:root {
  color-scheme: dark;
  --bg: #101114;
  --surface: #181b20;
  --panel: #20242b;
  --panel-strong: #292e37;
  --text: #f2f2ea;
  --muted: #aeb3aa;
  --line: #3b414b;
  --track: #303b42;
  --accent: #f1d35b;
  --accent-2: #4ac7a5;
  --danger: #ff6f61;
  --blue: #6ba8ff;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  --number-font:
    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;
  overscroll-behavior: none;
  touch-action: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(74, 199, 165, 0.18), transparent 26rem),
    radial-gradient(circle at 82% 8%, rgba(241, 211, 91, 0.16), transparent 22rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

button {
  border: 0;
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.app-shell {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.game-surface {
  position: fixed;
  inset: 0;
  display: block;
}

#gameCanvas {
  width: 100vw;
  height: 100vh;
  display: block;
  border: 0;
  border-radius: 0;
  background: var(--bg);
  box-shadow: none;
  touch-action: none;
}

.touch-controls {
  display: none;
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 20;
  width: min(100%, 520px);
  padding: 0 14px;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  transform: translateX(-50%);
  user-select: none;
  -webkit-user-select: none;
}

.touch-controls button {
  min-height: 48px;
  border: 1px solid rgba(242, 242, 234, 0.18);
  background: rgba(32, 36, 43, 0.78);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.3);
  font-size: 20px;
  font-weight: 800;
  touch-action: manipulation;
}

.touch-controls button:active {
  border-color: rgba(241, 211, 91, 0.62);
  background: rgba(241, 211, 91, 0.18);
  transform: translateY(1px);
}

.touch-controls [data-action="dash"] {
  border-color: rgba(242, 242, 234, 0.28);
  background: rgba(242, 242, 234, 0.16);
  color: #ffffff;
  font-size: 24px;
}

.side-panel {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.live-overlay,
.dev-toggle,
.dev-drawer {
  pointer-events: auto;
}

.live-overlay {
  position: fixed;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: rgba(18, 20, 24, 0.68);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.play-stats {
  display: none;
}

.history-overlay {
  top: 166px;
  right: 16px;
  width: 252px;
  max-height: min(42vh, 320px);
  padding: 10px;
}

.dev-toggle {
  position: fixed;
  top: 96px;
  right: 16px;
  z-index: 21;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(32, 36, 43, 0.82);
  color: var(--text);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  font-size: 20px;
  line-height: 1;
}

.dev-toggle[aria-expanded="true"] {
  border-color: rgba(74, 199, 165, 0.55);
  color: var(--accent-2);
}

.dev-drawer {
  position: fixed;
  top: 146px;
  right: 16px;
  z-index: 20;
  width: min(340px, calc(100vw - 32px));
  max-height: calc(100vh - 162px);
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(24, 27, 32, 0.94);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  backdrop-filter: blur(12px);
}

.dev-drawer[hidden] {
  display: none;
}

.panel-top {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.panel-actions {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.kicker {
  margin: 0 0 5px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.06;
  word-break: keep-all;
}

h2 {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

#lobbyButton,
#pauseButton,
#deathButton,
#restartButton {
  min-width: 0;
  min-height: 35px;
  padding: 8px 6px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
}

#lobbyButton,
#pauseButton {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  color: var(--text);
}

#deathButton {
  background: #ff6f61;
  color: #210908;
}

#restartButton {
  background: var(--accent);
  color: #17140a;
}

.status-block {
  display: grid;
  gap: 9px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.stat-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card {
  min-height: 44px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #252b33, #1d2229);
  display: grid;
  align-content: center;
  gap: 3px;
}

.stat-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.stat-card strong {
  color: var(--text);
  font-family: var(--number-font);
  font-size: 17px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 1;
}

.next-card {
  grid-column: span 2;
}

.next-digits {
  display: flex;
  gap: 5px;
  align-items: center;
}

.next-digits span {
  --digit-color: var(--accent);
  width: 24px;
  height: 26px;
  border: 1px solid rgba(16, 17, 20, 0.46);
  border-radius: 6px;
  background: var(--digit-color);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--digit-color) 90%, white 10%),
    var(--digit-color)
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 2px 0 rgba(0, 0, 0, 0.22);
  color: #17140a;
  display: grid;
  place-items: center;
  font-family: var(--number-font);
  font-size: 15px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 1;
}

.next-digits span.is-empty {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: none;
  color: rgba(242, 242, 234, 0.3);
}

.guess-slots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.slot {
  --digit-color: var(--accent);
  min-height: 46px;
  border: 1px solid rgba(16, 17, 20, 0.46);
  border-radius: 8px;
  background: var(--digit-color);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--digit-color) 90%, white 10%),
    var(--digit-color)
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 3px 0 rgba(0, 0, 0, 0.24);
  display: grid;
  place-items: center;
  color: #17140a;
  font-family: var(--number-font);
  font-size: 20px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 1;
}

.slot.empty {
  border-color: var(--line);
  background: var(--panel);
  box-shadow: none;
  color: rgba(242, 242, 234, 0.3);
}

.history-list {
  min-height: 108px;
  max-height: min(34vh, 260px);
  margin: 0;
  padding: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  list-style: none;
  overflow: auto;
}

.history-list li {
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
}

.history-guess {
  display: flex;
  gap: 5px;
}

.history-guess span {
  --digit-color: var(--accent);
  width: 24px;
  height: 28px;
  border: 1px solid rgba(16, 17, 20, 0.46);
  border-radius: 6px;
  background: var(--digit-color);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--digit-color) 90%, white 10%),
    var(--digit-color)
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 2px 0 rgba(0, 0, 0, 0.2);
  color: #17140a;
  display: grid;
  place-items: center;
  font-family: var(--number-font);
  font-size: 15px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 1;
}

.history-guess span.is-empty {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: none;
  color: rgba(242, 242, 234, 0.3);
}

.history-score {
  color: var(--muted);
  font-family: var(--number-font);
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  text-align: right;
}

.message-box {
  display: none;
  left: 50%;
  bottom: 18px;
  width: min(520px, calc(100vw - 32px));
  min-height: 42px;
  padding: 10px 12px;
  border-left: 3px solid var(--accent-2);
  border-radius: 6px;
  background: rgba(74, 199, 165, 0.1);
  color: #dff8ee;
  font-size: 13px;
  line-height: 1.35;
  transform: translateX(-50%);
}

.qa-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 36, 43, 0.66);
}

.qa-panel summary {
  padding: 8px 10px;
  color: var(--accent-2);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.dev-secret {
  margin: 0 10px 10px;
  padding: 9px 10px;
  border: 1px solid rgba(241, 211, 91, 0.28);
  border-radius: 8px;
  background: rgba(241, 211, 91, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.dev-secret span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.dev-secret strong {
  color: var(--accent);
  font-family: var(--number-font);
  font-size: 20px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.qa-grid {
  padding: 0 10px 10px;
  display: grid;
  gap: 8px;
}

.qa-grid label {
  display: grid;
  grid-template-columns: 66px 1fr 42px;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.qa-grid input {
  width: 100%;
  accent-color: var(--accent-2);
}

.qa-grid select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 11px;
}

.qa-grid input[type="checkbox"] {
  width: auto;
  justify-self: start;
}

.qa-grid strong {
  color: var(--text);
  font-size: 11px;
  text-align: right;
}

@media (max-width: 1120px) {
  .play-stats {
    display: none;
  }

  .play-stats .stat-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .play-stats .stat-card {
    min-height: 38px;
    padding: 6px;
  }

  .play-stats .stat-card span {
    font-size: 10px;
  }

  .play-stats .stat-card strong {
    font-size: 14px;
  }

  .history-overlay {
    top: 166px;
    right: 10px;
    width: min(210px, calc(48vw - 12px));
    max-height: 26vh;
    padding: 8px;
  }

  .touch-controls {
    display: grid;
  }
}

@media (max-width: 760px), (pointer: coarse) {
  .history-overlay,
  .dev-toggle,
  .dev-drawer,
  .message-box {
    display: none !important;
  }

  .side-panel {
    pointer-events: none;
  }

  .touch-controls {
    display: grid;
    width: min(100vw, 560px);
    padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
    gap: 12px;
  }

  .touch-controls button {
    min-height: 58px;
    border-radius: 10px;
    font-size: 22px;
  }

  .touch-controls [data-action="dash"] {
    min-height: 64px;
    font-size: 28px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 24px;
  }

  .play-stats {
    display: none;
  }

  .play-stats .stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .touch-controls {
    bottom: max(14px, env(safe-area-inset-bottom));
    gap: 9px;
  }

  .touch-controls button {
    min-height: 54px;
  }

  .touch-controls [data-action="dash"] {
    min-height: 60px;
  }
}