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solid #eeebef;border-radius:0 0 14px 14px;padding:12px;gap:10px;grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch}.lane,.lane[data-status]{min-height:240px;background:#fcfbfd;border:1px solid #ebe8ee;padding:8px;border-radius:12px}.lane-head{padding:0 1px 8px}.lane-title{gap:5px}.lane-title .circle{width:5px;height:5px;flex:0 0 5px;background:#34313a}.lane-quick-add{background:transparent;flex:none}.count{padding:1px 4px;color:#645e6d}.lane-items{gap:8px;min-height:84px}.study-card{--paper:#dce7fc;--ink:#2b4d89;background:var(--paper);border-color:transparent;border-radius:10px;box-shadow:none}.card-slot:nth-child(3n+2) .study-card{--paper:#e9e0fa;--ink:#563987}.card-slot:nth-child(3n+3) .study-card{--paper:#fae1e2;--ink:#883f50}[data-status=studying] .card-slot:nth-child(odd) .study-card{--paper:#fae8d3;--ink:#7b471a}[data-status=studying] .card-slot:nth-child(2n) .study-card{--paper:#d9f1e7;--ink:#245b47}[data-status=learning] .card-slot:nth-child(3n+1) 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