:root {
  --navy: #1b2a4a;
  --navy-2: #243a66;
  --yellow: #ffd21f;
  --yellow-dark: #d9a400;
  --teal: #16b3b0;
  --teal-dark: #0e7f7d;
  --pink: #ff3d7a;
  --white: #ffffff;
  --panel: rgba(21, 33, 60, 0.9);
  --font: 'Fredoka', 'Arial Rounded MT Bold', 'Trebuchet MS', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #6ec3fc;
  color: var(--white);
  font-family: var(--font);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#app { position: fixed; inset: 0; }

#game {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#touch {
  position: absolute;
  inset: 0;
  touch-action: none;
}

.hidden { display: none !important; }

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  color: inherit;
}

kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0.05em 0.4em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.16);
  border-bottom: 2px solid rgba(0, 0, 0, 0.35);
  font-family: inherit;
  font-size: 0.9em;
  text-align: center;
}

/* ---------- HUD ---------- */
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  padding: max(12px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.hud-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(20, 30, 55, 0.62);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 30px);
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
  font-variant-numeric: tabular-nums;
}

.mult {
  font-size: 0.62em;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--teal);
}

.mult.hot {
  background: var(--yellow);
  color: var(--navy);
  animation: pulse 0.6s ease-in-out infinite alternate;
}

@keyframes pulse { from { transform: scale(1); } to { transform: scale(1.12); } }

.coin-pill { font-size: clamp(18px, 3vw, 26px); }

.coin-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6b0 0 15%, #ffcc22 45%, #d88a00 100%);
  box-shadow: inset 0 0 0 3px #b86f00;
  vertical-align: -0.12em;
}

.coin-icon.small { width: 0.9em; height: 0.9em; margin-right: 6px; }

.icon-btn {
  pointer-events: auto;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(20, 30, 55, 0.62);
  color: var(--white);
}

.icon-btn:active { transform: scale(0.94); }

#powerups {
  position: absolute;
  left: max(14px, env(safe-area-inset-left));
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pu {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  border-radius: 14px;
  background: rgba(20, 30, 55, 0.62);
}

.pu .ico, .shop-item .ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
}

.ico svg { width: 72%; height: 72%; }

.pu .bar {
  width: 92px;
  height: 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.pu .bar i { display: block; height: 100%; border-radius: 6px; }

.board-btn {
  pointer-events: auto;
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 10px;
  border-radius: 18px;
  background: linear-gradient(160deg, #12c2c9, #7b3fe4);
  border-bottom: 4px solid rgba(0, 0, 0, 0.3);
  font-size: 22px;
  font-weight: 700;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

.board-btn:disabled { filter: grayscale(0.8) brightness(0.8); cursor: default; }
.board-btn:active:not(:disabled) { transform: translateY(2px); border-bottom-width: 2px; }

.board-icon {
  width: 38px;
  height: 14px;
  border-radius: 8px;
  background: linear-gradient(90deg, #ffd400, #ff7ab8);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}

.board-bar {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
}

.board-bar i { display: block; height: 100%; width: 0; background: #fff; }

.toast {
  position: absolute;
  left: 50%;
  top: 22%;
  transform: translate(-50%, 0) scale(0.9);
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(20, 30, 55, 0.75);
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}

.toast.show { opacity: 1; transform: translate(-50%, 0) scale(1); }

.countdown {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(90px, 22vw, 180px);
  font-weight: 700;
  color: var(--yellow);
  -webkit-text-stroke: 6px var(--navy);
  paint-order: stroke fill;
  text-shadow: 0 8px 0 rgba(0, 0, 0, 0.3);
}

/* ---------- screens ---------- */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px 16px;
  text-align: center;
  background: rgba(15, 25, 50, 0.35);
  overflow-y: auto;
}

/* Centre with auto margins rather than justify-content, so a panel taller than the screen
   (the shop on a phone) scrolls from its top instead of being clipped above it. */
.screen:not(.menu) { justify-content: flex-start; }
.screen:not(.menu) > :first-child { margin-top: auto; }
.screen:not(.menu) > :last-child { margin-bottom: auto; }

.screen.menu {
  background: linear-gradient(180deg, rgba(15, 25, 50, 0.1) 0%, rgba(15, 25, 50, 0.1) 45%, rgba(15, 25, 50, 0.55) 100%);
  justify-content: space-between;
}

#loading { background: var(--navy); justify-content: center; }

.logo {
  width: min(560px, 86vw);
  max-height: 34vh;
  object-fit: contain;
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.25));
}

.menu .logo { margin-top: 2vh; }

@media (min-aspect-ratio: 1/1) {
  .screen.menu {
    align-items: flex-end;
    justify-content: center;
    gap: 3vh;
    padding-right: max(4vw, env(safe-area-inset-right));
    background: linear-gradient(90deg, rgba(15, 25, 50, 0) 0%, rgba(15, 25, 50, 0) 40%, rgba(15, 25, 50, 0.45) 100%);
  }
  .screen.menu > * { width: min(560px, 50vw); }
  .menu .logo { margin-top: 0; }
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: min(440px, 100%);
  padding: 22px 20px;
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.panel.wide { width: min(720px, 100%); }

.panel h2 {
  margin: 0;
  font-size: clamp(34px, 7vw, 48px);
  color: var(--yellow);
  -webkit-text-stroke: 2px var(--navy);
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
}

.panel h3 { margin: 6px 0 4px; color: var(--yellow); }

.row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.panel .row { width: 100%; }
.panel .row .btn { flex: 1 1 140px; }

.btn {
  min-width: 140px;
  padding: 12px 22px;
  border-radius: 16px;
  background: var(--teal);
  border-bottom: 5px solid var(--teal-dark);
  font-size: 20px;
  font-weight: 700;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.btn:active { transform: translateY(3px); border-bottom-width: 2px; }
.btn:focus-visible, .chip:focus-visible, .icon-btn:focus-visible, .board-btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.btn.primary {
  background: var(--yellow);
  border-bottom-color: var(--yellow-dark);
  color: var(--navy);
  text-shadow: none;
}

.btn.big { min-width: 220px; padding: 14px 36px; font-size: 30px; }

.btn:disabled { opacity: 0.5; cursor: default; }

.chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 15px;
  font-weight: 600;
}

.chip[aria-pressed="false"] { opacity: 0.6; }

.menu-stats, .results {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 96px;
  padding: 8px 14px;
  border-radius: 16px;
  background: var(--panel);
}

.stat .label { font-size: 14px; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.06em; }
.stat .value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }

.menu-bottom { display: flex; flex-direction: column; align-items: center; gap: 12px; }

.hint { margin: 0; opacity: 0.85; font-size: 15px; }

.badge {
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--pink);
  font-weight: 700;
  animation: pulse 0.6s ease-in-out infinite alternate;
}

.loadbar {
  width: min(320px, 80vw);
  height: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.loadbar i { display: block; height: 100%; width: 0; background: var(--yellow); transition: width 0.2s; }

.bank { font-size: 26px; font-weight: 700; }
.shop-note { margin: -4px 0 0; font-size: 14px; opacity: 0.8; }

.shop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  text-align: left;
}

.shop-item .ico {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.shop-item .info { flex: 1; min-width: 0; }
.shop-item .name { font-weight: 700; font-size: 18px; }
.shop-item .desc { font-size: 14px; opacity: 0.75; }

.pips { display: flex; gap: 4px; margin-top: 4px; }
.pips i { width: 18px; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.2); }
.pips i.on { background: var(--yellow); }

.shop-item .btn { min-width: 110px; padding: 8px 12px; font-size: 17px; }

.shop-head { text-align: left; margin-top: 4px; }
.shop-head h3 { margin: 0; color: var(--yellow); }
.shop-head .shop-note { margin: 2px 0 0; }

.runner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
  gap: 10px;
}

.runner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 8px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid transparent;
}

.runner-card.active { border-color: var(--yellow); background: rgba(255, 212, 0, 0.12); }
.runner-card img { width: 84px; height: 84px; border-radius: 50%; background: #fff; object-fit: cover; }
.runner-card .name { font-weight: 700; font-size: 18px; }
.runner-card .desc { font-size: 12.5px; opacity: 0.75; line-height: 1.25; text-align: center; flex: 1; }
.runner-card .btn { width: 100%; padding: 7px 8px; font-size: 16px; }

.help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px 24px;
  text-align: left;
  width: 100%;
}

.help-grid ul { margin: 0; padding-left: 18px; line-height: 1.6; }

@media (max-height: 560px) {
  .logo { max-height: 26vh; }
  .btn.big { font-size: 24px; padding: 10px 28px; }
  .stat .value { font-size: 20px; }
}

/* FPS counter (toggle with F or the title-screen chip); sits above every screen */
.fps {
  position: absolute;
  left: max(12px, env(safe-area-inset-left));
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 50;
  padding: 3px 9px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.55);
  color: #9dff9d;
  font: 600 13px/1.4 ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  pointer-events: none;
  white-space: nowrap;
}