:root{--accent-cyan:#00d1ff;--accent-cyan-dim:rgba(0, 209, 255, 0.6);--accent-cyan-glow:rgba(0, 209, 255, 0.3);--accent-blue:#0066ff;--accent-green:#4CAF50;--accent-green-hover:#45a049;--accent-red:#ff4d4d;--accent-red-pulse:#ff3b3b;--bg-app-grad-start:#0d1015;--bg-app-grad-end:#07090c;--bg-main:#0b0e13;--bg-panel:#11141a;--bg-header:#15181e;--bg-dropdown:#1b1f27;--bg-black:#111111;--bg-overlay:rgba(0, 0, 0, 0.35);--text-main:#e6e6e6;--text-light:#f0f0f0;--text-muted:#aaaaaa;--text-white:#ffffff;--text-green:#00ff00;--border-light:rgba(255, 255, 255, 0.08);--border-faint:rgba(255, 255, 255, 0.06);--border-active:rgba(255, 255, 255, 0.12);--input-bg-grad-top:#1f242c;--input-bg-grad-btm:#141820;--btn-bg-grad-top:#232833;--btn-bg-grad-btm:#171b23;--key-white:#ffffff;--key-white-active:#ffdd99;--key-black:#000000;--key-black-active:#cc4444;--bgriff-ref:#e6e6e6;--bgriff-active:#00d1ff}[data-theme=light]{--bg-app-grad-start:#f8f9fa;--bg-app-grad-end:#e9ecef;--bg-main:#ffffff;--bg-panel:#f1f3f5;--bg-header:#e9ecef;--bg-dropdown:#ffffff;--bg-black:#c8c9ca;--bg-overlay:rgba(0, 0, 0, 0.1);--text-main:#212529;--text-light:#495057;--text-muted:#6c757d;--text-white:#000000;--text-green:#2d8a2f;--border-light:rgba(0, 0, 0, 0.1);--border-faint:rgba(0, 0, 0, 0.05);--border-active:rgba(0, 0, 0, 0.2);--input-bg-grad-top:#ffffff;--input-bg-grad-btm:#f8f9fa;--btn-bg-grad-top:#f8f9fa;--btn-bg-grad-btm:#e9ecef;--key-white:#ffffff;--key-white-active:#ffdd99;--key-black:#000000;--key-black-active:#cc4444;--bgriff-ref:#c72525;--bgriff-active:#00d1ff}*{box-sizing:border-box;user-select:none}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(180deg,var(--bg-app-grad-start),var(--bg-app-grad-end));color:var(--text-main)}.app{display:flex;flex-direction:column;height:100vh}header{padding:12px 14px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(0,0,0,.25)),var(--bg-header);border-bottom:1px solid var(--border-faint);box-shadow:inset 0 -1px 0 rgba(0,0,0,.6)}.top-bar{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background:#111;border-bottom:1px solid var(--accent-cyan)}.header-layout{display:flex;gap:16px}.header-left{flex:1;min-width:320px;backdrop-filter:blur(6px)}.header-left h1{margin:0 0 8px 0}.header-right{flex:1;display:flex;gap:12px;justify-content:center;align-items:flex-start;backdrop-filter:blur(6px)}.top-logo{width:24px;height:24px;margin-right:8px;vertical-align:middle}#logoImg{margin-bottom:3px}#soundMode{color:var(--text-light);background-color:var(--input-bg-grad-btm)}#midiSelect{color:var(--text-light);background-color:var(--input-bg-grad-btm)}#midiOutSelect{color:var(--text-light);background-color:var(--input-bg-grad-btm)}.controls{display:flex;gap:10px;margin-top:10px}.controls-vertical{display:flex;flex-direction:column;align-items:flex-start;gap:12px}select{background:linear-gradient(180deg,var(--input-bg-grad-top),var(--input-bg-grad-btm));color:#eaeaea;border:1px solid var(--border-light);padding:7px 110px 7px 14px;font-size:14px;border-radius:8px;box-shadow:inset 0 1px 0 var(--border-faint),0 3px 10px rgba(0,0,0,.5);transition:box-shadow .15s ease,background-color .15s ease}select:focus{outline:0;box-shadow:0 0 0 2px rgba(0,209,255,.5);background-color:#111}button{background:linear-gradient(180deg,var(--btn-bg-grad-top),var(--btn-bg-grad-btm));color:var(--text-light);border:1px solid var(--border-light);padding:7px 44px;font-size:14px;border-radius:8px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 3px 12px rgba(0,0,0,.6);cursor:pointer;position:relative;overflow:hidden;transition:background-color .2s ease,transform .15s ease,box-shadow .15s ease}button::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.15),transparent);transform:translateX(-100%)}button:hover::after{transform:translateX(100%);transition:transform .4s ease}button:hover,select:hover{border-color:var(--accent-cyan-dim)}button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.4)}button:active{transform:scale(.97);transform:translateY(0)}input[type=checkbox]{accent-color:var(--accent-cyan);transform:scale(1.1);transition:transform .1s ease}input[type=checkbox]:active{transform:scale(.9)}#topBar{background-color:var(--bg-black)}#infoBtn{color:var(--text-light);background-color:var(--btn-bg-grad-btm)}.main{flex:1;display:flex;overflow:hidden;background:var(--bg-main)}.info{width:220px;padding:14px;font-size:14px;background:linear-gradient(180deg,rgba(255,255,255,.03),var(--bg-overlay)),var(--bg-panel);border-right:1px solid var(--border-faint);box-shadow:inset -1px 0 0 rgba(0,0,0,.6);backdrop-filter:blur(6px);display:flex;flex-direction:column;gap:12px}.info-box{background:var(--bg-overlay);border-radius:12px;padding:10px 14px;min-width:160px;height:72px;display:flex;flex-direction:column;justify-content:center;box-shadow:inset 0 0 0 1px var(--border-light)}.info-box.chord{background:linear-gradient(135deg,rgba(0,209,255,.15),rgba(0,0,0,.4))}.info-box .label{font-size:12px;opacity:.7;letter-spacing:.05em;margin-bottom:4px}.info-box .value{font-size:22px;font-weight:600;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-height:1.2em;display:flex;align-items:center}#chordName{font-size:2.2em;font-weight:700;margin-left:8px;line-height:1.2}.transpose-controls{display:flex;align-items:center;gap:8px}.transpose-controls span{min-width:24px;text-align:center;font-weight:700}.transpose-controls button{padding:6px 19px;font-size:16px}.interval-box{position:relative;overflow:hidden;white-space:nowrap}.interval-text{display:inline-block;padding-left:100%;animation:interval-scroll 8s linear infinite}@keyframes interval-scroll{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}.keyboard-wrapper{flex:1;overflow:auto;position:relative;touch-action:none;background:radial-gradient(circle at 50% 20%,rgba(255,255,255,.05),rgba(0,0,0,0) 60%),var(--bg-app-grad-end);z-index:1}.keyboard{margin-left:55px;margin-right:25px;margin-bottom:10px;display:inline-block;position:relative;height:150px;margin-top:20px;background:var(--bg-color);transform:scale(1.1);transform-origin:top left;z-index:1}.white-key{position:absolute;width:42px;height:160px;border:1px solid var(--key-black);background:var(--key-white);display:flex;justify-content:center;align-items:flex-end;font-size:14px;border-radius:0 0 10px 10px;z-index:1;transform-origin:top center;transition:background-color 80ms ease,transform 80ms ease,box-shadow 80ms ease}.white-key.active{background:var(--key-white-active);transform:scaleY(.97);box-shadow:inset 0 6px 10px rgba(0,0,0,.35),inset 0 -2px 2px rgba(255,255,255,.2)}.black-key{position:absolute;width:28px;height:100px;background:var(--key-black);border-radius:0 0 4px 4px;z-index:5;display:flex;justify-content:center;align-items:flex-end;font-size:12px;transform-origin:top center;transition:background-color 80ms ease,transform 80ms ease,box-shadow 80ms ease}.black-key.active{background:var(--key-black-active);transform:scaleY(.97);box-shadow:inset 0 4px 8px rgba(0,0,0,.6)}.bgriff{position:relative;width:max-content;padding:85px;margin-left:200px;transform:scale(1.4);transform-origin:top left;z-index:1}.bgriff-key{position:absolute;width:34px;height:34px;border-radius:50%;background:#1c1c1c;border:2px solid var(--key-black);box-shadow:inset 0 2px 4px rgba(255,255,255,.15),inset 0 -2px 4px rgba(0,0,0,.6),0 3px 6px rgba(0,0,0,.6);cursor:pointer;transition:background-color 80ms ease,transform 80ms ease,box-shadow 80ms ease}.bgriff-key.ref{background:var(--bgriff-ref);border-color:#aaa}.bgriff-key.active{background:var(--bgriff-active);border-color:#008fb3;transform:scale(.92);box-shadow:inset 0 4px 10px rgba(0,0,0,.6)}.bgriff-key.white{background:#e8e3d8;border-color:#bdb6a8}.bgriff-key.black{background:#1a1a1a;border-color:#000}.bgriff-key.c-root{box-shadow:0 0 0 2px #888 inset,0 2px 4px rgba(0,0,0,.6)}#metroTap{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}#metroDot{width:72px;height:72px;border-radius:50%;background:#444;display:flex;align-items:center;justify-content:center;text-align:center;font-size:22px;font-weight:700;line-height:1.1;color:var(--text-white);transition:transform .12s ease,background .12s ease}#metroDot.pulse{transform:scale(1.15);background:var(--accent-cyan)}.tapLabel{pointer-events:none}#tapBpm{position:absolute;text-align:center;pointer-events:none;font-size:18px;font-weight:700}.hidden{opacity:0}#bpmDisplay{font-size:14px;font-weight:600;min-width:32px}.bpmArrows{display:flex;flex-direction:column;margin-left:8px}.bpmArrows button{background:0 0;border:none;color:#2b6cff;font-size:14px;cursor:pointer;padding:2px;box-shadow:none}.bpmArrows button:active{transform:scale(1.2)}.hide-metro #metroTap{display:none}#midiLog{height:120px;overflow-y:auto;background:var(--bg-black);color:var(--text-green);padding:8px;font-size:12px}#loadSamplesBtn{padding:8px 36px;font-size:14px;background-color:var(--accent-green);color:var(--text-white);border:none;border-radius:6px;cursor:pointer;transition:background-color .2s}#loadSamplesBtn:hover{background-color:var(--accent-green-hover)}#loadSamplesBtn:disabled{background-color:#888;cursor:not-allowed}#loadProgress{width:93%;height:16px;border-radius:8px;overflow:hidden;margin-top:7px;appearance:none;display:block!important;visibility:visible!important;opacity:1!important}#loadProgress::-webkit-progress-bar{background-color:#1a1a1a;border-radius:8px;border:1px solid rgba(0,209,255,.3)}#loadProgress::-webkit-progress-value{background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue));border-radius:8px;transition:width .3s ease}#loadProgress::-moz-progress-bar{background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue));border-radius:8px}#abc-panel{margin-top:20px;padding:12px;background:#111;color:#eee}#abc-panel textarea{width:100%;background:var(--bg-black);color:var(--text-green);font-family:monospace}#waveform{width:100%;background:#0b0b0b;border-radius:8px;margin-top:10px}.hide-midiout #midiOutBox{display:none}#ytPlayer{height:250px;width:444px;aspect-ratio:16/9;background:var(--bg-black);border-radius:6px}.yt-controls{display:flex;gap:6px;margin:6px 0 12px 0}#ytUrl{width:220px;padding:6px;background:var(--bg-black);color:var(--text-green);border:1px solid #444}#gmolWindow{display:none;position:fixed;bottom:20px;left:20px;width:420px;height:260px;background:var(--bg-black);border:2px solid var(--accent-cyan);border-radius:10px;resize:both;overflow:hidden;z-index:999999;pointer-events:auto;transition:opacity .25s ease,transform .25s ease}#gmolWindow iframe{width:100%;height:calc(100% - 28px);border:none}#gmolHeader{height:28px;background:var(--accent-cyan);color:var(--bg-black);font-weight:700;cursor:move;display:flex;align-items:center;padding-left:8px}.user-panel{display:flex;align-items:center;gap:12px}.auth-controls{display:flex;align-items:center}.user-panel .avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.user-dropdown{position:relative;display:inline-block}.avatar-circle{width:35px;height:35px;border-radius:50%;border:2px solid var(--accent-cyan);cursor:pointer}.dropdown-content{display:none;position:absolute;right:0;top:45px;background:var(--bg-dropdown);border:1px solid #333;border-radius:8px;min-width:160px;z-index:1000;box-shadow:0 8px 24px rgba(0,0,0,.5);padding:5px 0}.dropdown-content.show{display:block!important}.menu-header{padding:8px 15px;font-size:13px;color:var(--text-muted)}.menu-logout{width:100%;padding:10px 15px;background:0 0;border:none;color:var(--accent-red);text-align:left;cursor:pointer;font-weight:600}.menu-logout:hover{background:rgba(255,77,77,.1)}.info-btn{padding:6px 12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:6px;color:var(--text-white);text-decoration:none;font-size:14px;transition:all .2s}.info-btn:hover{background:rgba(255,255,255,.1);border-color:var(--accent-cyan);color:var(--bg-black)}.center-warning{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,#f03,#f60);color:var(--text-white);padding:20px 40px;border-radius:14px;font-size:22px;font-weight:700;display:none;z-index:9999;text-align:center;box-shadow:0 0 20px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .25s ease;will-change:opacity;animation:pulse 1.5s infinite}.center-warning.visible{display:block;opacity:1}@keyframes pulse{0%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.05)}100%{transform:translate(-50%,-50%) scale(1)}}#mobileBlock{display:none;position:fixed;inset:0;background:var(--bg-black);color:var(--text-white);z-index:999999;flex-direction:column;justify-content:center;align-items:center;text-align:center;font-size:22px;padding:20px}#mobileBlock button{padding:12px 24px;font-size:18px;background:var(--accent-cyan);color:var(--bg-black);border:none;border-radius:8px;cursor:pointer}#mobile-blocker{position:fixed;inset:0;background:var(--bg-app-grad-start);color:#fff;z-index:1000000;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:30px}.blocker-icon{font-size:60px;margin-bottom:20px}.blocker-content h2{color:var(--accent-cyan);margin-bottom:10px}.blocker-content p{color:#ccc;max-width:300px;margin-bottom:20px}.about-page{margin:0;padding:0;min-height:100vh;height:auto;display:flex;flex-direction:column;background:linear-gradient(180deg,var(--bg-app-grad-start),var(--bg-app-grad-end));overflow-y:auto}.about-card{width:90%;max-width:750px;margin:40px auto;padding:30px;border-radius:16px;background:var(--bg-header);border:1px solid var(--border-light);box-shadow:0 20px 50px rgba(0,0,0,.5);color:var(--text-main)}.about-header{display:flex;gap:15px;align-items:center;margin-bottom:15px}.about-avatar{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:var(--bg-black);box-shadow:0 0 24px rgba(0,209,255,.6)}.me-photo{width:60px;height:60px;border-radius:50%;border:2px solid var(--accent-cyan);object-fit:cover;box-shadow:0 0 15px var(--accent-cyan-glow)}.about-header h2{margin:0;font-size:20px}.about-sub{margin:2px 0 0;font-size:13px;opacity:.7}.about-text{margin-top:16px;font-size:14px;line-height:1.6;opacity:.9}.about-divider{margin:25px 0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,209,255,.5),transparent)}.about-section{padding:10px 0}.about-links{display:flex;gap:12px}.social-link{flex:1;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;text-decoration:none;font-size:14px;font-weight:600;color:var(--text-white);background:var(--bg-dropdown);border:1px solid var(--border-light);transition:transform .15s ease,box-shadow .15s ease}.social-link svg{width:18px;height:18px;fill:currentColor}.social-link:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.8)}.social-link.fb:hover{background:#1877f2}.social-link.ig:hover{background:linear-gradient(45deg,#f58529,#dd2a7b,#8134af)}.back-float{position:fixed;bottom:20px;right:20px;z-index:2000;width:auto;height:auto;background:rgba(21,24,30,.9);border:1px solid rgba(255,255,255,.1);padding:10px 18px;border-radius:50px;color:var(--text-white);font-size:18px;font-weight:700;cursor:pointer;backdrop-filter:blur(5px);box-shadow:0 8px 22px rgba(0,0,0,.8);transition:all .3s ease}.back-float:hover{background:var(--accent-cyan);color:var(--bg-black);transform:translateX(-5px)}