body {
  display: grid;
  place-items: center;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 15%, #14285b 0, transparent 38%),
    linear-gradient(145deg, #02030b, #070c22 62%, #14052c);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overscroll-behavior: none;
  touch-action: manipulation;
}

.app {
  position: relative;
  width: min(100vw, calc(100vh * 420 / 780));
  height: min(100vh, calc(100vw * 780 / 420));
  max-width: 520px;
  max-height: calc(520px * 780 / 420);
  overflow: hidden;
  background: var(--background);
  box-shadow: 0 0 70px rgba(45, 99, 255, .2), 0 0 0 1px rgba(255,255,255,.06);
  isolation: isolate;
}

.splash, .game-screen, canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.splash { background: #020517; }
.splash img { width: 100%; height: 100%; display: block; object-fit: cover; }
.splash::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 75%, rgba(0, 3, 18, .28));
}
.splash-play {
  position: absolute;
  z-index: 2;
  left: 22%; top: 65.4%; width: 56%; height: 10.6%;
  cursor: pointer;
  border-radius: 18%;
  background: transparent;
  filter: drop-shadow(0 0 0 transparent);
  animation: playPulse 1.8s ease-in-out infinite;
}
.splash-play:focus-visible { outline: 4px solid white; outline-offset: 4px; }
.splash-hint {
  position: absolute; z-index: 3; left: 50%; bottom: 1.2%; transform: translateX(-50%);
  width: 100%; margin: 0; text-align: center; color: rgba(255,255,255,.78);
  font-size: clamp(9px, 2.6vw, 13px); letter-spacing: .16em; text-transform: uppercase;
  text-shadow: 0 2px 6px #02030c;
}
@keyframes playPulse { 50% { filter: drop-shadow(0 0 13px rgba(255, 210, 72, .85)); } }

.game-screen { user-select: none; }
canvas { display: block; touch-action: none; cursor: pointer; }
.hud {
  position: absolute; z-index: 2; top: 0; left: 0; right: 0;
  display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: start;
  padding: max(15px, env(safe-area-inset-top)) 18px 0;
  pointer-events: none;
}
.hud-stat { display: flex; flex-direction: column; gap: 1px; }
.hud-stat-center { align-items: center; }
.hud-stat span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.hud-stat strong { font-size: 26px; font-weight: 900; line-height: 1; text-shadow: 0 0 18px rgba(93,225,255,.5); }
.icon-button {
  justify-self: end; width: 44px; height: 44px; border-radius: 14px; pointer-events: auto;
  color: white; background: rgba(5,12,35,.68); border: 1px solid rgba(93,225,255,.38);
  font-size: 18px; font-weight: 900; cursor: pointer; backdrop-filter: blur(10px);
}
.drop-prompt {
  position: absolute; z-index: 2; left: 50%; bottom: 42px; transform: translateX(-50%);
  color: white; font-size: 12px; font-weight: 900; letter-spacing: .22em;
  text-shadow: 0 0 12px var(--cyan); pointer-events: none;
  animation: prompt 1.35s ease-in-out infinite;
}
@keyframes prompt { 50% { opacity: .43; transform: translate(-50%, 4px); } }

.modal {
  position: absolute; z-index: 5; inset: 0; display: grid; place-items: center;
  padding: 24px; background: rgba(1, 4, 16, .58); backdrop-filter: blur(8px);
}
.modal-card {
  width: min(100%, 340px); padding: 30px 24px 24px; text-align: center;
  border: 1px solid rgba(93,225,255,.32); border-radius: 26px;
  background: linear-gradient(160deg, rgba(13,25,59,.97), rgba(8,8,31,.96));
  box-shadow: 0 22px 80px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.1);
}
.modal h2 { margin: 5px 0 24px; font-size: 30px; line-height: 1.03; font-weight: 900; }
.game-over-card h2 { margin: 4px 0 0; font-size: 72px; color: var(--gold); text-shadow: 0 0 24px rgba(255,209,102,.4); }
.eyebrow, .score-caption { margin: 0; color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow.danger { color: var(--danger); }
.score-caption { color: var(--muted); }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 24px 0; }
.result-grid div { padding: 14px 8px; border-radius: 15px; background: rgba(255,255,255,.05); }
.result-grid span { display: block; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.result-grid strong { display: block; margin-top: 4px; font-size: 25px; }
.new-best { margin: -12px 0 18px; color: var(--gold); font-size: 15px; font-weight: 900; letter-spacing: .13em; }
.primary-button {
  width: 100%; min-height: 54px; padding: 0 18px; border-radius: 15px; cursor: pointer;
  color: #041022; background: linear-gradient(135deg, var(--gold), #ff9d27);
  box-shadow: 0 9px 25px rgba(255,163,38,.28); font-weight: 900; letter-spacing: .08em;
}
.text-button { margin-top: 10px; padding: 12px 18px; color: var(--muted); background: transparent; cursor: pointer; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }