:root {
  color-scheme: dark;
  --bg: #07090f;
  --panel: rgba(10, 15, 27, 0.84);
  --panel-strong: rgba(8, 12, 22, 0.94);
  --text: #f7fbff;
  --muted: #9caabc;
  --cyan: #31e6ff;
  --lime: #c8ff36;
  --magenta: #ff3f95;
  --red: #ff354d;
  --yellow: #ffd36c;
  --line: rgba(185, 244, 255, 0.28);
  --radius: 8px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  min-height: 100%;
  margin: 0;
  overscroll-behavior-x: none;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

html,
body,
button,
a,
canvas,
img,
.app,
.game-shell,
.topbar,
.hud,
.arena,
.screen,
.mobile-controls,
.joystick,
.dpad {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

img,
canvas {
  -webkit-user-drag: none;
  user-drag: none;
}

textarea,
input {
  user-select: text;
  -webkit-user-select: text;
  -webkit-touch-callout: default;
}

body {
  position: relative;
  color: var(--text);
  overflow-x: hidden;
  background:
    linear-gradient(115deg, rgba(49, 230, 255, 0.18), transparent 28%),
    linear-gradient(245deg, rgba(255, 63, 149, 0.16), transparent 34%),
    linear-gradient(180deg, #071018 0%, #11121f 52%, #090d13 100%);
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
}

body::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
}

body::after {
  background:
    linear-gradient(106deg, transparent 0 18%, rgba(49, 230, 255, 0.12) 19%, transparent 32%),
    linear-gradient(255deg, transparent 0 22%, rgba(200, 255, 54, 0.08) 23%, transparent 36%);
  mix-blend-mode: screen;
  opacity: 0.72;
}

button {
  font: inherit;
}

.app {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.game-shell {
  width: min(1140px, 100%);
  display: grid;
  gap: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(9, 14, 26, 0.92), rgba(18, 26, 39, 0.72));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(200, 255, 54, 0.35);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(200, 255, 54, 0.14), rgba(49, 230, 255, 0.08)),
    rgba(0, 0, 0, 0.42);
  box-shadow:
    0 0 24px rgba(200, 255, 54, 0.22),
    inset 0 0 20px rgba(255, 255, 255, 0.04);
}

.logo-badge img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.24));
}

.brand-copy p,
.kicker {
  margin: 0;
  color: var(--lime);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.28rem, 2.5vw, 1.85rem);
  line-height: 1;
  letter-spacing: 0;
}

.home-link {
  display: inline-flex;
  margin-top: 5px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  text-decoration: none;
}

.home-link:hover,
.home-link:focus-visible {
  color: var(--lime);
}

.hud {
  display: grid;
  grid-template-columns: repeat(7, minmax(72px, 1fr));
  gap: 8px;
}

.hud-item {
  min-width: 82px;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.04);
  text-align: right;
}

.score-hud strong,
.time-hud strong {
  color: var(--lime);
}

.time-hud {
  border-color: rgba(200, 255, 54, 0.22);
  background:
    linear-gradient(180deg, rgba(200, 255, 54, 0.13), rgba(49, 230, 255, 0.04)),
    rgba(255, 255, 255, 0.04);
}

.hud-item span {
  display: block;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hud-item strong {
  display: block;
  margin-top: 2px;
  font-size: 1.32rem;
  line-height: 1;
}

.online-hud strong {
  color: var(--cyan);
  font-size: 1rem;
  text-transform: uppercase;
}

body.menu-open .topbar {
  justify-content: center;
}

body.menu-open .hud {
  display: none;
}

body.menu-open .brand {
  justify-content: center;
}

.meter-item {
  min-width: 96px;
}

.meter-track {
  display: block;
  height: 5px;
  margin-top: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
}

.meter-track i {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  box-shadow: 0 0 14px rgba(49, 230, 255, 0.45);
}

#staminaBar {
  width: 100%;
  background: linear-gradient(90deg, var(--yellow), var(--lime));
}

.arena {
  position: relative;
  height: min(68vh, 700px);
  min-height: 500px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at center, rgba(49, 230, 255, 0.1), transparent 28%),
    linear-gradient(180deg, #122239, #0a111d);
  box-shadow:
    var(--shadow),
    inset 0 0 100px rgba(49, 230, 255, 0.12);
  touch-action: none;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.screen {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: none;
  place-items: center;
  padding: 22px;
  background:
    radial-gradient(circle at center, rgba(49, 230, 255, 0.11), transparent 34%),
    rgba(5, 8, 15, 0.62);
  backdrop-filter: blur(10px);
}

.screen.is-active {
  display: grid;
}

.screen-panel {
  width: min(560px, 100%);
  max-height: calc(100% - 20px);
  overflow: auto;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(9, 14, 25, 0.95), rgba(20, 29, 43, 0.86)),
    linear-gradient(90deg, rgba(49, 230, 255, 0.08), rgba(255, 63, 149, 0.08));
  box-shadow:
    0 28px 100px rgba(0, 0, 0, 0.5),
    0 0 44px rgba(49, 230, 255, 0.16);
  text-align: center;
  scrollbar-width: thin;
  scrollbar-color: rgba(49, 230, 255, 0.55) rgba(255, 255, 255, 0.08);
}

.screen-panel::before {
  display: block;
  width: 44px;
  height: 4px;
  margin: 0 auto 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  content: "";
  box-shadow: 0 0 16px rgba(49, 230, 255, 0.3);
}

.screen-logo {
  width: 82px;
  height: 78px;
  object-fit: contain;
  margin-bottom: 12px;
  padding: 10px;
  border: 1px solid rgba(200, 255, 54, 0.34);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 22px rgba(200, 255, 54, 0.18);
}

.screen-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 6vw, 3.8rem);
  line-height: 0.94;
  letter-spacing: 0;
  text-shadow:
    0 0 18px rgba(49, 230, 255, 0.44),
    0 0 30px rgba(255, 63, 149, 0.2);
}

.screen-copy,
.final-line {
  color: #c9d8e7;
  font-size: 1rem;
  line-height: 1.5;
}

.challenge-card,
.record-card {
  display: grid;
  gap: 10px;
  margin: 16px 0;
  padding: 12px;
  border: 1px solid rgba(49, 230, 255, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(49, 230, 255, 0.11), rgba(255, 63, 149, 0.08)),
    rgba(2, 7, 14, 0.54);
  box-shadow:
    inset 0 0 24px rgba(49, 230, 255, 0.06),
    0 16px 44px rgba(0, 0, 0, 0.26);
}

.challenge-card {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.challenge-stat {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
  text-align: left;
}

.challenge-stat span,
.record-name-field span {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.challenge-stat strong {
  color: var(--lime);
  font-size: 1.18rem;
  line-height: 1.05;
}

.challenge-stat small {
  color: #c9d8e7;
  font-size: 0.78rem;
  line-height: 1.35;
}

.start-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.final-line {
  margin-bottom: 6px;
}

.final-line strong {
  color: var(--lime);
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.result-stats div {
  min-width: 0;
  padding: 10px 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 0 18px rgba(49, 230, 255, 0.04);
}

.result-stats span {
  display: block;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.result-stats strong {
  display: block;
  margin-top: 4px;
  color: var(--lime);
  font-size: 1.24rem;
  line-height: 1;
}

.record-card[hidden] {
  display: none;
}

.record-title {
  margin: 0;
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.record-name-field {
  display: grid;
  gap: 7px;
  text-align: left;
}

.record-name-field input {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(49, 230, 255, 0.28);
  border-radius: var(--radius);
  padding: 0 12px;
  color: var(--text);
  background: rgba(1, 5, 11, 0.72);
  box-shadow:
    inset 0 0 18px rgba(49, 230, 255, 0.08),
    0 0 18px rgba(49, 230, 255, 0.08);
  font: 850 1rem/1.2 inherit;
}

.record-name-field input:focus {
  outline: 2px solid rgba(200, 255, 54, 0.42);
  outline-offset: 2px;
}

.record-actions {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 8px;
}

.record-actions .ghost-button,
.record-actions .secondary-button {
  width: 100%;
  min-width: 0;
}

.record-status {
  min-height: 18px;
  margin: 0;
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 800;
}

.primary-button,
.secondary-button,
.ghost-button,
.shoot-button,
.dpad button {
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    filter 160ms ease;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 50px;
  min-width: 160px;
  padding: 0 22px;
  font-weight: 950;
}

.primary-button {
  color: #071018;
  background: linear-gradient(135deg, var(--lime), var(--cyan));
  box-shadow:
    0 0 24px rgba(49, 230, 255, 0.36),
    0 14px 34px rgba(0, 0, 0, 0.3);
}

.secondary-button {
  color: var(--text);
  border: 1px solid rgba(49, 230, 255, 0.24);
  background:
    linear-gradient(135deg, rgba(49, 230, 255, 0.2), rgba(255, 63, 149, 0.14)),
    rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.035);
}

.ghost-button {
  min-height: 40px;
  color: var(--lime);
  border: 1px solid rgba(200, 255, 54, 0.28);
  background: rgba(255, 255, 255, 0.035);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.shoot-button:hover,
.dpad button:hover {
  transform: translateY(-2px);
  filter: saturate(1.08);
}

.primary-button:active,
.secondary-button:active,
.ghost-button:active,
.shoot-button:active,
.dpad button:active,
.is-pressed {
  transform: translateY(0);
  filter: saturate(1.2);
}

.online-card {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid rgba(49, 230, 255, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025)),
    rgba(4, 8, 15, 0.58);
  box-shadow:
    inset 0 0 24px rgba(49, 230, 255, 0.06),
    0 16px 46px rgba(0, 0, 0, 0.3);
  text-align: left;
}

.online-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.online-card-head::-webkit-details-marker {
  display: none;
}

.online-card-head::after {
  width: 22px;
  height: 22px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #071018;
  background: linear-gradient(135deg, var(--lime), var(--cyan));
  content: "+";
  font-weight: 950;
  box-shadow: 0 0 16px rgba(49, 230, 255, 0.34);
}

.online-card[open] .online-card-head::after {
  content: "-";
}

.online-card-body {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.online-card-head span,
.signal-field span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.online-card-head strong {
  color: var(--cyan);
  font-size: 0.78rem;
  text-align: right;
}

.online-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.online-actions .ghost-button {
  grid-column: 1 / -1;
}

.signal-field {
  display: grid;
  gap: 6px;
}

.signal-field textarea {
  width: 100%;
  min-height: 66px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 10px;
  color: var(--text);
  background: rgba(1, 5, 11, 0.7);
  box-shadow: inset 0 0 20px rgba(49, 230, 255, 0.06);
  font: 700 0.74rem ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.signal-field textarea::placeholder {
  color: rgba(156, 170, 188, 0.72);
}

.wide-button {
  width: 100%;
}

.mobile-controls {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.joystick {
  position: relative;
  min-height: 156px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(49, 230, 255, 0.2);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at center, rgba(49, 230, 255, 0.18), transparent 58%),
    linear-gradient(135deg, rgba(49, 230, 255, 0.12), rgba(255, 63, 149, 0.1)),
    rgba(255, 255, 255, 0.04);
  box-shadow:
    0 0 24px rgba(49, 230, 255, 0.16),
    0 14px 34px rgba(0, 0, 0, 0.28),
    inset 0 0 24px rgba(255, 255, 255, 0.04);
  touch-action: none;
  user-select: none;
}

.joystick-ring {
  position: relative;
  width: 124px;
  height: 124px;
  display: block;
  border: 2px solid rgba(200, 255, 54, 0.3);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(200, 255, 54, 0.16), transparent 32%),
    radial-gradient(circle at 50% 50%, transparent 0 48%, rgba(49, 230, 255, 0.16) 49% 50%, transparent 51%);
  box-shadow:
    inset 0 0 24px rgba(49, 230, 255, 0.14),
    0 0 22px rgba(200, 255, 54, 0.13);
}

.joystick-thumb {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lime), var(--cyan));
  box-shadow:
    0 0 22px rgba(200, 255, 54, 0.36),
    0 12px 28px rgba(0, 0, 0, 0.34);
  transform: translate(-50%, -50%);
  transition: transform 110ms ease;
}

.joystick.is-active .joystick-thumb {
  transition: none;
}

.joystick-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  color: rgba(247, 251, 255, 0.72);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}

.dpad {
  display: grid;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 52px);
  justify-content: start;
  gap: 6px;
}

.dpad button,
.shoot-button {
  min-height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(49, 230, 255, 0.17), rgba(255, 63, 149, 0.12)),
    rgba(255, 255, 255, 0.04);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.28),
    inset 0 0 18px rgba(255, 255, 255, 0.04);
}

.dpad button {
  font-size: 1.5rem;
  line-height: 1;
}

.dpad button[data-control="up"] {
  grid-column: 2;
  grid-row: 1;
}

.dpad button[data-control="left"] {
  grid-column: 1;
  grid-row: 2;
}

.dpad button[data-control="right"] {
  grid-column: 3;
  grid-row: 2;
}

.dpad button[data-control="down"] {
  grid-column: 2;
  grid-row: 3;
}

.shoot-button {
  align-self: center;
  justify-self: stretch;
  min-height: 116px;
  touch-action: none;
  color: #071018;
  font-size: 1.02rem;
  font-weight: 950;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--yellow), var(--lime) 52%, var(--cyan));
  box-shadow:
    0 0 24px rgba(200, 255, 54, 0.28),
    0 14px 34px rgba(0, 0, 0, 0.28);
}

.is-pressed {
  border-color: rgba(200, 255, 54, 0.58) !important;
  box-shadow:
    0 0 22px rgba(200, 255, 54, 0.22),
    inset 0 0 18px rgba(255, 255, 255, 0.08) !important;
}

@media (max-width: 780px) {
  body {
    overscroll-behavior: none;
  }

  .app {
    align-items: start;
    padding: 6px;
  }

  .game-shell {
    gap: 8px;
  }

  .topbar {
    display: grid;
    padding: 9px;
  }

  .logo-badge {
    width: 50px;
    height: 50px;
  }

  .logo-badge img {
    width: 39px;
    height: 39px;
  }

  .brand-copy p {
    font-size: 0.62rem;
  }

  h1 {
    font-size: 1.25rem;
  }

  .hud {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 6px;
  }

  .hud-item {
    min-width: 0;
    padding: 6px 5px;
    text-align: center;
  }

  .hud-item span {
    font-size: 0.56rem;
  }

  .hud-item strong {
    font-size: 1.1rem;
  }

  .online-hud strong {
    font-size: 0.84rem;
  }

  .arena {
    height: min(46svh, 440px);
    min-height: 315px;
  }

  body:not(.menu-open) {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100svh;
    overflow: hidden;
    touch-action: none;
  }

  body:not(.menu-open) * {
    touch-action: none;
  }

  body:not(.menu-open) .app {
    min-height: 100svh;
    height: 100svh;
    align-items: stretch;
    overflow: hidden;
    padding: 4px;
  }

  body:not(.menu-open) .game-shell {
    min-height: calc(100svh - 8px);
    height: calc(100svh - 8px);
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 6px;
  }

  body:not(.menu-open) .topbar {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  body:not(.menu-open) .brand {
    display: none;
  }

  body:not(.menu-open) .hud {
    grid-template-columns: 1fr 1.24fr 1fr;
    gap: 6px;
    max-width: 520px;
    margin: 0 auto;
  }

  body:not(.menu-open) .hud-item {
    min-height: 48px;
    display: grid;
    align-content: center;
    padding: 6px 4px;
    border-color: rgba(255, 255, 255, 0.12);
    background:
      linear-gradient(180deg, rgba(3, 8, 15, 0.9), rgba(13, 20, 30, 0.76)),
      rgba(0, 0, 0, 0.18);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
  }

  body:not(.menu-open) .hud-item span {
    font-size: 0.54rem;
    letter-spacing: 0.03em;
  }

  body:not(.menu-open) .hud-item strong {
    margin-top: 3px;
    font-size: 1.22rem;
  }

  body:not(.menu-open) .time-hud {
    min-height: 56px;
    border-color: rgba(200, 255, 54, 0.42);
    background:
      linear-gradient(135deg, rgba(200, 255, 54, 0.22), rgba(49, 230, 255, 0.11)),
      rgba(0, 0, 0, 0.3);
    box-shadow:
      0 0 22px rgba(200, 255, 54, 0.14),
      0 8px 20px rgba(0, 0, 0, 0.24);
  }

  body:not(.menu-open) .time-hud strong {
    font-size: 1.55rem;
  }

  body:not(.menu-open).is-final-seconds .time-hud {
    border-color: rgba(255, 63, 149, 0.62);
    background:
      linear-gradient(135deg, rgba(255, 63, 149, 0.28), rgba(255, 211, 108, 0.12)),
      rgba(0, 0, 0, 0.34);
  }

  body:not(.menu-open).is-final-seconds .time-hud strong {
    color: var(--yellow);
  }

  body:not(.menu-open) .meter-item,
  body:not(.menu-open) .record-hud,
  body:not(.menu-open) .online-hud {
    display: none;
  }

  body:not(.menu-open) .arena {
    align-self: stretch;
    height: auto;
    min-height: 0;
  }

  body.menu-open .arena {
    height: min(64svh, 520px);
    min-height: 470px;
  }

  body.menu-open .mobile-controls {
    display: none;
  }

  .screen {
    padding: 14px;
  }

  .screen-panel {
    padding: 16px 14px;
  }

  .screen-logo {
    width: 58px;
    height: 54px;
    margin-bottom: 8px;
  }

  .screen-copy {
    font-size: 0.9rem;
    line-height: 1.38;
  }

  .challenge-card {
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 12px 0;
    padding: 10px;
  }

  .challenge-stat {
    padding: 9px;
  }

  .record-card {
    margin: 12px 0;
    padding: 10px;
  }

  .record-actions {
    grid-template-columns: 1fr;
  }

  .result-stats {
    gap: 6px;
  }

  .result-stats div {
    padding: 8px 5px;
  }

  .result-stats span {
    font-size: 0.56rem;
  }

  .result-stats strong {
    font-size: 1.05rem;
  }

  .online-card {
    gap: 8px;
    margin-top: 12px;
    padding: 10px;
  }

  .online-actions {
    grid-template-columns: 1fr;
  }

  .secondary-button,
  .ghost-button {
    width: 100%;
    min-height: 42px;
  }

  .signal-field textarea {
    min-height: 52px;
  }

  .mobile-controls {
    display: grid;
    grid-template-columns: 1fr;
    align-items: end;
    gap: 0;
    padding-bottom: env(safe-area-inset-bottom);
  }

  body:not(.menu-open) .mobile-controls {
    min-height: calc(100px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
  }

  .mobile-controls .dpad {
    display: none;
  }

  .joystick {
    min-height: 112px;
  }

  .joystick-ring {
    width: 96px;
    height: 96px;
  }

  .joystick-thumb {
    width: 50px;
    height: 50px;
  }

  body:not(.menu-open) .joystick {
    min-height: 100px;
  }

  body:not(.menu-open) .joystick-ring {
    width: 90px;
    height: 90px;
  }

  body:not(.menu-open) .joystick-thumb {
    width: 48px;
    height: 48px;
  }

  body:not(.menu-open) .joystick-label {
    bottom: 6px;
    font-size: 0.6rem;
  }
}

@media (max-width: 430px) {
  .arena {
    height: min(43svh, 390px);
    min-height: 300px;
  }

  body:not(.menu-open) .arena {
    height: auto;
    min-height: 0;
  }

  body.menu-open .arena {
    height: min(65svh, 510px);
    min-height: 470px;
  }

  body:not(.menu-open) .app {
    padding: 3px;
  }

  body:not(.menu-open) .game-shell {
    min-height: calc(100svh - 6px);
    height: calc(100svh - 6px);
    gap: 5px;
  }

  body:not(.menu-open) .topbar {
    padding: 0;
  }

  body:not(.menu-open) .hud-item {
    min-height: 44px;
    padding: 5px 3px;
  }

  body:not(.menu-open) .hud-item span {
    font-size: 0.5rem;
  }

  body:not(.menu-open) .hud-item strong {
    font-size: 1.08rem;
  }

  body:not(.menu-open) .time-hud {
    min-height: 52px;
  }

  body:not(.menu-open) .time-hud strong {
    font-size: 1.38rem;
  }

  body:not(.menu-open) .mobile-controls {
    min-height: calc(94px + env(safe-area-inset-bottom));
  }

  .joystick {
    min-height: 106px;
  }

  .joystick-ring {
    width: 92px;
    height: 92px;
  }

  .joystick-thumb {
    width: 48px;
    height: 48px;
  }

  body:not(.menu-open) .joystick {
    min-height: 94px;
  }

  body:not(.menu-open) .joystick-ring {
    width: 84px;
    height: 84px;
  }

  body:not(.menu-open) .joystick-thumb {
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}