/* ========================================
   Slotopedia - Global Stylesheet
   Modern reference site design
   ======================================== */

:root {
  /* Colors */
  --bg: #ffffff;
  --surface: #f8f9fa;
  --text: #1a1a1a;
  --muted: #6c757d;
  --border: #dee2e6;
  --link: #0066cc;
  --link-hover: #0052a3;
  --badge-bg: #e9ecef;
  --badge-text: #495057;
  --focus: #0066cc;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-content: 800px;
  --border-radius: 4px;
  --border-radius-sm: 2px;
  
  /* Transitions */
  --transition: 0.2s ease;
  
  /* Reveal animations */
  --reveal-duration: 0.55s;
  --reveal-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --reveal-offset: 18px;
}

/* ========================================
   Reveal animations (scroll & load)
   ======================================== */

@keyframes revealFadeInUp {
  from {
    opacity: 0;
    transform: translateY(var(--reveal-offset));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Reveal: only transform (slide up), content always visible – no opacity hide */
.reveal {
  transform: translateY(var(--reveal-offset));
  transition: transform var(--reveal-duration) var(--reveal-ease);
}

.reveal.reveal--in-view {
  transform: translateY(0);
}

.reveal.reveal--fade-only {
  transform: none;
}

/* Stagger children (e.g. cards in a grid) */
.reveal.reveal--stagger > * {
  transform: translateY(12px);
  transition: transform var(--reveal-duration) var(--reveal-ease);
}

.reveal.reveal--in-view.reveal--stagger > *:nth-child(1) { transition-delay: 0.02s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(2) { transition-delay: 0.05s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(3) { transition-delay: 0.08s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(4) { transition-delay: 0.11s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(5) { transition-delay: 0.14s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(6) { transition-delay: 0.17s; }
.reveal.reveal--in-view.reveal--stagger > *:nth-child(n+7) { transition-delay: 0.2s; }

.reveal.reveal--in-view.reveal--stagger > * {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.reveal--in-view,
  .reveal.reveal--stagger > * {
    transform: none;
    transition: none;
  }
}

/* ========================================
   Reset & Base
   ======================================== */

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

ul, ol {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-xs);
}

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

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* ========================================
   Layout
   ======================================== */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

@media (min-width: 768px) {
  main {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

/* ========================================
   Header & Navigation
   ======================================== */

header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: center;
}

nav a {
  font-weight: 500;
  color: var(--text);
}

nav a:first-child,
.nav-logo {
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
}

.nav-logo img {
  height: 40px;
  width: auto;
  display: block;
  vertical-align: middle;
}

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

/* Burger button: hidden on desktop */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  margin: 0;
  margin-left: auto;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--bg);
  cursor: pointer;
  align-items: center;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

header .nav-toggle:checked ~ nav .burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

header .nav-toggle:checked ~ nav .burger span:nth-child(2) {
  opacity: 0;
}

header .nav-toggle:checked ~ nav .burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

header .nav-toggle:checked ~ .nav-mobile {
  display: flex;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 600px) {
  .nav-logo img {
    height: 48px;
  }
  .nav-links {
    margin-left: var(--spacing-lg);
  }
}

/* Header search (global) */
.header-search-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 280px;
  margin-left: var(--spacing-md);
}
.header-search-input {
  width: 100%;
  padding: 0.4rem 0.75rem;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}
.header-search-input::placeholder {
  color: var(--muted);
}
.header-search-input:focus {
  outline: none;
  border-color: var(--accent, #333);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.06);
}
.header-search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  max-height: 70vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 100;
  padding: var(--spacing-sm);
}
.header-search-group {
  margin-bottom: var(--spacing-sm);
}
.header-search-group:last-child {
  margin-bottom: 0;
}
.header-search-group h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 0.35rem;
  padding: 0 0 0.25rem;
  border-bottom: 1px solid var(--border);
}
.header-search-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.header-search-group li {
  margin-bottom: 0.2rem;
}
.header-search-group li:last-child {
  margin-bottom: 0;
}
.header-search-group a {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}
.header-search-group a:hover {
  background: var(--bg-soft, #f5f5f5);
}
.header-search-slot .header-search-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.1rem;
  padding-left: 0.5rem;
}
.header-search-empty {
  margin: 0;
  padding: var(--spacing-md);
  font-size: 0.9rem;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 599px) {
  .header-search-wrap {
    max-width: none;
    margin-left: 0;
    margin-top: var(--spacing-md);
    order: 99;
    width: 100%;
    flex-basis: 100%; /* full row below logo + burger */
  }
}

/* Mobile menu panel */
.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md);
  flex-direction: column;
  gap: 0;
  z-index: 99;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.nav-mobile a {
  display: block;
  padding: var(--spacing-md) var(--spacing-sm);
  font-weight: 500;
  color: var(--text);
  border-radius: var(--border-radius);
}

.nav-mobile a:hover {
  background: var(--bg);
  color: var(--link);
  text-decoration: none;
}

/* ========================================
   Footer
   ======================================== */

footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-2xl);
  text-align: center;
  color: var(--muted);
  font-size: var(--font-size-sm);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--muted);
  margin-bottom: var(--spacing-xl);
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Directory & Glossary Headers
   ======================================== */

.directory-header,
.glossary-header {
  margin-bottom: var(--spacing-xl);
}

.directory-header h1,
.glossary-header h1 {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Section Titles
   ======================================== */

.section-title {
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border);
}

/* ========================================
   Search
   ======================================== */

.search {
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.search label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.search input[type="search"] {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background-color: var(--bg);
}

.search input[type="search"]:focus {
  outline: 2px solid var(--focus);
  outline-offset: 0;
  border-color: var(--focus);
}

.results {
  max-width: 600px;
  margin: var(--spacing-lg) auto;
}

.results:empty {
  display: none;
}

.result-group {
  margin-bottom: var(--spacing-lg);
}

.result-group:last-child {
  margin-bottom: 0;
}

.result-group h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.result-group ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.result-group li {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid transparent;
}

.result-group li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}

.result-slot-item a,
.result-slot-item .result-slot-provider {
  display: block;
}

.result-slot-item a {
  font-weight: 500;
}

.result-slot-item .result-slot-provider {
  font-size: var(--font-size-sm);
  color: var(--muted);
  margin-top: 0.15rem;
  margin-left: 0;
}

/* ========================================
   Controls (Filters)
   ======================================== */

.controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

/* Top row: Search, Provider, Volatility, Theme, Sort */
.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.controls-row-main {
  flex: 1 1 auto;
}

.control {
  flex: 1 1 200px;
  min-width: 150px;
}

.control label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.control input,
.control select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background-color: var(--bg);
}

.control input:focus,
.control select:focus {
  outline: 2px solid var(--focus);
  outline-offset: 0;
  border-color: var(--focus);
}

/* Features row: full width below main filters */
.control-features {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: 0;
}

.control-features legend {
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: 0 var(--spacing-xs);
}

.control fieldset {
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: 0;
}

.control legend {
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: 0 var(--spacing-xs);
}

.feature-box {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: normal;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid,
.list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
  .grid,
  .list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid,
  .list-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Featured articles: show 9 by default, rest via "Show more" */
.featured-grid .card.featured-card--more {
  display: none;
}
.featured-grid.is-expanded .card.featured-card--more {
  display: block;
}
.featured-more-wrap {
  text-align: center;
  margin: var(--spacing-lg) 0 0;
}
.featured-more-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text, #1a1a1a);
  background: transparent;
  border: 2px solid var(--color-border, #ddd);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.featured-more-btn:hover {
  background: var(--color-bg-soft, #f5f5f5);
  border-color: var(--color-accent, #333);
}

.slots-load-sentinel {
  grid-column: 1 / -1;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  pointer-events: none;
}

.slot-card-deferred {
  display: none !important;
}

/* ========================================
   Cards
   ======================================== */

.card {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card:has(.card-img) {
  overflow: hidden;
}

.card-img-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-img-link:hover {
  text-decoration: none;
}

.card-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 360 / 250;
  object-fit: cover;
  object-position: center;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  margin-top: calc(-1 * var(--spacing-lg));
  margin-bottom: var(--spacing-md);
}

.card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.card h3 a {
  color: var(--text);
}

.card h3 a:hover {
  color: var(--link);
  text-decoration: none;
}

.card p {
  margin-bottom: var(--spacing-sm);
}

.card p:last-child {
  margin-bottom: 0;
}

.provider-logo {
  display: block;
  max-width: 100%;
  max-height: 56px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 0;
}

.card-provider-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.card-provider-logo .provider-logo {
  margin-bottom: 0;
}

.provider-logo-wrap {
  display: inline-block;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.provider-article .provider-header-logo {
  max-height: 60px;
  width: auto;
  margin-bottom: 0;
  display: block;
}

/* ========================================
   Recently added section
   ======================================== */

.recently-added .section-desc {
  color: var(--muted);
  font-size: var(--font-size-sm);
  margin-top: -0.5rem;
  margin-bottom: var(--spacing-lg);
}

.recently-added-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: 0;
}

@media (min-width: 600px) {
  .recently-added-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .recently-added-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }
}

.recently-added .card-recent {
  position: relative;
  padding-top: 2.25rem;
  padding-bottom: var(--spacing-md);
  min-height: 0;
}

.recently-added .card-recent-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  background: var(--surface);
  padding: 0.2rem 0.5rem;
  border-radius: var(--border-radius-sm);
}

.recently-added .card-recent-title {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.35;
}

.recently-added .card-recent-title a {
  color: var(--text);
}

.recently-added .card-recent-title a:hover {
  color: var(--link);
  text-decoration: none;
}

/* ========================================
   Slot demo section
   ======================================== */

.slot-demo {
  margin-bottom: var(--spacing-xl);
}

.slot-demo .demo-embed {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin-top: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
  background: linear-gradient(145deg, var(--surface) 0%, var(--border) 100%);
  min-height: 420px;
  aspect-ratio: 16 / 10;
}

.slot-demo .demo-embed iframe {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.slot-demo .demo-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.5) 100%);
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

/* Blurred slot cover image + dark overlay when --demo-cover-image is set by JS */
.slot-demo .demo-cover::before {
  content: '';
  position: absolute;
  inset: -20%;
  z-index: -2;
  background-image: var(--demo-cover-image, none);
  background-size: cover;
  background-position: center;
  filter: blur(6px);
  transform: scale(1.1);
}
.slot-demo .demo-cover[style*="--demo-cover-image"]::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
}
.slot-demo .demo-cover[style*="--demo-cover-image"] {
  background: transparent;
}

.slot-demo .demo-cover--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.slot-demo .demo-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--link);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.4);
  transition: background 0.2s ease, transform 0.15s ease;
}

.slot-demo .demo-play-btn:hover {
  background: var(--link-hover);
  transform: scale(1.03);
}

.slot-demo .demo-play-btn:focus {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ========================================
   Columns
   ======================================== */

.columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

.column h3 {
  margin-top: 0;
  font-size: var(--font-size-lg);
}

.column ul {
  list-style: none;
  padding-left: 0;
}

.column li {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   Badges & Tags
   ======================================== */

.badge,
.pill {
  display: inline-block;
  padding: 0.25rem var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  border-radius: 12px;
  line-height: 1.2;
}

.badge-slots {
  background-color: #e3f2fd;
  color: #1565c0;
}

.badge-live {
  background-color: #f3e5f5;
  color: #7b1fa2;
}

.badge-hybrid {
  background-color: #fff3e0;
  color: #e65100;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-sm) 0;
}

/* ========================================
   Article Styles
   ======================================== */

.slot-article,
.provider-article,
.feature-article {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

/* Slot header cover: small image before title */
.slot-header-cover {
  margin-bottom: var(--spacing-lg);
  display: block;
}

.slot-header-cover img {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  aspect-ratio: 360 / 250;
  object-fit: cover;
  object-position: center;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.03);
  background: rgba(255, 255, 255, 0.4);
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}

.slot-header-cover img:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.04), 0 0 24px rgba(0, 102, 204, 0.06);
  transform: translateY(-1px);
}

@media (min-width: 600px) {
  .slot-header-cover img {
    max-width: 260px;
    border-radius: 16px;
  }
}

.slot-article h1,
.provider-article h1,
.feature-article h1 {
  margin-bottom: var(--spacing-lg);
}

.slot-article h2,
.provider-article h2,
.feature-article h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--border);
}

.slot-article h3,
.provider-article h3,
.feature-article h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.slot-article section,
.provider-article section,
.feature-article section {
  margin-bottom: var(--spacing-xl);
}

/* ========================================
   Fact Boxes
   ======================================== */

.slot-facts,
.provider-facts,
.feature-facts {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.slot-facts h2,
.provider-facts h2,
.feature-facts h2 {
  margin-top: 0;
  font-size: var(--font-size-lg);
  border-bottom: none;
  padding-bottom: 0;
}

.slot-facts ul,
.provider-facts ul,
.feature-facts ul {
  margin-bottom: 0;
}

.slot-facts li,
.provider-facts li,
.feature-facts li {
  margin-bottom: var(--spacing-sm);
}

.slot-facts li:last-child,
.provider-facts li:last-child,
.feature-facts li:last-child {
  margin-bottom: 0;
}

.provider-article .provider-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.provider-article .provider-table th,
.provider-article .provider-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.provider-article .provider-table th {
  font-weight: 600;
  background: var(--surface);
}

/* ========================================
   Breadcrumb
   ======================================== */

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--muted);
}

.breadcrumb a {
  color: var(--link);
}

.breadcrumb span[aria-hidden="true"] {
  margin: 0 var(--spacing-xs);
  color: var(--muted);
}

/* ========================================
   Meta & Muted Text
   ======================================== */

.meta {
  font-size: var(--font-size-sm);
  color: var(--muted);
  margin-bottom: var(--spacing-sm);
}

.muted {
  color: var(--muted);
  font-size: var(--font-size-sm);
}

.note {
  background-color: var(--surface);
  border-left: 3px solid var(--border);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-size: var(--font-size-sm);
}

/* ========================================
   Related & See Also
   ======================================== */

.related,
.see-also {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
  font-size: var(--font-size-sm);
}

.related a,
.see-also a {
  margin-right: var(--spacing-sm);
}

/* ========================================
   Jump Navigation
   ======================================== */

.jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

.jump a {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition);
}

.jump a:hover {
  background-color: var(--border);
  text-decoration: none;
}

/* ========================================
   Terms (Glossary)
   ======================================== */

.term {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border);
}

.term:last-child {
  border-bottom: none;
}

.term h2 {
  margin-top: 0;
  font-size: var(--font-size-2xl);
  scroll-margin-top: 80px;
}

.term h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-lg);
}

/* ========================================
   Utilities
   ======================================== */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 599px) {
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
  
  .hero {
    padding: var(--spacing-lg) 0;
  }
  
  .controls {
    flex-direction: column;
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
  }
  
  .control {
    width: 100%;
    min-width: 0;
  }
  
  /* Slots page: compact filter layout on mobile */
  .controls-row-main {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .controls-row-main .control {
    flex: 1 1 auto;
  }
  
  .control input,
  .control select {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px;
    font-size: 16px; /* prevents zoom on focus on iOS */
  }
  
  .control-features {
    padding: var(--spacing-sm);
  }
  
  .control-features legend {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
  }
  
  .feature-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
  }
  
  .feature-box .checkbox-label {
    min-width: 0;
    min-height: 44px;
  }
  
  .checkbox-label {
    min-height: 44px;
    padding: var(--spacing-xs) 0;
    align-items: center;
    font-size: var(--font-size-sm);
  }
  
  .checkbox-label input[type="checkbox"] {
    min-width: 20px;
    min-height: 20px;
    flex-shrink: 0;
  }
  
  /* Mobile: burger menu */
  .nav-links {
    display: none !important;
  }

  .burger {
    display: flex;
  }

  nav {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
  }

  .nav-logo {
    flex-shrink: 0;
  }
}

/* ========================================
   Premium design (glass, blur) – site-wide
   ======================================== */

body {
  background: linear-gradient(165deg, #f0f4f8 0%, #e8eef4 35%, #f5f7fa 100%);
  min-height: 100vh;
}

header {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9), 0 4px 24px rgba(0, 0, 0, 0.04);
}

nav a {
  color: rgba(26, 26, 26, 0.85);
  font-weight: 500;
}

nav a:hover {
  color: #0066cc;
  text-decoration: none;
}

.hero {
  padding: var(--spacing-2xl) 0;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #0f172a;
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.8), 0 1px 2px rgba(255, 255, 255, 0.5);
}

.subtitle {
  color: rgba(55, 65, 81, 0.85);
  font-size: 1.1rem;
  line-height: 1.65;
}

.search input[type="search"] {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 0.9rem 1.25rem;
  font-size: 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: box-shadow 0.25s ease, border-color 0.2s ease, background 0.2s ease;
}

.search input[type="search"]::placeholder {
  color: rgba(107, 114, 128, 0.7);
}

.search input[type="search"]:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 102, 204, 0.4);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 0 0 3px rgba(0, 102, 204, 0.12), 0 0 32px rgba(0, 102, 204, 0.08);
}

.section-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #0f172a;
  border-bottom: none;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, rgba(0, 102, 204, 0.6), rgba(0, 102, 204, 0.2));
  border-radius: 2px;
}

.section-desc {
  color: rgba(107, 114, 128, 0.9);
}

.grid .card,
.list-grid .card,
.recently-added-grid .card-recent,
.columns .column {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, box-shadow 0.3s ease, border-color 0.2s ease, background 0.2s ease;
}

.grid .card:hover,
.list-grid .card:hover,
.recently-added-grid .card-recent:hover,
.columns .column:hover {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03), 0 0 48px rgba(0, 102, 204, 0.06);
}

.grid .card:has(.card-img),
.list-grid .card:has(.card-img) {
  overflow: hidden;
  border-radius: 16px;
}

.grid .card .card-img,
.list-grid .card .card-img {
  border-radius: 14px 14px 0 0;
}

.grid .card .tag-row .badge,
.list-grid .card .tag-row .badge {
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
}

.grid .card h3 a,
.list-grid .card h3 a,
.recently-added .card-recent-title a {
  color: #0f172a;
  font-weight: 600;
}

.grid .card h3 a:hover,
.list-grid .card h3 a:hover,
.recently-added .card-recent-title a:hover {
  color: #0066cc;
  text-decoration: none;
}

.card .meta {
  color: rgba(107, 114, 128, 0.9);
}

.card .muted {
  color: rgba(107, 114, 128, 0.75);
}

.card-provider-logo {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.08);
}

.card .badge,
.recently-added .card-recent-badge {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  color: rgba(55, 65, 81, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
}

.columns .column {
  padding: var(--spacing-lg);
}

.columns .column h3 {
  margin-top: 0;
}

main > section.muted {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  padding: var(--spacing-lg) var(--spacing-xl);
  color: rgba(107, 114, 128, 0.9);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.02);
}

footer {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-top: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.9);
  margin-top: var(--spacing-2xl);
}

footer p {
  color: rgba(107, 114, 128, 0.85);
  margin: 0;
}

.nav-mobile {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.burger {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border-radius: 12px;
}

.results:not(:empty) {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  padding: var(--spacing-md);
}

/* ----- Directory / Glossary: controls, filters, search (glass) ----- */
.controls {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
  padding: var(--spacing-lg);
}

.control label {
  color: rgba(26, 26, 26, 0.9);
  font-weight: 500;
}

.control input[type="search"],
.control input[type="text"],
.control select {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 0.65rem 1rem;
  font-size: 1rem;
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: box-shadow 0.25s ease, border-color 0.2s ease, background 0.2s ease;
}

.control input::placeholder {
  color: rgba(107, 114, 128, 0.7);
}

.control input:focus,
.control select:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 102, 204, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 0 0 3px rgba(0, 102, 204, 0.12), 0 0 24px rgba(0, 102, 204, 0.06);
}

.control-features {
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 14px;
  padding: var(--spacing-md);
}

.control-features legend {
  color: #0f172a;
  font-weight: 600;
}

.feature-box .checkbox-label {
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-box .checkbox-label:hover {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.95);
}

.feature-box .checkbox-label:has(input:checked) {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(0, 102, 204, 0.35);
  box-shadow: 0 0 0 1px rgba(0, 102, 204, 0.2);
}

/* ----- Directory / Glossary headers ----- */
.directory-header,
.glossary-header {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 16px;
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.03);
}

.directory-header h1,
.glossary-header h1 {
  color: #0f172a;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.directory-header p,
.glossary-header p {
  color: rgba(55, 65, 81, 0.9);
  line-height: 1.65;
}

/* ----- Results meta (e.g. "Showing X of Y") ----- */
#resultsMeta.muted,
#meta.muted {
  color: rgba(107, 114, 128, 0.9);
  font-size: var(--font-size-sm);
}

/* ----- Glossary: jump nav ----- */
.jump {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
  padding: var(--spacing-md);
}

.jump a {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #0f172a;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.jump a:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 102, 204, 0.3);
  color: #0066cc;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0, 102, 204, 0.08);
}

/* ----- Glossary: term cards ----- */
.term {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.term:hover {
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.03);
}

.term:last-child {
  margin-bottom: 0;
}

.term h2 {
  color: #0f172a;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.term h3 {
  color: rgba(55, 65, 81, 0.95);
  font-weight: 600;
}

.term p,
.term .related {
  color: rgba(55, 65, 81, 0.9);
  line-height: 1.65;
}

.term .related a {
  color: #0066cc;
  font-weight: 500;
}

.term .related a:hover {
  text-decoration: none;
}

/* ========================================
   Scroll to top button
   ======================================== */

.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.9);
  color: #0f172a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease,
              box-shadow 0.2s ease, background 0.2s ease;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(255, 255, 255, 1),
              0 0 24px rgba(0, 102, 204, 0.15);
}

.scroll-to-top:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.35);
}

.scroll-to-top svg {
  width: 22px;
  height: 22px;
}

@media print {
  .scroll-to-top {
    display: none !important;
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  header,
  footer,
  .controls,
  .breadcrumb,
  .jump {
    display: none;
  }
  
  main {
    max-width: 100%;
    padding: 0;
  }
  
  a {
    color: var(--text);
    text-decoration: underline;
  }
  
  .card {
    border: 1px solid var(--border);
    page-break-inside: avoid;
  }
}