.intro-text{max-width:650px;margin:0 auto 3rem;text-align:center;font-size:1.1rem;line-height:1.6;color:#595959}.youtube-timer-container{max-width:1600px;width:95%;margin:0 auto;padding:2rem;display:flex;flex-direction:column;gap:2rem}.main-content{display:grid;grid-template-columns:1fr 450px;gap:2rem;align-items:start;min-height:100vh;margin-top:3rem;padding-top:2rem;border-top:2px solid var(--text-color)}.config-panel{background:var(--background-color);border:3px solid var(--text-color);padding:2.5rem;border-radius:16px;width:100%;margin-bottom:3rem;box-shadow:6px 6px 0 var(--text-color)}.config-panel h3{margin-top:0;margin-bottom:1rem;font-size:1.8rem;border-bottom:3px solid var(--text-color);padding-bottom:1rem;display:inline-block}.config-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem 2rem;align-items:start;margin-bottom:2rem}.config-inputs .input-group{margin-bottom:0;display:flex;flex-direction:column;flex:1;min-width:150px}.config-inputs .input-group:first-child{grid-column:span 2}@media(max-width:768px){.config-inputs .input-group:first-child{grid-column:1 / -1}}.config-actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;padding-top:1rem;border-top:2px dashed var(--text-color)}.mode-toggle{text-align:center;margin-bottom:1.5rem}.add-note-container{margin-bottom:1.5rem;text-align:center}.notes-builder{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}.note-builder-item{background:var(--background-color);border:2px solid var(--text-color);padding:1.2rem;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;gap:.8rem;transition:all .2s ease;border-radius:10px}.note-builder-item:hover{border-color:var(--accent-color);box-shadow:4px 4px 0 var(--text-color);transform:translateY(-2px)}.note-builder-main{display:flex;align-items:center;gap:1rem;grid-column:1;grid-row:1}.note-time{font-weight:700;font-size:1.6rem;min-width:70px;font-family:Courier New,monospace}.color-dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--text-color);flex-shrink:0}.note-message{flex:1;color:var(--text-color);font-size:1.4rem;font-weight:500}.note-builder-badges{display:flex;gap:.5rem;flex-wrap:wrap;grid-column:1 / 3;grid-row:2;padding-left:calc(60px + 1rem)}.badge{font-size:.9rem;padding:.3rem .7rem;border:1px solid var(--text-color);font-weight:700;text-transform:uppercase;border-radius:4px}.badge-count{background:#d8a7b1;color:#000}.badge-bpm{background:#e8a87c;color:#000}.badge-hidden{background:#999;color:#000}.note-builder-actions{display:flex;gap:.5rem;grid-column:2;grid-row:1;align-items:center}.btn-edit,.btn-duplicate{background:transparent;color:var(--text-color);border:none;padding:.5rem;cursor:pointer;font-weight:600;transition:all .2s;font-size:1.1rem;text-decoration:underline;opacity:.7}.btn-edit:hover,.btn-duplicate:hover{opacity:1;background:transparent;color:var(--accent-color)}.edit-panel{background:var(--background-color);border:3px solid var(--accent-color);padding:2rem;margin-top:1.5rem;border-radius:16px;box-shadow:6px 6px 0 var(--accent-color)}.edit-panel h4{margin-top:0;margin-bottom:1.5rem;color:var(--accent-color);font-size:1.6rem;border-bottom:2px solid var(--accent-color);padding-bottom:.8rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.6rem;font-weight:700;font-size:1.2rem;text-transform:uppercase;letter-spacing:.05em}.form-group input[type=number],.form-group input[type=text],.form-group select{width:100%;padding:1rem 1.2rem;border:2px solid var(--text-color);border-radius:8px;background:var(--background-color);color:var(--text-color);font-family:inherit;font-size:1.4rem;transition:all .2s ease}.form-group input[type=number]:focus-visible,.form-group input[type=text]:focus-visible,.form-group select:focus-visible{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px var(--accent-color)}.form-group input[type=number]:focus:not(:focus-visible),.form-group input[type=text]:focus:not(:focus-visible),.form-group select:focus:not(:focus-visible){outline:none;border-color:var(--accent-color);box-shadow:4px 4px 0 var(--accent-color)}.form-group input[type=checkbox]{margin-right:.75rem;width:1.4rem;height:1.4rem;vertical-align:middle;accent-color:var(--accent-color)}.edit-time-formatted{color:var(--accent-color);margin-left:0;font-size:1rem;display:block;margin-top:.4rem;font-weight:600}.advanced-options{border:2px solid var(--text-color);border-radius:12px;padding:1.5rem;margin:1.5rem 0}.advanced-options summary{cursor:pointer;font-weight:700;margin-bottom:1rem;font-size:1.2rem;text-transform:uppercase;letter-spacing:.05em}.advanced-options[open] summary{margin-bottom:1.5rem}.edit-actions{display:flex;gap:1rem;margin-top:2rem}.input-group{margin-bottom:1.8rem;font-size:1.2rem;text-transform:uppercase;letter-spacing:.05em}.input-group input,.input-group textarea,.input-group select{width:100%;padding:1rem 1.2rem;border:2px solid var(--text-color);border-radius:8px;background:var(--background-color);color:var(--text-color);font-family:inherit;font-size:1.4rem;box-sizing:border-box;transition:all .2s ease}.input-group input:focus-visible,.input-group textarea:focus-visible,.input-group select:focus-visible{outline:none;border-color:var(--accent-color, #ff6b6b);box-shadow:0 0 0 2px var(--accent-color, #ff6b6b)}.input-group input:focus:not(:focus-visible),.input-group textarea:focus:not(:focus-visible),.input-group select:focus:not(:focus-visible){outline:none;border-color:var(--accent-color, #ff6b6b);box-shadow:4px 4px 0 var(--accent-color, #ff6b6b)}.input-group textarea{font-family:Courier New,monospace;resize:vertical}.input-group small{display:block;margin-top:.6rem;color:var(--text-color);font-size:1rem;opacity:.8;line-height:1.4}.json-status{margin-top:1rem;padding:1rem;border-radius:8px;font-size:.95rem;font-weight:600;display:none;align-items:center;gap:.75rem;transition:all .3s ease}.json-status.valid{display:flex;background:#d4edda;color:#155724;border:2px solid #c3e6cb}.json-status.invalid{display:flex;background:#f8d7da;color:#721c24;border:2px solid #f5c6cb}.json-status:before{content:"";width:12px;height:12px;border-radius:50%;transition:all .3s ease}.json-status.valid:before{background:#28a745;box-shadow:0 0 8px #28a74566}.json-status.invalid:before{background:#dc3545;box-shadow:0 0 8px #dc354566}.btn-primary,.btn-secondary,.btn-accent{padding:.8rem 1.6rem;border:2px solid var(--text-color);background:var(--text-color);color:var(--background-color);font-weight:700;cursor:pointer;border-radius:8px;font-size:1rem;transition:all .2s ease;text-transform:uppercase;letter-spacing:.05em}.btn-primary:hover,.btn-secondary:hover,.btn-accent:hover{transform:translateY(-2px);box-shadow:4px 4px 0 var(--text-color)}.btn-primary:active,.btn-secondary:active,.btn-accent:active{transform:translateY(0);box-shadow:none}.btn-secondary{background:var(--background-color);color:var(--text-color)}.btn-accent{background:var(--accent-color);color:var(--background-color);border-color:var(--accent-color)}.btn-accent:hover{box-shadow:4px 4px 0 var(--accent-color)}.btn-builder-toggle:hover{background:var(--background-color);color:var(--text-color)}.btn-sm{padding:.6rem 1.5rem}.btn-lg{padding:1rem 2rem;font-size:1.1rem}.btn-flex{flex:1}.btn-full-width{width:100%;margin-bottom:1.5rem}.btn-delete{background:#dc3545;color:#fff;border:2px solid #dc3545;padding:.8rem 1.6rem;cursor:pointer;font-weight:700;border-radius:8px;font-size:1rem;text-transform:uppercase;letter-spacing:.05em;transition:all .2s ease;margin-left:auto}.btn-delete:hover{transform:translateY(-2px);box-shadow:4px 4px #dc3545}.btn-delete:active{transform:translateY(0);box-shadow:none}.sidebar-mode-toggle{display:flex;gap:.75rem;margin-bottom:1.5rem}.sidebar-mode-toggle .btn-primary{flex:1}.edit-mode-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.edit-mode-header h4{margin:0}.notes-empty-state{text-align:center;color:var(--text-color);opacity:.5;padding:2rem;font-style:italic}.btn-control{width:80px;height:80px;padding:0;border:2px solid var(--text-color);background:var(--background-color);color:var(--text-color);font-weight:700;cursor:pointer;border-radius:50%;font-size:2.5rem;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.btn-control:hover:not(:disabled){background:var(--text-color);color:var(--background-color);transform:scale(1.05)}.btn-control:active:not(:disabled){transform:scale(.95)}.btn-control.active{background:var(--text-color);color:var(--background-color)}.btn-control.slow-1{font-size:2rem}.btn-control.slow-2{font-size:2.5rem}.btn-control.slow-3{font-size:3rem}.btn-control:disabled{opacity:.6;cursor:not-allowed;border-color:#999;color:#999}.btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-accent:focus-visible,.btn-control:focus-visible,.btn-delete:focus-visible,.btn-toggle-video:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.btn-toggle-video{width:100%;padding:1rem;border:2px solid var(--text-color);background:var(--background-color);color:var(--text-color);font-weight:700;cursor:pointer;border-radius:8px;font-size:1.1rem;transition:all .2s ease;text-align:center;text-transform:uppercase;letter-spacing:.05em}.btn-toggle-video:hover{background:var(--text-color);color:var(--background-color);box-shadow:4px 4px 0 var(--text-color);transform:translateY(-2px)}.btn-toggle-video:active{transform:translateY(0);box-shadow:none}.btn-toggle-video.expanded{margin-bottom:0}.player-section{display:flex;flex-direction:column;gap:1.5rem;min-width:0}.player-wrapper{width:100%;max-width:888px;aspect-ratio:16 / 9;margin:0 auto;background:#000;border:2px solid var(--text-color);border-radius:0;overflow:hidden;contain:layout}#player{width:100%;height:100%}.controls{display:flex;flex-direction:column;gap:2rem;align-items:center;margin-top:2rem}.controls-buttons{display:flex;gap:2rem;justify-content:center}.btn-control-wrapper{display:flex;flex-direction:column;align-items:center;gap:.5rem;position:relative}.speed-display{font-style:italic;font-size:.9rem;height:1.2rem;color:var(--text-color);position:absolute;bottom:-1.7rem;white-space:nowrap}.time-display{font-weight:700;font-family:Courier New,monospace;font-size:2.5rem;color:var(--text-color);text-align:center}.scrubber-container{position:relative;padding-top:1.5rem;margin-top:1rem}.scrubber{width:100%;cursor:pointer}.scrubber:disabled{cursor:not-allowed;opacity:.5}.scrubber-markers{position:absolute;top:0;left:0;right:0;height:20px;pointer-events:none}.marker{position:absolute;width:3px;height:20px;background:#ff6b6b;transform:translate(-50%);opacity:.7}.timing-display{position:relative;background:var(--background-color);padding:2rem;border:2px solid var(--text-color);margin-top:2rem;display:flex;flex-direction:column;gap:1.5rem;justify-content:center;align-items:center;min-height:300px}.timing-display h4{margin:0 0 1rem;font-size:1.3rem}.note-display{position:relative;font-family:var(--a-font);font-size:5rem;font-weight:900;padding:2.5rem 3rem;background:var(--background-color);background-clip:padding-box;border:6px solid var(--text-color);border-radius:7.1px;text-align:center;display:inline-flex;align-items:center;justify-content:center;line-height:1.1;transition:all .3s ease;letter-spacing:.02em;-webkit-text-stroke:2px var(--text-color);color:transparent;margin:0 auto}.note-display.next-note{position:absolute;bottom:1.5rem;left:50%;transform:translate(-50%);font-size:1.6rem;font-weight:700;padding:1rem 2.5rem;border:2px solid var(--text-color);border-radius:12px;-webkit-text-stroke:0;color:var(--text-color);opacity:.9;margin:0;background:color-mix(in srgb,var(--background-color),var(--text-color) 8%);letter-spacing:.05em;text-transform:uppercase;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;box-shadow:0 2px 8px #0000001a}.note-display.next-note #nextNoteText{font-weight:800;margin-left:.6rem}.note-display.next-note:not(.visible){opacity:0}.note-display.active{background-color:var(--background-color);border-color:var(--note-color);box-shadow:0 0 0 12px color-mix(in srgb,var(--note-color),transparent 70%)}.note-display:before{content:"";position:absolute;inset:-13px;border-radius:13px;pointer-events:none}.note-display:after{content:"";position:absolute;inset:0;border:1px solid var(--text-color);border-radius:1.5px;pointer-events:none}.note-display.beat-pop{animation:beatPop .15s cubic-bezier(.175,.885,.32,1.275)}.note-display.downbeat{animation:downbeatPop .15s cubic-bezier(.175,.885,.32,1.275)}@keyframes beatPop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}@keyframes downbeatPop{0%{transform:scale(1)}50%{transform:scale(1.25)}to{transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.notes-list{background:var(--background-color);padding:2rem;border:3px solid var(--text-color);border-radius:16px;position:sticky;top:1rem;height:calc(100vh - 2rem);overflow-y:auto;align-self:start;box-shadow:6px 6px 0 var(--text-color)}.notes-list h4{margin:0 0 1.2rem;font-size:1.5rem;text-transform:uppercase;letter-spacing:.05em}.note-item{padding:1.2rem 1.4rem;margin:0 0 1.2rem;border:2px solid var(--text-color);border-radius:8px;transition:all .2s ease;font-size:1.5rem}.note-item:hover{transform:translate(4px);border-color:var(--accent-color)}.note-item:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px;transform:translate(4px);border-color:var(--accent-color)}.note-item.active{background:var(--note-color, var(--text-color))!important;color:#000;font-weight:700;border:2px solid #000;border-radius:8px;box-shadow:4px 4px #000}@media(max-width:1200px){.main-content{grid-template-columns:1fr}}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.input-inline-sm{width:100px;margin-left:1rem}.play-mode h4{margin:0 0 .5rem}.config-inputs .input-group small{display:none}