@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap";:root{--color-bg-primary: #121214;--color-bg-secondary: #1c1c1e;--color-text-primary: #ffffff;--color-text-secondary: #5050cf;--color-accent: #646cff;--color-accent-glow: rgba(100, 108, 255, .5);--color-success: #4ade80;--color-error: #f87171;--font-family: "Inter", system-ui, -apple-system, sans-serif}.theme-drums{--color-text-secondary: #ff8a98;--color-accent: #f5576c;--color-accent-glow: rgba(245, 87, 108, .5)}.theme-saxo{--color-text-secondary: #e8c87a;--color-accent: #d4a017;--color-accent-glow: rgba(212, 160, 23, .5)}.theme-games{--color-text-secondary: #8be9f8;--color-accent: #22d3ee;--color-accent-glow: rgba(34, 211, 238, .5)}.theme-theory{--color-text-secondary: #9a9aa8;--color-accent: #2fae76;--color-accent-glow: rgba(47, 174, 118, .5)}.theory-score-svg svg{height:100%;width:auto;display:block}.games-notation svg{max-width:100%;height:auto;display:block;margin:0 auto}.cursor-glow{box-shadow:0 0 10px var(--color-accent),0 0 20px var(--color-accent-glow)}html{overflow:hidden;overscroll-behavior:none}body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}input,textarea,select,[contenteditable=true],pre{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}body{overscroll-behavior:none;margin:0;padding:0;background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{width:100vw;height:100vh;display:flex;flex-direction:column}.app-container{flex:1;min-height:0;display:flex;flex-direction:column}::-webkit-scrollbar{width:24px;height:24px}::-webkit-scrollbar-track{background:var(--color-bg-secondary);border-top:2px solid rgba(255,255,255,.1)}::-webkit-scrollbar-thumb{background:var(--color-accent);border-radius:12px;border:4px solid var(--color-bg-secondary)}.hover-scale:hover{transform:scale(1.1)}@keyframes marquee{0%{transform:translateZ(0)}to{transform:translate3d(var(--marquee-offset),0,0)}}:root{color-scheme:dark}select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239a9aa8'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center}select option{background:#22222a;color:#fff}.cof-keysig,.cof-keysig svg{color:#e8e8e8;fill:#e8e8e8}.splash-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background:var(--color-bg-primary);background-image:radial-gradient(circle at 50% 50%,rgba(100,108,255,.1) 0%,transparent 50%);color:var(--color-text-primary);font-family:var(--font-family);overflow:hidden}.splash-title-wrapper{text-align:center;margin-bottom:4rem;animation:fadeInDown .8s ease-out}.splash-title{font-size:4rem;font-weight:800;margin:0;background:linear-gradient(135deg,#a8ff78,#78ffd6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-2px}.splash-subtitle{font-size:1.2rem;color:#a0a0ab;margin-top:.5rem;font-weight:400}.splash-cards-container{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;perspective:1000px}.app-card{position:relative;width:220px;height:330px;border-radius:20px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeInUp .8s ease-out 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.app-badge{background:#d4a01733;color:#e8c87a}.card-theory{box-shadow:0 10px 30px #2fae761a}.card-theory:hover{box-shadow:0 20px 40px #2fae764d;border-color:#2fae7666}.card-games{box-shadow:0 10px 30px #22d3ee1a}.card-games:hover{box-shadow:0 20px 40px #22d3ee4d;border-color:#22d3ee66}.card-games .app-badge{background:#22d3ee33;color:#8be9f8}.card-theory .app-badge{background:#2fae7633;color:#7ee2b3}.app-icon{font-size:5rem;margin-bottom:2rem;transition:transform .3s ease;z-index:1}.app-card:hover .app-icon{transform:scale(1.1) rotate(5deg)}.app-name{font-size:1.8rem;font-weight:600;color:#fff;z-index:1}.app-badge{position:absolute;top:1rem;right:1rem;background:#f5576c33;color:#ff8a98;padding:.2rem .8rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px}.card-piano .app-badge{background:#646cff33;color:var(--color-text-secondary)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.phone .splash-container{height:100dvh;padding:0 env(safe-area-inset-right) 0 env(safe-area-inset-left)}.phone .splash-title-wrapper{margin-bottom:1.2rem}.phone .splash-title{font-size:2.2rem;letter-spacing:-1px}.phone .splash-subtitle{font-size:.9rem;margin-top:.2rem}.phone .splash-cards-container{gap:.8rem;flex-wrap:nowrap}.phone .app-card{width:132px;height:172px;border-radius:14px}.phone .app-card:hover{transform:none}.phone .app-icon{font-size:2.6rem;margin-bottom:.7rem}.phone .app-name{font-size:1.05rem}.phone .app-badge{top:.5rem;right:.5rem;font-size:.5rem;padding:.1rem .45rem;letter-spacing:.5px}@media(max-width:1320px){.splash-container{height:auto;min-height:100dvh;overflow-y:auto;padding:2rem 0;box-sizing:border-box}.splash-cards-container{gap:1.2rem}.app-card{width:clamp(150px,16vw,220px);height:auto;aspect-ratio:2 / 3}}.splash-about{position:fixed;right:calc(1rem + env(safe-area-inset-right));bottom:calc(.8rem + env(safe-area-inset-bottom));background:none;border:none;color:var(--color-text-secondary);font:inherit;font-size:.8rem;opacity:.75;cursor:pointer}.splash-about:hover{opacity:1;color:var(--color-text-primary)}.countdown-overlay{position:fixed;inset:0;z-index:180;display:flex;align-items:center;justify-content:center;pointer-events:none}.countdown-label{font-size:clamp(5rem,22vh,12rem);font-weight:800;line-height:1;color:var(--color-accent, #646cff);text-shadow:0 0 40px rgba(0,0,0,.55),0 4px 18px rgba(0,0,0,.45);font-variant-numeric:tabular-nums;animation:countdown-pop .45s cubic-bezier(.2,.9,.3,1.2) both}.countdown-start{font-size:clamp(3rem,13vh,7rem);letter-spacing:.04em}@keyframes countdown-pop{0%{transform:scale(1.5);opacity:0}35%{opacity:1}to{transform:scale(1);opacity:.92}}.midi-start-hint{padding:.45rem 1.1rem;border-radius:999px;background:#14141ab8;border:1px solid rgba(255,255,255,.14);color:var(--color-text-primary, #f0f0f5);font-size:.95rem;letter-spacing:.02em;box-shadow:0 4px 16px #00000059;animation:midi-start-breathe 2.4s ease-in-out infinite}@keyframes midi-start-breathe{0%,to{opacity:.55}50%{opacity:1}}.mobile-shell{--band: 30px;position:fixed;inset:0;height:100dvh;width:100dvw;overflow:hidden;background:var(--color-bg-primary);display:flex;flex-direction:column;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.mobile-band{flex:0 0 var(--band);position:relative;display:flex;align-items:center;justify-content:center;padding:0 .5rem;z-index:5}.mobile-band-bottom{padding-bottom:env(safe-area-inset-bottom);flex-basis:calc(var(--band) + env(safe-area-inset-bottom))}.mobile-notch{display:flex;align-items:center;gap:.4rem;max-width:46vw;height:24px;padding:0 .9rem;border:1px solid rgba(255,255,255,.14);background:#ffffff0f;color:var(--color-text-secondary, #b8b8c4);font-size:.75rem;cursor:pointer}.mobile-band-top .mobile-notch{border-top:none;border-radius:0 0 12px 12px;align-self:flex-start}.mobile-band-bottom .mobile-notch{border-bottom:none;border-radius:12px 12px 0 0;align-self:flex-end}.mobile-notch-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-chevron{color:var(--color-accent);font-size:.7rem}.mobile-views{position:absolute;left:.5rem;top:3px;display:flex;gap:2px;background:#ffffff0f;border-radius:12px;padding:2px}.mobile-views button{border:none;border-radius:10px;padding:.15rem .6rem;font-size:.72rem;color:var(--color-text-secondary, #b8b8c4);background:transparent;cursor:pointer}.mobile-views button.on{background:var(--color-accent);color:#fff}.mobile-midi{position:absolute;right:.6rem;top:6px;display:flex;align-items:center;gap:.35rem;font-size:.68rem;color:var(--color-error, #f87171)}.mobile-midi.on{color:var(--color-success, #4ade80)}.mobile-midi .dot{width:7px;height:7px;border-radius:50%;background:currentColor}.mobile-play{position:absolute;right:.6rem;bottom:calc(3px + env(safe-area-inset-bottom));width:40px;height:24px;border:none;border-radius:12px;background:var(--color-accent);color:#fff;font-size:.8rem;cursor:pointer}.mobile-stage{flex:1;min-height:0;position:relative;overflow:hidden}.mobile-layer{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center}.mobile-dock{flex:0 0 auto;position:relative;z-index:4}.mobile-dock>*{flex-wrap:wrap}.mobile-scrim{position:absolute;inset:0;z-index:40;background:#00000059}.mobile-drawer{position:absolute;left:0;right:0;z-index:50;background:var(--color-bg-primary);transition:transform .22s ease;max-height:85dvh;overflow-y:auto;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.mobile-drawer-top{top:0;transform:translateY(-105%);border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 6px 18px #00000080}.mobile-drawer-bottom{bottom:0;transform:translateY(105%);border-top:1px solid rgba(255,255,255,.12);box-shadow:0 -6px 18px #00000080;padding-bottom:env(safe-area-inset-bottom)}.mobile-open-top .mobile-drawer-top,.mobile-open-bottom .mobile-drawer-bottom{transform:translateY(0)}.mobile-drawer-handle{display:block;margin:0 auto;width:64px;height:18px;border:none;background:transparent;color:var(--color-accent);font-size:.75rem;cursor:pointer}.mobile-drawer-top header{padding:.5rem .75rem!important;flex-wrap:wrap;border-bottom:none!important}.mobile-drawer-top header h1{font-size:1rem!important}.mobile-drawer-bottom>*:not(.mobile-drawer-handle){flex-wrap:wrap}.rotate-notice{position:fixed;inset:0;z-index:10000;background:var(--color-bg-primary, #111118);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;text-align:center;padding:2rem}.rotate-notice .phone{width:46px;height:80px;border:3px solid var(--color-accent, #646cff);border-radius:9px;animation:rotate-phone 2.4s ease-in-out infinite}.rotate-notice p{margin:0;color:var(--color-text-secondary, #b8b8c4);font-size:.95rem;max-width:18rem}@keyframes rotate-phone{0%,30%{transform:rotate(0)}55%,85%{transform:rotate(-90deg)}to{transform:rotate(0)}}