* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  background: #000;
  color: #e9f3ff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  position: relative;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom)
    env(safe-area-inset-left);
  touch-action: none;
}

:root {
  --glass-text-primary: #e9f3ff;
  --glass-text-muted: rgba(233, 243, 255, 0.68);
  --glass-panel-bg: rgba(18, 34, 64, 0.34);
  --glass-panel-bg-accent: rgba(48, 82, 148, 0.18);
  --glass-panel-border: rgba(132, 196, 255, 0.32);
  --glass-panel-highlight: rgba(220, 235, 255, 0.12);
  --glass-panel-shadow: 0 32px 70px rgba(6, 12, 30, 0.58);
  --glass-button-bg: rgba(60, 110, 200, 0.08);
  --glass-button-bg-strong: rgba(76, 136, 228, 0.16);
  --glass-button-border: rgba(126, 198, 255, 0.48);
  --glass-button-shadow: 0 20px 42px rgba(8, 14, 36, 0.55);
  --glass-button-hover-shadow: 0 26px 52px rgba(10, 20, 48, 0.62);
  --glass-button-focus-ring: rgba(178, 230, 255, 0.75);
  --glass-button-glow: rgba(120, 190, 255, 0.65);
  --glass-button-pressed: rgba(72, 128, 214, 0.18);
  --glass-green-border: rgba(134, 248, 200, 0.55);
  --glass-green-glow: rgba(116, 226, 176, 0.75);
  --glass-touch-shadow: 0 18px 40px rgba(10, 16, 42, 0.52);
}

#game-container {
  position: absolute;
  width: 600px;
  height: 880px;
  transform-origin: top left;
}

#game-canvas {
  display: block;
  background: #000;
  border: 2px solid #1f1f1f;
  border-radius: 8px;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  color: var(--glass-text-primary);
  font-size: 18px;
  font-family: inherit;
}

#ui-buttons {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  pointer-events: auto;
  z-index: 2;
}

.glass-button {
  --glass-button-surface: linear-gradient(140deg, rgba(70, 124, 224, 0.1), rgba(32, 78, 166, 0.1));
  --glass-button-surface-hover: linear-gradient(140deg, rgba(70, 124, 224, 0.12), rgba(32, 78, 166, 0.16));
  --glass-button-surface-active: linear-gradient(140deg, var(--glass-button-pressed), rgba(38, 86, 188, 0.24));
  --button-shadow: var(--glass-button-shadow);
  --button-hover-shadow: var(--glass-button-hover-shadow);
  --button-hover-glow: var(--glass-button-glow);
  --button-pressed-shadow: 0 16px 32px rgba(6, 14, 34, 0.6);
  --button-focus-glow: rgba(82, 150, 255, 0.35);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 20px;
  border: 1px solid var(--glass-button-border);
  background: var(--glass-button-surface);
  color: var(--glass-text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), var(--button-shadow);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  text-decoration: none;
  will-change: transform;
}

.glass-button::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), transparent 62%);
  opacity: 0.6;
  pointer-events: none;
}

@media (hover: hover) {
  .glass-button:hover {
    transform: scale(1.04);
    background: var(--glass-button-surface-hover);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), var(--button-hover-shadow),
      0 0 24px var(--button-hover-glow);
  }

  .glass-button:hover::before {
    opacity: 0.9;
  }
}

.glass-button:active {
  transform: scale(0.96);
  background: var(--glass-button-surface-active);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25), var(--button-pressed-shadow);
  transition-duration: 80ms;
}

.glass-button:focus-visible {
  outline: none;
  transform: scale(1.02);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 0 2px rgba(233, 243, 255, 0.42),
    0 0 0 6px var(--button-focus-glow), var(--button-hover-shadow);
}

@media (prefers-reduced-motion: reduce) {
  .glass-button,
  .glass-button:active,
  .glass-button:focus-visible {
    transition: none;
    transform: none;
  }
}

.glass-button--primary {
  --glass-button-surface: linear-gradient(150deg, rgba(74, 136, 230, 0.22), rgba(42, 90, 194, 0.18));
  --glass-button-surface-hover: linear-gradient(150deg, rgba(94, 156, 252, 0.26), rgba(50, 108, 222, 0.22));
  border-color: rgba(138, 206, 255, 0.52);
}

.glass-button--secondary {
  --glass-button-surface: linear-gradient(150deg, rgba(24, 52, 104, 0.28), rgba(14, 32, 70, 0.24));
  --glass-button-surface-hover: linear-gradient(150deg, rgba(36, 68, 134, 0.32), rgba(16, 40, 82, 0.28));
  border-color: rgba(132, 198, 255, 0.34);
  letter-spacing: 0.12em;
}

.glass-button--accent {
  --glass-button-surface: linear-gradient(150deg, rgba(70, 210, 160, 0.9), rgba(28, 160, 118, 0.9));
  --glass-button-surface-hover: linear-gradient(150deg, rgba(94, 232, 182, 0.94), rgba(36, 178, 132, 0.96));
  --glass-button-surface-active: linear-gradient(150deg, rgba(58, 186, 140, 0.9), rgba(22, 142, 104, 0.94));
  --button-shadow: 0 26px 48px rgba(20, 54, 40, 0.62);
  --button-hover-shadow: 0 32px 56px rgba(24, 72, 52, 0.66);
  --button-hover-glow: var(--glass-green-glow);
  --button-pressed-shadow: 0 20px 36px rgba(18, 46, 36, 0.6);
  --button-focus-glow: rgba(86, 216, 166, 0.42);
  border-color: var(--glass-green-border);
}

.glass-button--icon {
  min-height: 0;
  width: 68px;
  height: 68px;
  padding: 0;
  border-radius: 50%;
  letter-spacing: 0.18em;
}

.glass-button--pill {
  border-radius: 999px;
  min-width: 140px;
  padding-inline: 20px;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
}

.ui-button {
  padding: 0;
  border-radius: 50%;
}

.ui-button__label {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  pointer-events: none;
}

#touch-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: none;
}

.touch-move {
  position: absolute;
  bottom: 24px;
  left: 24px;
  width: 172px;
  height: 172px;
  border-radius: 50%;
  background: linear-gradient(160deg, rgba(22, 46, 88, 0.24), rgba(10, 24, 52, 0.18));
  border: 1px solid rgba(128, 198, 255, 0.35);
  box-shadow: 0 18px 40px rgba(4, 12, 28, 0.55);
  pointer-events: auto;
  touch-action: none;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.touch-move--secondary {
  left: auto;
  right: 24px;
}

.touch-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 68px;
  height: 68px;
  background: linear-gradient(150deg, rgba(120, 188, 255, 0.32), rgba(86, 148, 222, 0.22));
  border: 1px solid rgba(150, 210, 255, 0.55);
  border-radius: 50%;
  transform: translate(calc(-50% + var(--offset-x, 0px)), calc(-50% + var(--offset-y, 0px)));
  transition: transform 0.08s ease-out;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.18), 0 12px 22px rgba(4, 10, 24, 0.4);
}

.touch-buttons {
  position: absolute;
  bottom: 220px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  pointer-events: auto;
}

.touch-button {
  --button-shadow: var(--glass-touch-shadow);
  --button-hover-shadow: var(--glass-touch-shadow);
  --button-hover-glow: rgba(120, 190, 255, 0.48);
  --button-focus-glow: rgba(120, 190, 255, 0.48);
  width: 148px;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  touch-action: manipulation;
}

#touch-controls.touch-controls--coop .touch-buttons {
  position: static;
  display: contents;
}

#touch-controls.touch-controls--coop #touch-rocket,
#touch-controls.touch-controls--coop #touch-rocket-2 {
  position: absolute;
  bottom: calc(24px + 172px + 20px);
}

#touch-controls.touch-controls--coop #touch-rocket {
  left: 24px;
}

#touch-controls.touch-controls--coop #touch-rocket-2 {
  right: 24px;
}

.is-hidden {
  display: none !important;
}

@media (hover: none) and (pointer: coarse) {
  #touch-controls {
    display: block;
  }
}
.menu-scene {
  position: relative;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: clamp(20px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 20px;
  isolation: isolate;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 600ms ease, transform 600ms ease;
  --parallax-x: 0px;
  --parallax-y: 0px;
}

.menu-scene::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 22%, rgba(90, 150, 255, 0.22), transparent 68%),
    radial-gradient(circle at 78% 28%, rgba(200, 140, 255, 0.16), transparent 60%),
    linear-gradient(185deg, rgba(6, 12, 30, 0.68), rgba(2, 6, 14, 0.84));
  z-index: 1;
  pointer-events: none;
}

.menu-scene--visible {
  opacity: 1;
  transform: scale(1);
}

.menu-scene__background {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/menu_background.png');
  background-size: cover;
  background-position: center;
  filter: saturate(1.1) brightness(0.9);
  transform: translate3d(calc(var(--parallax-x) * 0.32), calc(var(--parallax-y) * 0.32), 0)
    scale(1.12);
  transition: transform 800ms ease;
  pointer-events: none;
}

.menu-scene__background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(6, 12, 24, 0.55), rgba(8, 14, 32, 0.18));
}

.menu-scene__stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.9;
  transform: translate3d(calc(var(--parallax-x) * 0.5), calc(var(--parallax-y) * 0.5), 0);
  transition: transform 900ms ease;
  z-index: 2;
}

.glass-panel {
  position: relative;
  border-radius: 26px;
  background: linear-gradient(160deg, rgba(18, 36, 68, 0.28), rgba(28, 52, 100, 0.22));
  border: 1px solid var(--glass-panel-border);
  box-shadow: var(--glass-panel-shadow);
  backdrop-filter: blur(24px);
  color: var(--glass-text-primary);
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(226, 236, 255, 0.16), rgba(120, 170, 255, 0.05));
  opacity: 0.45;
  pointer-events: none;
}

.glass-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.menu {
  position: relative;
  z-index: 3;
  width: min(420px, 100%);
  padding: clamp(26px, 5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 4vw, 28px);
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
}

.menu--main {
  gap: clamp(24px, 5vw, 36px);
}

.menu.menu--main.glass-panel {
  backdrop-filter: blur(5px);
  border-radius: 26px;
}

.menu--modal {
  width: min(380px, 94%);
  gap: clamp(20px, 4vw, 28px);
  backdrop-filter: blur(22px);
}

.menu--compact {
  width: min(320px, 92%);
  padding: clamp(14px, 4vw, 22px);
  gap: clamp(12px, 3vw, 18px);
}

.menu--compact .menu__header {
  gap: 8px;
}

.menu--compact .menu__title {
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  letter-spacing: 0.12em;
}

.menu--compact .menu__subtitle {
  font-size: clamp(0.7rem, 1.8vw, 0.9rem);
  letter-spacing: 0.24em;
}

.menu--compact .menu__subtitle--muted {
  font-size: clamp(0.68rem, 1.6vw, 0.85rem);
  letter-spacing: 0.18em;
}

.menu--compact .menu__stats {
  gap: clamp(8px, 2.5vw, 12px);
}

.menu--compact .menu__stat {
  min-width: 110px;
  padding: clamp(8px, 2.5vw, 12px);
  border-radius: 12px;
}

.menu--compact .menu__stat-label {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
}

.menu--compact .menu__stat-value {
  font-size: clamp(0.85rem, 2.4vw, 1.1rem);
}

.menu--compact .menu__actions {
  gap: clamp(10px, 2.5vw, 14px);
}

.menu--compact .glass-button {
  min-height: 42px;
  padding: 10px 16px;
  font-size: 0.85rem;
}

.menu__header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.menu__title {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  text-shadow: 0 0 28px rgba(118, 182, 255, 0.42);
}

.menu__subtitle {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: rgba(158, 206, 255, 0.88);
  letter-spacing: 0.4em;
  text-transform: uppercase;
}

.menu__subtitle--muted {
  color: rgba(198, 224, 255, 0.82);
  letter-spacing: 0.28em;
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
}

.menu__tagline {
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  color: var(--glass-text-muted);
  line-height: 1.6;
}

.menu__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 3vw, 16px);
}

.menu__actions--modal {
  gap: clamp(14px, 3vw, 18px);
}

.menu__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 3vw, 20px);
}

.menu__stats--wide {
  width: 100%;
}

.menu__stats--wide .menu__stat {
  flex: 1 1 160px;
}

.menu__stat {
  flex: 1 1 140px;
  min-width: 140px;
  padding: clamp(12px, 3vw, 18px);
  border-radius: 18px;
  background: rgba(46, 84, 148, 0.14);
  border: 1px solid rgba(140, 204, 255, 0.26);
  box-shadow: inset 0 0 0 1px rgba(210, 236, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.menu__stat--full {
  flex-basis: 100%;
}

.menu__stat-label {
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(178, 218, 255, 0.72);
}

.menu__stat-value {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 0 18px rgba(118, 182, 255, 0.45);
}

.menu__resume {
  display: flex;
  justify-content: center;
}

.menu__footer {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 3vw, 16px);
}


.menu__button {
  width: min(240px, 100%);
  align-self: center;
  -webkit-user-select: none;
  user-select: none;
}

.menu__button--resume {
  letter-spacing: 0.14em;
}

.menu__resume .menu__button {
  width: min(240px, 100%);
}

.menu__button--stacked {
  flex-direction: column;
  align-items: center;
  text-align: center;
  letter-spacing: normal;
  text-transform: none;
  padding: 18px 22px;
}

.menu__button-title {
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  font-weight: 700;
  color: #ffffff;
  text-transform: none;
  letter-spacing: 0.08em;
}

.menu__button-meta {
  font-size: 0.65rem;
  opacity: 0.78;
  letter-spacing: 0.04em;
  text-transform: none;
}

.menu__button.glass-button--accent.menu__button--resume {
  --glass-button-surface: linear-gradient(150deg, rgba(56, 182, 134, 0.9), rgba(20, 132, 98, 0.9));
  --glass-button-surface-hover: linear-gradient(150deg, rgba(76, 202, 156, 0.94), rgba(28, 154, 118, 0.96));
  --glass-button-surface-active: linear-gradient(150deg, rgba(46, 162, 118, 0.9), rgba(18, 122, 92, 0.94));
}

.menu.settings {
  gap: 20px;
}

.settings__label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
  font-size: 0.95rem;
  color: rgba(226, 236, 255, 0.9);
}

.settings__buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.settings__label input[type='range'] {
  width: 100%;
  accent-color: #66aaff;
}

@media (max-width: 520px) {
  .menu-scene {
    padding: 16px;
    border-radius: 16px;
  }

  .menu {
    padding: 24px;
    border-radius: 20px;
  }

  .menu__button {
    padding: 14px 18px;
  }
}