:root {
  color-scheme: dark;
  --ink: #f8fbff;
  --muted: #b9c6d8;
  --panel: rgba(12, 24, 38, 0.78);
  --panel-strong: rgba(8, 18, 32, 0.9);
  --line: rgba(255, 255, 255, 0.18);
  --accent: #ffd166;
  --accent-strong: #f9844a;
  --button: #eff6ff;
  --button-ink: #0e2033;
  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: #142235;
}

button {
  font: inherit;
}

input {
  font: inherit;
}

.game-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 520px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(57, 111, 138, 0.25), rgba(10, 18, 31, 0.28)),
    #1f3a5f;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hud {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  left: 50%;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(72px, auto)) minmax(136px, 1fr) repeat(2, 44px);
  gap: 8px;
  align-items: center;
  width: min(884px, calc(100vw - 24px));
  transform: translateX(-50%);
  color: var(--ink);
  pointer-events: none;
}

.hud-group,
.icon-button {
  height: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
}

.hud-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
  padding: 0 12px;
  border-radius: 8px;
}

.hud-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hud strong {
  min-width: 2ch;
  text-align: right;
  font-size: clamp(1rem, 2vw, 1.28rem);
}

.hud-zone strong {
  max-width: 22ch;
  overflow: hidden;
  font-size: clamp(0.82rem, 1.25vw, 1.04rem);
  text-overflow: ellipsis;
  text-shadow: 0 0 18px color-mix(in srgb, var(--zone-accent, var(--accent)) 52%, transparent);
  white-space: nowrap;
}

.hud-zone {
  border-color: color-mix(in srgb, var(--zone-accent, var(--accent)) 62%, transparent);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.22),
    inset 0 0 0 1px color-mix(in srgb, var(--zone-accent, var(--accent)) 22%, transparent);
}

.icon-button {
  width: 44px;
  padding: 0;
  border-radius: 8px;
  color: var(--ink);
  font-weight: 900;
  pointer-events: auto;
  cursor: pointer;
}

.icon-button:hover,
.dpad-button:hover,
.play-button:hover,
.secondary-button:hover {
  filter: brightness(1.06);
}

.toast {
  position: absolute;
  top: calc(max(16px, env(safe-area-inset-top)) + 58px);
  left: 50%;
  z-index: 2;
  max-width: min(360px, calc(100vw - 32px));
  min-height: 38px;
  padding: 9px 16px;
  transform: translateX(-50%);
  border: 1px solid rgba(142, 202, 230, 0.5);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(11, 31, 48, 0.82);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
  font-weight: 900;
  text-align: center;
  opacity: 1;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-hidden {
  opacity: 0;
  transform: translate(-50%, -8px);
}

.zone-announcement {
  position: absolute;
  top: clamp(138px, 24vh, 220px);
  left: 50%;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 5px;
  width: max-content;
  max-width: calc(100vw - 36px);
  padding: 14px 24px 16px;
  transform: translate(-50%, -16px) scale(0.86);
  border: 2px solid var(--zone-accent, var(--accent));
  border-radius: 8px;
  color: var(--ink);
  background: rgba(5, 15, 27, 0.82);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.38),
    0 0 38px color-mix(in srgb, var(--zone-accent, var(--accent)) 44%, transparent);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.zone-announcement.is-visible {
  animation: zone-pop 1.8s cubic-bezier(0.17, 0.84, 0.24, 1) both;
  visibility: visible;
}

.zone-announcement-number {
  color: var(--zone-accent, var(--accent));
  font-size: clamp(0.78rem, 2.1vw, 1rem);
  font-weight: 1000;
  line-height: 1;
  text-transform: uppercase;
}

.zone-announcement-name {
  max-width: 14ch;
  overflow: hidden;
  color: var(--zone-accent, var(--accent));
  font-size: clamp(2.1rem, 8vw, 4.8rem);
  font-weight: 1000;
  line-height: 0.96;
  text-align: center;
  text-overflow: ellipsis;
  text-shadow:
    0 2px 0 rgba(255, 255, 255, 0.14),
    0 0 30px color-mix(in srgb, var(--zone-accent, var(--accent)) 64%, transparent);
  white-space: nowrap;
}

@keyframes zone-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, 22px) scale(0.74);
  }
  14% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1.08);
  }
  24% {
    transform: translate(-50%, 0) scale(1);
  }
  72% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -26px) scale(0.94);
  }
}

.status-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 10px;
  width: min(430px, calc(100vw - 40px));
  max-height: min(640px, calc(100vh - 96px));
  padding: 22px;
  overflow: auto;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--panel-strong);
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(14px);
}

.status-panel.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -46%);
  transition: opacity 160ms ease, transform 160ms ease;
}

.status-panel h1 {
  margin: 0;
  text-align: center;
  font-size: clamp(2rem, 7vw, 3.8rem);
  line-height: 0.95;
}

.status-panel p {
  max-width: 26ch;
  margin: 0;
  color: var(--muted);
  text-align: center;
  line-height: 1.45;
}

.play-button {
  min-width: 128px;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #271706;
  font-size: 1rem;
  font-weight: 900;
  cursor: pointer;
}

.play-button.is-hidden,
.secondary-button.is-hidden,
.score-form.is-hidden {
  display: none;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.modal-actions button {
  flex: 1 1 150px;
}

.score-form {
  display: grid;
  gap: 8px;
  width: 100%;
}

.score-form label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.score-form-row {
  width: 100%;
}

.score-form input {
  width: 100%;
  min-width: 0;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.1);
  outline: 0;
}

.score-form input:focus {
  border-color: rgba(255, 209, 102, 0.82);
  box-shadow: 0 0 0 3px rgba(255, 209, 102, 0.16);
}

.secondary-button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--button);
  color: var(--button-ink);
  font-weight: 900;
  cursor: pointer;
}

.leaderboard {
  display: grid;
  gap: 8px;
  width: 100%;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.leaderboard-header,
.leaderboard-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) minmax(54px, auto);
  align-items: center;
  gap: 8px;
}

.leaderboard-header {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.leaderboard-header span:first-child {
  grid-column: 1 / 3;
}

.leaderboard-status {
  display: inline-grid;
  min-height: 18px;
  margin-left: 6px;
  padding: 1px 7px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.64rem;
  line-height: 1;
  text-transform: none;
}

.leaderboard-status[data-state="shared"] {
  border-color: rgba(45, 212, 191, 0.36);
  color: #99f6e4;
}

.leaderboard-status[data-state="syncing"] {
  border-color: rgba(255, 209, 102, 0.32);
  color: #fde68a;
}

.leaderboard-status[data-state="local-cache"] {
  border-color: rgba(251, 146, 60, 0.34);
  color: #fed7aa;
}

.leaderboard-header span:last-child,
.leaderboard-score {
  justify-self: end;
}

.leaderboard-list {
  display: grid;
  gap: 5px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.leaderboard-item {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.leaderboard-rank,
.leaderboard-score {
  font-weight: 900;
}

.leaderboard-rank {
  color: var(--accent);
}

.leaderboard-name {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-empty {
  min-height: 32px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  font-size: 0.9rem;
}

.dpad {
  position: absolute;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 2;
  display: grid;
  grid-template-areas:
    ". up ."
    "left down right";
  grid-template-columns: repeat(3, 54px);
  grid-template-rows: repeat(2, 54px);
  gap: 8px;
}

.dpad-button {
  width: 54px;
  height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  background: rgba(245, 250, 255, 0.88);
  color: #0e2033;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  font-size: 1.22rem;
  font-weight: 1000;
  cursor: pointer;
  touch-action: manipulation;
}

.dpad-button:active,
.icon-button:active,
.play-button:active,
.secondary-button:active {
  transform: translateY(1px);
}

.dpad-up {
  grid-area: up;
}

.dpad-left {
  grid-area: left;
}

.dpad-down {
  grid-area: down;
}

.dpad-right {
  grid-area: right;
}

@media (max-width: 720px) {
  .game-shell {
    min-height: 100vh;
  }

  .hud {
    grid-template-columns: repeat(4, minmax(0, 1fr)) repeat(2, 42px);
    gap: 6px;
    width: min(560px, calc(100vw - 16px));
  }

  .hud-group {
    flex-direction: column;
    justify-content: center;
    height: 42px;
    padding: 3px 5px;
    gap: 1px;
  }

  .hud-label {
    font-size: 0.56rem;
    line-height: 1;
  }

  .hud strong {
    font-size: 0.95rem;
    line-height: 1;
  }

  .hud-zone {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-direction: row;
    height: 34px;
    gap: 8px;
  }

  .hud-zone strong {
    max-width: none;
    font-size: 0.9rem;
  }

  .icon-button {
    width: 42px;
    height: 42px;
  }

  .toast {
    top: calc(max(16px, env(safe-area-inset-top)) + 92px);
  }

  .zone-announcement {
    top: 138px;
    padding: 11px 16px 13px;
  }

  .zone-announcement-name {
    max-width: 11ch;
  }

  .dpad {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(2, 50px);
  }

  .dpad-button {
    width: 50px;
    height: 50px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .zone-announcement.is-visible {
    animation: zone-pop-reduced 1.28s ease both;
  }

  @keyframes zone-pop-reduced {
    0%,
    100% {
      opacity: 0;
      transform: translate(-50%, 0) scale(1);
    }
    18%,
    78% {
      opacity: 1;
      transform: translate(-50%, 0) scale(1);
    }
  }
}

@media (max-height: 620px) and (orientation: landscape) {
  .dpad {
    right: 14px;
    left: auto;
    transform: none;
  }

  .status-panel {
    width: min(400px, calc(100vw - 48px));
    max-height: calc(100vh - 28px);
    padding: 16px;
  }

  .status-panel h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
  }

  .play-button,
  .secondary-button {
    min-height: 44px;
  }
}