.trainer{--ink:#242522;--muted:#85877e;--paper:#fff;--canvas:#f6f7f2;--line:#e7e9e2;--green:#416c44;--accent:#d9edbd;--radius:20px;z-index:60;background:var(--canvas);min-width:320px;color:var(--ink);font-family:inherit;position:fixed;inset:0;overflow:auto}.practice-head{max-width:760px;padding:20px max(20px, env(safe-area-inset-right)) 12px;justify-content:space-between;align-items:center;gap:14px;margin:auto;display:flex}.practice-head div{justify-items:center;line-height:1.2;display:grid}.practice-head small,.practice-audio-note{color:var(--muted);font-size:13px}.practice-close{border:1px solid var(--line);background:var(--paper);width:42px;height:42px;color:var(--ink);border-radius:50%;place-items:center;display:grid}.practice-close svg{width:19px}.practice-head progress{width:92px;height:4px;accent-color:var(--green);margin-top:6px}.practice-sound{color:var(--muted);white-space:nowrap;font-size:13px}.practice-sound input{accent-color:var(--green)}.practice-modes{scrollbar-width:none;gap:7px;max-width:760px;margin:0 auto;padding:0 20px;display:flex;overflow-x:auto}.practice-modes button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:999px;flex:none;padding:8px 13px;font-size:13px}.practice-modes .active{border-color:var(--green);color:var(--green);background:var(--accent)}.practice-audio-note{max-width:720px;margin:12px auto 0;padding:0 20px}.practice-body{flex-direction:column;justify-content:center;gap:18px;width:min(100% - 40px,620px);min-height:calc(100dvh - 158px);margin:20px auto 0;padding-bottom:36px;display:flex}.practice-flash,.practice-question,.practice-result,.practice-summary{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 18px 45px #30372a0f}.practice-flash{cursor:pointer;-webkit-user-select:none;user-select:none;min-height:370px;overflow:hidden}.practice-card-face{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:370px;padding:34px;display:flex}.practice-card-face span,.practice-question>span{color:var(--green);letter-spacing:.09em;text-transform:uppercase;font-size:12px;font-weight:700}.practice-card-face h1,.practice-question h1{letter-spacing:-.04em;margin:14px 0 8px;font-size:clamp(29px,7vw,48px);line-height:1.06}.practice-card-face p{max-width:420px;color:var(--muted);margin:0}.practice-card-face img{object-fit:cover;border-radius:16px;width:112px;height:112px;margin:12px 0}.practice-flash.is-flipped{background:linear-gradient(145deg,#fff,#f6faef)}.practice-question{text-align:center;padding:clamp(24px,7vw,48px)}.practice-question h1{font-size:clamp(25px,6.5vw,42px)}.practice-options{text-align:left;gap:10px;margin-top:25px;display:grid}.practice-options button{border:1px solid var(--line);text-align:left;background:var(--paper);color:var(--ink);border-radius:13px;padding:14px 16px;font-size:16px}.practice-options .selected{border-color:var(--green);background:var(--accent)}.practice-question form{gap:12px;margin-top:28px;display:grid}.practice-question input{border:1px solid var(--line);min-height:52px;font:inherit;color:var(--ink);border-radius:13px;outline:none;padding:0 15px}.practice-question input:focus{border-color:var(--green);box-shadow:0 0 0 3px #416c4426}.practice-primary,.practice-grade button,.practice-audio-actions button,.practice-error button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:13px;justify-content:center;align-items:center;gap:8px;padding:13px 18px;font:600 15px inherit;display:inline-flex}.practice-primary:disabled{opacity:.55;cursor:default}.practice-grade{grid-template-columns:1fr 1fr;gap:12px;display:grid}.practice-grade button:first-child{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.practice-audio-actions{justify-content:center;gap:8px;margin:22px 0;display:flex}.practice-audio-actions button:last-child{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.practice-result{text-align:center;padding:21px;animation:.24s ease-out practice-in}.practice-result.correct{border-color:#a9cda7}.practice-result.incorrect{border-color:#e5c9b9;animation:.35s ease-in-out practice-shake}.practice-result p{color:var(--muted);font-size:14px}.practice-result .practice-primary{margin-top:8px}.practice-error{color:#7b4029;background:#fff5ed;border-radius:13px;padding:12px 15px;font-size:14px}.practice-error button{background:#7b4029;margin-left:8px;padding:5px 9px;font-size:13px}.practice-summary{text-align:center;max-width:470px;margin:20vh auto;padding:50px 30px}.practice-summary h2{letter-spacing:-.04em;margin:9px 0;font-size:34px}.practice-summary p{color:var(--muted)}.practice-summary strong{color:var(--green);margin-bottom:27px;font-size:21px;display:block}.practice-confetti{color:#7ea65b;letter-spacing:12px;font-size:25px;animation:.5s ease-out practice-in;display:block}.trainer button:focus-visible{outline-offset:2px;outline:3px solid #91b786}@keyframes practice-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes practice-shake{25%{transform:translate(-5px)}70%{transform:translate(4px)}}@media (prefers-reduced-motion:reduce){.trainer *{scroll-behavior:auto!important;animation:none!important}}@media (max-width:440px){.practice-head{padding-top:14px}.practice-sound{font-size:0}.practice-sound input{width:18px;height:18px}.practice-body{width:min(100% - 28px,620px);min-height:calc(100dvh - 135px)}.practice-flash,.practice-card-face{min-height:330px}}.practice-options .practice-option{justify-content:space-between;align-items:center;gap:14px;transition:background-color .18s,border-color .18s,color .18s;display:flex}.practice-options .selected{background:#f0f2ec;border-color:#9ba391}.practice-options .practice-option:disabled{opacity:1;cursor:default}.practice-options .is-correct,.practice-question input.is-correct{color:#2d642f;background:#eaf5e5;border-color:#79a96f}.practice-options .is-incorrect,.practice-question input.is-incorrect{color:#a32f28;background:#fff0ed;border-color:#ce8177}.practice-options .is-correct svg,.practice-options .is-incorrect svg{stroke-width:2.2px;flex-shrink:0}.practice-question input:disabled{opacity:1;-webkit-text-fill-color:currentColor}.practice-result.correct{background:#f2f8ed;border-color:#a0c696}.practice-result.incorrect{background:#fff7f5;border-color:#dfa399}.practice-result.correct .practice-feedback-title,.practice-expected-answer{color:#2d642f;font-weight:600}.practice-result.incorrect .practice-feedback-title,.practice-result.incorrect .practice-submitted-answer{color:#a32f28}.practice-head .practice-feedback-controls{justify-content:flex-end;align-items:center;gap:12px;display:flex}.practice-feedback-controls label{color:var(--muted);white-space:nowrap;cursor:pointer;align-items:center;gap:6px;font-size:12px;display:flex}.practice-feedback-controls input{accent-color:var(--green);width:15px;height:15px;margin:0}.practice-summary-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:24px;display:flex}.practice-summary-actions button{width:100%;min-height:52px;font-size:15px}.practice-finish{color:#416c44;cursor:pointer;background:#f6f9f1;border:1px solid #b7c9aa;border-radius:13px;justify-content:center;align-items:center;padding:13px 18px;display:flex}.practice-finish:hover{background:#eaf2e1;border-color:#92b17e}.practice-loading{min-height:90dvh;color:var(--muted);justify-content:center;align-items:center;font-size:15px;display:flex}.practice-batch-status{font-size:13px;line-height:1.7}.practice-summary strong{margin-bottom:14px}.practice-preview-note{color:#416c44;text-align:center;max-width:720px;margin:0 auto 14px;padding:8px 20px;font-size:12px;line-height:1.5}.practice-summary .practice-preview-note{color:#416c44;margin-bottom:18px;padding:0}@media (max-width:600px){.practice-feedback-controls label{min-height:40px;padding:4px}.practice-feedback-controls label span{display:none}.practice-head .practice-feedback-controls{gap:4px}}.practice-option-forms{font-size:17px;font-weight:600;display:block}.practice-option-gloss{color:var(--muted);margin-top:5px;font-size:13px;font-weight:400;display:block}.practice-card-face .practice-form-translation{color:var(--ink);margin:5px 0 14px;font-size:19px}.practice-form-hint{color:var(--muted);font-size:13px;line-height:1.6}.practice-inline-success{color:#2d642f;justify-content:center;align-items:center;gap:7px;margin:0;font-size:14px;display:flex}.practice-result.incorrect .practice-primary{margin:16px auto 0;display:flex}.set-delete-action{flex-direction:column;align-items:flex-start;gap:6px;display:inline-flex}.set-delete-button{color:#984d44;border-color:#e5cbc4}.set-delete-button:hover{background:#fff5f1}.set-delete-error{color:#984d44;max-width:320px;font-size:11px;line-height:1.5}.editor-footer>.set-delete-action{margin-right:auto}.board-room{z-index:50;color:#31473b;isolation:isolate;background:#f8f9f4;flex-direction:column;font-family:Inter,Avenir Next,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex;position:fixed;inset:0;overflow:hidden}.board-room button,.board-room a,.board-room input,.board-room select,.board-room textarea{font:inherit}.board-room button{cursor:pointer}.board-room button:disabled{cursor:default;opacity:.45}:is(.board-room button:focus-visible,.board-room a:focus-visible){outline-offset:3px;outline:3px solid #a5bb89}.board-header{z-index:3;background:#fffefa;border-bottom:1px solid #e2e7da;align-items:center;gap:20px;height:76px;min-height:76px;padding:0 24px;display:flex}.board-back{white-space:nowrap;color:#68775e;align-items:center;gap:8px;padding:10px 0;display:flex;font-size:12px!important}.board-header-divider{background:#e5e9dd;width:1px;height:30px}.board-identity{min-width:150px;max-width:280px}.board-identity>small{letter-spacing:1.7px;color:#9aa48e;margin-bottom:4px;font-size:8px;display:block}.board-identity>b{font-size:14px;font-weight:600}.board-student-select{align-items:center;display:flex;position:relative}.board-student-select select{-webkit-appearance:none;appearance:none;color:#31473b;outline-offset:3px;cursor:pointer;background:0 0;border:0;width:100%;max-width:260px;padding:0 25px 0 0;font-size:15px;font-weight:600}.board-student-select>svg{pointer-events:none;color:#91a080;position:absolute;right:0}.board-save{color:#7a8c6d;white-space:nowrap;align-items:center;gap:6px;margin-left:6px;font-size:10px;display:flex}.board-save-offline,.board-save-error{color:#9e7446}.board-save>button{align-items:center;padding:5px;display:flex}.board-people{align-items:center;margin-left:auto;padding-left:5px;display:flex}.board-person{color:#fff;background:#9aa987;border:2px solid #fffefa;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;margin-left:-5px;font-size:11px;font-weight:600;display:flex}.board-person-self{background:#667e56}.board-homework-toggle{white-space:nowrap;color:#547046;border-radius:9px;align-items:center;gap:8px;padding:10px 14px;display:flex;position:relative;background:#f0f4e9!important;border:1px solid #dfe6d5!important;font-size:11px!important}.board-homework-toggle.is-active{background:#dfebd4!important;border-color:#c4d3b5!important}.board-homework-toggle>i{background:#b78840;border-radius:50%;width:6px;height:6px;position:absolute;top:6px;right:7px}.board-workspace{flex:1;min-height:0;display:flex;position:relative}.board-frames{z-index:2;background:#f8f9f3;border-right:1px solid #e4e9db;flex-direction:column;width:226px;min-width:226px;min-height:0;padding:23px 16px 18px;display:flex}.board-panel-heading{justify-content:space-between;align-items:center;gap:10px;font-size:12px;font-weight:600;display:flex}.board-panel-heading>span{align-items:center;gap:8px;display:flex}.board-panel-heading>button{color:#8b997e;justify-content:center;align-items:center;padding:4px;display:flex}.board-panel-note{color:#95a087;font-size:10px;line-height:1.7;margin-top:12px!important}.board-frame-list{flex-direction:column;gap:6px;margin:25px -2px 12px;padding:0 2px;display:flex;overflow:auto}.board-frame-row{background:#fffefa;border:1px solid #e4e9db;border-radius:9px;flex-shrink:0;align-items:center;min-height:58px;display:flex;position:relative}.board-frame-row.is-active{background:#edf4e5;border-color:#a6bb8e}.board-frame-row>button:first-child{text-align:left;flex:1;align-items:center;gap:10px;min-width:0;padding:13px 9px;font-size:10px;line-height:1.45;display:flex}.board-frame-row>button:first-child>span:last-child{overflow-wrap:anywhere}.board-frame-number{color:#8ba071;flex-shrink:0;align-self:flex-start;padding-top:1px;font-size:9px!important}.board-frame-copy{color:#91a080;opacity:0;flex-shrink:0;justify-content:center;align-self:stretch;align-items:center;width:24px;display:flex}.board-frame-row:hover .board-frame-copy{opacity:1}.board-frame-copy:focus-visible{opacity:1}.board-frame-empty{text-align:center;color:#b2bca5;flex-direction:column;align-items:center;gap:14px;padding:35px 15px 27px;font-size:10px;line-height:1.8;display:flex}.board-add-frame{color:#698153;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:12px 7px;display:flex;border:1px dashed #cdd8c0!important;font-size:10px!important}.board-sidebar-bottom{margin-top:auto;padding-top:24px}.board-sidebar-bottom>button{text-align:left;color:#637e4e;background:#eaf0e0;border-radius:9px;align-items:center;gap:10px;width:100%;padding:14px 10px;display:flex}.board-sidebar-bottom>button>span{color:#8fa971;font-size:21px}.board-sidebar-bottom>button>div{flex:1}.board-sidebar-bottom b{font-size:10px;font-weight:600;display:block}.board-sidebar-bottom small{color:#98a388;margin-top:4px;font-size:8px;line-height:1.7;display:block}.board-template-actions{gap:8px;margin-top:13px;display:flex}.board-template-actions>button{color:#7d8d6b;background:#fffefa;border-radius:7px;flex:1;justify-content:center;align-items:center;gap:6px;padding:9px 4px;display:flex;border:1px solid #dfe6d4!important;font-size:9px!important}.board-sidebar-bottom>p{color:#a2ab96;margin-top:12px;font-size:8px;line-height:1.8}.board-canvas-area{background:#fffef9;flex:1;min-width:0;min-height:0;position:relative;overflow:hidden}.board-canvas-area>.excalidraw{--color-primary:#66864f;--color-primary-darker:#436633;--color-primary-darkest:#314f27;--color-primary-light:#e7efdd;--color-primary-light-darker:#d4e2c6;--island-bg-color:#fffefa;--popup-secondary-bg-color:#f5f7ee;--button-hover-bg:#eef3e6;--button-active-bg:#dfebd1;--button-active-border:#a5bd88;--color-surface-high:#f2f5ec;--color-surface-low:#f9faf5;--color-on-surface:#3e4f35;--color-gray-20:#e7ecde;--color-gray-40:#a8b49b;--color-gray-50:#8b997c;--color-selection:#91b775;--default-bg-color:#fffef9;width:100%;height:100%;font-family:Inter,Avenir Next,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.board-canvas-area .excalidraw .library-button,.board-canvas-area .excalidraw .layer-ui__wrapper__top-right{display:none}.board-canvas-area .excalidraw .App-toolbar{border:1px solid #e5eadb;border-radius:12px;padding:5px;box-shadow:0 3px 15px #38432d0a}.board-canvas-area .excalidraw .App-menu_top .Island{box-shadow:0 3px 15px #38432d0a}.board-canvas-area .excalidraw .dropdown-menu-button{background:#fffefa;border:1px solid #e4e9db;box-shadow:0 3px 12px #38432d08}.board-canvas-area .excalidraw .help-icon{opacity:.7}.board-extra-tools{z-index:2;scrollbar-width:none;background:#fffefaf7;border:1px solid #e2e8d7;border-radius:11px;flex-direction:column;gap:3px;max-height:calc(100% - 155px);padding:6px;display:flex;position:absolute;top:76px;left:14px;overflow:auto;box-shadow:0 3px 16px #3d4d2d0a}.board-extra-tools>button{color:#7e906b;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.board-extra-tools>button:hover,.board-extra-tools>button.is-active{color:#4f7139;background:#edf3e5}.board-extra-tools>span{background:#e6eadf;flex-shrink:0;height:1px;margin:4px;display:block}.board-welcome{text-align:center;pointer-events:none;color:#8b9b7a;width:min(390px,100% - 160px);padding-bottom:25px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.board-welcome>span{color:#adc293;margin-bottom:20px;font-size:35px;display:block}.board-welcome>h2{color:#688054;font-family:Georgia,Times New Roman,serif;font-size:30px;font-weight:400;line-height:1.25}.board-welcome>p{color:#9da88f;max-width:325px;font-size:11px;line-height:1.9;margin:16px auto 24px!important}.board-welcome>button{pointer-events:auto;display:inline-flex}.board-loading{color:#8a9f74;text-align:center;background:#fffef9;flex-direction:column;justify-content:center;align-items:center;gap:15px;padding:30px;font-size:12px;display:flex;position:absolute;inset:0}.board-loading>p{overflow-wrap:anywhere;color:#9a9f8d;max-width:450px;font-size:11px}.board-loading>.board-primary{margin-top:4px}.board-empty{text-align:center;color:#8ea17b;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:18px;padding:30px;display:flex}.board-empty>h2{font-family:Georgia,Times New Roman,serif;font-size:26px;font-weight:400}.board-empty>p{color:#96a189;max-width:390px;font-size:12px;line-height:1.8}.board-busy{z-index:5;color:#7c9366;white-space:nowrap;background:#fffefaf5;border:1px solid #dce5cf;border-radius:10px;align-items:center;gap:9px;padding:11px 17px;font-size:11px;display:flex;position:absolute;bottom:75px;left:50%;transform:translate(-50%);box-shadow:0 4px 25px #38432d12}.board-error{z-index:5;color:#997347;background:#fff8eb;border:1px solid #e4d5b8;border-radius:10px;align-items:center;gap:14px;max-width:600px;margin:0 auto;padding:12px 14px;font-size:11px;display:flex;position:absolute;bottom:80px;left:80px;right:30px;box-shadow:0 3px 18px #765b2710}.board-error>p{overflow-wrap:anywhere;flex:1}.board-error>button{padding:3px;display:flex}.board-primary,.board-secondary{border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:11px 14px;line-height:1.5;display:flex;font-size:11px!important}.board-primary{color:#fff!important;background:#557943!important;border:1px solid #557943!important}.board-primary:hover{background:#476c36!important}.board-secondary{color:#6e8758!important;background:#f5f8ee!important;border:1px solid #dfe8d2!important}.board-homework-panel{z-index:6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffefbf9;border-left:1px solid #e0e7d7;width:318px;padding:25px 23px;position:absolute;top:0;bottom:0;right:0;overflow:auto;box-shadow:-12px 0 40px #45543609}.board-homework-status{color:#95a285;background:#f1f4e9;border-radius:5px;margin:24px 0 20px;padding:5px 9px;font-size:9px;display:inline-flex}.board-homework-status.status-submitted{color:#a1844b;background:#faf0d8}.board-homework-status.status-reviewed{color:#6c8b4e;background:#eaf3df}.board-homework-panel form{flex-direction:column;gap:18px;display:flex}.board-field{color:#8b997b;flex-direction:column;gap:8px;font-size:10px;line-height:1.5;display:flex}.board-field input,.board-field textarea,.board-field select{resize:vertical;color:#516542;background:#fbfcf7;border:1px solid #e1e7d9;border-radius:7px;width:100%;min-width:0;padding:11px 12px;font-size:12px;line-height:1.6}.board-field input:focus,.board-field textarea:focus,.board-field select:focus{outline-offset:1px;outline:2px solid #b5c99d}.board-field input::placeholder,.board-field textarea::placeholder{color:#b0b8a3;font-size:11px}.board-homework-instructions{white-space:pre-wrap;color:#748263;font-size:12px;line-height:1.9}.board-homework-due{color:#8fa078;font-size:10px;margin-top:17px!important}.board-homework-feedback{background:#f1f6e9;border-radius:8px;margin:20px 0;padding:15px}.board-homework-feedback>b{color:#718b58;font-size:10px}.board-homework-feedback>p{white-space:pre-wrap;color:#788769;margin-top:8px;font-size:12px;line-height:1.9}.board-homework-panel>.board-primary,.board-homework-panel>.board-secondary{width:100%;margin-top:23px}.board-homework-tip{color:#a2ae94;border-top:1px solid #e7ecdf;align-items:flex-start;gap:10px;margin-top:30px;padding-top:20px;font-size:10px;line-height:1.8;display:flex}.board-homework-tip>span{color:#b0c395;font-size:19px;line-height:1.3}.board-homework-saved{color:#78945e;align-items:center;gap:6px;font-size:10px;display:flex}.board-form-error{color:#aa7952;font-size:11px;line-height:1.7;margin-top:9px!important}.board-dialog-shade{z-index:20;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#26382142;justify-content:center;align-items:center;padding:25px;display:flex;position:absolute;inset:0}.board-dialog{background:#fffefa;border:1px solid #e0e7d5;border-radius:17px;flex-direction:column;gap:18px;width:430px;max-width:100%;max-height:calc(100dvh - 50px);padding:27px;display:flex;overflow:auto;box-shadow:0 18px 90px #21321b25}.board-dialog h2{color:#5b754a;letter-spacing:-.4px;font-size:19px;font-weight:500;line-height:1.4}.board-dialog>.board-panel-heading{margin-bottom:3px}.board-dialog>p{color:#929e83;font-size:12px;line-height:1.8}.board-dialog>textarea{color:#526449;resize:vertical;border:0;border-radius:8px;width:100%;min-height:160px;padding:18px;font-size:19px;line-height:1.5}.board-note-colors{align-items:center;gap:12px;display:flex}.board-note-colors>button{outline-offset:3px;color:#637653;border-radius:50%;justify-content:center;align-items:center;width:31px;height:31px;display:flex}.board-note-colors>button.is-active{outline:2px solid #8ca573}.board-dialog-actions{color:#a3ad96;justify-content:space-between;align-items:center;gap:20px;margin-top:2px;font-size:10px;display:flex}.board-dialog-actions>button{text-align:left;padding:7px 0}.board-dialog-actions>button:first-child{color:#6d8559}.board-audio-embed{color:#738b5b;box-sizing:border-box;background:#f4f7ed;border:1px solid #d6e1c8;border-radius:12px;flex-direction:column;justify-content:center;gap:13px;width:100%;height:100%;padding:21px 25px;display:flex;overflow:hidden}.board-audio-embed>div{align-items:center;gap:12px;min-height:24px;font-size:16px;display:flex}.board-audio-embed>div>span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.board-audio-embed>audio{width:100%;height:35px;min-height:35px}.board-audio-embed>small{color:#a1ad91;white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.board-pdf-embed{background:#fffefa;border:1px solid #dce5d0;border-radius:9px;flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.board-pdf-embed>div{color:#859774;align-items:center;gap:9px;min-width:0;padding:12px 15px;font-size:13px;display:flex}.board-pdf-embed>div>span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.board-pdf-embed>div>a{display:flex}.board-pdf-embed>iframe{background:#f1f3ed;border:0;flex:1;width:100%;min-height:0}.board-video-embed{background:#263323;border:0;border-radius:8px;width:100%;height:100%}.board-unsupported-embed{box-sizing:border-box;color:#899c75;text-align:center;background:#f8faf3;border:1px solid #dce5d0;border-radius:8px;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;font-size:13px;display:flex}@media (max-width:1100px){.board-header{gap:15px;padding:0 18px}.board-save{font-size:9px}.board-save>span{text-overflow:ellipsis;max-width:160px;overflow:hidden}.board-identity{min-width:120px;max-width:200px}.board-student-select select{max-width:195px}.board-frames{width:205px;min-width:205px;padding:22px 13px 16px}.board-homework-toggle{gap:6px;padding:10px;font-size:10px!important}.board-person{width:27px;height:27px;font-size:10px}.board-people{padding-left:0}}@media (max-width:760px){.board-header{flex-wrap:nowrap;gap:12px;height:68px;min-height:68px;padding:0 12px}.board-back{padding:10px 2px}.board-back>span,.board-header-divider{display:none}.board-identity{flex:1;min-width:0;max-width:none}.board-identity>small{letter-spacing:1.25px;margin-bottom:5px;font-size:6px}.board-identity>b{font-size:12px}.board-student-select select{max-width:100%;padding-right:21px;font-size:13px}.board-save{gap:4px;margin-left:0;font-size:7px;position:absolute;top:49px;left:46px}.board-save>svg{width:10px;height:10px}.board-save>span{max-width:205px}.board-save>button{padding:0 4px}.board-people{margin-left:0}.board-person{width:25px;height:25px;font-size:9px}.board-people .board-person:nth-child(n+3){display:none}.board-homework-toggle{border-radius:8px;padding:9px}.board-homework-toggle>span{display:none}.board-homework-toggle>svg{width:18px;height:18px}.board-frames{z-index:7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#f8faf2f7;width:235px;min-width:235px;padding:23px 18px 20px;position:absolute;top:0;bottom:0;left:0;box-shadow:12px 0 35px #3f4b2e14}.board-frame-copy{opacity:1}.board-panel-heading{font-size:12px}.board-frame-row>button:first-child{font-size:11px}.board-sidebar-bottom small{font-size:9px}.board-template-actions>button{font-size:10px!important}.board-sidebar-bottom>p{font-size:9px}.board-extra-tools{border-radius:9px;gap:2px;max-height:calc(100% - 140px);padding:4px;top:64px;left:8px}.board-extra-tools>button{width:31px;height:31px}.board-extra-tools>button>svg{width:17px;height:17px}.board-extra-tools>span{margin:3px}.board-welcome{width:min(290px,100% - 100px);margin-left:12px}.board-welcome>h2{font-size:26px}.board-welcome>p{font-size:10px}.board-welcome>span{margin-bottom:13px;font-size:29px}.board-welcome>button{padding:10px 12px;font-size:10px!important}.board-homework-panel{z-index:8;background:#fffefbf9;width:min(340px,100% - 22px);padding:24px 20px}.board-field input,.board-field textarea,.board-field select{font-size:16px}.board-homework-panel .board-primary{font-size:11px!important}.board-dialog-shade{padding:16px}.board-dialog{border-radius:14px;gap:17px;max-height:calc(100dvh - 32px);padding:23px}.board-dialog>.board-field>input{font-size:16px}.board-dialog-actions{gap:12px}.board-busy{white-space:normal;max-width:calc(100% - 80px);padding:10px 12px;font-size:10px;bottom:90px}.board-error{padding:10px 12px;font-size:10px;bottom:90px;left:59px;right:12px}.board-canvas-area .excalidraw .App-toolbar{border-radius:9px;padding:3px}.board-homework-instructions{font-size:13px}.board-audio-embed{gap:9px;padding:15px}.board-audio-embed>div{font-size:14px}}@media (prefers-reduced-motion:reduce){.board-room .spin{animation:none}}.board-canvas-area .excalidraw .App-menu__left{margin-left:56px}@media (pointer:coarse){.board-extra-tools>button{width:40px;height:40px}.board-frame-copy{opacity:1}}@media (max-width:760px){.board-canvas-area:has(.App-mobile-menu) .board-extra-tools{visibility:hidden}}.board-world-grid{pointer-events:none;background-color:#f7f7ef;background-size:24px 24px;position:absolute;inset:0}.board-world-grid-dots{background-image:radial-gradient(circle,#98a1875c .8px,#0000 1px)}.board-world-grid-lines{background-image:linear-gradient(#a7b09920 1px,#0000 1px),linear-gradient(90deg,#a7b09920 1px,#0000 1px)}.board-canvas-area.has-lexi-tools>.excalidraw{background:0 0}.board-canvas-area.has-lexi-tools .excalidraw .App-toolbar,.board-canvas-area.has-lexi-tools .excalidraw .zoom-actions{display:none}.board-canvas-area.has-lexi-tools .excalidraw .App-menu__left{margin-left:0}.board-canvas-area.has-lexi-tools .excalidraw .App-menu_top{pointer-events:none}.board-canvas-area.has-lexi-tools .excalidraw .App-menu_top>*{pointer-events:auto}.board-primary-tools{z-index:4;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffefbf5;border:1px solid #e0e6d6;border-radius:13px;align-items:center;gap:3px;max-width:calc(100% - 132px);padding:5px;display:flex;position:absolute;top:13px;left:50%;transform:translate(-50%);box-shadow:0 6px 26px #33442a0c}.board-primary-tools>button,.board-materials-menu>summary{color:#6e835c;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-width:39px;height:42px;padding:0 9px;font-size:12px;display:flex}.board-primary-tools>button:hover,.board-primary-tools>button.is-active,.board-materials-menu[open]>summary{color:#456938;background:#eaf1df}.board-primary-tools>span{background:#e1e7d7;flex-shrink:0;width:1px;height:24px;margin:0 3px}.board-materials-menu{position:relative}.board-materials-menu>summary,.board-background-menu>summary,.board-frame-appearance>summary{cursor:pointer;list-style:none}.board-materials-menu>summary::-webkit-details-marker{display:none}.board-background-menu>summary::-webkit-details-marker{display:none}.board-frame-appearance>summary::-webkit-details-marker{display:none}:is(.board-materials-menu>summary:focus-visible,.board-background-menu>summary:focus-visible,.board-frame-appearance>summary:focus-visible){outline-offset:2px;border-radius:6px;outline:3px solid #a5bb89}.board-tools-popover{background:#fffefa;border:1px solid #dfe6d3;border-radius:12px;flex-direction:column;gap:3px;width:240px;max-height:min(600px,100dvh - 230px);padding:11px;display:flex;position:absolute;top:54px;right:0;overflow:auto;box-shadow:0 12px 40px #33442a18}.board-tools-popover>b,.board-background-options>b{letter-spacing:.4px;color:#99a58c;padding:8px 10px;font-size:10px;font-weight:500}.board-tools-popover>button{text-align:left;color:#6e805f;border-radius:7px;align-items:center;gap:12px;min-height:42px;padding:8px 10px;font-size:12px;display:flex}.board-tools-popover>button:hover,.board-background-options>button:hover{background:#eef3e7}.board-tools-popover>hr{border:0;border-top:1px solid #e6ebdf;margin:8px 5px}.board-tools-popover>p{color:#a0a991;margin:10px 10px 4px;font-size:11px;line-height:1.8}.board-sidebar-toggle{z-index:3;color:#7e926d;background:#fffefbf5;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:absolute;top:73px;left:15px;box-shadow:0 3px 16px #34442b08;border:1px solid #e0e6d6!important}.board-view-controls{z-index:3;align-items:center;gap:8px;display:flex;position:absolute;bottom:18px;left:17px}.board-zoom-controls{background:#fffefbf5;border:1px solid #dfe5d5;border-radius:10px;align-items:center;padding:3px;display:flex;box-shadow:0 4px 20px #34442b08}.board-zoom-controls>button{color:#748764;border-radius:6px;justify-content:center;align-items:center;min-width:35px;height:35px;display:flex;font-size:11px!important}.board-zoom-controls>button:hover{background:#edf3e4}.board-zoom-controls>.board-zoom-value{font-variant-numeric:tabular-nums;min-width:52px}.board-background-menu{position:relative}.board-background-menu>summary{color:#748764;background:#fffefbf5;border:1px solid #dfe5d5;border-radius:10px;justify-content:center;align-items:center;width:42px;height:43px;display:flex}.board-background-options{background:#fffefa;border:1px solid #dfe6d3;border-radius:11px;flex-direction:column;gap:3px;width:175px;padding:7px;display:flex;position:absolute;bottom:53px;left:0;box-shadow:0 12px 40px #33442a18}.board-background-options>button{color:#748764;border-radius:6px;align-items:center;gap:9px;min-height:40px;padding:5px 9px;font-size:12px;display:flex}.board-background-options>button>svg{margin-left:auto}.board-background-sample{background-color:#f7f7ef;border:1px solid #dfe4d7;border-radius:4px;width:28px;height:23px}.sample-dots{background-image:radial-gradient(circle,#98a1878c .7px,#0000 1px);background-size:7px 7px}.sample-lines{background-image:linear-gradient(#a7b09944 1px,#0000 1px),linear-gradient(90deg,#a7b09944 1px,#0000 1px);background-size:7px 7px}.board-private-badge{white-space:nowrap;color:#8b9d78;align-items:center;gap:6px;margin-right:16px;font-size:10px;display:flex}.board-identity>b{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.board-frame-actions{align-self:stretch;align-items:center;padding:3px 2px 3px 0;display:flex}.board-frame-actions>button{color:#879d72;border-radius:5px;justify-content:center;align-self:stretch;align-items:center;width:29px;min-height:38px;display:flex}.board-frame-actions>button:hover{color:#53763c;background:#e1ebd5}.board-frame-actions .board-frame-share{opacity:1;background:#edf3e7}.board-frame-row>button:first-child{gap:8px;padding:12px 9px;font-size:12px;line-height:1.5}.board-panel-note{font-size:11px;line-height:1.75}.board-frame-number{font-size:10px!important}.board-frame-appearance{background:#fffef980;border:1px solid #dfe6d3;border-radius:8px;flex-shrink:0;margin:0 0 11px}.board-frame-appearance>summary{color:#81946d;align-items:center;gap:7px;min-height:40px;padding:7px 10px;font-size:10px;display:flex}.board-frame-appearance>summary>span{flex:1}.board-frame-appearance>summary>i{border:1px solid #d6ddcc;border-radius:3px;width:18px;height:18px}.board-frame-appearance>div{padding:0 10px 12px}.board-frame-appearance>div>p{color:#92a080;text-overflow:ellipsis;white-space:nowrap;margin:0 0 10px;font-size:10px;overflow:hidden}.board-frame-swatches{flex-wrap:wrap;gap:6px;display:flex}.board-frame-swatches>button{color:#5b7546;border-radius:4px;justify-content:center;align-items:center;width:25px;height:25px;display:flex;border:1px solid #d6ddcc!important}.board-frame-swatches>button[aria-pressed=true]{outline-offset:2px;outline:2px solid #9cb486}.board-frame-hex{color:#96a286;align-items:center;gap:7px;margin-top:12px;font-size:9px;display:flex}.board-frame-hex>input{color:#687e55;background:#f9faf5;border:1px solid #dfe6d4;border-radius:5px;width:100%;min-width:0;max-width:94px;padding:6px;font-size:11px}.board-frame-hex>input[type=color]{flex-shrink:0;width:30px;height:29px;padding:2px}.board-copy-source{color:#74935a;background:#f0f5e8;border:1px solid #dce7cf;border-radius:10px;align-items:center;gap:12px;padding:15px;display:flex}.board-copy-source>div{flex-direction:column;gap:6px;min-width:0;display:flex}.board-copy-source small{color:#98a789;font-size:10px}.board-copy-source b{color:#526e40;overflow-wrap:anywhere;font-size:14px;font-weight:500;line-height:1.5}.board-copy-review{color:#81956b;background:#fafbf5;border:1px solid #e0e7d5;border-radius:9px;align-items:flex-start;gap:10px;padding:13px;display:flex}.board-copy-review>svg,.board-copy-private>svg{flex-shrink:0;margin-top:2px}.board-copy-review>p{color:#7a8c69;font-size:12px;line-height:1.8}.board-copy-review b{color:#587344;font-weight:600}.board-copy-private{align-items:flex-start;gap:10px;display:flex;color:#99a68c!important;font-size:11px!important;line-height:1.8!important}.board-copy-success{text-align:center;padding:4px 0 12px}.board-copy-success>span{color:#76975b;background:#e9f2df;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 17px;display:flex}.board-copy-success>h3{color:#5e794b;font-size:18px;font-weight:500;line-height:1.5}.board-copy-success>p{color:#8f9d80;margin:9px 0;font-size:12px;line-height:1.8}.board-copy-success>small{color:#a4af95;font-size:11px}.board-copy-open{min-height:48px}.board-library{color:#3e533d;max-width:1250px;margin:0 auto;padding:43px 46px 70px;position:relative}.board-library button,.board-library input,.board-library textarea{font:inherit}.board-library button{cursor:pointer}.board-library button:disabled{opacity:.5;cursor:default}:is(.board-library button:focus-visible,.board-library input:focus-visible,.board-library textarea:focus-visible){outline-offset:3px;outline:3px solid #b0c49a}.board-library-heading{justify-content:space-between;align-items:center;gap:28px;margin-bottom:25px;display:flex}.board-library-eyebrow{letter-spacing:1.7px;color:#9ba98c;font-size:9px}.board-library-heading h1{letter-spacing:-.8px;color:#526d42;margin:10px 0;font-family:Georgia,Times New Roman,serif;font-size:37px;font-weight:400;line-height:1.2}.board-library-heading p{color:#94a085;margin:0;font-size:13px;line-height:1.85}.board-library-heading>.board-primary{flex-shrink:0;min-height:45px;padding:11px 17px;box-shadow:0 4px 12px #41632f10;font-size:12px!important}.board-library-privacy{color:#81956f;background:#edf3e6;border:1px solid #e1e9d6;border-radius:9px;align-items:flex-start;gap:11px;padding:15px 18px;font-size:12px;line-height:1.7;display:flex}.board-library-privacy>svg{flex-shrink:0;margin-top:1px}.board-library-search{color:#a1ae91;background:#fffefa;border:1px solid #e0e6d6;border-radius:9px;align-items:center;gap:11px;max-width:440px;margin:28px 0 23px;padding:10px 14px;display:flex}.board-library-search>input{outline-offset:7px;color:#6e825d;background:0 0;border:0;width:100%;min-width:0;padding:3px 0;font-size:12px}.board-library-search>input::placeholder{color:#a3ad97}.board-library-search>span{color:#a4af96;font-size:11px}.board-library-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.board-library-card{background:#fffefa;border:1px solid #e1e7d7;border-radius:13px;transition:box-shadow .16s,border-color .16s;overflow:hidden;box-shadow:0 5px 18px #42533605}.board-library-card:hover{border-color:#b8cba3;box-shadow:0 8px 25px #4253360d}.board-library-card-open{text-align:left;background:0 0;border:0;width:100%;padding:0;display:block}.board-library-preview{background-color:#edf1e6;background-image:radial-gradient(circle,#a2b28c50 .7px,#0000 .9px);background-size:14px 14px;height:154px;position:relative;overflow:hidden}.board-library-preview.variant-1{background-color:#eeebe3}.board-library-preview.variant-2{background-color:#e9eeec}.board-library-paper{background:#fffef8;border:1px solid #dee4d4;border-radius:3px;width:155px;height:106px;padding:19px 17px;position:absolute;top:30px;left:calc(50% - 80px);transform:rotate(-5deg);box-shadow:5px 7px #bbc9ac2a}.board-library-paper>span{background:#c8d7b5;border-radius:1px;width:63px;height:4px;margin-bottom:8px;display:block}.board-library-paper>span:nth-child(2){background:#e1e7d7;width:91px;height:2px;margin-bottom:13px}.board-library-paper>i{background:#e8eedc;border:1px solid #dbe4cf;border-radius:2px;width:31px;height:27px;margin-right:5px;display:inline-block}.board-library-paper>i:last-child{background:#efe8d6;border-color:#e8dec8}.board-library-preview-note{background:#f0deb1;border:1px solid #e4d1a1;width:47px;height:43px;position:absolute;top:77px;right:calc(50% - 105px);transform:rotate(9deg);box-shadow:2px 3px #827d5e13}.board-library-preview>svg{color:#b0bda0;opacity:.7;position:absolute;top:20px;left:24px;transform:rotate(-10deg)}.board-library-lock{color:#91a47a;background:#f7f9f1d9;border:1px solid #d5dec8;border-radius:50%;justify-content:center;align-items:center;width:27px;height:27px;display:flex;position:absolute;top:14px;right:15px}.board-library-card-body{padding:20px 21px 15px}.board-library-only{color:#a0ae90;align-items:center;gap:5px;font-size:9px;line-height:1.4;display:flex}.board-library-card-body>h2{letter-spacing:-.3px;color:#587146;overflow-wrap:anywhere;margin:10px 0 9px;font-size:18px;font-weight:500;line-height:1.45}.board-library-card-body>p{color:#9aa58d;-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:43px;margin:0;font-size:12px;line-height:1.8;display:-webkit-box;overflow:hidden}.board-library-counts{color:#92a17f;align-items:center;gap:15px;margin-top:23px;font-size:10px;line-height:1.5;display:flex}.board-library-counts>span{align-items:center;gap:5px;display:flex}.board-library-counts>svg{color:#9db38b;margin-left:auto}.board-library-card-footer{color:#a7b099;border-top:1px solid #edf0e6;justify-content:space-between;align-items:center;gap:15px;padding:10px 20px;font-size:10px;display:flex}.board-library-card-footer>button{color:#91a17f;background:0 0;border:0;align-items:center;gap:6px;min-height:31px;padding:7px 0;font-size:10px;display:flex}.board-library-card-footer>button:hover{color:#5d7f45}.board-library-empty{text-align:center;color:#95a781;flex-direction:column;align-items:center;gap:18px;padding:65px 25px 75px;display:flex}.board-library-empty>span{color:#adc295;background:#edf2e5;border-radius:50%;justify-content:center;align-items:center;width:83px;height:83px;display:flex}.board-library-empty>h2{color:#76925e;margin:3px 0 0;font-family:Georgia,Times New Roman,serif;font-size:28px;font-weight:400}.board-library-empty>p{color:#a0ab93;max-width:420px;margin:0;font-size:12px;line-height:1.9}.board-library-empty>.board-primary{margin-top:8px}.board-library-error{color:#a08b5e;background:#faf2e3;border:1px solid #e6d7b8;border-radius:8px;align-items:center;gap:15px;margin-bottom:20px;padding:15px;font-size:12px;line-height:1.8;display:flex}.board-library-error>button{white-space:nowrap;color:#887549;text-decoration:underline}.board-library .board-dialog-shade{z-index:60;position:fixed}.board-library-form{flex-direction:column;gap:20px;display:flex}.board-library-form>.board-field{font-size:12px}.board-library-form .board-field>input,.board-library-form .board-field>textarea{font-size:13px}.board-library-form-privacy{color:#97a48a;align-items:center;gap:7px;font-size:11px;display:flex}@media (max-width:1200px){.board-primary-tools>button>span,.board-materials-menu>summary>span{display:none}.board-primary-tools>button,.board-materials-menu>summary{padding:0 7px}.board-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.board-library{padding:34px 30px 60px}.board-private-badge{margin-right:10px;font-size:9px}}@media (max-width:760px){.board-primary-tools{border-radius:10px;gap:0;max-width:calc(100% - 81px);padding:4px;top:10px;left:auto;right:10px;transform:none}.board-primary-tools>button,.board-materials-menu>summary{min-width:33px;height:36px;padding:0 5px}.board-primary-tools>span{height:20px;margin:0 2px}.board-primary-tools>button>svg,.board-materials-menu>summary>svg{width:18px;height:18px}.board-sidebar-toggle{width:36px;height:36px;top:65px;left:12px}.board-tools-popover{width:225px;max-height:calc(100dvh - 185px);top:48px}.board-private-badge{gap:0;margin-right:8px;font-size:0}.board-private-badge>svg{width:16px;height:16px}.board-view-controls{gap:6px;bottom:18px;left:12px}.board-zoom-controls>button{min-width:32px;height:34px}.board-background-menu>summary{width:39px;height:42px}.board-frame-row>button:first-child{font-size:12px}.board-frame-actions>button{width:30px}.board-frame-copy{opacity:1}.board-frames{z-index:7}.board-library{padding:27px 18px 48px}.board-library-heading{flex-wrap:wrap;align-items:flex-start;gap:15px}.board-library-heading h1{font-size:32px}.board-library-heading p{font-size:12px}.board-library-heading>.board-primary{min-height:43px}.board-library-privacy{gap:9px;padding:13px;font-size:11px}.board-library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.board-library-search{max-width:none;margin:23px 0 19px}.board-library-card-body{padding:16px 14px 13px}.board-library-card-body>h2{font-size:16px}.board-library-card-body>p{font-size:11px}.board-library-counts{flex-wrap:wrap;gap:9px;margin-top:18px;font-size:9px}.board-library-preview{height:130px}.board-library-paper{transform-origin:top;top:23px;transform:scale(.85)rotate(-5deg)}.board-library-preview-note{top:63px;transform:scale(.85)rotate(9deg)}.board-library-card-footer{padding:8px 14px;font-size:9px}.board-library-only{font-size:8px}.board-library-card-footer>button{font-size:9px}.board-library-form .board-field>input,.board-library-form .board-field>textarea{font-size:16px}}@media (max-width:470px){.board-library-grid{grid-template-columns:minmax(0,1fr)}.board-library-preview{height:148px}.board-library-paper{top:25px;transform:rotate(-5deg)}.board-library-preview-note{top:74px;transform:rotate(9deg)}.board-library-card-body>h2{font-size:19px}.board-library-counts{font-size:11px}.board-library-only{font-size:10px}.board-library-card-body>p{font-size:12px}.board-library-card-footer,.board-library-card-footer>button{font-size:10px}.board-primary-tools{gap:0;max-width:calc(100% - 65px);right:6px}.board-primary-tools>button,.board-materials-menu>summary{width:29px;min-width:29px;padding:0}.board-primary-tools>span{margin:0 1px}.board-library-heading>.board-primary{font-size:12px!important}}@media (prefers-reduced-motion:reduce){.board-library-card{transition:none}.board-library .spin{animation:none}}.board-private-description{color:#98a48c;text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:10px;line-height:1.4;display:block;overflow:hidden}@media (max-width:760px){.board-private-description{display:none}}.board-native-text-format{z-index:3;color:#68834f;background:#fffefbf5;border-radius:9px;align-items:center;gap:8px;min-height:43px;padding:10px 15px;display:flex;position:absolute;bottom:18px;right:18px;box-shadow:0 4px 20px #34442b0c;border:1px solid #dce6cf!important;font-size:12px!important}@media (max-width:760px){.board-native-text-format{min-height:40px;padding:8px 11px;bottom:72px;right:12px;font-size:11px!important}}:is(.board-canvas-area .excalidraw .excalidraw__embeddable-container__inner:has(.lexi-rich-text),.board-canvas-area .excalidraw .excalidraw__embeddable__outer:has(.lexi-rich-text)){overflow:visible}.board-canvas-area .excalidraw .excalidraw__embeddable__outer:has(.lexi-rich-text){padding:0!important}.board-text-toolbar{z-index:1000;color:#405741;pointer-events:auto;isolation:isolate;background:#fffefbf7;border:1px solid #d7dfcf;border-radius:11px;align-items:center;gap:3px;max-width:calc(100vw - 20px);padding:7px 9px;font:13px/1.3 Open Sans,Arial,sans-serif;display:flex;position:fixed;box-shadow:0 6px 24px #31473b19,0 1px 3px #31473b0d}.board-text-toolbar fieldset{border:0;align-items:center;gap:3px;min-width:0;margin:0;padding:0;display:flex}.board-text-toolbar button,.board-text-toolbar summary{width:31px;height:31px;color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;gap:3px;padding:0;list-style:none;display:flex}.board-text-toolbar summary::-webkit-details-marker{display:none}.board-text-toolbar button:hover,.board-text-toolbar summary:hover{background:#edf2e7}.board-text-toolbar button[aria-pressed=true],.board-text-toolbar details[open]>summary{color:#2d482e;background:#e2ecd6}.board-text-toolbar button:active,.board-text-toolbar summary:active{background:#d7e5c9;transform:translateY(1px)}:is(.board-text-toolbar button:focus-visible,.board-text-toolbar summary:focus-visible,.board-text-toolbar input:focus-visible,.board-text-toolbar select:focus-visible){outline-offset:1px;outline:2px solid #8aab70}.board-text-toolbar button:disabled,.board-text-toolbar fieldset:disabled{opacity:.38;cursor:default}.board-text-divider{background:#e0e6d9;flex-shrink:0;width:1px;height:22px;margin:0 4px}.board-text-font{flex-shrink:0;align-items:center;width:116px;display:flex;position:relative}.board-text-font select{-webkit-appearance:none;appearance:none;width:100%;height:31px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:5px;padding:0 20px 0 7px}.board-text-font svg{pointer-events:none;position:absolute;right:5px}.board-text-number{box-sizing:border-box;background:#fffefb;border:1px solid #e0e7d8;border-radius:5px;flex-shrink:0;align-items:center;gap:2px;height:29px;display:inline-flex}.board-text-number input{-webkit-appearance:textfield;appearance:textfield;width:42px;height:27px;color:inherit;text-align:center;font:inherit;box-sizing:border-box;background:0 0;border:0;border-radius:4px;padding:2px 4px}.board-text-number input::-webkit-inner-spin-button{-webkit-appearance:none;appearance:none;margin:0}.board-text-number input::-webkit-outer-spin-button{-webkit-appearance:none;appearance:none;margin:0}.board-text-number>span{color:#839079;padding-right:5px;font-size:11px}.board-text-menu{flex-shrink:0;position:relative}.board-text-popover{z-index:2;color:#405741;background:#fffefb;border:1px solid #d7dfcf;border-radius:10px;padding:12px;font:12px/1.4 Open Sans,Arial,sans-serif;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 7px 24px #31473b22}.board-text-popover>b{color:#77856b;margin:0 0 10px;font-size:11px;font-weight:600;display:block}.board-text-align{gap:4px;display:flex}.board-text-color-control{position:relative}.board-text-color-letter{font-size:18px;font-weight:600;line-height:1}.board-text-color-line{border-radius:1px;height:3px;position:absolute;bottom:3px;left:7px;right:7px;box-shadow:0 0 0 .5px #40574133}.board-text-swatches{flex-wrap:wrap;gap:7px;display:flex}.board-text-toolbar .board-text-swatch{border:1px solid #40574130;border-radius:50%;width:25px;height:25px;box-shadow:inset 0 0 0 2px #fff7}.board-text-toolbar .board-text-swatch[aria-pressed=true]{outline-offset:2px;outline:2px solid #748c60}.board-text-custom-color{cursor:pointer;border-top:1px solid #edf0e6;justify-content:space-between;align-items:center;margin-top:13px;padding-top:10px;display:flex}.board-text-custom-color input{cursor:pointer;background:0 0;border:1px solid #d7dfcf;border-radius:4px;width:32px;height:27px;padding:1px}.board-text-opacity-icon{background:linear-gradient(90deg,currentColor 50%,#0000 50%);border:1.5px solid;border-radius:50%;width:16px;height:16px}.board-text-settings{gap:12px;width:230px;display:grid}.board-text-settings>label{justify-content:space-between;align-items:center;gap:10px;display:flex}.board-text-layers{width:216px}.board-text-toolbar .board-text-menu-row{text-align:left;justify-content:flex-start;gap:9px;width:100%;height:auto;min-height:31px;padding:5px 7px;font-size:12px}.board-text-layers p{color:#87917d;border-top:1px solid #edf0e6;margin:9px 0 0;padding-top:9px;font-size:10px;line-height:1.5}@media (max-width:760px){.board-text-toolbar{flex-wrap:wrap;gap:2px;width:max-content;padding:6px}.board-text-toolbar fieldset{flex-wrap:wrap;max-width:calc(100vw - 100px)}.board-text-font{width:103px}.board-text-toolbar button,.board-text-toolbar summary{width:29px;height:30px}.board-text-divider{margin:0 2px}.board-text-popover{max-width:calc(100vw - 48px);left:0;right:auto}}.board-canvas-area:has(.lexi-rich-text[data-toolbar-visible=true]) .excalidraw .selected-shape-actions{display:none!important}.board-text-toolbar>fieldset>.board-text-number input{width:55px}.board-vector-block{pointer-events:none;background:0 0;width:100%;height:100%;position:relative;overflow:visible}.board-vector-controls{gap:15px;padding:9px 12px;font-size:12px}.board-vector-controls>label{align-items:center;gap:8px;display:flex}.board-vector-controls input[type=color]{cursor:pointer;background:#fffefa;border:1px solid #dae3d0;border-radius:5px;width:29px;height:28px;padding:2px}.board-vector-controls input[type=number]{color:#405741;width:65px;height:28px;font:inherit;background:#fffefa;border:1px solid #dae3d0;border-radius:5px;padding:3px 5px}.board-vector-invalid{color:#806020;background:#fff5d6;padding:10px;font-size:12px}.board-canvas-area .excalidraw .excalidraw__embeddable__outer:has(.board-vector-block){overflow:visible;padding:0!important}.board-canvas-area .excalidraw .excalidraw__embeddable-container__inner:has(.board-vector-block){overflow:visible}.board-text-material-link{color:#587447;white-space:nowrap;background:#eef4e6;border-radius:5px;flex-shrink:0;align-items:center;gap:6px;padding:6px 7px;font-size:11px;text-decoration:none;display:flex}.board-text-material-link:hover{background:#e2edda}.board-text-link-editor{width:290px}.board-text-link-editor input{color:#405741;background:#fffefb;border:1px solid #d4dfc9;border-radius:5px;width:100%;height:34px;padding:6px 8px;font:11px/1.4 Open Sans,Arial,sans-serif}.board-text-link-editor small{color:#8d9c7e;margin-top:7px;font-size:10px;display:block}.board-local-widgets{pointer-events:none;z-index:2;position:absolute;inset:0;overflow:visible}.board-local-widget{box-sizing:border-box;pointer-events:none;position:absolute}.board-local-widget:not([data-editing=true]) .matching-scroll,.board-local-widget:not([data-editing=true]) .matching-title,.board-local-widget:not([data-editing=true]) .matching-column-heading input{pointer-events:none!important}.board-local-widget[data-editing=true] .lexi-rich-text-editor{pointer-events:auto}.board-canvas-area:has(.board-local-widget .lexi-rich-text[data-toolbar-visible=true]) .excalidraw .selected-shape-actions{display:none!important}.board-primary-tools{border-radius:12px;flex-direction:column;gap:4px;max-width:none;max-height:calc(100% - 145px);padding:6px;top:72px;left:14px;overflow:visible;transform:none}.board-primary-tools>button,.board-primary-tools>.board-materials-menu>summary{width:40px;min-width:40px;height:40px;padding:0}.board-primary-tools>span{width:26px;height:1px;margin:3px 0}.board-primary-tools .board-tools-popover{max-height:min(600px,100dvh - 180px);top:0;left:52px;right:auto}.board-sidebar-toggle{top:15px;left:15px}@media (max-width:760px){.board-primary-tools{gap:2px;max-width:none;max-height:calc(100% - 140px);padding:4px;top:62px;left:10px;right:auto}.board-primary-tools>button,.board-primary-tools>.board-materials-menu>summary{width:35px;min-width:35px;height:35px}.board-primary-tools>span{width:24px;height:1px;margin:2px 0}.board-primary-tools .board-tools-popover{width:min(245px,100vw - 76px);top:0;left:46px}.board-sidebar-toggle{top:13px;left:11px}}.board-color-picker{color:#71845e;border-top:1px solid #e4ebdc;margin-top:12px;padding-top:11px;font:11px/1.4 Open Sans,Arial,sans-serif}.board-color-picker-main{align-items:center;gap:8px;display:flex}.board-color-native{cursor:pointer;align-items:center;gap:5px;font-size:10px;display:flex}.board-color-native input{cursor:pointer;background:#fffefb;border:1px solid #d3dfc7;border-radius:5px;width:30px;height:29px;padding:1px}.board-color-hex{color:#92a17f;align-items:center;gap:4px;font-size:9px;display:flex}.board-color-hex input{color:#4d6543;background:#fffefb;border:1px solid #d3dfc7;border-radius:5px;width:72px;height:29px;padding:4px 5px;font:10px/1.4 Open Sans,Arial,sans-serif}.board-color-picker .board-color-eyedropper{color:#6d8956;cursor:pointer;background:#f0f5e9;border:1px solid #d3dfc7;border-radius:5px;justify-content:center;align-items:center;width:29px;height:29px;padding:0;display:flex}.board-color-picker .board-color-eyedropper:disabled{opacity:.35;cursor:default}.board-color-picker>small{color:#99a58e;margin-top:7px;font-size:9px;line-height:1.5;display:block}.board-text-palette{width:252px}.board-vector-controls .board-color-picker{border:0;margin:0;padding:0}.board-vector-controls .board-color-native>span{display:none}.board-canvas-area:has(.board-local-widget[data-selected=true]) .excalidraw .selected-shape-actions{display:none!important}@media (prefers-reduced-motion:reduce){.activity-wheel-visual svg{transition:none}}.board-text-toolbar,.board-text-toolbar fieldset{flex-wrap:wrap}.board-local-widget .lexi-rich-text[data-sticky=true]{box-shadow:0 4px 12px #31473b12}.board-canvas-area.has-lexi-tools .excalidraw .App-menu__left{max-width:calc(100% - 88px);margin-left:72px}.board-canvas-area[data-board-tool=freedraw] canvas.interactive{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26' viewBox='0 0 26 26'%3E%3Cpath d='M4 17 16 5 21 10 9 22 3 23Z' fill='%23fffefb' stroke='%23557042' stroke-width='1.6' stroke-linejoin='round'/%3E%3Cpath d='m14 7 5 5M4 17l5 5' fill='none' stroke='%23557042' stroke-width='1.4'/%3E%3C/svg%3E") 3 23,crosshair!important}@media (max-width:760px){.board-canvas-area.has-lexi-tools .excalidraw .App-menu__left{max-width:calc(100% - 72px);margin-left:60px}}.board-audio-placeholder{color:#91a17c;margin:0;font-size:12px}.board-audio-upload{color:#69884f;background:#edf4e4;border-radius:6px;justify-content:center;align-self:flex-start;align-items:center;gap:6px;padding:7px 10px;display:flex;border:1px solid #d4dfc7!important;font-size:11px!important}.board-audio-embed>div:first-child{min-height:20px;font-size:14px}.board-audio-embed>.learning-audio-player{gap:6px;min-height:0;font-size:12px;display:grid}.board-audio-embed .learning-audio-player audio{height:34px;min-height:34px}.board-audio-embed .audio-speed-control{gap:4px}.board-audio-embed .audio-speed-control button{min-height:30px}.board-sticky-border-preview{border:2px solid;border-radius:4px;flex-shrink:0;width:24px;height:16px;display:inline-block}.board-stroke-color-row{grid-template-columns:repeat(8,minmax(0,1fr));gap:6px;display:grid}.board-stroke-colors{gap:9px;min-width:0;display:grid}.board-stroke-colors .board-text-swatch{aspect-ratio:1;outline-offset:2px;border-radius:50%;width:min(24px,100%);min-width:0;height:auto;min-height:0;padding:0;display:block;border:1px solid #31473b20!important}.board-stroke-colors .board-text-swatch[aria-pressed=true]{outline:2px solid #7d956b}.board-sticky-border-menu{width:284px!important}.board-sticky-border-menu>.board-stroke-colors{border-top:1px solid #e2e8d8;margin-top:8px;padding-top:10px}.board-stroke-popover{z-index:90;box-sizing:border-box;width:270px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 20px);padding:14px;font:12px/1.4 Open Sans,Arial,sans-serif;position:fixed!important}.board-stroke-popover>b{margin:0 0 12px;padding:0}.board-audio-embed .audio-speed-label{display:none}.board-audio-embed .audio-speed-presets{margin-left:10px;padding-left:12px}.board-audio-embed .learning-audio-player audio{width:100%;min-width:0;max-width:100%}.board-audio-embed>.learning-audio-player{min-width:0}.board-frame-style-panel{box-sizing:border-box;color:#526746;width:100%;max-width:100%;max-height:calc(100dvh - 270px);margin-top:8px;padding:12px;font:12px/1.4 Open Sans,Arial,sans-serif;overflow:auto}.board-frame-style-panel>details+details{border-top:1px solid #e1e7d7;margin-top:8px;padding-top:8px}.board-frame-style-panel summary{cursor:pointer;padding:5px 0;font-weight:600}.board-frame-style-panel .board-stroke-colors{margin-top:12px}.board-frame-border-styles{grid-template-columns:1fr 1fr;gap:5px;margin:8px 0;display:grid}.board-frame-border-styles>button{color:#60784e;cursor:pointer;background:#fffef9;border:1px solid #d9e2d0;border-radius:6px;padding:7px 4px;font:11px inherit}.board-frame-border-styles>button[aria-pressed=true]{background:#e4edd9;border-color:#9bb284}.board-frame-border-width{justify-content:space-between;align-items:center;margin:10px 0;display:flex}.board-frame-border-width input{border:1px solid #d9e2d0;border-radius:5px;width:56px;padding:5px}.board-canvas-area .App-menu__left:has(.board-frame-style-panel){box-sizing:border-box;width:250px;max-width:calc(100vw - 120px);padding-bottom:4px;overflow-y:auto;max-height:calc(100dvh - 180px)!important}.board-frame-style-panel .board-color-picker-main{flex-wrap:wrap}.board-audio-embed{gap:6px;padding:11px 16px}.board-audio-embed>.learning-audio-player{gap:4px}.board-audio-embed .audio-speed-control button{min-width:34px;min-height:34px}.grammar-space{--grammar-ink:#344a39;--grammar-muted:#687665;--grammar-line:#dfe5d9;--grammar-canvas:#f6f7f2;--grammar-sage:#eaf0e3;color:var(--grammar-ink);min-width:0;padding-bottom:24px;font-size:16px;line-height:1.6}.grammar-space button,.grammar-space input,.grammar-space select,.grammar-space textarea,.grammar-modal button,.grammar-modal input,.grammar-modal select,.grammar-modal textarea{font:inherit}.grammar-space button,.grammar-modal button{cursor:pointer}.grammar-space button:disabled,.grammar-modal button:disabled{cursor:wait;opacity:.65}:is(.grammar-space :focus-visible,.grammar-modal :focus-visible){outline-offset:4px;outline:3px solid #849d70}.grammar-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px;display:flex}.grammar-heading h1{letter-spacing:-1.3px;margin:12px 0;font-size:38px;font-weight:600;line-height:1.15}.grammar-heading-dot{color:#9cb67e}.grammar-heading p{max-width:640px;color:var(--grammar-muted);font-size:15px;line-height:1.8}.grammar-eyebrow{letter-spacing:1.7px;color:#71865d;align-items:center;gap:9px;font-size:11px;font-weight:600;display:flex}.grammar-button{white-space:normal;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:12px 17px;font-weight:550;line-height:1.4;text-decoration:none;display:inline-flex;font-size:14px!important}.grammar-heading>.grammar-button{flex-shrink:0;margin-top:25px}.grammar-primary{color:#fff;background:#3e5842;border-color:#3e5842}.grammar-primary:hover{background:#2f4634}.grammar-secondary{color:#456040;background:#fff;border-color:#d8e1ce}.grammar-secondary:hover{background:#f0f4e9}.grammar-student-choice{align-items:center;gap:14px;margin-bottom:22px;font-size:14px;font-weight:550;display:flex}.grammar-student-choice select,.grammar-category-filter select{border:1px solid var(--grammar-line);color:#41543b;background:#fff;border-radius:9px;max-width:100%;min-height:44px;padding:11px 36px 11px 13px}.grammar-student-choice select{min-width:220px}.grammar-overview{background:linear-gradient(115deg,#eaf0e2,#f0f3e9 62%,#efedf4);border:1px solid #e0e7d6;border-radius:17px;grid-template-columns:minmax(0,1.5fr) minmax(120px,.65fr) minmax(120px,.65fr);align-items:center;gap:25px;margin-bottom:32px;padding:29px;display:grid}.grammar-small-label{letter-spacing:1.1px;text-transform:uppercase;color:#718068;font-size:11px;font-weight:600;line-height:1.6}.grammar-overview h2{letter-spacing:-.5px;margin:7px 0 6px;font-size:23px;font-weight:550;line-height:1.4}.grammar-overview p{color:#69765e;max-width:360px;font-size:14px;line-height:1.8}.grammar-stat{border-left:1px solid #dbe3d0;padding-left:24px}.grammar-stat>strong{letter-spacing:-1px;font-size:35px;font-weight:550;line-height:1.4}.grammar-stat small{color:#7c8b6e;font-size:18px;font-weight:400}.grammar-stat>span{color:#617451;align-items:center;gap:6px;margin-top:5px;font-size:13px;display:flex}.grammar-stat-review>span{color:#8b743e}.grammar-revisit{margin-bottom:34px}.grammar-section-title{color:#8e753e;align-items:center;gap:10px;display:flex}.grammar-section-title h2{letter-spacing:-.3px;color:#43553e;font-size:20px;font-weight:550}.grammar-section-title>span{background:#f2e8ce;border-radius:6px;padding:1px 9px;font-size:12px}.grammar-revisit>p{color:#737b68;margin-top:7px;font-size:14px}.grammar-review-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:17px;display:grid}.grammar-review-card{text-align:left;border:1px solid #e9e3d4;border-left:5px solid var(--topic-color);color:#415139;background:#fffdf8;border-radius:11px;flex-direction:column;align-items:flex-start;gap:10px;padding:18px;display:flex;position:relative}.grammar-review-card:hover{box-shadow:0 5px 18px #314a2c0d}.grammar-review-card>strong{font-size:16px;font-weight:550;line-height:1.5}.grammar-review-card .grammar-card-status{color:#786337;margin-top:auto}.grammar-review-card .grammar-card-status svg:last-child{margin-left:auto}.grammar-level-badge{letter-spacing:.35px;color:#657556;background:#edf1e6;border:1px solid #e0e6d5;border-radius:5px;padding:4px 7px;font-size:11px;font-weight:600;line-height:1.3}.grammar-map-title{margin:0 0 20px}.grammar-map-title h2{letter-spacing:-.6px;font-size:23px;font-weight:550}.grammar-map-title p{color:#74806b;max-width:750px;margin-top:7px;font-size:13px;line-height:1.8}.grammar-filters{border:1px solid var(--grammar-line);background:#fff;border-radius:13px;flex-direction:column;gap:17px;padding:20px;display:flex}.grammar-level-tabs{flex-wrap:wrap;gap:7px;display:flex}.grammar-level-tabs button{color:#758267;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:8px;min-height:42px;padding:9px 17px;font-size:14px}.grammar-level-tabs button.active{color:#45613a;background:#eaf0df;border-color:#d6e0c7;font-weight:600}.grammar-level-tabs button:hover{background:#f0f3e9}.grammar-filter-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.grammar-category-filter select{min-width:200px;max-width:380px;font-size:14px}.grammar-check{cursor:pointer;color:#58694e;align-items:center;gap:9px;font-size:14px;line-height:1.5;display:inline-flex}.grammar-check input{accent-color:#61814f;cursor:pointer;flex-shrink:0;width:18px;height:18px}.grammar-legend{color:#7a846e;flex-wrap:wrap;gap:22px;padding:20px 3px;font-size:12px;display:flex}.grammar-legend>span{align-items:center;gap:7px;display:flex}.grammar-legend>span:nth-child(2){color:#56774d}.grammar-legend>span:nth-child(3){color:#9a7b3c}.grammar-level-list{flex-direction:column;gap:20px;display:flex}.grammar-level-section{border:1px solid var(--grammar-line);background:#fff;border-radius:14px;overflow:hidden}.grammar-level-section>summary{cursor:pointer;background:#fbfcf8;align-items:center;gap:15px;min-height:87px;padding:19px 23px;list-style:none;display:flex}.grammar-level-section>summary::-webkit-details-marker{display:none}.grammar-level-section>summary>svg{color:#8b997c;margin-left:auto;transition:transform .2s}.grammar-level-section:not([open])>summary>svg{transform:rotate(-90deg)}.grammar-level-marker{color:#637954;background:#edf1e5;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:47px;height:47px;font-size:19px;font-weight:600;display:flex}.grammar-level-section>summary h3{font-size:16px;font-weight:550}.grammar-level-section>summary p{color:#839075;margin-top:3px;font-size:12px}.grammar-level-body{border-top:1px solid #edf0e7;padding:0 23px 25px}.grammar-category-group{padding-top:22px}.grammar-category-group h4{color:#7c8971;margin-bottom:11px;font-size:12px;font-weight:550}.grammar-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.grammar-topic-card{text-align:left;border:1px solid #e4e8de;border-left:4px solid var(--topic-color);color:#506047;background:#fcfdf9;border-radius:9px;flex-direction:column;min-width:0;min-height:155px;padding:14px 15px;transition:box-shadow .15s,transform .15s;display:flex}.grammar-topic-card:hover{transform:translateY(-2px);box-shadow:0 5px 18px #314a2c0b}.grammar-topic-card.is-covered{background:#f7faf2}.grammar-topic-card.is-review{background:#fffdf7}.grammar-card-top{align-items:center;gap:8px;width:100%;margin-bottom:12px;display:flex}.grammar-card-top>svg{color:#91a184;margin-left:auto}.grammar-card-top .grammar-level-badge{padding:3px 6px;font-size:9px}.grammar-material-tag{color:#7b8e6b;align-items:center;gap:4px;font-size:10px;display:flex}.grammar-topic-card h5{overflow-wrap:anywhere;font-size:16px;font-weight:550;line-height:1.5}.grammar-english-title{color:#89937c;margin-top:4px;margin-bottom:12px;font-size:12px;line-height:1.6}.grammar-card-status{color:#8a9380;align-items:center;gap:6px;width:100%;margin-top:auto;padding-top:13px;font-size:12px;line-height:1.5;display:flex}.is-covered .grammar-card-status{color:#58734c}.is-review .grammar-card-status{color:#967538}.grammar-empty{text-align:center;color:#839276;background:#fbfcf8;border:1px dashed #d5deca;border-radius:13px;padding:42px 24px}.grammar-empty>svg{margin:0 auto 14px}.grammar-empty h2{color:#53664a;font-size:20px;font-weight:500}.grammar-empty p{max-width:470px;margin:10px auto 0;font-size:14px;line-height:1.8}.grammar-loading{color:#758565;justify-content:center;align-items:center;gap:12px;padding:90px 20px;font-size:15px;display:flex}.grammar-error{color:#9d5239;background:#fff3ed;border:1px solid #e8c8ba;border-radius:9px;padding:15px;font-size:14px;line-height:1.7}.grammar-error>.grammar-button{margin-top:12px}.grammar-spin{animation:1s linear infinite grammar-spin}@keyframes grammar-spin{to{transform:rotate(360deg)}}.grammar-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.grammar-backdrop{z-index:110;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#26372760;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.grammar-modal{color:#3f5239;overscroll-behavior:contain;background:#fff;border:1px solid #e1e6d9;border-radius:17px;outline:none;width:100%;max-width:670px;max-height:92dvh;font-size:15px;line-height:1.65;overflow:auto;box-shadow:0 24px 100px #20301c2a}.grammar-modal-header{border-bottom:1px solid #e5eadd;justify-content:space-between;align-items:flex-start;gap:18px;padding:27px 28px 22px;display:flex}.grammar-modal-header h2{letter-spacing:-.5px;overflow-wrap:anywhere;margin-top:7px;font-size:26px;font-weight:550;line-height:1.35}.grammar-modal-header p{color:#7e8972;margin-top:8px;font-size:14px}.grammar-icon-button{color:#7a8a6c;background:#f9fbf5;border:1px solid #e6ebdf;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;min-width:40px;min-height:40px;display:flex}.grammar-detail-intro{padding:24px 28px 0}.grammar-detail-intro>p{color:#6c7a60;font-size:15px;line-height:1.9}.grammar-detail-status{color:#667858;background:#fafcf6;border:1px solid;border-left-width:4px;border-radius:7px;align-items:center;gap:8px;margin-top:17px;padding:7px 11px;font-size:13px;display:inline-flex}.grammar-linked-lesson{background:#f2f5eb;border:1px solid #e0e7d5;border-radius:11px;flex-direction:column;align-items:flex-start;gap:12px;margin:24px 28px 0;padding:18px;display:flex}.grammar-linked-lesson>p{color:#617552;font-size:14px}.grammar-linked-lesson .grammar-button{width:100%}.grammar-student-detail{padding:24px 28px 30px}.grammar-student-detail h3{margin-bottom:8px;font-size:15px;font-weight:550}.grammar-student-detail section>p{white-space:pre-wrap;color:#6b7a5f;font-size:15px;line-height:1.9}.grammar-student-detail>.grammar-help{margin-top:20px}.grammar-detail-form{flex-direction:column;gap:20px;padding:25px 28px 28px;display:flex}.grammar-form-section-heading{justify-content:space-between;align-items:center;gap:12px;padding-top:4px;display:flex}.grammar-form-section-heading h3{font-size:16px;font-weight:550}.grammar-form-section-heading>span{color:#849276;font-size:13px}.grammar-form-section-heading>svg{color:#9aa88c}.grammar-status-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.grammar-status-options>.grammar-check{background:#f6f9f1;border:1px solid #e0e7d6;border-radius:10px;gap:8px;min-height:58px;padding:13px;font-size:14px}.grammar-status-options>.grammar-check:nth-child(2){background:#fdf9ee;border-color:#eee4cc}.grammar-colors{border:0;min-width:0;margin:0;padding:0}.grammar-colors>legend{color:#647757;margin-bottom:10px;font-size:14px;font-weight:550}.grammar-colors>div{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.grammar-auto-color{color:#7b8b6b;background:#f8faf4;border:1px solid #e0e6d8;border-radius:7px;min-height:37px;padding:8px 11px;font-size:12px!important}.grammar-auto-color.active{color:#526f42;border-color:#8da67b}.grammar-color-chip{color:#fff;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:35px;height:35px;display:flex;box-shadow:0 0 0 1px #e1e5da}.grammar-color-chip[aria-pressed=true]{box-shadow:0 0 0 2px #526c43}.grammar-hex-field{color:#7a8b6a;align-items:center;gap:12px;margin-top:12px;font-size:12px;display:flex}.grammar-hex-field input{color:#5b704d;background:#fcfdf9;border:1px solid #dfe6d6;border-radius:7px;max-width:120px;padding:7px 10px;font-family:ui-monospace,monospace;font-size:13px}.grammar-field{color:#637657;flex-direction:column;gap:8px;min-width:0;font-size:14px;display:flex}.grammar-field>span{font-weight:550}.grammar-field input,.grammar-field textarea,.grammar-field select{color:#485e3e;background:#fcfdf9;border:1px solid #dce4d1;border-radius:8px;width:100%;min-width:0;max-width:100%;min-height:44px;padding:11px 12px;font-size:14px}.grammar-field input::placeholder,.grammar-field textarea::placeholder{color:#a1ac94}.grammar-field textarea{resize:vertical;line-height:1.8}.grammar-field small{color:#8c9980;font-size:12px;line-height:1.7}.grammar-help{color:#879378;align-items:center;gap:7px;font-size:13px;line-height:1.8;display:flex}.grammar-reference-error{color:#92784b;background:#fefaf1;border:1px solid #e9dcc4;border-radius:8px;padding:13px;font-size:12px;line-height:1.8}.grammar-reference-error>p+p{color:#a58b65;margin-top:4px;font-size:11px}.grammar-text-button{color:#789260;text-align:left;text-underline-offset:3px;background:0 0;border:0;align-items:center;gap:7px;padding:5px 0;text-decoration:underline;display:inline-flex;font-size:13px!important}.grammar-form-footer{border-top:1px solid #e7ecdf;justify-content:space-between;align-items:center;gap:16px;margin-top:3px;padding-top:20px;display:flex}.grammar-form-grid{grid-template-columns:.6fr 1.4fr;gap:15px;display:grid}@media (min-width:1500px){.grammar-topic-grid,.grammar-review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grammar-heading h1{font-size:42px}}@media (max-width:1100px){.grammar-topic-grid,.grammar-review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grammar-overview{grid-template-columns:minmax(0,1.3fr) 1fr 1fr;gap:15px;padding:23px}.grammar-stat{padding-left:15px}.grammar-stat strong{font-size:29px}.grammar-stat>span{font-size:12px}.grammar-heading h1{font-size:34px}.grammar-heading p{font-size:14px}.grammar-heading>.grammar-button{max-width:160px;font-size:12px!important}.grammar-filter-row{align-items:flex-start}.grammar-check{font-size:13px}.grammar-overview h2{font-size:21px}}@media (max-width:760px){.grammar-heading{gap:15px;margin-bottom:22px}.grammar-heading h1{font-size:34px}.grammar-heading p{font-size:14px}.grammar-eyebrow{letter-spacing:1.1px;font-size:9px}.grammar-heading>.grammar-button{min-width:98px;max-width:130px;margin-top:25px;padding:10px;font-size:11px!important}.grammar-overview{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:27px;padding:22px}.grammar-overview-copy{grid-column:1/-1}.grammar-overview h2{font-size:23px}.grammar-overview p{max-width:100%;font-size:14px}.grammar-stat{border-top:1px solid #dce4d2;border-left:0;padding-top:13px;padding-left:0}.grammar-stat>span{font-size:13px}.grammar-stat strong{font-size:31px}.grammar-student-choice{flex-direction:column;align-items:stretch;gap:7px;font-size:13px}.grammar-student-choice select{width:100%;font-size:16px}.grammar-filters{padding:15px}.grammar-filter-row{flex-direction:column;gap:15px}.grammar-category-filter{width:100%}.grammar-category-filter select{width:100%;max-width:100%;font-size:16px}.grammar-level-tabs{gap:5px}.grammar-level-tabs button{padding:8px 13px;font-size:13px}.grammar-legend{gap:14px;font-size:11px}.grammar-level-section>summary{padding:16px}.grammar-level-body{padding:0 16px 19px}.grammar-topic-card{min-height:160px;padding:13px}.grammar-topic-card h5{font-size:15px}.grammar-english-title{font-size:11px}.grammar-card-status{gap:5px;font-size:11px}.grammar-category-group h4{font-size:12px}.grammar-topic-grid,.grammar-review-grid{gap:10px}.grammar-modal-header,.grammar-detail-form,.grammar-student-detail{padding:22px}.grammar-detail-intro{padding:22px 22px 0}.grammar-linked-lesson{margin:22px 22px 0}.grammar-backdrop{padding:15px}.grammar-modal{max-height:92dvh}.grammar-modal-header h2{font-size:24px}.grammar-field input,.grammar-field select,.grammar-field textarea{font-size:16px}.grammar-status-options>.grammar-check{font-size:13px}.grammar-form-grid{grid-template-columns:1fr}.grammar-hex-field input{max-width:135px;font-size:16px}}@media (max-width:440px){.grammar-heading{flex-wrap:wrap;gap:12px}.grammar-heading>.grammar-button{max-width:100%;min-height:42px;margin-top:0;padding:10px 13px;font-size:13px!important}.grammar-heading h1{font-size:32px}.grammar-heading p{font-size:14px}.grammar-topic-grid,.grammar-review-grid{grid-template-columns:1fr}.grammar-level-tabs{gap:4px}.grammar-level-tabs button{padding:8px 10px;font-size:12px}.grammar-level-tabs button:first-child{text-align:center;width:100%}.grammar-topic-card{min-height:145px}.grammar-topic-card h5{font-size:16px}.grammar-english-title,.grammar-card-status{font-size:12px}.grammar-legend{gap:8px 12px}.grammar-overview{gap:16px;padding:19px}.grammar-overview h2{font-size:21px}.grammar-stat small{font-size:16px}.grammar-stat>span{align-items:flex-start;font-size:12px}.grammar-map-title h2{font-size:22px}.grammar-section-title h2{font-size:20px}.grammar-level-section>summary h3{font-size:14px}.grammar-level-marker{width:42px;height:42px;font-size:18px}.grammar-backdrop{padding:8px}.grammar-modal{border-radius:12px;max-height:95dvh}.grammar-modal-header,.grammar-detail-form,.grammar-student-detail{padding:18px}.grammar-detail-intro{padding:19px 18px 0}.grammar-linked-lesson{margin:20px 18px 0;padding:14px}.grammar-modal-header h2{font-size:22px}.grammar-status-options{grid-template-columns:1fr}.grammar-form-footer{flex-wrap:wrap}.grammar-form-footer>.grammar-button{flex:1}.grammar-form-footer>.grammar-text-button{width:100%;margin-bottom:5px}.grammar-help{font-size:12px}.grammar-colors>div{gap:8px}.grammar-color-chip{width:32px;height:32px}.grammar-auto-color{padding:8px;font-size:11px!important}}@media (prefers-reduced-motion:reduce){.grammar-space *,.grammar-modal *{transition-duration:.01ms!important;animation-duration:.01ms!important}}.iv-space{--iv-ink:#344a39;--iv-muted:#6d7b67;--iv-line:#dfe6d8;--iv-sage:#edf2e6;color:var(--iv-ink);min-width:0;padding-bottom:24px;font-size:15px;line-height:1.65}.iv-space *{box-sizing:border-box}.iv-space h1,.iv-space h2,.iv-space p{margin:0}.iv-space button,.iv-space input{font:inherit}.iv-space button{cursor:pointer}.iv-space button:disabled{cursor:default;opacity:.58}.iv-space :focus-visible{outline-offset:4px;outline:3px solid #7f986b}.iv-space svg{flex-shrink:0}.iv-space button{touch-action:manipulation}.iv-eyebrow{letter-spacing:1.5px;color:#71845f;align-items:center;gap:9px;font-size:11px;font-weight:600;line-height:1.6;display:flex}.iv-heading h1{letter-spacing:-1.1px;margin:12px 0;font-size:37px;font-weight:600;line-height:1.2}.iv-heading h1>span{color:#9cb67e}.iv-heading>p{max-width:700px;color:var(--iv-muted);line-height:1.85}.iv-heading{margin-bottom:27px}.iv-intro{background:linear-gradient(115deg,#eaf0e2,#f3f5ed);border:1px solid #e0e7d6;border-radius:17px;grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);gap:36px;margin-bottom:26px;padding:27px 29px;display:grid}.iv-intro h2{letter-spacing:-.4px;margin:7px 0;font-size:23px;font-weight:550}.iv-intro p{color:#63735a;max-width:530px;font-size:14px;line-height:1.85}.iv-intro-note{color:#7c936b;border-left:1px solid #d8e2cc;align-items:center;gap:14px;padding-left:26px;display:flex}.iv-intro-note small{color:#7b886f;margin-top:8px;font-size:11px;display:block}.iv-toolbar{border:1px solid var(--iv-line);background:#fff;border-radius:13px;justify-content:space-between;align-items:center;gap:16px;padding:13px;display:flex}.iv-levels{flex-wrap:wrap;gap:5px;display:flex}.iv-levels button{color:#74816a;background:0 0;border:1px solid #0000;border-radius:9px;flex-direction:column;align-items:flex-start;min-height:59px;padding:9px 12px;display:flex}.iv-levels button strong{font-size:14px;font-weight:600}.iv-levels button span{letter-spacing:.15px;font-size:10px}.iv-levels button.active{color:#48613e;background:#eaf0df;border-color:#d7e1c9}.iv-levels button:hover{background:#f0f4e9}.iv-search{color:#8a987c;background:#fbfcf8;border:1px solid #e0e7d9;border-radius:9px;flex:1;align-items:center;gap:9px;min-width:170px;max-width:290px;min-height:46px;padding:0 12px;display:flex}.iv-search input{color:var(--iv-ink);background:0 0;border:0;outline:none;width:100%;min-width:0;min-height:44px;font-size:14px}.iv-search:focus-within{outline-offset:3px;outline:3px solid #7f986b}.iv-search input:focus-visible{outline:0}.iv-search input::placeholder{color:#8c9881}.iv-catalogue-note{color:#74816a;justify-content:space-between;gap:18px;padding:14px 3px 21px;font-size:12px;display:flex}.iv-catalogue-note>span{white-space:nowrap}.iv-groups{flex-direction:column;gap:18px;display:flex}.iv-group{border:1px solid var(--iv-line);background:#fff;border-radius:13px;min-width:0;overflow:hidden}.iv-group>summary{cursor:pointer;background:#fafcf6;align-items:center;gap:15px;min-height:94px;padding:20px 23px;list-style:none;display:flex}.iv-group>summary::-webkit-details-marker{display:none}.iv-group-number{color:#819371;letter-spacing:1px;background:#eff4e7;border:1px solid #dce5cf;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:12px;font-weight:600;display:flex}.iv-group summary h2{letter-spacing:-.3px;font-size:18px;font-weight:550;line-height:1.5}.iv-group summary p{color:#7b8871;margin-top:4px;font-size:12px;line-height:1.7}.iv-group summary>div{flex:1;min-width:0}.iv-group summary>svg{color:#8b9b7d;transition:transform .2s}.iv-group:not([open]) summary>svg{transform:rotate(-90deg)}.iv-group-count{color:#829276;text-align:center;background:#edf2e6;border:1px solid #e1e7d8;border-radius:6px;min-width:27px;padding:1px 7px;font-size:12px}.iv-group-body{border-top:1px solid #e6ebdf}.iv-table-wrap{max-width:100%;overflow:auto}.iv-space table{border-collapse:collapse;text-align:left;table-layout:fixed;width:100%}.iv-space th{color:#627554;vertical-align:top;background:#fff;border-bottom:1px solid #e8ede2;padding:15px 18px 12px;font-size:12px;font-weight:600}.iv-space th>span{color:#89967f;margin-top:2px;font-size:10px;font-weight:400;display:block}.iv-space td{vertical-align:top;border-bottom:1px solid #edf1e7;padding:7px 10px}.iv-space tr:last-child td{border-bottom:0}.iv-space td:last-child{color:#6b7a60;padding:16px 18px;font-size:13px}.iv-space th:nth-child(4){width:28%}.iv-form-audio{color:#3e583c;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;flex-direction:column;align-items:flex-start;gap:1px;min-width:44px;max-width:100%;min-height:54px;padding:6px 8px;line-height:1.6;display:flex}.iv-form-audio:hover:enabled{background:#edf3e5;border-color:#e0e8d5}.iv-form-audio:disabled{opacity:1}.iv-form-audio:disabled .iv-phonetic{color:#8c9684}.iv-form-audio:disabled .iv-phonetic>svg{opacity:.28}.iv-form-word{overflow-wrap:anywhere;font-size:16px;font-weight:550}.iv-phonetic{color:#7c8e6c;overflow-wrap:anywhere;align-items:center;gap:7px;font-size:12px;line-height:1.6;display:flex}.iv-verb-level{color:#8c9b80;vertical-align:middle;border:1px solid #e6ebdf;border-radius:4px;margin-left:7px;padding:0 4px;font-size:9px;display:inline-block}.iv-meaning>small{color:#819074;overflow-wrap:anywhere;margin-top:5px;font-size:10px;line-height:1.7;display:block}.iv-mobile-meaning{display:none}.iv-group-footer{background:#fcfdf9;border-top:1px solid #e8eddf;justify-content:space-between;align-items:center;gap:16px;padding:16px 22px;display:flex}.iv-group-footer>span{color:#849276;font-size:11px}.iv-button{color:#5b754a;text-align:center;background:#fff;border:1px solid #d7e1cd;border-radius:9px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:11px 17px;font-weight:550;line-height:1.5;display:inline-flex;font-size:13px!important}.iv-button:hover:enabled{background:#f0f4e9}.iv-primary{color:#fff;background:#405c44;border-color:#405c44}.iv-primary:hover:enabled{background:#304a35}.iv-bottom-note{color:#87947b;max-width:800px;font-size:11px;line-height:1.8;margin:23px 3px 0!important}.iv-alert{color:#7d6a41;background:#fffaf0;border:1px solid #e8dfc8;border-radius:9px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;padding:12px 15px;font-size:13px;display:flex}.iv-alert>button{color:#8b7849;background:0 0;border:0;justify-content:center;align-items:center;min-width:44px;min-height:44px;display:flex}.iv-error{color:#984d37;background:#fff4ef;border:1px solid #e8d0c1;border-radius:10px;padding:17px;font-size:14px;line-height:1.8}.iv-error>.iv-button{margin-top:12px}.iv-loading{color:#7a8a6c;justify-content:center;align-items:center;gap:13px;padding:75px 20px;display:flex}.iv-loading>svg{animation:1s linear infinite iv-spin}@keyframes iv-spin{to{transform:rotate(360deg)}}.iv-empty{text-align:center;color:#829373;background:#fbfcf7;border:1px dashed #d8e1cc;border-radius:13px;padding:44px 22px}.iv-empty>svg{margin:0 auto 14px}.iv-empty h2{color:#5a704d;font-size:20px;font-weight:500}.iv-empty p{margin:9px 0 19px;font-size:14px;line-height:1.8}.iv-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.iv-practice{outline:none}.iv-practice-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.iv-practice-header>span{color:#7a8a6b;text-align:right;font-size:13px}.iv-practice-progress{max-width:670px;margin:0 auto 17px}.iv-practice-progress>div{color:#7a8a6c;justify-content:space-between;align-items:center;gap:20px;font-size:13px;display:flex}.iv-practice-progress strong{color:#5d794b;font-size:16px;font-weight:550}.iv-practice-progress progress{-webkit-appearance:none;appearance:none;accent-color:#8da575;background:#e8eede;border:0;border-radius:99px;width:100%;height:6px;margin:10px 0;display:block;overflow:hidden}.iv-practice-progress progress::-webkit-progress-bar{background:#e8eede;border-radius:99px}.iv-practice-progress progress::-webkit-progress-value{background:#8da575;border-radius:99px}.iv-practice-progress progress::-moz-progress-bar{background:#8da575;border-radius:99px}.iv-practice-progress>p{color:#87947a;font-size:12px;line-height:1.8}.iv-preferences{flex-wrap:wrap;justify-content:flex-end;gap:18px;max-width:670px;margin:0 auto 22px;display:flex}.iv-preferences label{color:#819371;cursor:pointer;align-items:center;gap:6px;min-height:36px;font-size:11px;display:flex}.iv-preferences input{accent-color:#6c8a55;width:16px;height:16px;margin:0}.iv-question{border:1px solid var(--iv-line);background:#fff;border-radius:17px;max-width:670px;margin:0 auto;padding:35px}.iv-question>.iv-eyebrow{text-align:center;justify-content:center}.iv-question>h1{letter-spacing:-1px;text-align:center;margin:14px 0 5px;font-size:46px;font-weight:550;line-height:1.3}.iv-question>p{text-align:center;color:#7b8a6c;font-size:15px}.iv-question>.iv-form-audio{align-items:center;margin:10px auto 22px}.iv-question>.iv-form-audio .iv-form-word{display:none}.iv-answer-grid{grid-template-columns:1fr 1fr;gap:17px;display:grid}.iv-answer{color:#839176;flex-direction:column;gap:9px;min-width:0;font-size:12px;display:flex}.iv-answer>span:first-child{align-items:center;gap:8px;display:flex}.iv-answer strong{color:#597448;font-size:14px;font-weight:600}.iv-answer input{color:#3e5939;background:#fcfdf9;border:1px solid #dce5d1;border-radius:9px;width:100%;min-width:0;min-height:54px;padding:12px 14px;font-size:20px;line-height:1.4}.iv-answer input::placeholder{color:#a0ad94;font-size:14px}.iv-answer input:disabled{opacity:1;-webkit-text-fill-color:currentColor}.iv-answer.is-correct input{color:#3c632c;background:#f1f7ec;border:2px solid #749a5d;padding:11px 13px}.iv-answer.is-incorrect input{color:#914936;background:#fff3ef;border:2px solid #bb7765;padding:11px 13px}.iv-field-feedback{overflow-wrap:anywhere;align-items:flex-start;gap:5px;font-size:12px;line-height:1.7;display:flex}.iv-answer.is-correct .iv-field-feedback{color:#587c43}.iv-answer.is-incorrect .iv-field-feedback{color:#a15a45}.iv-field-feedback svg{margin-top:2px}.iv-check{width:100%;min-height:51px;margin-top:23px;display:flex}.iv-feedback{background:#f8fbf3;border:1px solid #e3e9da;border-radius:11px;margin-top:24px;padding:20px}.iv-feedback.is-incorrect{background:#fffaf6;border-color:#ecdccf}.iv-feedback h2{font-size:17px;font-weight:550;line-height:1.6}.iv-feedback.is-correct h2{color:#527740}.iv-feedback.is-incorrect h2{color:#975a43}.iv-revealed{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:13px -8px 11px;display:grid}.iv-revealed .iv-form-audio{padding:6px}.iv-feedback>p{color:#738265;margin:8px 0;font-size:13px;line-height:1.85}.iv-feedback>small{color:#8c947d;margin-top:10px;font-size:11px;line-height:1.8;display:block}.iv-feedback>.iv-button{width:100%;margin-top:18px}.iv-question>.iv-error{margin-top:18px;font-size:12px}.iv-question>.iv-alert{text-align:left;margin-top:18px;font-size:12px}.iv-summary{text-align:center;border:1px solid var(--iv-line);background:#fff;border-radius:17px;flex-direction:column;align-items:center;max-width:680px;margin:50px auto 0;padding:38px 30px;display:flex}.iv-summary>svg{color:#9bb582;margin-bottom:22px}.iv-summary>.iv-eyebrow{justify-content:center}.iv-summary h1{letter-spacing:-.7px;margin:9px 0 16px;font-size:30px;font-weight:550;line-height:1.4}.iv-summary>strong{color:#658052;font-size:19px;font-weight:550}.iv-summary>p{color:#819172;max-width:450px;margin-top:13px;font-size:14px;line-height:1.85}.iv-summary-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:11px;margin-top:26px;display:flex}.iv-summary-actions>.iv-button{min-height:50px}@media (max-width:1050px){.iv-toolbar{flex-direction:column;align-items:stretch}.iv-search{flex:initial;max-width:100%}.iv-levels{justify-content:space-between}.iv-levels button{flex:1}.iv-intro{gap:22px;padding:25px}.iv-intro-note{padding-left:20px}.iv-space th,.iv-space td:last-child{padding-left:12px;padding-right:12px}.iv-space td{padding-left:4px;padding-right:4px}.iv-group>summary{padding:18px}.iv-heading h1{font-size:33px}}@media (max-width:650px){.iv-heading h1{letter-spacing:-.8px;font-size:31px}.iv-heading>p{font-size:14px}.iv-heading{margin-bottom:22px}.iv-eyebrow{letter-spacing:1px;font-size:10px}.iv-intro{grid-template-columns:1fr;gap:20px;padding:22px}.iv-intro h2{font-size:22px}.iv-intro-note{border-top:1px solid #d8e2cc;border-left:0;align-items:flex-start;gap:12px;padding:16px 0 0}.iv-intro-note svg{margin-top:5px}.iv-intro p{font-size:13px}.iv-levels{gap:4px}.iv-levels button{padding:9px 7px}.iv-levels button span{font-size:9px}.iv-toolbar{gap:12px;padding:11px}.iv-search input{font-size:16px}.iv-catalogue-note{padding:13px 2px 18px;font-size:11px}.iv-catalogue-note>p{max-width:235px}.iv-group>summary{gap:10px;padding:16px 13px}.iv-group-number{border-radius:7px;width:33px;height:36px;font-size:10px}.iv-group summary h2{font-size:16px}.iv-group summary p{font-size:11px}.iv-group-count{min-width:24px;padding:1px 5px;font-size:10px}.iv-group summary>svg{width:16px}.iv-space th:nth-child(4),.iv-space td.iv-meaning{display:none}.iv-space th{padding:12px 9px;font-size:11px}.iv-space th>span{font-size:9px;line-height:1.6}.iv-space td,.iv-space td:nth-child(3){padding:6px 3px}.iv-form-audio{gap:1px;min-height:52px;padding:6px 5px}.iv-form-word{font-size:15px}.iv-phonetic{flex-wrap:wrap;gap:4px;font-size:10px}.iv-phonetic svg{width:11px}.iv-mobile-meaning{color:#8b987f;overflow-wrap:anywhere;padding:0 5px 5px;font-size:10px;line-height:1.6;display:block}.iv-group-footer{flex-direction:column;align-items:stretch;gap:11px;padding:15px}.iv-group-footer>.iv-button{width:100%}.iv-group-footer>span{text-align:center}.iv-bottom-note{font-size:10px}.iv-practice-header{align-items:flex-start;gap:12px;margin-bottom:24px}.iv-practice-header>.iv-button{min-width:145px;padding:10px 12px;font-size:12px!important}.iv-practice-header>span{padding-top:4px;font-size:11px;line-height:1.8}.iv-practice-progress>p{font-size:11px}.iv-preferences{margin-bottom:16px}.iv-question{border-radius:13px;padding:24px 18px}.iv-question>h1{font-size:40px}.iv-answer-grid{gap:12px}.iv-answer{font-size:10px}.iv-answer>span:first-child{flex-direction:column;align-items:flex-start;gap:2px}.iv-answer input{min-height:52px;padding:11px 10px;font-size:18px}.iv-answer input::placeholder{font-size:12px}.iv-answer.is-correct input,.iv-answer.is-incorrect input{padding:10px 9px}.iv-field-feedback{font-size:11px}.iv-feedback{padding:16px 12px}.iv-feedback h2{font-size:15px}.iv-feedback .iv-form-word{font-size:14px}.iv-feedback .iv-phonetic{font-size:10px}.iv-feedback .iv-form-audio{padding:6px 3px}.iv-revealed{gap:2px;margin-left:-3px;margin-right:-3px}.iv-summary{margin-top:25px;padding:30px 20px}.iv-summary h1{font-size:26px}.iv-summary>strong{font-size:17px}.iv-summary-actions{width:100%}.iv-summary-actions>.iv-button{width:100%;min-height:49px}.iv-summary>p{font-size:13px}}.iv-mixed-practice{justify-content:space-between;align-items:center;gap:18px;padding:18px 3px 4px;display:flex}.iv-mixed-practice>p{color:#74816a;font-size:13px;line-height:1.8}.iv-mixed-practice>.iv-button{flex-shrink:0;min-height:50px}@media (max-width:650px){.iv-mixed-practice{flex-direction:column;align-items:stretch;gap:11px;padding:17px 2px 4px}.iv-mixed-practice>p{font-size:12px}.iv-mixed-practice>.iv-button{width:100%}}@media (prefers-reduced-motion:reduce){.iv-space *{transition:none!important;animation:none!important}}.editor-backdrop{z-index:90;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#26331d60;justify-content:center;align-items:center;padding:25px;display:flex;position:fixed;inset:0}.editor-modal{background:var(--paper);width:min(100%,540px);max-height:91dvh;color:var(--ink);border:1px solid #e3e8d9;border-radius:20px;outline:none;overflow:auto;box-shadow:0 25px 90px #22371d25}.editor-modal.editor-wide{width:min(100%,1010px)}.editor-modal>header{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5;background:#fffffffa;justify-content:space-between;align-items:center;padding:22px 29px;display:flex;position:sticky;top:0}.editor-modal header h2{margin-top:4px;font-size:21px}.editor-modal>header .tiny-label{font-size:7px}.editor-body{flex-direction:column;gap:20px;padding:25px 29px;display:flex}.editor-body label{color:#7a8868;flex-direction:column;gap:7px;min-width:0;font-size:10px;font-weight:500;display:flex}.editor-body input:not([type=checkbox]):not([type=file]),.editor-body textarea,.editor-body select{box-sizing:border-box;color:#58654c;width:100%;font:inherit;background:#fcfdf9;border:1px solid #e1e7d6;border-radius:8px;padding:11px 12px;font-size:12px}.editor-body input::placeholder,.editor-body textarea::placeholder{color:#b1bba0}.editor-body textarea{resize:vertical;min-height:75px;line-height:1.7}.editor-body input[type=file][hidden]{display:none}.editor-body .btn{width:max-content;font-size:10px}.editor-body label.btn{color:#5d6d52;cursor:pointer;flex-direction:row;align-items:center;display:inline-flex}.editor-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;display:grid}.editor-metadata{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;display:grid}.editor-metadata>div{flex-direction:column;gap:17px;display:flex}.editor-assignment{background:#f8faf3;border:1px solid #ebefdf;border-radius:12px;padding:18px}.editor-assignment>img{object-fit:contain;mix-blend-mode:multiply;width:100%;height:136px}.editor-body fieldset{border:0;flex-direction:column;gap:7px;min-width:0;margin:0;padding:0;display:flex}.editor-body legend{color:#65774f;margin-bottom:12px;font-size:11px;font-weight:550}.editor-body .editor-check{color:#849374;flex-direction:row;align-items:center;gap:10px;padding:7px 0;font-size:11px;font-weight:400;display:flex}.editor-check input{accent-color:#819f64;width:14px;height:14px}.editor-check>small{margin-left:auto;font-size:8px}.editor-intro{align-items:center;gap:13px;margin-bottom:2px;display:flex}.editor-intro .soft-icon{width:35px;height:35px}.editor-intro>p{color:#9aa789;max-width:590px;font-size:10px;line-height:1.8}.editor-import{background:#f7f8f2;border:1px dashed #d9e1c9;border-radius:12px;padding:22px}.editor-import .section-heading{margin-bottom:14px}.editor-import .section-heading p{color:#9eaa8e;margin-top:7px;font-size:9px}.editor-import h3{font-size:13px}.editor-import textarea{background:#fff;min-height:140px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px}.editor-import .btn{margin-top:13px}.editor-import>small{color:#a5af96;margin-top:10px;font-size:8px;display:block}.editor-cards-heading{margin:2px 0 -9px}.editor-cards-heading h3{font-size:14px}.editor-cards-heading h3>span{color:#849971;background:#edf2e3;border-radius:5px;margin-left:7px;padding:3px 7px;font-size:9px;font-weight:400}.editor-cards details{background:#fff;border:1px solid #e7ecdd;border-radius:10px;margin:10px 0;overflow:hidden}.editor-cards summary{cursor:pointer;align-items:center;gap:13px;padding:13px 15px;list-style:none;display:flex}.editor-cards summary::-webkit-details-marker{display:none}.editor-cards summary:before{content:"›";color:#b0bea0;font-size:19px;transition:transform .2s}.editor-cards details[open]>summary:before{transform:rotate(90deg)}.editor-cards summary .card-index{color:#b3bea3;font-size:8px}.editor-cards summary>b{font-size:12px;font-weight:550}.editor-cards summary>small{color:#a8b394;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:10px;overflow:hidden}.editor-cards summary>button{margin-left:auto}.editor-cards .icon-btn{width:27px;height:27px}.editor-card-content{border-top:1px solid #eff2e6;grid-template-columns:minmax(0,1fr) 210px;gap:24px;padding:20px;display:grid}.editor-card-fields{flex-direction:column;gap:14px;display:flex}.editor-card-fields>.text-btn{margin-top:7px}.editor-card-fields textarea{min-height:63px}.editor-card-picture{flex-direction:column;gap:13px;display:flex}.editor-card-picture>img,.picture-placeholder{aspect-ratio:1.35;object-fit:cover;background:#f6f8ef;border:1px solid #e8ecdf;border-radius:10px;width:100%}.picture-placeholder{color:#bbc8a8;justify-content:center;align-items:center;display:flex}.editor-card-picture>small{color:#a9b497;overflow-wrap:anywhere;font-size:8px}.editor-card-picture label{font-size:8px}.editor-card-picture input{padding:9px!important;font-size:9px!important}.editor-card-picture>.text-btn{font-size:8px}.editor-card-picture>.btn{justify-content:center;width:100%;font-size:9px}.editor-notice{color:#8ba171;background:#f1f6e8;border:1px solid #e4edd7;border-radius:8px;align-items:center;gap:8px;padding:11px 14px;font-size:10px;line-height:1.6;display:flex}.editor-error{color:#b1825c;background:#fcf0e9;border:1px solid #f3dfd1;border-radius:9px;margin:0;padding:12px 15px;font-size:11px;line-height:1.7}.editor-empty{text-align:center;color:#acb69d;padding:15px;font-size:11px;line-height:1.8}.editor-footer{border-top:1px solid var(--line);justify-content:flex-end;align-items:flex-end;gap:12px;margin-top:6px;padding-top:20px;display:flex}.editor-footer>.editor-status{max-width:330px;margin-right:auto}.editor-status select{padding:9px;font-size:10px}.editor-footer .btn{min-height:38px}.editor-student-form{flex-direction:column;gap:19px;display:flex}.editor-student-form>footer{border-top:1px solid var(--line);justify-content:flex-end;gap:12px;margin-top:5px;padding-top:22px;display:flex}.editor-subtitle{color:#a4af96;margin-bottom:5px;font-size:11px;line-height:1.8}.editor-credentials{text-align:center;flex-direction:column;align-items:center;gap:18px;padding:13px 15px;display:flex}.editor-credentials>h3{letter-spacing:-.5px;font-size:21px}.editor-credentials>p{color:#9ba88a;max-width:300px;font-size:11px;line-height:1.8}.editor-credentials>div{text-align:left;background:#f4f8eb;border:1px solid #e3ebd4;border-radius:12px;flex-direction:column;gap:8px;width:100%;padding:18px 24px;display:flex}.editor-credentials>div>span{color:#a1ae8e;font-size:9px}.editor-credentials>div>b{-webkit-user-select:all;user-select:all;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,monospace;font-size:15px;font-weight:500}.editor-credentials>div>b+span{margin-top:8px}.editor-audio{background:#f7f9f0;border:1px solid #e7eddc;border-radius:12px;flex-direction:column;gap:14px;padding:18px;display:flex}.editor-audio>h3{color:#7e9366;align-items:center;gap:8px;font-size:12px;display:flex}.editor-audio>p{color:#a1b08d;font-size:10px;line-height:1.7}.editor-audio>audio{width:100%;height:37px}.editor-body .text-btn:disabled{opacity:.4}.editor-body .caption{margin-top:0;font-size:9px}@media (max-width:760px){.editor-backdrop{padding:12px}.editor-modal{border-radius:15px;max-height:94dvh}.editor-modal>header{padding:18px 20px}.editor-modal header h2{font-size:19px}.editor-body{gap:18px;padding:20px}.editor-body input:not([type=checkbox]):not([type=file]),.editor-body textarea,.editor-body select{font-size:16px}.editor-body label{font-size:11px}.editor-metadata{grid-template-columns:1fr;gap:20px}.editor-assignment>img{height:100px}.editor-metadata .editor-assignment{gap:13px}.editor-card-content{grid-template-columns:1fr}.editor-card-picture{grid-template-columns:120px 1fr;align-items:start;gap:12px;display:grid}.editor-card-picture>img,.picture-placeholder{aspect-ratio:1.1;grid-row:span 3}.editor-card-picture>label:first-of-type{grid-column:2}.editor-card-picture>label{grid-column:2;font-size:10px}.editor-card-picture>label input{font-size:13px!important}.editor-card-picture>.text-btn,.editor-card-picture>.btn{font-size:10px}.editor-footer{flex-wrap:wrap}.editor-footer>.editor-status{flex-basis:100%;width:100%;max-width:none}.editor-import{padding:17px}.editor-import textarea{min-height:160px;font-size:12px}.editor-cards summary{gap:8px;padding:11px}.editor-cards summary>small{font-size:9px}.editor-cards summary>b{font-size:11px}.editor-intro>p,.editor-import .section-heading p{font-size:10px}.editor-body .btn{font-size:11px}.editor-modal .editor-grid{grid-template-columns:1fr 1fr}.editor-check{font-size:12px!important}.editor-check input{width:17px;height:17px}.editor-student-form .editor-grid{grid-template-columns:1fr}.editor-student-form .btn{font-size:12px}.editor-audio>p{font-size:11px}}@media (max-width:440px){.editor-modal{max-height:96dvh}.editor-backdrop{padding:7px}.editor-body{padding:18px}.editor-modal>header{padding:17px 18px}.editor-modal .editor-grid{grid-template-columns:1fr}.editor-card-content{padding:15px}.editor-cards summary>small{max-width:100px}.editor-card-picture{grid-template-columns:100px 1fr}.editor-import .section-heading h3{font-size:13px}.editor-footer .btn{flex:1}.editor-body .caption{font-size:10px}}.student-access{background:#fff;border:1px solid #e5eadc;border-radius:13px;flex-direction:column;gap:16px;padding:20px;display:flex}.student-access>header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.student-access>header>svg{color:#8b9b76;flex:none;margin-top:7px}.student-access>header h3{margin:4px 0;font-size:15px}.student-access>header p{color:#98a38a;max-width:560px;font-size:10px;line-height:1.65}.student-access-levels{flex-wrap:wrap;gap:7px;display:flex}.student-access-levels button{color:#7d896f;background:#fff;border:1px solid #e4e9dc;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:54px;min-height:38px;padding:6px 10px;font-size:10px;display:flex}.student-access-levels button.active{color:#536b42;background:#edf3e4;border-color:#cddbbd}.student-access-levels button small{color:#97a487;font-size:8px}.student-access-group{flex-direction:column;gap:6px;display:flex}.student-access-group h4{color:#839271;margin:2px 0;font-size:10px;font-weight:600}.student-access-row{cursor:pointer;border:1px solid #edf0e8;border-radius:9px;align-items:center;gap:11px;min-height:52px;padding:8px 10px;display:flex}.student-access-row:has(input:disabled){cursor:default}.student-access-row>input{accent-color:#718d59;flex:none;width:17px;height:17px}.student-access-copy{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.student-access-copy>b{color:#53634a;overflow-wrap:anywhere;font-size:11px}.student-access-copy>small{color:#a0aa94;font-size:9px}.student-access-state{color:#a0a994;white-space:nowrap;align-items:center;gap:5px;font-size:9px;display:flex}.student-access-state.is-open{color:#66894d}.student-access-fixed{color:#98a88a;flex:none}.student-access-empty{color:#9aa58d;background:#f7f8f3;border-radius:9px;padding:13px;font-size:10px;line-height:1.7}.student-access-error{color:#a97055;background:#fcf0e9;border-radius:8px;padding:10px 12px;font-size:10px;line-height:1.6}.student-access-sr{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:760px){.student-access{padding:16px}.student-access-levels{grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.student-access-levels button{flex-direction:column;gap:2px;min-width:0;min-height:44px;padding:5px 3px}.student-access-row{gap:9px;min-height:58px;padding:8px}.student-access-state{font-size:0}.student-access-state svg{width:17px;height:17px}}