:root{--ink: #1a1a1a;--muted: #6b6b6b;--card: #fafaf7;--warm: #f4f1ea;--rule: #d9d9d9;--page: #ffffff;--roman-I: #c8102e;--roman-IV: #1d3557;--roman-V: #e09f3e;--roman-V7: #8b4513;--roman-vi: #2a9d8f;--radius: 12px;--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .04)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--page);color:var(--ink);-webkit-font-smoothing:antialiased}a{color:inherit}.site{min-height:100%;display:flex;flex-direction:column}.site-header{display:flex;align-items:center;gap:24px;padding:16px 24px;border-bottom:1px solid var(--rule)}.brand{font-weight:700;font-size:18px;letter-spacing:-.01em;text-decoration:none;color:inherit}.site-header nav{display:flex;gap:4px;margin-left:auto}.site-header nav a{padding:6px 14px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:500;color:var(--muted);transition:background .15s ease}.site-header nav a:hover,.site-header nav a.active{background:var(--warm);color:var(--ink)}main.wrap{max-width:1200px;width:100%;margin:0 auto;padding:24px;flex:1}footer.site-footer{margin-top:auto;padding:24px;border-top:1px solid var(--rule);color:var(--muted);font-size:13px;text-align:center}.page-head{margin-bottom:24px}.page-head h1{margin:0 0 6px;font-size:clamp(28px,4vw,36px);font-weight:700;letter-spacing:-.02em}.page-head p{margin:0;color:var(--muted);font-size:14px}.songs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.song-card{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:transform .1s ease,box-shadow .15s ease}.song-card:hover{transform:translateY(-2px);box-shadow:0 2px 4px #0000000f,0 8px 20px #0000000f}.song-card .title{font-size:18px;font-weight:700;letter-spacing:-.01em}.song-card .artist{color:var(--muted);font-size:13px}.song-card .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:8px}.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;padding:3px 8px;border-radius:999px;background:var(--warm);color:var(--muted);text-transform:uppercase}.badge.key{color:#fff}.badge.key[data-key=F],.badge.key[data-key=Dm]{background:var(--roman-I)}.badge.key[data-key=C],.badge.key[data-key=Am]{background:var(--roman-IV)}.badge.key[data-key=G],.badge.key[data-key=Em]{background:var(--roman-V)}.badge.key[data-key=D],.badge.key[data-key=Bm]{background:var(--roman-V7)}.badge.key[data-key=A],.badge.key[data-key="F#m"]{background:var(--roman-vi)}.badge.key[data-key=E],.badge.key[data-key="C#m"]{background:#555}.empty-state{text-align:center;padding:64px 24px;color:var(--muted)}.message{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.message.error{background:#fdeaed;border:1px solid #f0bac4;color:#8b1224}.player{display:flex;flex-direction:column;gap:16px}.player-header{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.player-header h1{margin:0;font-size:clamp(24px,3.5vw,32px);font-weight:700;letter-spacing:-.02em}.player-header .artist{color:var(--muted);font-size:16px}.player-media{background:#000;border-radius:var(--radius);overflow:hidden}.player-media video,.player-media audio{width:100%;display:block}.player-media video{max-height:480px}.player-media audio{background:var(--card);padding:16px}.player-transport{display:flex;align-items:center;gap:12px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-weight:600;font-size:14px;padding:10px 20px;border-radius:8px;border:1.5px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;transition:transform .08s ease}.btn:hover{transform:translateY(-1px)}.btn.secondary{background:transparent;color:var(--ink)}.btn.secondary:hover{background:var(--warm)}svg.tab{width:100%;height:auto;display:block;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius)}.tab-stack>svg.tab:first-child:not(:last-child){border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:none}.tab-stack>svg.tab:last-child:not(:first-child){border-top-left-radius:0;border-top-right-radius:0;border-top:none;margin-top:-12px}.time-readout{font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted);font-size:14px}.chord-wrap{max-width:1280px;margin:0 auto}.chord-wrap .page-head p{color:var(--muted)}.key-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 8px}.key-tabs button{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-weight:600;font-size:18px;padding:10px 20px;min-width:56px;border-radius:999px;border:1.5px solid var(--rule);background:var(--card);color:var(--ink);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.key-tabs button:hover{border-color:var(--ink)}.key-tabs button[aria-current=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.key-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:24px 0 12px;flex-wrap:wrap}.key-heading h2{margin:0;font-weight:700;font-size:clamp(28px,5vw,40px);letter-spacing:-.02em}.key-heading .progression{color:var(--muted);font-size:14px;font-weight:600;letter-spacing:.04em}.chord-grid{display:grid;gap:14px;grid-template-columns:1fr}@media(min-width:560px){.chord-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:820px){.chord-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:1120px){.chord-grid{grid-template-columns:repeat(5,1fr)}}.chord-card{position:relative;background:var(--card);border-radius:var(--radius);border:1px solid var(--rule);box-shadow:var(--shadow);padding:20px 18px 18px;display:flex;flex-direction:column;align-items:center;overflow:hidden}.chord-card .accent{position:absolute;top:0;left:0;right:0;height:6px}.chord-card .roman{align-self:flex-start;font-weight:700;font-size:13px;letter-spacing:.08em;padding:4px 10px;border-radius:999px;color:#fff;margin-top:4px}.chord-card .chord-name{font-weight:700;font-size:44px;line-height:1;letter-spacing:-.02em;margin:12px 0 2px}.chord-card .chord-type{color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}.chord-card svg.diagram{display:block;width:100%;max-width:180px;height:auto;margin:2px 0 10px}.chord-card .notes{color:var(--muted);font-size:13px;letter-spacing:.04em;font-variant-numeric:tabular-nums}.roman-key{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-top:28px;padding-top:20px;border-top:1px solid var(--rule)}.roman-key .item{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted)}.roman-key .swatch{width:14px;height:14px;border-radius:4px;flex:none}.roman-key .label{color:var(--ink);font-weight:600}