:root {
  color-scheme: dark;
  --bg: #11150f;
  --panel: #1d2319;
  --panel-strong: #262d20;
  --line: #48533b;
  --line-bright: #879365;
  --text: #f1f3dc;
  --muted: #b4ba9b;
  --olive: #8da04f;
  --amber: #f0b646;
  --danger: #d45d45;
  --shadow: rgba(0, 0, 0, 0.45);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 10%, rgba(141, 160, 79, 0.18), transparent 28rem),
    linear-gradient(135deg, #161b13, #0c0f0b 70%);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family:
    "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
  overscroll-behavior: none;
}

button,
canvas,
kbd {
  font: inherit;
}

button {
  min-width: 0;
  min-height: 44px;
  border: 1px solid #c6d87b;
  border-radius: 6px;
  padding: 0.72rem 1rem;
  background: linear-gradient(180deg, #a0b85a, #617434);
  color: #10150d;
  cursor: pointer;
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
  box-shadow: 0 8px 18px var(--shadow);
}

.secondary-action {
  border-color: var(--line-bright);
  background: #27301f;
  color: var(--text);
}

.danger-action {
  border-color: #f09d7e;
  background: linear-gradient(180deg, #dc6d50, #883925);
  color: var(--text);
}

button:focus-visible {
  outline: 3px solid rgba(240, 182, 70, 0.65);
  outline-offset: 2px;
}

.shell {
  width: min(980px, calc(100vw - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 0;
  display: grid;
  place-items: center;
}

.game-panel {
  width: 100%;
  display: grid;
  gap: 14px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(420px, 620px);
  gap: 12px;
  align-items: stretch;
}

.brand,
.hud-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--panel);
  box-shadow: 0 16px 36px var(--shadow);
}

.brand {
  min-width: 0;
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.rank-mark {
  width: 38px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  background:
    linear-gradient(90deg, transparent 42%, #11150f 42% 58%, transparent 58%),
    linear-gradient(#a0b85a 0 0) center / 100% 32% no-repeat,
    #53672f;
  border: 2px solid #c6d87b;
  clip-path: polygon(50% 0, 100% 28%, 82% 100%, 18% 100%, 0 28%);
}

.eyebrow,
.status-label {
  margin: 0;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1;
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.hud-item {
  min-height: 70px;
  padding: 10px 12px;
  border-left: 3px solid var(--olive);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hud-item span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1;
}

.hud-item strong {
  display: block;
  margin-top: 6px;
  color: var(--amber);
  font-family: Consolas, "Courier New", monospace;
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  font-weight: 900;
  line-height: 1;
  overflow-wrap: anywhere;
}

.status-chip {
  min-height: 70px;
  border: 1px solid #d6c06c;
  border-radius: var(--radius);
  padding: 10px 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #f0b646, #b9842a);
  color: #10150d;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 16px 36px var(--shadow);
}

.stage-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: 0 auto;
  min-height: 280px;
  overflow: hidden;
  border: 2px solid var(--line-bright);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 28px 28px,
    #0b0e0a;
  box-shadow: inset 0 0 0 4px #171d13, 0 18px 42px var(--shadow);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(7, 9, 7, 0.72);
  backdrop-filter: blur(2px);
}

.overlay.is-hidden {
  display: none;
}

.overlay-content {
  width: min(420px, 100%);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  padding: clamp(18px, 4vw, 30px);
  text-align: center;
  background:
    linear-gradient(180deg, rgba(240, 182, 70, 0.1), transparent 42%),
    #181e14;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.5);
}

.overlay-content h2 {
  margin-top: 6px;
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1;
}

#statusText {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.55;
}

.overlay-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.overlay-actions button {
  width: min(180px, 100%);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.touch-controls {
  display: grid;
  grid-template-columns: minmax(150px, 190px) minmax(112px, 1fr);
  gap: 12px;
  align-items: center;
}

.dpad {
  width: min(190px, 48vw);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 7px;
  touch-action: none;
  user-select: none;
}

.touch-button,
.fire-action {
  min-height: 54px;
  padding: 0;
  display: grid;
  place-items: center;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.touch-button {
  font-size: 1.25rem;
}

.dpad-up {
  grid-column: 2;
  grid-row: 1;
}

.dpad-left {
  grid-column: 1;
  grid-row: 2;
}

.dpad-down {
  grid-column: 2;
  grid-row: 3;
}

.dpad-right {
  grid-column: 3;
  grid-row: 2;
}

.fire-action {
  min-height: 86px;
  border-color: #ffd36a;
  background: linear-gradient(180deg, #f1c55d, #b97127);
  color: #151007;
  font-size: 1.1rem;
}

.key-hints {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--panel);
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.key-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.key-hint + .key-hint::before {
  content: "";
  display: block;
  width: 1px;
  height: 16px;
  background: var(--line);
  margin-right: 8px;
  flex-shrink: 0;
}

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

.controls .action-group button {
  width: 100%;
  padding-inline: 0.6rem;
}

kbd {
  min-width: 30px;
  min-height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid #727b5a;
  border-bottom-width: 3px;
  border-radius: 4px;
  padding: 0 7px;
  background: #10150d;
  color: var(--text);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.78rem;
  font-weight: 900;
}

@media (max-width: 880px) {
  .shell {
    width: min(100vw - 20px, 760px);
    padding: 10px 0;
    place-items: start center;
  }

  .topbar {
    grid-template-columns: 1fr;
  }

  .stage-wrap {
    max-height: none;
  }
}

@media (max-width: 560px) {
  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand {
    align-items: flex-start;
  }

  .rank-mark {
    width: 32px;
  }

  .hud-item {
    min-height: 58px;
    padding: 8px 10px;
    border-left-width: 2px;
  }

  .status-chip {
    min-height: 52px;
  }

  .controls .action-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .touch-controls {
    grid-template-columns: minmax(144px, 42vw) minmax(104px, 1fr);
    gap: 10px;
  }

  .dpad {
    width: min(176px, 44vw);
    gap: 6px;
  }

  .touch-button,
  .fire-action {
    min-height: 50px;
  }

  .fire-action {
    min-height: 82px;
  }

  .key-hints {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 10px;
    padding: 8px 10px;
  }

  .key-hint + .key-hint::before {
    display: none;
  }

  button {
    max-width: 100%;
    padding-inline: 0.5rem;
  }
}