/**
 * Typing Trainer Game Page — Two-Column Game Arena, Rich Game Cards & Guide Styles
 * High-DPR engine synchronization and modern cyber-arcade layout.
 */

body.page-typing-trainer {
  --game-shell-max-h: min(88vh, 960px);
  --game-shell-max-w: 600px;
  --bg-deep: #070415;
  --surface-card: rgba(18, 12, 42, 0.7);
  --surface-border: rgba(168, 85, 247, 0.22);
  --surface-border-hover: rgba(236, 72, 153, 0.5);
  --accent-pink: #ec4899;
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --font-display: "Orbitron", "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --font-body: "Inter", system-ui, sans-serif;
}

body.page-typing-trainer #portalRoot {
  padding-top: 72px;
}

body.page-typing-trainer .site-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: 0 clamp(16px, 2.5vw, 32px);
}

body.page-typing-trainer .site-layout {
  display: block !important;
  max-width: none;
  width: 100%;
}

body.page-typing-trainer #gameCentre {
  max-width: 1360px;
  margin: 0 auto;
  width: 100%;
  min-width: 0;
}

body.page-typing-trainer .game-page {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 24px 0 72px;
}

/* ==========================================================================
   Header & Breadcrumb Section
   ========================================================================== */
body.page-typing-trainer .gp-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  width: 100%;
}

body.page-typing-trainer .gp-crumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

body.page-typing-trainer .gp-crumb a:hover {
  color: var(--accent-pink);
}

body.page-typing-trainer .gp-crumb .here {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

body.page-typing-trainer .gp-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

body.page-typing-trainer .gp-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

body.page-typing-trainer .gp-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  line-height: 1.15;
}

body.page-typing-trainer .gp-head .tagline {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-muted);
}

body.page-typing-trainer .gp-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

body.page-typing-trainer .gp-meta .sep {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   Two-Column Game Arena Grid (Desktop)
   ========================================================================== */
body.page-typing-trainer .game-arena-grid {
  display: grid;
  grid-template-columns: minmax(460px, 520px) minmax(0, 1fr);
  justify-content: center;
  gap: 28px;
  align-items: start;
  width: 100%;
  margin: 0 auto;
}

body.page-typing-trainer .game-stage {
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Viewport Shell */
body.page-typing-trainer .viewport-shell {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: calc(var(--game-shell-max-h) + 96px);
  margin: 0 auto;
  background: var(--bg-deep);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 28px 70px -20px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(168, 85, 247, 0.3);
  isolation: isolate;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

body.page-typing-trainer .viewport-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.65), rgba(168, 85, 247, 0.55), rgba(6, 182, 212, 0.35) 70%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 5;
}

body.page-typing-trainer .shell-titlebar {
  display: grid;
  grid-template-columns: 60px 1fr 60px;
  align-items: center;
  height: 44px;
  padding: 0 16px;
  background: rgba(10, 6, 24, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

body.page-typing-trainer .win-dots {
  display: flex;
  gap: 7px;
}

body.page-typing-trainer .win-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: transform 0.2s ease;
}

body.page-typing-trainer .win-dots .dot-red {
  background: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

body.page-typing-trainer .win-dots .dot-yellow {
  background: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

body.page-typing-trainer .win-dots .dot-green {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

body.page-typing-trainer .shell-name {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

body.page-typing-trainer .shell-name b {
  color: #fff;
  font-weight: 700;
}

body.page-typing-trainer .shell-status {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #22c55e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

body.page-typing-trainer .shell-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: liveDotPulse 2s infinite ease-in-out;
}

/* Canvas Viewport */
body.page-typing-trainer #gameWrap.viewport,
body.page-typing-trainer .viewport#gameWrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  max-height: var(--game-shell-max-h);
  height: auto;
  margin: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: #070415;
  overflow: hidden;
}

body.page-typing-trainer #gameWrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

body.page-typing-trainer .game-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

body.page-typing-trainer .hud-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(10, 7, 24, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

body.page-typing-trainer .shell-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 52px;
  padding: 10px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 6, 24, 0.7);
}

body.page-typing-trainer .shell-ctrl-left {
  display: flex;
  gap: 8px;
}

body.page-typing-trainer .shell-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

body.page-typing-trainer .shell-icon:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(168, 85, 247, 0.4);
}

body.page-typing-trainer .shell-icon svg {
  width: 16px;
  height: 16px;
}

body.page-typing-trainer .shell-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

body.page-typing-trainer .shell-hint kbd {
  font-family: inherit;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 600;
}

body.page-typing-trainer .shell-fs {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(236, 72, 153, 0.2));
  border: 1px solid rgba(236, 72, 153, 0.45);
  border-radius: 999px;
  height: 44px;
  min-height: 44px;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

body.page-typing-trainer .shell-fs:hover {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.4);
}

/* ==========================================================================
   3-Column Games Showcase Grid on Game Screen
   ========================================================================== */
body.page-typing-trainer .game-screen-cards-section {
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 100%;
}

body.page-typing-trainer .game-cards-3col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  width: 100%;
}

body.page-typing-trainer .switcher-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 2px;
}

body.page-typing-trainer .switcher-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

body.page-typing-trainer .switcher-head .switcher-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 3px 8px;
  border-radius: 999px;
}

body.page-typing-trainer .switcher-head .switcher-live-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: liveDotPulse 2s infinite ease-in-out;
}

/* Compact Game Card in 3-Col Grid */
body.page-typing-trainer .game-rail-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  backdrop-filter: blur(18px);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.5);
}

body.page-typing-trainer .game-rail-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
  z-index: 4;
}

body.page-typing-trainer .game-rail-card:hover::before {
  transform: translateX(100%);
}

body.page-typing-trainer .game-rail-card:hover {
  transform: translateY(-4px);
  background: rgba(26, 17, 60, 0.9);
  border-color: var(--surface-border-hover);
  box-shadow: 0 14px 32px -8px rgba(168, 85, 247, 0.45);
}

body.page-typing-trainer .game-rail-card.is-active {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.15));
  border: 1px solid rgba(236, 72, 153, 0.6);
  box-shadow: 0 0 20px -4px rgba(236, 72, 153, 0.4);
}

body.page-typing-trainer .rail-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0d0822;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

body.page-typing-trainer .rail-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
}

body.page-typing-trainer .game-rail-card:hover .rail-card-media img {
  transform: scale(1.06);
  filter: brightness(1.08);
}

body.page-typing-trainer .rail-card-media.custom-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #180e38, #2a1148);
}

body.page-typing-trainer .custom-card-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

body.page-typing-trainer .custom-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 12px rgba(236, 72, 153, 0.5));
}

body.page-typing-trainer .custom-lbl {
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body.page-typing-trainer .rail-card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 999px;
  backdrop-filter: blur(10px);
  z-index: 2;
}

body.page-typing-trainer .rail-card-badge.live {
  color: #22c55e;
  background: rgba(10, 6, 24, 0.85);
  border: 1px solid rgba(34, 197, 94, 0.4);
}

body.page-typing-trainer .rail-card-badge.live .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22c55e;
  animation: liveDotPulse 2s infinite ease-in-out;
}

body.page-typing-trainer .rail-card-badge.test {
  color: #38bdf8;
  background: rgba(10, 6, 24, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

body.page-typing-trainer .rail-card-badge.test .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #38bdf8;
}

body.page-typing-trainer .rail-card-badge.mode {
  color: #f472b6;
  background: rgba(10, 6, 24, 0.85);
  border: 1px solid rgba(244, 114, 182, 0.4);
}

body.page-typing-trainer .rail-card-content {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px 14px;
}

body.page-typing-trainer .rail-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.page-typing-trainer .rail-card-desc {
  margin: 0;
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.page-typing-trainer .rail-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

body.page-typing-trainer .rail-card-meta .sep {
  opacity: 0.5;
}

body.page-typing-trainer .rail-card-action {
  margin-top: 6px;
}

body.page-typing-trainer .rail-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 8px;
  transition: all 0.2s ease;
}

body.page-typing-trainer .rail-btn.active {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

body.page-typing-trainer .rail-btn.play {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
}

body.page-typing-trainer .game-rail-card:hover .rail-btn.play {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(236, 72, 153, 0.45);
  transform: translateY(-1px);
}

/* Lower Row: Stats + Shortcuts Grid */
body.page-typing-trainer .switcher-lower-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  width: 100%;
}

/* Personal Best Mini-HUD Widget */
body.page-typing-trainer .switcher-stats-card {
  padding: 14px 16px;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  backdrop-filter: blur(18px);
}

body.page-typing-trainer .switcher-stats-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

body.page-typing-trainer .switcher-stats-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

body.page-typing-trainer .switcher-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

body.page-typing-trainer .switcher-stat-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 8px 6px;
  text-align: center;
  transition: border-color 0.2s ease;
}

body.page-typing-trainer .switcher-stat-box:hover {
  border-color: rgba(168, 85, 247, 0.4);
}

body.page-typing-trainer .switcher-stat-val {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

body.page-typing-trainer .switcher-stat-lbl {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 2px;
}

/* Pro Keybindings Cheat Sheet */
body.page-typing-trainer .switcher-keys-card {
  padding: 12px 14px;
  background: rgba(12, 8, 30, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
}

body.page-typing-trainer .switcher-keys-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

body.page-typing-trainer .switcher-key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
}

body.page-typing-trainer .switcher-key-row kbd {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}

/* In-Page Player Stats Bar */
body.page-typing-trainer .gp-stats {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

body.page-typing-trainer .gp-stats.is-visible {
  display: grid;
}

body.page-typing-trainer .gp-stats .stat {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 16px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

body.page-typing-trainer .gp-stats .stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

body.page-typing-trainer .gp-stats .stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ==========================================================================
   Lower Section: Information Layout & Sticky Table of Contents
   ========================================================================== */
body.page-typing-trainer .info-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  margin-top: 16px;
}

body.page-typing-trainer .toc {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 16px;
  backdrop-filter: blur(16px);
}

body.page-typing-trainer .toc-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 6px;
}

body.page-typing-trainer .toc a {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
}

body.page-typing-trainer .toc a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

body.page-typing-trainer .toc a.current {
  color: #fff;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.15));
  border-left-color: var(--accent-pink);
  box-shadow: inset 0 0 0 1px rgba(236, 72, 153, 0.35);
}

body.page-typing-trainer .info-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

body.page-typing-trainer .info-card {
  scroll-margin-top: 96px;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: border-color 0.2s ease;
}

body.page-typing-trainer .info-card:hover {
  border-color: rgba(168, 85, 247, 0.4);
}

body.page-typing-trainer .info-card h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
}

body.page-typing-trainer .info-card .n {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(236, 72, 153, 0.4);
  background: rgba(236, 72, 153, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-pink);
  flex-shrink: 0;
}

body.page-typing-trainer .info-card p,
body.page-typing-trainer .info-card li {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-muted);
}

body.page-typing-trainer .info-card a {
  color: var(--accent-pink);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

body.page-typing-trainer .info-card a:hover {
  text-decoration: underline;
  color: #fff;
}

body.page-typing-trainer .info-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

body.page-typing-trainer .info-card li {
  position: relative;
  padding-left: 18px;
}

body.page-typing-trainer .info-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-pink);
  box-shadow: 0 0 8px rgba(236, 72, 153, 0.6);
}

/* ==========================================================================
   More Arcade Games (Bottom Showcase)
   ========================================================================== */
body.page-typing-trainer .related {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}

body.page-typing-trainer .related-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

body.page-typing-trainer .related-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

body.page-typing-trainer .related-head a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-pink);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

body.page-typing-trainer .related-head a:hover {
  text-decoration: underline;
}

body.page-typing-trainer .related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  width: 100%;
}

body.page-typing-trainer .related-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

body.page-typing-trainer .related-card:hover {
  transform: translateY(-4px);
  background: rgba(26, 17, 60, 0.9);
  border-color: var(--surface-border-hover);
  box-shadow: 0 16px 36px -10px rgba(168, 85, 247, 0.45);
}

body.page-typing-trainer .related-thumb {
  aspect-ratio: 16 / 9;
  background: #0d0822;
  overflow: hidden;
  position: relative;
}

body.page-typing-trainer .related-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

body.page-typing-trainer .related-card:hover .related-thumb img {
  transform: scale(1.06);
}

body.page-typing-trainer .related-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

body.page-typing-trainer .related-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

body.page-typing-trainer .related-body p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  body.page-typing-trainer .game-arena-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  body.page-typing-trainer .viewport-shell {
    width: min(100%, 540px);
  }

  body.page-typing-trainer .game-switcher-rail {
    order: 2;
  }

  body.page-typing-trainer .switcher-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
  }
}

@media (max-width: 860px) {
  body.page-typing-trainer .game-cards-3col-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  body.page-typing-trainer .info-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  body.page-typing-trainer .toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  body.page-typing-trainer .toc-label {
    width: 100%;
  }

  body.page-typing-trainer .toc a {
    border-left: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
  }
}

@media (max-width: 640px) {
  body.page-typing-trainer .shell-hint {
    display: none;
  }

  body.page-typing-trainer .gp-stats {
    grid-template-columns: 1fr;
  }
}