:root {
  color-scheme: dark;
  --bg: #0d1018;
  --panel: rgba(14, 17, 25, 0.84);
  --panel-strong: rgba(20, 24, 35, 0.96);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f6f2ea;
  --muted: #b9bdc9;
  --gold: #ffd166;
  --cyan: #2fd8ff;
  --green: #7bf0b2;
  --red: #ff4d5e;
  --ink: #171717;
  --shadow: 0 18px 72px rgba(0, 0, 0, 0.36);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  min-height: 100svh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  border-radius: 8px;
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(47, 216, 255, 0.72);
  outline-offset: 3px;
}

.app-shell {
  position: relative;
  width: 100%;
  height: 100svh;
  min-width: 320px;
  min-height: 480px;
  overflow: hidden;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  overflow: hidden;
}

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

.screen-start,
.screen-setup,
.screen-ending,
.screen-developer {
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 18px;
  padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 36%),
    radial-gradient(circle at 50% 18%, rgba(47, 216, 255, 0.16), transparent 34%),
    #0d1018;
}

.start-mark {
  width: 92px;
  height: 92px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 31%, rgba(47, 216, 255, 0.9) 32% 38%, transparent 39%),
    radial-gradient(circle, transparent 57%, rgba(255, 209, 102, 0.28) 58% 64%, transparent 65%),
    rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.start-copy,
.ending-copy,
.setup-card,
.developer-card {
  width: min(440px, 100%);
}

.setup-card,
.developer-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 8px 0 0;
  font-size: clamp(2.2rem, 12vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
}

p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(0.94rem, 4vw, 1.08rem);
  line-height: 1.6;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 48px;
  padding: 0 20px;
  cursor: pointer;
  font-weight: 900;
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.primary-button {
  min-width: 152px;
  background: linear-gradient(135deg, #2fd8ff, #7bf0b2);
  color: #071118;
}

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.ghost-button {
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--cyan);
}

button:disabled {
  cursor: default;
  opacity: 0.52;
}

@media (hover: hover) {
  button:not(:disabled):hover {
    transform: translateY(-1px);
  }
}

.status-note {
  min-height: 24px;
  margin: 0;
  color: var(--gold);
  font-size: 0.88rem;
}

.setup-actions,
.invert-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.invert-actions {
  margin-top: 10px;
}

.screen-game {
  background:
    radial-gradient(circle at 50% 26%, rgba(47, 216, 255, 0.15), transparent 28%),
    radial-gradient(circle at 20% 72%, rgba(255, 209, 102, 0.1), transparent 26%),
    #090c12;
}

.sound-field {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0.82;
  pointer-events: none;
}

.sound-field span {
  position: absolute;
  width: min(78vw, 360px);
  aspect-ratio: 1;
  border: 1px solid rgba(47, 216, 255, 0.16);
  border-radius: 50%;
  animation: pulse-ring 4.8s ease-in-out infinite;
}

.sound-field span:nth-child(2) {
  width: min(54vw, 248px);
  border-color: rgba(255, 209, 102, 0.16);
  animation-delay: -1.7s;
}

.sound-field span:nth-child(3) {
  width: min(28vw, 132px);
  border-color: rgba(123, 240, 178, 0.16);
  animation-delay: -3.1s;
}

@keyframes pulse-ring {
  0%,
  100% {
    transform: scale(0.92);
    opacity: 0.45;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.9;
  }
}

.minimap-panel {
  position: absolute;
  top: max(54px, calc(env(safe-area-inset-top) + 42px));
  right: max(14px, env(safe-area-inset-right));
  left: max(14px, env(safe-area-inset-left));
  z-index: 9;
  height: min(42svh, 330px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(246, 244, 237, 0.96);
  box-shadow: var(--shadow);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.minimap-panel.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
}

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

.story-panel {
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  left: max(14px, env(safe-area-inset-left));
  z-index: 12;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  min-height: 152px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.speaker-text,
.story-text,
.instruction-text {
  margin: 0;
}

.speaker-text {
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 900;
}

.story-text {
  color: var(--text);
  font-size: clamp(1.05rem, 5vw, 1.34rem);
  line-height: 1.45;
}

.instruction-text {
  color: var(--cyan);
  font-size: 0.92rem;
  font-weight: 800;
}

.turn-layer {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: 1fr 1fr;
  pointer-events: none;
}

.turn-zone {
  display: grid;
  place-items: center start;
  padding: 0 18px;
  color: rgba(246, 242, 234, 0.18);
  font-size: clamp(3rem, 18vw, 6.8rem);
  font-weight: 200;
  line-height: 1;
}

.turn-right {
  place-items: center end;
}

.debug-hotspot {
  position: absolute;
  top: max(8px, env(safe-area-inset-top));
  left: max(8px, env(safe-area-inset-left));
  z-index: 18;
  width: 52px;
  height: 44px;
  background: transparent;
}

.debug-panel {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  z-index: 16;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.74rem;
  box-shadow: var(--shadow);
}

.debug-panel.is-visible {
  display: grid;
}

.developer-login {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  text-align: left;
}

.developer-login label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.developer-login input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
  padding: 0 12px;
}

.developer-controls {
  display: none;
  gap: 12px;
  margin-top: 18px;
}

.developer-controls.is-visible {
  display: grid;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  text-align: left;
}

.toggle-row strong,
.toggle-row small {
  display: block;
}

.toggle-row small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.toggle-row input {
  width: 48px;
  height: 28px;
  accent-color: var(--green);
}

noscript {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
}

@media (min-width: 700px) {
  .minimap-panel {
    right: auto;
    width: 360px;
    height: 300px;
  }

  .story-panel {
    left: 50%;
    width: min(520px, calc(100% - 28px));
    transform: translateX(-50%);
  }
}

@media (max-height: 660px) {
  .minimap-panel {
    height: min(34svh, 220px);
  }

  .story-panel {
    min-height: 126px;
    padding: 12px;
  }
}