/**
 * TeleDNS — iOS / iPadOS 27 design system (Liquid Glass refinements)
 * Aligned with Apple Figma kit 1651309003795292092
 */

:root,
[data-theme="dark"] {
  /* Transparency spectrum (Settings → Appearance slider analogue) */
  --ios27-glass-opacity: 1;
  --ios27-glass-blur-scale: 1;

  /* Measured large/medium glass corner radius */
  --ios27-radius-glass-lg: 34px;
  --ios27-radius-glass-md: 22px;
  --ios27-radius-glass-sm: 14px;

  /* Edge ring + specular (dark mode) */
  --ios27-glass-edge: rgba(166, 166, 166, 0.35);
  --ios27-glass-inner-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), inset 0 -28px 36px -36px rgba(0, 0, 0, 0.55);
  --ios27-glass-drop: 0 0 0 0.5px var(--ios27-glass-edge), 0 8px 32px rgba(0, 0, 0, 0.38);

  /* Scroll edge */
  --ios27-scroll-edge-soft: 100px;
  --ios27-scroll-edge-hard: 6px;

  /* Typography (Dynamic Type large titles) */
  --ios27-large-title: clamp(2rem, 5vw, 2.75rem);
  --ios27-title-1: clamp(1.625rem, 3.5vw, 2rem);
  --ios27-title-2: 1.375rem;
  --ios27-title-3: 1.0625rem;
  --ios27-footnote: 0.8125rem;

  /* Grouped inset list */
  --ios27-group-bg: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
  --ios27-group-radius: var(--ios27-radius-glass-md);
}

[data-theme="lite"] {
  --ios27-glass-opacity: 0.92;
  --ios27-glass-blur-scale: 0;
  --ios27-glass-inner-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --ios27-glass-drop: 0 4px 20px rgba(0, 0, 0, 0.35);
}

/* ——— Liquid Glass surfaces (iOS 27 measured) ——— */
.glass,
.glass-panel,
.glass-chrome {
  border-radius: var(--ios27-radius-glass-lg);
  box-shadow: var(--ios27-glass-inner-shadow), var(--ios27-glass-drop);
}

.glass-sm {
  border-radius: var(--ios27-radius-glass-md);
  box-shadow: var(--ios27-glass-inner-shadow), var(--ios27-glass-drop);
}

@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass,
  .glass-sm,
  .glass-panel,
  .glass-chrome,
  .glass-chip {
    backdrop-filter: blur(calc(var(--glass-blur-chrome) * var(--ios27-glass-blur-scale)))
      saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur-chrome) * var(--ios27-glass-blur-scale)))
      saturate(var(--glass-saturate));
  }
}

/* Prominent glass button (LINEAR_BURN tint analogue) */
.btn-primary {
  border-radius: var(--ios27-radius-glass-md);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 0 0 0.5px color-mix(in srgb, var(--brand) 60%, #0088ff),
    0 6px 22px var(--brand-glow);
}

.btn-ghost {
  border-radius: var(--ios27-radius-glass-md);
  box-shadow: var(--ios27-glass-inner-shadow), 0 0 0 0.5px var(--ios27-glass-edge);
}

/* ——— Uniform toolbar on scroll ——— */
.site-header {
  padding-top: max(var(--space-3), env(safe-area-inset-top, 0px));
}

.site-header.is-scrolled .nav-chrome {
  background: color-mix(in srgb, var(--glass-bg-large) calc(var(--ios27-glass-opacity) * 100%), transparent);
  box-shadow:
    var(--ios27-glass-inner-shadow),
    0 0 0 0.5px var(--ios27-glass-edge),
    0 12px 40px rgba(0, 0, 0, 0.45);
}

.site-header.is-scrolled::after {
  content: "";
  position: absolute;
  inset-inline: var(--gutter);
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--separator-transparent), transparent);
  pointer-events: none;
}

/* Scroll edge fade under chrome */
.site::before {
  content: "";
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: calc(var(--nav-height) + env(safe-area-inset-top, 0px) + 24px);
  z-index: 99;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease);
}

.site.is-scrolled::before {
  opacity: 1;
}

/* ——— Large Title typography ——— */
.hero .headline,
.page-hero .headline {
  font-size: var(--ios27-large-title);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.section-title {
  font-size: var(--ios27-title-1);
}

.feature-item h3,
.compare-card h3,
.plan h3 {
  font-size: var(--ios27-title-3);
}

/* ——— iOS Segmented Control ——— */
.ios27-segmented,
.games-filter {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 3px;
  border-radius: var(--ios27-radius-glass-md);
  background: var(--fill-tertiary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--ios27-glass-inner-shadow);
}

.games-filter button {
  padding: 8px 16px;
  border-radius: calc(var(--ios27-radius-glass-md) - 4px);
  border: none;
  background: transparent;
  color: var(--label-secondary);
  font-weight: 600;
  font-size: var(--ios27-footnote);
  transition:
    background var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease);
}

.games-filter button.is-active {
  color: var(--label-primary);
  background: color-mix(in srgb, var(--bg-elevated) 85%, var(--brand) 15%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.28),
    0 0 0 0.5px var(--ios27-glass-edge);
}

.games-filter button:hover:not(.is-active) {
  color: var(--label-primary);
}

/* ——— Grouped inset list (FAQ, specs) ——— */
.faq,
.specs {
  border-radius: var(--ios27-group-radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--ios27-glass-drop);
  background: var(--ios27-group-bg);
}

.faq details,
.spec-row {
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--separator-transparent);
  background: transparent;
}

.faq details:last-child,
.spec-row:last-child {
  border-bottom: none;
}

.faq details {
  padding: 16px 18px;
}

.faq details[open] {
  background: color-mix(in srgb, var(--fill-quaternary) 60%, transparent);
}

/* ——— Game cover art (TeleLive-style horizontal row + catalog grid) ——— */
.games-showcase {
  padding: 0 0 clamp(32px, 5vw, 56px);
}

.games-showcase-head {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.games-showcase-head h2 {
  font-size: var(--ios27-title-2);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.games-showcase-track {
  overflow: hidden;
  padding: 6px 0 12px;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 6%,
    #000 94%,
    transparent 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 6%,
    #000 94%,
    transparent 100%
  );
}

.games-scroll-row {
  display: flex;
  gap: 10px;
  padding: 0 var(--gutter);
}

.games-scroll-row--marquee {
  width: max-content;
  padding-inline: var(--gutter);
  animation: tdns-games-marquee 42s linear infinite;
  will-change: transform;
}

.games-showcase-track:hover .games-scroll-row--marquee {
  animation-play-state: paused;
}

@keyframes tdns-games-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

[dir="rtl"] .games-scroll-row--marquee {
  animation-name: tdns-games-marquee-rtl;
}

@keyframes tdns-games-marquee-rtl {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .games-scroll-row--marquee {
    animation: none;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    width: auto;
    max-width: 100%;
  }

  .games-showcase-track {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
  }
}

.game-card-scroll {
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: 88px;
  display: flex;
  flex-direction: column;
  border-radius: var(--ios27-radius-glass-sm);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--fill-quaternary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--ios27-glass-inner-shadow), 0 4px 16px rgba(0, 0, 0, 0.25);
  transition:
    transform var(--duration-fast) var(--ease-spring),
    border-color var(--duration-fast) var(--ease),
    box-shadow var(--duration-normal) var(--ease);
}

.game-card-scroll:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: color-mix(in srgb, var(--brand) 45%, var(--glass-border));
  box-shadow:
    var(--ios27-glass-inner-shadow),
    0 8px 28px color-mix(in srgb, var(--brand) 22%, transparent);
}

.game-card-scroll-art {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: linear-gradient(160deg, #121214, #1c1c1e);
  border-bottom: 1px solid var(--separator-transparent);
}

.game-card-scroll-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.game-card-scroll-art--fallback {
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-soft);
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand) 22%, #121214), #0a0a0c);
}

.game-card-scroll-label {
  padding: 8px 6px 10px;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--label-secondary);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Catalog grid tiles */
.games-catalog {
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: var(--space-4);
}

.game-tile {
  padding: 0;
  overflow: hidden;
  text-align: start;
  border-radius: var(--ios27-radius-glass-md);
}

.game-tile-art {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  position: relative;
  background: linear-gradient(160deg, #121214, #1c1c1e);
}

.game-tile-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s var(--ease);
}

.game-tile:hover .game-tile-art img {
  transform: scale(1.04);
}

.game-tile-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, transparent 45%);
  pointer-events: none;
}

.game-tile-body {
  padding: 12px 14px 14px;
  position: relative;
}

.game-tile h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.game-tile p {
  font-size: var(--ios27-footnote);
  color: var(--label-tertiary);
}

.game-tile-badge {
  position: absolute;
  top: 10px;
  inset-inline-end: 10px;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--ios-green) 22%, rgba(0, 0, 0, 0.55));
  color: #86efac;
  border: 1px solid color-mix(in srgb, var(--ios-green) 35%, transparent);
  backdrop-filter: blur(8px);
}

/* Hero ping panel — iOS widget card */
.ping-panel {
  border-radius: var(--ios27-radius-glass-lg);
  box-shadow: var(--ios27-glass-inner-shadow), var(--ios27-glass-drop);
}

.ping-meter {
  border-radius: var(--ios27-radius-glass-sm);
}

.live-stat {
  border-radius: var(--ios27-radius-glass-sm);
  box-shadow: var(--ios27-glass-inner-shadow);
}

/* Feature / plan cards */
.feature-item,
.plan,
.compare-card,
.auth-card,
.contact-card,
.cta-band {
  border-radius: var(--ios27-radius-glass-lg);
}

.hero-brand-icon,
.nav-logo {
  border-radius: 22%;
}

/* Panel + owner inherit */
.dashboard-header,
.admin-header,
.dash-card,
.owner-presence {
  border-radius: var(--ios27-radius-glass-lg);
  box-shadow: var(--ios27-glass-inner-shadow), var(--ios27-glass-drop);
}

.dash-tabs {
  border-radius: var(--ios27-radius-glass-md);
  padding: 4px;
  background: var(--fill-tertiary);
  border: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

a.dash-tab {
  border-radius: calc(var(--ios27-radius-glass-md) - 4px);
}

a.dash-tab.active {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.25);
}

/* Nav drawer — sheet style */
.nav-drawer-panel {
  border-radius: var(--ios27-radius-glass-lg) 0 0 var(--ios27-radius-glass-lg);
}

@media (max-width: 860px) {
  .games-filter {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .games-filter button {
    flex: 1 0 auto;
    white-space: nowrap;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site::before {
    display: none;
  }
}