:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: rgba(12, 18, 31, 0.72);
  --panel-strong: rgba(12, 18, 31, 0.9);
  --line: rgba(255, 255, 255, 0.16);
  --text: #edf7ff;
  --muted: #9fb1c7;
  --accent: #63ead7;
  --gold: #f6c453;
  --danger: #ff6b8a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

#gameShell {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: radial-gradient(circle at 30% 20%, rgba(53, 176, 166, 0.18), transparent 34%),
              radial-gradient(circle at 80% 70%, rgba(246, 196, 83, 0.12), transparent 30%),
              #070a12;
}

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

.screen {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(420px, calc(100vw - 32px));
  transform: translate(-50%, -50%) scale(0.98);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(16, 25, 43, 0.94), rgba(8, 12, 22, 0.92));
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 5;
}

.screen.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.screen.compact {
  width: min(320px, calc(100vw - 32px));
}

.brand-mark {
  width: 66px;
  height: 66px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #e7fffa 0 14%, #64ead7 15% 58%, #208f92 59% 100%);
  box-shadow: 0 0 0 6px rgba(99, 234, 215, 0.1), inset -10px -12px 18px rgba(0, 0, 0, 0.22);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}

.tagline {
  margin-top: 10px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.name-label {
  display: block;
  margin: 24px 0 7px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: left;
}

input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0 13px;
  text-transform: uppercase;
  outline: none;
}

input:focus,
button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 234, 215, 0.24);
  outline: none;
}

.primary {
  width: 100%;
  height: 48px;
  margin-top: 14px;
  border: 1px solid rgba(99, 234, 215, 0.45);
  border-radius: 6px;
  background: linear-gradient(180deg, #75f7e6, #2cb6b7);
  color: #041013;
  font-weight: 800;
  cursor: pointer;
}

.hud {
  position: absolute;
  inset: 14px 14px auto 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  z-index: 3;
  pointer-events: none;
}

.score-card,
.leaderboard,
.minimap,
.icon-button {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24);
}

.joystick {
  display: none;
  position: absolute;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 4;
  width: 136px;
  height: 136px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(8, 12, 22, 0.58);
  box-shadow: inset 0 0 30px rgba(99, 234, 215, 0.08), 0 12px 34px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
  touch-action: none;
  user-select: none;
}

.joystick-thumb {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 60px;
  height: 60px;
  border: 2px solid rgba(231, 255, 250, 0.72);
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #e7fffa 0 10%, #63ead7 12% 58%, #208f92 100%);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
  transform: translate(-50%, -50%);
  transition: transform 80ms ease-out;
  pointer-events: none;
}

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

.joystick-arrows {
  position: absolute;
  inset: 8px;
  color: rgba(237, 247, 255, 0.42);
  font-size: 13px;
  pointer-events: none;
}

.joystick-arrows span { position: absolute; }
.joystick-arrows span:nth-child(1) { left: 50%; top: 0; transform: translateX(-50%); }
.joystick-arrows span:nth-child(2) { left: 0; top: 50%; transform: translateY(-50%); }
.joystick-arrows span:nth-child(3) { right: 0; top: 50%; transform: translateY(-50%); }
.joystick-arrows span:nth-child(4) { left: 50%; bottom: 0; transform: translateX(-50%); }

.score-card {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
}

.score-card div {
  min-width: 54px;
}

.score-card span,
.leaderboard h2,
.outside-rank {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
}

.score-card strong {
  display: block;
  margin-top: 2px;
  font-size: 1rem;
}

.leaderboard {
  width: min(230px, 44vw);
  padding: 10px 12px;
  border-radius: 8px;
}

.leaderboard h2 {
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.leaderboard ol {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 20px;
  font-size: 0.86rem;
}

.leaderboard li {
  padding-left: 2px;
}

.leaderboard .row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.outside-rank {
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
}

.toast-layer {
  position: absolute;
  left: 50%;
  top: 22%;
  transform: translateX(-50%);
  display: grid;
  gap: 8px;
  z-index: 4;
  pointer-events: none;
}

.toast {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(8, 12, 22, 0.78);
  color: var(--text);
  font-weight: 800;
  text-align: center;
  animation: toast 1150ms ease forwards;
}

.final-score {
  margin: 14px 0;
  color: var(--accent);
  font-size: clamp(2.2rem, 12vw, 4.8rem);
  font-weight: 900;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0 4px;
  text-align: left;
}

.stat {
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 7px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.stat strong {
  display: block;
  margin-top: 4px;
}

.icon-button {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 4;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
}

.minimap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 3;
  width: 132px;
  height: 132px;
  border-radius: 8px;
  overflow: hidden;
  opacity: 0.86;
}

@keyframes toast {
  0% { opacity: 0; transform: translateY(12px) scale(0.95); }
  14% { opacity: 1; transform: translateY(0) scale(1); }
  74% { opacity: 1; transform: translateY(-4px) scale(1); }
  100% { opacity: 0; transform: translateY(-18px) scale(0.96); }
}

@media (max-width: 700px) {
  .hud {
    inset: 10px 10px auto 10px;
    gap: 8px;
  }

  .score-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 9px 10px;
  }

  .leaderboard {
    width: 176px;
  }

  .leaderboard ol {
    font-size: 0.78rem;
  }

  .minimap {
    width: 96px;
    height: 96px;
  }

  .icon-button {
    right: auto;
    left: 118px;
  }
}

@media (pointer: coarse), (max-width: 900px) {
  #gameShell.playing .joystick { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  .screen,
  .toast {
    transition: none;
    animation-duration: 1ms;
  }
}