Made of little things.

/*
  "Dusk before impact": a saturated sunset scene with an ink-black stickman.
  The HUD reads like stencilled warning signage: condensed uppercase type in
  warm cream over ink, molten orange for the one primary action, ember red for
  danger. Colors are app-owned and do not follow the host theme.
*/

:root {
  --ink: #140e1a;
  --ink-soft: rgba(20, 14, 26, 0.5);
  --cream: #fff1dc;
  --cream-dim: rgba(255, 241, 220, 0.78);
  --molten: #ff7a2f;
  --molten-deep: #9c3a14;
  --ember: #ff4a3d;
  --sky-top: #2c1b45;
  --font-display: "Bahnschrift Condensed", "Oswald", "Roboto Condensed", "Arial Narrow", Impact, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --pad: clamp(4px, 1.6vmin, 14px);
  --pad-button: clamp(44px, 13vmin, 76px);
  --napplet-text-selection: none;
  color-scheme: dark;
  font: 14px/1.35 var(--font-body);
}

* {
  box-sizing: border-box;
}

:where(html, body, body *) {
  -webkit-user-select: var(--napplet-text-selection, none);
  user-select: var(--napplet-text-selection, none);
}

html,
body,
#app {
  height: 100%;
  margin: 0;
  background: var(--sky-top);
  color: var(--cream);
}

.app {
  position: relative;
  overflow: hidden;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

.scene {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid var(--cream);
  outline-offset: 2px;
}

/* HUD ────────────────────────────────────────────────────────────────── */

.hud {
  position: absolute;
  inset: 0 0 auto;
  display: flex;
  align-items: flex-start;
  gap: clamp(8px, 3vmin, 28px);
  padding: var(--pad) var(--pad) 0;
  pointer-events: none;
  font-family: var(--font-display);
  text-transform: uppercase;
  text-shadow: 0 1px 0 var(--ink), 0 0 6px var(--ink-soft);
}

.readout {
  display: grid;
  line-height: 1;
}

.hud-label {
  font-size: clamp(9px, 2vmin, 12px);
  letter-spacing: 0.18em;
  color: var(--cream-dim);
}

.clock {
  font-size: clamp(18px, 6vmin, 40px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.best {
  font-size: clamp(13px, 3.4vmin, 22px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--molten);
}

.hud-button {
  pointer-events: auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-top: -4px;
  margin-right: -4px;
  padding: 0;
  border: 2px solid rgba(255, 241, 220, 0.4);
  border-radius: 50%;
  background: var(--ink-soft);
  font-size: 13px;
  letter-spacing: -0.1em;
}

.sound {
  margin-left: auto;
}

.sound svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sound .speaker {
  fill: currentColor;
}

.app[data-sound="on"] .sound .cross,
.app[data-sound="off"] .sound .waves {
  display: none;
}

.app:not([data-mode="playing"], [data-mode="paused"]) .hud-button,
.app[data-overlay="on"] .readout {
  visibility: hidden;
}

/* Overlay: title, pause and game over ─────────────────────────────────── */

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1.8vmin, 14px);
  padding: var(--pad);
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(20, 14, 26, 0.45), rgba(20, 14, 26, 0.85));
}

.overlay[hidden] {
  display: none;
}

.overlay p {
  margin: 0;
}

.kicker {
  font-family: var(--font-display);
  font-size: clamp(11px, 2.8vmin, 18px);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--molten);
}

.headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 11vmin, 92px);
  font-weight: 700;
  line-height: 0.95;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 3px 0 var(--ink);
}

.detail {
  max-width: 36ch;
  font-size: clamp(12px, 2.6vmin, 16px);
  color: var(--cream-dim);
}

.go {
  min-width: 132px;
  min-height: 44px;
  margin-top: clamp(2px, 1vmin, 8px);
  padding: 0 28px;
  border: 0;
  border-radius: 4px;
  background: var(--molten);
  box-shadow: 0 4px 0 var(--molten-deep);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(15px, 3.2vmin, 22px);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.go:hover {
  background: #ff8c47;
}

.go:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--molten-deep);
}

.hint {
  font-size: clamp(10px, 2.2vmin, 13px);
  color: var(--cream-dim);
  opacity: 0.85;
}

.app[data-touch="on"] .hint-keys,
.app[data-touch="off"] .hint-touch,
.app[data-pad="off"] .hint-pad,
.app[data-pad="on"] .hint-keys,
.app[data-pad="on"] .hint-touch {
  display: none;
}

/* Split-screen panes ──────────────────────────────────────────────────── */

.panes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  font-family: var(--font-display);
  text-transform: uppercase;
}

.pane-label {
  position: absolute;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 6px;
  overflow: hidden;
}

.pane-chip {
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--player);
  color: var(--ink);
  font-size: clamp(11px, 2.4vmin, 15px);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.pane-state {
  font-size: clamp(10px, 2.2vmin, 13px);
  letter-spacing: 0.12em;
  color: var(--cream);
  text-shadow: 0 1px 0 var(--ink), 0 0 6px var(--ink-soft);
  white-space: nowrap;
}

.pane-spare {
  position: absolute;
  display: grid;
  place-items: center;
  padding: var(--pad);
  text-align: center;
  font-size: clamp(10px, 2.4vmin, 14px);
  letter-spacing: 0.14em;
  color: var(--cream-dim);
}

/* Keyboard and touch drive the solo player only. */
.app[data-split="on"] .touch-pad,
.app[data-split="on"] .hint-keys,
.app[data-split="on"] .hint-touch {
  display: none !important;
}

/* Touch pads ───────────────────────────────────────────────────────────── */

.touch-pad {
  position: absolute;
  inset: auto 0 0;
  display: none;
  justify-content: space-between;
  gap: 8px;
  padding: 0 max(var(--pad), env(safe-area-inset-right)) max(var(--pad), env(safe-area-inset-bottom))
    max(var(--pad), env(safe-area-inset-left));
  pointer-events: none;
}

.app[data-touch="on"][data-mode="playing"] .touch-pad {
  display: flex;
}

.pad-group {
  display: flex;
  gap: clamp(6px, 2vmin, 16px);
}

.pad-stack {
  display: flex;
  gap: inherit;
}

.touch-pad button {
  pointer-events: auto;
  touch-action: none;
  display: grid;
  place-items: center;
  width: var(--pad-button);
  height: var(--pad-button);
  padding: 0;
  border: 2px solid rgba(255, 241, 220, 0.45);
  border-radius: 50%;
  background: rgba(20, 14, 26, 0.32);
  color: var(--cream);
  font-size: calc(var(--pad-button) * 0.36);
  opacity: 0.8;
}

.touch-pad button:active {
  background: rgba(255, 122, 47, 0.55);
  opacity: 1;
}

.touch-pad .pad-jump {
  border-color: rgba(255, 122, 47, 0.8);
}

/* Small frames: keep the clock and actions, drop the prose. */

@media (max-height: 300px), (max-width: 300px) {
  .detail,
  .hint {
    display: none;
  }

  .readout-best .hud-label {
    display: none;
  }

  /* Smaller visual, same 44px hit area. */
  .hud-button {
    position: relative;
    width: 30px;
    height: 30px;
    margin: 0;
    font-size: 10px;
  }

  .hud-button::after {
    content: "";
    position: absolute;
    inset: -7px;
  }
}

@media (max-width: 240px) {
  :root {
    --pad-button: 40px;
  }

  .pad-group {
    gap: 4px;
  }
}

/* Too narrow for five buttons in a row: stack crawl above drop. */
@media (max-width: 280px) {
  .pad-group {
    align-items: flex-end;
  }

  .pad-stack {
    flex-direction: column;
  }
}