--text-color-strong);
  border: 1px solid var(--border-color);
  text-decoration: none;
  white-space: nowrap;
  z-index: 100;
}

.sidebar-left__skip:focus {
  position: static;
  left: auto;
}

.sidebar-left__scroll {
  flex: 1;
  overflow-y: auto;
  padding-right: 0.5rem;
  padding-bottom: 1rem;
}

.sidebar-left__group {
  font-size: var(--font-size-xsmall);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color-muted);
  margin: 1.25rem 0 0.25rem;
}

.sidebar-left__group:first-child {
  margin-top: 0;
}

.sidebar-left__list {
  list-style: none;
  padding: 0 0 0 6px;
  margin: 0;
}

.sidebar-left__list li {
  margin: 0;
}

.sidebar-left__link {
  display: block;
  padding: 0.25rem 0.5rem;
  color: var(--text-color);
  text-decoration: none;
  line-height: 1.4;
}

.sidebar-left__link:focus-visible,
.sidebar-left__skip:focus-visible {
  outline: 2px solid var(--focus-color);
  outline-offset: 2px;
}

.sidebar-left__link:hover {
  background: var(--surface-muted);
  color: var(--hover-color);
}

.sidebar-left__link--active {
  font-weight: 600;
  color: var(--text-color-strong);
  background: var(--surface-subtle);
}

/* Right TOC */
.sidebar-right {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  font-size: var(--font-size-small);
}

.sidebar-right__heading {
  font-size: var(--font-size-xsmall);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color-muted);
  margin-bottom: 0.5rem;
}

.sidebar-right__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--border-color);
}

.sidebar-right__list li {
  margin: 0;
}

.sidebar-right__link {
  display: block;
  padding: 0.25rem 0.75rem;
  color: var(--text-color-subtle);
  text-decoration: none;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -2px;
}

.sidebar-right__link:hover {
  color: var(--text-color-strong);
}

.sidebar-right__link--active {
  color: var(--text-color-strong);
  border-left-color: var(--primary-color);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

  .sidebar-left,
  .sidebar-right {
    display: none;
  }

  .page-layout > main {
    max-width: 100%;
  }
}

/* Global resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--background-color);
  color: var(--text-color);
  max-width: 90rem;
  margin: 0 auto;
  padding: 2rem;
}

/* Utility classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Focus outline for accessibility */
:focus {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

h1 {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

h2 {
  font-size: 1.375rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.component-tagline {
  color: var(--text-color-subtle);
  margin-top: 0.25rem;
  max-width: 75ch;
}

ul, ol{
  padding: 0 1rem;
}

li {
  margin: 0.5rem 0;
}

a {
  color: var(--primary-color);
}

a:hover {
  color: var(--hover-color);
}

a.link-underlined {
  text-decoration: none;
  position: relative;
}

a.link-underlined:before {
  content: "";
  position: absolute;
  bottom: -0.2em;
  left: 0;
  width: 100%;
  height: 2px;
  background-repeat: no-repeat;
  background-image: linear-gradient(to right, rgb(var(--color-underlined)) 45%, rgba(var(--color-underlined), 0.3) 55%);
  background-size: 220% 100%;
  background-position: 100% 50%;
  transition: 0.3s ease-out;
}
a.link-underlined:hover:before {
  background-position: 0 50%;
}

main > .section:first-child:not(.rwb-hero),
main > section:first-child:not(.rwb-hero) {
  margin-top: 0;
  padding-top: 0;
}

.section,
main > section {
  margin-top: 2rem;
  padding: 1.5rem 0 0;
}



.section:has(.code-tabs),
.section:has(.mount),
main > section:has(.code-tabs),
main > section:has(.mount) {
  border-top: none;
}

.mount .section,
.mount section {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

/* Demo area */
.mount {
  background-color: var(--white);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 2rem;
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 240px;
  overflow-x: auto;
}

.mount > * {
  width: 34%;
  min-width: min(375px, 100%);
}

.mount > .card-list {
  width: 80%;
  min-width: min(375px, 100%);
}

.mount > .link-demo {
  width: 65%;
  min-width: min(375px, 100%);
}

/* Demo variant tabs — sit above the .mount canvas, outside the bordered area */
.demo-tabs {
  display: flex;
  gap: 0;
  margin-top: 1rem;
}

.demo-tabs + .mount {
  margin-top: 0;
  border-top-left-radius: 0;
}

.demo-tabs__tab {
  font-size: var(--font-size-small);
  padding: 0.5rem 1.25rem 0.5rem 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  color: var(--text-color-subtle);
  transition: color var(--transition-duration), border-color var(--transition-duration);
}

.demo-tabs__tab + .demo-tabs__tab {
  padding-left: 1.25rem;
}

.demo-tabs__tab:hover {
  color: var(--text-color-strong);
}

.demo-tabs__tab--active {
  color: var(--text-color-strong);
  border-bottom-color: var(--text-color-strong);
  font-weight: var(--font-weight-semibold);
}

.mount > [role="tabpanel"] {
  width: 100%;
  min-width: unset;
  display: flex;
  justify-content: center;
}

.mount > [role="tabpanel"][hidden] {
  display: none;
}

footer {
  margin: 1rem 0;
  padding: 1rem 0;
  font-size: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.site-version {
  color: var(--text-color-muted);
}

header {
  margin-bottom: 2rem;
}

header img {
  width: 180px;
}

.btn-group {
  display: flex;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.btn-group li a {
  display: inline-block;
}

.btn-group li a:hover {
  text-decoration: none;
}

.btn {
  font-size: 1rem;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-duration);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--primary-color-inverse);
}

.btn-primary:hover {
  background-color: var(--primary-color-hover);
  color: var(--primary-color-inverse);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--secondary-color-hover);
}

/* Code tabs */
.code-tabs {
  display: flex;
  gap: 0;
  margin-top: 0.75rem;
}

.code-tabs__tab {
  font-size: var(--font-size-small);
  padding: 0.5rem 1.2rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  color: var(--text-color-subtle);
  transition: color var(--transition-duration), border-color var(--transition-duration);
}

.code-tabs__tab:hover {
  color: var(--text-color-strong);
}

.code-tabs__tab--active {
  background: transparent;
  color: var(--text-color-strong);
  border-bottom: 2px solid var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

/* Monospace */
code, pre, kbd, samp {
  font-family: var(--font-mono);
}

kbd {
  font-weight: var(--font-weight-bold);
}

/* Code preview panels */
.code-preview {
  overflow-x: auto;
  margin-bottom: 4em;
}

.code-preview pre[class*="language-"] {
  background: var(--surface-muted);
  font-size: var(--font-size-small);
  margin: 1rem 0 0.5rem;
  border: 1px solid var(--gray-200);
  overflow-x: auto;
}

.code-preview .line-numbers .line-numbers-rows {
  border-right-color: var(--gray-200);
}

.code-preview .line-numbers-rows > span::before {
  color: var(--gray-400);
}

.code-preview__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.code-preview__copy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-small);
  font-family: var(--font-primary);
  line-height: 1.4;
  padding: 0.35rem 0.75rem;
  height: 2rem;
  box-sizing: border-box;
  background: transparent;
  color: var(--text-color-strong);
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  cursor: pointer;
  transition: background-color var(--transition-duration), border-color var(--transition-duration);
}

.code-preview__copy::before {
  content: '';
  display: inline-block;
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 7m0 2.667a2.667 2.667 0 0 1 2.667 -2.667h8.666a2.667 2.667 0 0 1 2.667 2.667v8.666a2.667 2.667 0 0 1 -2.667 2.667h-8.666a2.667 2.667 0 0 1 -2.667 -2.667z'%3E%3C/path%3E%3Cpath d='M4.012 16.737a2.005 2.005 0 0 1 -1.012 -1.737v-10c0 -1.1 .9 -2 2 -2h10c.75 0 1.158 .385 1.5 1'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.code-preview__copy:hover {
  background-color: var(--surface-muted);
}

.code-preview__github {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-small);
  font-family: var(--font-primary);
  line-height: 1.4;
  padding: 0.35rem 0.75rem;
  height: 2rem;
  box-sizing: border-box;
  background: transparent;
  color: var(--text-color-strong);
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  text-decoration: none;
  transition: background-color var(--transition-duration);
}

.code-preview__github:hover {
  background-color: var(--surface-muted);
  text-decoration: none;
}

/* ── Code content dark theme (code only) ── */
.code-preview pre[class*="language-"] {
  background: #1d1f21;
  border-color: #373b41;
  color: #c5c8c6;
  margin-top: 0.75rem;
}

/* Keep styling scoped to rendered code content only */
.code-preview code[class*="language-"],
.code-preview pre[class*="language-"],
.code-preview .token {
  text-shadow: none;
}

.code-preview .line-numbers-rows {
  border-right-color: #373b41;
}

.code-preview .line-numbers-rows > span::before {
  color: #777;
}

/* ── Content link styling (breadcrumb-style animated underline) ── */
main p a,
main li a:not([class]),
main td a {
  color: var(--text-color-strong);
  text-decoration: none;
  position: relative;
}

main p a::before,
main li a:not([class])::before,
main td a::before {
  content: "";
  position: absolute;
  bottom: -0.15em;
  left: 0;
  width: 100%;
  height: 2px;
  background-repeat: no-repeat;
  background-image: linear-gradient(to right, rgb(var(--color-underlined)) 45%, rgba(var(--color-underlined), 0.3) 55%);
  background-size: 220% 100%;
  background-position: 100% 50%;
  transition: 0.3s ease-out;
}

main p a:hover::before,
main li a:not([class]):hover::before,
main td a:hover::before {
  background-position: 0 50%;
}

/* ── Mount width overrides for specific components ── */
.mount > .pagination-demo,
.mount > .slider-demo,
.mount > .rlb-slider-section,
.mount > .tooltip-wrapper,
.mount > .select-demo,
.mount > .rlb-mega,
.mount > [data-slider-demo],
.mount > [data-pagination-demo] {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.mount > .listbox-demo {
  width: 100%;
  max-width: 480px;
}

/* Component prev/next navigation */
.comp-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
}

.comp-nav__item {
  display: flex;
  width: 100%;
}

.comp-nav__item--next {
  justify-content: flex-end;
}

.comp-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-color);
  width: 100%;
  transition: border-color var(--transition-duration), background-color var(--transition-duration);
}

.comp-nav__item--prev .comp-nav__link {
  border-radius: 0.5rem 0 0 0.5rem;
  background: #fff;
}

.comp-nav__item--next .comp-nav__link {
  border-radius: 0 0.5rem 0.5rem 0;
  background: #fff;
}

.comp-nav__link:hover {
  border-color: var(--border-color);
  background: var(--surface-muted);
  text-decoration: none;
}

.comp-nav__label {
  font-size: var(--font-size-small);
  color: var(--text-color-muted);
}

.comp-nav__name {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-color-strong);
}

.comp-nav__item--next .comp-nav__name {
  justify-content: flex-end;
}

.comp-nav__item--next .comp-nav__label {
  text-align: right;
}

/* Compliance Snapshot (Public) */
.rlb-compliance-snapshot {
  font-size: var(--font-size-xsmall);
}

.rlb-compliance-snapshot__content {
  margin-top: 0.75rem;
}

.rlb-compliance-snapshot__table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 0.75rem;
  max-width: 34rem;
}

.rlb-compliance-snapshot__table th,
.rlb-compliance-snapshot__table td {
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.6rem;
  text-align: left;
  font-size: var(--font-size-xsmall);
}

.rlb-compliance-snapshot__table th {
  background: var(--surface-muted);
  color: var(--text-color-strong);
}

.rlb-compliance-snapshot__table td {
  background: #fff;
}

.rlb-compliance-snapshot__table td:last-child,
.rlb-compliance-snapshot__table th:last-child {
  text-align: right;
  width: 7.5rem;
}

.rlb-compliance-snapshot__label {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.25rem;
}

.rlb-compliance-snapshot__meta {
  font-size: var(--font-size-small);
  color: var(--text-color-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  body {
    padding: 1.25rem;
  }

  h1 {
    font-size: 1.625rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .mount {
    padding: 1rem;
  }

  .mount > *,
  .mount > .card-list,
  .mount > .link-demo {
    width: 100%;
    min-width: 0;
  }

  .btn-group {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  body {
    padding: 1rem;
  }

  h1 {
    font-size: 1.375rem;
  }
}