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40px));padding:14px 16px;border:1px solid #dbe3d8;border-radius:10px;background:#fff;box-shadow:0 8px 28px #24352f20;font-size:12px;line-height:1.6}.help-content p{margin:0 0 10px}.help-content p:last-child{margin-bottom:0}.board-footer{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:3px 12px;padding:4px 10px;border-top:1px solid #e7e9e1;background:#fdfefb}.diagnostics{position:relative;color:#7b8576;font-size:10px}.diagnostics summary{cursor:pointer;padding:2px}.diagnostics-content{position:absolute;z-index:6;bottom:calc(100% + 8px);right:0;background:#fff;padding:14px;border:1px solid #dbe3d8;border-radius:10px;box-shadow:0 8px 28px #24352f20;width:min(380px,calc(100vw - 40px));max-height:45vh;overflow:auto;font-size:12px;line-height:1.6}.diagnostics p{margin:0 0 10px}@media(max-width:760px){.app{padding:8px;gap:6px;height:auto;min-height:100dvh}h1{font-size:21px}.board-topbar{gap:6px 8px}.room-panel{flex-basis:100%}.page-navigation{flex:1}.board-help{margin-left:auto}.page-navigation button,.room-panel button{min-height:32px}}@media(max-width:760px){.board-footer{position:relative}.diagnostics{position:static}.diagnostics-content{right:8px;bottom:calc(100% + 6px)}}