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(max-width:850px){.grammar-material-heading{flex-direction:column;align-items:flex-start}.grammar-material-columns{display:none}.grammar-material-block{padding:12px}}.grammar-material-heading .grammar-material-actions{flex-wrap:wrap;flex-shrink:0;gap:7px;display:flex}.grammar-material-actions button{color:#43553c;cursor:pointer;background:#fff;border:1px solid #c9cec0;border-radius:8px;min-height:36px;padding:8px 11px}.grammar-material-actions button:last-child{color:#914f3d;border-color:#d9b8ae}.grammar-material-actions button:disabled{opacity:.35;cursor:default}.grammar-material-actions button:hover:not(:disabled){background:#edf0e3}.grammar-material-toggle{color:inherit;text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;padding:0}.grammar-material-body>.grammar-aligned-row+.grammar-aligned-row{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.grammar-removal-notice{background:#f5f7eb;border-radius:9px;justify-content:space-between;align-items:center;gap:16px;margin:0 0 16px;padding:12px 16px;font-size:14px;display:flex}.grammar-removal-notice button{color:#435c38;cursor:pointer;font:inherit;background:0 0;border:0;font-weight:600;text-decoration:underline}.grammar-workspace-head>div:last-child{flex-wrap:wrap}.grammar-material-heading h4{min-width:0}.grammar-material-body[hidden]{display:none}.grammar-aligned-list:has(>.grammar-reference>.grammar-empty){grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:16px;display:grid}.grammar-aligned-list:has(>.grammar-reference>.grammar-empty)>.grammar-extra-exercises{flex-direction:column;min-width:0;margin:0;display:flex}.grammar-aligned-list:has(>.grammar-reference>.grammar-empty)>.grammar-extra-exercises>div{flex:1;min-height:360px}.grammar-aligned-list>.grammar-reference>.grammar-empty{text-align:center;padding:24px}.grammar-workspace-head{flex-direction:column;align-items:stretch;gap:14px;display:flex}.grammar-workspace-head>div:last-child{flex-wrap:wrap;gap:8px;width:100%;display:flex}.grammar-workspace-head select{flex:1;min-width:200px;max-width:100%}.grammar-workspace-head>div:last-child>button{white-space:nowrap;flex-shrink:0}@media (max-width:850px){.grammar-aligned-list:has(>.grammar-reference>.grammar-empty){grid-template-columns:1fr}.grammar-aligned-list>.grammar-reference>.grammar-empty{min-height:220px}}.grammar-workspace .grammar-ready-table{font-size:22px;line-height:1.5}.grammar-workspace 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button>span{border-radius:50%;width:23px;height:23px}.grammar-workspace .lesson-grammar-rule{white-space:pre-wrap;cursor:text}.lesson-grammar-rule:empty:before{content:attr(data-placeholder);color:#9c9c8f;pointer-events:none}.grammar-table-stack,.grammar-exercise-stack{flex-direction:column;align-self:start;gap:8px;min-width:0;display:flex}.grammar-table-stack>figure{flex:none}.grammar-workspace .grammar-attach-table{width:100%;height:auto;color:var(--ink);box-shadow:none;text-align:left;cursor:pointer;background:#f3f5eb;border:0;border-top:1px dashed #bcc6a3;border-radius:0;padding:9px 12px;font-size:14px;display:block;position:static}.grammar-workspace .grammar-attach-table:hover{background:#e8eed8}.grammar-exercise-stack.has-attached-tables .grammar-exercises>div{min-height:180px}.grammar-workspace .grammar-add-row{color:#43553c;width:100%;height:auto;font:inherit;text-align:left;box-shadow:none;cursor:pointer;background:#fff;border:0;border-radius:0;padding:8px 12px;font-size:14px;display:block;position:static}.grammar-workspace .grammar-add-row:hover{background:#edf2dd}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}