/*
 * Neon Barrage
 * Responsive visual system for the dark neon arcade shooter.
 *
 * The selectors intentionally support both semantic class names and the
 * required data-testid hooks so the game shell can be assembled independently
 * of this stylesheet.
 */

:root {
  color-scheme: dark;

  --nb-ink: #050711;
  --nb-void: #080a15;
  --nb-surface: #0d1121;
  --nb-surface-raised: #131a30;
  --nb-surface-bright: #1b2441;
  --nb-cyan: #70f7ff;
  --nb-cyan-strong: #18d9f2;
  --nb-magenta: #ff4fd8;
  --nb-magenta-strong: #d92cb5;
  --nb-lime: #c5ff6d;
  --nb-amber: #ffd166;
  --nb-danger: #ff628b;
  --nb-purple: #a68cff;
  --nb-white: #f6f8ff;
  --nb-text: #e5e9fb;
  --nb-muted: #8992b2;
  --nb-subtle: #606a8c;

  --nb-line: rgba(141, 164, 229, 0.2);
  --nb-line-bright: rgba(112, 247, 255, 0.42);
  --nb-line-warm: rgba(255, 79, 216, 0.36);
  --nb-glow-cyan: 0 0 0 1px rgba(112, 247, 255, 0.18), 0 0 24px rgba(24, 217, 242, 0.18);
  --nb-glow-magenta: 0 0 0 1px rgba(255, 79, 216, 0.16), 0 0 26px rgba(255, 79, 216, 0.16);
  --nb-panel-shadow: 0 22px 50px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.035);
  --nb-focus-ring: 0 0 0 2px var(--nb-ink), 0 0 0 4px var(--nb-cyan), 0 0 18px rgba(112, 247, 255, 0.72);

  --nb-font-ui: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --nb-font-display: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  --nb-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --nb-radius-sm: 0.45rem;
  --nb-radius-md: 0.8rem;
  --nb-radius-lg: 1.15rem;
  --nb-radius-xl: 1.5rem;
  --nb-page-gutter: clamp(1rem, 3vw, 3.5rem);
  --nb-section-gap: clamp(1rem, 2vw, 1.6rem);
  --nb-control-height: 2.85rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 280px;
  min-height: 100%;
  background: var(--nb-ink);
  scroll-behavior: smooth;
}

body {
  min-width: 280px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  isolation: isolate;
  color: var(--nb-text);
  background:
    radial-gradient(circle at 16% 0%, rgba(79, 44, 151, 0.26), transparent 34rem),
    radial-gradient(circle at 92% 20%, rgba(0, 143, 172, 0.16), transparent 30rem),
    linear-gradient(145deg, #070812 0%, #080b18 54%, #0a0716 100%);
  font-family: var(--nb-font-ui);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(112, 247, 255, 0.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 247, 255, 0.042) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 80%);
}

body::after {
  position: fixed;
  z-index: 50;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.07;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(255, 255, 255, 0.24) 4px
  );
  mix-blend-mode: screen;
}

::selection {
  color: var(--nb-ink);
  background: var(--nb-cyan);
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

button:not(:disabled),
[role="button"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

a {
  color: var(--nb-cyan);
  text-decoration-color: rgba(112, 247, 255, 0.5);
  text-underline-offset: 0.18em;
}

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

[hidden],
.is-hidden,
[data-state="hidden"] {
  display: none !important;
}

/* Page frame and brand */

.game-app,
.app-shell,
.game-page,
.page-shell,
main[data-app="neon-barrage"] {
  width: min(100%, 1440px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: clamp(1.1rem, 2.8vw, 2.75rem) var(--nb-page-gutter)
    max(1.25rem, env(safe-area-inset-bottom));
}

.game-header,
.site-header,
.topbar,
.brand-bar,
header[data-testid="game-header"],
header[aria-label="Neon Barrage header"] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  margin-bottom: clamp(1.2rem, 3vw, 2.25rem);
}

.brand,
.brand-lockup,
.game-brand,
[data-brand] {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 0.85rem;
  color: var(--nb-white);
  text-decoration: none;
}

.brand-mark,
.logo-mark,
.brand-icon {
  position: relative;
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  overflow: hidden;
  border: 1px solid var(--nb-line-bright);
  border-radius: 0.7rem;
  background:
    linear-gradient(135deg, rgba(112, 247, 255, 0.18), transparent 56%),
    linear-gradient(315deg, rgba(255, 79, 216, 0.16), transparent 60%),
    var(--nb-surface);
  box-shadow: var(--nb-glow-cyan);
  transform: rotate(-4deg);
}

.brand-mark::before,
.logo-mark::before,
.brand-icon::before {
  position: absolute;
  top: 0.55rem;
  left: 0.62rem;
  width: 1.35rem;
  height: 0.95rem;
  content: "";
  border: 2px solid var(--nb-cyan);
  border-top-color: transparent;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(112, 247, 255, 0.8);
  transform: rotate(-25deg);
}

.brand-mark::after,
.logo-mark::after,
.brand-icon::after {
  position: absolute;
  right: 0.45rem;
  bottom: 0.45rem;
  width: 0.32rem;
  height: 0.32rem;
  content: "";
  border-radius: 50%;
  background: var(--nb-magenta);
  box-shadow: 0 0 10px var(--nb-magenta);
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.03rem;
}

.brand-name,
.game-title,
.logo-type {
  overflow: hidden;
  color: var(--nb-white);
  font-family: var(--nb-font-display);
  font-size: clamp(1.35rem, 2.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 0 20px rgba(112, 247, 255, 0.27);
}

.brand-lockup h1 {
  margin: 0;
  overflow: hidden;
  color: var(--nb-white);
  font-family: var(--nb-font-display);
  font-size: clamp(1.35rem, 2.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 0 20px rgba(112, 247, 255, 0.27);
}

.brand-lockup h1 span {
  color: var(--nb-magenta);
}

.brand-name::first-letter,
.game-title::first-letter,
.logo-type::first-letter {
  color: var(--nb-cyan);
}

.brand-tagline,
.eyebrow,
.kicker,
.section-kicker {
  color: var(--nb-muted);
  font-family: var(--nb-font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.35;
  text-transform: uppercase;
}

.brand-tagline {
  overflow: hidden;
  margin-top: 0.32rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main two-column composition */

.game-layout,
.game-grid,
.game-main,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 21rem);
  align-items: start;
  gap: var(--nb-section-gap);
}

.play-column,
.game-column,
.game-primary,
.main-panel {
  display: grid;
  min-width: 0;
  gap: var(--nb-section-gap);
}

.sidebar,
.game-sidebar,
.leaderboard-sidebar,
.side-column,
.game-layout > aside,
.game-grid > aside {
  display: grid;
  min-width: 0;
  gap: var(--nb-section-gap);
}

.panel,
.card,
.play-panel,
.game-panel,
.arena-panel,
.leaderboard-panel,
.info-card,
.briefing-card,
.signal-card,
.sidebar-panel,
.hud-panel {
  position: relative;
  min-width: 0;
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 36%),
    linear-gradient(160deg, rgba(18, 28, 57, 0.86), rgba(11, 14, 29, 0.96));
  box-shadow: var(--nb-panel-shadow);
}

.play-panel,
.game-panel,
.arena-panel,
.canvas-panel {
  overflow: hidden;
}

.panel-header,
.panel-heading,
.section-heading,
.leaderboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1.15rem 0.9rem;
}

.panel-header h2,
.panel-heading h2,
.section-heading h2,
.leaderboard-header h2,
.panel-title {
  margin: 0;
  color: var(--nb-white);
  font-family: var(--nb-font-display);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-transform: uppercase;
}

.panel-header p,
.panel-heading p,
.section-heading p,
.leaderboard-header p {
  margin: 0.28rem 0 0;
  color: var(--nb-muted);
  font-size: 0.78rem;
}

.panel-rule,
.section-rule {
  height: 1px;
  margin: 0 1.15rem;
  background: linear-gradient(90deg, var(--nb-cyan), rgba(112, 247, 255, 0));
  opacity: 0.48;
}

/* Canvas shell and arcade surface */

.canvas-shell,
.canvas-frame,
.game-canvas-frame,
.arena-frame,
.playfield,
.game-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-width: 0;
  min-height: 14rem;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(112, 247, 255, 0.42);
  border-radius: calc(var(--nb-radius-lg) - 0.15rem);
  background:
    radial-gradient(circle at 50% 44%, rgba(28, 59, 117, 0.2), transparent 45%),
    linear-gradient(180deg, #060a18 0%, #050711 100%);
  box-shadow:
    0 0 0 1px rgba(112, 247, 255, 0.08),
    0 0 34px rgba(24, 217, 242, 0.13),
    inset 0 0 48px rgba(17, 42, 94, 0.3);
}

.canvas-shell::before,
.canvas-frame::before,
.game-canvas-frame::before,
.arena-frame::before,
.playfield::before,
.game-stage::before {
  position: absolute;
  z-index: 1;
  inset: 0.8rem;
  pointer-events: none;
  content: "";
  border: 1px solid rgba(112, 247, 255, 0.11);
  clip-path: polygon(
    0 0,
    2.1rem 0,
    2.1rem 1px,
    calc(100% - 2.1rem) 1px,
    calc(100% - 2.1rem) 0,
    100% 0,
    100% 2.1rem,
    calc(100% - 1px) 2.1rem,
    calc(100% - 1px) calc(100% - 2.1rem),
    100% calc(100% - 2.1rem),
    100% 100%,
    calc(100% - 2.1rem) 100%,
    calc(100% - 2.1rem) calc(100% - 1px),
    2.1rem calc(100% - 1px),
    2.1rem 100%,
    0 100%,
    0 calc(100% - 2.1rem),
    1px calc(100% - 2.1rem),
    1px 2.1rem,
    0 2.1rem
  );
}

.canvas-shell::after,
.canvas-frame::after,
.game-canvas-frame::after,
.arena-frame::after,
.playfield::after,
.game-stage::after {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.12;
  background:
    linear-gradient(90deg, transparent 0%, rgba(112, 247, 255, 0.05) 50%, transparent 100%),
    repeating-linear-gradient(0deg, transparent 0, transparent 5px, rgba(112, 247, 255, 0.08) 6px);
  mix-blend-mode: screen;
}

/* The integrated shell uses .game-frame and keeps its scanline layer in the DOM. */

.game-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-width: 0;
  min-height: 14rem;
  aspect-ratio: 8 / 5;
  border: 1px solid rgba(112, 247, 255, 0.42);
  border-radius: calc(var(--nb-radius-lg) - 0.15rem);
  background:
    radial-gradient(circle at 50% 44%, rgba(28, 59, 117, 0.2), transparent 45%),
    linear-gradient(180deg, #060a18 0%, #050711 100%);
  box-shadow:
    0 0 0 1px rgba(112, 247, 255, 0.08),
    0 0 34px rgba(24, 217, 242, 0.13),
    inset 0 0 48px rgba(17, 42, 94, 0.3);
}

.game-frame::before {
  position: absolute;
  z-index: 1;
  inset: 0.8rem;
  pointer-events: none;
  content: "";
  border: 1px solid rgba(112, 247, 255, 0.11);
  clip-path: polygon(
    0 0,
    2.1rem 0,
    2.1rem 1px,
    calc(100% - 2.1rem) 1px,
    calc(100% - 2.1rem) 0,
    100% 0,
    100% 2.1rem,
    calc(100% - 1px) 2.1rem,
    calc(100% - 1px) calc(100% - 2.1rem),
    100% calc(100% - 2.1rem),
    100% 100%,
    calc(100% - 2.1rem) 100%,
    calc(100% - 2.1rem) calc(100% - 1px),
    2.1rem calc(100% - 1px),
    2.1rem 100%,
    0 100%,
    0 calc(100% - 2.1rem),
    1px calc(100% - 2.1rem),
    1px 2.1rem,
    0 2.1rem
  );
}

.scanline-overlay {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background:
    linear-gradient(90deg, transparent 0%, rgba(112, 247, 255, 0.05) 50%, transparent 100%),
    repeating-linear-gradient(0deg, transparent 0, transparent 5px, rgba(112, 247, 255, 0.08) 6px);
  mix-blend-mode: screen;
}

[data-testid="game-canvas"] {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  max-width: 100%;
  min-height: 10rem;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: inherit;
  outline: none;
  background:
    radial-gradient(circle at 48% 48%, rgba(31, 75, 145, 0.22), transparent 50%),
    #060918;
  object-fit: contain;
  touch-action: none;
}

.canvas-shell > [data-testid="game-canvas"],
.canvas-frame > [data-testid="game-canvas"],
.game-canvas-frame > [data-testid="game-canvas"],
.arena-frame > [data-testid="game-canvas"],
.playfield > [data-testid="game-canvas"],
.game-stage > [data-testid="game-canvas"] {
  height: 100%;
  min-height: 0;
}

.game-frame > [data-testid="game-canvas"] {
  height: 100%;
  min-height: 0;
}

[data-testid="game-canvas"]:focus-visible {
  box-shadow: var(--nb-focus-ring);
}

.canvas-corner,
.stage-corner {
  position: absolute;
  z-index: 4;
  width: 1rem;
  height: 1rem;
  pointer-events: none;
  border-color: var(--nb-cyan);
  border-style: solid;
  opacity: 0.8;
}

.canvas-corner.top-left,
.stage-corner.top-left {
  top: 0.65rem;
  left: 0.65rem;
  border-width: 2px 0 0 2px;
}

.canvas-corner.top-right,
.stage-corner.top-right {
  top: 0.65rem;
  right: 0.65rem;
  border-width: 2px 2px 0 0;
}

.canvas-corner.bottom-left,
.stage-corner.bottom-left {
  bottom: 0.65rem;
  left: 0.65rem;
  border-width: 0 0 2px 2px;
}

.canvas-corner.bottom-right,
.stage-corner.bottom-right {
  right: 0.65rem;
  bottom: 0.65rem;
  border-width: 0 2px 2px 0;
}

/* In-game HUD */

.hud,
.game-hud,
.arena-hud,
[data-testid="game-hud"] {
  position: absolute;
  z-index: 4;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.85rem, 2vw, 1.4rem);
  pointer-events: none;
}

.hud > *,
.game-hud > *,
.arena-hud > *,
[data-testid="game-hud"] > * {
  pointer-events: auto;
}

.hud-top,
.hud-bottom,
.hud-row,
.hud-bar,
.game-status-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.7rem;
}

.hud-bottom,
.game-status-bar {
  align-items: flex-end;
}

.hud-stat,
.stat-block,
.score-block,
.lives-block {
  display: grid;
  min-width: 6.5rem;
  gap: 0.12rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(112, 247, 255, 0.22);
  border-radius: var(--nb-radius-sm);
  background: rgba(5, 7, 17, 0.72);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22), inset 0 0 16px rgba(24, 217, 242, 0.07);
  backdrop-filter: blur(8px);
}

.lives-block {
  border-color: rgba(255, 79, 216, 0.25);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22), inset 0 0 16px rgba(255, 79, 216, 0.07);
}

.stat-label,
.hud-label,
.score-label,
.lives-label {
  color: var(--nb-muted);
  font-family: var(--nb-font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.stat-value,
.score-value,
.lives-value,
[data-testid="score"],
[data-testid="lives"] {
  font-family: var(--nb-font-mono);
  font-size: clamp(1rem, 2vw, 1.55rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.05;
  text-shadow: 0 0 14px currentColor;
}

.score-value,
[data-testid="score"] {
  color: var(--nb-cyan);
}

.lives-value,
[data-testid="lives"] {
  color: var(--nb-magenta);
}

.wave-indicator,
.level-indicator,
.difficulty-indicator,
.status-pill,
.game-status {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 1.85rem;
  padding: 0.32rem 0.62rem;
  border: 1px solid rgba(197, 255, 109, 0.28);
  border-radius: 999px;
  color: var(--nb-lime);
  background: rgba(5, 7, 17, 0.7);
  font-family: var(--nb-font-mono);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(197, 255, 109, 0.6);
  backdrop-filter: blur(8px);
}

.wave-indicator::before,
.level-indicator::before,
.difficulty-indicator::before,
.status-pill::before,
.game-status::before {
  width: 0.42rem;
  height: 0.42rem;
  content: "";
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.hud-hint,
.control-hint,
.game-hint {
  max-width: 18rem;
  margin: 0;
  padding: 0.38rem 0.58rem;
  border-left: 2px solid var(--nb-cyan);
  color: rgba(229, 233, 251, 0.82);
  background: linear-gradient(90deg, rgba(5, 7, 17, 0.75), transparent);
  font-size: 0.7rem;
  line-height: 1.35;
  text-shadow: 0 1px 5px var(--nb-ink);
}

/* Controls and action buttons */

.button,
.btn,
.primary-button,
.secondary-button,
.ghost-button,
.icon-button,
[data-testid="start-button"],
[data-testid="submit-score"],
[data-testid="restart-button"],
[data-testid="play-again"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--nb-control-height);
  gap: 0.5rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--nb-line-bright);
  border-radius: var(--nb-radius-sm);
  color: var(--nb-white);
  background: rgba(21, 34, 61, 0.84);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover,
.btn:hover,
.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.icon-button:hover,
[data-testid="start-button"]:hover,
[data-testid="submit-score"]:hover,
[data-testid="restart-button"]:hover,
[data-testid="play-again"]:hover {
  border-color: var(--nb-cyan);
  background: rgba(29, 57, 88, 0.96);
  box-shadow: var(--nb-glow-cyan);
  transform: translateY(-1px);
}

.button:active,
.btn:active,
.primary-button:active,
.secondary-button:active,
.ghost-button:active,
.icon-button:active,
[data-testid="start-button"]:active,
[data-testid="submit-score"]:active,
[data-testid="restart-button"]:active,
[data-testid="play-again"]:active {
  transform: translateY(1px) scale(0.985);
}

.button-primary,
.btn-primary,
.primary-button,
[data-testid="start-button"],
[data-testid="submit-score"],
[data-testid="restart-button"],
[data-testid="play-again"] {
  border-color: rgba(112, 247, 255, 0.7);
  color: var(--nb-ink);
  background:
    linear-gradient(120deg, var(--nb-cyan) 0%, #a5f9e7 47%, var(--nb-lime) 100%);
  box-shadow: 0 0 0 1px rgba(197, 255, 109, 0.14), 0 0 22px rgba(112, 247, 255, 0.22);
  text-shadow: none;
}

.button-primary:hover,
.btn-primary:hover,
.primary-button:hover,
[data-testid="start-button"]:hover,
[data-testid="submit-score"]:hover,
[data-testid="restart-button"]:hover,
[data-testid="play-again"]:hover {
  border-color: var(--nb-white);
  color: var(--nb-ink);
  background: linear-gradient(120deg, #a9fbff 0%, #d7ffe1 100%);
  box-shadow: 0 0 0 1px rgba(197, 255, 109, 0.25), 0 0 30px rgba(112, 247, 255, 0.38);
}

.button-secondary,
.btn-secondary,
.secondary-button {
  border-color: rgba(255, 79, 216, 0.42);
  color: #ffd7f7;
  background: rgba(71, 21, 76, 0.35);
}

.button-secondary:hover,
.btn-secondary:hover,
.secondary-button:hover {
  border-color: var(--nb-magenta);
  background: rgba(101, 28, 98, 0.58);
  box-shadow: var(--nb-glow-magenta);
}

.button-ghost,
.btn-ghost,
.ghost-button {
  border-color: rgba(141, 164, 229, 0.25);
  color: var(--nb-muted);
  background: rgba(12, 16, 34, 0.62);
}

.button-ghost:hover,
.btn-ghost:hover,
.ghost-button:hover {
  color: var(--nb-white);
  background: rgba(24, 31, 58, 0.9);
  box-shadow: none;
}

.icon-button,
[data-testid="mute-button"] {
  width: var(--nb-control-height);
  min-width: var(--nb-control-height);
  padding: 0.5rem;
  border-color: rgba(141, 164, 229, 0.28);
  color: var(--nb-muted);
  background: rgba(12, 16, 34, 0.76);
  font-size: 1rem;
  letter-spacing: 0;
}

.icon-button[aria-pressed="true"],
[data-testid="mute-button"][aria-pressed="true"],
.is-muted,
[data-muted="true"] {
  border-color: rgba(255, 79, 216, 0.55);
  color: var(--nb-magenta);
  box-shadow: 0 0 16px rgba(255, 79, 216, 0.16);
}

.button-row,
.action-row,
.modal-actions,
.form-actions,
.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.toolbar,
.game-toolbar,
.arena-toolbar,
.play-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 0.95rem;
  border-top: 1px solid rgba(141, 164, 229, 0.13);
  background: rgba(8, 11, 24, 0.74);
}

.toolbar-label,
.toolbar-note {
  color: var(--nb-muted);
  font-size: 0.72rem;
}

/* Dialogs for start and game over states */

.modal-backdrop,
.modal-overlay,
.dialog-overlay,
.modal[role="dialog"],
[role="dialog"],
[aria-modal="true"],
[data-testid="start-modal"],
[data-testid="game-over-modal"] {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100dvh;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(3, 4, 11, 0.78);
  backdrop-filter: blur(13px) saturate(125%);
}

.modal-card,
.dialog-card,
.modal-content,
.start-card,
.game-over-card,
.game-over-panel {
  position: relative;
  width: min(100%, 35rem);
  max-height: min(90dvh, 48rem);
  overflow: auto;
  padding: clamp(1.35rem, 4vw, 2.45rem);
  border: 1px solid rgba(112, 247, 255, 0.38);
  border-radius: var(--nb-radius-xl);
  background:
    radial-gradient(circle at 90% 0%, rgba(255, 79, 216, 0.14), transparent 12rem),
    radial-gradient(circle at 0% 100%, rgba(112, 247, 255, 0.12), transparent 15rem),
    linear-gradient(145deg, rgba(23, 31, 65, 0.98), rgba(8, 11, 24, 0.99));
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.66),
    0 0 0 1px rgba(255, 79, 216, 0.1),
    0 0 48px rgba(24, 217, 242, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  animation: nb-dialog-in 220ms ease both;
}

.modal-card::before,
.dialog-card::before,
.modal-content::before,
.start-card::before,
.game-over-card::before,
.game-over-panel::before {
  position: absolute;
  top: 0;
  right: 2rem;
  left: 2rem;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--nb-cyan), var(--nb-magenta), transparent);
  box-shadow: 0 0 16px rgba(112, 247, 255, 0.7);
}

.modal-kicker,
.dialog-kicker,
.game-over-kicker {
  margin: 0 0 0.55rem;
  color: var(--nb-cyan);
  font-family: var(--nb-font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.modal-card h1,
.modal-card h2,
.dialog-card h1,
.dialog-card h2,
.modal-content h1,
.modal-content h2,
.start-card h1,
.game-over-card h1,
.game-over-panel h1 {
  margin: 0;
  color: var(--nb-white);
  font-family: var(--nb-font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 0.98;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow: 0 0 24px rgba(112, 247, 255, 0.2);
}

.modal-card h1::first-letter,
.modal-card h2::first-letter,
.dialog-card h1::first-letter,
.dialog-card h2::first-letter,
.start-card h1::first-letter,
.game-over-card h1::first-letter,
.game-over-panel h1::first-letter {
  color: var(--nb-cyan);
}

.modal-copy,
.dialog-copy,
.game-over-copy,
.modal-card > p,
.dialog-card > p,
.game-over-card > p,
.game-over-panel > p {
  max-width: 32rem;
  margin: 0.95rem 0 1.35rem;
  color: var(--nb-muted);
  font-size: 0.9rem;
}

.modal-score,
.final-score,
.score-result {
  display: grid;
  gap: 0.25rem;
  margin: 1.3rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(197, 255, 109, 0.25);
  border-radius: var(--nb-radius-md);
  background: rgba(197, 255, 109, 0.06);
}

.modal-score-label,
.final-score-label,
.score-result-label {
  color: var(--nb-lime);
  font-family: var(--nb-font-mono);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.modal-score-value,
.final-score-value,
.score-result-value {
  color: var(--nb-white);
  font-family: var(--nb-font-mono);
  font-size: clamp(1.7rem, 6vw, 2.65rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  text-shadow: 0 0 18px rgba(197, 255, 109, 0.55);
}

/* Forms, input validation, and application states */

.score-form,
.name-form,
.leaderboard-form,
form[data-score-form] {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.field,
.form-field,
.input-group {
  display: grid;
  gap: 0.4rem;
}

label,
.field-label,
.form-label {
  color: var(--nb-text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field-hint,
.form-hint,
.input-hint,
.character-count {
  color: var(--nb-subtle);
  font-size: 0.7rem;
}

input[type="text"],
input[type="search"],
input[type="number"],
input[type="email"],
select,
textarea,
[data-testid="player-name"] {
  width: 100%;
  min-height: var(--nb-control-height);
  padding: 0.72rem 0.82rem;
  border: 1px solid rgba(141, 164, 229, 0.28);
  border-radius: var(--nb-radius-sm);
  outline: none;
  color: var(--nb-white);
  background: rgba(5, 7, 17, 0.72);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
  font-family: var(--nb-font-mono);
  font-size: 0.87rem;
  letter-spacing: 0.04em;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

input::placeholder,
textarea::placeholder {
  color: rgba(137, 146, 178, 0.62);
}

input[type="text"]:hover,
input[type="search"]:hover,
input[type="number"]:hover,
input[type="email"]:hover,
select:hover,
textarea:hover,
[data-testid="player-name"]:hover {
  border-color: rgba(112, 247, 255, 0.42);
}

input[type="text"]:focus-visible,
input[type="search"]:focus-visible,
input[type="number"]:focus-visible,
input[type="email"]:focus-visible,
select:focus-visible,
textarea:focus-visible,
[data-testid="player-name"]:focus-visible {
  border-color: var(--nb-cyan);
  background: rgba(8, 18, 34, 0.88);
  box-shadow: var(--nb-focus-ring);
}

input:user-invalid,
textarea:user-invalid,
[aria-invalid="true"] {
  border-color: var(--nb-danger) !important;
  box-shadow: 0 0 0 1px rgba(255, 98, 139, 0.25), 0 0 15px rgba(255, 98, 139, 0.11);
}

.form-status,
.status-message,
.network-status,
.validation-message,
[role="status"],
[data-testid="status"] {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  min-height: 1.2rem;
  margin: 0;
  color: var(--nb-muted);
  font-size: 0.77rem;
}

.form-status::before,
.status-message::before,
.network-status::before,
.validation-message::before,
[role="status"]::before,
[data-testid="status"]::before {
  flex: 0 0 0.42rem;
  width: 0.42rem;
  height: 0.42rem;
  margin-top: 0.38rem;
  content: "";
  border-radius: 50%;
  background: var(--nb-cyan);
  box-shadow: 0 0 8px var(--nb-cyan);
}

.error-message,
.form-error,
.network-error,
[role="alert"],
[data-state="error"],
[data-status="error"],
[aria-invalid="true"] + .field-hint {
  color: #ff9db8;
}

.error-message::before,
.form-error::before,
.network-error::before,
[role="alert"]::before,
[data-state="error"]::before,
[data-status="error"]::before {
  background: var(--nb-danger);
  box-shadow: 0 0 8px var(--nb-danger);
}

.success-message,
.form-success,
[data-state="success"],
[data-status="success"] {
  color: var(--nb-lime);
}

.success-message::before,
.form-success::before,
[data-state="success"]::before,
[data-status="success"]::before {
  background: var(--nb-lime);
  box-shadow: 0 0 8px var(--nb-lime);
}

.empty-state,
.no-results,
[data-state="empty"] {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  padding: 1.6rem 1rem;
  color: var(--nb-muted);
  text-align: center;
}

.empty-state strong,
.no-results strong {
  color: var(--nb-text);
}

.loading,
.loading-state,
[aria-busy="true"],
[data-state="loading"] {
  position: relative;
}

.loading::after,
.loading-state::after,
[aria-busy="true"]::after,
[data-state="loading"]::after {
  display: inline-block;
  width: 0.9rem;
  height: 0.9rem;
  margin-left: 0.5rem;
  content: "";
  vertical-align: -0.13em;
  border: 2px solid rgba(112, 247, 255, 0.22);
  border-top-color: var(--nb-cyan);
  border-radius: 50%;
  animation: nb-spin 700ms linear infinite;
}

.skeleton,
.loading-placeholder {
  min-height: 1rem;
  border-radius: 0.3rem;
  background: linear-gradient(90deg, rgba(141, 164, 229, 0.08), rgba(112, 247, 255, 0.18), rgba(141, 164, 229, 0.08));
  background-size: 220% 100%;
  animation: nb-shimmer 1.4s ease-in-out infinite;
}

/* Leaderboard table and list variants */

.leaderboard-panel,
.leaderboard-card,
.leaderboard {
  overflow: hidden;
}

.leaderboard-scroll {
  overflow-x: auto;
  padding: 0 0.7rem 0.7rem;
  scrollbar-color: var(--nb-surface-bright) transparent;
}

table[data-testid="leaderboard"],
.leaderboard-table,
[data-testid="leaderboard"] table {
  width: 100%;
  min-width: 15rem;
  border-collapse: separate;
  border-spacing: 0 0.3rem;
  text-align: left;
}

table[data-testid="leaderboard"] caption,
.leaderboard-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

table[data-testid="leaderboard"] thead th,
.leaderboard-table thead th {
  padding: 0.4rem 0.55rem;
  color: var(--nb-subtle);
  font-family: var(--nb-font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

table[data-testid="leaderboard"] tbody tr,
.leaderboard-table tbody tr {
  transition: transform 160ms ease;
}

table[data-testid="leaderboard"] tbody tr:hover,
.leaderboard-table tbody tr:hover {
  transform: translateX(2px);
}

table[data-testid="leaderboard"] tbody td,
.leaderboard-table tbody td {
  padding: 0.68rem 0.55rem;
  border-top: 1px solid rgba(141, 164, 229, 0.1);
  border-bottom: 1px solid rgba(141, 164, 229, 0.1);
  color: var(--nb-text);
  background: rgba(21, 27, 53, 0.58);
  font-size: 0.8rem;
}

table[data-testid="leaderboard"] tbody td:first-child,
.leaderboard-table tbody td:first-child {
  border-left: 1px solid rgba(141, 164, 229, 0.1);
  border-radius: var(--nb-radius-sm) 0 0 var(--nb-radius-sm);
  color: var(--nb-cyan);
  font-family: var(--nb-font-mono);
  font-weight: 800;
}

table[data-testid="leaderboard"] tbody td:last-child,
.leaderboard-table tbody td:last-child {
  border-right: 1px solid rgba(141, 164, 229, 0.1);
  border-radius: 0 var(--nb-radius-sm) var(--nb-radius-sm) 0;
  color: var(--nb-lime);
  font-family: var(--nb-font-mono);
  font-weight: 800;
  text-align: right;
}

table[data-testid="leaderboard"] tbody tr:nth-child(-n + 3) td,
.leaderboard-table tbody tr:nth-child(-n + 3) td {
  border-top-color: rgba(255, 79, 216, 0.18);
  border-bottom-color: rgba(255, 79, 216, 0.18);
}

table[data-testid="leaderboard"] tbody tr:nth-child(1) td:first-child,
.leaderboard-table tbody tr:nth-child(1) td:first-child {
  color: var(--nb-amber);
  text-shadow: 0 0 10px rgba(255, 209, 102, 0.6);
}

.leaderboard-list,
.leaderboard-entries,
ul[data-testid="leaderboard"],
ol[data-testid="leaderboard"] {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0 0.7rem 0.8rem;
  list-style: none;
}

.leaderboard-list > li,
.leaderboard-entries > *,
ul[data-testid="leaderboard"] > li,
ol[data-testid="leaderboard"] > li,
.leaderboard-row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.65rem;
  padding: 0.48rem 0.62rem;
  border: 1px solid rgba(141, 164, 229, 0.11);
  border-radius: var(--nb-radius-sm);
  background: rgba(21, 27, 53, 0.58);
  font-size: 0.8rem;
}

.leaderboard-list > li:nth-child(-n + 3),
.leaderboard-entries > *:nth-child(-n + 3),
ul[data-testid="leaderboard"] > li:nth-child(-n + 3),
ol[data-testid="leaderboard"] > li:nth-child(-n + 3),
.leaderboard-row:nth-child(-n + 3) {
  border-color: rgba(255, 79, 216, 0.2);
}

.rank,
.leaderboard-rank,
[data-rank] {
  color: var(--nb-cyan);
  font-family: var(--nb-font-mono);
  font-weight: 800;
}

.leaderboard-list > li:first-child .rank,
.leaderboard-list > li:first-child .leaderboard-rank,
.leaderboard-entries > *:first-child .rank,
.leaderboard-entries > *:first-child .leaderboard-rank,
ul[data-testid="leaderboard"] > li:first-child .rank,
ol[data-testid="leaderboard"] > li:first-child .rank {
  color: var(--nb-amber);
  text-shadow: 0 0 10px rgba(255, 209, 102, 0.6);
}

.player-name,
.leaderboard-name,
.entry-name {
  overflow: hidden;
  color: var(--nb-text);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-score,
.leaderboard-score,
.entry-score {
  color: var(--nb-lime);
  font-family: var(--nb-font-mono);
  font-weight: 800;
  text-align: right;
}

[data-testid="leaderboard"]:empty::before,
.leaderboard-list:empty::before,
.leaderboard-entries:empty::before {
  display: block;
  padding: 1.6rem 1rem;
  content: "No runs logged yet — be the first pilot.";
  color: var(--nb-muted);
  font-size: 0.8rem;
  text-align: center;
}

/* Touch controls: hidden for mouse-first desktop, surfaced for touch/narrow UI. */

.touch-controls,
[data-testid="touch-controls"] {
  display: none;
  touch-action: none;
  user-select: none;
}

.canvas-shell > [data-testid="touch-controls"],
.canvas-frame > [data-testid="touch-controls"],
.game-canvas-frame > [data-testid="touch-controls"],
.arena-frame > [data-testid="touch-controls"],
.playfield > [data-testid="touch-controls"],
.game-stage > [data-testid="touch-controls"] {
  position: absolute;
  z-index: 5;
  right: clamp(0.65rem, 2vw, 1.2rem);
  bottom: clamp(0.65rem, 2vw, 1.2rem);
  left: clamp(0.65rem, 2vw, 1.2rem);
}

.touch-controls button,
[data-testid="touch-controls"] button,
.touch-button,
.touch-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  min-height: 3.25rem;
  padding: 0.6rem;
  border: 1px solid rgba(112, 247, 255, 0.38);
  border-radius: var(--nb-radius-md);
  color: var(--nb-cyan);
  background: rgba(6, 10, 24, 0.82);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.28), inset 0 0 16px rgba(24, 217, 242, 0.1);
  font-family: var(--nb-font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  touch-action: manipulation;
}

.touch-controls button:active,
[data-testid="touch-controls"] button:active,
.touch-button:active,
.touch-control:active,
.touch-controls [aria-pressed="true"],
[data-testid="touch-controls"] [aria-pressed="true"] {
  border-color: var(--nb-magenta);
  color: var(--nb-white);
  background: rgba(91, 23, 87, 0.76);
  box-shadow: var(--nb-glow-magenta);
}

.touch-controls [data-action="fire"],
[data-testid="touch-controls"] [data-action="fire"],
.touch-controls .fire,
[data-testid="touch-controls"] .fire {
  border-color: rgba(255, 79, 216, 0.52);
  color: #ffd3f5;
}

/* Small utility hooks that help the parent keep hierarchy predictable. */

.sr-only,
.visually-hidden,
.screen-reader-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  padding: 0 !important;
  border: 0 !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

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

.mono,
.numeric,
.score-value,
.lives-value {
  font-family: var(--nb-font-mono);
  font-variant-numeric: tabular-nums;
}

/* Responsive layout */

@media (max-width: 1080px) {
  .game-layout,
  .game-grid,
  .game-main,
  .content-grid {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem);
  }
}

@media (max-width: 860px) {
  .game-layout,
  .game-grid,
  .game-main,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar,
  .game-sidebar,
  .leaderboard-sidebar,
  .game-layout > aside,
  .game-grid > aside {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 640px) {
  html {
    scroll-behavior: auto;
  }

  .game-app,
  .app-shell,
  .game-page,
  .page-shell,
  main[data-app="neon-barrage"] {
    padding-top: 0.85rem;
    padding-right: max(0.8rem, env(safe-area-inset-right));
    padding-left: max(0.8rem, env(safe-area-inset-left));
  }

  .game-header,
  .site-header,
  .topbar,
  header[data-testid="game-header"] {
    align-items: flex-start;
    margin-bottom: 1rem;
  }

  .brand-mark,
  .logo-mark,
  .brand-icon {
    flex-basis: 2.35rem;
    width: 2.35rem;
    height: 2.35rem;
  }

  .brand-name,
  .game-title,
  .logo-type {
    font-size: clamp(1.15rem, 7vw, 1.65rem);
    letter-spacing: 0.1em;
  }

  .brand-tagline {
    font-size: 0.56rem;
  }

  .canvas-shell,
  .canvas-frame,
  .game-canvas-frame,
  .arena-frame,
  .playfield,
  .game-stage {
    min-height: 0;
    aspect-ratio: 4 / 3;
    border-radius: var(--nb-radius-md);
  }

  [data-testid="game-canvas"] {
    min-height: 0;
  }

  .hud,
  .game-hud,
  .arena-hud,
  [data-testid="game-hud"] {
    padding: 0.7rem;
  }

  .hud-stat,
  .stat-block,
  .score-block,
  .lives-block {
    min-width: 5.2rem;
    padding: 0.42rem 0.55rem;
  }

  .stat-label,
  .hud-label,
  .score-label,
  .lives-label {
    font-size: 0.54rem;
  }

  .stat-value,
  .score-value,
  .lives-value,
  [data-testid="score"],
  [data-testid="lives"] {
    font-size: 1rem;
  }

  .hud-hint,
  .control-hint,
  .game-hint {
    display: none;
  }

  .toolbar,
  .game-toolbar,
  .arena-toolbar,
  .play-toolbar {
    padding: 0.7rem;
  }

  .toolbar-note {
    display: none;
  }

  .sidebar,
  .game-sidebar,
  .leaderboard-sidebar,
  .game-layout > aside,
  .game-grid > aside {
    grid-template-columns: 1fr;
  }

  .panel-header,
  .panel-heading,
  .section-heading,
  .leaderboard-header {
    padding: 0.9rem 0.9rem 0.75rem;
  }

  .panel-rule,
  .section-rule {
    margin-right: 0.9rem;
    margin-left: 0.9rem;
  }

  .modal-backdrop,
  .modal-overlay,
  .dialog-overlay,
  .modal[role="dialog"],
  [role="dialog"],
  [aria-modal="true"],
  [data-testid="start-modal"],
  [data-testid="game-over-modal"] {
    align-items: end;
    padding: 0.65rem;
  }

  .modal-card,
  .dialog-card,
  .modal-content,
  .start-card,
  .game-over-card,
  .game-over-panel {
    width: 100%;
    padding: 1.2rem;
    border-radius: var(--nb-radius-lg);
  }

  .modal-card h1,
  .modal-card h2,
  .dialog-card h1,
  .dialog-card h2,
  .modal-content h1,
  .modal-content h2,
  .start-card h1,
  .game-over-card h1,
  .game-over-panel h1 {
    font-size: clamp(1.65rem, 10vw, 2.35rem);
  }

  .modal-actions,
  .form-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .modal-actions > *,
  .form-actions > * {
    width: 100%;
  }
}

@media (pointer: coarse), (max-width: 720px) {
  .touch-controls,
  [data-testid="touch-controls"] {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
    gap: 0.55rem;
  }

  .touch-controls button,
  [data-testid="touch-controls"] button,
  .touch-button,
  .touch-control {
    min-height: clamp(3.1rem, 13vw, 4.3rem);
  }
}

@media (max-width: 420px) {
  .game-header,
  .site-header,
  .topbar,
  header[data-testid="game-header"] {
    gap: 0.6rem;
  }

  .brand-tagline {
    display: none;
  }

  .canvas-shell,
  .canvas-frame,
  .game-canvas-frame,
  .arena-frame,
  .playfield,
  .game-stage {
    aspect-ratio: 1 / 1;
  }

  .hud-top,
  .hud-bottom,
  .hud-row,
  .hud-bar,
  .game-status-bar {
    gap: 0.4rem;
  }

  .hud-stat,
  .stat-block,
  .score-block,
  .lives-block {
    min-width: 4.5rem;
  }

  .wave-indicator,
  .level-indicator,
  .difficulty-indicator,
  .status-pill,
  .game-status {
    max-width: 7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .leaderboard-list > li,
  .leaderboard-entries > *,
  ul[data-testid="leaderboard"] > li,
  ol[data-testid="leaderboard"] > li,
  .leaderboard-row {
    grid-template-columns: 1.8rem minmax(0, 1fr) auto;
    gap: 0.42rem;
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .game-app,
  .app-shell,
  .game-page,
  .page-shell,
  main[data-app="neon-barrage"] {
    padding-top: 0.55rem;
  }

  .game-header,
  .site-header,
  .topbar,
  header[data-testid="game-header"] {
    min-height: 2.7rem;
    margin-bottom: 0.7rem;
  }

  .canvas-shell,
  .canvas-frame,
  .game-canvas-frame,
  .arena-frame,
  .playfield,
  .game-stage {
    max-height: 70dvh;
  }

  .touch-controls,
  [data-testid="touch-controls"] {
    gap: 0.35rem;
  }

  .touch-controls button,
  [data-testid="touch-controls"] button,
  .touch-button,
  .touch-control {
    min-height: 2.7rem;
  }
}

/* Neon Barrage production shell: these hooks pair with the benchmark's
   stable DOM without requiring a framework or a component runtime. */

.game-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-width: 0;
  aspect-ratio: 8 / 5;
  border: 1px solid rgba(112, 247, 255, 0.46);
  border-radius: var(--nb-radius-lg);
  background: #060918;
  box-shadow: 0 0 0 1px rgba(112, 247, 255, 0.08), 0 0 38px rgba(24, 217, 242, 0.16), inset 0 0 48px rgba(17, 42, 94, 0.3);
}

.game-frame::before {
  position: absolute;
  z-index: 2;
  inset: 0.75rem;
  pointer-events: none;
  content: "";
  border: 1px solid rgba(112, 247, 255, 0.12);
  clip-path: polygon(0 0, 2rem 0, 2rem 1px, calc(100% - 2rem) 1px, calc(100% - 2rem) 0, 100% 0, 100% 2rem, calc(100% - 1px) 2rem, calc(100% - 1px) calc(100% - 2rem), 100% calc(100% - 2rem), 100% 100%, calc(100% - 2rem) 100%, calc(100% - 2rem) calc(100% - 1px), 2rem calc(100% - 1px), 2rem 100%, 0 100%, 0 calc(100% - 2rem), 1px calc(100% - 2rem), 1px 2rem, 0 2rem);
}

.game-frame .scanline-overlay {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 5px, rgba(112, 247, 255, 0.12) 6px);
  mix-blend-mode: screen;
}

.game-frame > [data-testid="game-canvas"] {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}

.hud {
  z-index: 4;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(0.8rem, 2vw, 1.25rem);
}

.hud-block {
  display: grid;
  min-width: 6.5rem;
  gap: 0.22rem;
  padding: 0.52rem 0.68rem;
  border: 1px solid rgba(112, 247, 255, 0.22);
  border-radius: var(--nb-radius-sm);
  background: rgba(5, 7, 17, 0.74);
  box-shadow: inset 0 0 16px rgba(24, 217, 242, 0.07);
  backdrop-filter: blur(8px);
}

.hud-center {
  min-width: 4.6rem;
  text-align: center;
}

.hud-right {
  border-color: rgba(255, 79, 216, 0.25);
  text-align: right;
}

.hud-block strong {
  font-family: var(--nb-font-mono);
  font-size: clamp(0.9rem, 2vw, 1.35rem);
  line-height: 1;
  text-shadow: 0 0 14px currentColor;
}

.hud-block:first-child strong { color: var(--nb-cyan); }
.hud-center strong { color: var(--nb-lime); }
.hud-right strong { color: var(--nb-magenta); white-space: nowrap; }

.game-status {
  position: absolute;
  z-index: 5;
  right: clamp(0.8rem, 2vw, 1.25rem);
  bottom: clamp(0.8rem, 2vw, 1.25rem);
  left: auto;
  pointer-events: none;
  color: var(--nb-lime);
}

.game-status[data-tone="danger"] { color: var(--nb-danger); border-color: rgba(255, 98, 139, 0.42); }
.game-status[data-tone="live"] { color: var(--nb-cyan); }

.game-overlay {
  position: absolute;
  z-index: 8;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 5vw, 3rem);
  background: rgba(3, 4, 15, 0.68);
  backdrop-filter: blur(7px) saturate(120%);
}

.overlay-card {
  width: min(100%, 28rem);
  padding: clamp(1.35rem, 4vw, 2.2rem);
  border: 1px solid rgba(112, 247, 255, 0.42);
  border-radius: var(--nb-radius-xl);
  background: linear-gradient(145deg, rgba(23, 31, 65, 0.98), rgba(8, 11, 24, 0.98));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.62), 0 0 36px rgba(24, 217, 242, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.07);
  animation: nb-dialog-in 220ms ease both;
}

.overlay-card h2 {
  margin: 0.55rem 0 0;
  color: var(--nb-white);
  font-family: var(--nb-font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 0.98;
}

.overlay-card h2 em { color: var(--nb-cyan); font-style: normal; }
.overlay-copy { margin: 0.9rem 0 1.4rem; color: var(--nb-muted); font-size: 0.88rem; }
.primary-button.compact { min-height: 2.7rem; padding-inline: 0.9rem; }
.control-hint { margin: 1rem 0 0; color: var(--nb-subtle); font-family: var(--nb-font-mono); font-size: 0.66rem; line-height: 1.6; }
.control-hint span { color: var(--nb-magenta); padding-inline: 0.3rem; }
kbd { padding: 0.16rem 0.34rem; border: 1px solid rgba(141, 164, 229, 0.3); border-radius: 0.25rem; color: var(--nb-text); background: rgba(5, 7, 17, 0.65); font: inherit; }

.final-score-label { display: grid; gap: 0.25rem; margin: 1rem 0 1.25rem; color: var(--nb-lime); font-family: var(--nb-font-mono); font-size: 0.63rem; letter-spacing: 0.16em; }
.final-score-label strong { color: var(--nb-white); font-size: 2rem; letter-spacing: 0.04em; text-shadow: 0 0 18px rgba(197, 255, 109, 0.5); }
.score-form { margin-top: 0; }
.name-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.55rem; }
.form-message { min-height: 1.2rem; margin: 0; color: var(--nb-muted); font-size: 0.72rem; }
.form-message[data-tone="error"] { color: #ff9db8; }
.form-message[data-tone="success"] { color: var(--nb-lime); }
.text-button { margin-top: 1rem; padding: 0.25rem 0; color: var(--nb-cyan); background: transparent; font-family: var(--nb-font-mono); font-size: 0.69rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.text-button:hover { color: var(--nb-white); text-shadow: 0 0 12px var(--nb-cyan); }

.side-column { gap: var(--nb-section-gap); }
.info-card { padding: 1.05rem 1.1rem; }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 0.65rem; margin-bottom: 0.7rem; }
.briefing-card > p { margin: 0; color: var(--nb-muted); font-size: 0.82rem; line-height: 1.55; }
.live-badge, .leaderboard-refresh { color: var(--nb-lime); font-family: var(--nb-font-mono); font-size: 0.58rem; font-weight: 800; letter-spacing: 0.12em; }
.live-badge { display: inline-flex; align-items: center; gap: 0.3rem; }
.live-badge i { width: 0.38rem; height: 0.38rem; border-radius: 50%; background: var(--nb-lime); box-shadow: 0 0 9px var(--nb-lime); }
.leaderboard-refresh { color: var(--nb-cyan); }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.35rem; margin-top: 1rem; }
.mini-stats span { display: grid; gap: 0.15rem; padding: 0.45rem 0.35rem; border-top: 1px solid rgba(112, 247, 255, 0.22); text-align: center; }
.mini-stats strong { color: var(--nb-cyan); font-family: var(--nb-font-mono); font-size: 0.78rem; }
.mini-stats small { color: var(--nb-subtle); font-family: var(--nb-font-mono); font-size: 0.52rem; letter-spacing: 0.1em; }
.leaderboard-wrap { min-height: 14.5rem; }
.leaderboard-state { display: grid; min-height: 12rem; place-items: center; margin: 0; padding: 1rem; color: var(--nb-muted); font-size: 0.78rem; text-align: center; }
.leaderboard-state.error-state { color: #ff9db8; }
.leaderboard-state.empty-state { color: var(--nb-amber); }
.leaderboard-note { margin: 0.7rem 0 0; color: var(--nb-subtle); font-family: var(--nb-font-mono); font-size: 0.57rem; letter-spacing: 0.04em; }
.signal-card { display: grid; gap: 0.45rem; }
.signal-line { display: flex; align-items: center; gap: 0.5rem; color: var(--nb-muted); font-family: var(--nb-font-mono); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.13em; }
.signal-line strong { margin-left: auto; color: var(--nb-cyan); font-size: 0.58rem; }
.signal-icon { color: var(--nb-magenta); font-size: 1.25rem; }
.signal-card p { margin: 0; color: var(--nb-subtle); font-size: 0.73rem; }
.leaderboard-card .leaderboard-table { width: 100%; margin: 0; }
.leaderboard-card .leaderboard-table th, .leaderboard-card .leaderboard-table td { padding: 0.5rem 0.35rem; }
.leaderboard-card .leaderboard-table th:first-child, .leaderboard-card .leaderboard-table td:first-child { width: 2.2rem; }
.leaderboard-card .leaderboard-table th:last-child, .leaderboard-card .leaderboard-table td:last-child { text-align: right; }
.footer-note { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.1rem; color: var(--nb-subtle); font-family: var(--nb-font-mono); font-size: 0.56rem; letter-spacing: 0.1em; }
.icon-button[data-testid="mute-button"] { width: auto; min-width: 7.3rem; white-space: nowrap; }
.mute-label { font-family: var(--nb-font-mono); font-size: 0.56rem; letter-spacing: 0.08em; }

@media (pointer: coarse), (max-width: 720px) {
  .touch-controls,
  [data-testid="touch-controls"] { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 9rem; padding: 0.2rem; }
  .d-pad { display: grid; grid-template: repeat(2, 3rem) / repeat(3, 3rem); gap: 0.25rem; }
  .d-pad button { min-width: 0; min-height: 0; padding: 0; }
  .d-pad button[data-action="up"] { grid-column: 2; grid-row: 1; }
  .d-pad button[data-action="left"] { grid-column: 1; grid-row: 2; }
  .d-pad button[data-action="down"] { grid-column: 2; grid-row: 2; }
  .d-pad button[data-action="right"] { grid-column: 3; grid-row: 2; }
  .fire-button { width: 5.5rem; height: 5.5rem; border-radius: 50% !important; color: #ffd3f5 !important; border-color: rgba(255, 79, 216, 0.6) !important; background: rgba(91, 23, 87, 0.55) !important; }
  .footer-note { flex-direction: column; gap: 0.25rem; }
}

@media (max-width: 640px) {
  .game-frame { aspect-ratio: 4 / 3; border-radius: var(--nb-radius-md); }
  .hud-block { min-width: 5.2rem; padding: 0.42rem 0.5rem; }
  .hud-block strong { font-size: 0.93rem; }
  .hud-right strong { font-size: 0.78rem; }
  .overlay-card { padding: 1.15rem; }
  .name-row { grid-template-columns: 1fr; }
  .name-row .primary-button { width: 100%; }
  .icon-button[data-testid="mute-button"] { min-width: 6.2rem; }
  .mute-label { font-size: 0.5rem; }
}

/* Keyboard focus is deliberately brighter than hover for game-critical actions. */

:where(
    a,
    button,
    input,
    select,
    textarea,
    [tabindex]:not([tabindex="-1"]),
    [role="button"]
  ):focus-visible {
  outline: none;
  box-shadow: var(--nb-focus-ring);
}

@media (forced-colors: active) {
  body::before,
  body::after,
  .canvas-shell::before,
  .canvas-frame::before,
  .game-canvas-frame::before,
  .arena-frame::before,
  .playfield::before,
  .game-stage::before,
  .canvas-shell::after,
  .canvas-frame::after,
  .game-canvas-frame::after,
  .arena-frame::after,
  .playfield::after,
  .game-stage::after {
    display: none;
  }

  button,
  input,
  select,
  textarea,
  [data-testid="game-canvas"] {
    border: 1px solid CanvasText;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  body::after {
    display: none;
  }
}

@keyframes nb-dialog-in {
  from {
    opacity: 0;
    transform: translateY(0.65rem) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes nb-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes nb-shimmer {
  from {
    background-position: 100% 0;
  }

  to {
    background-position: -100% 0;
  }
}