:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --ink: #f4f7f9;
  --muted: #b6c2ce;
  --panel: rgba(13, 22, 30, 0.78);
  --panel-strong: rgba(10, 17, 24, 0.92);
  --line: rgba(255, 255, 255, 0.14);
  --accent: #ffcc4d;
  --accent-ink: #17120a;
  --danger: #ff6b5d;
  --good: #5ee3a2;
  --cyan: #7ef4ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: #0c141d;
  color: var(--ink);
}

button, input { font: inherit; }

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(24, 42, 54, 0.85), rgba(13, 20, 27, 0.95)),
    radial-gradient(circle at 18% 22%, rgba(122, 194, 177, 0.18), transparent 28%),
    radial-gradient(circle at 84% 80%, rgba(255, 204, 77, 0.13), transparent 28%);
}

.stage {
  position: relative;
  width: min(100%, 1180px, calc((100dvh - 36px) * 16 / 9));
  aspect-ratio: 16 / 9;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: #152331;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
}

.game-root, .game-root canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

/* ------------------------------- HUD -------------------------------- */

.hud {
  position: absolute;
  z-index: 5;
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.hud-top {
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 9px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: conic-gradient(from 270deg, #ffcc4d 0 27%, #77d4ff 27% 58%, #5ee3a2 58% 100%);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.chapter-chip {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.stats {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: clamp(0.74rem, 1.5vw, 0.88rem);
}

.stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.stat em { font-style: normal; opacity: 0.75; }
.stat strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.stat[data-tone="warn"] { border-color: rgba(255, 107, 93, 0.65); background: rgba(255, 107, 93, 0.14); }
.stat[data-tone="warn"] strong { color: var(--danger); }

.hud-actions { display: inline-flex; gap: 7px; }

/* --------------------------- buttons -------------------------------- */

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  min-width: 40px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  cursor: pointer;
  transition: background 120ms ease, transform 80ms ease;
}

button:hover { background: rgba(255, 255, 255, 0.13); }
button:active { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: 0.52; transform: none; }
button svg { width: 17px; height: 17px; flex: 0 0 auto; }

.icon-button { width: 38px; height: 38px; padding: 0; }

.icon-button .icon-play, .icon-button .icon-muted { display: none; }
.icon-button.is-paused .icon-pause { display: none; }
.icon-button.is-paused .icon-play { display: block; }
.icon-button.is-muted .icon-sound { display: none; }
.icon-button.is-muted .icon-muted { display: block; }

.primary {
  padding: 0 16px;
  border-color: rgba(255, 204, 77, 0.72);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}
.primary:hover { background: #ffd76e; }

.ghost { background: rgba(255, 255, 255, 0.08); font-weight: 700; }
.big { height: 46px; padding: 0 22px; }

.tool-button { padding: 0 13px; font-weight: 700; }

/* ---------------------------- menu panel ----------------------------- */

.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  width: 230px;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-strong);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}
.menu-panel[hidden] { display: none; }

.menu-item { justify-content: flex-start; height: 40px; padding: 0 12px; font-weight: 600; font-size: 0.88rem; }

/* --------------------------- drop controls --------------------------- */

.controls {
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr)) auto auto;
  gap: 10px;
  align-items: end;
  padding: 11px 12px;
  border-radius: 9px;
}
.controls[hidden] { display: none; }

.control {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 10px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.8rem;
}
.control span, .control output { white-space: nowrap; }
.control output { color: var(--ink); font-variant-numeric: tabular-nums; }
.control input {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--accent);
}

/* ---------------------------- bomb panel ----------------------------- */

.bomb-panel {
  right: 12px;
  bottom: 84px;
  display: grid;
  width: min(430px, calc(100% - 24px));
  gap: 11px;
  padding: 12px;
  border-radius: 9px;
}
.bomb-panel[hidden] { display: none; }

.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel-head strong { font-size: 0.92rem; }
.panel-head .icon-button { width: 32px; height: 32px; }

.segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.segmented.seg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.segmented.seg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.segment {
  height: 33px;
  min-width: 0;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}
.segment.is-active {
  border-color: rgba(255, 204, 77, 0.7);
  background: rgba(255, 204, 77, 0.18);
  color: var(--ink);
}

.bomb-summary {
  min-height: 30px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.35;
}

/* --------------------------- messages -------------------------------- */

.message {
  position: absolute;
  z-index: 6;
  top: 76px;
  left: 50%;
  max-width: min(640px, calc(100% - 32px));
  padding: 9px 14px;
  transform: translateX(-50%) translateY(-4px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--ink);
  font-size: 0.92rem;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.message.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

.level-banner {
  position: absolute;
  z-index: 6;
  top: 34%;
  left: 50%;
  display: grid;
  justify-items: center;
  gap: 4px;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  opacity: 0;
}
.level-banner strong {
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.65);
}
.level-banner span {
  color: var(--muted);
  font-size: clamp(0.82rem, 1.7vw, 1rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
}
.level-banner.is-live { animation: bannerIn 2.4s ease forwards; }

@keyframes bannerIn {
  0% { opacity: 0; transform: translate(-50%, -42%); }
  12% { opacity: 1; transform: translate(-50%, -50%); }
  78% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -56%); }
}

.control-hint {
  position: absolute;
  z-index: 5;
  bottom: 10px;
  left: 50%;
  margin: 0;
  padding: 5px 12px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(7, 14, 21, 0.55);
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  pointer-events: none;
}
.control-hint[hidden] { display: none; }

/* ---------------------------- touch pads ----------------------------- */

.touch-controls {
  position: absolute;
  inset: auto 18px 18px;
  z-index: 7;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}
.touch-controls[hidden] { display: none; }

.touch-pad {
  position: relative;
  width: 110px;
  height: 110px;
  pointer-events: auto;
  touch-action: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.12) 0 28%, transparent 29%),
    rgba(7, 14, 21, 0.42);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.fire-pad { border-color: rgba(255, 204, 77, 0.42); }

.pad-cross::before, .pad-cross::after {
  position: absolute;
  content: "";
  background: rgba(255, 255, 255, 0.28);
  pointer-events: none;
}
.pad-cross::before { top: 50%; left: 18px; right: 18px; height: 2px; transform: translateY(-50%); }
.pad-cross::after { top: 18px; bottom: 18px; left: 50%; width: 2px; transform: translateX(-50%); }

.pad-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(244, 247, 249, 0.9);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}
.fire-pad .pad-knob { background: var(--accent); }

/* ----------------------------- overlays ------------------------------ */

.overlay {
  position: absolute;
  inset: 0;
  z-index: 9;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 10, 16, 0.72);
  backdrop-filter: blur(7px);
}
.overlay[hidden] { display: none; }

.overlay-card {
  display: grid;
  gap: 12px;
  width: min(560px, 100%);
  max-height: calc(100% - 16px);
  overflow: auto;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
  text-align: center;
  animation: cardIn 260ms ease;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.overlay-card h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 900;
  letter-spacing: 0.14em;
}
.overlay-card h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  font-weight: 900;
  letter-spacing: 0.07em;
}

.title-mark {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  background: conic-gradient(from 270deg, #ffcc4d 0 27%, #77d4ff 27% 58%, #5ee3a2 58% 100%);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.07), 0 12px 40px rgba(255, 204, 77, 0.25);
}

.title-tag {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.overlay-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
}

.overlay-foot { margin: 4px 0 0; color: var(--muted); font-size: 0.76rem; opacity: 0.8; }

.brief-kicker {
  margin: 0;
  color: var(--accent, #ffcc4d);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.34em;
}
.brief-card { border-top: 3px solid var(--accent, #ffcc4d); }
.brief-card .brief-kicker { color: var(--accent); }

.brief-objective {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
}
.brief-objective strong {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.brief-controls { margin: 0; color: var(--muted); font-size: 0.82rem; }

.fail-card { border-top: 3px solid var(--danger); }
.fail-card .brief-kicker { color: var(--danger); }

.epilogue-card { border-top: 3px solid var(--good); }
.epilogue-card .brief-kicker { color: var(--good); }

.epilogue-stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.epilogue-stats span {
  display: grid;
  gap: 2px;
  min-width: 110px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}
.epilogue-stats em { color: var(--muted); font-style: normal; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.epilogue-stats strong { font-size: 1.25rem; font-variant-numeric: tabular-nums; }

.help-row {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent, #ffcc4d);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  text-align: left;
}
.help-row strong { font-size: 0.85rem; color: var(--ink); }
.help-row p { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.45; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ------------------------------ mobile ------------------------------- */

@media (max-width: 760px) {
  body { overflow: auto; }
  .shell { min-height: 100dvh; padding: 10px; }

  .stage {
    width: calc(100vw - 20px);
    min-height: 620px;
    aspect-ratio: auto;
  }

  .game-root { inset: 92px 0 150px; height: auto !important; }
  .game-root canvas { inset: 0; height: 100% !important; }
  .stage.is-full-game .game-root { inset: 92px 0 0; }

  .hud-top {
    top: 8px;
    left: 8px;
    right: 8px;
    flex-wrap: wrap;
    min-height: 42px;
    padding: 6px 8px;
    gap: 6px;
  }
  .brand-name { display: none; }
  .stats { order: 3; flex-basis: 100%; justify-content: flex-start; gap: 5px; font-size: 0.72rem; }
  .stat { min-height: 24px; padding: 3px 7px; }
  .chapter-chip { font-size: 0.64rem; }

  .controls {
    left: 8px;
    right: 8px;
    bottom: 8px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 8px;
  }
  .control { font-size: 0.68rem; }
  .primary { grid-column: 1 / 3; height: 40px; }
  .tool-button { grid-column: 3; width: 100%; height: 40px; padding: 0; }
  .tool-button .button-label { display: none; }

  .bomb-panel {
    left: 8px;
    right: 8px;
    top: 96px;
    bottom: auto;
    width: auto;
    max-height: min(340px, calc(100dvh - 200px));
    overflow: auto;
  }
  .segmented.seg-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .message { top: 100px; font-size: 0.85rem; }
  .level-banner { top: 40%; }
  .touch-controls { left: 12px; right: 12px; bottom: 14px; }
  .touch-pad { width: 86px; height: 86px; }
  .pad-knob { width: 26px; height: 26px; }
  .control-hint { display: none; }
  .overlay-card { padding: 20px 16px; }
}