/* Added tools keep a reserved edge; the playing surface stays unobstructed. */
#play-app,#play-app .game-surface,.game-start{background-image:var(--surface-image,none),radial-gradient(ellipse at 50% 38%,var(--table-light),var(--table));background-size:var(--surface-size,auto),cover;background-repeat:var(--surface-repeat,repeat),no-repeat;background-blend-mode:var(--surface-blend,normal),normal}
#play-app[data-orientation=portrait] .table-tools{grid-template-columns:repeat(4,minmax(0,1fr)) 44px}
#play-app[data-orientation=portrait][data-hints=off] .table-tools{grid-template-columns:repeat(3,minmax(0,1fr)) 44px}
#play-app[data-orientation=landscape][data-controls=compact]{--controls-width:228px}
#play-app[data-orientation=landscape][data-controls=compact] .table-tools{grid-template-columns:repeat(3,minmax(0,1fr))}
#play-app[data-orientation=landscape][data-controls=compact] .table-tools button{flex-direction:column;gap:2px;font-size:10px}
#play-app[data-orientation=landscape][data-cramped=true] .play-header{top:env(safe-area-inset-top,0px)}
#play-app[data-orientation=landscape][data-cramped=true] .table-layouts{top:calc(44px + env(safe-area-inset-top,0px))}
#play-app[data-orientation=landscape][data-cramped=true] .table-tools{top:calc(88px + env(safe-area-inset-top,0px));gap:0}
.table-tools #sound-button{border:1px solid var(--line);border-radius:22px;margin-top:6px;justify-content:center}
#play-app[data-orientation=portrait] .table-tools #sound-button,#play-app[data-controls=short] .table-tools #sound-button,#play-app[data-controls=compact] .table-tools #sound-button{margin:0}
.table-popover,#play-app #sound-panel{position:absolute;z-index:51;inset:auto;top:calc(64px + env(safe-area-inset-top,0px) + var(--install-space,0px));right:calc(10px + env(safe-area-inset-right,0px));width:min(280px,calc(100% - 20px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px)));max-height:calc(var(--app-height,100dvh) - 74px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px) - var(--install-space,0px));overflow:auto;overscroll-behavior:contain;border:1px solid #b58a35;border-radius:14px;padding:12px;background:var(--paper);color:var(--ink);box-shadow:0 8px 24px #10231c24}
.popover-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}
.popover-heading h2{font:24px Georgia,serif;margin:0}
.popover-heading button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:22px;flex:none}
.table-popover p{font-size:13px;line-height:1.5;margin:10px 0;color:var(--muted)}
.next-hint{min-height:44px;width:100%;padding:9px 12px;border:0;border-radius:22px;background:var(--accent);color:var(--accent-text);font-size:13px;line-height:1.35}
#play-app.popover-open[data-orientation=landscape]{--board-right:var(--menu-board-right,300px);--board-bottom:0px}
#play-app.popover-open[data-orientation=portrait]{--board-top:var(--menu-board-top,294px);--board-bottom:0px}
#play-app.popover-open .table-layouts,#play-app.popover-open .table-tools,#play-app.popover-open .table-fit{visibility:hidden}
#play-app.dialog-open #sound-panel,#play-app.dialog-open #hint-panel{visibility:hidden}
.defaults-form{display:grid;gap:14px;margin-top:18px}
.defaults-form label{display:grid;gap:7px;font-size:14px}
.defaults-form select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:8px;background:var(--paper);color:var(--ink)}
.defaults-form .dialog-actions{margin-top:6px}
.surface-label{z-index:2;line-height:1;opacity:.18;color:var(--watermark,var(--ink));text-align:center}
.surface-label span{margin-top:6px}
@media(prefers-reduced-motion:reduce){.table-popover{scroll-behavior:auto}}

/* Keep part of the board visible while the taller melody settings scroll. */
#play-app[data-orientation=portrait] #sound-panel{max-height:min(340px,calc((var(--app-height,100dvh) - var(--install-space,0px) - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px) - 74px)*.64))}

/* Full intrinsic logo bounds prevent edge clipping after a resize or zoom. */
.surface-label{width:max-content;max-width:none;right:auto;bottom:auto;transform:none}
#play-app[data-orientation=portrait] #hint-panel{max-height:min(340px,calc((var(--app-height,100dvh) - var(--install-space,0px) - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px) - 74px)*.64))}
#hint-status{color:var(--ink);margin-top:6px}
#hint-explanation strong{color:var(--ink)}
.hint-rules{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;width:100%;border:1px solid var(--line);border-radius:22px;background:transparent;color:var(--ink);font-size:13px;padding:8px 12px}

/* Small contextual help; the optional reading text expands only on request. */
#hint-panel{padding:8px 10px;width:min(280px,calc(100% - 20px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px)))}
#hint-panel .popover-heading h2{font-size:20px}
#hint-panel .popover-heading button{border:0;font-size:20px}
#hint-panel p{font-size:12px;line-height:1.45;margin:6px 0}
#hint-detail-copy{border-top:1px solid var(--line);margin-top:8px;padding-top:6px}
#hint-detail-copy h3{font-size:12px;line-height:1.4;margin:12px 0 4px}
#hint-panel .hint-actions{display:flex;align-items:center;justify-content:space-between;gap:6px;position:sticky;bottom:-8px;background:var(--paper);padding:6px 0 2px;margin-top:2px}
#hint-more{flex:none;padding:8px 0;min-height:44px;border:0;background:transparent;color:var(--muted);font-size:11px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
#hint-panel .next-hint{width:auto;min-height:34px;padding:7px 12px;font-size:12px;margin-left:auto;flex:none}
#hint-panel .hint-rules{font-size:12px}