.mps-concept-stage{--concept-a:color-mix(in oklab, var(--accent) 88%, white 12%);--concept-b:color-mix(in oklab, var(--primary-glow) 82%, white 18%);--concept-c:color-mix(in oklab, var(--gold) 88%, white 12%);perspective:900px;isolation:isolate;border:1px solid color-mix(in oklab, var(--accent) 22%, transparent);background:radial-gradient(circle at 50% 42%, color-mix(in oklab, var(--concept-a) 16%, transparent), transparent 36%), radial-gradient(circle at 18% 20%, color-mix(in oklab, var(--concept-b) 12%, transparent), transparent 30%), linear-gradient(145deg, color-mix(in oklab, var(--surface) 84%, transparent), color-mix(in oklab, var(--background) 92%, transparent));width:100%;min-height:12.5rem;box-shadow:inset 0 1px 0 oklab(100% 0 5.96046e-8/.08), 0 24px 60px -38px color-mix(in oklab, var(--concept-a) 70%, transparent);border-radius:1.75rem;place-items:center;display:grid;position:relative;overflow:hidden}.mps-concept-stage:before{content:"";pointer-events:none;background:linear-gradient(115deg,#0000 34%,oklab(100% 0 5.96046e-8/.11) 46%,#0000 58%);animation:6.5s ease-in-out infinite mps-concept-shimmer;position:absolute;inset:-40% -20%;transform:translate(-55%)rotate(8deg)}.mps-concept-stage:after{content:"";background:color-mix(in oklab, var(--concept-a) 22%, transparent);filter:blur(18px);opacity:.75;pointer-events:none;border-radius:50%;height:18%;position:absolute;bottom:12%;left:12%;right:12%;transform:rotateX(74deg)}.mps-concept-glow{background:radial-gradient(circle, color-mix(in oklab, var(--concept-a) 34%, transparent), transparent 68%);filter:blur(10px);border-radius:999px;width:7rem;height:7rem;animation:3.8s ease-in-out infinite mps-concept-breathe;position:absolute}.mps-concept-orb{z-index:3;width:9.5rem;height:9.5rem;transform-style:preserve-3d;animation:5s ease-in-out infinite mps-concept-float;position:relative}.mps-concept-core{border:1px solid color-mix(in oklab, var(--concept-a) 48%, transparent);background:linear-gradient(145deg, oklab(100% 0 5.96046e-8/.13), transparent 48%), linear-gradient(155deg, color-mix(in oklab, var(--concept-b) 26%, var(--surface)), color-mix(in oklab, var(--background) 92%, black 8%));box-shadow:inset 8px 8px 18px oklab(100% 0 5.96046e-8/.07), inset -10px -12px 20px oklab(0% none none/.35), 0 18px 30px -16px color-mix(in oklab, var(--concept-a) 82%, transparent);border-radius:1.45rem;place-items:center;display:grid;position:absolute;inset:2.15rem;transform:translateZ(38px)rotateX(5deg)rotateY(-8deg)}.mps-concept-core span{font-family:var(--font-display);letter-spacing:-.055em;color:var(--foreground);text-shadow:0 0 20px color-mix(in oklab, var(--concept-a) 62%, transparent);white-space:nowrap;font-size:clamp(1rem,4vw,1.45rem);font-weight:900}.mps-concept-ring{z-index:1;border:1px solid color-mix(in oklab, var(--concept-a) 28%, transparent);width:8.6rem;height:8.6rem;transform-style:preserve-3d;pointer-events:none;border-radius:50%;position:absolute}.mps-concept-ring-a{animation:9s linear infinite mps-concept-orbit-a;transform:rotateX(68deg)rotate(12deg)}.mps-concept-ring-b{border-color:color-mix(in oklab, var(--concept-c) 24%, transparent);width:6.7rem;height:6.7rem;animation:7s linear infinite reverse mps-concept-orbit-b;transform:rotateY(68deg)rotate(-18deg)}.mps-concept-chip{border:1px solid color-mix(in oklab, var(--concept-a) 34%, transparent);background:linear-gradient(145deg, color-mix(in oklab, var(--surface) 92%, white 8%), color-mix(in oklab, var(--background) 94%, black 6%));min-width:2.25rem;height:2.25rem;color:color-mix(in oklab, var(--foreground) 90%, var(--concept-a) 10%);font-family:var(--font-display);white-space:nowrap;box-shadow:0 12px 24px -15px color-mix(in oklab, var(--concept-a) 75%, transparent), inset 0 1px 0 oklab(100% 0 5.96046e-8/.11);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:.72rem;place-items:center;padding-inline:.48rem;font-size:.72rem;font-weight:800;display:grid;position:absolute}.mps-concept-chip-1{animation:4.2s ease-in-out infinite mps-concept-chip-a;top:.15rem;left:3.6rem;transform:translateZ(22px)rotate(-4deg)}.mps-concept-chip-2{animation:4.9s ease-in-out infinite mps-concept-chip-b;top:3.5rem;right:-.3rem;transform:translateZ(14px)rotate(5deg)}.mps-concept-chip-3{animation:5.4s ease-in-out infinite reverse mps-concept-chip-a;bottom:.15rem;left:3.15rem;transform:translateZ(24px)rotate(3deg)}.mps-concept-chip-4{animation:4.5s ease-in-out infinite reverse mps-concept-chip-b;top:4.2rem;left:-.75rem;transform:translateZ(12px)rotate(-6deg)}.mps-concept-caption{z-index:5;border:1px solid color-mix(in oklab, var(--concept-a) 24%, transparent);background:color-mix(in oklab, var(--background) 68%, transparent);color:var(--muted-foreground);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;align-items:center;gap:.45rem;padding:.34rem .72rem;font-size:.68rem;font-weight:700;display:inline-flex;position:absolute;bottom:.8rem}.mps-concept-caption-dot{background:var(--concept-a);width:.42rem;height:.42rem;box-shadow:0 0 12px color-mix(in oklab, var(--concept-a) 90%, transparent);border-radius:50%;animation:2.2s ease-in-out infinite mps-concept-breathe}.mps-concept-compact{border-radius:1rem;flex:0 0 3.25rem;width:3.25rem;height:3.25rem;min-height:0;overflow:visible}.mps-concept-compact:after,.mps-concept-compact:before,.mps-concept-compact .mps-concept-ring,.mps-concept-compact .mps-concept-chip-2,.mps-concept-compact .mps-concept-chip-3,.mps-concept-compact .mps-concept-chip-4{display:none}.mps-concept-compact .mps-concept-glow{width:3rem;height:3rem}.mps-concept-compact .mps-concept-orb{width:3.25rem;height:3.25rem;animation-duration:4s}.mps-concept-compact .mps-concept-core{border-radius:.78rem;inset:.42rem;transform:translateZ(18px)rotateX(5deg)rotateY(-8deg)}.mps-concept-compact .mps-concept-core span{letter-spacing:-.04em;text-overflow:ellipsis;max-width:2.2rem;font-size:.64rem;overflow:hidden}.mps-concept-compact .mps-concept-chip-1{border-radius:.45rem;min-width:1.25rem;height:1.25rem;padding-inline:.25rem;font-size:.48rem;top:-.2rem;left:auto;right:-.35rem}.mps-concept-tension{--concept-a:color-mix(in oklab, var(--accent) 82%, white 18%);--concept-b:color-mix(in oklab, var(--primary-glow) 84%, white 16%)}.mps-concept-chords,.mps-concept-harmony{--concept-a:color-mix(in oklab, var(--gold) 78%, white 22%);--concept-b:color-mix(in oklab, var(--primary-glow) 72%, white 28%)}.mps-concept-rhythm{--concept-a:color-mix(in oklab, var(--accent) 76%, white 24%);--concept-b:color-mix(in oklab, var(--gold) 72%, white 28%)}.mps-concept-voicing{--concept-a:color-mix(in oklab, var(--primary-glow) 82%, white 18%);--concept-b:color-mix(in oklab, var(--accent) 76%, white 24%)}.mps-concept-worship{--concept-a:color-mix(in oklab, var(--primary-glow) 78%, white 22%);--concept-b:color-mix(in oklab, var(--accent) 72%, white 28%)}@keyframes mps-concept-float{0%,to{transform:translateY(0)rotateY(-4deg)rotateX(1deg)}50%{transform:translateY(-8px)rotateY(5deg)rotateX(-2deg)}}@keyframes mps-concept-chip-a{0%,to{translate:0}50%{translate:0 -5px}}@keyframes mps-concept-chip-b{0%,to{translate:0}50%{translate:4px 3px}}@keyframes mps-concept-orbit-a{0%{rotate:0deg}to{rotate:360deg}}@keyframes mps-concept-orbit-b{0%{rotate:0deg}to{rotate:360deg}}@keyframes mps-concept-breathe{0%,to{opacity:.55;transform:scale(.92)}50%{opacity:1;transform:scale(1.08)}}@keyframes mps-concept-shimmer{0%,22%{opacity:0;transform:translate(-62%)rotate(8deg)}45%{opacity:1}70%,to{opacity:0;transform:translate(65%)rotate(8deg)}}@media (width<=639px){.mps-concept-stage:not(.mps-concept-compact){min-height:11.2rem}}@media (prefers-reduced-motion:reduce){.mps-concept-stage *,.mps-concept-stage:before,.mps-concept-stage:after{animation:none!important}}.mps-piano-panel{border:1px solid color-mix(in oklab, var(--accent) 22%, transparent);background:radial-gradient(circle at 20% 0%, color-mix(in oklab, var(--accent) 11%, transparent), transparent 32%), radial-gradient(circle at 82% 10%, color-mix(in oklab, var(--primary-glow) 12%, transparent), transparent 28%), linear-gradient(145deg, color-mix(in oklab, var(--surface) 92%, transparent), color-mix(in oklab, var(--background) 96%, transparent));box-shadow:inset 0 1px 0 oklab(100% 0 5.96046e-8/.08), 0 24px 70px -42px color-mix(in oklab, var(--accent) 80%, transparent);border-radius:1.75rem;padding:1rem;position:relative;overflow:hidden}.mps-piano-panel:before{content:"";pointer-events:none;background:conic-gradient(from 180deg at 50% 50%, transparent, color-mix(in oklab, var(--primary-glow) 8%, transparent), transparent 38%);animation:12s linear infinite mps-piano-ambient;position:absolute;inset:-30%}.mps-piano-heading,.mps-piano-controls,.mps-piano-variants,.mps-piano-status,.mps-piano-hand-legend,.mps-piano-shell,.mps-piano-note-guide,.mps-piano-footer,.mps-piano-disclaimer{z-index:1;position:relative}.mps-piano-heading{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.mps-piano-eyebrow{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;align-items:center;gap:.45rem;font-size:.7rem;font-weight:800;display:inline-flex}.mps-piano-heading h3{margin-top:.35rem;font-size:clamp(1.05rem,3vw,1.35rem);font-weight:800}.mps-piano-heading p{max-width:44rem;color:var(--muted-foreground);margin-top:.4rem;font-size:.82rem;line-height:1.6}.mps-piano-reset{border:1px solid var(--border);background:color-mix(in oklab, var(--background) 64%, transparent);width:2.45rem;height:2.45rem;color:var(--muted-foreground);border-radius:999px;flex:0 0 2.45rem;place-items:center;transition:all .18s;display:grid}.mps-piano-reset:hover{color:var(--accent);border-color:color-mix(in oklab, var(--accent) 42%, transparent);transform:rotate(-16deg)}.mps-piano-controls{flex-wrap:wrap;align-items:center;gap:.55rem;margin-top:1rem;display:flex}.mps-piano-pedal,.mps-piano-engine-badge,.mps-piano-volume{border:1px solid var(--border);background:color-mix(in oklab, var(--background) 34%, transparent);min-height:2.35rem;color:var(--muted-foreground);border-radius:999px;align-items:center;gap:.45rem;padding:.45rem .72rem;font-size:.68rem;font-weight:750;display:inline-flex}.mps-piano-pedal{transition:all .18s}.mps-piano-pedal.is-active{border-color:color-mix(in oklab, var(--gold) 42%, transparent);background:color-mix(in oklab, var(--gold) 8%, transparent);color:var(--gold);box-shadow:0 0 22px -14px color-mix(in oklab, var(--gold) 90%, transparent)}.mps-piano-engine-badge{border-color:color-mix(in oklab, var(--primary-glow) 30%, transparent);color:color-mix(in oklab, var(--primary-glow) 74%, white 26%)}.mps-piano-volume{flex:10rem;max-width:15rem}.mps-piano-volume input{min-width:5.5rem;accent-color:var(--accent);flex:1}.mps-piano-volume>span:last-child{text-align:right;font-variant-numeric:tabular-nums;width:2.3rem}.mps-piano-variants{scrollbar-width:thin;gap:.5rem;margin-top:1rem;padding-bottom:.2rem;display:flex;overflow-x:auto}.mps-piano-variants button{border:1px solid var(--border);background:color-mix(in oklab, var(--background) 35%, transparent);min-height:2.35rem;color:var(--muted-foreground);border-radius:999px;flex:none;padding:.5rem .8rem;font-size:.72rem;font-weight:700;transition:all .18s}.mps-piano-variants button:hover,.mps-piano-variants button.is-active{border-color:color-mix(in oklab, var(--accent) 50%, transparent);background:color-mix(in oklab, var(--accent) 10%, transparent);color:var(--foreground);box-shadow:0 0 22px -12px color-mix(in oklab, var(--accent) 90%, transparent)}.mps-piano-status{border:1px solid color-mix(in oklab, var(--gold) 18%, transparent);background:color-mix(in oklab, var(--gold) 5%, transparent);border-radius:1rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.65rem;margin-top:1rem;padding:.7rem .8rem;display:flex}.mps-piano-status-label{color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.13em;font-size:.62rem;display:block}.mps-piano-status strong{color:var(--foreground);margin-top:.15rem;font-size:.78rem;display:block}.mps-piano-key-badge{border:1px solid color-mix(in oklab, var(--accent) 25%, transparent);background:color-mix(in oklab, var(--accent) 7%, transparent);color:var(--accent);border-radius:999px;padding:.35rem .65rem;font-size:.66rem;font-weight:700}.mps-piano-hand-legend{flex-wrap:wrap;gap:.45rem;margin-top:.7rem;display:flex}.mps-piano-hand-legend span{border:1px solid var(--border);border-radius:999px;align-items:center;gap:.35rem;padding:.3rem .55rem;font-size:.61rem;font-weight:750;display:inline-flex}.mps-piano-hand-legend .is-left{border-color:color-mix(in oklab, var(--primary-glow) 28%, transparent);color:color-mix(in oklab, var(--primary-glow) 74%, white 26%)}.mps-piano-hand-legend .is-right{border-color:color-mix(in oklab, var(--accent) 30%, transparent);color:var(--accent)}.mps-piano-hand-legend .is-finger{color:var(--gold)}.mps-piano-shell{border:1px solid color-mix(in oklab, var(--foreground) 12%, transparent);background:linear-gradient(180deg, oklab(100% 0 5.96046e-8/.08), transparent 22%), linear-gradient(150deg, color-mix(in oklab, var(--surface) 92%, black 8%), color-mix(in oklab, var(--background) 94%, black 6%));perspective:900px;border-radius:1.35rem;margin-top:.85rem;padding:1.1rem .65rem .65rem;position:relative;box-shadow:inset 0 1px oklab(100% 0 5.96046e-8/.1),inset 0 -12px 24px oklab(0% none none/.22),0 22px 40px -28px #000}.mps-piano-top-light{background:linear-gradient(90deg, transparent, var(--accent), var(--primary-glow), transparent);filter:blur(.6px);opacity:.7;border-radius:999px;height:.22rem;animation:3.6s ease-in-out infinite mps-piano-light;position:absolute;top:.28rem;left:12%;right:12%}.mps-piano-keyboard{transform-origin:bottom;filter:drop-shadow(0 12px 18px oklab(0% none none/.52));height:9.7rem;position:relative;transform:rotateX(5deg)}.mps-piano-white-row{height:100%;display:flex}.mps-piano-white-key,.mps-piano-black-key{cursor:pointer;touch-action:manipulation;border:0;transition:transform 90ms,filter .16s,box-shadow .16s,background .16s;position:relative}.mps-piano-white-key{background:linear-gradient(90deg,oklab(99.7789% -.000103089 -.0010492),#fff 55%,oklab(98.657% -.00025382 -.00309581));border-right:1px solid oklab(0% none none/.28);border-radius:0 0 .42rem .42rem;width:6.66667%;height:100%;box-shadow:inset 0 -12px 18px oklab(72.6917% -.00338337 -.0341123/.15),inset 0 1px #fff}.mps-piano-white-key:first-child{border-radius:0 0 .42rem .75rem}.mps-piano-white-key:last-child{border-right:0;border-radius:0 0 .75rem .42rem}.mps-piano-note{font-family:var(--font-display);color:oklab(21.0084% -.00295345 -.031625/.62);-webkit-user-select:none;user-select:none;font-size:.52rem;font-weight:850;position:absolute;bottom:.38rem;left:50%;transform:translate(-50%)}.mps-piano-finger{z-index:9;background:color-mix(in oklab, var(--background) 84%, transparent);color:#fff;border-radius:999px;place-items:center;width:1.15rem;height:1.15rem;font-size:.58rem;font-weight:900;display:grid;position:absolute;top:.48rem;left:50%;transform:translate(-50%);box-shadow:0 4px 12px -6px #000}.mps-piano-degree{z-index:8;color:oklab(17.4728% -.00853412 -.0281473/.84);text-overflow:ellipsis;white-space:nowrap;max-width:94%;font-size:clamp(.36rem,1.25vw,.51rem);font-weight:900;line-height:1;position:absolute;bottom:1.4rem;left:50%;overflow:hidden;transform:translate(-50%)}.mps-piano-white-key:hover,.mps-piano-white-key:focus-visible{filter:brightness(1.04)}.mps-piano-white-key:active{transform:translateY(2px)rotateX(-2deg)}.mps-piano-white-key.is-active{z-index:2;animation:1.8s ease-in-out infinite mps-piano-active-white}.mps-piano-white-key.is-active.is-derecha-hand{background:linear-gradient(180deg, color-mix(in oklab, var(--accent) 82%, white 18%), color-mix(in oklab, var(--accent) 38%, white 62%));box-shadow:inset 0 -12px 20px color-mix(in oklab, var(--accent) 22%, transparent), 0 0 24px -5px color-mix(in oklab, var(--accent) 88%, transparent)}.mps-piano-white-key.is-active.is-izquierda-hand{background:linear-gradient(180deg, color-mix(in oklab, var(--primary-glow) 70%, white 30%), color-mix(in oklab, var(--primary) 34%, white 66%));box-shadow:inset 0 -12px 20px color-mix(in oklab, var(--primary) 24%, transparent), 0 0 24px -5px color-mix(in oklab, var(--primary-glow) 82%, transparent)}.mps-piano-white-key.is-active .mps-piano-note{color:color-mix(in oklab, var(--background) 92%, black 8%)}.mps-piano-black-key{z-index:5;background:linear-gradient(90deg,#03050a,#20283a 46%,#05070d 100%);border-radius:0 0 .3rem .3rem;width:2.9%;min-width:.72rem;height:61%;position:absolute;top:0;box-shadow:inset 0 -8px 10px #ffffff0a,0 8px 8px #0000008c}.mps-piano-black-key .mps-piano-note{color:oklab(100% 0 5.96046e-8/.62);font-size:.39rem;bottom:.27rem}.mps-piano-black-key .mps-piano-finger{background:color-mix(in oklab, var(--background) 76%, transparent);width:.92rem;height:.92rem;font-size:.49rem;top:.28rem}.mps-piano-black-key:hover,.mps-piano-black-key:focus-visible{filter:brightness(1.35)}.mps-piano-black-key:active{transform:translateY(2px)}.mps-piano-black-key.is-active{animation:1.8s ease-in-out infinite mps-piano-active-black}.mps-piano-black-key.is-active.is-derecha-hand{background:linear-gradient(180deg, color-mix(in oklab, var(--accent) 72%, #111827 28%), color-mix(in oklab, var(--accent) 36%, #07111d 64%));box-shadow:inset 0 0 10px oklab(100% 0 5.96046e-8/.12), 0 0 20px -2px color-mix(in oklab, var(--accent) 90%, transparent)}.mps-piano-black-key.is-active.is-izquierda-hand{background:linear-gradient(180deg, color-mix(in oklab, var(--primary-glow) 78%, #111827 22%), color-mix(in oklab, var(--primary) 44%, #07111d 56%));box-shadow:inset 0 0 10px oklab(100% 0 5.96046e-8/.12), 0 0 20px -2px color-mix(in oklab, var(--primary-glow) 90%, transparent)}.mps-piano-note-guide{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;margin-top:.75rem;display:grid}.mps-piano-note-guide>div{border:1px solid var(--border);background:color-mix(in oklab, var(--background) 30%, transparent);opacity:.42;filter:saturate(.6);border-radius:.9rem;min-width:0;padding:.62rem .65rem .58rem 2rem;transition:all .24s;position:relative}.mps-piano-note-guide>div.is-visible{opacity:1;filter:none;transform:translateY(-1px)}.mps-piano-note-guide>div.is-left.is-visible{border-color:color-mix(in oklab, var(--primary-glow) 30%, transparent);background:color-mix(in oklab, var(--primary-glow) 5%, transparent)}.mps-piano-note-guide>div.is-right.is-visible{border-color:color-mix(in oklab, var(--accent) 30%, transparent);background:color-mix(in oklab, var(--accent) 5%, transparent)}.mps-piano-guide-step{background:color-mix(in oklab, var(--foreground) 8%, transparent);width:1.05rem;height:1.05rem;color:var(--muted-foreground);border-radius:999px;place-items:center;font-size:.56rem;font-weight:900;display:grid;position:absolute;top:.58rem;left:.55rem}.mps-piano-note-guide strong,.mps-piano-note-guide span,.mps-piano-note-guide small{display:block}.mps-piano-note-guide 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