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var(--piano);background:var(--piano-bg);color:var(--piano-text)}.seg button.drums[aria-pressed=true]{border:2px solid var(--drums);background:var(--drums-bg);color:var(--drums-text)}.seg button.vocals[aria-pressed=true]{border:2px solid var(--vocals);background:var(--vocals-bg);color:var(--vocals-text)}.tempo{border:1px solid var(--line);background:var(--card);border-radius:14px;align-items:center;gap:10px;padding:10px;display:flex}.tempo-step{border:1px solid var(--field);background:var(--card);width:48px;height:48px;color:var(--ink);cursor:pointer;border-radius:10px;flex:none;font-size:22px}.tempo-mid{flex-direction:column;flex:1;align-items:center;min-width:0;display:flex}.log-body .tempo-mid input{text-align:center;width:100%;max-width:140px;min-height:40px;font-family:var(--mono);appearance:textfield;background:0 0;border:0;padding:0;font-size:30px;line-height:1.1}.tempo-mid input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.tempo-mid input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.tempo-mid span{color:var(--muted);font-size:12px}.seg.presets button{border-color:var(--line);min-height:44px;font-size:14px;font-weight:500}.seg.results button{min-height:64px;color:var(--ink);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:8px 6px;font-size:14px;font-weight:400;display:flex}.seg.results button[aria-pressed=true]{border:2px solid var(--ink);background:var(--ink);color:#fff}.r-label{font-weight:600}.r-hint{color:var(--muted);font-size:12px}.seg.results button[aria-pressed=true] .r-hint{color:#d5d8de}.check-row{align-items:center;gap:10px;min-height:44px;font-size:14px;display:flex}.check-row input{width:20px;height:20px;accent-color:var(--ink);margin:0}.save-bar{padding:12px 18px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--card);flex-direction:column;gap:8px;display:flex;position:sticky;bottom:0}.btn-save{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:12px;width:100%;min-height:52px;font-size:16px;font-weight:600}.btn-save:disabled{background:var(--line);color:var(--muted);cursor:not-allowed}.saved{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:32px 24px;display:flex}.saved-badge{background:var(--ink);color:#fff;border-radius:32px;justify-content:center;align-items:center;width:64px;height:64px;display:flex}.saved h2{font-family:var(--head);margin:0;font-size:24px;font-weight:700}.saved p{color:var(--ink-2);margin:0}.saved-actions{flex-direction:column;gap:10px;width:100%;margin-top:12px;display:flex}.saved-actions .btn{border-radius:12px;min-height:52px;font-size:16px}.centered{justify-content:center;align-items:center;min-height:100dvh;padding:24px 16px;display:flex}.centered-card{flex-direction:column;gap:18px;width:100%;max-width:360px;padding:28px 24px;display:flex}@media (max-width:640px){.site-header-inner{padding:12px 16px}.nav-link{padding:10px 8px}.nav-log{margin-left:4px;padding:0 14px}.page{gap:36px;padding:24px 16px 56px}.page-title{font-size:28px}.song-h1{font-size:32px}}.song-title-row{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.icon-link{width:36px;height:36px;color:var(--muted);border-radius:8px;flex:none;place-items:center;margin:-6px -8px 0 0;display:grid}.icon-link:hover{background:var(--bg);color:var(--ink)}.song-actions{flex-wrap:wrap;gap:10px;display:flex}.practice{flex-direction:column;height:100dvh;display:flex}.practice-bar{background:var(--card);border-bottom:1px solid var(--line);flex:none;align-items:center;gap:8px;height:56px;padding:0 12px 0 8px;display:flex}.practice-back{width:40px;height:40px;color:var(--muted);border-radius:8px;flex:none;place-items:center;display:grid}.practice-back:hover{background:var(--bg);color:var(--ink)}.song-switch{flex:1;min-width:0;position:relative}.song-switch summary{border-radius:8px;align-items:center;gap:10px;width:fit-content;max-width:100%;min-height:40px;padding:0 8px;display:flex}.song-switch summary:hover{background:var(--bg)}.song-switch summary svg{color:var(--muted);flex:none}.practice-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-family:var(--head);font-size:18px;font-weight:700;overflow:hidden}.practice-meta{white-space:nowrap;color:var(--muted)}.song-switch-menu{z-index:10;flex-direction:column;min-width:280px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 8px 24px #14161b1f}.song-switch-menu a{color:var(--ink);border-radius:8px;padding:10px 12px;text-decoration:none}.song-switch-menu a:hover,.song-switch-menu a[aria-current=page]{background:var(--bg)}.song-switch-menu a[aria-current=page]{font-weight:600}.practice-panes{background:var(--line);flex:1;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:1px;min-height:0;display:grid}.pane{background:var(--bg);flex-direction:column;min-height:0;display:flex}.pane-head{background:var(--card);border-bottom:1px solid var(--line);flex:none;align-items:center;gap:10px;min-height:44px;padding:6px 14px;display:flex}.pane-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--ink-2);flex:1;font-size:14px;overflow:hidden}.pane-open{flex:none;align-items:center;gap:4px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.pane-body{background:var(--card);flex:1;min-height:0;position:relative}.pane-scroll{flex-direction:column;flex:1;gap:14px;min-height:0;padding:14px;display:flex;overflow-y:auto}.pane-video{aspect-ratio:16/9;background:var(--card);border:1px solid var(--line);border-radius:10px;flex:none;position:relative;overflow:hidden}.pane-body iframe,.pane-video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.pane-note{text-align:center;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;font-size:14px;display:flex;position:absolute;inset:0}.pane-note p{max-width:340px;margin:0}.link-row.compact{justify-content:space-between;align-items:center;padding:12px 16px}.link-row.compact>svg{color:var(--muted);flex:none}@media (max-width:899px){.practice{height:auto;min-height:100dvh}.practice-bar{z-index:5;position:sticky;top:0}.practice-meta{display:none}.practice-panes{flex-direction:column;display:flex}.pane.piano .pane-body{flex:none;height:80dvh}.pane-scroll{overflow:visible}}