:root {
  --ink: #082433;
  --cream: #fff6dc;
  --yellow: #ffd34e;
  --green: #68c43a;
  --green-dark: #2d7b2e;
  --ocean: #087d9b;
  --panel: rgba(5, 33, 45, 0.89);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  background: #032733;
  color: var(--cream);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}
button { font: inherit; }

#app {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 480px;
  isolation: isolate;
  overflow: hidden;
  background: #5ccbe6;
}

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

.topbar {
  position: absolute;
  z-index: 5;
  top: max(12px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  right: max(14px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 14px;
  background: rgba(0, 39, 57, .42);
  box-shadow: 0 7px 24px rgba(0,0,0,.12);
  backdrop-filter: blur(10px);
}
.brand-mark { font-size: 25px; filter: drop-shadow(0 2px 2px rgba(0,0,0,.3)); }
.brand strong { display: block; font-size: 12px; letter-spacing: .12em; line-height: 1; }
.brand small { display: block; margin-top: 4px; font-size: 8px; letter-spacing: .20em; opacity: .8; }
.actions { display: flex; gap: 7px; pointer-events: auto; }
.icon-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  color: #fff;
  background: rgba(0,39,57,.48);
  cursor: pointer;
  box-shadow: 0 7px 20px rgba(0,0,0,.13);
  backdrop-filter: blur(10px);
  transition: transform .15s ease, background .15s ease;
}
.icon-btn:hover { transform: translateY(-1px); background: rgba(0,39,57,.72); }
.icon-btn:active { transform: scale(.95); }

.hud {
  position: absolute;
  z-index: 4;
  top: max(76px, calc(env(safe-area-inset-top) + 68px));
  left: 50%;
  display: flex;
  gap: 9px;
  transform: translateX(-50%);
  transition: opacity .2s ease;
}
.score-box {
  min-width: 80px;
  padding: 7px 12px 8px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 13px;
  text-align: center;
  background: rgba(0,39,57,.38);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  backdrop-filter: blur(8px);
}
.score-box span { display: block; font-size: 8px; font-weight: 800; letter-spacing: .18em; opacity: .8; }
.score-box strong { display: block; margin-top: 1px; font-size: 24px; line-height: 1; text-shadow: 0 2px 0 rgba(0,0,0,.18); }
.score-box.best strong { color: var(--yellow); }

.scene-banner {
  position: absolute;
  z-index: 4;
  top: max(132px, calc(env(safe-area-inset-top) + 122px));
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.scene-pill {
  min-width: min(82vw, 330px);
  padding: 9px 14px 10px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(0, 21, 31, .34);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  backdrop-filter: blur(8px);
  text-align: center;
}
.scene-pill span,
.scene-pill small {
  display: block;
  font-size: 8px;
  letter-spacing: .2em;
  opacity: .76;
}
.scene-pill strong {
  display: block;
  margin: 3px 0 2px;
  font-size: 14px;
  letter-spacing: .03em;
}

.panel {
  position: absolute;
  z-index: 10;
  top: 50%;
  left: 50%;
  width: min(92vw, 430px);
  padding: 30px 28px 25px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 28px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(104,196,58,.22), transparent 42%),
    var(--panel);
  box-shadow: 0 28px 80px rgba(0,0,0,.36);
  backdrop-filter: blur(17px);
  animation: panelIn .35s cubic-bezier(.2,.8,.2,1) both;
}
.panel.compact { width: min(88vw, 360px); }
.panel h1, .panel h2 {
  margin: 11px 0 10px;
  font-size: clamp(31px, 7vw, 46px);
  line-height: .98;
  letter-spacing: -.045em;
}
.panel h2 { font-size: clamp(27px, 6vw, 38px); }
.panel p { max-width: 340px; margin: 0 auto 21px; color: rgba(255,246,220,.82); font-size: 14px; line-height: 1.5; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 5px 11px 4px;
  border-radius: 999px;
  color: #083321;
  background: var(--yellow);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .15em;
  box-shadow: 0 5px 14px rgba(0,0,0,.16);
}
.primary-btn {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 16px;
  color: #082433;
  background: linear-gradient(#ffe170, #ffc72d);
  font-weight: 950;
  letter-spacing: .06em;
  cursor: pointer;
  box-shadow: 0 8px 0 #b97a08, 0 14px 25px rgba(0,0,0,.25);
  transition: transform .14s ease, box-shadow .14s ease;
}
.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 0 #b97a08, 0 17px 28px rgba(0,0,0,.28); }
.primary-btn:active { transform: translateY(6px); box-shadow: 0 2px 0 #b97a08, 0 7px 15px rgba(0,0,0,.22); }
.instructions {
  display: grid;
  gap: 5px;
  margin-top: 20px;
  font-size: 10px;
  color: rgba(255,255,255,.63);
  letter-spacing: .02em;
}
.instructions b { color: #fff; }
.results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin: 19px 0 16px;
}
.results div {
  padding: 13px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 16px;
  background: rgba(255,255,255,.07);
}
.results span { display: block; font-size: 9px; letter-spacing: .14em; opacity: .7; }
.results strong { display: block; margin-top: 4px; font-size: 32px; color: var(--yellow); }

.credit {
  position: absolute;
  z-index: 4;
  bottom: max(8px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  color: rgba(255,255,255,.58);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .16em;
  text-shadow: 0 1px 4px rgba(0,0,0,.45);
  pointer-events: none;
}
.hidden { display: none !important; }
.rotate-hint { display: none; }

@keyframes panelIn {
  from { opacity: 0; transform: translate(-50%, -46%) scale(.96); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 520px) {
  #app { min-height: 430px; }
  .topbar { top: max(8px, env(safe-area-inset-top)); left: 9px; right: 9px; }
  .brand { padding: 7px 9px; border-radius: 12px; }
  .brand-mark { font-size: 21px; }
  .brand strong { font-size: 10px; }
  .icon-btn { width: 38px; height: 38px; }
  .hud { top: max(62px, calc(env(safe-area-inset-top) + 54px)); }
  .scene-banner { top: max(114px, calc(env(safe-area-inset-top) + 108px)); }
  .score-box { min-width: 68px; padding: 6px 9px 7px; }
  .score-box strong { font-size: 21px; }
  .scene-pill { min-width: min(90vw, 290px); padding: 7px 12px 8px; }
  .scene-pill strong { font-size: 12px; }
  .panel { padding: 25px 20px 21px; border-radius: 24px; }
  .credit { font-size: 6px; }
}

@media (max-height: 560px) and (orientation: landscape) {
  .brand { transform: scale(.88); transform-origin: left top; }
  .actions { transform: scale(.88); transform-origin: right top; }
  .hud { top: 12px; }
  .scene-banner { top: 54px; }
  .panel { width: min(76vw, 440px); padding: 18px 23px 17px; }
  .panel h1, .panel h2 { margin: 7px 0; font-size: 31px; }
  .panel p { margin-bottom: 12px; font-size: 12px; }
  .primary-btn { min-height: 45px; }
  .instructions { display: none; }
  .results { margin: 10px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}