[hidden]{display:none!important}.brand-link{text-decoration:none;color:inherit}.site-nav{display:flex;gap:10px;margin-bottom:22px;flex-wrap:wrap}.site-nav a{display:flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border:1px solid var(--control-line);border-radius:12px;color:var(--ink);text-decoration:none;font-weight:700;background:var(--surface)}.site-nav a.active{background:var(--accent-ink);color:var(--surface);border-color:var(--accent-ink)}.music-main{max-width:1100px}.music-heading{margin-bottom:18px}.music-heading p{color:var(--muted);line-height:1.6;margin:8px 0 0}.piano-modes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.piano-modes button,.rhyme-categories button{min-height:46px;border:1px solid var(--control-line);border-radius:12px;padding:10px 18px;background:var(--surface);color:var(--ink);font-weight:650}.piano-modes button[aria-pressed=true],.rhyme-categories button[aria-pressed=true]{background:var(--soft);color:var(--accent-ink);box-shadow:inset 0 0 0 2px var(--accent-ink)}.piano-panel{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 28px #23486e10}.piano-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.piano-toolbar label{display:flex;align-items:center;gap:8px;font-size:14px}.piano-toolbar select{min-width:0}.music-button{min-height:46px;border:1px solid var(--control-line);padding:10px 17px;border-radius:11px;background:var(--surface);color:var(--ink);font-weight:650}.primary-action{background:var(--yellow);color:#513b0f;border-color:var(--yellow)}.piano-message{padding:18px 0 12px;min-height:62px;line-height:1.55;color:var(--accent-ink);font-weight:650}.score{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;padding:12px;margin-bottom:14px;background:var(--soft);border-radius:12px;min-height:66px}.score-note{display:grid;place-items:center;min-width:34px;min-height:42px;border-radius:8px;font-size:22px;color:var(--muted)}.score-note.current{background:var(--yellow);color:#513b0f;font-weight:800}.score-note.done{color:var(--accent-ink)}.keyboard-scroll{overflow-x:auto;padding:6px 0 12px;overscroll-behavior-x:contain}.keyboard{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:6px;background:#172637;padding:12px;border-radius:16px;min-width:352px;touch-action:none;user-select:none;-webkit-user-select:none}.piano-key{position:relative;height:245px;border:0;border-bottom:7px solid #c8d0da;background:linear-gradient(#fff,#f3f6fa);border-radius:8px 8px 13px 13px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:12px 2px 18px;gap:9px;color:#203348;touch-action:none;-webkit-tap-highlight-color:transparent}.piano-key .sol{font-size:22px;font-weight:800}.piano-key .degree{width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:var(--note-color);color:#fff;font-weight:800;font-size:20px}.piano-key .letter{font-size:13px;color:#6a7786}.piano-key.pressed{background:#ffe8a2;border-bottom-width:3px;transform:translateY(4px)}.piano-key.expected{box-shadow:inset 0 0 0 4px var(--note-color);background:#fff4c9}.piano-key.demo-active{background:#ffdb72}.keyboard-tip{font-size:14px;line-height:1.5;color:var(--muted);margin:7px 0 0}.piano-bottom{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:15px}.piano-bottom span{font-size:14px;color:var(--muted)}.rhyme-categories{display:flex;gap:8px;overflow:auto;padding:0 0 16px}.rhyme-categories button{white-space:nowrap}.rhyme-layout{display:grid;grid-template-columns:350px 1fr;gap:22px;align-items:start}.rhyme-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.rhyme-card{padding:0;background:var(--surface);border:1px solid var(--card-line);border-radius:14px;overflow:hidden;text-align:left;color:var(--ink)}.rhyme-card[aria-pressed=true]{outline:3px solid var(--accent-ink);outline-offset:0}.rhyme-card img{display:block;width:100%;aspect-ratio:1;object-fit:cover}.rhyme-card strong{display:block;font-size:17px;padding:11px 10px;line-height:1.45}.rhyme-player{background:var(--surface);padding:24px;border-radius:20px;border:1px solid var(--line)}.rhyme-player-top{display:flex;gap:18px;align-items:center;margin-bottom:19px}.rhyme-player-top img{width:110px;height:110px;object-fit:cover;border-radius:14px}.rhyme-player-top h2{margin:8px 0;font-size:26px;line-height:1.4}.rhyme-label{font-size:14px;color:var(--muted)}.rhyme-lyrics{display:grid;gap:9px;margin-bottom:20px}.lyric-line{border:1px solid transparent;background:var(--soft);padding:13px 16px;color:var(--ink);text-align:left;border-radius:10px;font-size:20px;line-height:1.55;min-height:54px}.lyric-line.current{border-color:var(--accent-ink);background:#ffebaa;color:#513b0f;font-weight:700}.rhyme-controls{display:flex;gap:9px;flex-wrap:wrap}.rhyme-options{margin:18px 0 0}.rhyme-options label{display:flex;align-items:center;gap:10px;font-size:14px}.rhyme-options select{min-width:0;font-size:14px}.rhyme-status{font-size:15px;line-height:1.7;color:var(--accent-ink);min-height:26px;margin-bottom:0}.rhyme-follow{margin-top:18px;border-radius:13px;background:var(--soft);padding:16px}.rhyme-follow .record-buttons{justify-content:flex-start}.rhyme-follow p{font-size:14px;line-height:1.6}.rhyme-follow small{font-size:13px;color:var(--muted);line-height:1.6}.rhyme-follow button{background:var(--surface);color:var(--ink);border-color:var(--control-line)}#musicToast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent-ink);color:var(--surface);padding:12px 18px;border-radius:12px;max-width:90vw;z-index:100;font-size:15px}.music-main footer{font-size:14px}.music-main footer a{color:inherit}:root[data-theme=dark] .lyric-line.current{background:#5b4a20;color:#ffe9a4}:root[data-theme=dark] .piano-key{color:#203348}
@media(max-width:850px){.rhyme-layout{grid-template-columns:270px 1fr}.rhyme-player{padding:18px}.rhyme-player-top{gap:12px}.rhyme-player-top img{width:84px;height:84px}.rhyme-player-top h2{font-size:23px}.piano-panel{padding:18px}.piano-key{height:210px}}
@media(max-width:650px){.music-main{padding:20px 12px}.site-nav{gap:7px}.site-nav a{padding:10px 16px;flex:1}.music-heading h1{font-size:27px}.piano-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.piano-modes button{padding:10px 6px;font-size:15px}.piano-panel{padding:14px 10px}.piano-toolbar{gap:9px}.piano-toolbar label:first-child{flex:1 1 100%}.piano-toolbar label:first-child select{flex:1}.piano-toolbar select{padding:9px;font-size:15px}.piano-toolbar .music-button{padding:9px 12px;font-size:15px}.keyboard{gap:4px;padding:8px}.piano-key{height:180px;padding:9px 1px 13px;gap:8px}.piano-key .sol{font-size:16px}.piano-key .degree{width:29px;height:29px;font-size:17px}.piano-key .letter{display:none}.piano-message{font-size:16px}.score{gap:4px;padding:8px}.score-note{min-width:30px;font-size:20px}.rhyme-layout{grid-template-columns:1fr;gap:18px}.rhyme-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.rhyme-card strong{font-size:15px;padding:9px 7px}.rhyme-player{padding:18px 14px}.rhyme-player-top img{width:95px;height:95px}.lyric-line{font-size:19px;padding:12px}.rhyme-controls{display:grid;grid-template-columns:1fr 1fr}.rhyme-controls button{padding:10px 5px}.rhyme-categories button{font-size:14px;padding:10px 13px}.music-main footer{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.piano-key{transform:none!important}}