.na-game-shell{--na-ink:#24133c;--na-purple:#4b2587;--na-pink:#ff4f96;--na-cream:#fffaf2;--na-cyan:#10c8c3;--na-line:#d9ccec;width:min(100%,980px);height:min(680px,calc(100svh - 150px));min-height:520px;display:grid;grid-template-columns:minmax(280px,1fr) minmax(320px,1fr);margin:clamp(.5rem,2vh,1.5rem) auto;overflow:hidden;border:3px solid var(--na-ink);border-radius:28px;background:var(--na-cream);color:var(--na-ink);box-shadow:10px 12px 0 var(--na-ink)}.na-game-shell[hidden],.na-game-shell__mount[hidden]{display:none}.na-game-shell__visual{position:relative;min-width:0;padding:18px;display:grid;place-items:center;background:linear-gradient(145deg,#e5d6ff,#fff2e0)}.na-game-shell__art{width:100%;display:grid;place-items:center}.na-game-shell__art img{width:100%;max-width:460px;aspect-ratio:1/1;object-fit:contain;border-radius:20px}.na-game-shell__badge{position:absolute;left:24px;top:24px;padding:7px 10px;border:2px solid var(--na-ink);border-radius:999px;background:#fff;font-size:11px;font-weight:950;letter-spacing:.1em}.na-game-shell__body{min-width:0;padding:clamp(22px,4vw,48px);display:flex;flex-direction:column;justify-content:center}.na-game-shell__eyebrow{margin:0 0 5px;color:var(--na-purple);font-size:12px;font-weight:950;letter-spacing:.14em;text-transform:uppercase}.na-game-shell h1{margin:0;font-size:clamp(38px,6vw,66px);line-height:.92;letter-spacing:-.055em;text-transform:uppercase}.na-game-shell__description{margin:16px 0 22px;max-width:34ch;font-size:clamp(16px,2vw,19px);line-height:1.45}.na-game-shell__primary{min-height:58px;width:100%;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border:3px solid var(--na-ink);border-radius:14px;background:var(--na-cyan);color:var(--na-ink);font-size:17px;font-weight:950;cursor:pointer;box-shadow:4px 5px 0 var(--na-ink)}.na-game-shell__primary:active{transform:translate(3px,3px);box-shadow:1px 2px 0 var(--na-ink)}.na-game-shell__primary:hover,.na-game-shell__primary:focus-visible{outline:4px solid #ff4f9655;outline-offset:3px}.na-game-shell__utilities{display:flex;gap:18px;align-items:center;margin-top:16px}.na-game-shell__how{min-height:44px;padding:0;border:0;background:transparent;color:var(--na-purple);font-weight:850;text-decoration:underline;cursor:pointer}.na-game-shell__arcade{min-height:44px;display:inline-flex;align-items:center;color:var(--na-purple);font-weight:850}.na-game-shell__error{margin:0 0 12px;padding:.75rem;border-left:5px solid #c93558;background:#fff0f3;font-weight:700}.na-game-shell__dialog{width:min(520px,calc(100% - 24px));max-height:min(680px,calc(100svh - 30px));padding:0;border:0;border-radius:22px;color:var(--na-ink);box-shadow:0 25px 90px #170b2c80}.na-game-shell__dialog::backdrop{background:#170b2ccc}.na-game-shell__dialog-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:#fff;border-bottom:1px solid var(--na-line)}.na-game-shell__dialog h2{margin:0;font-size:24px}.na-game-shell__close{width:44px;height:44px;border:2px solid var(--na-ink);border-radius:50%;background:#fff;font-size:22px;cursor:pointer}.na-game-shell__levels{display:grid;gap:10px;padding:16px 20px 22px;background:var(--na-cream);overflow:auto}.na-game-shell__level{min-height:64px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:10px 13px;border:2px solid var(--na-purple);border-radius:13px;background:#fff;text-align:left;color:var(--na-ink);cursor:pointer}.na-game-shell__level:hover,.na-game-shell__level:focus-visible{border-color:var(--na-pink);outline:3px solid #ff4f9644}.na-game-shell__level span{min-width:0}.na-game-shell__level small{display:block;color:var(--na-purple);font-weight:900;text-transform:uppercase}.na-game-shell__level strong{display:block;margin-top:2px;font-size:16px}.na-game-shell__level em{display:block;font-style:normal}.na-game-shell__level>b{color:var(--na-pink)}.na-game-shell__instructions{padding:4px 20px 22px;background:var(--na-cream);line-height:1.55}.na-game-shell__instructions li+li{margin-top:10px}@media(max-width:700px){.na-game-shell{height:calc(100svh - 96px);min-height:560px;grid-template-columns:1fr;grid-template-rows:minmax(210px,45%) 1fr;margin:0 auto;border-radius:20px;box-shadow:5px 6px 0 var(--na-ink)}.na-game-shell__visual{padding:10px}.na-game-shell__art,.na-game-shell__art img{height:100%;width:100%}.na-game-shell__badge{left:14px;top:14px}.na-game-shell__body{padding:16px 18px 14px;justify-content:flex-start}.na-game-shell h1{font-size:clamp(34px,12vw,52px)}.na-game-shell__description{margin:8px 0 12px;font-size:15px;line-height:1.32}.na-game-shell__primary{min-height:54px}.na-game-shell__utilities{margin-top:8px}.na-game-shell__dialog{margin:auto 12px 12px;width:calc(100% - 24px);max-height:72svh;border-radius:20px}}@media(max-width:360px){.na-game-shell{width:100%;grid-template-rows:minmax(185px,41%) 1fr}.na-game-shell__body{padding:12px 14px 10px}.na-game-shell h1{font-size:34px}.na-game-shell__description{font-size:14px}.na-game-shell__utilities{gap:14px}.na-game-shell__level{min-width:0}}
.na-game-shell__mount {
  scroll-margin-top: 8px;
}

.na-game-shell__startup-error {
  width: min(100%, 720px);
  box-sizing: border-box;
  margin: 1rem auto;
  padding: .85rem 1rem;
  border-left: 5px solid #c93558;
  background: #fff0f3;
  color: #24133c;
  font-weight: 700;
}

.mm-dialog-backdrop.na-exit-dialog-backdrop,
.na-exit-dialog-backdrop {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 18, 42, .72);
}

.mm-dialog.na-exit-dialog,
.na-exit-dialog {
  width: min(360px, calc(100% - 32px));
  box-sizing: border-box;
  padding: 20px;
  border: 2px solid #d9d3e7;
  border-radius: 18px;
  background: #fffaf2;
  color: #111a3f;
  box-shadow: 0 10px 28px rgba(17, 26, 63, .18);
  text-align: center;
}

.mm-dialog.na-exit-dialog h2,
.na-exit-dialog h2 { margin: 0 0 10px; color: inherit; font: 800 clamp(21px, 3.4vw, 25px)/1.12 Arial, sans-serif; }
.na-exit-dialog p { margin: 0; line-height: 1.5; }
.na-exit-dialog-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.na-exit-dialog-actions button { min-height: 48px; border: 2px solid #20264d; border-radius: 10px; font-weight: 800; cursor: pointer; }
.mm-dialog-actions .na-exit-dialog-stay,
.na-exit-dialog-stay { background: #d9f2ef; color: #111a3f; }
.mm-dialog-actions .na-exit-dialog-leave,
.na-exit-dialog-leave { background: #ece8f4; color: #111a3f; }

@media (max-width: 420px) {
  .na-exit-dialog { width: min(330px, calc(100% - 24px)); padding: 18px 14px; }
}


/* Server-rendered launch cloak prevents legacy setup/gameplay from flashing before the selected level is ready. */
.na-game-shell__mount--starting { visibility: hidden; }

/* Optional launch choices use the same shared menu for every registered game. */
.na-game-shell__launch-option { display:grid; grid-template-columns:minmax(80px,1fr) minmax(0,2fr); align-items:center; gap:12px; margin:0 0 10px; font-weight:800; }
.na-game-shell__launch-option select { width:100%; min-width:0; min-height:44px; padding:8px 12px; border:2px solid var(--na-purple); border-radius:13px; background:#fff; color:var(--na-ink); font:inherit; }
.na-game-shell__launch-option select:focus-visible { outline:3px solid #ff4f9644; outline-offset:2px; }