:root {
  --font-main: "Space Grotesk", sans-serif;
  --warm-black: #11100e;
  --charcoal: #181716;
  --graphite: #242322;
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.07);
  --text: #eee9df;
  --muted: rgba(238, 233, 223, 0.68);
  --muted-soft: rgba(238, 233, 223, 0.42);
  --blue: #5b9dff;
  --blue-deep: #3777d5;
  --danger: #c05a51;
  --exp: #d5c27a;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--warm-black);
  color: var(--text);
  font-family: var(--font-main);
}

body {
  touch-action: none;
  user-select: none;
}

button {
  font: inherit;
}

#game-shell {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.045), transparent 38%),
    linear-gradient(145deg, #12110f, #191816 52%, #0f0e0d);
}

#game-container {
  position: absolute;
  inset: 0;
}

#game-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.screen {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: max(24px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  opacity: 0;
  pointer-events: none;
  transform: scale(0.985);
  filter: blur(12px);
  transition:
    opacity 420ms ease,
    transform 420ms ease,
    filter 420ms ease,
    background-color 420ms ease;
  background-color: rgba(0, 0, 0, 0);
}

.screen-active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
  filter: blur(0);
}

.menu-rain {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.menu-shape {
  position: absolute;
  left: 0;
  top: 0;
  display: none;
  width: var(--size, 22px);
  height: var(--size, 22px);
  opacity: 0;
  transform: translate3d(var(--x, 50vw), -90px, 0) rotate(var(--start-rotation, 0deg));
  will-change: transform, opacity;
}

.menu-rain.is-running .menu-shape.is-active {
  display: block;
  animation: menu-shape-fall var(--duration, 14s) linear both;
}

.menu-shape-circle {
  border: 2px solid rgba(227, 160, 154, 0.6);
  border-radius: 50%;
  background: rgba(196, 93, 85, 0.58);
}

.menu-shape-square {
  border: 2px solid rgba(158, 179, 209, 0.58);
  border-radius: 4px;
  background: rgba(79, 114, 165, 0.58);
}

.menu-shape-triangle {
  background: rgba(213, 184, 95, 0.64);
  clip-path: polygon(50% 3%, 97% 88%, 3% 88%);
  border-radius: 24%;
  filter: drop-shadow(0 0 0 rgba(240, 217, 149, 0.42));
}

.menu-shape-pentagon {
  background: rgba(198, 119, 58, 0.62);
  clip-path: polygon(50% 0%, 96% 35%, 78% 92%, 22% 92%, 4% 35%);
  filter: drop-shadow(0 0 0 rgba(238, 178, 118, 0.42));
}

@keyframes menu-shape-fall {
  0% {
    opacity: 0;
    transform: translate3d(var(--x), -100px, 0) rotate(var(--start-rotation));
  }

  10% {
    opacity: 0.48;
  }

  78% {
    opacity: 0.46;
  }

  100% {
    opacity: 0;
    transform: translate3d(calc(var(--x) + var(--sway, 0px)), calc(100vh + 110px), 0) rotate(var(--end-rotation));
  }
}

.dimmed-screen.screen-active {
  background-color: rgba(7, 7, 6, 0.46);
}

#pause-screen {
  transform: none;
  filter: none;
  transition:
    opacity 170ms ease-out,
    background-color 170ms ease-out;
}

#pause-screen .pause-card {
  opacity: 0;
  transform: translateY(8px) scale(0.985);
  transition:
    opacity 180ms ease-out,
    transform 180ms ease-out;
}

#pause-screen.screen-active .pause-card {
  opacity: 1;
  transform: translateY(0) scale(1);
}

#upgrade-screen {
  transform: none;
  filter: none;
  transition:
    opacity 190ms ease-out,
    background-color 190ms ease-out;
}

#upgrade-screen .upgrade-options {
  opacity: 0;
  transform: translateY(12px) scale(0.99);
  transition:
    opacity 190ms ease-out,
    transform 190ms ease-out;
}

#upgrade-screen.screen-active .upgrade-options {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.glass-card,
.hud {
  position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.035) 44%, rgba(0, 0, 0, 0.12)),
    rgba(31, 30, 28, 0.62);
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(22px) saturate(120%);
  -webkit-backdrop-filter: blur(22px) saturate(120%);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 1px 1px auto 1px;
  height: 45%;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.11), transparent);
  pointer-events: none;
}

.menu-card,
.result-card,
.pause-card {
  z-index: 1;
  width: min(92vw, 620px);
  border-radius: 26px;
  padding: clamp(28px, 6vw, 52px);
  text-align: center;
}

.menu-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.035) 44%, rgba(0, 0, 0, 0.14)),
    rgba(31, 30, 28, 0.78);
}

.result-card,
.pause-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.055) 44%, rgba(0, 0, 0, 0.2)),
    rgba(34, 33, 31, 0.96);
  box-shadow:
    0 28px 76px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -1px 0 rgba(0, 0, 0, 0.26);
}

.pause-card {
  width: min(92vw, 430px);
}

.upgrade-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(94vw, 920px);
  gap: 14px;
}

.upgrade-option {
  --upgrade-rgb: 140, 140, 132;
  --upgrade-border: rgba(255, 255, 255, 0.18);
  display: grid;
  grid-template-rows: 28px 34px minmax(72px, 1fr);
  align-content: start;
  min-height: 198px;
  padding: 20px;
  border: 1px solid var(--upgrade-border);
  border-radius: 20px;
  background:
    linear-gradient(145deg, rgba(var(--upgrade-rgb), 0.58), rgba(var(--upgrade-rgb), 0.28) 50%, rgba(10, 10, 9, 0.74)),
    rgba(27, 26, 24, 0.9);
  box-shadow:
    0 26px 66px rgba(0, 0, 0, 0.44),
    inset 0 1px 0 rgba(255, 255, 255, 0.17),
    inset 0 -1px 0 rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px) saturate(118%);
  -webkit-backdrop-filter: blur(18px) saturate(118%);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.upgrade-option:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
  background:
    linear-gradient(145deg, rgba(var(--upgrade-rgb), 0.66), rgba(var(--upgrade-rgb), 0.34) 50%, rgba(10, 10, 9, 0.7)),
    rgba(30, 29, 27, 0.94);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

.upgrade-option:active {
  transform: translateY(0) scale(0.985);
}

.upgrade-option-razer {
  --upgrade-rgb: 146, 48, 65;
  --upgrade-border: rgba(210, 98, 112, 0.42);
}

.upgrade-option-shooter {
  --upgrade-rgb: 45, 92, 166;
  --upgrade-border: rgba(92, 146, 214, 0.42);
}

.upgrade-option-bazooka {
  --upgrade-rgb: 43, 118, 72;
  --upgrade-border: rgba(91, 170, 108, 0.42);
}

.upgrade-option-healing {
  --upgrade-rgb: 122, 144, 112;
  --upgrade-border: rgba(177, 199, 163, 0.34);
}

.upgrade-title {
  display: flex;
  align-items: center;
  min-height: 34px;
  margin: 0;
  font-size: 1.24rem;
  font-weight: 700;
}

.upgrade-badge {
  display: inline-flex;
  align-self: start;
  justify-self: start;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: rgba(238, 233, 223, 0.78);
  background: rgba(0, 0, 0, 0.16);
  font-size: 0.75rem;
  font-weight: 700;
}

.upgrade-description {
  display: block;
  min-height: 72px;
  padding-top: 10px;
  color: rgba(230, 225, 215, 0.78);
  font-size: 0.9rem;
  line-height: 1.42;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted-soft);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 0.95;
}

h1 {
  font-size: clamp(2.95rem, 10vw, 5.8rem);
  font-weight: 700;
  white-space: nowrap;
}

h2 {
  font-size: clamp(2.4rem, 9vw, 4.4rem);
  font-weight: 700;
}

.menu-copy {
  max-width: 390px;
  margin: 22px auto 30px;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.08rem);
  line-height: 1.55;
}

.welcome-card {
  animation: welcome-panel 520ms cubic-bezier(0.2, 0.8, 0.2, 1) 90ms both;
}

.welcome-card .eyebrow,
.welcome-card h1,
.welcome-card .menu-copy,
.welcome-card .primary-button {
  animation: welcome-item 560ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.welcome-card h1 {
  animation-delay: 90ms;
}

.welcome-card .menu-copy {
  animation-delay: 160ms;
}

.welcome-card .primary-button {
  animation-delay: 230ms;
}

@keyframes welcome-panel {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }

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

@keyframes welcome-item {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

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

.primary-button,
.ghost-button {
  min-width: 168px;
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.primary-button {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 44%),
    linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow:
    0 14px 30px rgba(39, 104, 206, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.ghost-button {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line-soft);
  color: var(--muted);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
}

.primary-button:active,
.ghost-button:active {
  transform: translateY(0) scale(0.98);
}

.hud {
  position: absolute;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 12;
  width: min(560px, calc(100vw - 28px));
  padding: 14px 16px 15px;
  border-radius: 22px;
  overflow: hidden;
  isolation: isolate;
  background: rgba(30, 29, 27, 0.56);
  box-shadow:
    0 22px 58px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.11),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  transition:
    opacity 300ms ease,
    transform 300ms ease;
}

.hud::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -66%;
  z-index: 1;
  height: 92%;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(238, 233, 223, 0.035) 24%, rgba(231, 238, 240, 0.13) 48%, rgba(176, 190, 198, 0.055) 68%, transparent 100%),
    linear-gradient(90deg, transparent 0%, rgba(221, 229, 232, 0.045) 9%, rgba(221, 229, 232, 0.07) 50%, rgba(221, 229, 232, 0.045) 91%, transparent 100%);
  filter: blur(11px);
  transform: translateY(76%);
}

.hud.level-pulse::after {
  animation: hud-level-wave 900ms cubic-bezier(0.2, 0.72, 0.22, 1) both;
}

.hud > * {
  position: relative;
  z-index: 2;
}

@keyframes hud-level-wave {
  0% {
    opacity: 0;
    transform: translateY(78%);
  }

  28% {
    opacity: 0.62;
  }

  72% {
    opacity: 0.34;
  }

  100% {
    opacity: 0;
    transform: translateY(-118%);
  }
}

.hud.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(18px);
  pointer-events: none;
}

.hud-row,
.bar-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hud-topline {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.bars {
  display: grid;
  gap: 10px;
}

.bar-label {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.bar-track {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  background: rgba(0, 0, 0, 0.22);
}

.bar-fill {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  transform-origin: left center;
  transition: transform 180ms ease;
}

.hp-fill {
  background: linear-gradient(90deg, #a3433f, #cf7665);
}

.exp-fill {
  background: linear-gradient(90deg, #8f7d45, #dac67e);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0;
}

.stat {
  min-height: 76px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  text-align: left;
}

.stat-wide {
  grid-column: 1 / -1;
}

.stat span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-soft);
  font-size: 0.76rem;
  font-weight: 600;
}

.stat strong {
  font-size: 1.45rem;
  line-height: 1;
}

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

.pause-actions {
  margin-top: 28px;
}

.pause-button {
  position: absolute;
  left: max(16px, env(safe-area-inset-left));
  top: max(16px, env(safe-area-inset-top));
  z-index: 13;
  display: grid;
  grid-template-columns: 4px 4px;
  place-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent),
    rgba(31, 30, 28, 0.58);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  cursor: pointer;
  opacity: 1;
  transition:
    opacity 220ms ease,
    transform 180ms ease,
    background 180ms ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.pause-button span {
  width: 4px;
  height: 14px;
  border-radius: 999px;
  background: rgba(238, 233, 223, 0.82);
}

.pause-button:hover {
  transform: translateY(-1px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.13), transparent),
    rgba(38, 37, 35, 0.66);
}

.pause-button:active {
  transform: translateY(0) scale(0.96);
}

.pause-button.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

.level-toast {
  position: absolute;
  left: 50%;
  bottom: var(--level-toast-bottom, 148px);
  z-index: 14;
  padding: 11px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(31, 30, 28, 0.64);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  opacity: 0;
  transform: translate(-50%, 16px) scale(0.94);
  pointer-events: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.level-toast.show {
  animation: level-toast-rise 1250ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes level-toast-rise {
  0% {
    opacity: 0;
    transform: translate(-50%, 16px) scale(0.94);
  }

  18% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }

  68% {
    opacity: 1;
    transform: translate(-50%, -24px) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -38px) scale(0.98);
  }
}

.damage-vignette {
  position: absolute;
  inset: 0;
  z-index: 11;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle, transparent 54%, rgba(163, 67, 63, 0.18));
  transition: opacity 180ms ease;
}

.damage-vignette.show {
  opacity: 1;
}

.fade-layer {
  position: absolute;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: 0;
  background: #11100e;
  transition: opacity 360ms ease;
}

.fade-layer.show {
  opacity: 0.75;
}

.joystick {
  position: absolute;
  z-index: 18;
  width: 116px;
  height: 116px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.042);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 16px 44px rgba(0, 0, 0, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.9);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.joystick.active {
  opacity: 0.74;
  transform: translate(-50%, -50%) scale(1);
}

.joystick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.13), transparent),
    rgba(238, 233, 223, 0.48);
  transform: translate(-50%, -50%);
}

@media (max-width: 640px) {
  .menu-card,
  .result-card,
  .pause-card {
    border-radius: 22px;
    padding: 28px 22px;
  }

  .stats-grid {
    gap: 8px;
  }

  .stat {
    min-height: 68px;
    border-radius: 15px;
    padding: 12px;
  }

  .result-actions {
    display: grid;
  }

  .upgrade-options {
    grid-template-columns: 1fr;
    gap: 9px;
    width: min(92vw, 390px);
  }

  .upgrade-option {
    grid-template-rows: 28px 30px minmax(58px, 1fr);
    min-height: 140px;
    padding: 13px 14px;
  }

  .upgrade-title {
    min-height: 30px;
    font-size: 1.12rem;
  }

  .upgrade-description {
    min-height: 58px;
    padding-top: 7px;
    font-size: 0.85rem;
  }

  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .hud {
    padding: 12px 12px 13px;
    border-radius: 18px;
  }

  .menu-shape {
    opacity: 0.38;
  }
}