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minmax(220px,1fr)}}@media(max-width:980px){.app-shell{padding:.75rem;height:auto;overflow:visible}.workspace-grid{grid-template-columns:1fr;height:auto;min-height:unset}.reading-selector{padding-bottom:.125rem}.timeline-container{height:288px}.practice-grid{grid-template-columns:1fr}.practice-work{grid-template-rows:auto auto}}@media(max-width:720px){.app-shell{padding:.5rem}.app-header,.panel{border-radius:var(--radius-lg);padding:.875rem;animation-duration:var(--duration-fast)}.app-header-top{flex-direction:column;align-items:flex-start}.btn{width:100%;justify-content:center}.controls-row{gap:.375rem}.reading-tab{width:34px;height:34px;min-width:34px}.timeline-header{align-items:flex-start}.calibration-overlay{padding:.625rem}.calibration-card{border-radius:var(--radius-lg);padding:1rem}.calibration-dot{width:30px;height:30px}.calibration-dot-countdown{min-width:50px;height:30px;font-size:.9rem;transform:translate(-50%,calc(-50% - 42px))}}