:root{--bg: #0e1013;--panel: #171a21;--panel-2: #1e222b;--border: #2a2f3a;--text: #e8eaf0;--muted: #9aa1b0;--accent: #f5a623;--accent-dim: #b97a17;--green: #3ecf6f;--red: #ff5a5a;--alt: #8b7cff;--wood-1: #8a5a36;--wood-2: #64401f;--radius: 12px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}button{font-family:inherit}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px;border-bottom:1px solid var(--border);background:var(--panel);position:sticky;top:0;z-index:10}.app-title{font-size:20px;font-weight:800;letter-spacing:.5px;cursor:pointer;background:none;border:none;color:var(--text);padding:0}.app-title span{color:var(--accent)}.header-controls{display:flex;align-items:center;gap:10px}.xp-badge{background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:5px 12px;font-size:13px;color:var(--accent);font-weight:700}.container{max-width:980px;margin:0 auto;padding:26px 18px 60px}.btn{border:1px solid var(--border);background:var(--panel-2);color:var(--text);border-radius:9px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .08s ease,background .15s ease,border-color .15s ease}.btn:hover:not(:disabled){border-color:var(--accent);transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#1a1206}.btn.primary:hover:not(:disabled){background:var(--accent-dim);border-color:var(--accent-dim)}.btn.ghost{background:transparent}.btn.small{padding:5px 11px;font-size:13px}.seg-control{display:inline-flex;border:1px solid var(--border);border-radius:9px;overflow:hidden}.seg-control button{background:transparent;border:none;color:var(--muted);padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer}.seg-control button.active{background:var(--accent);color:#1a1206}.home-intro{color:var(--muted);margin:4px 0 22px;font-size:15px}.game-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.game-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px;transition:border-color .15s ease,transform .12s ease}.game-card:hover{border-color:var(--accent);transform:translateY(-2px)}.game-card h3{margin:0;font-size:17px}.game-card .desc{color:var(--muted);font-size:13.5px;flex:1;margin:0}.game-card .card-stats{display:flex;gap:8px;flex-wrap:wrap}.stat-chip{font-size:12px;color:var(--muted);background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:3px 10px}.stat-chip b{color:var(--text)}.weak-section{margin-top:30px}.weak-section h3{margin:0 0 10px;font-size:16px}.weak-group{margin-bottom:14px}.weak-group .weak-game{font-size:13px;color:var(--muted);margin-bottom:6px}.weak-chips{display:flex;gap:8px;flex-wrap:wrap}.weak-chip{font-size:12.5px;border:1px solid var(--red);color:var(--red);border-radius:999px;padding:3px 11px;background:#ff5a5a12}.quiz{display:flex;flex-direction:column;gap:18px}.quiz-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.quiz-title{margin:0;font-size:20px}.quiz-header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.streak-badge{font-size:14px;font-weight:700;color:var(--muted);background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:5px 12px}.streak-badge.hot{color:var(--accent);border-color:var(--accent)}.combo-badge{font-size:13px;font-weight:800;color:#1a1206;background:var(--accent);border-radius:999px;padding:5px 12px;animation:popIn .25s ease}.question-display{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;font-size:19px;line-height:1.5}.question-display .big-notes{font-size:30px;font-weight:800;color:var(--accent);letter-spacing:1px}.question-display .sub{color:var(--muted);font-size:14px;margin-top:6px}.answer-area{display:flex;flex-direction:column;gap:14px;align-items:center}.feedback{border-radius:var(--radius);padding:14px 18px;font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.feedback.correct{background:#3ecf6f1f;border:1px solid var(--green);color:var(--green)}.feedback.wrong{background:#ff5a5a1a;border:1px solid var(--red);color:var(--red)}.feedback.revealed{background:var(--panel-2);border:1px solid var(--border);color:var(--text)}.feedback-actions{display:flex;gap:10px}.picker-grid{display:grid;gap:9px;width:100%;max-width:560px}.picker-grid.notes{grid-template-columns:repeat(6,1fr)}.picker-grid.intervals{grid-template-columns:repeat(4,1fr)}.pick-btn{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:12px 6px;font-size:16px;font-weight:700;cursor:pointer;transition:border-color .12s ease,background .12s ease,transform .08s ease;display:flex;flex-direction:column;align-items:center;gap:2px}.pick-btn:hover:not(:disabled){border-color:var(--accent);transform:translateY(-1px)}.pick-btn:disabled{opacity:.4;cursor:default}.pick-btn .iv-short{font-size:16px;color:var(--accent)}.pick-btn .iv-name{font-size:10.5px;font-weight:500;color:var(--muted)}.fretboard{background:linear-gradient(180deg,var(--wood-1),var(--wood-2));border:1px solid #4a2f16;border-radius:var(--radius);padding:14px 12px 8px;overflow-x:auto;width:100%}.fb-row{display:flex;align-items:stretch;min-width:640px}.fb-string-label{width:26px;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#f0e6d8;text-shadow:0 1px 1px rgba(0,0,0,.5)}.fb-cell{position:relative;flex:1;min-width:42px;height:40px;background:transparent;border:none;border-right:3px solid #c9c9d4;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.fb-cell:before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;margin-top:-1px;background:linear-gradient(180deg,#e8e8f0,#8f8f9d);pointer-events:none}.fb-cell:hover:not(:disabled){background:#f5a6232e}.fb-cell:disabled{cursor:default}.fb-cell.fb-open{flex:none;width:40px;border-right:6px solid #e8e2d2}.fretboard.lefty .fb-cell{border-right:none;border-left:3px solid #c9c9d4}.fretboard.lefty .fb-cell.fb-open{border-left:6px solid #e8e2d2}.fretboard.lefty .fb-dots-row .fb-cell,.fretboard.lefty .fb-nums-row .fb-cell{border-left-color:transparent}.fb-dots-row .fb-cell,.fb-nums-row .fb-cell{border-right-color:transparent;height:20px;cursor:default}.fb-dots-row .fb-cell:before,.fb-nums-row .fb-cell:before{display:none}.fb-dot-cell{display:flex;align-items:center;justify-content:center;gap:4px}.fb-inlay{width:11px;height:11px;border-radius:50%;background:#d8cdb8;opacity:.85;display:inline-block}.fb-inlay.half{width:8px;height:8px}.fb-num{font-size:10.5px;color:#d8cdb8;display:flex;align-items:center;justify-content:center}.fb-marker{position:relative;z-index:1;width:26px;height:26px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px #f5a623b3;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#1a1206}.fb-marker.green{background:var(--green);box-shadow:0 0 10px #3ecf6fb3;color:#06210f}.fb-marker.red{background:var(--red);box-shadow:0 0 10px #ff5a5ab3;color:#2b0808}.fb-marker.alt{background:var(--alt);box-shadow:0 0 10px #8b7cffb3;color:#120b33}.settings-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}.settings-row label{display:flex;gap:6px;align-items:center;cursor:pointer}.settings-row select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:5px 8px;font-size:13px}.stub{background:var(--panel);border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.pop-in{animation:popIn .22s ease}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.shake{animation:shake .35s ease}.key-hint{font-size:10px;font-weight:700;color:var(--muted);border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:1px 5px;margin-top:3px;background:var(--panel-2);line-height:1.3}.btn .key-hint{margin-top:0;margin-left:6px}.piano{position:relative;display:flex;width:100%;height:170px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:8px;overflow:hidden;-webkit-user-select:none;user-select:none}.pk-white{flex:1;background:linear-gradient(180deg,#fdfdf8,#dcdce0);border:1px solid #2a2f3a;border-radius:0 0 6px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:0 0 8px;gap:6px}.pk-white:hover:not(:disabled){background:linear-gradient(180deg,#fff6e2,#f0ddb8)}.pk-black{position:absolute;top:8px;height:58%;background:linear-gradient(180deg,#3a3d46,#0b0c10);border:1px solid #000;border-radius:0 0 5px 5px;z-index:2;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:8px}.pk-black:hover:not(:disabled){background:linear-gradient(180deg,#6b5a34,#241c0c)}.pk-white:disabled,.pk-black:disabled{cursor:default}.pk-name{font-size:10px;color:#555;font-weight:700}.pk-marker{width:22px;height:22px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px #f5a623cc;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#1a1206;z-index:3}.pk-marker.green{background:var(--green);color:#06210f}.pk-marker.red{background:var(--red);color:#2b0808}.pk-marker.alt{background:var(--alt);color:#120b33}.stats-table{width:100%;border-collapse:collapse;font-size:13px}.stats-table th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;padding:6px 8px;border-bottom:1px solid var(--border)}.stats-table td{padding:7px 8px;border-bottom:1px solid var(--border)}.stats-table tr:last-child td{border-bottom:none}.stats-table .misses{color:var(--red);font-weight:700}.stats-table .acc-good{color:var(--green)}.stats-table .acc-mid{color:var(--accent)}.stats-table .acc-bad{color:var(--red)}details.stats-game{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px}details.stats-game summary{cursor:pointer;padding:14px 18px;font-weight:700;display:flex;align-items:center;gap:10px;list-style:none}details.stats-game summary::-webkit-details-marker{display:none}details.stats-game summary:after{content:"▸";margin-left:auto;color:var(--muted)}details.stats-game[open] summary:after{content:"▾"}details.stats-game .stats-body{padding:0 18px 16px}.streak-row{display:flex;align-items:center;gap:12px;margin:22px 0 10px;flex-wrap:wrap}.streak-big{font-size:16px;font-weight:800;color:var(--accent)}.heatmap{display:grid;grid-template-rows:repeat(7,12px);grid-auto-flow:column;grid-auto-columns:12px;gap:3px}.heatmap .hm-cell{width:12px;height:12px;border-radius:3px;background:var(--panel-2);border:1px solid var(--border)}.heatmap .hm-cell.l1{background:#4a3413;border-color:#4a3413}.heatmap .hm-cell.l2{background:#7a541a;border-color:#7a541a}.heatmap .hm-cell.l3{background:#b97a17;border-color:#b97a17}.heatmap .hm-cell.l4{background:var(--accent);border-color:var(--accent)}.metro{display:flex;flex-direction:column;gap:18px}.metro-display{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;text-align:center;transition:box-shadow .08s ease}.metro-display.flash{box-shadow:0 0 0 3px var(--accent),0 0 26px #f5a62373}.metro-display.flash-mute{box-shadow:0 0 0 3px var(--border)}.metro-bpm{font-size:64px;font-weight:800;line-height:1;color:var(--accent)}.metro-bpm small{font-size:16px;color:var(--muted);font-weight:600}.metro-sig{color:var(--muted);font-size:15px;margin-top:6px}.metro-bars{color:var(--muted);font-size:13px;margin-top:8px}.metro-bars .muted-tag{color:var(--red);font-weight:700}.beat-dots{display:flex;gap:8px;justify-content:center;margin-top:18px;flex-wrap:wrap}.beat-dot{width:34px;height:34px;border-radius:50%;border:2px solid var(--border);background:var(--panel-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--muted);transition:transform .06s ease,background .06s ease}.beat-dot.lv3{border-color:var(--accent);color:var(--accent)}.beat-dot.lv2{border-color:#7a6a45;color:#c9b384}.beat-dot.lv1{border-color:var(--border);color:var(--muted);opacity:.75}.beat-dot.lv0{opacity:.28}.beat-dot.current{background:var(--accent);color:#1a1206;transform:scale(1.18);border-color:var(--accent)}.beat-dot.current.lv0,.beat-dot.current.lv1{background:var(--muted);border-color:var(--muted);color:#1a1206}.metro-controls{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}.metro-tap{min-width:110px}.metro-play{min-width:150px;font-size:17px!important;padding:13px 26px!important}.metro-section{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.metro-section h4{margin:0 0 12px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.metro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.metro-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.metro-field .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.metro-field input[type=number],.metro-field select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:6px 9px;font-size:14px;width:84px}.metro-field input[type=range]{width:100%;accent-color:var(--accent)}.metro-field input[type=checkbox]{accent-color:var(--accent)}.preset-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.preset-chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:5px 8px 5px 13px;font-size:13px}.preset-chip button{padding:2px 8px}.metro-stage{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:26px 18px 20px;transition:box-shadow .08s ease}.metro-stage.flash{box-shadow:0 0 0 3px #f5a62380,0 0 34px #f5a62340}.metro-stage.flash-mute{box-shadow:0 0 0 3px var(--border)}.dial{position:relative;width:min(340px,88vw);aspect-ratio:1;margin:0 auto;touch-action:none;-webkit-user-select:none;user-select:none;cursor:grab}.dial:active{cursor:grabbing}.dial-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.dial-track{fill:none;stroke:var(--panel-2);stroke-width:12;stroke-linecap:round}.dial-progress{fill:none;stroke:var(--accent);stroke-width:12;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(245,166,35,.55))}.dial-handle{fill:var(--accent);filter:drop-shadow(0 0 6px rgba(245,166,35,.8));pointer-events:none}.dial-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;pointer-events:none}.dial-bpm{font-size:62px;font-weight:800;line-height:1;color:var(--accent)}.dial-bpm-label{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--muted)}.dial-play{pointer-events:auto;margin-top:10px;width:60px;height:60px;border-radius:50%;border:none;background:var(--accent);color:#1a1206;font-size:22px;cursor:pointer;transition:transform .1s ease,background .15s ease;box-shadow:0 4px 18px #f5a62366}.dial-play:hover{transform:scale(1.06)}.dial-play.running{background:var(--red);color:#2b0808;box-shadow:0 4px 18px #ff5a5a59}.dial-status{position:absolute;left:0;right:0;bottom:6.5%;text-align:center;font-size:12.5px;color:var(--muted);pointer-events:none}.dial-controls{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:16px}.dial-bpm-input{width:76px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:7px 9px;font-size:14px}.beat-ring-dot{position:absolute;transform:translate(-50%,-50%);border-radius:50%;border:2px solid var(--border);background:var(--panel-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;transition:transform .07s ease,box-shadow .07s ease,background .07s ease;z-index:2}.beat-ring-dot.lv3{width:36px;height:36px;border-color:var(--accent);color:var(--accent);box-shadow:0 0 8px #f5a62359}.beat-ring-dot.lv2{width:30px;height:30px;border-color:#8a734a;color:#c9b384}.beat-ring-dot.lv1{width:24px;height:24px;border-color:var(--border);color:var(--muted)}.beat-ring-dot.lv0{width:20px;height:20px;opacity:.3}.beat-ring-dot.active{transform:translate(-50%,-50%) scale(1.3);background:var(--accent);border-color:var(--accent);color:#1a1206;box-shadow:0 0 16px #f5a623cc}.beat-ring-dot.drum{width:34px;height:34px}.beat-ring-dot.drum-kick{background:var(--accent);border-color:var(--accent);color:#1a1206;box-shadow:0 0 8px #f5a62366}.beat-ring-dot.drum-snare{background:var(--alt);border-color:var(--alt);color:#120b33;box-shadow:0 0 8px #8b7cff66}.beat-ring-dot.drum-rim{background:#3d4654;border-color:#5a6678;color:#cdd6e4}.beat-ring-dot.drum-off{width:20px;height:20px;opacity:.3}.beat-ring-dot.drum.active{transform:translate(-50%,-50%) scale(1.3);box-shadow:0 0 16px #ffffff80}.groove-chips{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:14px}.groove-label{font-size:12.5px;color:var(--muted)}.metro-pills{display:flex;gap:18px 22px;align-items:center;justify-content:center;flex-wrap:wrap;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px}.pill-group{display:flex;align-items:center;gap:8px}.pill-label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:700}.pill-sep{color:var(--muted)}.pill-group input[type=number]{width:56px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:6px 8px;font-size:14px}.pill-group select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:7px;padding:6px 8px;font-size:14px}.pill-check{display:flex;gap:6px;align-items:center;cursor:pointer;font-size:13px;color:var(--muted)}.dial-hint{text-align:center;font-size:12px;color:var(--muted);margin:0;opacity:.8}.metro-details{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.metro-details summary{cursor:pointer;padding:15px 18px;font-weight:700;font-size:14px;list-style:none;display:flex;align-items:center;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.metro-details summary::-webkit-details-marker{display:none}.metro-details summary:after{content:"▸";margin-left:auto}.metro-details[open] summary:after{content:"▾"}.metro-details>div{padding:0 18px 18px}