/* Only the playback capsule has a surface; the floating header stays open. */
:root{--transport-height:58px;--transport-radius:calc(var(--transport-height)/2)}
.topbar,.library-hidden .topbar,.edit-mode.editor-hidden .topbar{position:absolute;inset:0 var(--editor-space,0px) auto 0;height:90px;min-height:0;padding:18px 20px 12px;display:flex;align-items:center;justify-content:center;gap:10px;pointer-events:none;background:none;border:0;box-shadow:none;backdrop-filter:none}
.topbar .transport{flex:1 1 auto;min-width:0;max-width:850px;width:auto;height:var(--transport-height);min-height:var(--transport-height);border:1px solid #e2e2e2;border-radius:var(--transport-radius);background:#ffffffed;box-shadow:0 5px 22px #00000008,0 1px 3px #00000005;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);pointer-events:auto}
.topbar #show-library.sidebar-peek,.topbar #mobile-tools{position:static;inset:auto;flex:0 0 var(--transport-height);width:var(--transport-height);height:var(--transport-height);min-width:var(--transport-height);min-height:var(--transport-height);padding:16px;place-items:center;border:1px solid #e2e2e2;border-radius:var(--transport-radius);background:#ffffffed;box-shadow:0 5px 22px #00000008,0 1px 3px #00000005;backdrop-filter:blur(16px);pointer-events:auto}
.topbar #show-library.sidebar-peek svg,.topbar #mobile-tools svg{width:22px;height:22px}
.topbar #mobile-tools svg{transform:none}
.topbar #show-library.sidebar-peek:hover,.topbar #mobile-tools:hover{background:#f4f4f4;border-color:#d3d3d3}
#score-scroll,.edit-mode #score-scroll{padding-top:12px;scroll-padding-top:90px}
#score-scroll>.message{position:sticky;top:90px;left:0;z-index:6;display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;margin:0 0 24px;padding:11px 54px 11px 16px;max-height:none;overflow:visible;border:1px solid #e7e7e7;border-radius:10px;background:#f8f8f8;color:#4b4b4b;box-shadow:none;line-height:1.6}
.message-text{flex:1 1 220px;min-width:0;overflow-wrap:anywhere}
.message-actions{display:flex;align-items:center;flex-wrap:wrap;gap:4px}
#score-scroll>.message button{margin:0;min-height:32px;padding:5px 9px;border:0;border-radius:6px;background:transparent;box-shadow:none;color:#333;font-weight:500}
#score-scroll>.message button:hover{background:#eaeaea;box-shadow:none;color:#111}
#score-scroll>.message button:active{transform:scale(.97);box-shadow:none}
#score-scroll>.message .notice-close{position:absolute;right:10px;top:50%;transform:translateY(-50%);display:grid;place-items:center;place-content:center;width:32px;min-width:32px;max-width:32px;height:32px;min-height:32px;max-height:32px;padding:8px;border:0;border-radius:6px;background:transparent;box-shadow:none;color:#666;line-height:0}
#score-scroll>.message .notice-close:hover{background:#eaeaea;color:#111;box-shadow:none}
#score-scroll>.message .notice-close:active{transform:translateY(-50%) scale(.94)}
.notice-close svg{display:block;flex:none;width:16px;height:16px;margin:0;pointer-events:none}
#toast{display:flex;align-items:center;gap:12px;padding:8px 10px 8px 14px;border-radius:8px;box-shadow:none;line-height:1.5}
#toast>span{min-width:0;overflow-wrap:anywhere}
#toast .notice-close{display:grid;place-items:center;place-content:center;flex:0 0 32px;width:32px;min-width:32px;max-width:32px;height:32px;min-height:32px;max-height:32px;padding:8px;border:0;border-radius:6px;background:transparent;box-shadow:none;color:inherit;line-height:0}
#toast .notice-close:hover{background:#ffffff1c;box-shadow:none}
#score-paper,.edit-mode #score-paper{padding-top:100px}
#volume-popover{width:205px;gap:13px}
#section-nav{padding:16px 0 14px}
@media screen and (min-width:761px){
 .topbar #show-library.sidebar-peek{display:none}
 .library-hidden .topbar #show-library.sidebar-peek{display:inline-grid}
 .topbar #mobile-tools{display:inline-grid}
}
@media screen and (max-width:760px){
 :root{--transport-height:46px}
 .topbar,.library-hidden .topbar,.edit-mode.editor-hidden .topbar{right:0;height:74px;padding:14px 8px;gap:6px}
 .topbar .transport{gap:4px;padding:5px 6px}
 .topbar #show-library.sidebar-peek,.topbar #mobile-tools{padding:12px}
 .topbar #show-library.sidebar-peek{display:inline-grid}
 .topbar #mobile-tools{display:inline-grid}
 .topbar .transport .play-button{width:30px;height:30px;min-width:30px;min-height:30px}
 .topbar .transport #row-position{min-width:29px;font-size:11px;gap:2px}
 .topbar .transport #row-position span{font-size:9px}
 .topbar .transport #volume-button,.topbar .transport #scroll-toggle{width:30px;height:34px;min-width:30px;min-height:34px;padding:7px}
 .topbar .progress-wrap{min-width:22px}
 #score-scroll,.edit-mode #score-scroll{padding-top:3px;scroll-padding-top:74px}
 #score-scroll>.message{top:74px;padding:10px 50px 10px 13px;gap:6px;border-radius:10px}
 #score-paper,.edit-mode #score-paper{padding-top:84px}
 #volume-popover{width:205px;max-width:calc(100vw - 24px)}
}
@media screen and (max-width:360px){
 :root{--transport-height:44px}
 .topbar,.library-hidden .topbar,.edit-mode.editor-hidden .topbar{padding-left:6px;padding-right:6px;gap:4px}
 .topbar .transport{gap:3px;padding-left:5px;padding-right:5px}
 .topbar .transport .play-button{width:28px;height:28px;min-width:28px;min-height:28px}
 .topbar .transport #volume-button,.topbar .transport #scroll-toggle{width:28px;min-width:28px;padding:6px}
 .topbar .transport #row-position{min-width:27px;font-size:10px}
}
@media print{#score-paper,.edit-mode #score-paper{padding-top:46px}#score-scroll,.edit-mode #score-scroll{scroll-padding-top:0}}