:root{--bg:#07111f;--panel:#101c30;--line:#2c4364;--text:#edf5ff;--muted:#a9b9cf;--cyan:#54d7e8;--violet:#9a7cff;--gold:#ffbd32;--green:#39d98a;--danger:#ff627d}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0,#17365b 0,transparent 30%),radial-gradient(circle at 90% 5%,#46204f 0,transparent 27%),var(--bg);color:var(--text);font:16px/1.4 system-ui,-apple-system,Segoe UI,sans-serif}.hero,main,footer{max-width:1220px;margin:auto}.hero{min-height:220px;padding:34px 28px;display:flex;align-items:center;justify-content:space-between}.eyebrow{color:var(--cyan);font-weight:800;letter-spacing:.16em;font-size:.78rem}.hero h1{font-size:clamp(2.8rem,7vw,5.2rem);line-height:.9;margin:.12em 0;background:linear-gradient(90deg,#fff,var(--cyan),#bb9cff);background-clip:text;color:transparent}.hero h1 span{color:#b68cff}.hero>div>p:last-child{color:var(--muted);font-size:1.1rem}.progress-ring{width:105px;height:105px;border-radius:50%;display:grid;place-content:center;text-align:center;background:conic-gradient(var(--cyan) var(--p,0%),#243653 0);position:relative}.progress-ring:after{content:"";position:absolute;inset:9px;background:#14223a;border-radius:50%}.progress-ring>*{z-index:1}.progress-ring strong{font-size:1.35rem}.progress-ring small{color:var(--muted)}main{padding:0 18px 50px;display:grid;gap:14px}.panel{background:linear-gradient(145deg,rgba(18,31,52,.96),rgba(12,22,39,.96));border:1px solid var(--line);border-radius:19px;padding:18px;box-shadow:0 12px 40px #0003}.controls{display:grid;grid-template-columns:1fr 1fr 2fr 1fr 1.3fr;gap:12px}.controls label{color:var(--muted);font-size:.8rem}.controls select,.controls input{width:100%;margin-top:5px}.controls select{background:#182744;color:var(--text);border:1px solid #3c5277;border-radius:10px;padding:10px}.controls 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14px;font-weight:750;cursor:pointer;transition:.18s}button:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.15)}button.primary{background:linear-gradient(90deg,#57dce8,#86a1ff);color:#092031;border:0}button:disabled{opacity:.4;cursor:not-allowed}.mode-picker{display:flex;gap:5px}.mode-picker button{padding:7px 10px}.mode-picker .active{background:var(--violet)}.drum-wrap{width:min(720px,95vw);aspect-ratio:1;margin:10px auto;position:relative}.drum{position:absolute;inset:2%;border-radius:50%;background:radial-gradient(circle,#294052 0 14%,#132d40 15% 62%,#071724 63% 70%,#b89761 71% 74%,#503722 75%);box-shadow:inset 0 0 50px #5ee7ff25,0 25px 50px #0008}.tongue{position:absolute;left:50%;top:50%;width:17%;height:29%;transform-origin:50% 0;transform:rotate(var(--a)) translate(-50%,-142%);border:2px solid #4f7183;border-radius:45% 45% 38% 38%;background:linear-gradient(100deg,#18364b,#294c5c,#10293b);box-shadow:inset 0 0 12px 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alternate}@keyframes innerPulse{to{filter:brightness(1.3);transform:rotate(var(--a)) translate(-50%,-117%) scale(1.04)}}.drum-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:25%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#24485c,#0b2132);display:grid;place-content:center;text-align:center;pointer-events:none;border:2px solid #527487;box-shadow:0 0 25px #0008}.drum-center span{font-size:clamp(1.3rem,4vw,2.4rem);font-weight:900;color:var(--cyan)}.drum-center small{color:#a9c0ce}details{border:1px solid #304867;border-radius:12px;padding:10px}summary{cursor:pointer;color:var(--cyan);font-weight:700}.key-map{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:10px}.key-map span{background:#192943;border-radius:7px;padding:7px;text-align:center}.key-map kbd{background:#fff;color:#17233a;border-radius:4px;padding:2px 6px;font-weight:900;margin-right:5px}.song-library{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.library-song{padding:14px;text-align:left;min-height:110px;background:#14243d}.library-song strong{display:block;font-size:1rem;margin:5px 0}.library-song small{color:var(--muted)}.library-song.done{border-color:var(--green)}.library-song.done:after{content:"✓ Învățată";display:block;color:var(--green);margin-top:7px}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.guide-grid div{background:#14233b;border-radius:11px;padding:14px}.guide-grid span,.guide-grid em{display:block;color:var(--muted);font-size:.85rem}.guide-grid em{color:var(--gold);margin-top:5px}footer{text-align:center;color:#8293ad;padding:30px}@media(max-width:850px){.controls{grid-template-columns:1fr 1fr}.song-field{grid-column:1/-1}.song-library{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1fr 1fr}.hero{min-height:180px}.progress-ring{width:82px;height:82px}.section-head{align-items:flex-start;flex-direction:column}.drum-wrap{width:100%}}@media(max-width:520px){.hero{padding:25px 18px}.hero h1{font-size:3rem}.hero>div>p:last-child{font-size:.9rem}.progress-ring{display:none}.controls{grid-template-columns:1fr}.song-field{grid-column:auto}.song-card{align-items:flex-start;flex-direction:column}.song-facts{justify-content:flex-start}.song-library,.guide-grid{grid-template-columns:1fr}.key-map{grid-template-columns:repeat(3,1fr)}.panel{padding:13px}.actions button{flex:1 1 45%}.tongue .note-name{display:none}}