:root { --ink: #f8fbff; --muted: #b7c8e6; --panel: rgba(14,24,55,.78); --cyan: #63e6ff; --pink: #ff5bd6; --yellow: #ffe66d; --green: #71f79f; }
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; min-height: 100dvh; font-family: 'Nunito', sans-serif; color: var(--ink); background: radial-gradient(circle at 22% 14%, rgba(99,230,255,.28), transparent 28%), radial-gradient(circle at 86% 18%, rgba(255,91,214,.2), transparent 25%), linear-gradient(145deg, #071021, #172a62 58%, #090d1d); }
button, a { font: inherit; }
.app-shell { min-height: 100vh; min-height: 100dvh; padding: clamp(1rem, 3vw, 2rem); overflow: hidden; }
.toolbar, .status-card, .launch-pad, .bottom-actions { border: 1px solid rgba(255,255,255,.15); background: var(--panel); box-shadow: 0 22px 60px rgba(0,0,0,.28), inset 0 1px rgba(255,255,255,.08); backdrop-filter: blur(14px); }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-radius: 1.6rem; padding: 1rem 1.2rem; }
.eyebrow { margin: 0; color: var(--cyan); font-weight: 900; letter-spacing: .18em; text-transform: uppercase; font-size: .75rem; }
h1 { margin: 0; font-family: 'Bungee', sans-serif; font-size: clamp(1.75rem, 5vw, 3.5rem); line-height: 1; letter-spacing: .03em; }
.toolbar-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.bottom-actions { justify-content: center; max-width: 980px; margin: 1rem auto 0; border-radius: 1.4rem; padding: 1rem; }
button, #goBack { border: 1px solid rgba(255,255,255,.16); border-radius: 999px; padding: .72rem 1rem; background: linear-gradient(135deg, rgba(99,230,255,.22), rgba(255,91,214,.2)); color: var(--ink); font-weight: 900; text-decoration: none; cursor: pointer; box-shadow: 0 10px 22px rgba(0,0,0,.2); }
button:hover, button:focus-visible, #goBack:hover, #goBack:focus-visible { outline: none; border-color: var(--cyan); transform: translateY(-2px); }
.status-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; max-width: 980px; margin: 1rem auto; border-radius: 1.4rem; padding: .8rem 1rem; font-weight: 900; }
.status-card img { width: 56px; height: 56px; }
.status-card p { margin: 0; color: var(--muted); }
.status-card span { border-radius: 999px; padding: .55rem .85rem; background: rgba(99,230,255,.16); color: var(--cyan); white-space: nowrap; }
.launch-pad { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(280px, 1.2fr); gap: 1rem; max-width: 980px; margin: 0 auto; border-radius: 2rem; padding: clamp(1rem, 3vw, 1.5rem); }
.rocket-stage { position: relative; display: grid; place-items: center; min-height: 360px; border-radius: 1.5rem; background: radial-gradient(circle at 50% 30%, rgba(255,230,109,.16), transparent 32%), linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); overflow: hidden; }
.rocket { width: min(180px, 50vw); filter: drop-shadow(0 22px 28px rgba(0,0,0,.35)); transition: transform .18s ease; }
.rocket.lift { transform: translateY(-28px) rotate(-6deg); }
.star { position: absolute; width: 54px; right: 12%; top: 14%; animation: twinkle 1.4s ease-in-out infinite alternate; }
.pad-grid { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: .9rem; }
.beat-pad { display: grid; place-items: center; gap: .3rem; min-height: 160px; border-radius: 1.6rem; font-size: 1.2rem; }
.beat-pad img { width: 62px; height: 62px; }
.beat-pad span { font-weight: 900; }
.beat-pad[data-pad="0"] { background: rgba(99,230,255,.22); }
.beat-pad[data-pad="1"] { background: rgba(255,91,214,.22); }
.beat-pad[data-pad="2"] { background: rgba(255,230,109,.22); }
.beat-pad[data-pad="3"] { background: rgba(113,247,159,.22); }
.beat-pad.active { outline: 5px solid #fff; transform: scale(1.04); }
.beat-pad:disabled { cursor: not-allowed; opacity: .58; }
#confettiLayer { pointer-events: none; position: fixed; inset: 0; overflow: hidden; }
.confetti-piece { position: absolute; top: -22px; width: 13px; height: 20px; border-radius: 4px; animation: fall var(--duration) linear forwards; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
@keyframes twinkle { to { transform: scale(1.12) rotate(12deg); } }
@keyframes fall { to { transform: translate(var(--x), 105vh) rotate(var(--spin)); opacity: .2; } }
@media (max-width: 760px) { .status-card, .launch-pad, .bottom-actions { display: flex; flex-direction: column; align-items: stretch; } .rocket-stage { min-height: 240px; } .beat-pad { min-height: 120px; } }
@media (max-width: 560px) { .app-shell { padding: .5rem; } .toolbar { padding: .55rem .7rem; border-radius: 1.1rem; } .eyebrow { display: none; } h1 { font-size: clamp(1.45rem, 7vw, 2rem); } .status-card { gap: .45rem; margin: .5rem auto; padding: .55rem .7rem; border-radius: 1rem; } .status-card img { width: 38px; height: 38px; } .launch-pad { gap: .55rem; padding: .65rem; border-radius: 1.1rem; } .rocket-stage { min-height: 120px; } .rocket { width: min(110px, 34vw); } .beat-pad { min-height: 82px; border-radius: 1rem; } .beat-pad img { width: 42px; height: 42px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
#goBack{display:inline-flex;align-items:center;justify-content:center;text-align:center}