* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { min-height: 100%; background: radial-gradient(circle at 50% 0%, #1b2029 0%, #0d1014 60%) fixed, #0d1014; color: #fff; font-family: 'Segoe UI', Tahoma, sans-serif; touch-action: pan-y; user-select: none; -webkit-user-select: none; overflow-x: hidden; }
body { display: flex; justify-content: center; padding: 24px 12px 40px; }
#game-shell { width: min(768px, 100%, max(240px, calc((100vh - var(--gp-header-h, 80px) - 50px) * 512 / 448))); width: min(768px, 100%, max(240px, calc((100dvh - var(--gp-header-h, 80px) - 50px) * 512 / 448))); }
#game-area { position: relative; width: 100%; overflow: hidden; border: 1px solid rgba(255,255,255,.08); border-radius: 14px; background: #0f1217; touch-action: none; box-shadow: 0 18px 60px rgba(0,0,0,.6), 0 0 0 1px rgba(0,0,0,.4); }
#game-canvas { display: block; width: 100%; height: auto; touch-action: none; }
.overlay { position: absolute; inset: 0; display: flex; align-items: center; align-items: safe center; justify-content: center; overflow-y: auto; background: rgba(12,15,20,.88); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); z-index: 10; }
.overlay.hidden, .hidden { display: none !important; }
.overlay-content { width: min(390px, calc(100% - 32px)); text-align: center; padding: 24px 16px; }
.overlay h1 { font-size: clamp(30px, 8vw, 46px); font-weight: 900; letter-spacing: 4px; background: linear-gradient(135deg, #ffe18a, #ff8a3d); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 4px 18px rgba(255,138,61,.35)); margin-bottom: 10px; }
#overlay-message { color: #c8d0da; font-size: 16px; margin-bottom: 18px; }
.how-to-play { padding: 14px 16px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; color: #b8c1cb; font-size: 13px; line-height: 1.8; text-align: left; margin-bottom: 20px; }
.how-title { color: #8a95a2; font-size: 10px; font-weight: 800; letter-spacing: 2px; margin-bottom: 6px; text-transform: uppercase; }
#overlay-button { min-width: 150px; padding: 13px 30px; border: 0; border-radius: 999px; background: linear-gradient(135deg,#ffe18a,#ff8a3d); color: #1a1208; cursor: pointer; font: 800 15px 'Segoe UI',sans-serif; letter-spacing: 1px; text-transform: uppercase; box-shadow: 0 5px 24px rgba(232,112,28,.3); }
#touch-controls { display: none; justify-content: center; align-items: center; gap: 22px; padding: 12px 0 0; }
.dpad { display: flex; flex-direction: column; align-items: center; gap: 5px; }
.dpad > div { display: flex; gap: 5px; }
.dpad button, #fire-button { width: 54px; height: 46px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px; background: linear-gradient(180deg,#232a34,#171c23); color: #d6dde5; box-shadow: 0 3px 10px rgba(0,0,0,.35); cursor: pointer; font: 800 18px 'Segoe UI',sans-serif; touch-action: none; -webkit-tap-highlight-color: transparent; }
#fire-button { width: 92px; color: #ffb066; border-color: rgba(255,138,61,.55); font-size: 12px; letter-spacing: 1px; }
.dpad button:active, .dpad button.pressed, #fire-button:active, #fire-button.pressed { background: #2c3541; border-color: #ffd36e; color: #fff; transform: scale(.95); }
#highscores { list-style: none; margin: 18px 0 0; padding: 12px 16px; background: #151a21; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; color: #c3cbd4; text-align: center; font-size: 13px; line-height: 1.8; }
#highscores::before { content: 'TOP SCORES'; display: block; color: #ffd36e; font-size: 10px; font-weight: 800; letter-spacing: 2px; margin-bottom: 4px; }
#highscores li:first-child { color: #fff; font-weight: 800; }

@media (pointer: coarse), (max-width: 600px) {
  #touch-controls { display: flex; }
  #game-shell { width: min(768px, 100%, max(200px, calc((100vh - var(--gp-header-h, 80px) - 150px) * 512 / 448))); width: min(768px, 100%, max(200px, calc((100dvh - var(--gp-header-h, 80px) - 150px) * 512 / 448))); }
}

@media (max-height: 760px) {
  .overlay-content { padding: 14px 12px; }
  .overlay h1 { margin-bottom: 6px; }
  #overlay-message { margin-bottom: 10px; }
  .how-to-play { padding: 10px 14px; line-height: 1.6; margin-bottom: 12px; }
}

@media (max-width: 500px) {
  body { padding: 12px 8px 28px; }
  #touch-controls { gap: 12px; }
  .dpad button { width: 48px; height: 42px; }
  #fire-button { width: 78px; }
}

@media (max-width: 500px), (max-height: 500px) {
  .overlay { position: fixed; top: var(--gp-header-h, 48px); right: 0; bottom: 0; left: 0; z-index: 900; }
}

@media (orientation: landscape) and (max-height: 500px) {
  body { padding-bottom: 8px; }
  #game-shell { width: max(200px, calc((100vh - var(--gp-header-h, 48px) - 12px) * 512 / 448)); width: max(200px, calc((100dvh - var(--gp-header-h, 48px) - 12px) * 512 / 448)); }
  #touch-controls {
    position: fixed;
    left: 0;
    right: 0;
    top: calc(50% + var(--gp-header-h, 48px) / 2);
    transform: translateY(-50%);
    justify-content: space-between;
    padding: 0 16px;
    gap: 10px;
    pointer-events: none;
    z-index: 50;
  }
  #touch-controls button { pointer-events: auto; }
  .overlay-content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 24px; align-items: center; align-content: center; justify-items: center; width: min(780px, calc(100% - 24px)); max-width: none; }
  .overlay-content > * { grid-column: 2; }
  .overlay-content > .how-to-play { grid-column: 1; grid-row: 1 / span 6; margin: 0; max-width: 340px; width: 100%; }
  .overlay h1 { font-size: 30px; }
}

@media (pointer: coarse) and (min-width: 700px) and (min-height: 700px) {
  #game-shell { width: min(900px, 100%, max(200px, calc((100vh - var(--gp-header-h, 80px) - 150px) * 512 / 448))); width: min(900px, 100%, max(200px, calc((100dvh - var(--gp-header-h, 80px) - 150px) * 512 / 448))); }
}

.gp-btn-music.off { opacity: .4; }

[data-theme="light"] html,
[data-theme="light"] body { background: var(--gp-page-grad) fixed; color: var(--gp-ink); }
[data-theme="light"] #game-area { border-color: var(--gp-line); box-shadow: var(--gp-shadow); }
[data-theme="light"] .overlay { background: var(--gp-overlay); }
[data-theme="light"] #overlay-message { color: var(--gp-ink-2); }
[data-theme="light"] .how-to-play { background: rgba(31, 27, 69, 0.05); border-color: var(--gp-line); color: var(--gp-ink-2); }
[data-theme="light"] .how-title { color: var(--gp-ink-3); }
[data-theme="light"] .dpad button, [data-theme="light"] #fire-button { background: var(--gp-surface); color: var(--gp-ink-2); border-color: var(--gp-line); box-shadow: 0 3px 10px rgba(31, 27, 69, 0.08); }
[data-theme="light"] #fire-button { color: #c2410c; border-color: rgba(194, 65, 12, 0.35); }
[data-theme="light"] #highscores { background: var(--gp-surface); color: var(--gp-ink); box-shadow: inset 0 0 0 1px var(--gp-line), var(--gp-shadow); color: var(--gp-ink-2); }
[data-theme="light"] #highscores::before { color: #b7791f; }
[data-theme="light"] #highscores li:first-child { color: var(--gp-ink); }
[data-theme="light"] .overlay h1 { background: linear-gradient(135deg, #f59e0b, #c2410c); -webkit-background-clip: text; background-clip: text; filter: none; }