.marble-dialog{position:fixed;inset:0;width:auto;max-width:none;height:100dvh;max-height:none;margin:0;padding:12px;border:0;border-radius:0;background:#fffaf3;overflow:hidden;box-sizing:border-box}.marble-dialog[open]{display:flex;flex-direction:column;gap:8px}.marble-dialog *{box-sizing:border-box}.marble-dialog .learning-header{flex-shrink:0}.marble-dialog .learning-header h2{font-size:30px;margin:0}.marble-dialog button{box-shadow:none;touch-action:manipulation;min-height:44px}.marble-workspace{flex:1;min-height:0;display:flex;gap:12px}.marble-board-space{min-width:0;min-height:0;flex:1;display:flex;justify-content:center;align-items:center;overflow:hidden;background:#e9f3ee;border:1px solid #c5ddda;border-radius:18px}.marble-board{display:block;width:100%;height:100%;touch-action:none;user-select:none}.marble-board [data-marble-cell]:focus-visible{outline:none}.marble-board [data-marble-cell]:focus-visible>rect{stroke:#367b8f;stroke-width:7}.marble-toolbox{width:248px;flex-shrink:0;display:flex;flex-direction:column;gap:6px}.marble-toolbox label{font-size:12px;font-weight:700}.marble-toolbox select{font-size:14px;min-height:38px;height:38px;padding:5px;margin:0;width:100%}.marble-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;min-height:0}.marble-tools button{padding:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-width:0;border-radius:12px}.marble-tools button span{font-size:27px;line-height:1}.marble-tools small{font-size:11px;white-space:normal}.marble-tools [aria-pressed=true]{background:#fff3d5;border:2px solid #b09c61}.marble-status{font-size:13px;line-height:1.3;margin:0;min-height:34px;flex-shrink:0}.marble-actions{display:flex;gap:8px;flex-shrink:0}.marble-actions button{flex:1;min-width:0;padding:8px;font-size:14px;white-space:normal}.child-marbles-tile{background:#e8effa}.marble-overlay{position:absolute;inset:12px;z-index:8;margin:auto;max-width:650px;max-height:550px;padding:16px;display:flex;flex-direction:column;gap:10px;border:2px solid #9ccddd;border-radius:20px;background:#fffaf3;box-shadow:0 0 0 100vmax #173d4b77;overflow:hidden}.marble-overlay h3{margin:0;font-size:28px;flex-shrink:0}.marble-overlay-body{min-height:0;flex:1;display:flex;flex-direction:column;gap:8px;justify-content:center}.marble-overlay-body label{font-size:13px;font-weight:700}.marble-overlay-body input,.marble-overlay-body select{min-width:0;width:100%;min-height:40px;height:40px;padding:5px 10px;font-size:16px;margin:0}.marble-overlay-body p{margin:0;font-size:13px}.marble-overlay>[data-close]{flex-shrink:0}.marble-course-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:8px}.marble-course-list button{min-height:0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px;overflow:hidden}.marble-course-list svg{flex:1;min-height:0;width:100%;height:100%}.marble-course-list span{font-size:13px;overflow-wrap:anywhere}.marble-course-pages{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-shrink:0}@media(orientation:portrait){.marble-workspace{flex-direction:column;gap:8px}.marble-toolbox{width:100%;display:grid;grid-template-columns:auto 1fr;gap:5px 8px}.marble-toolbox label{align-self:center}.marble-tools{grid-column:1/-1;grid-template-columns:repeat(5,minmax(0,1fr))}.marble-tools button{min-height:44px}.marble-tools button span{font-size:23px}.marble-tools small{font-size:10px}.marble-status{min-height:32px;font-size:12px}.marble-actions{gap:5px}.marble-actions button{font-size:12px;padding:5px}.marble-dialog .learning-header h2{font-size:26px}}@media(max-height:550px) and (orientation:landscape){.marble-dialog{padding:8px;gap:5px}.marble-dialog .learning-header h2{font-size:25px}.marble-dialog .learning-header button{min-height:36px;padding:5px 12px;font-size:12px}.marble-toolbox{width:220px;gap:4px}.marble-toolbox label{display:none}.marble-toolbox select{height:34px;min-height:34px;font-size:12px}.marble-tools{gap:4px}.marble-tools button{min-height:44px;padding:3px}.marble-tools button span{font-size:23px}.marble-tools small{font-size:10px}.marble-status{min-height:18px;font-size:12px}.marble-actions button{min-height:36px;padding:5px;font-size:12px}.marble-overlay{padding:10px;gap:5px}.marble-overlay h3{font-size:24px}.marble-overlay-body{gap:4px}.marble-overlay-body input,.marble-overlay-body select{height:34px;min-height:34px}.marble-overlay button{min-height:36px;padding:5px}.marble-course-list{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:1fr}}
.marble-local-note{font-size:12px;flex-shrink:0}