@font-face{font-family:Gilmer;src:url(/fonts/Gilmer-Regular.otf)format("opentype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Gilmer;src:url(/fonts/Gilmer-Medium.otf)format("opentype");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Gilmer;src:url(/fonts/Gilmer-Bold.otf)format("opentype");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:Gilmer;src:url(/fonts/Gilmer-Heavy.otf)format("opentype");font-weight:900;font-style:normal;font-display:swap}:root{--yellow:#ffd000;--yellow-dim:#c9a800;--black:#0a0a0a;--black2:#141414;--black3:#1e1e1e;--black4:#2a2a2a;--white:#fff;--grey:#888;--text:#fff;--text2:#bbb;--teal:#2dbfa0;--amber:#ffd000;--coral:#f26d4f;--correct:#2dbfa0;--wrong:#f26d4f}html{font-size:16px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background:var(--black);color:var(--text);min-height:100vh;font-family:Gilmer,sans-serif;font-weight:400;overflow-x:hidden}h1,h2,h3,h4{letter-spacing:.5px;font-family:Gilmer,sans-serif;font-weight:700}.stars{display:none}.navbar{background:var(--black);border-bottom:2px solid var(--yellow);z-index:100;isolation:isolate;align-items:center;gap:1.5rem;height:64px;padding:0 2rem;display:flex;position:sticky;top:0}.nav-brand{letter-spacing:3px;color:var(--white);flex-shrink:0;font-family:Gilmer,sans-serif;font-size:1.5rem;font-weight:700;text-decoration:none}.nav-brand span{color:var(--yellow)}.nav-links{flex:1;justify-content:center;gap:2px;display:flex}.nav-link{letter-spacing:2px;text-transform:uppercase;color:var(--grey);border-bottom:3px solid #0000;padding:8px 20px;font-family:Gilmer,sans-serif;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s,border-color .2s}.nav-link:hover{color:var(--white)}.nav-link.active{color:var(--yellow);border-bottom-color:var(--yellow)}.nav-social{gap:8px;display:flex}.nav-hamburger{border:1.5px solid var(--black4);cursor:pointer;background:0 0;border-radius:4px;flex-direction:column;flex-shrink:0;justify-content:center;gap:5px;width:36px;height:36px;margin-left:auto;padding:6px;display:none}.nav-hamburger span{background:var(--white);transform-origin:50%;border-radius:2px;width:100%;height:2px;transition:transform .25s,opacity .25s;display:block}.nav-hamburger.open span:first-child{transform:translateY(7px)rotate(45deg)}.nav-hamburger.open span:nth-child(2){opacity:0}.nav-hamburger.open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.nav-mobile-menu{background:var(--black);border-bottom:2px solid var(--yellow);z-index:99;pointer-events:none;flex-direction:column;max-height:0;transition:max-height .35s;display:flex;position:absolute;top:64px;left:0;right:0;overflow:hidden}.nav-mobile-menu.open{pointer-events:auto;max-height:400px}.mobile-nav-link{letter-spacing:3px;text-transform:uppercase;color:var(--grey);border-left:3px solid #0000;padding:1rem 1.5rem;font-family:Gilmer,sans-serif;font-size:1.1rem;font-weight:400;text-decoration:none;transition:color .2s,border-color .2s,background .2s}.mobile-nav-link:hover{color:var(--white);background:var(--black2)}.mobile-nav-link.active{color:var(--yellow);border-left-color:var(--yellow);background:var(--black2)}.mobile-nav-social{border-top:1px solid var(--black4);gap:10px;padding:1rem 1.5rem;display:flex}.social-icon{border:1.5px solid var(--black4);width:34px;height:34px;color:var(--white);border-radius:4px;justify-content:center;align-items:center;text-decoration:none;transition:border-color .2s,color .2s;display:flex}.social-icon:hover{border-color:var(--yellow);color:var(--yellow)}.social-icon svg{width:18px;height:18px}.page-wrapper{min-height:calc(100vh - 64px)}.game-hero-split{grid-template-columns:1fr 1fr;min-height:260px;display:grid;overflow:hidden}.game-hero-left{background:var(--black2);border-right:4px solid var(--yellow);flex-direction:column;justify-content:center;padding:2.5rem 2rem 2.5rem 2.5rem;display:flex;position:relative}.game-hero-left:after{content:"";background:var(--yellow);clip-path:polygon(0 0,50% 0,100% 100%,50% 100%);z-index:2;width:36px;height:100%;position:absolute;top:0;right:-18px}.hero-tag{letter-spacing:4px;text-transform:uppercase;color:var(--yellow);margin-bottom:8px;font-family:Gilmer,sans-serif;font-size:11px;font-weight:500}.game-hero-left h1{color:var(--white);margin-bottom:8px;font-size:clamp(3rem,6vw,4.5rem);line-height:1}.game-hero-left h1 span{color:var(--yellow)}.game-hero-left p{letter-spacing:2px;text-transform:uppercase;color:var(--grey);font-size:12px;font-weight:400}.game-hero-right{background:var(--yellow);flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex;position:relative;overflow:hidden}.game-hero-right:before{content:"♩♪♫♬";opacity:.1;color:var(--black);letter-spacing:8px;font-size:72px;line-height:1;position:absolute;top:10px;left:10px}.game-hero-right-text{color:var(--black);text-align:center;font-family:Gilmer,sans-serif;font-size:clamp(3rem,6vw,5rem);font-weight:700;line-height:1;position:relative}.game-hero-right-sub{letter-spacing:3px;text-transform:uppercase;color:var(--black);opacity:.55;margin-top:8px;font-family:Gilmer,sans-serif;font-size:13px;font-weight:400;position:relative}.loading-screen{z-index:999;background:var(--black);flex-direction:column;justify-content:center;align-items:center;transition:opacity .6s;display:flex;position:fixed;inset:0;overflow:hidden}.loading-screen.fade-out{opacity:0}.loading-particles{pointer-events:none;position:absolute;inset:0;overflow:hidden}.loading-particle{color:var(--yellow);opacity:0;animation:linear infinite particleFloat;position:absolute;bottom:-30px}@keyframes particleFloat{0%{opacity:0;transform:translateY(0)rotate(0)}10%{opacity:.25}80%{opacity:.15}to{opacity:0;transform:translateY(-105vh)rotate(360deg)}}.loading-logo{opacity:0;gap:1.2rem;margin-bottom:1.2rem;transition:opacity .6s,transform .6s cubic-bezier(.34,1.56,.64,1);display:flex;transform:scale(.5)}.loading-logo.show{opacity:1;transform:scale(1)}.loading-clef{font-size:5rem;line-height:1}.loading-clef.treble{color:var(--yellow);animation:2s ease-in-out infinite clefPulse}.loading-clef.bass{color:var(--yellow);animation:2s ease-in-out .5s infinite clefPulse}@keyframes clefPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.loading-title{color:var(--yellow);letter-spacing:2px;opacity:0;white-space:nowrap;margin-bottom:.4rem;font-family:Gilmer,sans-serif;font-size:clamp(2rem,6vw,3.2rem);font-weight:900;transition:opacity .4s}.loading-title.show{opacity:1}.loading-letter{opacity:0;animation:.35s forwards letterDrop;display:inline-block;transform:translateY(12px)}@keyframes letterDrop{to{opacity:1;transform:translateY(0)}}.loading-subtitle{color:var(--grey);letter-spacing:3px;text-transform:uppercase;opacity:0;margin-bottom:2rem;font-family:Gilmer,sans-serif;font-size:clamp(.85rem,2.5vw,1.1rem);font-weight:500;transition:opacity .5s .1s,transform .5s .1s;transform:translateY(8px)}.loading-subtitle.show{opacity:1;transform:translateY(0)}.loading-staff{opacity:0;flex-direction:column;gap:4px;width:min(320px,70vw);margin-bottom:2rem;transition:opacity .4s;display:flex}.loading-staff.show{opacity:1}.loading-staff-line{background:var(--black4);transform-origin:50%;height:1.5px;animation:.5s forwards lineGrow;transform:scaleX(0)}@keyframes lineGrow{to{transform:scaleX(1)}}.loading-status{color:var(--grey);letter-spacing:2px;text-transform:uppercase;opacity:0;margin-bottom:1rem;font-family:Gilmer,sans-serif;font-size:.85rem;font-weight:400;transition:opacity .4s}.loading-status.show{opacity:1}.loading-bar-track{background:var(--black3);opacity:0;border-radius:2px;width:min(240px,50vw);height:3px;transition:opacity .4s;overflow:hidden}.loading-bar-track.show{opacity:1}.loading-bar-fill{background:var(--yellow);border-radius:2px;width:0;height:100%;transition:width 2s cubic-bezier(.4,0,.2,1)}.loading-bar-track.show .loading-bar-fill{width:70%}.loading-bar-fill.done{width:100%;transition:width .4s}.setup-screen{width:100%;padding:2rem clamp(1.5rem,5vw,6rem)}.setup-wide-row{flex-direction:column;gap:0;display:flex}.setup-col{flex-direction:column;display:flex}.setup-title{color:var(--yellow);letter-spacing:2px;margin-bottom:4px;font-family:Gilmer,sans-serif;font-size:2.4rem}.setup-sub{letter-spacing:3px;text-transform:uppercase;color:var(--grey);margin-bottom:1.5rem;font-family:Gilmer,sans-serif;font-size:.688rem;font-weight:400}.setup-section-label{letter-spacing:3px;text-transform:uppercase;color:var(--grey);margin-bottom:10px;font-family:Gilmer,sans-serif;font-size:.688rem;font-weight:500}.instrument-row{grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:1.5rem;display:grid}.instrument-card{background:var(--black3);border:1px solid var(--black4);text-align:center;cursor:pointer;border-bottom:3px solid #0000;flex-direction:column;gap:4px;padding:14px 10px;transition:background .2s,border-color .2s;display:flex}.instrument-card:hover{background:var(--black4)}.instrument-card.sel-piano,.instrument-card.sel-guitar,.instrument-card.sel-bass,.instrument-card.sel-violin{background:var(--black4);border-bottom-color:var(--yellow)}.instrument-card.sel-piano .inst-name,.instrument-card.sel-guitar .inst-name,.instrument-card.sel-bass .inst-name,.instrument-card.sel-violin .inst-name{color:var(--yellow)}.inst-name{letter-spacing:.5px;font-family:Gilmer,sans-serif;font-size:15px;font-weight:600}.inst-clef{color:var(--grey);letter-spacing:.5px;font-size:11px}.diff-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:1.5rem;display:grid}.diff-card{background:var(--black3);border:1px solid var(--black4);text-align:center;cursor:pointer;border-bottom:3px solid #0000;padding:14px 10px;transition:background .2s,border-color .2s;position:relative}.due-badge{background:var(--coral);color:var(--white);letter-spacing:.5px;white-space:nowrap;border-radius:10px;padding:2px 8px;font-family:Gilmer,sans-serif;font-size:10px;font-weight:600;line-height:1.4;position:absolute;top:-8px;right:-4px}.diff-card:hover{background:var(--black4)}.diff-card.sel-beg,.diff-card.sel-int,.diff-card.sel-adv{background:var(--black4);border-bottom-color:var(--yellow)}.diff-card.sel-beg .diff-name,.diff-card.sel-int .diff-name,.diff-card.sel-adv .diff-name{color:var(--yellow)}.diff-name{letter-spacing:1px;color:var(--white);margin-bottom:4px;font-family:Gilmer,sans-serif;font-size:16px;transition:color .2s;display:block}.diff-desc{color:var(--grey);font-size:1rem;font-weight:400;line-height:1.4}.setup-divider{background:var(--black4);height:1px;margin:1.25rem 0}.level-hint{color:var(--grey);letter-spacing:.5px;text-transform:none;margin-top:4px;font-size:11px;font-weight:400;display:block}.level-row{grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:.75rem;display:grid}.level-btn{background:var(--black3);border:1px solid var(--black4);color:var(--grey);cursor:pointer;border-bottom:3px solid #0000;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;transition:background .2s,border-color .2s,color .2s;display:flex}.level-btn:hover:not(:disabled){background:var(--black4);color:var(--white)}.level-btn.active{background:var(--black4);border-bottom-color:var(--yellow)}.level-btn.active .level-num,.level-btn.active .level-label{color:var(--yellow)}.level-btn.locked{opacity:.35;cursor:not-allowed}.level-num{letter-spacing:1px;color:var(--white);font-family:Gilmer,sans-serif;font-size:20px;font-weight:700;transition:color .2s}.level-label{letter-spacing:.5px;text-transform:uppercase;color:var(--grey);text-align:center;font-size:9px;line-height:1.2;transition:color .2s}.level-desc{color:var(--grey);text-align:center;min-height:1.2em;margin-bottom:.5rem;font-size:12px}.beg-subopts{margin-bottom:1rem}.note-type-row{flex-direction:column;gap:8px;display:flex}.nt-btn{background:var(--black3);border:1px solid var(--black4);width:100%;color:var(--grey);letter-spacing:2px;text-transform:uppercase;cursor:pointer;text-align:left;border-left:3px solid #0000;padding:12px 16px;font-family:Gilmer,sans-serif;font-size:13px;font-weight:400;transition:all .2s}.nt-btn:hover{background:var(--black4);color:var(--white)}.nt-btn.sel{background:var(--black4);border-left-color:var(--yellow);color:var(--yellow)}.preset-row{flex-wrap:wrap;gap:8px;margin-bottom:.75rem;display:flex}.preset-btn{background:var(--black3);border:1px solid var(--black4);color:var(--grey);letter-spacing:1px;cursor:pointer;padding:8px 18px;font-family:Gilmer,sans-serif;font-size:13px;font-weight:400;transition:all .2s}.preset-btn:hover{background:var(--black4);color:var(--white)}.preset-btn.sel-q,.preset-btn.sel-none,.preset-btn.sel-time{background:var(--yellow);border-color:var(--yellow);color:var(--black)}.custom-slider-row{align-items:center;gap:10px;margin-bottom:.25rem;display:flex}.custom-label{color:var(--grey);letter-spacing:1px;text-transform:uppercase;white-space:nowrap;font-size:11px;font-weight:400}.t-slider,.q-slider{accent-color:var(--yellow);cursor:pointer;flex:1;height:4px}.t-val,.q-val{color:var(--yellow);text-align:right;letter-spacing:1px;min-width:32px;font-family:Gilmer,sans-serif;font-size:1rem}.start-btn{background:var(--yellow);width:100%;color:var(--black);letter-spacing:3px;cursor:pointer;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 100%,16px 100%);border:none;margin-top:1rem;padding:16px;font-family:Gilmer,sans-serif;font-size:1.5rem;transition:background .2s;display:block}.start-btn:hover{background:var(--yellow-dim)}.game-area{width:100%;padding:1.5rem clamp(1.5rem,5vw,6rem)}.progress-section{margin-bottom:1.25rem}.progress-meta{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}.q-counter{letter-spacing:2px;text-transform:uppercase;color:var(--grey);border:1.5px solid var(--black4);padding:4px 12px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:400}.diff-badge{letter-spacing:2px;text-transform:uppercase;background:var(--yellow);color:var(--black);padding:4px 12px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:400}.range-badge{letter-spacing:2px;text-transform:uppercase;background:var(--purple);color:var(--white);border-radius:2px;padding:4px 12px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:600}.score-badge{letter-spacing:2px;text-transform:uppercase;border:1.5px solid var(--yellow);color:var(--yellow);padding:4px 12px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:400}.mute-btn{border:1.5px solid var(--black4);color:var(--grey);cursor:pointer;background:0 0;justify-content:center;align-items:center;margin-left:auto;padding:4px 8px;transition:border-color .2s,color .2s;display:flex}.mute-btn:hover{border-color:var(--yellow);color:var(--yellow)}.vol-toggle-btn{border:1.5px solid var(--black4);color:var(--grey);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:4px 8px;transition:border-color .2s,color .2s;display:flex}.vol-toggle-btn:hover{border-color:var(--yellow);color:var(--yellow)}.volume-panel{background:var(--black2);border:1px solid var(--black4);border-radius:6px;flex-wrap:wrap;gap:1.2rem;margin-top:6px;padding:10px 16px;display:flex}.vol-row{flex:120px;align-items:center;gap:8px;min-width:120px;display:flex}.vol-label{text-transform:uppercase;letter-spacing:1px;color:var(--grey);min-width:42px;font-family:Gilmer,sans-serif;font-size:11px;font-weight:500}.vol-slider{appearance:none;background:var(--black4);cursor:pointer;border-radius:2px;outline:none;flex:1;height:4px}.vol-slider::-webkit-slider-thumb{appearance:none;background:var(--yellow);cursor:pointer;border:none;border-radius:50%;width:14px;height:14px;box-shadow:0 0 4px #ffd0004d}.vol-slider::-moz-range-thumb{background:var(--yellow);cursor:pointer;border:none;border-radius:50%;width:14px;height:14px;box-shadow:0 0 4px #ffd0004d}.notes-slider::-webkit-slider-thumb{background:var(--teal);box-shadow:0 0 4px #2dbfa04d}.notes-slider::-moz-range-thumb{background:var(--teal);box-shadow:0 0 4px #2dbfa04d}.clicks-slider::-webkit-slider-thumb{background:var(--yellow);box-shadow:0 0 4px #ffd0004d}.clicks-slider::-moz-range-thumb{background:var(--yellow);box-shadow:0 0 4px #ffd0004d}.wrong-slider::-webkit-slider-thumb{background:var(--coral);box-shadow:0 0 4px #f26d4f4d}.wrong-slider::-moz-range-thumb{background:var(--coral);box-shadow:0 0 4px #f26d4f4d}.exit-btn{border:1.5px solid var(--black4);color:var(--grey);letter-spacing:2px;text-transform:uppercase;cursor:pointer;background:0 0;margin-left:0;padding:4px 12px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:400;transition:border-color .2s,color .2s}.exit-btn:hover{border-color:var(--coral);color:var(--coral)}.progress-bar-bg{background:var(--black4);height:4px;position:relative;overflow:hidden}.progress-bar-fill{background:var(--yellow);height:100%;transition:width .4s}.progress-bar-retry{background:var(--coral);opacity:.85;height:100%;transition:width .4s,left .4s;position:absolute;top:0}.progress-bar-divider{background:var(--white);opacity:.7;border-radius:1px;width:2px;height:8px;transition:left .4s;position:absolute;top:-2px}.score-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:1.25rem;display:grid}.score-card{background:var(--black2);border:1px solid var(--black4);border-top:3px solid var(--yellow);text-align:center;padding:12px;transition:transform .2s}.score-card .num{letter-spacing:1px;font-family:Gilmer,sans-serif;font-size:1.875rem;line-height:1}.score-card .lbl{color:var(--grey);text-transform:uppercase;letter-spacing:2px;margin-top:3px;font-family:Gilmer,sans-serif;font-size:.625rem;font-weight:400}.score-card.bump{animation:.3s bump}@keyframes bump{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.clef-tabs{gap:8px;margin-bottom:1.25rem;display:flex}.tab-btn{background:var(--black3);border:1px solid var(--black4);color:var(--grey);letter-spacing:2px;text-transform:uppercase;cursor:pointer;border-bottom:3px solid #0000;flex:1;padding:10px;font-family:Gilmer,sans-serif;font-size:13px;font-weight:400;transition:all .2s}.tab-btn:hover{background:var(--black4);color:var(--white)}.tab-btn.active{background:var(--black4);border-bottom-color:var(--yellow);color:var(--yellow)}.staff-card{background:var(--black2);border:1px solid var(--black4);border-left:4px solid var(--yellow);margin-bottom:1.25rem;padding:1.25rem 1rem;position:relative}.staff-card.glow-correct{border-left-color:var(--teal);box-shadow:0 0 16px #2dbfa026}.staff-card.glow-wrong{border-left-color:var(--coral);box-shadow:0 0 16px #f26d4f26}.clef-label{letter-spacing:3px;text-transform:uppercase;color:var(--yellow);text-align:center;margin-bottom:8px;font-family:Gilmer,sans-serif;font-size:11px;font-weight:500}.retry-badge{background:var(--coral);color:var(--white);letter-spacing:1.5px;text-transform:uppercase;border-radius:2px;padding:3px 10px;font-family:Gilmer,sans-serif;font-size:10px;font-weight:600;animation:1.5s ease-in-out infinite retryPulse;position:absolute;top:8px;right:10px}@keyframes retryPulse{0%,to{opacity:1}50%{opacity:.6}}.timer-ring-wrap{justify-content:center;align-items:center;width:60px;height:60px;display:flex;position:absolute;top:10px;right:10px}.timer-ring-svg{position:absolute;top:0;left:0;transform:rotate(-90deg)}.t-ring-bg{fill:none;stroke:var(--black4);stroke-width:4px}.t-ring-arc{fill:none;stroke-width:4px;stroke-linecap:butt;transition:stroke-dashoffset .9s linear}.timer-ring-num{color:var(--white);z-index:1;letter-spacing:0;font-family:Gilmer,sans-serif;font-size:1.1rem;line-height:1;position:relative}#staff-svg{width:100%;height:auto;display:block}.answer-grid{gap:10px;margin-bottom:1rem;display:grid}.ans-btn{background:var(--black3);border:1px solid var(--black4);color:var(--white);letter-spacing:1px;cursor:pointer;text-align:center;border-bottom:3px solid #0000;padding:18px 8px;font-family:Gilmer,sans-serif;font-size:1.75rem;transition:background .15s,border-color .15s;position:relative}.ans-btn:hover:not(:disabled){background:var(--black4);border-bottom-color:var(--yellow)}.ans-btn:disabled{cursor:default}.ans-btn.correct{background:var(--yellow);border-color:var(--yellow);color:var(--black)}.ans-btn.wrong-pick{background:var(--coral);border-color:var(--coral);color:var(--white)}.ans-btn.reveal{border-color:var(--teal);color:var(--teal);background:0 0;border-width:2px}.key-hint{color:var(--grey);letter-spacing:1px;margin-top:4px;font-family:Gilmer,sans-serif;font-size:.625rem;font-weight:400;display:block}.ans-btn.correct .key-hint{color:var(--black);opacity:.5}.answer-grid.choices-5{grid-template-rows:1fr 1fr;grid-template-columns:repeat(6,1fr)}.answer-grid.choices-5 .ans-btn{grid-column:span 2;font-size:2rem}.answer-grid.choices-5 .ans-btn:nth-child(4){grid-column:2/span 2}.answer-grid.choices-5 .ans-btn:nth-child(5){grid-column:4/span 2}.feedback-row{text-align:center;margin-bottom:4px}.feedback-text{letter-spacing:2px;color:var(--grey);font-family:Gilmer,sans-serif;font-size:1.4rem}.feedback-text.correct{color:var(--teal)}.feedback-text.wrong{color:var(--coral)}.mnemonic-row{text-align:center;color:var(--grey);opacity:0;margin-bottom:1rem;font-size:13px;font-weight:400;transition:opacity .3s}.mnemonic-row.show{opacity:1}.next-btn{background:var(--yellow);color:var(--black);letter-spacing:2px;cursor:pointer;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 100%,10px 100%);opacity:0;pointer-events:none;border:none;margin:.5in auto 1rem;padding:12px 40px;font-family:Gilmer,sans-serif;font-size:1.2rem;transition:opacity .2s;display:block}.next-btn.show{opacity:1;pointer-events:all}.next-btn:hover{background:var(--yellow-dim)}.ref-card{background:var(--black2);border:1px solid var(--black4);border-top:3px solid var(--yellow);margin-top:1rem}.ref-toggle-header{cursor:pointer;justify-content:space-between;align-items:center;padding:12px 16px;transition:background .2s;display:flex}.ref-toggle-header:hover{background:var(--black3)}.ref-title{letter-spacing:2px;text-transform:uppercase;color:var(--grey);font-family:Gilmer,sans-serif;font-size:12px;font-weight:400}.ref-toggle-header.open .ref-title{color:var(--yellow)}.chevron{color:var(--grey);font-size:12px;transition:transform .3s}.ref-toggle-header.open .chevron{transform:rotate(180deg)}.ref-body{max-height:0;transition:max-height .4s;overflow:hidden}.ref-body.open{max-height:260px}.unlock-toast{background:var(--black2);border:1px solid var(--yellow);border-left:4px solid var(--yellow);opacity:0;z-index:100;pointer-events:none;align-items:center;gap:10px;padding:12px 24px;transition:opacity .4s,transform .4s;display:flex;position:fixed;bottom:2rem;left:50%;transform:translate(-50%)translateY(20px);box-shadow:0 4px 20px #0006}.unlock-toast.show{opacity:1;transform:translate(-50%)translateY(0)}.toast-icon{color:var(--yellow);font-size:1.2rem}.toast-msg{letter-spacing:1px;color:var(--white);font-family:Gilmer,sans-serif;font-size:14px;font-weight:600}.round-dots{align-items:center;gap:6px;padding:6px 0;display:flex}.round-dot{background:var(--black4);border:1.5px solid var(--black4);border-radius:50%;flex-shrink:0;width:12px;height:12px;transition:background .3s,border-color .3s,transform .3s}.round-dot.done{background:var(--yellow);border-color:var(--yellow)}.round-dot.active{border-color:var(--yellow);background:0 0;animation:1.5s ease-in-out infinite dotPulse;transform:scale(1.3)}@keyframes dotPulse{0%,to{box-shadow:0 0 #ffd0004d}50%{box-shadow:0 0 0 4px #ffd00000}}.round-summary-overlay{z-index:200;background:#0a0a0abf;justify-content:center;align-items:flex-end;padding:2rem;animation:.3s overlayIn;display:flex;position:fixed;inset:0}@keyframes overlayIn{0%{opacity:0}to{opacity:1}}.round-summary-card{background:var(--black2);border:1px solid var(--black4);border-top:4px solid var(--yellow);text-align:center;width:100%;max-width:520px;padding:2rem 2.5rem;animation:.4s cardSlideUp}@keyframes cardSlideUp{0%{opacity:0;transform:translateY(60px)}to{opacity:1;transform:translateY(0)}}.round-summary-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.round-summary-tag{letter-spacing:3px;text-transform:uppercase;color:var(--grey);border:1.5px solid var(--black4);padding:4px 12px;font-family:Gilmer,sans-serif;font-size:11px;font-weight:500}.round-summary-pct{letter-spacing:1px;font-family:Gilmer,sans-serif;font-size:1.5rem;font-weight:700}.round-summary-pct.great{color:var(--teal)}.round-summary-pct.ok{color:var(--amber)}.round-summary-pct.low{color:var(--coral)}.round-summary-title{color:var(--white);letter-spacing:1px;margin-bottom:1.25rem;font-family:Gilmer,sans-serif;font-size:1.6rem}.mini-note-row{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:1.25rem;display:flex}.mini-note-glyph{background:var(--black3);border:1px solid var(--black4);border-bottom:2px solid #0000;flex-direction:column;align-items:center;gap:4px;min-width:56px;padding:8px 6px 6px;transition:border-color .2s;display:flex}.mini-note-glyph.correct{border-bottom-color:var(--teal)}.mini-note-glyph.wrong{border-bottom-color:var(--coral)}.mini-staff-svg{width:48px;height:40px;display:block}.mini-note-name{letter-spacing:1px;color:var(--grey);font-family:Gilmer,sans-serif;font-size:12px;font-weight:600}.mini-note-glyph.correct .mini-note-name{color:var(--teal)}.mini-note-glyph.wrong .mini-note-name{color:var(--coral)}.round-weakest{color:var(--grey);letter-spacing:.5px;margin-bottom:1.25rem;font-family:Gilmer,sans-serif;font-size:13px;font-weight:400}.round-weakest strong{color:var(--coral);letter-spacing:1px;font-weight:700}.round-continue-btn{background:var(--yellow);color:var(--black);letter-spacing:3px;cursor:pointer;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 100%,12px 100%);border:none;padding:14px 48px;font-family:Gilmer,sans-serif;font-size:1.2rem;transition:background .2s;display:inline-block}.round-continue-btn:hover{background:var(--yellow-dim)}.rounds-breakdown{margin-bottom:1.5rem}.rounds-breakdown-title{letter-spacing:3px;text-transform:uppercase;color:var(--grey);margin-bottom:10px;font-family:Gilmer,sans-serif;font-size:.688rem;font-weight:500}.rounds-grid{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.round-card{background:var(--black3);border:1px solid var(--black4);border-top:3px solid var(--black4);text-align:center;min-width:64px;padding:10px 14px;transition:border-color .2s}.round-card.perfect,.round-card.great{border-top-color:var(--teal)}.round-card.ok{border-top-color:var(--amber)}.round-card.low{border-top-color:var(--coral)}.round-card-num{letter-spacing:2px;text-transform:uppercase;color:var(--grey);margin-bottom:4px;font-family:Gilmer,sans-serif;font-size:10px;font-weight:500}.round-card-pct{letter-spacing:1px;font-family:Gilmer,sans-serif;font-size:1.3rem;font-weight:700}.round-card.perfect .round-card-pct,.round-card.great .round-card-pct{color:var(--teal)}.round-card.ok .round-card-pct{color:var(--amber)}.round-card.low .round-card-pct{color:var(--coral)}.round-card-detail{color:var(--grey);letter-spacing:.5px;margin-top:2px;font-family:Gilmer,sans-serif;font-size:10px;font-weight:400}.speed-toggle-row{align-items:center;gap:12px;margin-bottom:.75rem;display:flex}.speed-toggle-btn{cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:0;display:flex}.speed-toggle-track{background:var(--black4);border-radius:13px;width:48px;height:26px;transition:background .25s;display:block;position:relative}.speed-toggle-btn.active .speed-toggle-track{background:var(--teal)}.speed-toggle-thumb{background:var(--white);border-radius:50%;width:20px;height:20px;transition:left .25s;display:block;position:absolute;top:3px;left:3px}.speed-toggle-btn.active .speed-toggle-thumb{left:25px}.speed-toggle-label{letter-spacing:1px;color:var(--grey);text-transform:uppercase;font-family:Gilmer,sans-serif;font-size:14px;font-weight:600}.speed-toggle-btn.active .speed-toggle-label{color:var(--teal)}.speed-toggle-desc{color:var(--grey);letter-spacing:.5px;font-size:12px}.speed-mode-badge{letter-spacing:2px;text-transform:uppercase;background:var(--teal);color:var(--black);border-radius:2px;padding:4px 10px;font-family:Gilmer,sans-serif;font-size:10px;font-weight:600;animation:2s ease-in-out infinite speedPulse}@keyframes speedPulse{0%,to{opacity:1}50%{opacity:.7}}.response-time-label{text-align:center;letter-spacing:1.5px;color:var(--teal);opacity:0;margin-bottom:.5rem;font-family:Gilmer,sans-serif;font-size:13px;font-weight:500;animation:.3s forwards fadeInTime}@keyframes fadeInTime{to{opacity:1}}.results{background:var(--black2);border:1px solid var(--black4);border-top:4px solid var(--yellow);text-align:center;opacity:0;max-width:700px;margin:2rem auto;padding:3rem 2rem;transition:opacity .4s,transform .4s;transform:translateY(20px)}.results.show{opacity:1;transform:translateY(0)}.results-title{color:var(--white);margin-bottom:4px;font-size:3rem}.results-score{color:var(--yellow);margin-bottom:4px;font-size:5rem;line-height:1}.stars-row{justify-content:center;gap:8px;margin:.75rem 0;font-size:2rem;display:flex}.stars-row .star{color:var(--black4)}.stars-row .star.filled{color:var(--yellow)}.results-msg{color:var(--text2);margin-bottom:1.75rem;font-size:.9375rem;font-weight:400}.results-stats{justify-content:center;gap:1.5rem;margin-bottom:1.5rem;display:flex}.results-stat{align-items:center;gap:6px;font-family:Gilmer,sans-serif;display:flex}.results-stat .stat-num{font-size:1.5rem;font-weight:700}.results-stat .stat-label{color:var(--text2);letter-spacing:.5px;font-size:.8rem}.retried-stat .stat-num{color:var(--coral)}.level-stat .stat-num{color:var(--purple)}.speed-stats-section{background:var(--black3);border:1px solid var(--black4);border-top:3px solid var(--teal);margin-bottom:1.5rem;padding:1.25rem}.speed-stats-title{letter-spacing:3px;text-transform:uppercase;color:var(--grey);margin-bottom:12px;font-family:Gilmer,sans-serif;font-size:.688rem;font-weight:500}.speed-stats-row{justify-content:center;gap:2rem;display:flex}.speed-stat{flex-direction:column;align-items:center;gap:4px;display:flex}.speed-stat-label{letter-spacing:2px;text-transform:uppercase;color:var(--grey);font-family:Gilmer,sans-serif;font-size:10px;font-weight:500}.speed-stat-note{color:var(--white);letter-spacing:.5px;font-family:Gilmer,sans-serif;font-size:14px;font-weight:600}.speed-stat-time{letter-spacing:1px;font-family:Gilmer,sans-serif;font-size:1.5rem;font-weight:700}.speed-stat.fastest .speed-stat-time{color:var(--teal)}.speed-stat.average .speed-stat-time{color:var(--amber)}.speed-stat.slowest .speed-stat-time{color:var(--coral)}.restart-btn{background:var(--yellow);color:var(--black);letter-spacing:3px;cursor:pointer;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 100%,14px 100%);border:none;padding:14px 48px;font-family:Gilmer,sans-serif;font-size:1.4rem;transition:background .2s}.restart-btn:hover{background:var(--yellow-dim)}.page-hero{border:1px solid var(--black4);border-top:4px solid var(--yellow);background:var(--black2);justify-content:center;align-items:center;gap:2rem;width:100%;max-width:960px;margin:0 auto;padding:2.5rem 3rem;animation:.5s slideDown;display:flex}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.page-hero-logo{object-fit:contain;border:2px solid 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var(--black4);text-align:center;background:var(--black3);padding:2rem}.placeholder-icon{margin-bottom:8px;font-size:32px;display:block}.placeholder-text{color:var(--grey);letter-spacing:1px;font-size:13px;font-weight:400}.about-social-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:1rem;display:grid}.about-social-card{background:var(--black3);border:1px solid var(--black4);border-bottom:3px solid var(--yellow);color:var(--white);flex-direction:column;align-items:center;gap:10px;padding:1.5rem 1rem;text-decoration:none;transition:background .2s;display:flex}.about-social-card:hover{background:var(--black4)}.about-social-icon{background:var(--black4);width:48px;height:48px;color:var(--white);border-radius:4px;justify-content:center;align-items:center;display:flex}.about-social-icon svg{width:26px;height:26px}.about-social-label{letter-spacing:2px;text-transform:uppercase;color:var(--grey);font-family:Gilmer,sans-serif;font-size:12px;font-weight:400}.contact-card{background:var(--black2);border:1px solid var(--black4);border-top:4px solid var(--yellow);width:100%;max-width:960px;margin:0 auto;padding:2.5rem 3rem}.form-row{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;display:grid}.form-field{flex-direction:column;gap:6px;margin-bottom:1rem;display:flex}.form-label{letter-spacing:3px;text-transform:uppercase;color:var(--grey);justify-content:space-between;align-items:center;font-family:Gilmer,sans-serif;font-size:11px;font-weight:400;display:flex}.char-count{letter-spacing:1px;color:var(--black4);text-transform:none;font-size:10px}.form-input,.form-textarea{background:var(--black3);border:1px solid var(--black4);border-bottom:2px solid var(--black4);color:var(--white);outline:none;padding:12px 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14px;font-size:14px;font-weight:400}.form-submit{background:var(--yellow);width:100%;color:var(--black);letter-spacing:3px;cursor:pointer;text-align:center;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 100%,16px 100%);border:none;padding:16px;font-family:Gilmer,sans-serif;font-size:1.5rem;transition:background .2s}.form-submit:hover{background:var(--yellow-dim)}.form-submit:disabled{opacity:.6;cursor:not-allowed}.form-success{text-align:center;padding:2rem 1rem}.success-icon{margin-bottom:1rem;font-size:56px}.success-title{color:var(--yellow);letter-spacing:2px;margin-bottom:.5rem;font-family:Gilmer,sans-serif;font-size:2.5rem}.success-body{color:var(--text2);font-size:15px;line-height:1.6}.fs-fab{z-index:300;background:var(--yellow);width:42px;height:42px;color:var(--black);letter-spacing:1px;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;box-shadow:3px 3px 0 #00000080, 0 0 0 2px var(--black);border:none;border-radius:4px;justify-content:center;align-items:center;font-family:Gilmer,sans-serif;font-size:1.1rem;transition:box-shadow .15s;display:flex;position:fixed}.fs-fab:hover{box-shadow:4px 4px 0 #0009, 0 0 0 2px var(--black)}.fs-fab.open{background:var(--white)}.fs-fab.dragging{cursor:grabbing;box-shadow:6px 6px #0006}.fs-popup{z-index:301;background:var(--black2);border:1px solid var(--black4);border-top:3px solid var(--yellow);flex-direction:column;gap:4px;min-width:110px;padding:10px 8px 8px;display:none;position:fixed;box-shadow:4px 4px #0009}.fs-popup.show{display:flex}.fs-popup-title{letter-spacing:2px;color:var(--yellow);text-transform:uppercase;border-bottom:1px solid var(--black4);margin-bottom:4px;padding-bottom:4px;font-family:Gilmer,sans-serif;font-size:.75rem}.fs-pop-btn{background:var(--black3);border:1px solid var(--black4);color:var(--white);cursor:pointer;letter-spacing:1px;text-transform:uppercase;text-align:left;align-items:center;gap:8px;width:100%;padding:6px 8px;font-family:Gilmer,sans-serif;font-size:12px;font-weight:400;transition:background .15s,color .15s;display:flex}.fs-pop-btn:hover{background:var(--black4)}.fs-pop-btn.active{background:var(--yellow);color:var(--black);border-color:var(--yellow)}.confetti-piece{pointer-events:none;z-index:9999;border-radius:2px;width:10px;height:10px;animation:linear forwards confettiFall;position:fixed;top:-10px}@keyframes confettiFall{to{opacity:0;transform:translateY(110vh)rotate(720deg)}}@media (width<=600px){.navbar{gap:.75rem;padding:0 1rem;position:relative}.nav-brand{font-size:1.2rem}.nav-links,.nav-social{display:none}.nav-hamburger{display:flex}.game-hero-split{grid-template-columns:1fr}.game-hero-left:after{display:none}.game-hero-right{min-height:120px}.game-hero-left,.game-hero-right{padding:1.5rem 1rem}.game-hero-right-text,.game-hero-right-sub{text-align:left}.setup-screen{padding:1.25rem 1rem}.game-area,.page-content{padding:1rem}.page-hero{text-align:center;flex-direction:column;padding:1.5rem 1rem}.page-title{white-space:normal}.round-summary-overlay{align-items:center;padding:1rem}.round-summary-card{padding:1.5rem 1rem}.mini-note-row{gap:8px}.mini-note-glyph{min-width:48px;padding:6px 4px 4px}.instrument-row{grid-template-columns:repeat(2,1fr)}.level-row{grid-template-columns:repeat(3,1fr)}.diff-row,.setup-wide-row,.form-row,.about-social-grid{grid-template-columns:1fr}.contact-card{margin:.75rem;padding:1rem}.results{margin:1rem}}@media (width>=900px){.setup-wide-row{grid-template-columns:1fr 1fr;gap:3rem;display:grid}.page-content{flex-flow:wrap;align-items:stretch}.about-card{flex:400px}.about-social-section{flex:100%}}@media (width>=1100px){.game-area{grid-template-columns:1fr 1fr;align-items:start;column-gap:3rem;display:grid}.game-area .progress-section,.game-area .score-row,.game-area .ref-card{grid-column:1/-1}.game-area .clef-tabs{grid-column:1;margin-bottom:0}.game-area .staff-card{flex-direction:column;grid-column:1;justify-content:center;min-height:320px;margin-bottom:0;display:flex}.game-area .game-right-col{flex-direction:column;grid-column:2;display:flex}.ans-btn{padding:2.5rem 8px}.answer-grid[style*=repeat\(4]{grid-template-columns:1fr 1fr!important}}