:root{--bg:#0a0a0f;--bg2:#111118;--bg3:#1a1a24;--bg4:#22222e;--acc:#c8a96e;--acc2:#7ec8a9;--acc3:#8896c8;--txt:#e8e4dc;--mut:#8a8478;--brd:rgba(200,169,110,.18);--brd2:rgba(200,169,110,.07);--r:10px;--rl:14px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--txt);font-family:DM Sans,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}body>nav:first-of-type{position:sticky;top:0;z-index:100;background:#0a0a0ff5;backdrop-filter:blur(12px);border-bottom:1px solid var(--brd);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:56px}.nav-brand{font-family:Playfair Display,serif;font-size:1.25rem;color:var(--acc);text-decoration:none}.nav-links{display:flex;gap:0;list-style:none}.nav-links a{color:var(--mut);text-decoration:none;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;font-weight:500;padding:.35rem .85rem;border-radius:50px;transition:color .2s,background .2s;line-height:1}.nav-links a:hover,.nav-links a.active{color:var(--acc);background:#c8a96e14}.page-header{max-width:1000px;margin:0 auto;padding:2.5rem 1.5rem 1.5rem}.eyebrow{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);font-weight:500;margin-bottom:.6rem}.page-header h1{font-family:Playfair Display,serif;font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:900;color:#fff;line-height:1.15;margin-bottom:.75rem}.page-header h1 em{color:var(--acc);font-style:normal}.lead{color:var(--mut);font-size:.96rem;max-width:580px;line-height:1.6}hr.div{border:none;border-top:1px solid var(--brd2);margin:0}section{padding:2rem 1.5rem}.container{max-width:1000px;margin:0 auto}.sec-label{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);font-weight:500;margin-bottom:.4rem}.sec-title{font-family:Playfair Display,serif;font-size:clamp(1.3rem,2.2vw,1.85rem);color:#fff;line-height:1.2;margin-bottom:.65rem}.sec-desc{color:var(--mut);max-width:660px;margin-bottom:1.5rem;font-size:.94rem}.app-nav{display:flex;gap:.25rem;flex-wrap:wrap;margin-bottom:1.5rem;background:var(--bg3);border:1px solid var(--brd);border-radius:50px;padding:.25rem;width:fit-content}.app-nav-btn{background:none;border:none;color:var(--mut);font-size:.8rem;font-weight:500;font-family:DM Sans,sans-serif;padding:.4rem .9rem;border-radius:50px;cursor:pointer;transition:all .18s;white-space:nowrap}.app-nav-btn.active{background:var(--acc);color:#0a0a0f;font-weight:700}.app-nav-btn:hover:not(.active){color:var(--acc)}.tool-panel{display:none}.tool-panel.active{display:block}.notation-card{background:var(--bg2);border:1px solid var(--brd);border-radius:var(--rl);overflow:hidden}.notation-header{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.1rem;border-bottom:1px solid var(--brd2)}.notation-title{font-family:Playfair Display,serif;font-size:1rem;color:var(--acc);font-weight:700}.notation-sub{font-size:.78rem;color:var(--mut)}.play-btn{width:36px;height:36px;border-radius:50%;background:var(--acc);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s;flex-shrink:0}.play-btn:hover{transform:scale(1.08)}.play-btn.playing{background:var(--acc2)}.play-btn svg{width:13px;height:13px;fill:#0a0a0f;margin-left:2px}.play-btn.playing svg{margin-left:0}.notation-body{padding:.85rem 1.1rem}.staff-wrap{background:#0d1520;border-radius:8px;padding:.6rem .8rem;overflow-x:auto}.staff-svg{display:block;min-width:520px}.note-pills-row{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.75rem}.npill{width:38px;height:38px;border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--brd);background:var(--bg3);font-size:.85rem;color:var(--txt);transition:all .2s}.npill.root{background:#c8a96e2e;border-color:var(--acc);color:var(--acc);font-weight:700}.npill.chord-tone{background:#c8a96e1a;border-color:#c8a96e4d;color:var(--acc)}.npill.active-play{border-color:var(--acc2);background:#7ec8a933;transform:scale(1.1)}.npill-deg{font-size:.55rem;color:var(--mut);margin-top:1px}.steps-row{display:flex;gap:.25rem;flex-wrap:wrap;margin-top:.5rem;align-items:center}.step-box{padding:.25rem .5rem;border-radius:5px;font-size:.72rem;font-weight:700}.step-box.G{background:#7ec8a91f;color:var(--acc2);border:1px solid rgba(126,200,169,.25)}.step-box.HT{background:#c8a96e1f;color:var(--acc);border:1px solid rgba(200,169,110,.3)}.step-arrow{color:var(--mut);font-size:.65rem}.scale-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1rem}.scale-card{background:var(--bg2);border:1px solid var(--brd);border-radius:var(--rl);overflow:hidden;transition:border-color .2s,transform .2s}.scale-card:hover{border-color:var(--acc);transform:translateY(-2px)}.scale-card-top{padding:.85rem 1.1rem .5rem;display:flex;align-items:center;justify-content:space-between}.scale-key{font-family:Playfair Display,serif;font-size:1.55rem;color:#fff;font-weight:900;line-height:1}.scale-sig{font-size:.74rem;color:var(--mut)}.scale-staff-mini{background:#0d1520;padding:.4rem .8rem}.scale-staff-mini svg{display:block;width:100%}.scale-bottom{padding:.55rem 1.1rem .95rem}.scale-pills{display:flex;flex-wrap:wrap;gap:.2rem;margin-bottom:.45rem}.spill{padding:.15rem .45rem;border-radius:5px;font-size:.78rem;background:var(--bg3);border:1px solid var(--brd2);color:var(--mut)}.spill.root{background:#c8a96e1f;border-color:#c8a96e4d;color:var(--acc);font-weight:700}.scale-desc{font-size:.8rem;color:var(--mut);line-height:1.45}.scale-play-btn{width:30px;height:30px;border-radius:50%;background:var(--acc);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s;flex-shrink:0}.scale-play-btn:hover{transform:scale(1.1)}.scale-play-btn.playing{background:var(--acc2)}.scale-play-btn svg{width:10px;height:10px;fill:#0a0a0f;margin-left:1px}.theory-block{background:var(--bg2);border:1px solid var(--brd);border-radius:var(--rl);padding:1.4rem 1.6rem;margin-bottom:1rem}.theory-block h3{font-family:Playfair Display,serif;font-size:1.25rem;color:#fff;margin-bottom:.6rem}.theory-block h4{font-family:Playfair Display,serif;font-size:.98rem;color:var(--acc);margin:.95rem 0 .4rem}.theory-block p{color:var(--mut);margin-bottom:.6rem;font-size:.92rem;line-height:1.65}.theory-block strong{color:var(--txt)}.theory-block ul{color:var(--mut);padding-left:1.2rem;margin-bottom:.6rem;font-size:.92rem}.theory-block ul li{margin-bottom:.3rem}.tempo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.6rem;margin:.9rem 0}.tempo-card{background:var(--bg3);border:1px solid var(--brd2);border-radius:8px;padding:.7rem .85rem}.tempo-card .tname{font-family:Playfair Display,serif;color:var(--acc);font-size:.95rem;font-weight:700;margin-bottom:.15rem}.tempo-card .tbpm{font-size:.75rem;color:var(--mut);letter-spacing:.04em;margin-bottom:.3rem}.tempo-card .tdesc{font-size:.78rem;color:var(--mut);line-height:1.45}.tuning-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.55rem;margin:.9rem 0}.tuning-card{background:var(--bg3);border:1px solid var(--brd2);border-radius:8px;padding:.65rem .85rem}.tuning-card .tuname{font-family:Playfair Display,serif;color:var(--acc);font-size:.92rem;font-weight:700;margin-bottom:.18rem}.tuning-card .tunotes{font-family:DM Sans,sans-serif;color:var(--txt);font-size:.85rem;letter-spacing:.06em;margin-bottom:.2rem}.tuning-card .tudesc{font-size:.74rem;color:var(--mut);line-height:1.4}.qfinder{display:grid;grid-template-columns:1fr 1.2fr;gap:1.5rem;align-items:start}.ctrl-label{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);font-weight:600;margin-bottom:.4rem}.key-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.3rem;margin-bottom:1rem}.key-btn{background:var(--bg3);border:1px solid var(--brd);border-radius:7px;padding:.4rem .2rem;text-align:center;cursor:pointer;color:var(--txt);font-size:.82rem;font-family:DM Sans,sans-serif;font-weight:500;transition:all .15s}.key-btn:hover{border-color:var(--acc);color:var(--acc)}.key-btn.sel{background:#c8a96e2e;border-color:var(--acc);color:var(--acc)}.mode-row{display:flex;gap:.4rem;margin-bottom:1rem}.mode-btn{flex:1;padding:.45rem;border:1px solid var(--brd);border-radius:7px;background:var(--bg3);color:var(--mut);cursor:pointer;font-size:.85rem;font-family:DM Sans,sans-serif;font-weight:500;transition:all .15s}.mode-btn.sel{background:#c8a96e2e;border-color:var(--acc);color:var(--acc)}.qresult{background:var(--bg3);border:1px solid var(--brd);border-radius:var(--rl);padding:1.2rem 1.3rem}.qr-title{font-family:Playfair Display,serif;font-size:1.5rem;color:#fff;margin-bottom:.2rem;line-height:1.1}.qr-sub{color:var(--mut);font-size:.83rem;margin-bottom:1rem}.qr-row{margin-bottom:.85rem}.qr-row-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mut);font-weight:600;margin-bottom:.3rem}.qr-pills{display:flex;flex-wrap:wrap;gap:.25rem}.qpill{padding:.22rem .55rem;border-radius:5px;font-size:.83rem;border:1px solid var(--brd);background:var(--bg4);color:var(--txt)}.qpill.root{background:#c8a96e26;border-color:#c8a96e66;color:var(--acc);font-weight:700}.qpill.rel{border-color:#7ec8a94d;color:var(--acc2)}.qpill.par{border-color:#8896c84d;color:var(--acc3)}.chord-7grid{display:grid;grid-template-columns:repeat(7,1fr);gap:.2rem}.c7cell{background:var(--bg4);border:1px solid var(--brd2);border-radius:5px;padding:.25rem .1rem;text-align:center;font-size:.75rem;color:var(--mut)}.c7cell.I{border-color:#c8a96e66;color:var(--acc);background:#c8a96e12}.c7cell.IV{border-color:#7ec8a94d;color:var(--acc2);background:#7ec8a90d}.c7cell.V{border-color:#8896c84d;color:var(--acc3);background:#8896c80d}.cdeg{font-size:.6rem;color:var(--mut);margin-top:1px}.capo-tool{display:grid;grid-template-columns:1fr 1.3fr;gap:1.5rem;align-items:start}.slider-hdr{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.4rem}.slider-val{font-family:Playfair Display,serif;font-size:1.25rem;color:var(--acc);font-weight:700}input[type=range]{width:100%;accent-color:var(--acc);cursor:pointer;margin-bottom:1rem}.capo-res{background:var(--bg3);border:1px solid var(--brd);border-radius:var(--rl);padding:1.2rem 1.3rem}.capo-res h3{font-family:Playfair Display,serif;font-size:1.2rem;color:#fff;margin-bottom:.25rem}.capo-res p{color:var(--mut);font-size:.83rem;margin-bottom:.85rem}.capo-tbl{width:100%;border-collapse:collapse}.capo-tbl th{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mut);font-weight:600;padding:.35rem .4rem;border-bottom:1px solid var(--brd);text-align:left}.capo-tbl td{padding:.35rem .4rem;font-size:.85rem;border-bottom:1px solid var(--brd2);color:var(--mut)}.capo-tbl td:first-child{color:#fff;font-weight:600}.capo-tbl td:last-child{color:var(--acc)}.play-banner{background:var(--bg3);border:1px solid var(--brd);border-radius:var(--rl);padding:1.4rem 1.6rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin-top:1.5rem}.play-banner h3{font-family:Playfair Display,serif;font-size:1.15rem;color:#fff;margin-bottom:.3rem}.play-banner p{color:var(--mut);font-size:.85rem;max-width:480px}.btn-play{display:inline-flex;align-items:center;gap:.5rem;white-space:nowrap;background:var(--acc);color:#0a0a0f;padding:.7rem 1.4rem;border-radius:50px;font-weight:700;font-size:.85rem;text-decoration:none;transition:transform .18s}.btn-play:hover{transform:translateY(-2px)}.stbl{width:100%;border-collapse:collapse;margin:.85rem 0}.stbl th{background:var(--bg3);color:var(--acc);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;padding:.5rem .8rem;text-align:left;font-weight:600;border-bottom:1px solid var(--brd)}.stbl td{padding:.45rem .8rem;color:var(--mut);font-size:.85rem;border-bottom:1px solid var(--brd2)}.stbl td:first-child{color:#fff;font-weight:600}.stbl tr:hover td{background:#c8a96e08}.badge{display:inline-block;font-size:.7rem;padding:.1rem .45rem;border-radius:50px;font-weight:600}.bs{background:#7ec8a91f;color:var(--acc2);border:1px solid rgba(126,200,169,.25)}.bf{background:#8896c81f;color:var(--acc3);border:1px solid rgba(136,150,200,.25)}footer{background:var(--bg2);border-top:1px solid var(--brd);padding:1.75rem 1.5rem;text-align:center}.footer-brand{font-family:Playfair Display,serif;font-size:1.15rem;color:var(--acc);margin-bottom:.5rem}footer p{color:var(--mut);font-size:.82rem;margin-bottom:.3rem}footer a{color:var(--mut);text-decoration:none}footer a:hover{color:var(--acc)}.footer-links{display:flex;gap:1.4rem;justify-content:center;margin:.75rem 0;flex-wrap:wrap}.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:36px;height:36px;gap:5px;background:none;border:none;cursor:pointer;padding:4px;border-radius:8px}.nav-toggle span{display:block;width:20px;height:2px;background:var(--mut);border-radius:2px;transition:transform .25s,opacity .25s,background .2s}.nav-toggle:hover span{background:var(--acc)}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.lang-switch{display:flex;align-items:center;gap:.4rem;text-decoration:none;color:var(--mut);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;font-weight:500;padding:.35rem .7rem;border-radius:50px;border:1px solid var(--brd);transition:color .2s,background .2s,border-color .2s;margin-right:.5rem}.lang-switch:hover{color:var(--acc);border-color:var(--acc);background:#c8a96e0d}.lang-switch .flag{font-size:1.05rem;line-height:1;filter:saturate(1.1)}.nav-actions{display:flex;align-items:center;gap:.4rem}@media(max-width:768px){.nav-toggle{display:flex}.nav-links{display:none;position:absolute;top:56px;left:0;right:0;background:#0a0a0ffa;backdrop-filter:blur(16px);border-bottom:1px solid var(--brd);flex-direction:column;padding:.5rem 1rem 1rem;gap:.15rem;z-index:99}.nav-links.open{display:flex}.nav-links li{width:100%}.nav-links a{display:block;padding:.65rem 1rem;border-radius:8px;font-size:.85rem}section{padding:1.5rem 1rem}.page-header{padding:2rem 1rem 1rem}.qfinder,.capo-tool{grid-template-columns:1fr}.play-banner{flex-direction:column}.key-grid,.chord-7grid{grid-template-columns:repeat(4,1fr)}.lang-switch{padding:.3rem .55rem;font-size:.72rem}}.theme-toggle-wrapper{padding:.75rem 1.5rem 0;display:flex;justify-content:flex-end}.theme-toggle-btn{background:transparent;border:1px solid var(--brd);color:var(--mut);padding:.4rem .95rem;border-radius:50px;font-family:DM Sans,sans-serif;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;font-weight:500;cursor:pointer;transition:color .2s,border-color .2s,background .2s;display:inline-flex;align-items:center;gap:.4rem}.theme-toggle-btn:hover{color:var(--acc);border-color:var(--acc);background:#c8a96e0f}.theme-toggle-btn .theme-icon{font-size:.95rem}html.light-mode{--bg:#faf7f2;--bg2:#ffffff;--bg3:#f3ede2;--bg4:#e8dfce;--txt:#2a241b;--mut:#6b6356;--brd:rgba(200,169,110,.35);--brd2:rgba(200,169,110,.15)}html.light-mode body{background:var(--bg);color:var(--txt)}html.light-mode nav{background:#faf7f2f5;border-bottom:1px solid var(--brd)}html.light-mode .page-header h1,html.light-mode .sec-title,html.light-mode .scale-key,html.light-mode .theory-block h3,html.light-mode .qr-title,html.light-mode .capo-res h3,html.light-mode .capo-tbl td:first-child,html.light-mode .play-banner h3,html.light-mode .stbl td:first-child,html.light-mode h1,html.light-mode h2,html.light-mode h3,html.light-mode h4{color:#1a1612}html.light-mode .staff-wrap,html.light-mode .scale-staff-mini{background:#f5ebd6}html.light-mode .staff-wrap svg line,html.light-mode .scale-staff-mini svg line{stroke:#3a2f1f}html.light-mode .staff-wrap svg text,html.light-mode .scale-staff-mini svg text{fill:#1a1612}html.light-mode .scale-card,html.light-mode .notation-card,html.light-mode .qfinder,html.light-mode .capo-tool,html.light-mode .play-banner,html.light-mode .theory-block{background:var(--bg2)}html.light-mode .key-btn,html.light-mode .mode-btn,html.light-mode .app-nav-btn,html.light-mode .qpill,html.light-mode .npill,html.light-mode .tempo-card,html.light-mode .tuning-card{background:var(--bg3);color:var(--txt);border-color:var(--brd)}html.light-mode .key-btn.active,html.light-mode .mode-btn.active,html.light-mode .qpill.active,html.light-mode .npill.active{background:var(--acc);color:#fffaf0;border-color:var(--acc)}html.light-mode .key-btn:hover,html.light-mode .mode-btn:hover{background:#c8a96e26}html.light-mode .btn-play,html.light-mode .play-btn{background:var(--acc);color:#fffaf0}html.light-mode .capo-tbl,html.light-mode .stbl{background:var(--bg2)}html.light-mode .capo-tbl td,html.light-mode .stbl td{border-color:var(--brd2)}html.light-mode .nav-links a:hover,html.light-mode .nav-links a.active{background:#c8a96e26}@media(max-width:760px){html.light-mode .nav-links{background:#faf7f2fa}}body,nav,.scale-card,.notation-card,.qfinder,.capo-tool,.play-banner,.theory-block,.theme-toggle-btn{transition:background .3s ease,color .3s ease,border-color .3s ease}